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the_stack_data/31388900.c | /* stbi-1.33 - public domain JPEG/PNG reader - http://nothings.org/stb_image.c
when you control the images you're loading
no warranty implied; use at your own risk
QUICK NOTES:
Primarily of interest to game developers and other people who can
avoid problematic images and only need the trivial interface
JPEG baseline (no JPEG progressive)
PNG 8-bit-per-channel only
TGA (not sure what subset, if a subset)
BMP non-1bpp, non-RLE
PSD (composited view only, no extra channels)
GIF (*comp always reports as 4-channel)
HDR (radiance rgbE format)
PIC (Softimage PIC)
- decode from memory or through FILE (define STBI_NO_STDIO to remove code)
- decode from arbitrary I/O callbacks
- overridable dequantizing-IDCT, YCbCr-to-RGB conversion (define STBI_SIMD)
Latest revisions:
1.33 (2011-07-14) minor fixes suggested by Dave Moore
1.32 (2011-07-13) info support for all filetypes (SpartanJ)
1.31 (2011-06-19) a few more leak fixes, bug in PNG handling (SpartanJ)
1.30 (2011-06-11) added ability to load files via io callbacks (Ben Wenger)
1.29 (2010-08-16) various warning fixes from Aurelien Pocheville
1.28 (2010-08-01) fix bug in GIF palette transparency (SpartanJ)
1.27 (2010-08-01) cast-to-uint8 to fix warnings (Laurent Gomila)
allow trailing 0s at end of image data (Laurent Gomila)
1.26 (2010-07-24) fix bug in file buffering for PNG reported by SpartanJ
See end of file for full revision history.
TODO:
stbi_info support for BMP,PSD,HDR,PIC
============================ Contributors =========================
Image formats Optimizations & bugfixes
Sean Barrett (jpeg, png, bmp) Fabian "ryg" Giesen
Nicolas Schulz (hdr, psd)
Jonathan Dummer (tga) Bug fixes & warning fixes
Jean-Marc Lienher (gif) Marc LeBlanc
Tom Seddon (pic) Christpher Lloyd
Thatcher Ulrich (psd) Dave Moore
Won Chun
the Horde3D community
Extensions, features Janez Zemva
Jetro Lauha (stbi_info) Jonathan Blow
James "moose2000" Brown (iPhone PNG) Laurent Gomila
Ben "Disch" Wenger (io callbacks) Aruelien Pocheville
Martin "SpartanJ" Golini Ryamond Barbiero
David Woo
If your name should be here but isn't, let Sean know.
*/
#ifndef STBI_INCLUDE_STB_IMAGE_H
#define STBI_INCLUDE_STB_IMAGE_H
// To get a header file for this, either cut and paste the header,
// or create stb_image.h, #define STBI_HEADER_FILE_ONLY, and
// then include stb_image.c from it.
//// begin header file ////////////////////////////////////////////////////
//
// Limitations:
// - no jpeg progressive support
// - non-HDR formats support 8-bit samples only (jpeg, png)
// - no delayed line count (jpeg) -- IJG doesn't support either
// - no 1-bit BMP
// - GIF always returns *comp=4
//
// Basic usage (see HDR discussion below):
// int x,y,n;
// unsigned char *data = stbi_load(filename, &x, &y, &n, 0);
// // ... process data if not NULL ...
// // ... x = width, y = height, n = # 8-bit components per pixel ...
// // ... replace '0' with '1'..'4' to force that many components per pixel
// // ... but 'n' will always be the number that it would have been if you said 0
// stbi_image_free(data)
//
// Standard parameters:
// int *x -- outputs image width in pixels
// int *y -- outputs image height in pixels
// int *comp -- outputs # of image components in image file
// int req_comp -- if non-zero, # of image components requested in result
//
// The return value from an image loader is an 'unsigned char *' which points
// to the pixel data. The pixel data consists of *y scanlines of *x pixels,
// with each pixel consisting of N interleaved 8-bit components; the first
// pixel pointed to is top-left-most in the image. There is no padding between
// image scanlines or between pixels, regardless of format. The number of
// components N is 'req_comp' if req_comp is non-zero, or *comp otherwise.
// If req_comp is non-zero, *comp has the number of components that _would_
// have been output otherwise. E.g. if you set req_comp to 4, you will always
// get RGBA output, but you can check *comp to easily see if it's opaque.
//
// An output image with N components has the following components interleaved
// in this order in each pixel:
//
// N=#comp components
// 1 grey
// 2 grey, alpha
// 3 red, green, blue
// 4 red, green, blue, alpha
//
// If image loading fails for any reason, the return value will be NULL,
// and *x, *y, *comp will be unchanged. The function stbi_failure_reason()
// can be queried for an extremely brief, end-user unfriendly explanation
// of why the load failed. Define STBI_NO_FAILURE_STRINGS to avoid
// compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly
// more user-friendly ones.
//
// Paletted PNG, BMP, GIF, and PIC images are automatically depalettized.
//
// ===========================================================================
//
// iPhone PNG support:
//
// By default we convert iphone-formatted PNGs back to RGB; nominally they
// would silently load as BGR, except the existing code should have just
// failed on such iPhone PNGs. But you can disable this conversion by
// by calling stbi_convert_iphone_png_to_rgb(0), in which case
// you will always just get the native iphone "format" through.
//
// Call stbi_set_unpremultiply_on_load(1) as well to force a divide per
// pixel to remove any premultiplied alpha *only* if the image file explicitly
// says there's premultiplied data (currently only happens in iPhone images,
// and only if iPhone convert-to-rgb processing is on).
//
// ===========================================================================
//
// HDR image support (disable by defining STBI_NO_HDR)
//
// stb_image now supports loading HDR images in general, and currently
// the Radiance .HDR file format, although the support is provided
// generically. You can still load any file through the existing interface;
// if you attempt to load an HDR file, it will be automatically remapped to
// LDR, assuming gamma 2.2 and an arbitrary scale factor defaulting to 1;
// both of these constants can be reconfigured through this interface:
//
// stbi_hdr_to_ldr_gamma(2.2f);
// stbi_hdr_to_ldr_scale(1.0f);
//
// (note, do not use _inverse_ constants; stbi_image will invert them
// appropriately).
//
// Additionally, there is a new, parallel interface for loading files as
// (linear) floats to preserve the full dynamic range:
//
// float *data = stbi_loadf(filename, &x, &y, &n, 0);
//
// If you load LDR images through this interface, those images will
// be promoted to floating point values, run through the inverse of
// constants corresponding to the above:
//
// stbi_ldr_to_hdr_scale(1.0f);
// stbi_ldr_to_hdr_gamma(2.2f);
//
// Finally, given a filename (or an open file or memory block--see header
// file for details) containing image data, you can query for the "most
// appropriate" interface to use (that is, whether the image is HDR or
// not), using:
//
// stbi_is_hdr(char *filename);
//
// ===========================================================================
//
// I/O callbacks
//
// I/O callbacks allow you to read from arbitrary sources, like packaged
// files or some other source. Data read from callbacks are processed
// through a small internal buffer (currently 128 bytes) to try to reduce
// overhead.
//
// The three functions you must define are "read" (reads some bytes of data),
// "skip" (skips some bytes of data), "eof" (reports if the stream is at the end).
#ifndef STBI_NO_STDIO
#if defined(_MSC_VER) && _MSC_VER >= 0x1400
#define _CRT_SECURE_NO_WARNINGS // suppress bogus warnings about fopen()
#endif
#include <stdio.h>
#endif
#define STBI_VERSION 1
enum
{
STBI_default = 0, // only used for req_comp
STBI_grey = 1,
STBI_grey_alpha = 2,
STBI_rgb = 3,
STBI_rgb_alpha = 4
};
typedef unsigned char stbi_uc;
#ifdef __cplusplus
extern "C" {
#endif
//////////////////////////////////////////////////////////////////////////////
//
// PRIMARY API - works on images of any type
//
//
// load image by filename, open file, or memory buffer
//
extern stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern stbi_uc *stbi_load (char const *filename, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
// for stbi_load_from_file, file pointer is left pointing immediately after image
#endif
typedef struct
{
int (*read) (void *user,char *data,int size); // fill 'data' with 'size' bytes. return number of bytes actually read
void (*skip) (void *user,unsigned n); // skip the next 'n' bytes
int (*eof) (void *user); // returns nonzero if we are at end of file/data
} stbi_io_callbacks;
extern stbi_uc *stbi_load_from_callbacks (stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_HDR
extern float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern float *stbi_loadf (char const *filename, int *x, int *y, int *comp, int req_comp);
extern float *stbi_loadf_from_file (FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
extern float *stbi_loadf_from_callbacks (stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp);
extern void stbi_hdr_to_ldr_gamma(float gamma);
extern void stbi_hdr_to_ldr_scale(float scale);
extern void stbi_ldr_to_hdr_gamma(float gamma);
extern void stbi_ldr_to_hdr_scale(float scale);
#endif // STBI_NO_HDR
// stbi_is_hdr is always defined
extern int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user);
extern int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len);
#ifndef STBI_NO_STDIO
extern int stbi_is_hdr (char const *filename);
extern int stbi_is_hdr_from_file(FILE *f);
#endif // STBI_NO_STDIO
// get a VERY brief reason for failure
// NOT THREADSAFE
extern const char *stbi_failure_reason (void);
// free the loaded image -- this is just free()
extern void stbi_image_free (void *retval_from_stbi_load);
// get image dimensions & components without fully decoding
extern int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp);
extern int stbi_info_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp);
#ifndef STBI_NO_STDIO
extern int stbi_info (char const *filename, int *x, int *y, int *comp);
extern int stbi_info_from_file (FILE *f, int *x, int *y, int *comp);
#endif
// for image formats that explicitly notate that they have premultiplied alpha,
// we just return the colors as stored in the file. set this flag to force
// unpremultiplication. results are undefined if the unpremultiply overflow.
extern void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply);
// indicate whether we should process iphone images back to canonical format,
// or just pass them through "as-is"
extern void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert);
// ZLIB client - used by PNG, available for other purposes
extern char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen);
extern char *stbi_zlib_decode_malloc(const char *buffer, int len, int *outlen);
extern int stbi_zlib_decode_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);
extern char *stbi_zlib_decode_noheader_malloc(const char *buffer, int len, int *outlen);
extern int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);
// define faster low-level operations (typically SIMD support)
#ifdef STBI_SIMD
typedef void (*stbi_idct_8x8)(stbi_uc *out, int out_stride, short data[64], unsigned short *dequantize);
// compute an integer IDCT on "input"
// input[x] = data[x] * dequantize[x]
// write results to 'out': 64 samples, each run of 8 spaced by 'out_stride'
// CLAMP results to 0..255
typedef void (*stbi_YCbCr_to_RGB_run)(stbi_uc *output, stbi_uc const *y, stbi_uc const *cb, stbi_uc const *cr, int count, int step);
// compute a conversion from YCbCr to RGB
// 'count' pixels
// write pixels to 'output'; each pixel is 'step' bytes (either 3 or 4; if 4, write '255' as 4th), order R,G,B
// y: Y input channel
// cb: Cb input channel; scale/biased to be 0..255
// cr: Cr input channel; scale/biased to be 0..255
extern void stbi_install_idct(stbi_idct_8x8 func);
extern void stbi_install_YCbCr_to_RGB(stbi_YCbCr_to_RGB_run func);
#endif // STBI_SIMD
#ifdef __cplusplus
}
#endif
//
//
//// end header file /////////////////////////////////////////////////////
#endif // STBI_INCLUDE_STB_IMAGE_H
#ifndef STBI_HEADER_FILE_ONLY
#ifndef STBI_NO_HDR
#include <math.h> // ldexp
#include <string.h> // strcmp, strtok
#endif
#ifndef STBI_NO_STDIO
#include <stdio.h>
#endif
#include <stdlib.h>
#include <memory.h>
#include <assert.h>
#include <stdarg.h>
#ifndef _MSC_VER
#ifdef __cplusplus
#define stbi_inline inline
#else
#define stbi_inline
#endif
#else
#define stbi_inline __forceinline
#endif
// implementation:
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef signed short int16;
typedef unsigned int uint32;
typedef signed int int32;
typedef unsigned int uint;
// should produce compiler error if size is wrong
typedef unsigned char validate_uint32[sizeof(uint32)==4 ? 1 : -1];
#if defined(STBI_NO_STDIO) && !defined(STBI_NO_WRITE)
#define STBI_NO_WRITE
#endif
#define STBI_NOTUSED(v) (void)sizeof(v)
#ifdef _MSC_VER
#define STBI_HAS_LROTL
#endif
#ifdef STBI_HAS_LROTL
#define stbi_lrot(x,y) _lrotl(x,y)
#else
#define stbi_lrot(x,y) (((x) << (y)) | ((x) >> (32 - (y))))
#endif
///////////////////////////////////////////////
//
// stbi struct and start_xxx functions
// stbi structure is our basic context used by all images, so it
// contains all the IO context, plus some basic image information
typedef struct
{
uint32 img_x, img_y;
int img_n, img_out_n;
stbi_io_callbacks io;
void *io_user_data;
int read_from_callbacks;
int buflen;
uint8 buffer_start[128];
uint8 *img_buffer, *img_buffer_end;
uint8 *img_buffer_original;
} stbi;
static void refill_buffer(stbi *s);
// initialize a memory-decode context
static void start_mem(stbi *s, uint8 const *buffer, int len)
{
s->io.read = NULL;
s->read_from_callbacks = 0;
s->img_buffer = s->img_buffer_original = (uint8 *) buffer;
s->img_buffer_end = (uint8 *) buffer+len;
}
// initialize a callback-based context
static void start_callbacks(stbi *s, stbi_io_callbacks *c, void *user)
{
s->io = *c;
s->io_user_data = user;
s->buflen = sizeof(s->buffer_start);
s->read_from_callbacks = 1;
s->img_buffer_original = s->buffer_start;
refill_buffer(s);
}
#ifndef STBI_NO_STDIO
static int stdio_read(void *user, char *data, int size)
{
return (int) fread(data,1,size,(FILE*) user);
}
static void stdio_skip(void *user, unsigned n)
{
fseek((FILE*) user, n, SEEK_CUR);
}
static int stdio_eof(void *user)
{
return feof((FILE*) user);
}
static stbi_io_callbacks stbi_stdio_callbacks =
{
stdio_read,
stdio_skip,
stdio_eof,
};
static void start_file(stbi *s, FILE *f)
{
start_callbacks(s, &stbi_stdio_callbacks, (void *) f);
}
//static void stop_file(stbi *s) { }
#endif // !STBI_NO_STDIO
static void stbi_rewind(stbi *s)
{
// conceptually rewind SHOULD rewind to the beginning of the stream,
// but we just rewind to the beginning of the initial buffer, because
// we only use it after doing 'test', which only ever looks at at most 92 bytes
s->img_buffer = s->img_buffer_original;
}
static int stbi_jpeg_test(stbi *s);
static stbi_uc *stbi_jpeg_load(stbi *s, int *x, int *y, int *comp, int req_comp);
static int stbi_jpeg_info(stbi *s, int *x, int *y, int *comp);
static int stbi_png_test(stbi *s);
static stbi_uc *stbi_png_load(stbi *s, int *x, int *y, int *comp, int req_comp);
static int stbi_png_info(stbi *s, int *x, int *y, int *comp);
static int stbi_bmp_test(stbi *s);
static stbi_uc *stbi_bmp_load(stbi *s, int *x, int *y, int *comp, int req_comp);
static int stbi_tga_test(stbi *s);
static stbi_uc *stbi_tga_load(stbi *s, int *x, int *y, int *comp, int req_comp);
static int stbi_tga_info(stbi *s, int *x, int *y, int *comp);
static int stbi_psd_test(stbi *s);
static stbi_uc *stbi_psd_load(stbi *s, int *x, int *y, int *comp, int req_comp);
static int stbi_hdr_test(stbi *s);
static float *stbi_hdr_load(stbi *s, int *x, int *y, int *comp, int req_comp);
static int stbi_pic_test(stbi *s);
static stbi_uc *stbi_pic_load(stbi *s, int *x, int *y, int *comp, int req_comp);
static int stbi_gif_test(stbi *s);
static stbi_uc *stbi_gif_load(stbi *s, int *x, int *y, int *comp, int req_comp);
static int stbi_gif_info(stbi *s, int *x, int *y, int *comp);
// this is not threadsafe
static const char *failure_reason;
const char *stbi_failure_reason(void)
{
return failure_reason;
}
static int e(const char *str)
{
failure_reason = str;
return 0;
}
// e - error
// epf - error returning pointer to float
// epuc - error returning pointer to unsigned char
#ifdef STBI_NO_FAILURE_STRINGS
#define e(x,y) 0
#elif defined(STBI_FAILURE_USERMSG)
#define e(x,y) e(y)
#else
#define e(x,y) e(x)
#endif
#define epf(x,y) ((float *) (e(x,y)?NULL:NULL))
#define epuc(x,y) ((unsigned char *) (e(x,y)?NULL:NULL))
void stbi_image_free(void *retval_from_stbi_load)
{
free(retval_from_stbi_load);
}
#ifndef STBI_NO_HDR
static float *ldr_to_hdr(stbi_uc *data, int x, int y, int comp);
static stbi_uc *hdr_to_ldr(float *data, int x, int y, int comp);
#endif
static unsigned char *stbi_load_main(stbi *s, int *x, int *y, int *comp, int req_comp)
{
if (stbi_jpeg_test(s)) return stbi_jpeg_load(s,x,y,comp,req_comp);
if (stbi_png_test(s)) return stbi_png_load(s,x,y,comp,req_comp);
if (stbi_bmp_test(s)) return stbi_bmp_load(s,x,y,comp,req_comp);
if (stbi_gif_test(s)) return stbi_gif_load(s,x,y,comp,req_comp);
if (stbi_psd_test(s)) return stbi_psd_load(s,x,y,comp,req_comp);
if (stbi_pic_test(s)) return stbi_pic_load(s,x,y,comp,req_comp);
#ifndef STBI_NO_HDR
if (stbi_hdr_test(s)) {
float *hdr = stbi_hdr_load(s, x,y,comp,req_comp);
return hdr_to_ldr(hdr, *x, *y, req_comp ? req_comp : *comp);
}
#endif
// test tga last because it's a crappy test!
if (stbi_tga_test(s))
return stbi_tga_load(s,x,y,comp,req_comp);
return epuc("unknown image type", "Image not of any known type, or corrupt");
}
#ifndef STBI_NO_STDIO
unsigned char *stbi_load(char const *filename, int *x, int *y, int *comp, int req_comp)
{
FILE *f = fopen(filename, "rb");
unsigned char *result;
if (!f) return epuc("can't fopen", "Unable to open file");
result = stbi_load_from_file(f,x,y,comp,req_comp);
fclose(f);
return result;
}
unsigned char *stbi_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp)
{
stbi s;
start_file(&s,f);
return stbi_load_main(&s,x,y,comp,req_comp);
}
#endif //!STBI_NO_STDIO
unsigned char *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp)
{
stbi s;
start_mem(&s,buffer,len);
return stbi_load_main(&s,x,y,comp,req_comp);
}
unsigned char *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp)
{
stbi s;
start_callbacks(&s, (stbi_io_callbacks *) clbk, user);
return stbi_load_main(&s,x,y,comp,req_comp);
}
#ifndef STBI_NO_HDR
float *stbi_loadf_main(stbi *s, int *x, int *y, int *comp, int req_comp)
{
unsigned char *data;
#ifndef STBI_NO_HDR
if (stbi_hdr_test(s))
return stbi_hdr_load(s,x,y,comp,req_comp);
#endif
data = stbi_load_main(s, x, y, comp, req_comp);
if (data)
return ldr_to_hdr(data, *x, *y, req_comp ? req_comp : *comp);
return epf("unknown image type", "Image not of any known type, or corrupt");
}
float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp)
{
stbi s;
start_mem(&s,buffer,len);
return stbi_loadf_main(&s,x,y,comp,req_comp);
}
float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp)
{
stbi s;
start_callbacks(&s, (stbi_io_callbacks *) clbk, user);
return stbi_loadf_main(&s,x,y,comp,req_comp);
}
#ifndef STBI_NO_STDIO
float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp)
{
FILE *f = fopen(filename, "rb");
float *result;
if (!f) return epf("can't fopen", "Unable to open file");
result = stbi_loadf_from_file(f,x,y,comp,req_comp);
fclose(f);
return result;
}
float *stbi_loadf_from_file(FILE *f, int *x, int *y, int *comp, int req_comp)
{
stbi s;
start_file(&s,f);
return stbi_loadf_main(&s,x,y,comp,req_comp);
}
#endif // !STBI_NO_STDIO
#endif // !STBI_NO_HDR
// these is-hdr-or-not is defined independent of whether STBI_NO_HDR is
// defined, for API simplicity; if STBI_NO_HDR is defined, it always
// reports false!
int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len)
{
#ifndef STBI_NO_HDR
stbi s;
start_mem(&s,buffer,len);
return stbi_hdr_test(&s);
#else
STBI_NOTUSED(buffer);
STBI_NOTUSED(len);
return 0;
#endif
}
#ifndef STBI_NO_STDIO
extern int stbi_is_hdr (char const *filename)
{
FILE *f = fopen(filename, "rb");
int result=0;
if (f) {
result = stbi_is_hdr_from_file(f);
fclose(f);
}
return result;
}
extern int stbi_is_hdr_from_file(FILE *f)
{
#ifndef STBI_NO_HDR
stbi s;
start_file(&s,f);
return stbi_hdr_test(&s);
#else
return 0;
#endif
}
#endif // !STBI_NO_STDIO
extern int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user)
{
#ifndef STBI_NO_HDR
stbi s;
start_callbacks(&s, (stbi_io_callbacks *) clbk, user);
return stbi_hdr_test(&s);
#else
return 0;
#endif
}
#ifndef STBI_NO_HDR
static float h2l_gamma_i=1.0f/2.2f, h2l_scale_i=1.0f;
static float l2h_gamma=2.2f, l2h_scale=1.0f;
void stbi_hdr_to_ldr_gamma(float gamma) { h2l_gamma_i = 1/gamma; }
void stbi_hdr_to_ldr_scale(float scale) { h2l_scale_i = 1/scale; }
void stbi_ldr_to_hdr_gamma(float gamma) { l2h_gamma = gamma; }
void stbi_ldr_to_hdr_scale(float scale) { l2h_scale = scale; }
#endif
//////////////////////////////////////////////////////////////////////////////
//
// Common code used by all image loaders
//
enum
{
SCAN_load=0,
SCAN_type,
SCAN_header
};
static void refill_buffer(stbi *s)
{
int n = (s->io.read)(s->io_user_data,(char*)s->buffer_start,s->buflen);
if (n == 0) {
// at end of file, treat same as if from memory
s->read_from_callbacks = 0;
s->img_buffer = s->img_buffer_end-1;
*s->img_buffer = 0;
} else {
s->img_buffer = s->buffer_start;
s->img_buffer_end = s->buffer_start + n;
}
}
stbi_inline static int get8(stbi *s)
{
if (s->img_buffer < s->img_buffer_end)
return *s->img_buffer++;
if (s->read_from_callbacks) {
refill_buffer(s);
return *s->img_buffer++;
}
return 0;
}
stbi_inline static int at_eof(stbi *s)
{
if (s->io.read) {
if (!(s->io.eof)(s->io_user_data)) return 0;
// if feof() is true, check if buffer = end
// special case: we've only got the special 0 character at the end
if (s->read_from_callbacks == 0) return 1;
}
return s->img_buffer >= s->img_buffer_end;
}
stbi_inline static uint8 get8u(stbi *s)
{
return (uint8) get8(s);
}
static void skip(stbi *s, int n)
{
if (s->io.read) {
int blen = s->img_buffer_end - s->img_buffer;
if (blen < n) {
s->img_buffer = s->img_buffer_end;
(s->io.skip)(s->io_user_data, n - blen);
return;
}
}
s->img_buffer += n;
}
static int getn(stbi *s, stbi_uc *buffer, int n)
{
if (s->io.read) {
int blen = s->img_buffer_end - s->img_buffer;
if (blen < n) {
int res, count;
memcpy(buffer, s->img_buffer, blen);
count = (s->io.read)(s->io_user_data, (char*) buffer + blen, n - blen);
res = (count == (n-blen));
s->img_buffer = s->img_buffer_end;
return res;
}
}
if (s->img_buffer+n <= s->img_buffer_end) {
memcpy(buffer, s->img_buffer, n);
s->img_buffer += n;
return 1;
} else
return 0;
}
static int get16(stbi *s)
{
int z = get8(s);
return (z << 8) + get8(s);
}
static uint32 get32(stbi *s)
{
uint32 z = get16(s);
return (z << 16) + get16(s);
}
static int get16le(stbi *s)
{
int z = get8(s);
return z + (get8(s) << 8);
}
static uint32 get32le(stbi *s)
{
uint32 z = get16le(s);
return z + (get16le(s) << 16);
}
//////////////////////////////////////////////////////////////////////////////
//
// generic converter from built-in img_n to req_comp
// individual types do this automatically as much as possible (e.g. jpeg
// does all cases internally since it needs to colorspace convert anyway,
// and it never has alpha, so very few cases ). png can automatically
// interleave an alpha=255 channel, but falls back to this for other cases
//
// assume data buffer is malloced, so malloc a new one and free that one
// only failure mode is malloc failing
static uint8 compute_y(int r, int g, int b)
{
return (uint8) (((r*77) + (g*150) + (29*b)) >> 8);
}
static unsigned char *convert_format(unsigned char *data, int img_n, int req_comp, uint x, uint y)
{
int i,j;
unsigned char *good;
if (req_comp == img_n) return data;
assert(req_comp >= 1 && req_comp <= 4);
good = (unsigned char *) malloc(req_comp * x * y);
if (good == NULL) {
free(data);
return epuc("outofmem", "Out of memory");
}
for (j=0; j < (int) y; ++j) {
unsigned char *src = data + j * x * img_n ;
unsigned char *dest = good + j * x * req_comp;
#define COMBO(a,b) ((a)*8+(b))
#define CASE(a,b) case COMBO(a,b): for(i=x-1; i >= 0; --i, src += a, dest += b)
// convert source image with img_n components to one with req_comp components;
// avoid switch per pixel, so use switch per scanline and massive macros
switch (COMBO(img_n, req_comp)) {
CASE(1,2) dest[0]=src[0], dest[1]=255; break;
CASE(1,3) dest[0]=dest[1]=dest[2]=src[0]; break;
CASE(1,4) dest[0]=dest[1]=dest[2]=src[0], dest[3]=255; break;
CASE(2,1) dest[0]=src[0]; break;
CASE(2,3) dest[0]=dest[1]=dest[2]=src[0]; break;
CASE(2,4) dest[0]=dest[1]=dest[2]=src[0], dest[3]=src[1]; break;
CASE(3,4) dest[0]=src[0],dest[1]=src[1],dest[2]=src[2],dest[3]=255; break;
CASE(3,1) dest[0]=compute_y(src[0],src[1],src[2]); break;
CASE(3,2) dest[0]=compute_y(src[0],src[1],src[2]), dest[1] = 255; break;
CASE(4,1) dest[0]=compute_y(src[0],src[1],src[2]); break;
CASE(4,2) dest[0]=compute_y(src[0],src[1],src[2]), dest[1] = src[3]; break;
CASE(4,3) dest[0]=src[0],dest[1]=src[1],dest[2]=src[2]; break;
default: assert(0);
}
#undef CASE
}
free(data);
return good;
}
#ifndef STBI_NO_HDR
static float *ldr_to_hdr(stbi_uc *data, int x, int y, int comp)
{
int i,k,n;
float *output = (float *) malloc(x * y * comp * sizeof(float));
if (output == NULL) { free(data); return epf("outofmem", "Out of memory"); }
// compute number of non-alpha components
if (comp & 1) n = comp; else n = comp-1;
for (i=0; i < x*y; ++i) {
for (k=0; k < n; ++k) {
output[i*comp + k] = (float) pow(data[i*comp+k]/255.0f, l2h_gamma) * l2h_scale;
}
if (k < comp) output[i*comp + k] = data[i*comp+k]/255.0f;
}
free(data);
return output;
}
#define float2int(x) ((int) (x))
static stbi_uc *hdr_to_ldr(float *data, int x, int y, int comp)
{
int i,k,n;
stbi_uc *output = (stbi_uc *) malloc(x * y * comp);
if (output == NULL) { free(data); return epuc("outofmem", "Out of memory"); }
// compute number of non-alpha components
if (comp & 1) n = comp; else n = comp-1;
for (i=0; i < x*y; ++i) {
for (k=0; k < n; ++k) {
float z = (float) pow(data[i*comp+k]*h2l_scale_i, h2l_gamma_i) * 255 + 0.5f;
if (z < 0) z = 0;
if (z > 255) z = 255;
output[i*comp + k] = (uint8) float2int(z);
}
if (k < comp) {
float z = data[i*comp+k] * 255 + 0.5f;
if (z < 0) z = 0;
if (z > 255) z = 255;
output[i*comp + k] = (uint8) float2int(z);
}
}
free(data);
return output;
}
#endif
//////////////////////////////////////////////////////////////////////////////
//
// "baseline" JPEG/JFIF decoder (not actually fully baseline implementation)
//
// simple implementation
// - channel subsampling of at most 2 in each dimension
// - doesn't support delayed output of y-dimension
// - simple interface (only one output format: 8-bit interleaved RGB)
// - doesn't try to recover corrupt jpegs
// - doesn't allow partial loading, loading multiple at once
// - still fast on x86 (copying globals into locals doesn't help x86)
// - allocates lots of intermediate memory (full size of all components)
// - non-interleaved case requires this anyway
// - allows good upsampling (see next)
// high-quality
// - upsampled channels are bilinearly interpolated, even across blocks
// - quality integer IDCT derived from IJG's 'slow'
// performance
// - fast huffman; reasonable integer IDCT
// - uses a lot of intermediate memory, could cache poorly
// - load http://nothings.org/remote/anemones.jpg 3 times on 2.8Ghz P4
// stb_jpeg: 1.34 seconds (MSVC6, default release build)
// stb_jpeg: 1.06 seconds (MSVC6, processor = Pentium Pro)
// IJL11.dll: 1.08 seconds (compiled by intel)
// IJG 1998: 0.98 seconds (MSVC6, makefile provided by IJG)
// IJG 1998: 0.95 seconds (MSVC6, makefile + proc=PPro)
// huffman decoding acceleration
#define FAST_BITS 9 // larger handles more cases; smaller stomps less cache
typedef struct
{
uint8 fast[1 << FAST_BITS];
// weirdly, repacking this into AoS is a 10% speed loss, instead of a win
uint16 code[256];
uint8 values[256];
uint8 size[257];
unsigned int maxcode[18];
int delta[17]; // old 'firstsymbol' - old 'firstcode'
} huffman;
typedef struct
{
#ifdef STBI_SIMD
unsigned short dequant2[4][64];
#endif
stbi *s;
huffman huff_dc[4];
huffman huff_ac[4];
uint8 dequant[4][64];
// sizes for components, interleaved MCUs
int img_h_max, img_v_max;
int img_mcu_x, img_mcu_y;
int img_mcu_w, img_mcu_h;
// definition of jpeg image component
struct
{
int id;
int h,v;
int tq;
int hd,ha;
int dc_pred;
int x,y,w2,h2;
uint8 *data;
void *raw_data;
uint8 *linebuf;
} img_comp[4];
uint32 code_buffer; // jpeg entropy-coded buffer
int code_bits; // number of valid bits
unsigned char marker; // marker seen while filling entropy buffer
int nomore; // flag if we saw a marker so must stop
int scan_n, order[4];
int restart_interval, todo;
} jpeg;
static int build_huffman(huffman *h, int *count)
{
int i,j,k=0,code;
// build size list for each symbol (from JPEG spec)
for (i=0; i < 16; ++i)
for (j=0; j < count[i]; ++j)
h->size[k++] = (uint8) (i+1);
h->size[k] = 0;
// compute actual symbols (from jpeg spec)
code = 0;
k = 0;
for(j=1; j <= 16; ++j) {
// compute delta to add to code to compute symbol id
h->delta[j] = k - code;
if (h->size[k] == j) {
while (h->size[k] == j)
h->code[k++] = (uint16) (code++);
if (code-1 >= (1 << j)) return e("bad code lengths","Corrupt JPEG");
}
// compute largest code + 1 for this size, preshifted as needed later
h->maxcode[j] = code << (16-j);
code <<= 1;
}
h->maxcode[j] = 0xffffffff;
// build non-spec acceleration table; 255 is flag for not-accelerated
memset(h->fast, 255, 1 << FAST_BITS);
for (i=0; i < k; ++i) {
int s = h->size[i];
if (s <= FAST_BITS) {
int c = h->code[i] << (FAST_BITS-s);
int m = 1 << (FAST_BITS-s);
for (j=0; j < m; ++j) {
h->fast[c+j] = (uint8) i;
}
}
}
return 1;
}
static void grow_buffer_unsafe(jpeg *j)
{
do {
int b = j->nomore ? 0 : get8(j->s);
if (b == 0xff) {
int c = get8(j->s);
if (c != 0) {
j->marker = (unsigned char) c;
j->nomore = 1;
return;
}
}
j->code_buffer |= b << (24 - j->code_bits);
j->code_bits += 8;
} while (j->code_bits <= 24);
}
// (1 << n) - 1
static uint32 bmask[17]={0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535};
// decode a jpeg huffman value from the bitstream
stbi_inline static int decode(jpeg *j, huffman *h)
{
unsigned int temp;
int c,k;
if (j->code_bits < 16) grow_buffer_unsafe(j);
// look at the top FAST_BITS and determine what symbol ID it is,
// if the code is <= FAST_BITS
c = (j->code_buffer >> (32 - FAST_BITS)) & ((1 << FAST_BITS)-1);
k = h->fast[c];
if (k < 255) {
int s = h->size[k];
if (s > j->code_bits)
return -1;
j->code_buffer <<= s;
j->code_bits -= s;
return h->values[k];
}
// naive test is to shift the code_buffer down so k bits are
// valid, then test against maxcode. To speed this up, we've
// preshifted maxcode left so that it has (16-k) 0s at the
// end; in other words, regardless of the number of bits, it
// wants to be compared against something shifted to have 16;
// that way we don't need to shift inside the loop.
temp = j->code_buffer >> 16;
for (k=FAST_BITS+1 ; ; ++k)
if (temp < h->maxcode[k])
break;
if (k == 17) {
// error! code not found
j->code_bits -= 16;
return -1;
}
if (k > j->code_bits)
return -1;
// convert the huffman code to the symbol id
c = ((j->code_buffer >> (32 - k)) & bmask[k]) + h->delta[k];
assert((((j->code_buffer) >> (32 - h->size[c])) & bmask[h->size[c]]) == h->code[c]);
// convert the id to a symbol
j->code_bits -= k;
j->code_buffer <<= k;
return h->values[c];
}
// combined JPEG 'receive' and JPEG 'extend', since baseline
// always extends everything it receives.
stbi_inline static int extend_receive(jpeg *j, int n)
{
unsigned int m = 1 << (n-1);
unsigned int k;
if (j->code_bits < n) grow_buffer_unsafe(j);
#if 1
k = stbi_lrot(j->code_buffer, n);
j->code_buffer = k & ~bmask[n];
k &= bmask[n];
j->code_bits -= n;
#else
k = (j->code_buffer >> (32 - n)) & bmask[n];
j->code_bits -= n;
j->code_buffer <<= n;
#endif
// the following test is probably a random branch that won't
// predict well. I tried to table accelerate it but failed.
// maybe it's compiling as a conditional move?
if (k < m)
return (-1 << n) + k + 1;
else
return k;
}
// given a value that's at position X in the zigzag stream,
// where does it appear in the 8x8 matrix coded as row-major?
static uint8 dezigzag[64+15] =
{
0, 1, 8, 16, 9, 2, 3, 10,
17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34,
27, 20, 13, 6, 7, 14, 21, 28,
35, 42, 49, 56, 57, 50, 43, 36,
29, 22, 15, 23, 30, 37, 44, 51,
58, 59, 52, 45, 38, 31, 39, 46,
53, 60, 61, 54, 47, 55, 62, 63,
// let corrupt input sample past end
63, 63, 63, 63, 63, 63, 63, 63,
63, 63, 63, 63, 63, 63, 63
};
// decode one 64-entry block--
static int decode_block(jpeg *j, short data[64], huffman *hdc, huffman *hac, int b)
{
int diff,dc,k;
int t = decode(j, hdc);
if (t < 0) return e("bad huffman code","Corrupt JPEG");
// 0 all the ac values now so we can do it 32-bits at a time
memset(data,0,64*sizeof(data[0]));
diff = t ? extend_receive(j, t) : 0;
dc = j->img_comp[b].dc_pred + diff;
j->img_comp[b].dc_pred = dc;
data[0] = (short) dc;
// decode AC components, see JPEG spec
k = 1;
do {
int r,s;
int rs = decode(j, hac);
if (rs < 0) return e("bad huffman code","Corrupt JPEG");
s = rs & 15;
r = rs >> 4;
if (s == 0) {
if (rs != 0xf0) break; // end block
k += 16;
} else {
k += r;
// decode into unzigzag'd location
data[dezigzag[k++]] = (short) extend_receive(j,s);
}
} while (k < 64);
return 1;
}
// take a -128..127 value and clamp it and convert to 0..255
stbi_inline static uint8 clamp(int x)
{
// trick to use a single test to catch both cases
if ((unsigned int) x > 255) {
if (x < 0) return 0;
if (x > 255) return 255;
}
return (uint8) x;
}
#define f2f(x) (int) (((x) * 4096 + 0.5))
#define fsh(x) ((x) << 12)
// derived from jidctint -- DCT_ISLOW
#define IDCT_1D(s0,s1,s2,s3,s4,s5,s6,s7) \
int t0,t1,t2,t3,p1,p2,p3,p4,p5,x0,x1,x2,x3; \
p2 = s2; \
p3 = s6; \
p1 = (p2+p3) * f2f(0.5411961f); \
t2 = p1 + p3*f2f(-1.847759065f); \
t3 = p1 + p2*f2f( 0.765366865f); \
p2 = s0; \
p3 = s4; \
t0 = fsh(p2+p3); \
t1 = fsh(p2-p3); \
x0 = t0+t3; \
x3 = t0-t3; \
x1 = t1+t2; \
x2 = t1-t2; \
t0 = s7; \
t1 = s5; \
t2 = s3; \
t3 = s1; \
p3 = t0+t2; \
p4 = t1+t3; \
p1 = t0+t3; \
p2 = t1+t2; \
p5 = (p3+p4)*f2f( 1.175875602f); \
t0 = t0*f2f( 0.298631336f); \
t1 = t1*f2f( 2.053119869f); \
t2 = t2*f2f( 3.072711026f); \
t3 = t3*f2f( 1.501321110f); \
p1 = p5 + p1*f2f(-0.899976223f); \
p2 = p5 + p2*f2f(-2.562915447f); \
p3 = p3*f2f(-1.961570560f); \
p4 = p4*f2f(-0.390180644f); \
t3 += p1+p4; \
t2 += p2+p3; \
t1 += p2+p4; \
t0 += p1+p3;
#ifdef STBI_SIMD
typedef unsigned short stbi_dequantize_t;
#else
typedef uint8 stbi_dequantize_t;
#endif
// .344 seconds on 3*anemones.jpg
static void idct_block(uint8 *out, int out_stride, short data[64], stbi_dequantize_t *dequantize)
{
int i,val[64],*v=val;
stbi_dequantize_t *dq = dequantize;
uint8 *o;
short *d = data;
// columns
for (i=0; i < 8; ++i,++d,++dq, ++v) {
// if all zeroes, shortcut -- this avoids dequantizing 0s and IDCTing
if (d[ 8]==0 && d[16]==0 && d[24]==0 && d[32]==0
&& d[40]==0 && d[48]==0 && d[56]==0) {
// no shortcut 0 seconds
// (1|2|3|4|5|6|7)==0 0 seconds
// all separate -0.047 seconds
// 1 && 2|3 && 4|5 && 6|7: -0.047 seconds
int dcterm = d[0] * dq[0] << 2;
v[0] = v[8] = v[16] = v[24] = v[32] = v[40] = v[48] = v[56] = dcterm;
} else {
IDCT_1D(d[ 0]*dq[ 0],d[ 8]*dq[ 8],d[16]*dq[16],d[24]*dq[24],
d[32]*dq[32],d[40]*dq[40],d[48]*dq[48],d[56]*dq[56])
// constants scaled things up by 1<<12; let's bring them back
// down, but keep 2 extra bits of precision
x0 += 512; x1 += 512; x2 += 512; x3 += 512;
v[ 0] = (x0+t3) >> 10;
v[56] = (x0-t3) >> 10;
v[ 8] = (x1+t2) >> 10;
v[48] = (x1-t2) >> 10;
v[16] = (x2+t1) >> 10;
v[40] = (x2-t1) >> 10;
v[24] = (x3+t0) >> 10;
v[32] = (x3-t0) >> 10;
}
}
for (i=0, v=val, o=out; i < 8; ++i,v+=8,o+=out_stride) {
// no fast case since the first 1D IDCT spread components out
IDCT_1D(v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7])
// constants scaled things up by 1<<12, plus we had 1<<2 from first
// loop, plus horizontal and vertical each scale by sqrt(8) so together
// we've got an extra 1<<3, so 1<<17 total we need to remove.
// so we want to round that, which means adding 0.5 * 1<<17,
// aka 65536. Also, we'll end up with -128 to 127 that we want
// to encode as 0..255 by adding 128, so we'll add that before the shift
x0 += 65536 + (128<<17);
x1 += 65536 + (128<<17);
x2 += 65536 + (128<<17);
x3 += 65536 + (128<<17);
// tried computing the shifts into temps, or'ing the temps to see
// if any were out of range, but that was slower
o[0] = clamp((x0+t3) >> 17);
o[7] = clamp((x0-t3) >> 17);
o[1] = clamp((x1+t2) >> 17);
o[6] = clamp((x1-t2) >> 17);
o[2] = clamp((x2+t1) >> 17);
o[5] = clamp((x2-t1) >> 17);
o[3] = clamp((x3+t0) >> 17);
o[4] = clamp((x3-t0) >> 17);
}
}
#ifdef STBI_SIMD
static stbi_idct_8x8 stbi_idct_installed = idct_block;
void stbi_install_idct(stbi_idct_8x8 func)
{
stbi_idct_installed = func;
}
#endif
#define MARKER_none 0xff
// if there's a pending marker from the entropy stream, return that
// otherwise, fetch from the stream and get a marker. if there's no
// marker, return 0xff, which is never a valid marker value
static uint8 get_marker(jpeg *j)
{
uint8 x;
if (j->marker != MARKER_none) { x = j->marker; j->marker = MARKER_none; return x; }
x = get8u(j->s);
if (x != 0xff) return MARKER_none;
while (x == 0xff)
x = get8u(j->s);
return x;
}
// in each scan, we'll have scan_n components, and the order
// of the components is specified by order[]
#define RESTART(x) ((x) >= 0xd0 && (x) <= 0xd7)
// after a restart interval, reset the entropy decoder and
// the dc prediction
static void reset(jpeg *j)
{
j->code_bits = 0;
j->code_buffer = 0;
j->nomore = 0;
j->img_comp[0].dc_pred = j->img_comp[1].dc_pred = j->img_comp[2].dc_pred = 0;
j->marker = MARKER_none;
j->todo = j->restart_interval ? j->restart_interval : 0x7fffffff;
// no more than 1<<31 MCUs if no restart_interal? that's plenty safe,
// since we don't even allow 1<<30 pixels
}
static int parse_entropy_coded_data(jpeg *z)
{
reset(z);
if (z->scan_n == 1) {
int i,j;
#ifdef STBI_SIMD
__declspec(align(16))
#endif
short data[64];
int n = z->order[0];
// non-interleaved data, we just need to process one block at a time,
// in trivial scanline order
// number of blocks to do just depends on how many actual "pixels" this
// component has, independent of interleaved MCU blocking and such
int w = (z->img_comp[n].x+7) >> 3;
int h = (z->img_comp[n].y+7) >> 3;
for (j=0; j < h; ++j) {
for (i=0; i < w; ++i) {
if (!decode_block(z, data, z->huff_dc+z->img_comp[n].hd, z->huff_ac+z->img_comp[n].ha, n)) return 0;
#ifdef STBI_SIMD
stbi_idct_installed(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8, z->img_comp[n].w2, data, z->dequant2[z->img_comp[n].tq]);
#else
idct_block(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8, z->img_comp[n].w2, data, z->dequant[z->img_comp[n].tq]);
#endif
// every data block is an MCU, so countdown the restart interval
if (--z->todo <= 0) {
if (z->code_bits < 24) grow_buffer_unsafe(z);
// if it's NOT a restart, then just bail, so we get corrupt data
// rather than no data
if (!RESTART(z->marker)) return 1;
reset(z);
}
}
}
} else { // interleaved!
int i,j,k,x,y;
short data[64];
for (j=0; j < z->img_mcu_y; ++j) {
for (i=0; i < z->img_mcu_x; ++i) {
// scan an interleaved mcu... process scan_n components in order
for (k=0; k < z->scan_n; ++k) {
int n = z->order[k];
// scan out an mcu's worth of this component; that's just determined
// by the basic H and V specified for the component
for (y=0; y < z->img_comp[n].v; ++y) {
for (x=0; x < z->img_comp[n].h; ++x) {
int x2 = (i*z->img_comp[n].h + x)*8;
int y2 = (j*z->img_comp[n].v + y)*8;
if (!decode_block(z, data, z->huff_dc+z->img_comp[n].hd, z->huff_ac+z->img_comp[n].ha, n)) return 0;
#ifdef STBI_SIMD
stbi_idct_installed(z->img_comp[n].data+z->img_comp[n].w2*y2+x2, z->img_comp[n].w2, data, z->dequant2[z->img_comp[n].tq]);
#else
idct_block(z->img_comp[n].data+z->img_comp[n].w2*y2+x2, z->img_comp[n].w2, data, z->dequant[z->img_comp[n].tq]);
#endif
}
}
}
// after all interleaved components, that's an interleaved MCU,
// so now count down the restart interval
if (--z->todo <= 0) {
if (z->code_bits < 24) grow_buffer_unsafe(z);
// if it's NOT a restart, then just bail, so we get corrupt data
// rather than no data
if (!RESTART(z->marker)) return 1;
reset(z);
}
}
}
}
return 1;
}
static int process_marker(jpeg *z, int m)
{
int L;
switch (m) {
case MARKER_none: // no marker found
return e("expected marker","Corrupt JPEG");
case 0xC2: // SOF - progressive
return e("progressive jpeg","JPEG format not supported (progressive)");
case 0xDD: // DRI - specify restart interval
if (get16(z->s) != 4) return e("bad DRI len","Corrupt JPEG");
z->restart_interval = get16(z->s);
return 1;
case 0xDB: // DQT - define quantization table
L = get16(z->s)-2;
while (L > 0) {
int q = get8(z->s);
int p = q >> 4;
int t = q & 15,i;
if (p != 0) return e("bad DQT type","Corrupt JPEG");
if (t > 3) return e("bad DQT table","Corrupt JPEG");
for (i=0; i < 64; ++i)
z->dequant[t][dezigzag[i]] = get8u(z->s);
#ifdef STBI_SIMD
for (i=0; i < 64; ++i)
z->dequant2[t][i] = z->dequant[t][i];
#endif
L -= 65;
}
return L==0;
case 0xC4: // DHT - define huffman table
L = get16(z->s)-2;
while (L > 0) {
uint8 *v;
int sizes[16],i,m=0;
int q = get8(z->s);
int tc = q >> 4;
int th = q & 15;
if (tc > 1 || th > 3) return e("bad DHT header","Corrupt JPEG");
for (i=0; i < 16; ++i) {
sizes[i] = get8(z->s);
m += sizes[i];
}
L -= 17;
if (tc == 0) {
if (!build_huffman(z->huff_dc+th, sizes)) return 0;
v = z->huff_dc[th].values;
} else {
if (!build_huffman(z->huff_ac+th, sizes)) return 0;
v = z->huff_ac[th].values;
}
for (i=0; i < m; ++i)
v[i] = get8u(z->s);
L -= m;
}
return L==0;
}
// check for comment block or APP blocks
if ((m >= 0xE0 && m <= 0xEF) || m == 0xFE) {
skip(z->s, get16(z->s)-2);
return 1;
}
return 0;
}
// after we see SOS
static int process_scan_header(jpeg *z)
{
int i;
int Ls = get16(z->s);
z->scan_n = get8(z->s);
if (z->scan_n < 1 || z->scan_n > 4 || z->scan_n > (int) z->s->img_n) return e("bad SOS component count","Corrupt JPEG");
if (Ls != 6+2*z->scan_n) return e("bad SOS len","Corrupt JPEG");
for (i=0; i < z->scan_n; ++i) {
int id = get8(z->s), which;
int q = get8(z->s);
for (which = 0; which < z->s->img_n; ++which)
if (z->img_comp[which].id == id)
break;
if (which == z->s->img_n) return 0;
z->img_comp[which].hd = q >> 4; if (z->img_comp[which].hd > 3) return e("bad DC huff","Corrupt JPEG");
z->img_comp[which].ha = q & 15; if (z->img_comp[which].ha > 3) return e("bad AC huff","Corrupt JPEG");
z->order[i] = which;
}
if (get8(z->s) != 0) return e("bad SOS","Corrupt JPEG");
get8(z->s); // should be 63, but might be 0
if (get8(z->s) != 0) return e("bad SOS","Corrupt JPEG");
return 1;
}
static int process_frame_header(jpeg *z, int scan)
{
stbi *s = z->s;
int Lf,p,i,q, h_max=1,v_max=1,c;
Lf = get16(s); if (Lf < 11) return e("bad SOF len","Corrupt JPEG"); // JPEG
p = get8(s); if (p != 8) return e("only 8-bit","JPEG format not supported: 8-bit only"); // JPEG baseline
s->img_y = get16(s); if (s->img_y == 0) return e("no header height", "JPEG format not supported: delayed height"); // Legal, but we don't handle it--but neither does IJG
s->img_x = get16(s); if (s->img_x == 0) return e("0 width","Corrupt JPEG"); // JPEG requires
c = get8(s);
if (c != 3 && c != 1) return e("bad component count","Corrupt JPEG"); // JFIF requires
s->img_n = c;
for (i=0; i < c; ++i) {
z->img_comp[i].data = NULL;
z->img_comp[i].linebuf = NULL;
}
if (Lf != 8+3*s->img_n) return e("bad SOF len","Corrupt JPEG");
for (i=0; i < s->img_n; ++i) {
z->img_comp[i].id = get8(s);
if (z->img_comp[i].id != i+1) // JFIF requires
if (z->img_comp[i].id != i) // some version of jpegtran outputs non-JFIF-compliant files!
return e("bad component ID","Corrupt JPEG");
q = get8(s);
z->img_comp[i].h = (q >> 4); if (!z->img_comp[i].h || z->img_comp[i].h > 4) return e("bad H","Corrupt JPEG");
z->img_comp[i].v = q & 15; if (!z->img_comp[i].v || z->img_comp[i].v > 4) return e("bad V","Corrupt JPEG");
z->img_comp[i].tq = get8(s); if (z->img_comp[i].tq > 3) return e("bad TQ","Corrupt JPEG");
}
if (scan != SCAN_load) return 1;
if ((1 << 30) / s->img_x / s->img_n < s->img_y) return e("too large", "Image too large to decode");
for (i=0; i < s->img_n; ++i) {
if (z->img_comp[i].h > h_max) h_max = z->img_comp[i].h;
if (z->img_comp[i].v > v_max) v_max = z->img_comp[i].v;
}
// compute interleaved mcu info
z->img_h_max = h_max;
z->img_v_max = v_max;
z->img_mcu_w = h_max * 8;
z->img_mcu_h = v_max * 8;
z->img_mcu_x = (s->img_x + z->img_mcu_w-1) / z->img_mcu_w;
z->img_mcu_y = (s->img_y + z->img_mcu_h-1) / z->img_mcu_h;
for (i=0; i < s->img_n; ++i) {
// number of effective pixels (e.g. for non-interleaved MCU)
z->img_comp[i].x = (s->img_x * z->img_comp[i].h + h_max-1) / h_max;
z->img_comp[i].y = (s->img_y * z->img_comp[i].v + v_max-1) / v_max;
// to simplify generation, we'll allocate enough memory to decode
// the bogus oversized data from using interleaved MCUs and their
// big blocks (e.g. a 16x16 iMCU on an image of width 33); we won't
// discard the extra data until colorspace conversion
z->img_comp[i].w2 = z->img_mcu_x * z->img_comp[i].h * 8;
z->img_comp[i].h2 = z->img_mcu_y * z->img_comp[i].v * 8;
z->img_comp[i].raw_data = malloc(z->img_comp[i].w2 * z->img_comp[i].h2+15);
if (z->img_comp[i].raw_data == NULL) {
for(--i; i >= 0; --i) {
free(z->img_comp[i].raw_data);
z->img_comp[i].data = NULL;
}
return e("outofmem", "Out of memory");
}
// align blocks for installable-idct using mmx/sse
z->img_comp[i].data = (uint8*) (((size_t) z->img_comp[i].raw_data + 15) & ~15);
z->img_comp[i].linebuf = NULL;
}
return 1;
}
// use comparisons since in some cases we handle more than one case (e.g. SOF)
#define DNL(x) ((x) == 0xdc)
#define SOI(x) ((x) == 0xd8)
#define EOI(x) ((x) == 0xd9)
#define SOF(x) ((x) == 0xc0 || (x) == 0xc1)
#define SOS(x) ((x) == 0xda)
static int decode_jpeg_header(jpeg *z, int scan)
{
int m;
z->marker = MARKER_none; // initialize cached marker to empty
m = get_marker(z);
if (!SOI(m)) return e("no SOI","Corrupt JPEG");
if (scan == SCAN_type) return 1;
m = get_marker(z);
while (!SOF(m)) {
if (!process_marker(z,m)) return 0;
m = get_marker(z);
while (m == MARKER_none) {
// some files have extra padding after their blocks, so ok, we'll scan
if (at_eof(z->s)) return e("no SOF", "Corrupt JPEG");
m = get_marker(z);
}
}
if (!process_frame_header(z, scan)) return 0;
return 1;
}
static int decode_jpeg_image(jpeg *j)
{
int m;
j->restart_interval = 0;
if (!decode_jpeg_header(j, SCAN_load)) return 0;
m = get_marker(j);
while (!EOI(m)) {
if (SOS(m)) {
if (!process_scan_header(j)) return 0;
if (!parse_entropy_coded_data(j)) return 0;
if (j->marker == MARKER_none ) {
// handle 0s at the end of image data from IP Kamera 9060
while (!at_eof(j->s)) {
int x = get8(j->s);
if (x == 255) {
j->marker = get8u(j->s);
break;
} else if (x != 0) {
return 0;
}
}
// if we reach eof without hitting a marker, get_marker() below will fail and we'll eventually return 0
}
} else {
if (!process_marker(j, m)) return 0;
}
m = get_marker(j);
}
return 1;
}
// static jfif-centered resampling (across block boundaries)
typedef uint8 *(*resample_row_func)(uint8 *out, uint8 *in0, uint8 *in1,
int w, int hs);
#define div4(x) ((uint8) ((x) >> 2))
static uint8 *resample_row_1(uint8 *out, uint8 *in_near, uint8 *in_far, int w, int hs)
{
STBI_NOTUSED(out);
STBI_NOTUSED(in_far);
STBI_NOTUSED(w);
STBI_NOTUSED(hs);
return in_near;
}
static uint8* resample_row_v_2(uint8 *out, uint8 *in_near, uint8 *in_far, int w, int hs)
{
// need to generate two samples vertically for every one in input
int i;
STBI_NOTUSED(hs);
for (i=0; i < w; ++i)
out[i] = div4(3*in_near[i] + in_far[i] + 2);
return out;
}
static uint8* resample_row_h_2(uint8 *out, uint8 *in_near, uint8 *in_far, int w, int hs)
{
// need to generate two samples horizontally for every one in input
int i;
uint8 *input = in_near;
if (w == 1) {
// if only one sample, can't do any interpolation
out[0] = out[1] = input[0];
return out;
}
out[0] = input[0];
out[1] = div4(input[0]*3 + input[1] + 2);
for (i=1; i < w-1; ++i) {
int n = 3*input[i]+2;
out[i*2+0] = div4(n+input[i-1]);
out[i*2+1] = div4(n+input[i+1]);
}
out[i*2+0] = div4(input[w-2]*3 + input[w-1] + 2);
out[i*2+1] = input[w-1];
STBI_NOTUSED(in_far);
STBI_NOTUSED(hs);
return out;
}
#define div16(x) ((uint8) ((x) >> 4))
static uint8 *resample_row_hv_2(uint8 *out, uint8 *in_near, uint8 *in_far, int w, int hs)
{
// need to generate 2x2 samples for every one in input
int i,t0,t1;
if (w == 1) {
out[0] = out[1] = div4(3*in_near[0] + in_far[0] + 2);
return out;
}
t1 = 3*in_near[0] + in_far[0];
out[0] = div4(t1+2);
for (i=1; i < w; ++i) {
t0 = t1;
t1 = 3*in_near[i]+in_far[i];
out[i*2-1] = div16(3*t0 + t1 + 8);
out[i*2 ] = div16(3*t1 + t0 + 8);
}
out[w*2-1] = div4(t1+2);
STBI_NOTUSED(hs);
return out;
}
static uint8 *resample_row_generic(uint8 *out, uint8 *in_near, uint8 *in_far, int w, int hs)
{
// resample with nearest-neighbor
int i,j;
in_far = in_far;
for (i=0; i < w; ++i)
for (j=0; j < hs; ++j)
out[i*hs+j] = in_near[i];
return out;
}
#define float2fixed(x) ((int) ((x) * 65536 + 0.5))
// 0.38 seconds on 3*anemones.jpg (0.25 with processor = Pro)
// VC6 without processor=Pro is generating multiple LEAs per multiply!
static void YCbCr_to_RGB_row(uint8 *out, const uint8 *y, const uint8 *pcb, const uint8 *pcr, int count, int step)
{
int i;
for (i=0; i < count; ++i) {
int y_fixed = (y[i] << 16) + 32768; // rounding
int r,g,b;
int cr = pcr[i] - 128;
int cb = pcb[i] - 128;
r = y_fixed + cr*float2fixed(1.40200f);
g = y_fixed - cr*float2fixed(0.71414f) - cb*float2fixed(0.34414f);
b = y_fixed + cb*float2fixed(1.77200f);
r >>= 16;
g >>= 16;
b >>= 16;
if ((unsigned) r > 255) { if (r < 0) r = 0; else r = 255; }
if ((unsigned) g > 255) { if (g < 0) g = 0; else g = 255; }
if ((unsigned) b > 255) { if (b < 0) b = 0; else b = 255; }
out[0] = (uint8)r;
out[1] = (uint8)g;
out[2] = (uint8)b;
out[3] = 255;
out += step;
}
}
#ifdef STBI_SIMD
static stbi_YCbCr_to_RGB_run stbi_YCbCr_installed = YCbCr_to_RGB_row;
void stbi_install_YCbCr_to_RGB(stbi_YCbCr_to_RGB_run func)
{
stbi_YCbCr_installed = func;
}
#endif
// clean up the temporary component buffers
static void cleanup_jpeg(jpeg *j)
{
int i;
for (i=0; i < j->s->img_n; ++i) {
if (j->img_comp[i].data) {
free(j->img_comp[i].raw_data);
j->img_comp[i].data = NULL;
}
if (j->img_comp[i].linebuf) {
free(j->img_comp[i].linebuf);
j->img_comp[i].linebuf = NULL;
}
}
}
typedef struct
{
resample_row_func resample;
uint8 *line0,*line1;
int hs,vs; // expansion factor in each axis
int w_lores; // horizontal pixels pre-expansion
int ystep; // how far through vertical expansion we are
int ypos; // which pre-expansion row we're on
} stbi_resample;
static uint8 *load_jpeg_image(jpeg *z, int *out_x, int *out_y, int *comp, int req_comp)
{
int n, decode_n;
// validate req_comp
if (req_comp < 0 || req_comp > 4) return epuc("bad req_comp", "Internal error");
z->s->img_n = 0;
// load a jpeg image from whichever source
if (!decode_jpeg_image(z)) { cleanup_jpeg(z); return NULL; }
// determine actual number of components to generate
n = req_comp ? req_comp : z->s->img_n;
if (z->s->img_n == 3 && n < 3)
decode_n = 1;
else
decode_n = z->s->img_n;
// resample and color-convert
{
int k;
uint i,j;
uint8 *output;
uint8 *coutput[4];
stbi_resample res_comp[4];
for (k=0; k < decode_n; ++k) {
stbi_resample *r = &res_comp[k];
// allocate line buffer big enough for upsampling off the edges
// with upsample factor of 4
z->img_comp[k].linebuf = (uint8 *) malloc(z->s->img_x + 3);
if (!z->img_comp[k].linebuf) { cleanup_jpeg(z); return epuc("outofmem", "Out of memory"); }
r->hs = z->img_h_max / z->img_comp[k].h;
r->vs = z->img_v_max / z->img_comp[k].v;
r->ystep = r->vs >> 1;
r->w_lores = (z->s->img_x + r->hs-1) / r->hs;
r->ypos = 0;
r->line0 = r->line1 = z->img_comp[k].data;
if (r->hs == 1 && r->vs == 1) r->resample = resample_row_1;
else if (r->hs == 1 && r->vs == 2) r->resample = resample_row_v_2;
else if (r->hs == 2 && r->vs == 1) r->resample = resample_row_h_2;
else if (r->hs == 2 && r->vs == 2) r->resample = resample_row_hv_2;
else r->resample = resample_row_generic;
}
// can't error after this so, this is safe
output = (uint8 *) malloc(n * z->s->img_x * z->s->img_y + 1);
if (!output) { cleanup_jpeg(z); return epuc("outofmem", "Out of memory"); }
// now go ahead and resample
for (j=0; j < z->s->img_y; ++j) {
uint8 *out = output + n * z->s->img_x * j;
for (k=0; k < decode_n; ++k) {
stbi_resample *r = &res_comp[k];
int y_bot = r->ystep >= (r->vs >> 1);
coutput[k] = r->resample(z->img_comp[k].linebuf,
y_bot ? r->line1 : r->line0,
y_bot ? r->line0 : r->line1,
r->w_lores, r->hs);
if (++r->ystep >= r->vs) {
r->ystep = 0;
r->line0 = r->line1;
if (++r->ypos < z->img_comp[k].y)
r->line1 += z->img_comp[k].w2;
}
}
if (n >= 3) {
uint8 *y = coutput[0];
if (z->s->img_n == 3) {
#ifdef STBI_SIMD
stbi_YCbCr_installed(out, y, coutput[1], coutput[2], z->s.img_x, n);
#else
YCbCr_to_RGB_row(out, y, coutput[1], coutput[2], z->s->img_x, n);
#endif
} else
for (i=0; i < z->s->img_x; ++i) {
out[0] = out[1] = out[2] = y[i];
out[3] = 255; // not used if n==3
out += n;
}
} else {
uint8 *y = coutput[0];
if (n == 1)
for (i=0; i < z->s->img_x; ++i) out[i] = y[i];
else
for (i=0; i < z->s->img_x; ++i) *out++ = y[i], *out++ = 255;
}
}
cleanup_jpeg(z);
*out_x = z->s->img_x;
*out_y = z->s->img_y;
if (comp) *comp = z->s->img_n; // report original components, not output
return output;
}
}
static unsigned char *stbi_jpeg_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
jpeg j;
j.s = s;
return load_jpeg_image(&j, x,y,comp,req_comp);
}
static int stbi_jpeg_test(stbi *s)
{
int r;
jpeg j;
j.s = s;
r = decode_jpeg_header(&j, SCAN_type);
stbi_rewind(s);
return r;
}
static int stbi_jpeg_info_raw(jpeg *j, int *x, int *y, int *comp)
{
if (!decode_jpeg_header(j, SCAN_header)) {
stbi_rewind( j->s );
return 0;
}
if (x) *x = j->s->img_x;
if (y) *y = j->s->img_y;
if (comp) *comp = j->s->img_n;
return 1;
}
static int stbi_jpeg_info(stbi *s, int *x, int *y, int *comp)
{
jpeg j;
j.s = s;
return stbi_jpeg_info_raw(&j, x, y, comp);
}
// public domain zlib decode v0.2 Sean Barrett 2006-11-18
// simple implementation
// - all input must be provided in an upfront buffer
// - all output is written to a single output buffer (can malloc/realloc)
// performance
// - fast huffman
// fast-way is faster to check than jpeg huffman, but slow way is slower
#define ZFAST_BITS 9 // accelerate all cases in default tables
#define ZFAST_MASK ((1 << ZFAST_BITS) - 1)
// zlib-style huffman encoding
// (jpegs packs from left, zlib from right, so can't share code)
typedef struct
{
uint16 fast[1 << ZFAST_BITS];
uint16 firstcode[16];
int maxcode[17];
uint16 firstsymbol[16];
uint8 size[288];
uint16 value[288];
} zhuffman;
stbi_inline static int bitreverse16(int n)
{
n = ((n & 0xAAAA) >> 1) | ((n & 0x5555) << 1);
n = ((n & 0xCCCC) >> 2) | ((n & 0x3333) << 2);
n = ((n & 0xF0F0) >> 4) | ((n & 0x0F0F) << 4);
n = ((n & 0xFF00) >> 8) | ((n & 0x00FF) << 8);
return n;
}
stbi_inline static int bit_reverse(int v, int bits)
{
assert(bits <= 16);
// to bit reverse n bits, reverse 16 and shift
// e.g. 11 bits, bit reverse and shift away 5
return bitreverse16(v) >> (16-bits);
}
static int zbuild_huffman(zhuffman *z, uint8 *sizelist, int num)
{
int i,k=0;
int code, next_code[16], sizes[17];
// DEFLATE spec for generating codes
memset(sizes, 0, sizeof(sizes));
memset(z->fast, 255, sizeof(z->fast));
for (i=0; i < num; ++i)
++sizes[sizelist[i]];
sizes[0] = 0;
for (i=1; i < 16; ++i)
assert(sizes[i] <= (1 << i));
code = 0;
for (i=1; i < 16; ++i) {
next_code[i] = code;
z->firstcode[i] = (uint16) code;
z->firstsymbol[i] = (uint16) k;
code = (code + sizes[i]);
if (sizes[i])
if (code-1 >= (1 << i)) return e("bad codelengths","Corrupt JPEG");
z->maxcode[i] = code << (16-i); // preshift for inner loop
code <<= 1;
k += sizes[i];
}
z->maxcode[16] = 0x10000; // sentinel
for (i=0; i < num; ++i) {
int s = sizelist[i];
if (s) {
int c = next_code[s] - z->firstcode[s] + z->firstsymbol[s];
z->size[c] = (uint8)s;
z->value[c] = (uint16)i;
if (s <= ZFAST_BITS) {
int k = bit_reverse(next_code[s],s);
while (k < (1 << ZFAST_BITS)) {
z->fast[k] = (uint16) c;
k += (1 << s);
}
}
++next_code[s];
}
}
return 1;
}
// zlib-from-memory implementation for PNG reading
// because PNG allows splitting the zlib stream arbitrarily,
// and it's annoying structurally to have PNG call ZLIB call PNG,
// we require PNG read all the IDATs and combine them into a single
// memory buffer
typedef struct
{
uint8 *zbuffer, *zbuffer_end;
int num_bits;
uint32 code_buffer;
char *zout;
char *zout_start;
char *zout_end;
int z_expandable;
zhuffman z_length, z_distance;
} zbuf;
stbi_inline static int zget8(zbuf *z)
{
if (z->zbuffer >= z->zbuffer_end) return 0;
return *z->zbuffer++;
}
static void fill_bits(zbuf *z)
{
do {
assert(z->code_buffer < (1U << z->num_bits));
z->code_buffer |= zget8(z) << z->num_bits;
z->num_bits += 8;
} while (z->num_bits <= 24);
}
stbi_inline static unsigned int zreceive(zbuf *z, int n)
{
unsigned int k;
if (z->num_bits < n) fill_bits(z);
k = z->code_buffer & ((1 << n) - 1);
z->code_buffer >>= n;
z->num_bits -= n;
return k;
}
stbi_inline static int zhuffman_decode(zbuf *a, zhuffman *z)
{
int b,s,k;
if (a->num_bits < 16) fill_bits(a);
b = z->fast[a->code_buffer & ZFAST_MASK];
if (b < 0xffff) {
s = z->size[b];
a->code_buffer >>= s;
a->num_bits -= s;
return z->value[b];
}
// not resolved by fast table, so compute it the slow way
// use jpeg approach, which requires MSbits at top
k = bit_reverse(a->code_buffer, 16);
for (s=ZFAST_BITS+1; ; ++s)
if (k < z->maxcode[s])
break;
if (s == 16) return -1; // invalid code!
// code size is s, so:
b = (k >> (16-s)) - z->firstcode[s] + z->firstsymbol[s];
assert(z->size[b] == s);
a->code_buffer >>= s;
a->num_bits -= s;
return z->value[b];
}
static int expand(zbuf *z, int n) // need to make room for n bytes
{
char *q;
int cur, limit;
if (!z->z_expandable) return e("output buffer limit","Corrupt PNG");
cur = (int) (z->zout - z->zout_start);
limit = (int) (z->zout_end - z->zout_start);
while (cur + n > limit)
limit *= 2;
q = (char *) realloc(z->zout_start, limit);
if (q == NULL) return e("outofmem", "Out of memory");
z->zout_start = q;
z->zout = q + cur;
z->zout_end = q + limit;
return 1;
}
static int length_base[31] = {
3,4,5,6,7,8,9,10,11,13,
15,17,19,23,27,31,35,43,51,59,
67,83,99,115,131,163,195,227,258,0,0 };
static int length_extra[31]=
{ 0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0 };
static int dist_base[32] = { 1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,
257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0};
static int dist_extra[32] =
{ 0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13};
static int parse_huffman_block(zbuf *a)
{
for(;;) {
int z = zhuffman_decode(a, &a->z_length);
if (z < 256) {
if (z < 0) return e("bad huffman code","Corrupt PNG"); // error in huffman codes
if (a->zout >= a->zout_end) if (!expand(a, 1)) return 0;
*a->zout++ = (char) z;
} else {
uint8 *p;
int len,dist;
if (z == 256) return 1;
z -= 257;
len = length_base[z];
if (length_extra[z]) len += zreceive(a, length_extra[z]);
z = zhuffman_decode(a, &a->z_distance);
if (z < 0) return e("bad huffman code","Corrupt PNG");
dist = dist_base[z];
if (dist_extra[z]) dist += zreceive(a, dist_extra[z]);
if (a->zout - a->zout_start < dist) return e("bad dist","Corrupt PNG");
if (a->zout + len > a->zout_end) if (!expand(a, len)) return 0;
p = (uint8 *) (a->zout - dist);
while (len--)
*a->zout++ = *p++;
}
}
}
static int compute_huffman_codes(zbuf *a)
{
static uint8 length_dezigzag[19] = { 16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15 };
zhuffman z_codelength;
uint8 lencodes[286+32+137];//padding for maximum single op
uint8 codelength_sizes[19];
int i,n;
int hlit = zreceive(a,5) + 257;
int hdist = zreceive(a,5) + 1;
int hclen = zreceive(a,4) + 4;
memset(codelength_sizes, 0, sizeof(codelength_sizes));
for (i=0; i < hclen; ++i) {
int s = zreceive(a,3);
codelength_sizes[length_dezigzag[i]] = (uint8) s;
}
if (!zbuild_huffman(&z_codelength, codelength_sizes, 19)) return 0;
n = 0;
while (n < hlit + hdist) {
int c = zhuffman_decode(a, &z_codelength);
assert(c >= 0 && c < 19);
if (c < 16)
lencodes[n++] = (uint8) c;
else if (c == 16) {
c = zreceive(a,2)+3;
memset(lencodes+n, lencodes[n-1], c);
n += c;
} else if (c == 17) {
c = zreceive(a,3)+3;
memset(lencodes+n, 0, c);
n += c;
} else {
assert(c == 18);
c = zreceive(a,7)+11;
memset(lencodes+n, 0, c);
n += c;
}
}
if (n != hlit+hdist) return e("bad codelengths","Corrupt PNG");
if (!zbuild_huffman(&a->z_length, lencodes, hlit)) return 0;
if (!zbuild_huffman(&a->z_distance, lencodes+hlit, hdist)) return 0;
return 1;
}
static int parse_uncompressed_block(zbuf *a)
{
uint8 header[4];
int len,nlen,k;
if (a->num_bits & 7)
zreceive(a, a->num_bits & 7); // discard
// drain the bit-packed data into header
k = 0;
while (a->num_bits > 0) {
header[k++] = (uint8) (a->code_buffer & 255); // wtf this warns?
a->code_buffer >>= 8;
a->num_bits -= 8;
}
assert(a->num_bits == 0);
// now fill header the normal way
while (k < 4)
header[k++] = (uint8) zget8(a);
len = header[1] * 256 + header[0];
nlen = header[3] * 256 + header[2];
if (nlen != (len ^ 0xffff)) return e("zlib corrupt","Corrupt PNG");
if (a->zbuffer + len > a->zbuffer_end) return e("read past buffer","Corrupt PNG");
if (a->zout + len > a->zout_end)
if (!expand(a, len)) return 0;
memcpy(a->zout, a->zbuffer, len);
a->zbuffer += len;
a->zout += len;
return 1;
}
static int parse_zlib_header(zbuf *a)
{
int cmf = zget8(a);
int cm = cmf & 15;
/* int cinfo = cmf >> 4; */
int flg = zget8(a);
if ((cmf*256+flg) % 31 != 0) return e("bad zlib header","Corrupt PNG"); // zlib spec
if (flg & 32) return e("no preset dict","Corrupt PNG"); // preset dictionary not allowed in png
if (cm != 8) return e("bad compression","Corrupt PNG"); // DEFLATE required for png
// window = 1 << (8 + cinfo)... but who cares, we fully buffer output
return 1;
}
// @TODO: should statically initialize these for optimal thread safety
static uint8 default_length[288], default_distance[32];
static void init_defaults(void)
{
int i; // use <= to match clearly with spec
for (i=0; i <= 143; ++i) default_length[i] = 8;
for ( ; i <= 255; ++i) default_length[i] = 9;
for ( ; i <= 279; ++i) default_length[i] = 7;
for ( ; i <= 287; ++i) default_length[i] = 8;
for (i=0; i <= 31; ++i) default_distance[i] = 5;
}
int stbi_png_partial; // a quick hack to only allow decoding some of a PNG... I should implement real streaming support instead
static int parse_zlib(zbuf *a, int parse_header)
{
int final, type;
if (parse_header)
if (!parse_zlib_header(a)) return 0;
a->num_bits = 0;
a->code_buffer = 0;
do {
final = zreceive(a,1);
type = zreceive(a,2);
if (type == 0) {
if (!parse_uncompressed_block(a)) return 0;
} else if (type == 3) {
return 0;
} else {
if (type == 1) {
// use fixed code lengths
if (!default_distance[31]) init_defaults();
if (!zbuild_huffman(&a->z_length , default_length , 288)) return 0;
if (!zbuild_huffman(&a->z_distance, default_distance, 32)) return 0;
} else {
if (!compute_huffman_codes(a)) return 0;
}
if (!parse_huffman_block(a)) return 0;
}
if (stbi_png_partial && a->zout - a->zout_start > 65536)
break;
} while (!final);
return 1;
}
static int do_zlib(zbuf *a, char *obuf, int olen, int exp, int parse_header)
{
a->zout_start = obuf;
a->zout = obuf;
a->zout_end = obuf + olen;
a->z_expandable = exp;
return parse_zlib(a, parse_header);
}
char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen)
{
zbuf a;
char *p = (char *) malloc(initial_size);
if (p == NULL) return NULL;
a.zbuffer = (uint8 *) buffer;
a.zbuffer_end = (uint8 *) buffer + len;
if (do_zlib(&a, p, initial_size, 1, 1)) {
if (outlen) *outlen = (int) (a.zout - a.zout_start);
return a.zout_start;
} else {
free(a.zout_start);
return NULL;
}
}
char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen)
{
return stbi_zlib_decode_malloc_guesssize(buffer, len, 16384, outlen);
}
char *stbi_zlib_decode_malloc_guesssize_headerflag(const char *buffer, int len, int initial_size, int *outlen, int parse_header)
{
zbuf a;
char *p = (char *) malloc(initial_size);
if (p == NULL) return NULL;
a.zbuffer = (uint8 *) buffer;
a.zbuffer_end = (uint8 *) buffer + len;
if (do_zlib(&a, p, initial_size, 1, parse_header)) {
if (outlen) *outlen = (int) (a.zout - a.zout_start);
return a.zout_start;
} else {
free(a.zout_start);
return NULL;
}
}
int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen)
{
zbuf a;
a.zbuffer = (uint8 *) ibuffer;
a.zbuffer_end = (uint8 *) ibuffer + ilen;
if (do_zlib(&a, obuffer, olen, 0, 1))
return (int) (a.zout - a.zout_start);
else
return -1;
}
char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen)
{
zbuf a;
char *p = (char *) malloc(16384);
if (p == NULL) return NULL;
a.zbuffer = (uint8 *) buffer;
a.zbuffer_end = (uint8 *) buffer+len;
if (do_zlib(&a, p, 16384, 1, 0)) {
if (outlen) *outlen = (int) (a.zout - a.zout_start);
return a.zout_start;
} else {
free(a.zout_start);
return NULL;
}
}
int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen)
{
zbuf a;
a.zbuffer = (uint8 *) ibuffer;
a.zbuffer_end = (uint8 *) ibuffer + ilen;
if (do_zlib(&a, obuffer, olen, 0, 0))
return (int) (a.zout - a.zout_start);
else
return -1;
}
// public domain "baseline" PNG decoder v0.10 Sean Barrett 2006-11-18
// simple implementation
// - only 8-bit samples
// - no CRC checking
// - allocates lots of intermediate memory
// - avoids problem of streaming data between subsystems
// - avoids explicit window management
// performance
// - uses stb_zlib, a PD zlib implementation with fast huffman decoding
typedef struct
{
uint32 length;
uint32 type;
} chunk;
#define PNG_TYPE(a,b,c,d) (((a) << 24) + ((b) << 16) + ((c) << 8) + (d))
static chunk get_chunk_header(stbi *s)
{
chunk c;
c.length = get32(s);
c.type = get32(s);
return c;
}
static int check_png_header(stbi *s)
{
static uint8 png_sig[8] = { 137,80,78,71,13,10,26,10 };
int i;
for (i=0; i < 8; ++i)
if (get8u(s) != png_sig[i]) return e("bad png sig","Not a PNG");
return 1;
}
typedef struct
{
stbi *s;
uint8 *idata, *expanded, *out;
} png;
enum {
F_none=0, F_sub=1, F_up=2, F_avg=3, F_paeth=4,
F_avg_first, F_paeth_first
};
static uint8 first_row_filter[5] =
{
F_none, F_sub, F_none, F_avg_first, F_paeth_first
};
static int paeth(int a, int b, int c)
{
int p = a + b - c;
int pa = abs(p-a);
int pb = abs(p-b);
int pc = abs(p-c);
if (pa <= pb && pa <= pc) return a;
if (pb <= pc) return b;
return c;
}
// create the png data from post-deflated data
static int create_png_image_raw(png *a, uint8 *raw, uint32 raw_len, int out_n, uint32 x, uint32 y)
{
stbi *s = a->s;
uint32 i,j,stride = x*out_n;
int k;
int img_n = s->img_n; // copy it into a local for later
assert(out_n == s->img_n || out_n == s->img_n+1);
if (stbi_png_partial) y = 1;
a->out = (uint8 *) malloc(x * y * out_n);
if (!a->out) return e("outofmem", "Out of memory");
if (!stbi_png_partial) {
if (s->img_x == x && s->img_y == y) {
if (raw_len != (img_n * x + 1) * y) return e("not enough pixels","Corrupt PNG");
} else { // interlaced:
if (raw_len < (img_n * x + 1) * y) return e("not enough pixels","Corrupt PNG");
}
}
for (j=0; j < y; ++j) {
uint8 *cur = a->out + stride*j;
uint8 *prior = cur - stride;
int filter = *raw++;
if (filter > 4) return e("invalid filter","Corrupt PNG");
// if first row, use special filter that doesn't sample previous row
if (j == 0) filter = first_row_filter[filter];
// handle first pixel explicitly
for (k=0; k < img_n; ++k) {
switch (filter) {
case F_none : cur[k] = raw[k]; break;
case F_sub : cur[k] = raw[k]; break;
case F_up : cur[k] = raw[k] + prior[k]; break;
case F_avg : cur[k] = raw[k] + (prior[k]>>1); break;
case F_paeth : cur[k] = (uint8) (raw[k] + paeth(0,prior[k],0)); break;
case F_avg_first : cur[k] = raw[k]; break;
case F_paeth_first: cur[k] = raw[k]; break;
}
}
if (img_n != out_n) cur[img_n] = 255;
raw += img_n;
cur += out_n;
prior += out_n;
// this is a little gross, so that we don't switch per-pixel or per-component
if (img_n == out_n) {
#define CASE(f) \
case f: \
for (i=x-1; i >= 1; --i, raw+=img_n,cur+=img_n,prior+=img_n) \
for (k=0; k < img_n; ++k)
switch (filter) {
CASE(F_none) cur[k] = raw[k]; break;
CASE(F_sub) cur[k] = raw[k] + cur[k-img_n]; break;
CASE(F_up) cur[k] = raw[k] + prior[k]; break;
CASE(F_avg) cur[k] = raw[k] + ((prior[k] + cur[k-img_n])>>1); break;
CASE(F_paeth) cur[k] = (uint8) (raw[k] + paeth(cur[k-img_n],prior[k],prior[k-img_n])); break;
CASE(F_avg_first) cur[k] = raw[k] + (cur[k-img_n] >> 1); break;
CASE(F_paeth_first) cur[k] = (uint8) (raw[k] + paeth(cur[k-img_n],0,0)); break;
}
#undef CASE
} else {
assert(img_n+1 == out_n);
#define CASE(f) \
case f: \
for (i=x-1; i >= 1; --i, cur[img_n]=255,raw+=img_n,cur+=out_n,prior+=out_n) \
for (k=0; k < img_n; ++k)
switch (filter) {
CASE(F_none) cur[k] = raw[k]; break;
CASE(F_sub) cur[k] = raw[k] + cur[k-out_n]; break;
CASE(F_up) cur[k] = raw[k] + prior[k]; break;
CASE(F_avg) cur[k] = raw[k] + ((prior[k] + cur[k-out_n])>>1); break;
CASE(F_paeth) cur[k] = (uint8) (raw[k] + paeth(cur[k-out_n],prior[k],prior[k-out_n])); break;
CASE(F_avg_first) cur[k] = raw[k] + (cur[k-out_n] >> 1); break;
CASE(F_paeth_first) cur[k] = (uint8) (raw[k] + paeth(cur[k-out_n],0,0)); break;
}
#undef CASE
}
}
return 1;
}
static int create_png_image(png *a, uint8 *raw, uint32 raw_len, int out_n, int interlaced)
{
uint8 *final;
int p;
int save;
if (!interlaced)
return create_png_image_raw(a, raw, raw_len, out_n, a->s->img_x, a->s->img_y);
save = stbi_png_partial;
stbi_png_partial = 0;
// de-interlacing
final = (uint8 *) malloc(a->s->img_x * a->s->img_y * out_n);
for (p=0; p < 7; ++p) {
int xorig[] = { 0,4,0,2,0,1,0 };
int yorig[] = { 0,0,4,0,2,0,1 };
int xspc[] = { 8,8,4,4,2,2,1 };
int yspc[] = { 8,8,8,4,4,2,2 };
int i,j,x,y;
// pass1_x[4] = 0, pass1_x[5] = 1, pass1_x[12] = 1
x = (a->s->img_x - xorig[p] + xspc[p]-1) / xspc[p];
y = (a->s->img_y - yorig[p] + yspc[p]-1) / yspc[p];
if (x && y) {
if (!create_png_image_raw(a, raw, raw_len, out_n, x, y)) {
free(final);
return 0;
}
for (j=0; j < y; ++j)
for (i=0; i < x; ++i)
memcpy(final + (j*yspc[p]+yorig[p])*a->s->img_x*out_n + (i*xspc[p]+xorig[p])*out_n,
a->out + (j*x+i)*out_n, out_n);
free(a->out);
raw += (x*out_n+1)*y;
raw_len -= (x*out_n+1)*y;
}
}
a->out = final;
stbi_png_partial = save;
return 1;
}
static int compute_transparency(png *z, uint8 tc[3], int out_n)
{
stbi *s = z->s;
uint32 i, pixel_count = s->img_x * s->img_y;
uint8 *p = z->out;
// compute color-based transparency, assuming we've
// already got 255 as the alpha value in the output
assert(out_n == 2 || out_n == 4);
if (out_n == 2) {
for (i=0; i < pixel_count; ++i) {
p[1] = (p[0] == tc[0] ? 0 : 255);
p += 2;
}
} else {
for (i=0; i < pixel_count; ++i) {
if (p[0] == tc[0] && p[1] == tc[1] && p[2] == tc[2])
p[3] = 0;
p += 4;
}
}
return 1;
}
static int expand_palette(png *a, uint8 *palette, int len, int pal_img_n)
{
uint32 i, pixel_count = a->s->img_x * a->s->img_y;
uint8 *p, *temp_out, *orig = a->out;
p = (uint8 *) malloc(pixel_count * pal_img_n);
if (p == NULL) return e("outofmem", "Out of memory");
// between here and free(out) below, exitting would leak
temp_out = p;
if (pal_img_n == 3) {
for (i=0; i < pixel_count; ++i) {
int n = orig[i]*4;
p[0] = palette[n ];
p[1] = palette[n+1];
p[2] = palette[n+2];
p += 3;
}
} else {
for (i=0; i < pixel_count; ++i) {
int n = orig[i]*4;
p[0] = palette[n ];
p[1] = palette[n+1];
p[2] = palette[n+2];
p[3] = palette[n+3];
p += 4;
}
}
free(a->out);
a->out = temp_out;
STBI_NOTUSED(len);
return 1;
}
static int stbi_unpremultiply_on_load = 0;
static int stbi_de_iphone_flag = 0;
void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply)
{
stbi_unpremultiply_on_load = flag_true_if_should_unpremultiply;
}
void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert)
{
stbi_de_iphone_flag = flag_true_if_should_convert;
}
static void stbi_de_iphone(png *z)
{
stbi *s = z->s;
uint32 i, pixel_count = s->img_x * s->img_y;
uint8 *p = z->out;
if (s->img_out_n == 3) { // convert bgr to rgb
for (i=0; i < pixel_count; ++i) {
uint8 t = p[0];
p[0] = p[2];
p[2] = t;
p += 3;
}
} else {
assert(s->img_out_n == 4);
if (stbi_unpremultiply_on_load) {
// convert bgr to rgb and unpremultiply
for (i=0; i < pixel_count; ++i) {
uint8 a = p[3];
uint8 t = p[0];
if (a) {
p[0] = p[2] * 255 / a;
p[1] = p[1] * 255 / a;
p[2] = t * 255 / a;
} else {
p[0] = p[2];
p[2] = t;
}
p += 4;
}
} else {
// convert bgr to rgb
for (i=0; i < pixel_count; ++i) {
uint8 t = p[0];
p[0] = p[2];
p[2] = t;
p += 4;
}
}
}
}
static int parse_png_file(png *z, int scan, int req_comp)
{
uint8 palette[1024], pal_img_n=0;
uint8 has_trans=0, tc[3];
uint32 ioff=0, idata_limit=0, i, pal_len=0;
int first=1,k,interlace=0, iphone=0;
stbi *s = z->s;
z->expanded = NULL;
z->idata = NULL;
z->out = NULL;
if (!check_png_header(s)) return 0;
if (scan == SCAN_type) return 1;
for (;;) {
chunk c = get_chunk_header(s);
switch (c.type) {
case PNG_TYPE('C','g','B','I'):
iphone = stbi_de_iphone_flag;
skip(s, c.length);
break;
case PNG_TYPE('I','H','D','R'): {
int depth,color,comp,filter;
if (!first) return e("multiple IHDR","Corrupt PNG");
first = 0;
if (c.length != 13) return e("bad IHDR len","Corrupt PNG");
s->img_x = get32(s); if (s->img_x > (1 << 24)) return e("too large","Very large image (corrupt?)");
s->img_y = get32(s); if (s->img_y > (1 << 24)) return e("too large","Very large image (corrupt?)");
depth = get8(s); if (depth != 8) return e("8bit only","PNG not supported: 8-bit only");
color = get8(s); if (color > 6) return e("bad ctype","Corrupt PNG");
if (color == 3) pal_img_n = 3; else if (color & 1) return e("bad ctype","Corrupt PNG");
comp = get8(s); if (comp) return e("bad comp method","Corrupt PNG");
filter= get8(s); if (filter) return e("bad filter method","Corrupt PNG");
interlace = get8(s); if (interlace>1) return e("bad interlace method","Corrupt PNG");
if (!s->img_x || !s->img_y) return e("0-pixel image","Corrupt PNG");
if (!pal_img_n) {
s->img_n = (color & 2 ? 3 : 1) + (color & 4 ? 1 : 0);
if ((1 << 30) / s->img_x / s->img_n < s->img_y) return e("too large", "Image too large to decode");
if (scan == SCAN_header) return 1;
} else {
// if paletted, then pal_n is our final components, and
// img_n is # components to decompress/filter.
s->img_n = 1;
if ((1 << 30) / s->img_x / 4 < s->img_y) return e("too large","Corrupt PNG");
// if SCAN_header, have to scan to see if we have a tRNS
}
break;
}
case PNG_TYPE('P','L','T','E'): {
if (first) return e("first not IHDR", "Corrupt PNG");
if (c.length > 256*3) return e("invalid PLTE","Corrupt PNG");
pal_len = c.length / 3;
if (pal_len * 3 != c.length) return e("invalid PLTE","Corrupt PNG");
for (i=0; i < pal_len; ++i) {
palette[i*4+0] = get8u(s);
palette[i*4+1] = get8u(s);
palette[i*4+2] = get8u(s);
palette[i*4+3] = 255;
}
break;
}
case PNG_TYPE('t','R','N','S'): {
if (first) return e("first not IHDR", "Corrupt PNG");
if (z->idata) return e("tRNS after IDAT","Corrupt PNG");
if (pal_img_n) {
if (scan == SCAN_header) { s->img_n = 4; return 1; }
if (pal_len == 0) return e("tRNS before PLTE","Corrupt PNG");
if (c.length > pal_len) return e("bad tRNS len","Corrupt PNG");
pal_img_n = 4;
for (i=0; i < c.length; ++i)
palette[i*4+3] = get8u(s);
} else {
if (!(s->img_n & 1)) return e("tRNS with alpha","Corrupt PNG");
if (c.length != (uint32) s->img_n*2) return e("bad tRNS len","Corrupt PNG");
has_trans = 1;
for (k=0; k < s->img_n; ++k)
tc[k] = (uint8) get16(s); // non 8-bit images will be larger
}
break;
}
case PNG_TYPE('I','D','A','T'): {
if (first) return e("first not IHDR", "Corrupt PNG");
if (pal_img_n && !pal_len) return e("no PLTE","Corrupt PNG");
if (scan == SCAN_header) { s->img_n = pal_img_n; return 1; }
if (ioff + c.length > idata_limit) {
uint8 *p;
if (idata_limit == 0) idata_limit = c.length > 4096 ? c.length : 4096;
while (ioff + c.length > idata_limit)
idata_limit *= 2;
p = (uint8 *) realloc(z->idata, idata_limit); if (p == NULL) return e("outofmem", "Out of memory");
z->idata = p;
}
if (!getn(s, z->idata+ioff,c.length)) return e("outofdata","Corrupt PNG");
ioff += c.length;
break;
}
case PNG_TYPE('I','E','N','D'): {
uint32 raw_len;
if (first) return e("first not IHDR", "Corrupt PNG");
if (scan != SCAN_load) return 1;
if (z->idata == NULL) return e("no IDAT","Corrupt PNG");
z->expanded = (uint8 *) stbi_zlib_decode_malloc_guesssize_headerflag((char *) z->idata, ioff, 16384, (int *) &raw_len, !iphone);
if (z->expanded == NULL) return 0; // zlib should set error
free(z->idata); z->idata = NULL;
if ((req_comp == s->img_n+1 && req_comp != 3 && !pal_img_n) || has_trans)
s->img_out_n = s->img_n+1;
else
s->img_out_n = s->img_n;
if (!create_png_image(z, z->expanded, raw_len, s->img_out_n, interlace)) return 0;
if (has_trans)
if (!compute_transparency(z, tc, s->img_out_n)) return 0;
if (iphone && s->img_out_n > 2)
stbi_de_iphone(z);
if (pal_img_n) {
// pal_img_n == 3 or 4
s->img_n = pal_img_n; // record the actual colors we had
s->img_out_n = pal_img_n;
if (req_comp >= 3) s->img_out_n = req_comp;
if (!expand_palette(z, palette, pal_len, s->img_out_n))
return 0;
}
free(z->expanded); z->expanded = NULL;
return 1;
}
default:
// if critical, fail
if (first) return e("first not IHDR", "Corrupt PNG");
if ((c.type & (1 << 29)) == 0) {
#ifndef STBI_NO_FAILURE_STRINGS
// not threadsafe
static char invalid_chunk[] = "XXXX chunk not known";
invalid_chunk[0] = (uint8) (c.type >> 24);
invalid_chunk[1] = (uint8) (c.type >> 16);
invalid_chunk[2] = (uint8) (c.type >> 8);
invalid_chunk[3] = (uint8) (c.type >> 0);
#endif
return e(invalid_chunk, "PNG not supported: unknown chunk type");
}
skip(s, c.length);
break;
}
// end of chunk, read and skip CRC
get32(s);
}
}
static unsigned char *do_png(png *p, int *x, int *y, int *n, int req_comp)
{
unsigned char *result=NULL;
if (req_comp < 0 || req_comp > 4) return epuc("bad req_comp", "Internal error");
if (parse_png_file(p, SCAN_load, req_comp)) {
result = p->out;
p->out = NULL;
if (req_comp && req_comp != p->s->img_out_n) {
result = convert_format(result, p->s->img_out_n, req_comp, p->s->img_x, p->s->img_y);
p->s->img_out_n = req_comp;
if (result == NULL) return result;
}
*x = p->s->img_x;
*y = p->s->img_y;
if (n) *n = p->s->img_n;
}
free(p->out); p->out = NULL;
free(p->expanded); p->expanded = NULL;
free(p->idata); p->idata = NULL;
return result;
}
static unsigned char *stbi_png_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
png p;
p.s = s;
return do_png(&p, x,y,comp,req_comp);
}
static int stbi_png_test(stbi *s)
{
int r;
r = check_png_header(s);
stbi_rewind(s);
return r;
}
static int stbi_png_info_raw(png *p, int *x, int *y, int *comp)
{
if (!parse_png_file(p, SCAN_header, 0)) {
stbi_rewind( p->s );
return 0;
}
if (x) *x = p->s->img_x;
if (y) *y = p->s->img_y;
if (comp) *comp = p->s->img_n;
return 1;
}
static int stbi_png_info(stbi *s, int *x, int *y, int *comp)
{
png p;
p.s = s;
return stbi_png_info_raw(&p, x, y, comp);
}
// Microsoft/Windows BMP image
static int bmp_test(stbi *s)
{
int sz;
if (get8(s) != 'B') return 0;
if (get8(s) != 'M') return 0;
get32le(s); // discard filesize
get16le(s); // discard reserved
get16le(s); // discard reserved
get32le(s); // discard data offset
sz = get32le(s);
if (sz == 12 || sz == 40 || sz == 56 || sz == 108) return 1;
return 0;
}
static int stbi_bmp_test(stbi *s)
{
int r = bmp_test(s);
stbi_rewind(s);
return r;
}
// returns 0..31 for the highest set bit
static int high_bit(unsigned int z)
{
int n=0;
if (z == 0) return -1;
if (z >= 0x10000) n += 16, z >>= 16;
if (z >= 0x00100) n += 8, z >>= 8;
if (z >= 0x00010) n += 4, z >>= 4;
if (z >= 0x00004) n += 2, z >>= 2;
if (z >= 0x00002) n += 1, z >>= 1;
return n;
}
static int bitcount(unsigned int a)
{
a = (a & 0x55555555) + ((a >> 1) & 0x55555555); // max 2
a = (a & 0x33333333) + ((a >> 2) & 0x33333333); // max 4
a = (a + (a >> 4)) & 0x0f0f0f0f; // max 8 per 4, now 8 bits
a = (a + (a >> 8)); // max 16 per 8 bits
a = (a + (a >> 16)); // max 32 per 8 bits
return a & 0xff;
}
static int shiftsigned(int v, int shift, int bits)
{
int result;
int z=0;
if (shift < 0) v <<= -shift;
else v >>= shift;
result = v;
z = bits;
while (z < 8) {
result += v >> z;
z += bits;
}
return result;
}
static stbi_uc *bmp_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
uint8 *out;
unsigned int mr=0,mg=0,mb=0,ma=0, fake_a=0;
stbi_uc pal[256][4];
int psize=0,i,j,compress=0,width;
int bpp, flip_vertically, pad, target, offset, hsz;
if (get8(s) != 'B' || get8(s) != 'M') return epuc("not BMP", "Corrupt BMP");
get32le(s); // discard filesize
get16le(s); // discard reserved
get16le(s); // discard reserved
offset = get32le(s);
hsz = get32le(s);
if (hsz != 12 && hsz != 40 && hsz != 56 && hsz != 108) return epuc("unknown BMP", "BMP type not supported: unknown");
if (hsz == 12) {
s->img_x = get16le(s);
s->img_y = get16le(s);
} else {
s->img_x = get32le(s);
s->img_y = get32le(s);
}
if (get16le(s) != 1) return epuc("bad BMP", "bad BMP");
bpp = get16le(s);
if (bpp == 1) return epuc("monochrome", "BMP type not supported: 1-bit");
flip_vertically = ((int) s->img_y) > 0;
s->img_y = abs((int) s->img_y);
if (hsz == 12) {
if (bpp < 24)
psize = (offset - 14 - 24) / 3;
} else {
compress = get32le(s);
if (compress == 1 || compress == 2) return epuc("BMP RLE", "BMP type not supported: RLE");
get32le(s); // discard sizeof
get32le(s); // discard hres
get32le(s); // discard vres
get32le(s); // discard colorsused
get32le(s); // discard max important
if (hsz == 40 || hsz == 56) {
if (hsz == 56) {
get32le(s);
get32le(s);
get32le(s);
get32le(s);
}
if (bpp == 16 || bpp == 32) {
mr = mg = mb = 0;
if (compress == 0) {
if (bpp == 32) {
mr = 0xffu << 16;
mg = 0xffu << 8;
mb = 0xffu << 0;
ma = 0xffu << 24;
fake_a = 1; // @TODO: check for cases like alpha value is all 0 and switch it to 255
} else {
mr = 31u << 10;
mg = 31u << 5;
mb = 31u << 0;
}
} else if (compress == 3) {
mr = get32le(s);
mg = get32le(s);
mb = get32le(s);
// not documented, but generated by photoshop and handled by mspaint
if (mr == mg && mg == mb) {
// ?!?!?
return epuc("bad BMP", "bad BMP");
}
} else
return epuc("bad BMP", "bad BMP");
}
} else {
assert(hsz == 108);
mr = get32le(s);
mg = get32le(s);
mb = get32le(s);
ma = get32le(s);
get32le(s); // discard color space
for (i=0; i < 12; ++i)
get32le(s); // discard color space parameters
}
if (bpp < 16)
psize = (offset - 14 - hsz) >> 2;
}
s->img_n = ma ? 4 : 3;
if (req_comp && req_comp >= 3) // we can directly decode 3 or 4
target = req_comp;
else
target = s->img_n; // if they want monochrome, we'll post-convert
out = (stbi_uc *) malloc(target * s->img_x * s->img_y);
if (!out) return epuc("outofmem", "Out of memory");
if (bpp < 16) {
int z=0;
if (psize == 0 || psize > 256) { free(out); return epuc("invalid", "Corrupt BMP"); }
for (i=0; i < psize; ++i) {
pal[i][2] = get8u(s);
pal[i][1] = get8u(s);
pal[i][0] = get8u(s);
if (hsz != 12) get8(s);
pal[i][3] = 255;
}
skip(s, offset - 14 - hsz - psize * (hsz == 12 ? 3 : 4));
if (bpp == 4) width = (s->img_x + 1) >> 1;
else if (bpp == 8) width = s->img_x;
else { free(out); return epuc("bad bpp", "Corrupt BMP"); }
pad = (-width)&3;
for (j=0; j < (int) s->img_y; ++j) {
for (i=0; i < (int) s->img_x; i += 2) {
int v=get8(s),v2=0;
if (bpp == 4) {
v2 = v & 15;
v >>= 4;
}
out[z++] = pal[v][0];
out[z++] = pal[v][1];
out[z++] = pal[v][2];
if (target == 4) out[z++] = 255;
if (i+1 == (int) s->img_x) break;
v = (bpp == 8) ? get8(s) : v2;
out[z++] = pal[v][0];
out[z++] = pal[v][1];
out[z++] = pal[v][2];
if (target == 4) out[z++] = 255;
}
skip(s, pad);
}
} else {
int rshift=0,gshift=0,bshift=0,ashift=0,rcount=0,gcount=0,bcount=0,acount=0;
int z = 0;
int easy=0;
skip(s, offset - 14 - hsz);
if (bpp == 24) width = 3 * s->img_x;
else if (bpp == 16) width = 2*s->img_x;
else /* bpp = 32 and pad = 0 */ width=0;
pad = (-width) & 3;
if (bpp == 24) {
easy = 1;
} else if (bpp == 32) {
if (mb == 0xff && mg == 0xff00 && mr == 0x00ff0000 && ma == 0xff000000)
easy = 2;
}
if (!easy) {
if (!mr || !mg || !mb) { free(out); return epuc("bad masks", "Corrupt BMP"); }
// right shift amt to put high bit in position #7
rshift = high_bit(mr)-7; rcount = bitcount(mr);
gshift = high_bit(mg)-7; gcount = bitcount(mr);
bshift = high_bit(mb)-7; bcount = bitcount(mr);
ashift = high_bit(ma)-7; acount = bitcount(mr);
}
for (j=0; j < (int) s->img_y; ++j) {
if (easy) {
for (i=0; i < (int) s->img_x; ++i) {
int a;
out[z+2] = get8u(s);
out[z+1] = get8u(s);
out[z+0] = get8u(s);
z += 3;
a = (easy == 2 ? get8(s) : 255);
if (target == 4) out[z++] = (uint8) a;
}
} else {
for (i=0; i < (int) s->img_x; ++i) {
uint32 v = (bpp == 16 ? get16le(s) : get32le(s));
int a;
out[z++] = (uint8) shiftsigned(v & mr, rshift, rcount);
out[z++] = (uint8) shiftsigned(v & mg, gshift, gcount);
out[z++] = (uint8) shiftsigned(v & mb, bshift, bcount);
a = (ma ? shiftsigned(v & ma, ashift, acount) : 255);
if (target == 4) out[z++] = (uint8) a;
}
}
skip(s, pad);
}
}
if (flip_vertically) {
stbi_uc t;
for (j=0; j < (int) s->img_y>>1; ++j) {
stbi_uc *p1 = out + j *s->img_x*target;
stbi_uc *p2 = out + (s->img_y-1-j)*s->img_x*target;
for (i=0; i < (int) s->img_x*target; ++i) {
t = p1[i], p1[i] = p2[i], p2[i] = t;
}
}
}
if (req_comp && req_comp != target) {
out = convert_format(out, target, req_comp, s->img_x, s->img_y);
if (out == NULL) return out; // convert_format frees input on failure
}
*x = s->img_x;
*y = s->img_y;
if (comp) *comp = s->img_n;
return out;
}
static stbi_uc *stbi_bmp_load(stbi *s,int *x, int *y, int *comp, int req_comp)
{
return bmp_load(s, x,y,comp,req_comp);
}
// Targa Truevision - TGA
// by Jonathan Dummer
static int tga_info(stbi *s, int *x, int *y, int *comp)
{
int tga_w, tga_h, tga_comp;
int sz;
get8u(s); // discard Offset
sz = get8u(s); // color type
if( sz > 1 ) {
stbi_rewind(s);
return 0; // only RGB or indexed allowed
}
sz = get8u(s); // image type
// only RGB or grey allowed, +/- RLE
if ((sz != 1) && (sz != 2) && (sz != 3) && (sz != 9) && (sz != 10) && (sz != 11)) return 0;
skip(s,9);
tga_w = get16le(s);
if( tga_w < 1 ) {
stbi_rewind(s);
return 0; // test width
}
tga_h = get16le(s);
if( tga_h < 1 ) {
stbi_rewind(s);
return 0; // test height
}
sz = get8(s); // bits per pixel
// only RGB or RGBA or grey allowed
if ((sz != 8) && (sz != 16) && (sz != 24) && (sz != 32)) {
stbi_rewind(s);
return 0;
}
tga_comp = sz;
if (x) *x = tga_w;
if (y) *y = tga_h;
if (comp) *comp = tga_comp / 8;
return 1; // seems to have passed everything
}
int stbi_tga_info(stbi *s, int *x, int *y, int *comp)
{
return tga_info(s, x, y, comp);
}
static int tga_test(stbi *s)
{
int sz;
get8u(s); // discard Offset
sz = get8u(s); // color type
if ( sz > 1 ) return 0; // only RGB or indexed allowed
sz = get8u(s); // image type
if ( (sz != 1) && (sz != 2) && (sz != 3) && (sz != 9) && (sz != 10) && (sz != 11) ) return 0; // only RGB or grey allowed, +/- RLE
get16(s); // discard palette start
get16(s); // discard palette length
get8(s); // discard bits per palette color entry
get16(s); // discard x origin
get16(s); // discard y origin
if ( get16(s) < 1 ) return 0; // test width
if ( get16(s) < 1 ) return 0; // test height
sz = get8(s); // bits per pixel
if ( (sz != 8) && (sz != 16) && (sz != 24) && (sz != 32) ) return 0; // only RGB or RGBA or grey allowed
return 1; // seems to have passed everything
}
static int stbi_tga_test(stbi *s)
{
int res = tga_test(s);
stbi_rewind(s);
return res;
}
static stbi_uc *tga_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
// read in the TGA header stuff
int tga_offset = get8u(s);
int tga_indexed = get8u(s);
int tga_image_type = get8u(s);
int tga_is_RLE = 0;
int tga_palette_start = get16le(s);
int tga_palette_len = get16le(s);
int tga_palette_bits = get8u(s);
int tga_x_origin = get16le(s);
int tga_y_origin = get16le(s);
int tga_width = get16le(s);
int tga_height = get16le(s);
int tga_bits_per_pixel = get8u(s);
int tga_inverted = get8u(s);
// image data
unsigned char *tga_data;
unsigned char *tga_palette = NULL;
int i, j;
unsigned char raw_data[4];
unsigned char trans_data[4];
int RLE_count = 0;
int RLE_repeating = 0;
int read_next_pixel = 1;
// do a tiny bit of precessing
if ( tga_image_type >= 8 )
{
tga_image_type -= 8;
tga_is_RLE = 1;
}
/* int tga_alpha_bits = tga_inverted & 15; */
tga_inverted = 1 - ((tga_inverted >> 5) & 1);
// error check
if ( //(tga_indexed) ||
(tga_width < 1) || (tga_height < 1) ||
(tga_image_type < 1) || (tga_image_type > 3) ||
((tga_bits_per_pixel != 8) && (tga_bits_per_pixel != 16) &&
(tga_bits_per_pixel != 24) && (tga_bits_per_pixel != 32))
)
{
return NULL; // we don't report this as a bad TGA because we don't even know if it's TGA
}
// If I'm paletted, then I'll use the number of bits from the palette
if ( tga_indexed )
{
tga_bits_per_pixel = tga_palette_bits;
}
// tga info
*x = tga_width;
*y = tga_height;
if ( (req_comp < 1) || (req_comp > 4) )
{
// just use whatever the file was
req_comp = tga_bits_per_pixel / 8;
*comp = req_comp;
} else
{
// force a new number of components
*comp = tga_bits_per_pixel/8;
}
tga_data = (unsigned char*)malloc( tga_width * tga_height * req_comp );
if (!tga_data) return epuc("outofmem", "Out of memory");
// skip to the data's starting position (offset usually = 0)
skip(s, tga_offset );
// do I need to load a palette?
if ( tga_indexed )
{
// any data to skip? (offset usually = 0)
skip(s, tga_palette_start );
// load the palette
tga_palette = (unsigned char*)malloc( tga_palette_len * tga_palette_bits / 8 );
if (!tga_palette) return epuc("outofmem", "Out of memory");
if (!getn(s, tga_palette, tga_palette_len * tga_palette_bits / 8 )) {
free(tga_data);
free(tga_palette);
return epuc("bad palette", "Corrupt TGA");
}
}
// load the data
trans_data[0] = trans_data[1] = trans_data[2] = trans_data[3] = 0;
for (i=0; i < tga_width * tga_height; ++i)
{
// if I'm in RLE mode, do I need to get a RLE chunk?
if ( tga_is_RLE )
{
if ( RLE_count == 0 )
{
// yep, get the next byte as a RLE command
int RLE_cmd = get8u(s);
RLE_count = 1 + (RLE_cmd & 127);
RLE_repeating = RLE_cmd >> 7;
read_next_pixel = 1;
} else if ( !RLE_repeating )
{
read_next_pixel = 1;
}
} else
{
read_next_pixel = 1;
}
// OK, if I need to read a pixel, do it now
if ( read_next_pixel )
{
// load however much data we did have
if ( tga_indexed )
{
// read in 1 byte, then perform the lookup
int pal_idx = get8u(s);
if ( pal_idx >= tga_palette_len )
{
// invalid index
pal_idx = 0;
}
pal_idx *= tga_bits_per_pixel / 8;
for (j = 0; j*8 < tga_bits_per_pixel; ++j)
{
raw_data[j] = tga_palette[pal_idx+j];
}
} else
{
// read in the data raw
for (j = 0; j*8 < tga_bits_per_pixel; ++j)
{
raw_data[j] = get8u(s);
}
}
// convert raw to the intermediate format
switch (tga_bits_per_pixel)
{
case 8:
// Luminous => RGBA
trans_data[0] = raw_data[0];
trans_data[1] = raw_data[0];
trans_data[2] = raw_data[0];
trans_data[3] = 255;
break;
case 16:
// Luminous,Alpha => RGBA
trans_data[0] = raw_data[0];
trans_data[1] = raw_data[0];
trans_data[2] = raw_data[0];
trans_data[3] = raw_data[1];
break;
case 24:
// BGR => RGBA
trans_data[0] = raw_data[2];
trans_data[1] = raw_data[1];
trans_data[2] = raw_data[0];
trans_data[3] = 255;
break;
case 32:
// BGRA => RGBA
trans_data[0] = raw_data[2];
trans_data[1] = raw_data[1];
trans_data[2] = raw_data[0];
trans_data[3] = raw_data[3];
break;
}
// clear the reading flag for the next pixel
read_next_pixel = 0;
} // end of reading a pixel
// convert to final format
switch (req_comp)
{
case 1:
// RGBA => Luminance
tga_data[i*req_comp+0] = compute_y(trans_data[0],trans_data[1],trans_data[2]);
break;
case 2:
// RGBA => Luminance,Alpha
tga_data[i*req_comp+0] = compute_y(trans_data[0],trans_data[1],trans_data[2]);
tga_data[i*req_comp+1] = trans_data[3];
break;
case 3:
// RGBA => RGB
tga_data[i*req_comp+0] = trans_data[0];
tga_data[i*req_comp+1] = trans_data[1];
tga_data[i*req_comp+2] = trans_data[2];
break;
case 4:
// RGBA => RGBA
tga_data[i*req_comp+0] = trans_data[0];
tga_data[i*req_comp+1] = trans_data[1];
tga_data[i*req_comp+2] = trans_data[2];
tga_data[i*req_comp+3] = trans_data[3];
break;
}
// in case we're in RLE mode, keep counting down
--RLE_count;
}
// do I need to invert the image?
if ( tga_inverted )
{
for (j = 0; j*2 < tga_height; ++j)
{
int index1 = j * tga_width * req_comp;
int index2 = (tga_height - 1 - j) * tga_width * req_comp;
for (i = tga_width * req_comp; i > 0; --i)
{
unsigned char temp = tga_data[index1];
tga_data[index1] = tga_data[index2];
tga_data[index2] = temp;
++index1;
++index2;
}
}
}
// clear my palette, if I had one
if ( tga_palette != NULL )
{
free( tga_palette );
}
// the things I do to get rid of an error message, and yet keep
// Microsoft's C compilers happy... [8^(
tga_palette_start = tga_palette_len = tga_palette_bits =
tga_x_origin = tga_y_origin = 0;
// OK, done
return tga_data;
}
static stbi_uc *stbi_tga_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
return tga_load(s,x,y,comp,req_comp);
}
// *************************************************************************************************
// Photoshop PSD loader -- PD by Thatcher Ulrich, integration by Nicolas Schulz, tweaked by STB
static int psd_test(stbi *s)
{
if (get32(s) != 0x38425053) return 0; // "8BPS"
else return 1;
}
static int stbi_psd_test(stbi *s)
{
int r = psd_test(s);
stbi_rewind(s);
return r;
}
static stbi_uc *psd_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
int pixelCount;
int channelCount, compression;
int channel, i, count, len;
int w,h;
uint8 *out;
// Check identifier
if (get32(s) != 0x38425053) // "8BPS"
return epuc("not PSD", "Corrupt PSD image");
// Check file type version.
if (get16(s) != 1)
return epuc("wrong version", "Unsupported version of PSD image");
// Skip 6 reserved bytes.
skip(s, 6 );
// Read the number of channels (R, G, B, A, etc).
channelCount = get16(s);
if (channelCount < 0 || channelCount > 16)
return epuc("wrong channel count", "Unsupported number of channels in PSD image");
// Read the rows and columns of the image.
h = get32(s);
w = get32(s);
// Make sure the depth is 8 bits.
if (get16(s) != 8)
return epuc("unsupported bit depth", "PSD bit depth is not 8 bit");
// Make sure the color mode is RGB.
// Valid options are:
// 0: Bitmap
// 1: Grayscale
// 2: Indexed color
// 3: RGB color
// 4: CMYK color
// 7: Multichannel
// 8: Duotone
// 9: Lab color
if (get16(s) != 3)
return epuc("wrong color format", "PSD is not in RGB color format");
// Skip the Mode Data. (It's the palette for indexed color; other info for other modes.)
skip(s,get32(s) );
// Skip the image resources. (resolution, pen tool paths, etc)
skip(s, get32(s) );
// Skip the reserved data.
skip(s, get32(s) );
// Find out if the data is compressed.
// Known values:
// 0: no compression
// 1: RLE compressed
compression = get16(s);
if (compression > 1)
return epuc("bad compression", "PSD has an unknown compression format");
// Create the destination image.
out = (stbi_uc *) malloc(4 * w*h);
if (!out) return epuc("outofmem", "Out of memory");
pixelCount = w*h;
// Initialize the data to zero.
//memset( out, 0, pixelCount * 4 );
// Finally, the image data.
if (compression) {
// RLE as used by .PSD and .TIFF
// Loop until you get the number of unpacked bytes you are expecting:
// Read the next source byte into n.
// If n is between 0 and 127 inclusive, copy the next n+1 bytes literally.
// Else if n is between -127 and -1 inclusive, copy the next byte -n+1 times.
// Else if n is 128, noop.
// Endloop
// The RLE-compressed data is preceeded by a 2-byte data count for each row in the data,
// which we're going to just skip.
skip(s, h * channelCount * 2 );
// Read the RLE data by channel.
for (channel = 0; channel < 4; channel++) {
uint8 *p;
p = out+channel;
if (channel >= channelCount) {
// Fill this channel with default data.
for (i = 0; i < pixelCount; i++) *p = (channel == 3 ? 255 : 0), p += 4;
} else {
// Read the RLE data.
count = 0;
while (count < pixelCount) {
len = get8(s);
if (len == 128) {
// No-op.
} else if (len < 128) {
// Copy next len+1 bytes literally.
len++;
count += len;
while (len) {
*p = get8u(s);
p += 4;
len--;
}
} else if (len > 128) {
uint8 val;
// Next -len+1 bytes in the dest are replicated from next source byte.
// (Interpret len as a negative 8-bit int.)
len ^= 0x0FF;
len += 2;
val = get8u(s);
count += len;
while (len) {
*p = val;
p += 4;
len--;
}
}
}
}
}
} else {
// We're at the raw image data. It's each channel in order (Red, Green, Blue, Alpha, ...)
// where each channel consists of an 8-bit value for each pixel in the image.
// Read the data by channel.
for (channel = 0; channel < 4; channel++) {
uint8 *p;
p = out + channel;
if (channel > channelCount) {
// Fill this channel with default data.
for (i = 0; i < pixelCount; i++) *p = channel == 3 ? 255 : 0, p += 4;
} else {
// Read the data.
for (i = 0; i < pixelCount; i++)
*p = get8u(s), p += 4;
}
}
}
if (req_comp && req_comp != 4) {
out = convert_format(out, 4, req_comp, w, h);
if (out == NULL) return out; // convert_format frees input on failure
}
if (comp) *comp = channelCount;
*y = h;
*x = w;
return out;
}
static stbi_uc *stbi_psd_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
return psd_load(s,x,y,comp,req_comp);
}
// *************************************************************************************************
// Softimage PIC loader
// by Tom Seddon
//
// See http://softimage.wiki.softimage.com/index.php/INFO:_PIC_file_format
// See http://ozviz.wasp.uwa.edu.au/~pbourke/dataformats/softimagepic/
static int pic_is4(stbi *s,const char *str)
{
int i;
for (i=0; i<4; ++i)
if (get8(s) != (stbi_uc)str[i])
return 0;
return 1;
}
static int pic_test(stbi *s)
{
int i;
if (!pic_is4(s,"\x53\x80\xF6\x34"))
return 0;
for(i=0;i<84;++i)
get8(s);
if (!pic_is4(s,"PICT"))
return 0;
return 1;
}
typedef struct
{
stbi_uc size,type,channel;
} pic_packet_t;
static stbi_uc *pic_readval(stbi *s, int channel, stbi_uc *dest)
{
int mask=0x80, i;
for (i=0; i<4; ++i, mask>>=1) {
if (channel & mask) {
if (at_eof(s)) return epuc("bad file","PIC file too short");
dest[i]=get8u(s);
}
}
return dest;
}
static void pic_copyval(int channel,stbi_uc *dest,const stbi_uc *src)
{
int mask=0x80,i;
for (i=0;i<4; ++i, mask>>=1)
if (channel&mask)
dest[i]=src[i];
}
static stbi_uc *pic_load2(stbi *s,int width,int height,int *comp, stbi_uc *result)
{
int act_comp=0,num_packets=0,y,chained;
pic_packet_t packets[10];
// this will (should...) cater for even some bizarre stuff like having data
// for the same channel in multiple packets.
do {
pic_packet_t *packet;
if (num_packets==sizeof(packets)/sizeof(packets[0]))
return epuc("bad format","too many packets");
packet = &packets[num_packets++];
chained = get8(s);
packet->size = get8u(s);
packet->type = get8u(s);
packet->channel = get8u(s);
act_comp |= packet->channel;
if (at_eof(s)) return epuc("bad file","file too short (reading packets)");
if (packet->size != 8) return epuc("bad format","packet isn't 8bpp");
} while (chained);
*comp = (act_comp & 0x10 ? 4 : 3); // has alpha channel?
for(y=0; y<height; ++y) {
int packet_idx;
for(packet_idx=0; packet_idx < num_packets; ++packet_idx) {
pic_packet_t *packet = &packets[packet_idx];
stbi_uc *dest = result+y*width*4;
switch (packet->type) {
default:
return epuc("bad format","packet has bad compression type");
case 0: {//uncompressed
int x;
for(x=0;x<width;++x, dest+=4)
if (!pic_readval(s,packet->channel,dest))
return 0;
break;
}
case 1://Pure RLE
{
int left=width, i;
while (left>0) {
stbi_uc count,value[4];
count=get8u(s);
if (at_eof(s)) return epuc("bad file","file too short (pure read count)");
if (count > left)
count = (uint8) left;
if (!pic_readval(s,packet->channel,value)) return 0;
for(i=0; i<count; ++i,dest+=4)
pic_copyval(packet->channel,dest,value);
left -= count;
}
}
break;
case 2: {//Mixed RLE
int left=width;
while (left>0) {
int count = get8(s), i;
if (at_eof(s)) return epuc("bad file","file too short (mixed read count)");
if (count >= 128) { // Repeated
stbi_uc value[4];
int i;
if (count==128)
count = get16(s);
else
count -= 127;
if (count > left)
return epuc("bad file","scanline overrun");
if (!pic_readval(s,packet->channel,value))
return 0;
for(i=0;i<count;++i, dest += 4)
pic_copyval(packet->channel,dest,value);
} else { // Raw
++count;
if (count>left) return epuc("bad file","scanline overrun");
for(i=0;i<count;++i, dest+=4)
if (!pic_readval(s,packet->channel,dest))
return 0;
}
left-=count;
}
break;
}
}
}
}
return result;
}
static stbi_uc *pic_load(stbi *s,int *px,int *py,int *comp,int req_comp)
{
stbi_uc *result;
int i, x,y;
for (i=0; i<92; ++i)
get8(s);
x = get16(s);
y = get16(s);
if (at_eof(s)) return epuc("bad file","file too short (pic header)");
if ((1 << 28) / x < y) return epuc("too large", "Image too large to decode");
get32(s); //skip `ratio'
get16(s); //skip `fields'
get16(s); //skip `pad'
// intermediate buffer is RGBA
result = (stbi_uc *) malloc(x*y*4);
memset(result, 0xff, x*y*4);
if (!pic_load2(s,x,y,comp, result)) {
free(result);
result=0;
}
*px = x;
*py = y;
if (req_comp == 0) req_comp = *comp;
result=convert_format(result,4,req_comp,x,y);
return result;
}
static int stbi_pic_test(stbi *s)
{
int r = pic_test(s);
stbi_rewind(s);
return r;
}
static stbi_uc *stbi_pic_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
return pic_load(s,x,y,comp,req_comp);
}
// *************************************************************************************************
// GIF loader -- public domain by Jean-Marc Lienher -- simplified/shrunk by stb
typedef struct stbi_gif_lzw_struct {
int16 prefix;
uint8 first;
uint8 suffix;
} stbi_gif_lzw;
typedef struct stbi_gif_struct
{
int w,h;
stbi_uc *out; // output buffer (always 4 components)
int flags, bgindex, ratio, transparent, eflags;
uint8 pal[256][4];
uint8 lpal[256][4];
stbi_gif_lzw codes[4096];
uint8 *color_table;
int parse, step;
int lflags;
int start_x, start_y;
int max_x, max_y;
int cur_x, cur_y;
int line_size;
} stbi_gif;
static int gif_test(stbi *s)
{
int sz;
if (get8(s) != 'G' || get8(s) != 'I' || get8(s) != 'F' || get8(s) != '8') return 0;
sz = get8(s);
if (sz != '9' && sz != '7') return 0;
if (get8(s) != 'a') return 0;
return 1;
}
static int stbi_gif_test(stbi *s)
{
int r = gif_test(s);
stbi_rewind(s);
return r;
}
static void stbi_gif_parse_colortable(stbi *s, uint8 pal[256][4], int num_entries, int transp)
{
int i;
for (i=0; i < num_entries; ++i) {
pal[i][2] = get8u(s);
pal[i][1] = get8u(s);
pal[i][0] = get8u(s);
pal[i][3] = transp ? 0 : 255;
}
}
static int stbi_gif_header(stbi *s, stbi_gif *g, int *comp, int is_info)
{
uint8 version;
if (get8(s) != 'G' || get8(s) != 'I' || get8(s) != 'F' || get8(s) != '8')
return e("not GIF", "Corrupt GIF");
version = get8u(s);
if (version != '7' && version != '9') return e("not GIF", "Corrupt GIF");
if (get8(s) != 'a') return e("not GIF", "Corrupt GIF");
failure_reason = "";
g->w = get16le(s);
g->h = get16le(s);
g->flags = get8(s);
g->bgindex = get8(s);
g->ratio = get8(s);
g->transparent = -1;
if (comp != 0) *comp = 4; // can't actually tell whether it's 3 or 4 until we parse the comments
if (is_info) return 1;
if (g->flags & 0x80)
stbi_gif_parse_colortable(s,g->pal, 2 << (g->flags & 7), -1);
return 1;
}
static int stbi_gif_info_raw(stbi *s, int *x, int *y, int *comp)
{
stbi_gif g;
if (!stbi_gif_header(s, &g, comp, 1)) {
stbi_rewind( s );
return 0;
}
if (x) *x = g.w;
if (y) *y = g.h;
return 1;
}
static void stbi_out_gif_code(stbi_gif *g, uint16 code)
{
uint8 *p, *c;
// recurse to decode the prefixes, since the linked-list is backwards,
// and working backwards through an interleaved image would be nasty
if (g->codes[code].prefix >= 0)
stbi_out_gif_code(g, g->codes[code].prefix);
if (g->cur_y >= g->max_y) return;
p = &g->out[g->cur_x + g->cur_y];
c = &g->color_table[g->codes[code].suffix * 4];
if (c[3] >= 128) {
p[0] = c[2];
p[1] = c[1];
p[2] = c[0];
p[3] = c[3];
}
g->cur_x += 4;
if (g->cur_x >= g->max_x) {
g->cur_x = g->start_x;
g->cur_y += g->step;
while (g->cur_y >= g->max_y && g->parse > 0) {
g->step = (1 << g->parse) * g->line_size;
g->cur_y = g->start_y + (g->step >> 1);
--g->parse;
}
}
}
static uint8 *stbi_process_gif_raster(stbi *s, stbi_gif *g)
{
uint8 lzw_cs;
int32 len, code;
uint32 first;
int32 codesize, codemask, avail, oldcode, bits, valid_bits, clear;
stbi_gif_lzw *p;
lzw_cs = get8u(s);
clear = 1 << lzw_cs;
first = 1;
codesize = lzw_cs + 1;
codemask = (1 << codesize) - 1;
bits = 0;
valid_bits = 0;
for (code = 0; code < clear; code++) {
g->codes[code].prefix = -1;
g->codes[code].first = (uint8) code;
g->codes[code].suffix = (uint8) code;
}
// support no starting clear code
avail = clear+2;
oldcode = -1;
len = 0;
for(;;) {
if (valid_bits < codesize) {
if (len == 0) {
len = get8(s); // start new block
if (len == 0)
return g->out;
}
--len;
bits |= (int32) get8(s) << valid_bits;
valid_bits += 8;
} else {
int32 code = bits & codemask;
bits >>= codesize;
valid_bits -= codesize;
// @OPTIMIZE: is there some way we can accelerate the non-clear path?
if (code == clear) { // clear code
codesize = lzw_cs + 1;
codemask = (1 << codesize) - 1;
avail = clear + 2;
oldcode = -1;
first = 0;
} else if (code == clear + 1) { // end of stream code
skip(s, len);
while ((len = get8(s)) > 0)
skip(s,len);
return g->out;
} else if (code <= avail) {
if (first) return epuc("no clear code", "Corrupt GIF");
if (oldcode >= 0) {
p = &g->codes[avail++];
if (avail > 4096) return epuc("too many codes", "Corrupt GIF");
p->prefix = (int16) oldcode;
p->first = g->codes[oldcode].first;
p->suffix = (code == avail) ? p->first : g->codes[code].first;
} else if (code == avail)
return epuc("illegal code in raster", "Corrupt GIF");
stbi_out_gif_code(g, (uint16) code);
if ((avail & codemask) == 0 && avail <= 0x0FFF) {
codesize++;
codemask = (1 << codesize) - 1;
}
oldcode = code;
} else {
return epuc("illegal code in raster", "Corrupt GIF");
}
}
}
}
static void stbi_fill_gif_background(stbi_gif *g)
{
int i;
uint8 *c = g->pal[g->bgindex];
// @OPTIMIZE: write a dword at a time
for (i = 0; i < g->w * g->h * 4; i += 4) {
uint8 *p = &g->out[i];
p[0] = c[2];
p[1] = c[1];
p[2] = c[0];
p[3] = c[3];
}
}
// this function is designed to support animated gifs, although stb_image doesn't support it
static uint8 *stbi_gif_load_next(stbi *s, stbi_gif *g, int *comp, int req_comp)
{
int i;
uint8 *old_out = 0;
if (g->out == 0) {
if (!stbi_gif_header(s, g, comp,0)) return 0; // failure_reason set by stbi_gif_header
g->out = (uint8 *) malloc(4 * g->w * g->h);
if (g->out == 0) return epuc("outofmem", "Out of memory");
stbi_fill_gif_background(g);
} else {
// animated-gif-only path
if (((g->eflags & 0x1C) >> 2) == 3) {
old_out = g->out;
g->out = (uint8 *) malloc(4 * g->w * g->h);
if (g->out == 0) return epuc("outofmem", "Out of memory");
memcpy(g->out, old_out, g->w*g->h*4);
}
}
for (;;) {
switch (get8(s)) {
case 0x2C: /* Image Descriptor */
{
int32 x, y, w, h;
uint8 *o;
x = get16le(s);
y = get16le(s);
w = get16le(s);
h = get16le(s);
if (((x + w) > (g->w)) || ((y + h) > (g->h)))
return epuc("bad Image Descriptor", "Corrupt GIF");
g->line_size = g->w * 4;
g->start_x = x * 4;
g->start_y = y * g->line_size;
g->max_x = g->start_x + w * 4;
g->max_y = g->start_y + h * g->line_size;
g->cur_x = g->start_x;
g->cur_y = g->start_y;
g->lflags = get8(s);
if (g->lflags & 0x40) {
g->step = 8 * g->line_size; // first interlaced spacing
g->parse = 3;
} else {
g->step = g->line_size;
g->parse = 0;
}
if (g->lflags & 0x80) {
stbi_gif_parse_colortable(s,g->lpal, 2 << (g->lflags & 7), g->eflags & 0x01 ? g->transparent : -1);
g->color_table = (uint8 *) g->lpal;
} else if (g->flags & 0x80) {
for (i=0; i < 256; ++i) // @OPTIMIZE: reset only the previous transparent
g->pal[i][3] = 255;
if (g->transparent >= 0 && (g->eflags & 0x01))
g->pal[g->transparent][3] = 0;
g->color_table = (uint8 *) g->pal;
} else
return epuc("missing color table", "Corrupt GIF");
o = stbi_process_gif_raster(s, g);
if (o == NULL) return NULL;
if (req_comp && req_comp != 4)
o = convert_format(o, 4, req_comp, g->w, g->h);
return o;
}
case 0x21: // Comment Extension.
{
int len;
if (get8(s) == 0xF9) { // Graphic Control Extension.
len = get8(s);
if (len == 4) {
g->eflags = get8(s);
get16le(s); // delay
g->transparent = get8(s);
} else {
skip(s, len);
break;
}
}
while ((len = get8(s)) != 0)
skip(s, len);
break;
}
case 0x3B: // gif stream termination code
return (uint8 *) 1;
default:
return epuc("unknown code", "Corrupt GIF");
}
}
}
static stbi_uc *stbi_gif_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
uint8 *u = 0;
stbi_gif g={0};
u = stbi_gif_load_next(s, &g, comp, req_comp);
if (u == (void *) 1) u = 0; // end of animated gif marker
if (u) {
*x = g.w;
*y = g.h;
}
return u;
}
static int stbi_gif_info(stbi *s, int *x, int *y, int *comp)
{
return stbi_gif_info_raw(s,x,y,comp);
}
// *************************************************************************************************
// Radiance RGBE HDR loader
// originally by Nicolas Schulz
#ifndef STBI_NO_HDR
static int hdr_test(stbi *s)
{
const char *signature = "#?RADIANCE\n";
int i;
for (i=0; signature[i]; ++i)
if (get8(s) != signature[i])
return 0;
return 1;
}
static int stbi_hdr_test(stbi* s)
{
int r = hdr_test(s);
stbi_rewind(s);
return r;
}
#define HDR_BUFLEN 1024
static char *hdr_gettoken(stbi *z, char *buffer)
{
int len=0;
char c = '\0';
c = (char) get8(z);
while (!at_eof(z) && c != '\n') {
buffer[len++] = c;
if (len == HDR_BUFLEN-1) {
// flush to end of line
while (!at_eof(z) && get8(z) != '\n')
;
break;
}
c = (char) get8(z);
}
buffer[len] = 0;
return buffer;
}
static void hdr_convert(float *output, stbi_uc *input, int req_comp)
{
if ( input[3] != 0 ) {
float f1;
// Exponent
f1 = (float) ldexp(1.0f, input[3] - (int)(128 + 8));
if (req_comp <= 2)
output[0] = (input[0] + input[1] + input[2]) * f1 / 3;
else {
output[0] = input[0] * f1;
output[1] = input[1] * f1;
output[2] = input[2] * f1;
}
if (req_comp == 2) output[1] = 1;
if (req_comp == 4) output[3] = 1;
} else {
switch (req_comp) {
case 4: output[3] = 1; /* fallthrough */
case 3: output[0] = output[1] = output[2] = 0;
break;
case 2: output[1] = 1; /* fallthrough */
case 1: output[0] = 0;
break;
}
}
}
static float *hdr_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
char buffer[HDR_BUFLEN];
char *token;
int valid = 0;
int width, height;
stbi_uc *scanline;
float *hdr_data;
int len;
unsigned char count, value;
int i, j, k, c1,c2, z;
// Check identifier
if (strcmp(hdr_gettoken(s,buffer), "#?RADIANCE") != 0)
return epf("not HDR", "Corrupt HDR image");
// Parse header
for(;;) {
token = hdr_gettoken(s,buffer);
if (token[0] == 0) break;
if (strcmp(token, "FORMAT=32-bit_rle_rgbe") == 0) valid = 1;
}
if (!valid) return epf("unsupported format", "Unsupported HDR format");
// Parse width and height
// can't use sscanf() if we're not using stdio!
token = hdr_gettoken(s,buffer);
if (strncmp(token, "-Y ", 3)) return epf("unsupported data layout", "Unsupported HDR format");
token += 3;
height = strtol(token, &token, 10);
while (*token == ' ') ++token;
if (strncmp(token, "+X ", 3)) return epf("unsupported data layout", "Unsupported HDR format");
token += 3;
width = strtol(token, NULL, 10);
*x = width;
*y = height;
*comp = 3;
if (req_comp == 0) req_comp = 3;
// Read data
hdr_data = (float *) malloc(height * width * req_comp * sizeof(float));
// Load image data
// image data is stored as some number of sca
if ( width < 8 || width >= 32768) {
// Read flat data
for (j=0; j < height; ++j) {
for (i=0; i < width; ++i) {
stbi_uc rgbe[4];
main_decode_loop:
getn(s, rgbe, 4);
hdr_convert(hdr_data + j * width * req_comp + i * req_comp, rgbe, req_comp);
}
}
} else {
// Read RLE-encoded data
scanline = NULL;
for (j = 0; j < height; ++j) {
c1 = get8(s);
c2 = get8(s);
len = get8(s);
if (c1 != 2 || c2 != 2 || (len & 0x80)) {
// not run-length encoded, so we have to actually use THIS data as a decoded
// pixel (note this can't be a valid pixel--one of RGB must be >= 128)
uint8 rgbe[4];
rgbe[0] = (uint8) c1;
rgbe[1] = (uint8) c2;
rgbe[2] = (uint8) len;
rgbe[3] = (uint8) get8u(s);
hdr_convert(hdr_data, rgbe, req_comp);
i = 1;
j = 0;
free(scanline);
goto main_decode_loop; // yes, this makes no sense
}
len <<= 8;
len |= get8(s);
if (len != width) { free(hdr_data); free(scanline); return epf("invalid decoded scanline length", "corrupt HDR"); }
if (scanline == NULL) scanline = (stbi_uc *) malloc(width * 4);
for (k = 0; k < 4; ++k) {
i = 0;
while (i < width) {
count = get8u(s);
if (count > 128) {
// Run
value = get8u(s);
count -= 128;
for (z = 0; z < count; ++z)
scanline[i++ * 4 + k] = value;
} else {
// Dump
for (z = 0; z < count; ++z)
scanline[i++ * 4 + k] = get8u(s);
}
}
}
for (i=0; i < width; ++i)
hdr_convert(hdr_data+(j*width + i)*req_comp, scanline + i*4, req_comp);
}
free(scanline);
}
return hdr_data;
}
static float *stbi_hdr_load(stbi *s, int *x, int *y, int *comp, int req_comp)
{
return hdr_load(s,x,y,comp,req_comp);
}
static int stbi_hdr_info(stbi *s, int *x, int *y, int *comp)
{
char buffer[HDR_BUFLEN];
char *token;
int valid = 0;
if (strcmp(hdr_gettoken(s,buffer), "#?RADIANCE") != 0) {
stbi_rewind( s );
return 0;
}
for(;;) {
token = hdr_gettoken(s,buffer);
if (token[0] == 0) break;
if (strcmp(token, "FORMAT=32-bit_rle_rgbe") == 0) valid = 1;
}
if (!valid) {
stbi_rewind( s );
return 0;
}
token = hdr_gettoken(s,buffer);
if (strncmp(token, "-Y ", 3)) {
stbi_rewind( s );
return 0;
}
token += 3;
*y = strtol(token, &token, 10);
while (*token == ' ') ++token;
if (strncmp(token, "+X ", 3)) {
stbi_rewind( s );
return 0;
}
token += 3;
*x = strtol(token, NULL, 10);
*comp = 3;
return 1;
}
#endif // STBI_NO_HDR
static int stbi_bmp_info(stbi *s, int *x, int *y, int *comp)
{
int hsz;
if (get8(s) != 'B' || get8(s) != 'M') {
stbi_rewind( s );
return 0;
}
skip(s,12);
hsz = get32le(s);
if (hsz != 12 && hsz != 40 && hsz != 56 && hsz != 108) {
stbi_rewind( s );
return 0;
}
if (hsz == 12) {
*x = get16le(s);
*y = get16le(s);
} else {
*x = get32le(s);
*y = get32le(s);
}
if (get16le(s) != 1) {
stbi_rewind( s );
return 0;
}
*comp = get16le(s) / 8;
return 1;
}
static int stbi_psd_info(stbi *s, int *x, int *y, int *comp)
{
int channelCount;
if (get32(s) != 0x38425053) {
stbi_rewind( s );
return 0;
}
if (get16(s) != 1) {
stbi_rewind( s );
return 0;
}
skip(s, 6);
channelCount = get16(s);
if (channelCount < 0 || channelCount > 16) {
stbi_rewind( s );
return 0;
}
*y = get32(s);
*x = get32(s);
if (get16(s) != 8) {
stbi_rewind( s );
return 0;
}
if (get16(s) != 3) {
stbi_rewind( s );
return 0;
}
*comp = 4;
return 1;
}
static int stbi_pic_info(stbi *s, int *x, int *y, int *comp)
{
int act_comp=0,num_packets=0,chained;
pic_packet_t packets[10];
skip(s, 92);
*x = get16(s);
*y = get16(s);
if (at_eof(s)) return 0;
if ( (*x) != 0 && (1 << 28) / (*x) < (*y)) {
stbi_rewind( s );
return 0;
}
skip(s, 8);
do {
pic_packet_t *packet;
if (num_packets==sizeof(packets)/sizeof(packets[0]))
return 0;
packet = &packets[num_packets++];
chained = get8(s);
packet->size = get8u(s);
packet->type = get8u(s);
packet->channel = get8u(s);
act_comp |= packet->channel;
if (at_eof(s)) {
stbi_rewind( s );
return 0;
}
if (packet->size != 8) {
stbi_rewind( s );
return 0;
}
} while (chained);
*comp = (act_comp & 0x10 ? 4 : 3);
return 1;
}
static int stbi_info_main(stbi *s, int *x, int *y, int *comp)
{
if (stbi_jpeg_info(s, x, y, comp))
return 1;
if (stbi_png_info(s, x, y, comp))
return 1;
if (stbi_gif_info(s, x, y, comp))
return 1;
if (stbi_bmp_info(s, x, y, comp))
return 1;
if (stbi_psd_info(s, x, y, comp))
return 1;
if (stbi_pic_info(s, x, y, comp))
return 1;
#ifndef STBI_NO_HDR
if (stbi_hdr_info(s, x, y, comp))
return 1;
#endif
// test tga last because it's a crappy test!
if (stbi_tga_info(s, x, y, comp))
return 1;
return e("unknown image type", "Image not of any known type, or corrupt");
}
#ifndef STBI_NO_STDIO
int stbi_info(char const *filename, int *x, int *y, int *comp)
{
FILE *f = fopen(filename, "rb");
int result;
if (!f) return e("can't fopen", "Unable to open file");
result = stbi_info_from_file(f, x, y, comp);
fclose(f);
return result;
}
int stbi_info_from_file(FILE *f, int *x, int *y, int *comp)
{
int r;
stbi s;
long pos = ftell(f);
start_file(&s, f);
r = stbi_info_main(&s,x,y,comp);
fseek(f,pos,SEEK_SET);
return r;
}
#endif // !STBI_NO_STDIO
int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp)
{
stbi s;
start_mem(&s,buffer,len);
return stbi_info_main(&s,x,y,comp);
}
int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp)
{
stbi s;
start_callbacks(&s, (stbi_io_callbacks *) c, user);
return stbi_info_main(&s,x,y,comp);
}
#endif // STBI_HEADER_FILE_ONLY
/*
revision history:
1.33 (2011-07-14)
make stbi_is_hdr work in STBI_NO_HDR (as specified), minor compiler-friendly improvements
1.32 (2011-07-13)
support for "info" function for all supported filetypes (SpartanJ)
1.31 (2011-06-20)
a few more leak fixes, bug in PNG handling (SpartanJ)
1.30 (2011-06-11)
added ability to load files via callbacks to accomidate custom input streams (Ben Wenger)
removed deprecated format-specific test/load functions
removed support for installable file formats (stbi_loader) -- would have been broken for IO callbacks anyway
error cases in bmp and tga give messages and don't leak (Raymond Barbiero, grisha)
fix inefficiency in decoding 32-bit BMP (David Woo)
1.29 (2010-08-16)
various warning fixes from Aurelien Pocheville
1.28 (2010-08-01)
fix bug in GIF palette transparency (SpartanJ)
1.27 (2010-08-01)
cast-to-uint8 to fix warnings
1.26 (2010-07-24)
fix bug in file buffering for PNG reported by SpartanJ
1.25 (2010-07-17)
refix trans_data warning (Won Chun)
1.24 (2010-07-12)
perf improvements reading from files on platforms with lock-heavy fgetc()
minor perf improvements for jpeg
deprecated type-specific functions so we'll get feedback if they're needed
attempt to fix trans_data warning (Won Chun)
1.23 fixed bug in iPhone support
1.22 (2010-07-10)
removed image *writing* support
stbi_info support from Jetro Lauha
GIF support from Jean-Marc Lienher
iPhone PNG-extensions from James Brown
warning-fixes from Nicolas Schulz and Janez Zemva (i.e. Janez (U+017D)emva)
1.21 fix use of 'uint8' in header (reported by jon blow)
1.20 added support for Softimage PIC, by Tom Seddon
1.19 bug in interlaced PNG corruption check (found by ryg)
1.18 2008-08-02
fix a threading bug (local mutable static)
1.17 support interlaced PNG
1.16 major bugfix - convert_format converted one too many pixels
1.15 initialize some fields for thread safety
1.14 fix threadsafe conversion bug
header-file-only version (#define STBI_HEADER_FILE_ONLY before including)
1.13 threadsafe
1.12 const qualifiers in the API
1.11 Support installable IDCT, colorspace conversion routines
1.10 Fixes for 64-bit (don't use "unsigned long")
optimized upsampling by Fabian "ryg" Giesen
1.09 Fix format-conversion for PSD code (bad global variables!)
1.08 Thatcher Ulrich's PSD code integrated by Nicolas Schulz
1.07 attempt to fix C++ warning/errors again
1.06 attempt to fix C++ warning/errors again
1.05 fix TGA loading to return correct *comp and use good luminance calc
1.04 default float alpha is 1, not 255; use 'void *' for stbi_image_free
1.03 bugfixes to STBI_NO_STDIO, STBI_NO_HDR
1.02 support for (subset of) HDR files, float interface for preferred access to them
1.01 fix bug: possible bug in handling right-side up bmps... not sure
fix bug: the stbi_bmp_load() and stbi_tga_load() functions didn't work at all
1.00 interface to zlib that skips zlib header
0.99 correct handling of alpha in palette
0.98 TGA loader by lonesock; dynamically add loaders (untested)
0.97 jpeg errors on too large a file; also catch another malloc failure
0.96 fix detection of invalid v value - particleman@mollyrocket forum
0.95 during header scan, seek to markers in case of padding
0.94 STBI_NO_STDIO to disable stdio usage; rename all #defines the same
0.93 handle jpegtran output; verbose errors
0.92 read 4,8,16,24,32-bit BMP files of several formats
0.91 output 24-bit Windows 3.0 BMP files
0.90 fix a few more warnings; bump version number to approach 1.0
0.61 bugfixes due to Marc LeBlanc, Christopher Lloyd
0.60 fix compiling as c++
0.59 fix warnings: merge Dave Moore's -Wall fixes
0.58 fix bug: zlib uncompressed mode len/nlen was wrong endian
0.57 fix bug: jpg last huffman symbol before marker was >9 bits but less than 16 available
0.56 fix bug: zlib uncompressed mode len vs. nlen
0.55 fix bug: restart_interval not initialized to 0
0.54 allow NULL for 'int *comp'
0.53 fix bug in png 3->4; speedup png decoding
0.52 png handles req_comp=3,4 directly; minor cleanup; jpeg comments
0.51 obey req_comp requests, 1-component jpegs return as 1-component,
on 'test' only check type, not whether we support this variant
0.50 first released version
*/
|
the_stack_data/9513484.c | #include <stdio.h>
// 利用union和struct的嵌套实现0x11223344的高位和低位相加
union unsign_int{
struct num_stru{
unsigned short low;
unsigned short high;
}n;
union num_un{
unsigned int u;
}m;
};
int main(){
union unsign_int x;
x.m.u=0x11223344;
printf("%x+%x=%x\n",x.n.low,x.n.high,x.n.low+x.n.high);
return 0;
}
|
the_stack_data/40230.c | #include <sys/mman.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
typedef struct {
char name[4];
int age;
} people;
int main(int argc, char** argv) // map a normal file as shared mem:
{
int fd = open(argv[1], O_CREAT|O_RDWR, 00777);
people* p_map = (people*)mmap(NULL, sizeof(people)*10, PROT_READ|PROT_WRITE,MAP_SHARED, fd, 0);
int i;
for(i = 0; i < 10; i++) {
printf( "name: %s age %d;\n", (*(p_map+i)).name, (*(p_map+i)).age );
}
munmap(p_map, sizeof(people)*10);
}
|
the_stack_data/1179954.c | #include "stdio.h"
#define pi 3.1415926535
double cube_area( double n ){
return (6 * n * n);
}
double cube_vol( double n ){
return ( n*n*n );
}
double sphere_area( double n ){
return ( 4*pi*n*n );
}
double sphere_vol( double n ){
double help = (double) 4 / (double) 3;
return ( help * pi * n * n * n );
}
int main(){
double radius;
printf("\nGive me the length of the radius in meters: ");
scanf("%lf", &radius);
printf("Cube: \n");
printf("Surface Area: %.2lf\n", cube_area( radius ) );
printf("Volume: %.2lf\n", cube_vol( radius ) );
printf("\nSphere: \n");
printf("Surface Area: %.2lf\n", sphere_area( radius ) );
printf("Volume: %.2lf\n", sphere_vol( radius ) );
return 0;
}
|
the_stack_data/148781.c | /* Generated by CIL v. 1.7.0 */
/* print_CIL_Input is false */
struct _IO_FILE;
struct timeval;
extern float strtof(char const *str , char const *endptr ) ;
extern void signal(int sig , void *func ) ;
typedef struct _IO_FILE FILE;
extern int atoi(char const *s ) ;
extern double strtod(char const *str , char const *endptr ) ;
extern int fclose(void *stream ) ;
extern void *fopen(char const *filename , char const *mode ) ;
extern void abort() ;
extern void exit(int status ) ;
extern int raise(int sig ) ;
extern int fprintf(struct _IO_FILE *stream , char const *format , ...) ;
extern int strcmp(char const *a , char const *b ) ;
extern int rand() ;
extern unsigned long strtoul(char const *str , char const *endptr , int base ) ;
void RandomFunc(unsigned int input[1] , unsigned int output[1] ) ;
extern int strncmp(char const *s1 , char const *s2 , unsigned long maxlen ) ;
extern int gettimeofday(struct timeval *tv , void *tz , ...) ;
extern int printf(char const *format , ...) ;
int main(int argc , char *argv[] ) ;
void megaInit(void) ;
extern unsigned long strlen(char const *s ) ;
extern long strtol(char const *str , char const *endptr , int base ) ;
extern unsigned long strnlen(char const *s , unsigned long maxlen ) ;
extern void *memcpy(void *s1 , void const *s2 , unsigned long size ) ;
struct timeval {
long tv_sec ;
long tv_usec ;
};
extern void *malloc(unsigned long size ) ;
extern int scanf(char const *format , ...) ;
void megaInit(void)
{
{
}
}
void RandomFunc(unsigned int input[1] , unsigned int output[1] )
{
unsigned int state[1] ;
unsigned int local2 ;
unsigned int local1 ;
unsigned short copy11 ;
{
state[0UL] = (input[0UL] + 51238316UL) + 274866410U;
local1 = 0UL;
while (local1 < input[1UL]) {
local2 = 0UL;
while (local2 < input[1UL]) {
copy11 = *((unsigned short *)(& state[local2]) + 1);
*((unsigned short *)(& state[local2]) + 1) = *((unsigned short *)(& state[local2]) + 0);
*((unsigned short *)(& state[local2]) + 0) = copy11;
local2 ++;
}
local1 += 2UL;
}
output[0UL] = state[0UL] + 334155543UL;
}
}
int main(int argc , char *argv[] )
{
unsigned int input[1] ;
unsigned int output[1] ;
int randomFuns_i5 ;
unsigned int randomFuns_value6 ;
int randomFuns_main_i7 ;
{
megaInit();
if (argc != 2) {
printf("Call this program with %i arguments\n", 1);
exit(-1);
} else {
}
randomFuns_i5 = 0;
while (randomFuns_i5 < 1) {
randomFuns_value6 = (unsigned int )strtoul(argv[randomFuns_i5 + 1], 0, 10);
input[randomFuns_i5] = randomFuns_value6;
randomFuns_i5 ++;
}
RandomFunc(input, output);
if (output[0] == 660272614U) {
printf("You win!\n");
} else {
}
randomFuns_main_i7 = 0;
while (randomFuns_main_i7 < 1) {
printf("%u\n", output[randomFuns_main_i7]);
randomFuns_main_i7 ++;
}
}
}
|
the_stack_data/67576.c | #include <signal.h>
int sigwait(const sigset_t* restrict mask, int* restrict sig) {
siginfo_t si;
if (sigtimedwait(mask, &si, 0) < 0)
return -1;
*sig = si.si_signo;
return 0;
}
|
the_stack_data/843599.c | /* ttytest - iterates characters to see what happens to a terminal via
* the TIOCSTI ioctl. what state the terminal is in and what it is
* running will also be important, as for example zsh may be configured
* to react to certain characters, there may or may not be signal
* handlers, etc
*
* OpenBSD dropped support for the TIOCSTI ioctl */
#include <sys/ioctl.h>
#include <sys/stat.h>
#if defined(__FreeBSD__)
#include <sys/ttycom.h>
#endif
#include <err.h>
#include <fcntl.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <termios.h>
#include <unistd.h>
#define MS_TO_MICROSEC 1000U
struct termios old, new;
void cleanup(int sig);
int main(int argc, char *argv[])
{
int ch, fd;
if (argc != 2 || (fd = open(argv[1], O_WRONLY)) == -1)
err(EX_IOERR, "could not open device '%s'", argv[1]);
tcgetattr(STDIN_FILENO, &old);
signal(SIGHUP, cleanup);
signal(SIGINT, cleanup);
signal(SIGTERM, cleanup);
signal(SIGPIPE, cleanup);
signal(SIGALRM, cleanup);
signal(SIGUSR1, cleanup);
signal(SIGUSR2, cleanup);
signal(SIGTSTP, SIG_IGN);
new = old;
new.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &new);
for (unsigned char c = 0;; c++) {
// EOT may close terminal; this renders subsequent tests difficult
if (c == 4)
continue;
fprintf(stderr, "DBG write %i...\n", c);
ioctl(fd, TIOCSTI, &c);
if (c == UINT8_MAX)
break;
//usleep(1000 * MS_TO_MICROSEC);
ch = getchar();
}
cleanup(0);
exit(0);
}
void cleanup(int sig)
{
tcsetattr(STDIN_FILENO, TCSANOW, &old);
if (sig > 0) {
signal(sig, SIG_DFL);
raise(sig);
}
}
|
the_stack_data/243893648.c | /****************************************************************************
*
* Copyright (C) 2015 Mark Charlebois. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
//extern "C" {
void _Read_uleb( void )
{
}
void _Parse_fde_instr( void )
{
}
void _Parse_csd( void )
{
}
void _Locksyslock( void )
{
}
void _Unlocksyslock( void )
{
}
void _Valbytes( void )
{
}
void _Get_eh_data( void )
{
}
void _Parse_lsda( void )
{
}
void __cxa_guard_release( void )
{
}
void _Read_enc_ptr( void )
{
}
void _Read_sleb( void )
{
}
void __cxa_guard_acquire( void )
{
}
void __cxa_pure_virtual()
{
while (1);
}
//}
|
the_stack_data/154828766.c | # 1 "benchmarks/ds-07-impl1.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "benchmarks/ds-07-impl1.c"
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h"
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h" 1
# 132 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h"
int X_SIZE_VALUE = 0;
int overflow_mode = 1;
int rounding_mode = 0;
# 155 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h"
typedef struct {
double a[100];
int a_size;
double b[100];
int b_size;
double sample_time;
double a_uncertainty[100];
double b_uncertainty[100];
} digital_system;
typedef struct {
double A[4][4];
double B[4][4];
double C[4][4];
double D[4][4];
double states[4][4];
double outputs[4][4];
double inputs[4][4];
double K[4][4];
unsigned int nStates;
unsigned int nInputs;
unsigned int nOutputs;
} digital_system_state_space;
typedef struct {
int int_bits;
int frac_bits;
double max;
double min;
int default_realization;
double delta;
int scale;
double max_error;
} implementation;
typedef struct {
int push;
int in;
int sbiw;
int cli;
int out;
int std;
int ldd;
int subi;
int sbci;
int lsl;
int rol;
int add;
int adc;
int adiw;
int rjmp;
int mov;
int sbc;
int ld;
int rcall;
int cp;
int cpc;
int ldi;
int brge;
int pop;
int ret;
int st;
int brlt;
int cpi;
} instructions;
typedef struct {
long clock;
int device;
double cycle;
instructions assembly;
} hardware;
typedef struct{
float Ap, Ar, Ac;
float wp, wc, wr;
int type;
}filter_parameters;
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
# 1 "/usr/include/stdlib.h" 1 3 4
# 25 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 33 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 3 4
# 1 "/usr/include/features.h" 1 3 4
# 461 "/usr/include/features.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 1 3 4
# 452 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 453 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/long-double.h" 1 3 4
# 454 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 2 3 4
# 462 "/usr/include/features.h" 2 3 4
# 485 "/usr/include/features.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs-64.h" 1 3 4
# 11 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 2 3 4
# 486 "/usr/include/features.h" 2 3 4
# 34 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 2 3 4
# 26 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 209 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
# 209 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
typedef long unsigned int size_t;
# 321 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
typedef int wchar_t;
# 32 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/waitflags.h" 1 3 4
# 52 "/usr/include/x86_64-linux-gnu/bits/waitflags.h" 3 4
typedef enum
{
P_ALL,
P_PID,
P_PGID
} idtype_t;
# 40 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/waitstatus.h" 1 3 4
# 41 "/usr/include/stdlib.h" 2 3 4
# 55 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 1 3 4
# 120 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/long-double.h" 1 3 4
# 25 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 2 3 4
# 121 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 2 3 4
# 56 "/usr/include/stdlib.h" 2 3 4
typedef struct
{
int quot;
int rem;
} div_t;
typedef struct
{
long int quot;
long int rem;
} ldiv_t;
__extension__ typedef struct
{
long long int quot;
long long int rem;
} lldiv_t;
# 97 "/usr/include/stdlib.h" 3 4
extern size_t __ctype_get_mb_cur_max (void) __attribute__ ((__nothrow__ , __leaf__)) ;
extern double atof (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern int atoi (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern long int atol (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
__extension__ extern long long int atoll (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern double strtod (const char *__restrict __nptr,
char **__restrict __endptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern float strtof (const char *__restrict __nptr,
char **__restrict __endptr) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long double strtold (const char *__restrict __nptr,
char **__restrict __endptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 176 "/usr/include/stdlib.h" 3 4
extern long int strtol (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern unsigned long int strtoul (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern long long int strtoq (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern unsigned long long int strtouq (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern long long int strtoll (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern unsigned long long int strtoull (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 385 "/usr/include/stdlib.h" 3 4
extern char *l64a (long int __n) __attribute__ ((__nothrow__ , __leaf__)) ;
extern long int a64l (const char *__s)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
# 1 "/usr/include/x86_64-linux-gnu/sys/types.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 28 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/timesize.h" 1 3 4
# 29 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
typedef unsigned char __u_char;
typedef unsigned short int __u_short;
typedef unsigned int __u_int;
typedef unsigned long int __u_long;
typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef signed short int __int16_t;
typedef unsigned short int __uint16_t;
typedef signed int __int32_t;
typedef unsigned int __uint32_t;
typedef signed long int __int64_t;
typedef unsigned long int __uint64_t;
typedef __int8_t __int_least8_t;
typedef __uint8_t __uint_least8_t;
typedef __int16_t __int_least16_t;
typedef __uint16_t __uint_least16_t;
typedef __int32_t __int_least32_t;
typedef __uint32_t __uint_least32_t;
typedef __int64_t __int_least64_t;
typedef __uint64_t __uint_least64_t;
typedef long int __quad_t;
typedef unsigned long int __u_quad_t;
typedef long int __intmax_t;
typedef unsigned long int __uintmax_t;
# 141 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/typesizes.h" 1 3 4
# 142 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/time64.h" 1 3 4
# 143 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
typedef unsigned long int __dev_t;
typedef unsigned int __uid_t;
typedef unsigned int __gid_t;
typedef unsigned long int __ino_t;
typedef unsigned long int __ino64_t;
typedef unsigned int __mode_t;
typedef unsigned long int __nlink_t;
typedef long int __off_t;
typedef long int __off64_t;
typedef int __pid_t;
typedef struct { int __val[2]; } __fsid_t;
typedef long int __clock_t;
typedef unsigned long int __rlim_t;
typedef unsigned long int __rlim64_t;
typedef unsigned int __id_t;
typedef long int __time_t;
typedef unsigned int __useconds_t;
typedef long int __suseconds_t;
typedef int __daddr_t;
typedef int __key_t;
typedef int __clockid_t;
typedef void * __timer_t;
typedef long int __blksize_t;
typedef long int __blkcnt_t;
typedef long int __blkcnt64_t;
typedef unsigned long int __fsblkcnt_t;
typedef unsigned long int __fsblkcnt64_t;
typedef unsigned long int __fsfilcnt_t;
typedef unsigned long int __fsfilcnt64_t;
typedef long int __fsword_t;
typedef long int __ssize_t;
typedef long int __syscall_slong_t;
typedef unsigned long int __syscall_ulong_t;
typedef __off64_t __loff_t;
typedef char *__caddr_t;
typedef long int __intptr_t;
typedef unsigned int __socklen_t;
typedef int __sig_atomic_t;
# 30 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __u_char u_char;
typedef __u_short u_short;
typedef __u_int u_int;
typedef __u_long u_long;
typedef __quad_t quad_t;
typedef __u_quad_t u_quad_t;
typedef __fsid_t fsid_t;
typedef __loff_t loff_t;
typedef __ino_t ino_t;
# 59 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __dev_t dev_t;
typedef __gid_t gid_t;
typedef __mode_t mode_t;
typedef __nlink_t nlink_t;
typedef __uid_t uid_t;
typedef __off_t off_t;
# 97 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __pid_t pid_t;
typedef __id_t id_t;
typedef __ssize_t ssize_t;
typedef __daddr_t daddr_t;
typedef __caddr_t caddr_t;
typedef __key_t key_t;
# 1 "/usr/include/x86_64-linux-gnu/bits/types/clock_t.h" 1 3 4
typedef __clock_t clock_t;
# 127 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h" 1 3 4
typedef __clockid_t clockid_t;
# 129 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/time_t.h" 1 3 4
typedef __time_t time_t;
# 130 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/timer_t.h" 1 3 4
typedef __timer_t timer_t;
# 131 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 144 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 145 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef unsigned long int ulong;
typedef unsigned short int ushort;
typedef unsigned int uint;
# 1 "/usr/include/x86_64-linux-gnu/bits/stdint-intn.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-intn.h" 3 4
typedef __int8_t int8_t;
typedef __int16_t int16_t;
typedef __int32_t int32_t;
typedef __int64_t int64_t;
# 156 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __uint8_t u_int8_t;
typedef __uint16_t u_int16_t;
typedef __uint32_t u_int32_t;
typedef __uint64_t u_int64_t;
typedef int register_t __attribute__ ((__mode__ (__word__)));
# 176 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/endian.h" 1 3 4
# 24 "/usr/include/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/endian.h" 1 3 4
# 35 "/usr/include/x86_64-linux-gnu/bits/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/endianness.h" 1 3 4
# 36 "/usr/include/x86_64-linux-gnu/bits/endian.h" 2 3 4
# 25 "/usr/include/endian.h" 2 3 4
# 35 "/usr/include/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 1 3 4
# 33 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
static __inline __uint16_t
__bswap_16 (__uint16_t __bsx)
{
return __builtin_bswap16 (__bsx);
}
static __inline __uint32_t
__bswap_32 (__uint32_t __bsx)
{
return __builtin_bswap32 (__bsx);
}
# 69 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
__extension__ static __inline __uint64_t
__bswap_64 (__uint64_t __bsx)
{
return __builtin_bswap64 (__bsx);
}
# 36 "/usr/include/endian.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/uintn-identity.h" 1 3 4
# 32 "/usr/include/x86_64-linux-gnu/bits/uintn-identity.h" 3 4
static __inline __uint16_t
__uint16_identity (__uint16_t __x)
{
return __x;
}
static __inline __uint32_t
__uint32_identity (__uint32_t __x)
{
return __x;
}
static __inline __uint64_t
__uint64_identity (__uint64_t __x)
{
return __x;
}
# 37 "/usr/include/endian.h" 2 3 4
# 177 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/sys/select.h" 1 3 4
# 30 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/select.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/select.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/select.h" 2 3 4
# 31 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h" 1 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h" 1 3 4
typedef struct
{
unsigned long int __val[(1024 / (8 * sizeof (unsigned long int)))];
} __sigset_t;
# 5 "/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h" 2 3 4
typedef __sigset_t sigset_t;
# 34 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h" 1 3 4
struct timeval
{
__time_t tv_sec;
__suseconds_t tv_usec;
};
# 38 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 3 4
struct timespec
{
__time_t tv_sec;
__syscall_slong_t tv_nsec;
# 26 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 3 4
};
# 40 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
typedef __suseconds_t suseconds_t;
typedef long int __fd_mask;
# 59 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
typedef struct
{
__fd_mask __fds_bits[1024 / (8 * (int) sizeof (__fd_mask))];
} fd_set;
typedef __fd_mask fd_mask;
# 91 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 101 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
extern int select (int __nfds, fd_set *__restrict __readfds,
fd_set *__restrict __writefds,
fd_set *__restrict __exceptfds,
struct timeval *__restrict __timeout);
# 113 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
extern int pselect (int __nfds, fd_set *__restrict __readfds,
fd_set *__restrict __writefds,
fd_set *__restrict __exceptfds,
const struct timespec *__restrict __timeout,
const __sigset_t *__restrict __sigmask);
# 126 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 180 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __blksize_t blksize_t;
typedef __blkcnt_t blkcnt_t;
typedef __fsblkcnt_t fsblkcnt_t;
typedef __fsfilcnt_t fsfilcnt_t;
# 227 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 1 3 4
# 44 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 1 3 4
# 21 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 2 3 4
# 45 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
typedef struct __pthread_internal_list
{
struct __pthread_internal_list *__prev;
struct __pthread_internal_list *__next;
} __pthread_list_t;
typedef struct __pthread_internal_slist
{
struct __pthread_internal_slist *__next;
} __pthread_slist_t;
# 74 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 3 4
struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
int __owner;
unsigned int __nusers;
int __kind;
short __spins;
short __elision;
__pthread_list_t __list;
# 53 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 3 4
};
# 75 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
# 87 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 3 4
struct __pthread_rwlock_arch_t
{
unsigned int __readers;
unsigned int __writers;
unsigned int __wrphase_futex;
unsigned int __writers_futex;
unsigned int __pad3;
unsigned int __pad4;
int __cur_writer;
int __shared;
signed char __rwelision;
unsigned char __pad1[7];
unsigned long int __pad2;
unsigned int __flags;
# 55 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 3 4
};
# 88 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
struct __pthread_cond_s
{
__extension__ union
{
__extension__ unsigned long long int __wseq;
struct
{
unsigned int __low;
unsigned int __high;
} __wseq32;
};
__extension__ union
{
__extension__ unsigned long long int __g1_start;
struct
{
unsigned int __low;
unsigned int __high;
} __g1_start32;
};
unsigned int __g_refs[2] ;
unsigned int __g_size[2];
unsigned int __g1_orig_size;
unsigned int __wrefs;
unsigned int __g_signals[2];
};
# 24 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 2 3 4
typedef unsigned long int pthread_t;
typedef union
{
char __size[4];
int __align;
} pthread_mutexattr_t;
typedef union
{
char __size[4];
int __align;
} pthread_condattr_t;
typedef unsigned int pthread_key_t;
typedef int pthread_once_t;
union pthread_attr_t
{
char __size[56];
long int __align;
};
typedef union pthread_attr_t pthread_attr_t;
typedef union
{
struct __pthread_mutex_s __data;
char __size[40];
long int __align;
} pthread_mutex_t;
typedef union
{
struct __pthread_cond_s __data;
char __size[48];
__extension__ long long int __align;
} pthread_cond_t;
typedef union
{
struct __pthread_rwlock_arch_t __data;
char __size[56];
long int __align;
} pthread_rwlock_t;
typedef union
{
char __size[8];
long int __align;
} pthread_rwlockattr_t;
typedef volatile int pthread_spinlock_t;
typedef union
{
char __size[32];
long int __align;
} pthread_barrier_t;
typedef union
{
char __size[4];
int __align;
} pthread_barrierattr_t;
# 228 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 395 "/usr/include/stdlib.h" 2 3 4
extern long int random (void) __attribute__ ((__nothrow__ , __leaf__));
extern void srandom (unsigned int __seed) __attribute__ ((__nothrow__ , __leaf__));
extern char *initstate (unsigned int __seed, char *__statebuf,
size_t __statelen) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern char *setstate (char *__statebuf) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
struct random_data
{
int32_t *fptr;
int32_t *rptr;
int32_t *state;
int rand_type;
int rand_deg;
int rand_sep;
int32_t *end_ptr;
};
extern int random_r (struct random_data *__restrict __buf,
int32_t *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int srandom_r (unsigned int __seed, struct random_data *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
size_t __statelen,
struct random_data *__restrict __buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2, 4)));
extern int setstate_r (char *__restrict __statebuf,
struct random_data *__restrict __buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int rand (void) __attribute__ ((__nothrow__ , __leaf__));
extern void srand (unsigned int __seed) __attribute__ ((__nothrow__ , __leaf__));
extern int rand_r (unsigned int *__seed) __attribute__ ((__nothrow__ , __leaf__));
extern double drand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern double erand48 (unsigned short int __xsubi[3]) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long int lrand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern long int nrand48 (unsigned short int __xsubi[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long int mrand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern long int jrand48 (unsigned short int __xsubi[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void srand48 (long int __seedval) __attribute__ ((__nothrow__ , __leaf__));
extern unsigned short int *seed48 (unsigned short int __seed16v[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void lcong48 (unsigned short int __param[7]) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
struct drand48_data
{
unsigned short int __x[3];
unsigned short int __old_x[3];
unsigned short int __c;
unsigned short int __init;
__extension__ unsigned long long int __a;
};
extern int drand48_r (struct drand48_data *__restrict __buffer,
double *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int erand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
double *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int lrand48_r (struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int nrand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int mrand48_r (struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int jrand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int seed48_r (unsigned short int __seed16v[3],
struct drand48_data *__buffer) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int lcong48_r (unsigned short int __param[7],
struct drand48_data *__buffer)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern void *malloc (size_t __size) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__))
__attribute__ ((__alloc_size__ (1))) ;
extern void *calloc (size_t __nmemb, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) __attribute__ ((__alloc_size__ (1, 2))) ;
extern void *realloc (void *__ptr, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__warn_unused_result__)) __attribute__ ((__alloc_size__ (2)));
extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__warn_unused_result__))
__attribute__ ((__alloc_size__ (2, 3)));
extern void free (void *__ptr) __attribute__ ((__nothrow__ , __leaf__));
# 1 "/usr/include/alloca.h" 1 3 4
# 24 "/usr/include/alloca.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 25 "/usr/include/alloca.h" 2 3 4
extern void *alloca (size_t __size) __attribute__ ((__nothrow__ , __leaf__));
# 569 "/usr/include/stdlib.h" 2 3 4
extern void *valloc (size_t __size) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__))
__attribute__ ((__alloc_size__ (1))) ;
extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
extern void *aligned_alloc (size_t __alignment, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) __attribute__ ((__alloc_size__ (2))) ;
extern void abort (void) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern int atexit (void (*__func) (void)) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int at_quick_exit (void (*__func) (void)) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void quick_exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void _Exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern char *getenv (const char *__name) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 647 "/usr/include/stdlib.h" 3 4
extern int putenv (char *__string) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int setenv (const char *__name, const char *__value, int __replace)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int unsetenv (const char *__name) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int clearenv (void) __attribute__ ((__nothrow__ , __leaf__));
# 675 "/usr/include/stdlib.h" 3 4
extern char *mktemp (char *__template) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 688 "/usr/include/stdlib.h" 3 4
extern int mkstemp (char *__template) __attribute__ ((__nonnull__ (1))) ;
# 710 "/usr/include/stdlib.h" 3 4
extern int mkstemps (char *__template, int __suffixlen) __attribute__ ((__nonnull__ (1))) ;
# 731 "/usr/include/stdlib.h" 3 4
extern char *mkdtemp (char *__template) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 784 "/usr/include/stdlib.h" 3 4
extern int system (const char *__command) ;
# 800 "/usr/include/stdlib.h" 3 4
extern char *realpath (const char *__restrict __name,
char *__restrict __resolved) __attribute__ ((__nothrow__ , __leaf__)) ;
typedef int (*__compar_fn_t) (const void *, const void *);
# 820 "/usr/include/stdlib.h" 3 4
extern void *bsearch (const void *__key, const void *__base,
size_t __nmemb, size_t __size, __compar_fn_t __compar)
__attribute__ ((__nonnull__ (1, 2, 5))) ;
extern void qsort (void *__base, size_t __nmemb, size_t __size,
__compar_fn_t __compar) __attribute__ ((__nonnull__ (1, 4)));
# 840 "/usr/include/stdlib.h" 3 4
extern int abs (int __x) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern long int labs (long int __x) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
__extension__ extern long long int llabs (long long int __x)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern div_t div (int __numer, int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern ldiv_t ldiv (long int __numer, long int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
__extension__ extern lldiv_t lldiv (long long int __numer,
long long int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
# 872 "/usr/include/stdlib.h" 3 4
extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *gcvt (double __value, int __ndigit, char *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3))) ;
extern char *qecvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *qfcvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *qgcvt (long double __value, int __ndigit, char *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3))) ;
extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign, char *__restrict __buf,
size_t __len) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign, char *__restrict __buf,
size_t __len) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int qecvt_r (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int qfcvt_r (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int mblen (const char *__s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern int mbtowc (wchar_t *__restrict __pwc,
const char *__restrict __s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern int wctomb (char *__s, wchar_t __wchar) __attribute__ ((__nothrow__ , __leaf__));
extern size_t mbstowcs (wchar_t *__restrict __pwcs,
const char *__restrict __s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern size_t wcstombs (char *__restrict __s,
const wchar_t *__restrict __pwcs, size_t __n)
__attribute__ ((__nothrow__ , __leaf__));
extern int rpmatch (const char *__response) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 957 "/usr/include/stdlib.h" 3 4
extern int getsubopt (char **__restrict __optionp,
char *const *__restrict __tokens,
char **__restrict __valuep)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2, 3))) ;
# 1003 "/usr/include/stdlib.h" 3 4
extern int getloadavg (double __loadavg[], int __nelem)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 1013 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdlib-float.h" 1 3 4
# 1014 "/usr/include/stdlib.h" 2 3 4
# 1023 "/usr/include/stdlib.h" 3 4
# 18 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 1 "/usr/include/assert.h" 1 3 4
# 66 "/usr/include/assert.h" 3 4
extern void __assert_fail (const char *__assertion, const char *__file,
unsigned int __line, const char *__function)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert_perror_fail (int __errnum, const char *__file,
unsigned int __line, const char *__function)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert (const char *__assertion, const char *__file, int __line)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 1 "/usr/include/stdio.h" 1 3 4
# 27 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 28 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 34 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h" 1 3 4
# 40 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h" 3 4
typedef __builtin_va_list __gnuc_va_list;
# 37 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h" 1 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h" 1 3 4
# 13 "/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h" 3 4
typedef struct
{
int __count;
union
{
unsigned int __wch;
char __wchb[4];
} __value;
} __mbstate_t;
# 6 "/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h" 2 3 4
typedef struct _G_fpos_t
{
__off_t __pos;
__mbstate_t __state;
} __fpos_t;
# 40 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h" 3 4
typedef struct _G_fpos64_t
{
__off64_t __pos;
__mbstate_t __state;
} __fpos64_t;
# 41 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__FILE.h" 1 3 4
struct _IO_FILE;
typedef struct _IO_FILE __FILE;
# 42 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/FILE.h" 1 3 4
struct _IO_FILE;
typedef struct _IO_FILE FILE;
# 43 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h" 1 3 4
# 35 "/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h" 3 4
struct _IO_FILE;
struct _IO_marker;
struct _IO_codecvt;
struct _IO_wide_data;
typedef void _IO_lock_t;
struct _IO_FILE
{
int _flags;
char *_IO_read_ptr;
char *_IO_read_end;
char *_IO_read_base;
char *_IO_write_base;
char *_IO_write_ptr;
char *_IO_write_end;
char *_IO_buf_base;
char *_IO_buf_end;
char *_IO_save_base;
char *_IO_backup_base;
char *_IO_save_end;
struct _IO_marker *_markers;
struct _IO_FILE *_chain;
int _fileno;
int _flags2;
__off_t _old_offset;
unsigned short _cur_column;
signed char _vtable_offset;
char _shortbuf[1];
_IO_lock_t *_lock;
__off64_t _offset;
struct _IO_codecvt *_codecvt;
struct _IO_wide_data *_wide_data;
struct _IO_FILE *_freeres_list;
void *_freeres_buf;
size_t __pad5;
int _mode;
char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];
};
# 44 "/usr/include/stdio.h" 2 3 4
# 52 "/usr/include/stdio.h" 3 4
typedef __gnuc_va_list va_list;
# 84 "/usr/include/stdio.h" 3 4
typedef __fpos_t fpos_t;
# 133 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdio_lim.h" 1 3 4
# 134 "/usr/include/stdio.h" 2 3 4
extern FILE *stdin;
extern FILE *stdout;
extern FILE *stderr;
extern int remove (const char *__filename) __attribute__ ((__nothrow__ , __leaf__));
extern int rename (const char *__old, const char *__new) __attribute__ ((__nothrow__ , __leaf__));
extern int renameat (int __oldfd, const char *__old, int __newfd,
const char *__new) __attribute__ ((__nothrow__ , __leaf__));
# 173 "/usr/include/stdio.h" 3 4
extern FILE *tmpfile (void) ;
# 187 "/usr/include/stdio.h" 3 4
extern char *tmpnam (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;
extern char *tmpnam_r (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;
# 204 "/usr/include/stdio.h" 3 4
extern char *tempnam (const char *__dir, const char *__pfx)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) ;
extern int fclose (FILE *__stream);
extern int fflush (FILE *__stream);
# 227 "/usr/include/stdio.h" 3 4
extern int fflush_unlocked (FILE *__stream);
# 246 "/usr/include/stdio.h" 3 4
extern FILE *fopen (const char *__restrict __filename,
const char *__restrict __modes) ;
extern FILE *freopen (const char *__restrict __filename,
const char *__restrict __modes,
FILE *__restrict __stream) ;
# 279 "/usr/include/stdio.h" 3 4
extern FILE *fdopen (int __fd, const char *__modes) __attribute__ ((__nothrow__ , __leaf__)) ;
# 292 "/usr/include/stdio.h" 3 4
extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
__attribute__ ((__nothrow__ , __leaf__)) ;
extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __attribute__ ((__nothrow__ , __leaf__));
extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
int __modes, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
size_t __size) __attribute__ ((__nothrow__ , __leaf__));
extern void setlinebuf (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int fprintf (FILE *__restrict __stream,
const char *__restrict __format, ...);
extern int printf (const char *__restrict __format, ...);
extern int sprintf (char *__restrict __s,
const char *__restrict __format, ...) __attribute__ ((__nothrow__));
extern int vfprintf (FILE *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg);
extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);
extern int vsprintf (char *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg) __attribute__ ((__nothrow__));
extern int snprintf (char *__restrict __s, size_t __maxlen,
const char *__restrict __format, ...)
__attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 4)));
extern int vsnprintf (char *__restrict __s, size_t __maxlen,
const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 0)));
# 379 "/usr/include/stdio.h" 3 4
extern int vdprintf (int __fd, const char *__restrict __fmt,
__gnuc_va_list __arg)
__attribute__ ((__format__ (__printf__, 2, 0)));
extern int dprintf (int __fd, const char *__restrict __fmt, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
extern int fscanf (FILE *__restrict __stream,
const char *__restrict __format, ...) ;
extern int scanf (const char *__restrict __format, ...) ;
extern int sscanf (const char *__restrict __s,
const char *__restrict __format, ...) __attribute__ ((__nothrow__ , __leaf__));
extern int fscanf (FILE *__restrict __stream, const char *__restrict __format, ...) __asm__ ("" "__isoc99_fscanf")
;
extern int scanf (const char *__restrict __format, ...) __asm__ ("" "__isoc99_scanf")
;
extern int sscanf (const char *__restrict __s, const char *__restrict __format, ...) __asm__ ("" "__isoc99_sscanf") __attribute__ ((__nothrow__ , __leaf__))
;
# 432 "/usr/include/stdio.h" 3 4
extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg)
__attribute__ ((__format__ (__scanf__, 2, 0))) ;
extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__format__ (__scanf__, 1, 0))) ;
extern int vsscanf (const char *__restrict __s,
const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__format__ (__scanf__, 2, 0)));
extern int vfscanf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vfscanf")
__attribute__ ((__format__ (__scanf__, 2, 0))) ;
extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vscanf")
__attribute__ ((__format__ (__scanf__, 1, 0))) ;
extern int vsscanf (const char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vsscanf") __attribute__ ((__nothrow__ , __leaf__))
__attribute__ ((__format__ (__scanf__, 2, 0)));
# 485 "/usr/include/stdio.h" 3 4
extern int fgetc (FILE *__stream);
extern int getc (FILE *__stream);
extern int getchar (void);
extern int getc_unlocked (FILE *__stream);
extern int getchar_unlocked (void);
# 510 "/usr/include/stdio.h" 3 4
extern int fgetc_unlocked (FILE *__stream);
# 521 "/usr/include/stdio.h" 3 4
extern int fputc (int __c, FILE *__stream);
extern int putc (int __c, FILE *__stream);
extern int putchar (int __c);
# 537 "/usr/include/stdio.h" 3 4
extern int fputc_unlocked (int __c, FILE *__stream);
extern int putc_unlocked (int __c, FILE *__stream);
extern int putchar_unlocked (int __c);
extern int getw (FILE *__stream);
extern int putw (int __w, FILE *__stream);
extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
;
# 603 "/usr/include/stdio.h" 3 4
extern __ssize_t __getdelim (char **__restrict __lineptr,
size_t *__restrict __n, int __delimiter,
FILE *__restrict __stream) ;
extern __ssize_t getdelim (char **__restrict __lineptr,
size_t *__restrict __n, int __delimiter,
FILE *__restrict __stream) ;
extern __ssize_t getline (char **__restrict __lineptr,
size_t *__restrict __n,
FILE *__restrict __stream) ;
extern int fputs (const char *__restrict __s, FILE *__restrict __stream);
extern int puts (const char *__s);
extern int ungetc (int __c, FILE *__stream);
extern size_t fread (void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream) ;
extern size_t fwrite (const void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __s);
# 673 "/usr/include/stdio.h" 3 4
extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream) ;
extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream);
extern int fseek (FILE *__stream, long int __off, int __whence);
extern long int ftell (FILE *__stream) ;
extern void rewind (FILE *__stream);
# 707 "/usr/include/stdio.h" 3 4
extern int fseeko (FILE *__stream, __off_t __off, int __whence);
extern __off_t ftello (FILE *__stream) ;
# 731 "/usr/include/stdio.h" 3 4
extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
extern int fsetpos (FILE *__stream, const fpos_t *__pos);
# 757 "/usr/include/stdio.h" 3 4
extern void clearerr (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int feof (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int ferror (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void clearerr_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int feof_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int ferror_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void perror (const char *__s);
# 1 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 1 3 4
# 26 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 3 4
extern int sys_nerr;
extern const char *const sys_errlist[];
# 782 "/usr/include/stdio.h" 2 3 4
extern int fileno (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int fileno_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
# 800 "/usr/include/stdio.h" 3 4
extern FILE *popen (const char *__command, const char *__modes) ;
extern int pclose (FILE *__stream);
extern char *ctermid (char *__s) __attribute__ ((__nothrow__ , __leaf__));
# 840 "/usr/include/stdio.h" 3 4
extern void flockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int ftrylockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void funlockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
# 858 "/usr/include/stdio.h" 3 4
extern int __uflow (FILE *);
extern int __overflow (FILE *, int);
# 873 "/usr/include/stdio.h" 3 4
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
void __DSVERIFIER_assume(_Bool expression){
__CPROVER_assume(expression);
}
void __DSVERIFIER_assert(_Bool expression){
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
((void) sizeof ((
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ; else __assert_fail (
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
"expression"
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h", 36, __extension__ __PRETTY_FUNCTION__); }))
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
;
}
void __DSVERIFIER_assert_msg(_Bool expression, char * msg){
printf("%s", msg);
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
((void) sizeof ((
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ; else __assert_fail (
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
"expression"
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h", 41, __extension__ __PRETTY_FUNCTION__); }))
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
;
}
# 22 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 1
# 27 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 1 3 4
# 9 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 3 4
# 1 "/usr/include/stdint.h" 1 3 4
# 26 "/usr/include/stdint.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 27 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wchar.h" 1 3 4
# 29 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 30 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 3 4
typedef __uint8_t uint8_t;
typedef __uint16_t uint16_t;
typedef __uint32_t uint32_t;
typedef __uint64_t uint64_t;
# 38 "/usr/include/stdint.h" 2 3 4
typedef __int_least8_t int_least8_t;
typedef __int_least16_t int_least16_t;
typedef __int_least32_t int_least32_t;
typedef __int_least64_t int_least64_t;
typedef __uint_least8_t uint_least8_t;
typedef __uint_least16_t uint_least16_t;
typedef __uint_least32_t uint_least32_t;
typedef __uint_least64_t uint_least64_t;
typedef signed char int_fast8_t;
typedef long int int_fast16_t;
typedef long int int_fast32_t;
typedef long int int_fast64_t;
# 71 "/usr/include/stdint.h" 3 4
typedef unsigned char uint_fast8_t;
typedef unsigned long int uint_fast16_t;
typedef unsigned long int uint_fast32_t;
typedef unsigned long int uint_fast64_t;
# 87 "/usr/include/stdint.h" 3 4
typedef long int intptr_t;
typedef unsigned long int uintptr_t;
# 101 "/usr/include/stdint.h" 3 4
typedef __intmax_t intmax_t;
typedef __uintmax_t uintmax_t;
# 10 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 2 3 4
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 2
# 1 "/usr/include/inttypes.h" 1 3 4
# 34 "/usr/include/inttypes.h" 3 4
typedef int __gwchar_t;
# 266 "/usr/include/inttypes.h" 3 4
typedef struct
{
long int quot;
long int rem;
} imaxdiv_t;
# 290 "/usr/include/inttypes.h" 3 4
extern intmax_t imaxabs (intmax_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern imaxdiv_t imaxdiv (intmax_t __numer, intmax_t __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern intmax_t strtoimax (const char *__restrict __nptr,
char **__restrict __endptr, int __base) __attribute__ ((__nothrow__ , __leaf__));
extern uintmax_t strtoumax (const char *__restrict __nptr,
char ** __restrict __endptr, int __base) __attribute__ ((__nothrow__ , __leaf__));
extern intmax_t wcstoimax (const __gwchar_t *__restrict __nptr,
__gwchar_t **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__));
extern uintmax_t wcstoumax (const __gwchar_t *__restrict __nptr,
__gwchar_t ** __restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__));
# 432 "/usr/include/inttypes.h" 3 4
# 29 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 2
# 30 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
extern implementation impl;
typedef int64_t fxp_t;
fxp_t _fxp_one;
fxp_t _fxp_half;
fxp_t _fxp_minus_one;
fxp_t _fxp_min;
fxp_t _fxp_max;
double _dbl_max;
double _dbl_min;
fxp_t _fxp_fmask;
fxp_t _fxp_imask;
static const double scale_factor[31] = { 1.0, 2.0, 4.0, 8.0, 16.0, 32.0, 64.0,
128.0, 256.0, 512.0, 1024.0, 2048.0, 4096.0, 8192.0, 16384.0, 32768.0,
65536.0, 131072.0, 262144.0, 524288.0, 1048576.0, 2097152.0, 4194304.0,
8388608.0, 16777216.0, 33554432.0, 67108864.0, 134217728.0,
268435456.0, 536870912.0, 1073741824.0 };
static const double scale_factor_inv[31] = { 1.0, 0.5, 0.25, 0.125, 0.0625,
0.03125, 0.015625, 0.0078125, 0.00390625, 0.001953125, 0.0009765625,
0.00048828125, 0.000244140625, 0.0001220703125, 0.00006103515625,
0.000030517578125, 0.000015258789063, 0.000007629394531,
0.000003814697266, 0.000001907348633, 0.000000953674316,
0.000000476837158, 0.000000238418579, 0.000000119209290,
0.000000059604645, 0.000000029802322, 0.000000014901161,
0.000000007450581, 0.000000003725290, 0.000000001862645,
0.000000000931323 };
static const float rand_uni[10000] = { -0.486240329978498f, -0.0886462298529236f, -0.140307596103306f, 0.301096597450952f, 0.0993171079928659f, 0.971751769763271f, 0.985173975730828f, 0.555993645184930f, 0.582088652691427f, -0.153377496651175f, 0.383610009058905f, -0.335724126391271f, 0.978768141636516f, -0.276250018648572f, 0.390075705739569f, -0.179022404038782f, 0.690083827115783f, -0.872530132490992f, -0.970585763293203f, -0.581476053441704f, -0.532614615674888f, -0.239699306693312f, -0.678183014035494f, 0.349502640932782f, -0.210469890686263f, 0.841262085391842f, -0.473585465151401f, 0.659383565443701f, -0.651160036945754f, -0.961043527561335f, -0.0814927639199137f, 0.621303110569702f, -0.784529166943541f, 0.0238464770757800f, 0.392694728594110f, 0.776848735202001f, 0.0870059709310509f, 0.880563655271790f, 0.883457036977564f, -0.249235082877382f, -0.691040749216870f, 0.578731120064320f, -0.973932858000832f, -0.117699105431720f, -0.723831748151088f, -0.483149657477524f, -0.821277691383664f, -0.459725618100875f, 0.148175952221864f, 0.444306875534854f, -0.325610376336498f, 0.544142311404910f, -0.165319440455435f, 0.136706800705517f, 0.543312481350682f, 0.467210959764607f, -0.349266618228534f, -0.660110730565862f, 0.910332331495431f, 0.961049802789367f, -0.786168905164629f, 0.305648402726554f, 0.510815258508885f, 0.0950733260984060f, 0.173750645487898f, 0.144488668408672f, 0.0190031984466126f, -0.299194577636724f, 0.302411647442273f, -0.730462524226212f, 0.688646006554796f, 0.134948379722118f, 0.533716723458894f, -0.00226300779660438f, -0.561340777806718f, 0.450396313744017f, -0.569445876566955f, 0.954155246557698f, -0.255403882430676f, -0.759820984120828f, -0.855279790307514f, -0.147352581758156f, -0.302269055643746f, -0.642038024364086f, -0.367405981107491f, 0.491844011712164f, -0.542191710121194f, -0.938294043323732f, 0.683979894338020f, 0.294728290855287f, 0.00662691839443919f, -0.931040350582855f, 0.152356209974418f, 0.678620860551457f, -0.534989269238408f, 0.932096367913226f, -0.0361062818028513f, -0.847189697149530f, -0.975903030160255f, 0.623293205784014f, -0.661289688031659f, 0.724486055119603f, 0.307504095172835f, 0.00739266163731767f, -0.393681596442097f, 0.0313739422974388f, 0.0768157689673350f, -0.652063346886817f, 0.864188030044388f, -0.588932092781034f, 0.496015896758580f, -0.872858269231211f, 0.978780599551039f, -0.504887732991147f, -0.462378791937628f, 0.0141726829338038f, 0.769610007653591f, 0.945233033188923f, -0.782235375325016f, -0.832206533738799f, 0.745634368088673f, -0.696969510157151f, -0.0674631869948374f, -0.123186450806584f, -0.359158959141949f, -0.393882649464391f, 0.441371446689899f, -0.829394270569736f, -0.301502651277431f, -0.996215501187289f, 0.934634037393066f, -0.282431114746289f, -0.927550795619590f, -0.437037530043415f, -0.360426812995980f, 0.949549724575862f, 0.502784616197919f, 0.800771681422909f, -0.511398929004089f, 0.309288504642554f, -0.207261227890933f, 0.930587995125773f, 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# 102 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t wrap(fxp_t kX, fxp_t kLowerBound, fxp_t kUpperBound)
{
int32_t range_size = kUpperBound - kLowerBound + 1;
if (kX < kLowerBound){
kX += range_size * ((kLowerBound - kX) / range_size + 1);
}
return kLowerBound + (kX - kLowerBound) % range_size;
}
fxp_t fxp_get_int_part(fxp_t in) {
return ((in < 0) ? -((-in) & _fxp_imask) : in & _fxp_imask);
}
fxp_t fxp_get_frac_part(fxp_t in) {
return ((in < 0) ? -((-in) & _fxp_fmask) : in & _fxp_fmask);
}
float fxp_to_float(fxp_t fxp);
fxp_t fxp_quantize(fxp_t aquant) {
if (overflow_mode == 2) {
if(aquant < _fxp_min) {
return _fxp_min;
}
else if(aquant > _fxp_max) {
return _fxp_max;
}
}
else if (overflow_mode == 3) {
if(aquant < _fxp_min || aquant > _fxp_max) {
return wrap(aquant, _fxp_min, _fxp_max);
}
}
return (fxp_t) aquant;
}
void fxp_verify_overflow(fxp_t value){
fxp_quantize(value);
printf("An Overflow Occurred in system's output");
__DSVERIFIER_assert(value <= _fxp_max && value >= _fxp_min);
}
void fxp_verify_overflow_node(fxp_t value, char* msg){
if (3 == 2)
{
printf("%s",msg);
__DSVERIFIER_assert(value <= _fxp_max && value >= _fxp_min);
}
}
void fxp_verify_overflow_array(fxp_t array[], int n){
int i=0;
for(i=0; i<n;i++){
fxp_verify_overflow(array[i]);
}
}
fxp_t fxp_int_to_fxp(int in) {
fxp_t lin;
lin = (fxp_t) in*_fxp_one;
return lin;
}
int fxp_to_int(fxp_t fxp) {
if(fxp >= 0){
fxp += _fxp_half;
} else {
fxp -= _fxp_half;
}
fxp >>= impl.frac_bits;
return (int) fxp;
}
fxp_t fxp_float_to_fxp(float f) {
fxp_t tmp;
double ftemp;
ftemp = f * scale_factor[impl.frac_bits];
if(f >= 0) {
tmp = (fxp_t)(ftemp + 0.5);
}
else {
tmp = (fxp_t)(ftemp - 0.5);
}
return tmp;
}
fxp_t fxp_double_to_fxp(double value) {
fxp_t tmp;
double ftemp = value * scale_factor[impl.frac_bits];
if (rounding_mode == 0){
if(value >= 0) {
tmp = (fxp_t)(ftemp + 0.5);
}
else {
tmp = (fxp_t)(ftemp - 0.5);
}
} else if(rounding_mode == 1){
tmp = (fxp_t) ftemp;
double residue = ftemp - tmp;
if ((value < 0) && (residue != 0)){
ftemp = ftemp - 1;
tmp = (fxp_t) ftemp;
}
} else if (rounding_mode == 0){
tmp = (fxp_t) ftemp;
}
return tmp;
}
void fxp_float_to_fxp_array(float f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
r[i] = fxp_float_to_fxp(f[i]);
}
}
void fxp_double_to_fxp_array(double f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
r[i] = fxp_double_to_fxp(f[i]);
}
}
# 275 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
float fxp_to_float(fxp_t fxp) {
float f;
int f_int = (int) fxp;
f = f_int * scale_factor_inv[impl.frac_bits];
return f;
}
double fxp_to_double(fxp_t fxp) {
double f;
int f_int = (int) fxp;
f = f_int * scale_factor_inv[impl.frac_bits];
return f;
}
void fxp_to_float_array(float f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
f[i] = fxp_to_float(r[i]);
}
}
void fxp_to_double_array(double f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
f[i] = fxp_to_double(r[i]);
}
}
fxp_t fxp_abs(fxp_t a) {
fxp_t tmp;
tmp = ((a < 0) ? -(fxp_t)(a) : a);
tmp = fxp_quantize(tmp);
return tmp;
}
fxp_t fxp_add(fxp_t aadd, fxp_t badd) {
fxp_t tmpadd;
tmpadd = ((fxp_t)(aadd) + (fxp_t)(badd));
tmpadd = fxp_quantize(tmpadd);
return tmpadd;
}
fxp_t fxp_sub(fxp_t asub, fxp_t bsub) {
fxp_t tmpsub;
tmpsub = (fxp_t)((fxp_t)(asub) - (fxp_t)(bsub));
tmpsub = fxp_quantize(tmpsub);
return tmpsub;
}
fxp_t fxp_mult(fxp_t amult, fxp_t bmult) {
fxp_t tmpmult, tmpmultprec;
tmpmult = (fxp_t)((fxp_t)(amult)*(fxp_t)(bmult));
if (tmpmult >= 0) {
tmpmultprec = (tmpmult + ((tmpmult & 1 << (impl.frac_bits - 1)) << 1)) >> impl.frac_bits;
} else {
tmpmultprec = -(((-tmpmult) + (((-tmpmult) & 1 << (impl.frac_bits - 1)) << 1)) >> impl.frac_bits);
}
tmpmultprec = fxp_quantize(tmpmultprec);
return tmpmultprec;
}
# 372 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t fxp_div(fxp_t a, fxp_t b){
__DSVERIFIER_assume( b!=0 );
fxp_t tmpdiv = ((a << impl.frac_bits) / b);
tmpdiv = fxp_quantize(tmpdiv);
return tmpdiv;
}
fxp_t fxp_neg(fxp_t aneg) {
fxp_t tmpneg;
tmpneg = -(fxp_t)(aneg);
tmpneg = fxp_quantize(tmpneg);
return tmpneg;
}
# 398 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t fxp_sign(fxp_t a) {
return ((a == 0) ? 0 : ((a < 0) ? _fxp_minus_one : _fxp_one) );
}
fxp_t fxp_shrl(fxp_t in, int shift) {
return (fxp_t) (((unsigned int) in) >> shift);
}
fxp_t fxp_square(fxp_t a) {
return fxp_mult(a, a);
}
void fxp_print_int(fxp_t a) {
printf("\n%i", (int32_t)a);
}
void fxp_print_float(fxp_t a) {
printf("\n%f", fxp_to_float(a));
}
void fxp_print_float_array(fxp_t a[], int N) {
int i;
for(i = 0; i < N; ++i) {
printf("\n%f", fxp_to_float(a[i]));
}
}
void print_fxp_array_elements(char * name, fxp_t * v, int n){
printf("%s = {", name);
int i;
for(i=0; i < n; i++){
printf(" %jd ", v[i]);
}
printf("}\n");
}
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 1
# 24 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
void initialize_array(double v[], int n){
int i;
for(i=0; i<n; i++){
v[i] = 0;
}
}
void revert_array(double v[], double out[], int n){
initialize_array(out,n);
int i;
for(i=0; i<n; i++){
out[i] = v[n-i-1];
}
}
double internal_pow(double a, double b){
int i;
double acc = 1;
for (i=0; i < b; i++){
acc = acc*a;
}
return acc;
}
double internal_abs(double a){
return a < 0 ? -a : a;
}
int fatorial(int n){
return n == 0 ? 1 : n * fatorial(n-1);
}
int check_stability(double a[], int n){
int lines = 2 * n - 1;
int columns = n;
double m[lines][n];
int i,j;
double current_stability[n];
for (i=0; i < n; i++){
current_stability[i] = a[i];
}
double sum = 0;
for (i=0; i < n; i++){
sum += a[i];
}
if (sum <= 0){
printf("[DEBUG] the first constraint of Jury criteria failed: (F(1) > 0)");
return 0;
}
sum = 0;
for (i=0; i < n; i++){
sum += a[i] * internal_pow(-1, n-1-i);
}
sum = sum * internal_pow(-1, n-1);
if (sum <= 0){
printf("[DEBUG] the second constraint of Jury criteria failed: (F(-1)*(-1)^n > 0)");
return 0;
}
if (internal_abs(a[n-1]) > a[0]){
printf("[DEBUG] the third constraint of Jury criteria failed: (abs(a0) < a_{n}*z^{n})");
return 0;
}
for (i=0; i < lines; i++){
for (j=0; j < columns; j++){
m[i][j] = 0;
}
}
for (i=0; i < lines; i++){
for (j=0; j < columns; j++){
if (i == 0){
m[i][j] = a[j];
continue;
}
if (i % 2 != 0 ){
int x;
for(x=0; x<columns;x++){
m[i][x] = m[i-1][columns-x-1];
}
columns = columns - 1;
j = columns;
}else{
m[i][j] = m[i-2][j] - (m[i-2][columns] / m[i-2][0]) * m[i-1][j];
}
}
}
int first_is_positive = m[0][0] >= 0 ? 1 : 0;
for (i=0; i < lines; i++){
if (i % 2 == 0){
int line_is_positive = m[i][0] >= 0 ? 1 : 0;
if (first_is_positive != line_is_positive){
return 0;
}
continue;
}
}
return 1;
}
void poly_sum(double a[], int Na, double b[], int Nb, double ans[], int Nans){
int i;
Nans = Na>Nb? Na:Nb;
for (i=0; i<Nans; i++){
if (Na>Nb){
ans[i]=a[i];
if (i > Na-Nb-1){
ans[i]=ans[i]+b[i-Na+Nb];
}
}else {
ans[i]=b[i];
if (i> Nb - Na -1){
ans[i]=ans[i]+a[i-Nb+Na];
}
}
}
}
void poly_mult(double a[], int Na, double b[], int Nb, double ans[], int Nans){
int i;
int j;
int k;
Nans = Na+Nb-1;
for (i=0; i<Na; i++){
for (j=0; j<Nb; j++){
k= Na + Nb - i - j - 2;
ans[k]=0;
}
}
for (i=0; i<Na; i++){
for (j=0; j<Nb; j++){
k= Na + Nb - i - j - 2;
ans[k]=ans[k]+a[Na - i - 1]*b[Nb - j - 1];
}
}
}
void double_check_oscillations(double * y, int y_size){
__DSVERIFIER_assume(y[0] != y[y_size - 1]);
int window_timer = 0;
int window_count = 0;
int i, j;
for (i = 2; i < y_size; i++){
int window_size = i;
for(j=0; j<y_size; j++){
if (window_timer > window_size){
window_timer = 0;
window_count = 0;
}
int window_index = j + window_size;
if (window_index < y_size){
if (y[j] == y[window_index]){
window_count++;
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
((void) sizeof ((
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
!(window_count == window_size)
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
!(window_count == window_size)
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
) ; else __assert_fail (
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
"!(window_count == window_size)"
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h", 209, __extension__ __PRETTY_FUNCTION__); }))
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
;
}
}else{
break;
}
window_timer++;
}
}
}
void double_check_limit_cycle(double * y, int y_size){
double reference = y[y_size - 1];
int idx = 0;
int window_size = 1;
for(idx = (y_size-2); idx >= 0; idx--){
if (y[idx] != reference){
window_size++;
}else{
break;
}
}
__DSVERIFIER_assume(window_size != y_size && window_size != 1);
printf("window_size %d\n", window_size);
int desired_elements = 2 * window_size;
int found_elements = 0;
for(idx = (y_size-1); idx >= 0; idx--){
if (idx > (y_size-window_size-1)){
printf("%.0f == %.0f\n", y[idx], y[idx-window_size]);
int cmp_idx = idx - window_size;
if ((cmp_idx > 0) && (y[idx] == y[idx-window_size])){
found_elements = found_elements + 2;
}else{
break;
}
}
}
printf("desired_elements %d\n", desired_elements);
printf("found_elements %d\n", found_elements);
__DSVERIFIER_assert(desired_elements != found_elements);
}
void double_check_persistent_limit_cycle(double * y, int y_size){
int idy = 0;
int count_same = 0;
int window_size = 0;
double reference = y[0];
for(idy = 0; idy < y_size; idy++){
if (y[idy] != reference){
window_size++;
} else if (window_size != 0){
break;
} else {
count_same++;
}
}
window_size += count_same;
__DSVERIFIER_assume(window_size > 1 && window_size <= y_size/2);
double lco_elements[window_size];
for(idy = 0; idy < y_size; idy++){
if (idy < window_size){
lco_elements[idy] = y[idy];
}
}
idy = 0;
int lco_idy = 0;
_Bool is_persistent = 0;
while (idy < y_size){
if(y[idy++] == lco_elements[lco_idy++]){
is_persistent = 1;
}else{
is_persistent = 0;
break;
}
if (lco_idy == window_size){
lco_idy = 0;
}
}
__DSVERIFIER_assert(is_persistent == 0);
}
void print_array_elements(char * name, double * v, int n){
printf("%s = {", name);
int i;
for(i=0; i < n; i++){
printf(" %.32f ", v[i]);
}
printf("}\n");
}
void double_add_matrix( unsigned int lines, unsigned int columns, double m1[4][4], double m2[4][4], double result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
result[i][j] = m1[i][j] + m2[i][j];
}
}
}
void double_sub_matrix( unsigned int lines, unsigned int columns, double m1[4][4], double m2[4][4], double result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
result[i][j] = m1[i][j] - m2[i][j];
}
}
}
void double_matrix_multiplication( unsigned int i1, unsigned int j1, unsigned int i2, unsigned int j2, double m1[4][4], double m2[4][4], double m3[4][4]){
unsigned int i, j, k;
if (j1 == i2) {
for (i=0; i<i1; i++) {
for (j=0; j<j2; j++) {
m3[i][j] = 0;
}
}
for (i=0;i<i1; i++) {
for (j=0; j<j2; j++) {
for (k=0; k<j1; k++) {
double mult = (m1[i][k] * m2[k][j]);
m3[i][j] = m3[i][j] + (m1[i][k] * m2[k][j]);
}
}
}
} else {
printf("\nError! Operation invalid, please enter with valid matrices.\n");
}
}
void fxp_matrix_multiplication( unsigned int i1, unsigned int j1, unsigned int i2, unsigned int j2, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t m3[4][4]){
unsigned int i, j, k;
if (j1 == i2) {
for (i=0; i<i1; i++) {
for (j=0; j<j2; j++) {
m3[i][j] = 0;
}
}
for (i=0;i<i1; i++) {
for (j=0; j<j2; j++) {
for (k=0; k<j1; k++) {
m3[i][j] = fxp_add( m3[i][j], fxp_mult(m1[i][k] , m2[k][j]));
}
}
}
} else {
printf("\nError! Operation invalid, please enter with valid matrices.\n");
}
}
void fxp_exp_matrix(unsigned int lines, unsigned int columns, fxp_t m1[4][4], unsigned int expNumber, fxp_t result[4][4]){
unsigned int i, j, l, k;
fxp_t m2[4][4];
if(expNumber == 0){
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
if(i == j){
result[i][j] = fxp_double_to_fxp(1.0);
} else {
result[i][j] = 0.0;
}
}
}
return;
}
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = m1[i][j];
if(expNumber == 1){
return;
}
for(l = 1; l < expNumber; l++){
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) m2[i][j] = result[i][j];
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = 0;
for (i=0;i<lines; i++) {
for (j=0; j<columns; j++) {
for (k=0; k<columns; k++) {
result[i][j] = fxp_add( result[i][j], fxp_mult(m2[i][k] , m1[k][j]));
}
}
}
}
}
void double_exp_matrix(unsigned int lines, unsigned int columns, double m1[4][4], unsigned int expNumber, double result[4][4]){
unsigned int i, j, k, l;
double m2[4][4];
if(expNumber == 0){
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
if(i == j){
result[i][j] = 1.0;
} else {
result[i][j] = 0.0;
}
}
}
return;
}
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = m1[i][j];
if(expNumber == 1){
return;
}
for(l = 1; l < expNumber; l++){
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) m2[i][j] = result[i][j];
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = 0;
for (i=0;i<lines; i++) {
for (j=0; j<columns; j++) {
for (k=0; k<columns; k++) {
result[i][j] = result[i][j] + (m2[i][k] * m1[k][j]);
}
}
}
}
}
void fxp_add_matrix( unsigned int lines, unsigned int columns, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) {
result[i][j] = fxp_add(m1[i][j] , m2[i][j]);
}
}
void fxp_sub_matrix( unsigned int lines, unsigned int columns, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = fxp_sub(m1[i][j] , m2[i][j]);
}
void print_matrix(double matrix[4][4], unsigned int lines, unsigned int columns){
printf("\nMatrix\n=====================\n\n");
unsigned int i, j;
for (i=0; i<lines; i++) {
for (j=0; j<columns; j++) {
printf("#matrix[%d][%d]: %2.2f ", i,j,matrix[i][j]);
}
printf("\n");
}
printf("\n");
}
double determinant(double a[4][4],int n)
{
int i,j,j1,j2;
double det = 0;
double m[4][4];
if (n < 1) {
} else if (n == 1) {
det = a[0][0];
} else if (n == 2) {
det = a[0][0] * a[1][1] - a[1][0] * a[0][1];
} else {
det = 0;
for (j1=0;j1<n;j1++) {
for (i=0;i<n-1;i++)
for (i=1;i<n;i++) {
j2 = 0;
for (j=0;j<n;j++) {
if (j == j1)
continue;
m[i-1][j2] = a[i][j];
j2++;
}
}
det += internal_pow(-1.0,1.0+j1+1.0) * a[0][j1] * determinant(m,n-1);
}
}
return(det);
}
double fxp_determinant(fxp_t a_fxp[4][4],int n)
{
int i,j,j1,j2;
double a[4][4];
for(i=0; i<n;i++){
for(j=0; j<n;j++){
a[i][j]= fxp_to_double(a_fxp[i][j]);
}
}
double det = 0;
double m[4][4];
if (n < 1) {
} else if (n == 1) {
det = a[0][0];
} else if (n == 2) {
det = a[0][0] * a[1][1] - a[1][0] * a[0][1];
} else {
det = 0;
for (j1=0;j1<n;j1++) {
for (i=0;i<n-1;i++)
for (i=1;i<n;i++) {
j2 = 0;
for (j=0;j<n;j++) {
if (j == j1)
continue;
m[i-1][j2] = a[i][j];
j2++;
}
}
det += internal_pow(-1.0,1.0+j1+1.0) * a[0][j1] * determinant(m,n-1);
}
}
return(det);
}
void transpose(double a[4][4], double b[4][4],int n, int m)
{
int i,j;
for (i=0;i<n;i++) {
for (j=0;j<m;j++) {
b[j][i] = a[i][j];
}
}
}
void fxp_transpose(fxp_t a[4][4], fxp_t b[4][4],int n, int m)
{
int i,j;
for (i=0;i<n;i++) {
for (j=0;j<m;j++) {
b[j][i] = a[i][j];
}
}
}
# 24 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
extern int generic_timer;
extern hardware hw;
double generic_timing_shift_l_double(double zIn, double z[], int N) {
generic_timer += ((2 * hw.assembly.push) + (3 * hw.assembly.in) + (3 * hw.assembly.out) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (8 * hw.assembly.std));
int i;
double zOut;
zOut = z[0];
generic_timer += ((5 * hw.assembly.ldd) + (2 * hw.assembly.mov) + (4 * hw.assembly.std) + (1 * hw.assembly.ld));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (i = 0; i < N - 1; i++) {
generic_timer += ((17 * hw.assembly.ldd) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (6 * hw.assembly.mov) + (2 * hw.assembly.adiw) + (5 * hw.assembly.std) + (1 * hw.assembly.ld) + (1 * hw.assembly.st) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbc)+ (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
z[i] = z[i + 1];
}
z[N - 1] = zIn;
generic_timer += ((12 * hw.assembly.ldd) + (6 * hw.assembly.mov) + (3 * hw.assembly.std) + (2 * hw.assembly.lsl) + (2 * hw.assembly.rol) + (1 * hw.assembly.adc) + (1 * hw.assembly.add) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in)+ (1 * hw.assembly.cli));
generic_timer += ((3 * hw.assembly.out) + (2 * hw.assembly.pop) + (1 * hw.assembly.ret));
return (zOut);
}
double generic_timing_shift_r_double(double zIn, double z[], int N) {
generic_timer += ((2 * hw.assembly.push) + (3 * hw.assembly.in) + (3 * hw.assembly.out) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (8 * hw.assembly.std));
int i;
double zOut;
zOut = z[N - 1];
generic_timer += ((7 * hw.assembly.ldd) + (2 * hw.assembly.rol) + (2 * hw.assembly.lsl) + (2 * hw.assembly.mov) + (4 * hw.assembly.std) + (1 * hw.assembly.add) + (1 * hw.assembly.adc) + (1 * hw.assembly.ld) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci));
generic_timer += ((2 * hw.assembly.ldd) + (2 * hw.assembly.std) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.rjmp));
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
generic_timer += ((15 * hw.assembly.ldd) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (4 * hw.assembly.mov) + (5 * hw.assembly.std) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.ld) + (1 * hw.assembly.st) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
}
z[0] = zIn;
generic_timer += ((10 * hw.assembly.ldd) + (5 * hw.assembly.mov) + (3 * hw.assembly.std) + (3 * hw.assembly.out) + (2 * hw.assembly.pop) + (1 * hw.assembly.ret) + (1 * hw.assembly.ret) + (1 * hw.assembly.cli) + (1 * hw.assembly.in) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw));
return zOut;
}
fxp_t shiftL(fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
fxp_t shiftR(fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
float shiftLfloat(float zIn, float z[], int N) {
int i;
float zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
float shiftRfloat(float zIn, float z[], int N) {
int i;
float zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
double shiftRDdouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
double shiftRdouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
double shiftLDouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
void shiftLboth(float zfIn, float zf[], fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
float zfOut;
zOut = z[0];
zfOut = zf[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
zf[i] = zf[i + 1];
}
z[N - 1] = zIn;
zf[N - 1] = zfIn;
}
void shiftRboth(float zfIn, float zf[], fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
float zfOut;
zOut = z[N - 1];
zfOut = zf[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
zf[i] = zf[i - 1];
}
z[0] = zIn;
zf[0] = zfIn;
}
int order(int Na, int Nb) {
return Na > Nb ? Na - 1 : Nb - 1;
}
void fxp_check_limit_cycle(fxp_t y[], int y_size){
fxp_t reference = y[y_size - 1];
int idx = 0;
int window_size = 1;
for(idx = (y_size-2); idx >= 0; idx--){
if (y[idx] != reference){
window_size++;
}else{
break;
}
}
__DSVERIFIER_assume(window_size != y_size && window_size != 1);
printf("window_size %d\n", window_size);
int desired_elements = 2 * window_size;
int found_elements = 0;
for(idx = (y_size-1); idx >= 0; idx--){
if (idx > (y_size-window_size-1)){
printf("%.0f == %.0f\n", y[idx], y[idx-window_size]);
int cmp_idx = idx - window_size;
if ((cmp_idx > 0) && (y[idx] == y[idx-window_size])){
found_elements = found_elements + 2;
}else{
break;
}
}
}
__DSVERIFIER_assume(found_elements > 0);
printf("desired_elements %d\n", desired_elements);
printf("found_elements %d\n", found_elements);
__DSVERIFIER_assume(found_elements == desired_elements);
__DSVERIFIER_assert(0);
}
void fxp_check_persistent_limit_cycle(fxp_t * y, int y_size){
int idy = 0;
int count_same = 0;
int window_size = 0;
fxp_t reference = y[0];
for(idy = 0; idy < y_size; idy++){
if (y[idy] != reference){
window_size++;
} else if (window_size != 0){
break;
} else {
count_same++;
}
}
window_size += count_same;
__DSVERIFIER_assume(window_size > 1 && window_size <= y_size/2);
fxp_t lco_elements[window_size];
for(idy = 0; idy < y_size; idy++){
if (idy < window_size){
lco_elements[idy] = y[idy];
}
}
idy = 0;
int lco_idy = 0;
_Bool is_persistent = 0;
while (idy < y_size){
if(y[idy++] == lco_elements[lco_idy++]){
is_persistent = 1;
}else{
is_persistent = 0;
break;
}
if (lco_idy == window_size){
lco_idy = 0;
}
}
__DSVERIFIER_assert(is_persistent == 0);
}
void fxp_check_oscillations(fxp_t y[] , int y_size){
__DSVERIFIER_assume((y[0] != y[y_size - 1]) && (y[y_size - 1] != y[y_size - 2]));
int window_timer = 0;
int window_count = 0;
int i, j;
for (i = 2; i < y_size; i++){
int window_size = i;
for(j=0; j<y_size; j++){
if (window_timer > window_size){
window_timer = 0;
window_count = 0;
}
int window_index = j + window_size;
if (window_index < y_size){
if (y[j] == y[window_index]){
window_count++;
__DSVERIFIER_assert(!(window_count == window_size));
}
}else{
break;
}
window_timer++;
}
}
}
int fxp_ln(int x) {
int t, y;
y = 0xa65af;
if (x < 0x00008000)
x <<= 16, y -= 0xb1721;
if (x < 0x00800000)
x <<= 8, y -= 0x58b91;
if (x < 0x08000000)
x <<= 4, y -= 0x2c5c8;
if (x < 0x20000000)
x <<= 2, y -= 0x162e4;
if (x < 0x40000000)
x <<= 1, y -= 0x0b172;
t = x + (x >> 1);
if ((t & 0x80000000) == 0)
x = t, y -= 0x067cd;
t = x + (x >> 2);
if ((t & 0x80000000) == 0)
x = t, y -= 0x03920;
t = x + (x >> 3);
if ((t & 0x80000000) == 0)
x = t, y -= 0x01e27;
t = x + (x >> 4);
if ((t & 0x80000000) == 0)
x = t, y -= 0x00f85;
t = x + (x >> 5);
if ((t & 0x80000000) == 0)
x = t, y -= 0x007e1;
t = x + (x >> 6);
if ((t & 0x80000000) == 0)
x = t, y -= 0x003f8;
t = x + (x >> 7);
if ((t & 0x80000000) == 0)
x = t, y -= 0x001fe;
x = 0x80000000 - x;
y -= x >> 15;
return y;
}
double fxp_log10_low(double x) {
int xint = (int) (x * 65536.0 + 0.5);
int lnum = fxp_ln(xint);
int lden = fxp_ln(655360);
return ((double) lnum / (double) lden);
}
double fxp_log10(double x) {
if (x > 32767.0) {
if (x > 1073676289.0) {
x = x / 1073676289.0;
return fxp_log10_low(x) + 9.030873362;
}
x = x / 32767.0;
return fxp_log10_low(x) + 4.515436681;
}
return fxp_log10_low(x);
}
float snrVariance(float s[], float n[], int blksz) {
int i;
double sm = 0, nm = 0, sv = 0, nv = 0, snr;
for (i = 0; i < blksz; i++) {
sm += s[i];
nm += n[i];
}
sm /= blksz;
nm /= blksz;
for (i = 0; i < blksz; i++) {
sv += (s[i] - sm) * (s[i] - sm);
nv += (n[i] - nm) * (n[i] - nm);
}
if (nv != 0.0f) {
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"sv >= nv"
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 373, __extension__ __PRETTY_FUNCTION__); }))
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
snr = sv / nv;
return snr;
} else {
return 9999.9f;
}
}
float snrPower(float s[], float n[], int blksz) {
int i;
double sv = 0, nv = 0, snr;
for (i = 0; i < blksz; i++) {
sv += s[i] * s[i];
nv += n[i] * n[i];
}
if (nv != 0.0f) {
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"sv >= nv"
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 394, __extension__ __PRETTY_FUNCTION__); }))
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
snr = sv / nv;
return snr;
} else {
return 9999.9f;
}
}
float snrPoint(float s[], float n[], int blksz) {
int i;
double ratio = 0, power = 0;
for (i = 0; i < blksz; i++) {
if(n[i] == 0) continue;
ratio = s[i] / n[i];
if(ratio > 150.0f || ratio < -150.0f) continue;
power = ratio * ratio;
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
power >= 1.0f
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
power >= 1.0f
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"power >= 1.0f"
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 412, __extension__ __PRETTY_FUNCTION__); }))
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
}
return 9999.9f;
}
unsigned long next = 1;
int rand(void)
{
next = next*1103515245 + 12345;
return (unsigned int)(next/65536) % 32768;
}
void srand(unsigned int seed)
{
next = seed;
}
float iirIIOutTime(float w[], float x, float a[], float b[], int Na, int Nb) {
int timer1 = 0;
float *a_ptr, *b_ptr, *w_ptr;
float sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
timer1 += 71;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
timer1 += 54;
}
w[0] += x;
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
timer1 += 46;
}
timer1 += 38;
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 450, __extension__ __PRETTY_FUNCTION__); }))
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return sum;
}
float iirIItOutTime(float w[], float x, float a[], float b[], int Na, int Nb) {
int timer1 = 0;
float *a_ptr, *b_ptr;
float yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 477, __extension__ __PRETTY_FUNCTION__); }))
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return yout;
}
double iirIItOutTime_double(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 504, __extension__ __PRETTY_FUNCTION__); }))
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return yout;
}
void iirOutBoth(float yf[], float xf[], float af[], float bf[], float *sumf_ref,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t *sum_ref, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
fxp_t sum = 0;
float sumf = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
af_ptr = &af[1];
yf_ptr = &yf[Na - 1];
bf_ptr = &bf[0];
xf_ptr = &xf[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *x_ptr--));
sumf += *bf_ptr++ * *xf_ptr--;
}
for (j = 1; j < Na; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr++, *y_ptr--));
sumf -= *af_ptr++ * *yf_ptr--;
}
*sum_ref = sum;
*sumf_ref = sumf;
}
fxp_t iirOutFixedL(fxp_t y[], fxp_t x[], fxp_t xin, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[j] = y[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[Na - 1] = sum;
return sum;
}
float iirOutFloatL(float y[], float x[], float xin, float a[], float b[], int Na, int Nb) {
float *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum += *b_ptr-- * *x_ptr++;
}
x[Nb - 1] = xin;
sum += *b_ptr-- * *x_ptr++;
for (j = 1; j < Na - 1; j++) {
sum -= *a_ptr-- * *y_ptr++;
y[j] = y[j+1];
}
if(Na>1) sum -= *a_ptr-- * *y_ptr++;
y[Na - 1] = sum;
return sum;
}
float iirOutBothL(float yf[], float xf[], float af[], float bf[], float xfin,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t xin, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
float sumf = 0;
af_ptr = &af[Na - 1];
yf_ptr = &yf[1];
bf_ptr = &bf[Nb - 1];
xf_ptr = &xf[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
xf[i] = xf[i+1];
sumf += *bf_ptr-- * *xf_ptr++;
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
xf[Nb - 1] = xfin;
sumf += *bf_ptr-- * *xf_ptr++;
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[j] = y[j+1];
sumf -= *af_ptr-- * *yf_ptr++;
yf[j] = yf[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[Na - 1] = sum;
if(Na>1) sumf -= *af_ptr-- * *yf_ptr++;
yf[Na - 1] = sumf;
return fxp_to_float(sum) - sumf;
}
float iirOutBothL2(float yf[], float xf[], float af[], float bf[], float xfin,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t xin, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
float sumf = 0;
af_ptr = &af[Na - 1];
yf_ptr = &yf[1];
bf_ptr = &bf[Nb - 1];
xf_ptr = &xf[0];
int i=0, j=1;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(b[Nb - 1 - i], x[i]));
xf[i] = xf[i+1];
sumf += bf[Nb - 1 - i] * xf[i];
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(b[Nb - 1 - i], x[i]));
xf[Nb - 1] = xfin;
sumf += bf[Nb - 1 - i] * xf[i];
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(a[Na - j], y[j]));
y[j] = y[j+1];
sumf -= af[Na - j] * yf[j];
yf[j] = yf[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(a[Na - j], y[j]));
y[Na - 1] = sum;
if(Na>1) sumf -= af[Na - j] * yf[j];
yf[Na - 1] = sumf;
return fxp_to_float(sum) - sumf;
}
# 25 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
extern digital_system ds;
extern hardware hw;
extern int generic_timer;
fxp_t fxp_direct_form_1(fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *x_ptr--));
}
for (j = 1; j < Na; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr++, *y_ptr--));
}
fxp_verify_overflow_node(sum, "An Overflow Occurred in the node a0");
sum = fxp_div(sum,a[0]);
return fxp_quantize(sum);
}
fxp_t fxp_direct_form_2(fxp_t w[], fxp_t x, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *b_ptr, *w_ptr;
fxp_t sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] = fxp_sub(w[0], fxp_mult(*a_ptr++, *w_ptr++));
}
w[0] = fxp_add(w[0], x);
w[0] = fxp_div(w[0], a[0]);
fxp_verify_overflow_node(w[0], "An Overflow Occurred in the node b0");
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *w_ptr++));
}
return fxp_quantize(sum);
}
fxp_t fxp_transposed_direct_form_2(fxp_t w[], fxp_t x, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *b_ptr;
fxp_t yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = fxp_add(fxp_mult(*b_ptr++, x), w[0]);
yout = fxp_div(yout, a[0]);
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] = fxp_sub(w[j], fxp_mult(*a_ptr++, yout));
}
if (j < Nb - 1) {
w[j] = fxp_add(w[j], fxp_mult(*b_ptr++, x));
}
}
fxp_verify_overflow_node(w[j], "An Overflow Occurred in the node a0");
return fxp_quantize(yout);
}
double double_direct_form_1(double y[], double x[], double a[], double b[], int Na, int Nb) {
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum += *b_ptr++ * *x_ptr--;
}
for (j = 1; j < Na; j++) {
sum -= *a_ptr++ * *y_ptr--;
}
sum = (sum / a[0]);
return sum;
}
double double_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
}
return sum;
}
double double_transposed_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
yout = yout / a[0];
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
}
return yout;
}
float float_direct_form_1(float y[], float x[], float a[], float b[], int Na, int Nb) {
float *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum += *b_ptr++ * *x_ptr--;
}
for (j = 1; j < Na; j++) {
sum -= *a_ptr++ * *y_ptr--;
}
sum = (sum / a[0]);
return sum;
}
float float_direct_form_2(float w[], float x, float a[], float b[], int Na, int Nb) {
float *a_ptr, *b_ptr, *w_ptr;
float sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
}
return sum;
}
float float_transposed_direct_form_2(float w[], float x, float a[], float b[], int Na, int Nb) {
float *a_ptr, *b_ptr;
float yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
yout = yout / a[0];
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
}
return yout;
}
double double_direct_form_1_MSP430(double y[], double x[], double a[], double b[], int Na, int Nb){
int timer1 = 0;
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na-1];
b_ptr = &b[0];
x_ptr = &x[Nb-1];
int i, j;
timer1 += 91;
for (i = 0; i < Nb; i++){
sum += *b_ptr++ * *x_ptr--;
timer1 += 47;
}
for (j = 1; j < Na; j++){
sum -= *a_ptr++ * *y_ptr--;
timer1 += 57;
}
timer1 += 3;
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 235, __extension__ __PRETTY_FUNCTION__); }))
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return sum;
}
double double_direct_form_2_MSP430(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
timer1 += 71;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
timer1 += 54;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
timer1 += 46;
}
timer1 += 38;
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 262, __extension__ __PRETTY_FUNCTION__); }))
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return sum;
}
double double_transposed_direct_form_2_MSP430(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 291, __extension__ __PRETTY_FUNCTION__); }))
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return yout;
}
double generic_timing_double_direct_form_1(double y[], double x[], double a[], double b[], int Na, int Nb){
generic_timer += ((6 * hw.assembly.push) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (12 * hw.assembly.std));
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na-1];
b_ptr = &b[0];
x_ptr = &x[Nb-1];
generic_timer += ((12 * hw.assembly.std) + (12 * hw.assembly.ldd) + (2 * hw.assembly.subi) + (2 * hw.assembly.sbci) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (1 * hw.assembly.adiw));
int i, j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (i = 0; i < Nb; i++){
generic_timer += ((20 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.sbc) + (10 * hw.assembly.std) + (2 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
sum += *b_ptr++ * *x_ptr--;
}
generic_timer += ((2 * hw.assembly.ldi) + (2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 1; j < Na; j++){
generic_timer += ((22 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.subi) + (8 * hw.assembly.std) + (1 * hw.assembly.sbci) + (2 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (1 * hw.assembly.sbc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
sum -= *a_ptr++ * *y_ptr--;
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (6 * hw.assembly.pop) + (1 * hw.assembly.ret));
return sum;
}
double generic_timing_double_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
generic_timer += ((8 * hw.assembly.push) + (14 * hw.assembly.std) + (3 * hw.assembly.out) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli));
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
generic_timer += ((10 * hw.assembly.std) + (6 * hw.assembly.ldd) + (2 * hw.assembly.adiw));
generic_timer += ((2 * hw.assembly.ldi) + (2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
generic_timer += ((23 * hw.assembly.ldd) + (32 * hw.assembly.mov) + (9 * hw.assembly.std) + (2 * hw.assembly.subi) + (3 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (2 * hw.assembly.sbci) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brge));
}
w[0] += x;
w_ptr = &w[0];
generic_timer += ((13 * hw.assembly.ldd) + (12 * hw.assembly.mov) + (5 * hw.assembly.std) + (1 * hw.assembly.st) + (1 * hw.assembly.ld) + (1 * hw.assembly.rcall));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
generic_timer += ((20 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (10 * hw.assembly.std) + (2 * hw.assembly.rcall) + (2 * hw.assembly.ld) + (2 * hw.assembly.subi) + (2 * hw.assembly.sbci) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (8 * hw.assembly.pop) + (1 * hw.assembly.ret));
return sum;
}
double generic_timing_double_transposed_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
generic_timer += ((8 * hw.assembly.push) + (14 * hw.assembly.std) + (3 * hw.assembly.out) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli));
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
generic_timer += ((15 * hw.assembly.std) + (22 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.rcall) + (2 * hw.assembly.ld) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.brge) + (1 * hw.assembly.adiw));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
generic_timer += ((70 * hw.assembly.mov) + (65 * hw.assembly.ldd) + (12 * hw.assembly.lsl) + (12 * hw.assembly.rol) + (15 * hw.assembly.std) + (6 * hw.assembly.add) + (6 * hw.assembly.adc) + (2 * hw.assembly.adiw) + (3 * hw.assembly.cpc) + (3 * hw.assembly.cp) + (5 * hw.assembly.ld) + (4 * hw.assembly.rcall) + (5 * hw.assembly.subi) + (3 * hw.assembly.rjmp) + (2 * hw.assembly.brlt) + (3 * hw.assembly.st) + (2 * hw.assembly.sbci) + (3 * hw.assembly.sbc) + (1 * hw.assembly.brge));
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (8 * hw.assembly.pop) + (3 * hw.assembly.out) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (1 * hw.assembly.adiw) + (1 * hw.assembly.ret));
return yout;
}
void double_direct_form_1_impl2(double x[], int x_size, double b[], int b_size, double a[], int a_size, double y[]){
int i = 0; int j = 0;
double v[x_size];
for(i = 0; i < x_size; i++){
v[i] = 0;
for(j = 0; j < b_size; j++){
if (j > i) break;
v[i] = v[i] + x[i-j] * b[j];
}
}
y[0] = v[0];
for(i = 1; i < x_size; i++){
y[i] = 0;
y[i] = y[i] + v[i];
for(j = 1; j < a_size; j++){
if (j > i) break;
y[i] = y[i] + y[i-j] * ((-1) * a[j]);
}
}
}
void fxp_direct_form_1_impl2(fxp_t x[], int x_size, fxp_t b[], int b_size, fxp_t a[], int a_size, fxp_t y[]){
int i = 0; int j = 0;
fxp_t v[x_size];
for(i = 0; i < x_size; i++){
v[i] = 0;
for(j = 0; j < b_size; j++){
if (j > i) break;
v[i] = fxp_add(v[i], fxp_mult(x[i-j], b[j]));
}
}
y[0] = v[0];
for(i = 1; i < x_size; i++){
y[i] = 0;
y[i] = fxp_add(y[i], v[i]);
for(j = 1; j < a_size; j++){
if (j > i) break;
y[i] = fxp_add(y[i], fxp_mult(y[i-j] , -a[j]));
}
}
}
# 26 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h"
# 1 "/usr/include/assert.h" 1 3 4
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 2
# 1 "/usr/include/assert.h" 1 3 4
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 2
int nchoosek(int n, int k){
if (k == 0)
return 1;
return (n * nchoosek(n - 1, k - 1)) / k;
}
void generate_delta_coefficients(double vetor[], double out[], int n, double delta){
int i,j;
int N = n - 1;
double sum_delta_operator;
for(i=0; i<=N; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + vetor[j]*nchoosek(N-j,i-j);
}
out[i] = internal_pow(delta,N-i)*sum_delta_operator;
}
}
void get_delta_transfer_function(double b[], double b_out[], int b_size, double a[], double a_out[], int a_size, double delta){
generate_delta_coefficients(b, b_out, b_size, delta);
generate_delta_coefficients(a, a_out, a_size, delta);
}
void get_delta_transfer_function_with_base(double b[], double b_out[], int b_size, double a[], double a_out[], int a_size, double delta){
int i,j;
int N = a_size - 1;
int M = b_size - 1;
double sum_delta_operator;
for(i=0; i<=N; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + a[j]*nchoosek(N-j,i-j);
}
a_out[i] = internal_pow(delta,N-i)*sum_delta_operator;
}
for(i=0; i<=M; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + b[j]*nchoosek(M-j,i-j);
}
b_out[i] = internal_pow(delta,M-i)*sum_delta_operator;
}
}
# 27 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/closed-loop.h" 1
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/closed-loop.h"
void ft_closedloop_series(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
Nans_num = Nc_num + Nmodel_num - 1;
Nans_den = Nc_den + Nmodel_den - 1 ;
double den_mult [Nans_den];
poly_mult(c_num, Nc_num, model_num, Nmodel_num, ans_num, Nans_num);
poly_mult(c_den, Nc_den, model_den, Nmodel_den, den_mult, Nans_den );
poly_sum(ans_num, Nans_num , den_mult, Nans_den , ans_den, Nans_den);
}
void ft_closedloop_sensitivity(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
int Nans_num_p = Nc_num + Nmodel_num-1;
Nans_den = Nc_den + Nmodel_den-1;
Nans_num = Nc_den + Nmodel_den-1;
double num_mult [Nans_num_p];
poly_mult(c_den, Nc_den, model_den, Nmodel_den, ans_num, Nans_num);
poly_mult(c_num, Nc_num, model_num, Nmodel_num, num_mult, Nans_num_p);
poly_sum(ans_num, Nans_num, num_mult, Nans_num_p, ans_den, Nans_den);
}
void ft_closedloop_feedback(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
Nans_num = Nc_den + Nmodel_num - 1;
Nans_den = Nc_den + Nmodel_den - 1;
int Nnum_mult = Nc_num + Nmodel_num - 1;
double den_mult [Nans_den];
double num_mult [Nnum_mult];
poly_mult(c_num, Nc_num, model_num, Nmodel_num, num_mult, Nnum_mult);
poly_mult(c_den, Nc_den, model_den, Nmodel_den, den_mult, Nans_den);
poly_sum(num_mult, Nnum_mult, den_mult, Nans_den, ans_den, Nans_den);
poly_mult(c_den, Nc_den, model_num, Nmodel_num, ans_num, Nans_num);
}
int check_stability_closedloop(double a[], int n, double plant_num[], int p_num_size, double plant_den[], int p_den_size){
int columns = n;
double m[2 * n - 1][n];
int i,j;
int first_is_positive = 0;
double * p_num = plant_num;
double * p_den = plant_den;
double sum = 0;
for (i=0; i < n; i++){
sum += a[i];
}
__DSVERIFIER_assert(sum > 0);
sum = 0;
for (i=0; i < n; i++){
sum += a[i] * internal_pow(-1, n-1-i);
}
sum = sum * internal_pow(-1, n-1);
__DSVERIFIER_assert(sum > 0);
__DSVERIFIER_assert(internal_abs(a[n-1]) < a[0]);
for (i=0; i < 2 * n - 1; i++){
for (j=0; j < columns; j++){
m[i][j] = 0;
if (i == 0){
m[i][j] = a[j];
continue;
}
if (i % 2 != 0 ){
int x;
for(x=0; x<columns;x++){
m[i][x] = m[i-1][columns-x-1];
}
columns = columns - 1;
j = columns;
}else{
__DSVERIFIER_assert(m[i-2][0] > 0);
m[i][j] = m[i-2][j] - (m[i-2][columns] / m[i-2][0]) * m[i-1][j];
__DSVERIFIER_assert((m[0][0] >= 0) && (m[i][0] >= 0));
}
}
}
return 1;
}
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
extern digital_system ds;
extern digital_system plant;
extern digital_system control;
extern implementation impl;
extern filter_parameters filter;
extern hardware hw;
void initialization(){
if (impl.frac_bits >= 32){
printf("impl.frac_bits must be less than word width!\n");
}
if (impl.int_bits >= 32 - impl.frac_bits){
printf("impl.int_bits must be less than word width subtracted by precision!\n");
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
((void) sizeof ((
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
0
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
0
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
) ; else __assert_fail (
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
"0"
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h", 33, __extension__ __PRETTY_FUNCTION__); }))
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
;
}
if(impl.frac_bits >= 31){
_fxp_one = 0x7fffffff;
}else{
_fxp_one = (0x00000001 << impl.frac_bits);
}
_fxp_half = (0x00000001 << (impl.frac_bits - 1));
_fxp_minus_one = -(0x00000001 << impl.frac_bits);
_fxp_min = -(0x00000001 << (impl.frac_bits + impl.int_bits - 1));
_fxp_max = (0x00000001 << (impl.frac_bits + impl.int_bits - 1)) - 1;
_fxp_fmask = ((((int32_t) 1) << impl.frac_bits) - 1);
_fxp_imask = ((0x80000000) >> (32 - impl.frac_bits - 1));
_dbl_min = _fxp_min;
_dbl_min /= (1 << impl.frac_bits);
_dbl_max = _fxp_max;
_dbl_max /= (1 << impl.frac_bits);
if ((impl.scale == 0) || (impl.scale == 1)){
impl.scale = 1;
return;
}
if (impl.min != 0){
impl.min = impl.min / impl.scale;
}
if (impl.max != 0){
impl.max = impl.max / impl.scale;
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
}
# 29 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/state-space.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/state-space.h"
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
double double_state_space_representation(void){
double result1[4][4];
double result2[4][4];
int i, j;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
return _controller.outputs[0][0];
}
double fxp_state_space_representation(void){
fxp_t result1[4][4];
fxp_t result2[4][4];
int i, j;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t D_fpx[4][4];
fxp_t states_fpx[4][4];
fxp_t inputs_fpx[4][4];
fxp_t outputs_fpx[4][4];
for(i=0; i<4;i++){
for(j=0; j<4;j++){
A_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
B_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
C_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
D_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
states_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
inputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
D_fpx[i][j]= fxp_double_to_fxp(_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
states_fpx[i][j]= fxp_double_to_fxp(_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
inputs_fpx[i][j]= fxp_double_to_fxp(_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]= fxp_double_to_fxp(_controller.outputs[i][j]);
}
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,C_fpx,states_fpx,result1);
fxp_matrix_multiplication(nOutputs,nInputs,nInputs,1,D_fpx,inputs_fpx,result2);
fxp_add_matrix(nOutputs,
1,
result1,
result2,
outputs_fpx);
fxp_matrix_multiplication(nStates,nStates,nStates,1,A_fpx,states_fpx,result1);
fxp_matrix_multiplication(nStates,nInputs,nInputs,1,B_fpx,inputs_fpx,result2);
fxp_add_matrix(nStates,
1,
result1,
result2,
states_fpx);
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= fxp_to_double(states_fpx[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j]= fxp_to_double(outputs_fpx[i][j]);
}
}
return _controller.outputs[0][0];
}
# 30 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/filter_functions.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/filter_functions.h"
double sinTyl(double x, int precision){
double sine;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
sine = aux;
if (precision >= 1)
{
aux = x;
sine += aux;
if (precision >= 2)
{
aux = aux*xsquared;
sine -= aux/6;
if (precision >= 3)
{
aux = aux*xsquared;
sine +=aux/120;
if(precision >=4)
{
aux = aux*xsquared;
sine -=aux/5040;
if(precision >= 5)
{
aux = aux*xsquared;
sine +=aux/362880;
if(precision >= 6)
{
aux = aux*xsquared;
sine -=aux/39916800;
if (precision >= 7)
printf("Warning: Function sinTyl "
"from bmc/core/filter_functions.h: Precision "
"representation exceeded. Assuming maximum precision of 6\n");
}
}
}
}
}
}
}
return sine;
}
double cosTyl(double x, int precision){
double cosine;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function cosTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
cosine = aux;
if (precision >= 1)
{
aux = 1;
cosine = 1;
if (precision >= 2)
{
aux = xsquared;
cosine -= aux/2;
if (precision >= 3)
{
aux = aux*xsquared;
cosine += aux/24;
if(precision >=4)
{
aux = aux*xsquared;
cosine -=aux/720;
if(precision >= 5)
{
aux = aux*xsquared;
cosine +=aux/40320;
if(precision >= 6)
{
aux = aux*xsquared;
cosine -=aux/3628800;
if (precision >= 7) printf("Warning: Function sinTyl "
"from bmc/core/filter_functions.h: Precision "
"representation exceeded. Assuming maximum precision of 6\n");
}
}
}
}
}
}
}
return cosine;
}
double atanTyl(double x, int precision){
double atangent;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
atangent = aux;
if (precision >= 1)
{
aux = x;
atangent = aux;
if (precision >= 2)
{
aux = xsquared;
atangent -= aux/3;
if (precision >= 3)
{
aux = aux*xsquared;
atangent += aux/5;
if(precision >=4)
{
aux = aux*xsquared;
atangent -=aux/7;
if (precision >= 7)
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision representation exceeded. Assuming maximum precision of 4\n");
}
}
}
}
}
return atangent;
}
float sqrt1(const float x)
{
const float xhalf = 0.5f*x;
union
{
float x;
int i;
} u;
u.x = x;
u.i = 0x5f3759df - (u.i >> 1);
return x*u.x*(1.5f - xhalf*u.x*u.x);
}
float sqrt2(const float x)
{
union
{
int i;
float x;
} u;
u.x = x;
u.i = (1<<29) + (u.i >> 1) - (1<<22);
return u.x;
}
float fabsolut(float x)
{
if (x < 0)
x = -x;
return x;
}
static float sqrt3(float val)
{
float x = val/10;
float dx;
double diff;
double min_tol = 0.00001;
int i, flag;
flag = 0;
if (val == 0 ) x = 0;
else
{
for (i=1;i<20;i++)
{
if (!flag)
{
dx = (val - (x*x)) / (2.0 * x);
x = x + dx;
diff = val - (x*x);
if (fabsolut(diff) <= min_tol) flag = 1;
}
else x =x;
}
}
return (x);
}
# 31 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_overflow(void) {
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 73 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
shiftL(x[i], xaux, ds.b_size);
y[i] = fxp_direct_form_1(yaux, xaux, a_fxp, b_fxp, ds.a_size, ds.b_size);
shiftL(y[i], yaux, ds.a_size);
# 174 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
}
overflow_mode = 1;
fxp_verify_overflow_array(y, X_SIZE_VALUE);
return 0;
}
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 1
# 15 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
int verify_limit_cycle_state_space(void){
double stateMatrix[4][4];
double outputMatrix[4][4];
double arrayLimitCycle[4];
double result1[4][4];
double result2[4][4];
int i, j, k;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
stateMatrix[i][j]=0;
outputMatrix[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
k = 0;
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
int l;
for(l = 0; l < nStates; l++){
stateMatrix[l][k] = _controller.states[l][0];
}
for(l = 0; l < nOutputs; l++){
stateMatrix[l][k] = _controller.outputs[l][0];
}
k++;
}
printf("#matrix STATES -------------------------------");
print_matrix(stateMatrix,nStates,0);
printf("#matrix OUTPUTS -------------------------------");
print_matrix(outputMatrix,nOutputs,0);
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 93, __extension__ __PRETTY_FUNCTION__); }))
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
for(i=0; i<nStates;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = stateMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
for(i=0; i<nOutputs;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = outputMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 110, __extension__ __PRETTY_FUNCTION__); }))
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
}
int verify_limit_cycle(void){
overflow_mode = 3;
int i;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
__DSVERIFIER_assert(X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na);
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 168 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t xaux[ds.b_size];
int nondet_constant_input = nondet_int();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = nondet_constant_input;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t y0[ds.a_size];
fxp_t waux[Nw];
fxp_t w0[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = nondet_int();
__DSVERIFIER_assume(yaux[i] >= min_fxp && yaux[i] <= max_fxp);
y0[i] = yaux[i];
}
# 213 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
shiftL(x[i], xaux, ds.b_size);
y[i] = fxp_direct_form_1(yaux, xaux, a_fxp, b_fxp, ds.a_size, ds.b_size);
shiftL(y[i], yaux, ds.a_size);
# 278 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 34 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
extern digital_system ds;
extern implementation impl;
int verify_error(void){
overflow_mode = 2;
double a_cascade[100];
int a_cascade_size;
double b_cascade[100];
int b_cascade_size;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 69 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
double yf[X_SIZE_VALUE];
double xf[X_SIZE_VALUE];
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
double yfaux[ds.a_size];
double xfaux[ds.b_size];
double wfaux[Nw];
int i;
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
yfaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
xfaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
wfaux[i] = 0;
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
yf[i] = 0.0f;
xf[i] = fxp_to_double(x[i]);
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
shiftL(x[i], xaux, ds.b_size);
y[i] = fxp_direct_form_1(yaux, xaux, a_fxp, b_fxp, ds.a_size, ds.b_size);
shiftL(y[i], yaux, ds.a_size);
shiftLDouble(xf[i], xfaux, ds.b_size);
yf[i] = double_direct_form_1(yfaux, xfaux, ds.a, ds.b, ds.a_size, ds.b_size);
shiftLDouble(yf[i], yfaux, ds.a_size);
# 169 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
double absolute_error = yf[i] - fxp_to_double(y[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 35 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 1
# 13 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
int verify_zero_input_limit_cycle(void){
overflow_mode = 3;
int i,j;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
((void) sizeof ((
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ; else __assert_fail (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
"X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na"
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h", 23, __extension__ __PRETTY_FUNCTION__); }))
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 71 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = 0;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
fxp_t y0[ds.a_size];
fxp_t w0[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = nondet_int();
__DSVERIFIER_assume(yaux[i] >= min_fxp && yaux[i] <= max_fxp);
y0[i] = yaux[i];
}
# 111 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
for(i=0; i<X_SIZE_VALUE; ++i){
shiftL(x[i], xaux, ds.b_size);
y[i] = fxp_direct_form_1(yaux, xaux, a_fxp, b_fxp, ds.a_size, ds.b_size);
shiftL(y[i], yaux, ds.a_size);
# 188 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
extern hardware hw;
int generic_timer = 0;
int verify_generic_timing(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
double initial_timer = generic_timer;
for (i = 0; i < X_SIZE_VALUE; ++i) {
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.adiw) + (2 * hw.assembly.std));
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.cpi) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
generic_timing_shift_l_double(x[i], xaux, ds.b_size);
y[i] = generic_timing_double_direct_form_1(yaux, xaux, ds.a, ds.b, ds.a_size, ds.b_size);
generic_timing_shift_l_double(y[i], yaux, ds.a_size);
# 88 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
double spent_time = (((double) generic_timer) * hw.cycle);
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
((void) sizeof ((
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ; else __assert_fail (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
"spent_time <= ds.sample_time"
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h", 89, __extension__ __PRETTY_FUNCTION__); }))
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
;
generic_timer = initial_timer;
}
return 0;
}
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_timing_msp_430(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
shiftL(x[i], xaux, ds.b_size);
y[i] = double_direct_form_1_MSP430(yaux, xaux, ds.a, ds.b, ds.a_size, ds.b_size);
shiftL(y[i], yaux, ds.a_size);
# 121 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
}
return 0;
}
# 38 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
extern digital_system ds;
extern implementation impl;
int verify_stability(void){
overflow_mode = 0;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
((void) sizeof ((
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ; else __assert_fail (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
"check_stability(_a, ds.a_size)"
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h", 37, __extension__ __PRETTY_FUNCTION__); }))
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
;
# 83 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
return 0;
}
# 39 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
extern digital_system ds;
extern implementation impl;
int verify_minimum_phase(void){
overflow_mode = 0;
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
__DSVERIFIER_assert(check_stability(_b, ds.b_size));
# 85 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
return 0;
}
# 40 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_stability_closedloop_using_dslib(void){
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
# 48 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.a;
int p_den_size = plant.a_size;
double ans_num[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
# 68 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
printf("Verifying stability for closedloop function\n");
__DSVERIFIER_assert(check_stability_closedloop(ans_den, ans_den_size, p_num, p_num_size, p_den, p_den_size));
return 0;
}
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
double nondet_double();
int verify_limit_cycle_closed_loop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
# 58 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.a;
int p_den_size = plant.a_size;
double ans_num[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
int i;
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
double xaux[ans_num_size];
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= impl.min && nondet_constant_input <= impl.max);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ans_num_size; ++i) {
xaux[i] = nondet_constant_input;
}
double yaux[ans_den_size];
double y0[ans_den_size];
int Nw = ans_den_size > ans_num_size ? ans_den_size : ans_num_size;
double waux[Nw];
double w0[Nw];
for (i = 0; i < ans_den_size; ++i) {
yaux[i] = nondet_int();
__DSVERIFIER_assume(yaux[i] >= impl.min && yaux[i] <= impl.max);
y0[i] = yaux[i];
}
# 112 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
shiftLDouble(x[i], xaux, ans_num_size);
y[i] = double_direct_form_1(yaux, xaux, ans_den, ans_num, ans_den_size, ans_num_size);
shiftLDouble(y[i], yaux, ans_den_size);
# 137 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
}
double_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 42 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_error_closedloop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
# 56 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.a;
int p_den_size = plant.a_size;
double ans_num_double[100];
double ans_num_qtz[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den_qtz[100];
double ans_den_double[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
# 77 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
int i;
double y_qtz[X_SIZE_VALUE];
double y_double[X_SIZE_VALUE];
double x_qtz[X_SIZE_VALUE];
double x_double[X_SIZE_VALUE];
double xaux_qtz[ans_num_size];
double xaux_double[ans_num_size];
double xaux[ans_num_size];
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= impl.min && nondet_constant_input <= impl.max);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x_qtz[i] = nondet_constant_input;
x_double[i] = nondet_constant_input;
y_qtz[i] = 0;
y_double[i] = 0;
}
for (i = 0; i < ans_num_size; ++i) {
xaux_qtz[i] = nondet_constant_input;
xaux_double[i] = nondet_constant_input;
}
double yaux_qtz[ans_den_size];
double yaux_double[ans_den_size];
double y0_qtz[ans_den_size];
double y0_double[ans_den_size];
int Nw = ans_den_size > ans_num_size ? ans_den_size : ans_num_size;
double waux_qtz[Nw];
double waux_double[Nw];
double w0_qtz[Nw];
double w0_double[Nw];
for (i = 0; i < ans_den_size; ++i) {
yaux_qtz[i] = 0;
yaux_double[i] = 0;
}
for(i=0; i<X_SIZE_VALUE; ++i){
shiftLDouble(x_qtz[i], xaux_qtz, ans_num_size);
y_qtz[i] = double_direct_form_1(yaux_qtz, xaux_qtz, ans_den_qtz, ans_num_qtz, ans_den_size, ans_num_size);
shiftLDouble(y_qtz[i], yaux_qtz, ans_den_size);
shiftLDouble(x_double[i], xaux_double, ans_num_size);
y_double[i] = double_direct_form_1(yaux_double, xaux_double, ans_den_double, ans_num_double, ans_den_size, ans_num_size);
shiftLDouble(y_double[i], yaux_double, ans_den_size);
# 156 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
double absolute_error = y_double[i] - fxp_to_double(y_qtz[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 43 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double new_state[4][4];
double new_stateFWL[4][4];
digital_system_state_space _controller_fxp;
digital_system_state_space _controller_double;
double ss_system_quantization_error(fxp_t inputs){
digital_system_state_space __backupController;
int i;
int j;
_controller.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
__backupController.A[i][j]= (_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
__backupController.B[i][j]= (_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
__backupController.C[i][j]= (_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
__backupController.D[i][j]= (_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
__backupController.states[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
__backupController.inputs[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
__backupController.outputs[i][j]= (_controller.outputs[i][j]);
}
}
double __quant_error = 0.0;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_state[i][j]);
}
}
double output_double = double_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
__backupController.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
_controller.A[i][j] = __backupController.A[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
_controller.B[i][j] = __backupController.B[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
_controller.C[i][j] = __backupController.C[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
_controller.D[i][j] = __backupController.D[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j] = __backupController.states[i][j];
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
_controller.inputs[i][j] = __backupController.inputs[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j] = __backupController.outputs[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_stateFWL[i][j]);
}
}
double output_fxp = fxp_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
__quant_error = output_double - output_fxp;
return __quant_error;
}
double fxp_ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double temp_result1[4][4];
double result2[4][4];
double temp_states[4][4];
fxp_t K_fxp[4][4];
fxp_t states_fxp[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_fxp.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
reference_aux[i][j]=0;
K_fxp[i][j] = 0;
}
}
for(i=0; i<nInputs;i++){
reference_aux[i][0]= reference;
}
for(i=0; i<4;i++){
states_fxp[i][0]=0;
}
for(i=0; i<nStates;i++){
K_fxp[0][i]= fxp_double_to_fxp(_controller_fxp.K[0][i]);
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for(k=0; k<nStates;k++)
{
states_fxp[k][0]= fxp_double_to_fxp(_controller_fxp.states[k][0]);
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,K_fxp,states_fxp,result_fxp);
fxp_t reference_fxp[4][4];
fxp_t result_fxp2[4][4];
for(k=0;k<nInputs;k++)
{
reference_fxp[k][0] =fxp_double_to_fxp(fxp_quantize(reference_aux[k][0]));
}
fxp_sub_matrix(nInputs,1, reference_fxp, result_fxp, result_fxp2);
for(k=0; k<nInputs;k++)
{
_controller_fxp.inputs[k][0] = fxp_to_double(fxp_quantize(result_fxp2[k][0]));
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_fxp.C,_controller_fxp.states,result1);
if(flag == 1)
{
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_fxp.D,_controller_fxp.inputs,result2);
}
double_add_matrix(nOutputs,1,result1,result2,_controller_fxp.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_fxp.A,_controller_fxp.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_fxp.B,_controller_fxp.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_fxp.states);
return _controller_fxp.outputs[0][0];
}
double ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double result2[4][4];
unsigned int i;
unsigned int j;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_double.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference_aux[i][j]= reference;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.K,_controller_double.states,result1);
double_sub_matrix(nInputs,1,reference_aux,result1, _controller_double.inputs);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.C,_controller_double.states,result1);
if(flag == 1)
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_double.D,_controller_double.inputs,result2);
double_add_matrix(nOutputs,1,result1,result2,_controller_double.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_double.A,_controller_double.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_double.B,_controller_double.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_double.states);
return _controller_double.outputs[0][0];
}
int verify_error_state_space(void){
int i,j;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
_controller_fxp = _controller;
_controller_double = _controller;
overflow_mode = 0;
fxp_t x[0];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < 0; ++i) {
x[i] = nondet_constant_input;
}
double __quant_error;
if(closed_loop){
for (i = 0; i < 0; ++i) {
__quant_error = ss_closed_loop_quantization_error(x[i]) - fxp_ss_closed_loop_quantization_error(x[i]);
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 354, __extension__ __PRETTY_FUNCTION__); }))
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
else {
for (i=0; i < 0; i++)
{
__quant_error = ss_system_quantization_error(x[i]);
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 361, __extension__ __PRETTY_FUNCTION__); }))
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
return 0;
}
# 44 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double fxp_ss_closed_loop_safety(){
double reference[4][4];
double result1[4][4];
double result2[4][4];
fxp_t K_fpx[4][4];
fxp_t outputs_fpx[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]=0;
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result_fxp[i][j]=0;
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]= fxp_double_to_fxp(_controller.K[i][j]);
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
if(flag == 1){
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
}
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
for(k=0; k<nOutputs;k++){
for(j=0; j<1;j++){
outputs_fpx[k][j]= fxp_double_to_fxp(_controller.outputs[k][j]);
}
}
fxp_matrix_multiplication(nInputs,nOutputs,nOutputs,1,K_fpx,outputs_fpx,result_fxp);
for(k=0; k<nInputs;k++){
for(j=0; j<1;j++){
result1[k][j]= fxp_to_double(result_fxp[k][j]);
}
}
printf("### fxp: U (before) = %.9f", _controller.inputs[0][0]);
printf("### fxp: reference = %.9f", reference[0][0]);
printf("### fxp: result1 = %.9f", result1[0][0]);
printf("### fxp: reference - result1 = %.9f", (reference[0][0] - result1[0][0]));
double_sub_matrix(nInputs,
1,
reference,
result1,
_controller.inputs);
printf("### fxp: Y = %.9f", _controller.outputs[0][0]);
printf("### fxp: U (after) = %.9f \n### \n### ", _controller.inputs[0][0]);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
}
return _controller.outputs[0][0];
}
int verify_safety_state_space(void){
fxp_t output_fxp = fxp_ss_closed_loop_safety();
double output_double = fxp_to_double(output_fxp);
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
((void) sizeof ((
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ; else __assert_fail (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
"output_double <= error_limit"
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h", 140, __extension__ __PRETTY_FUNCTION__); }))
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
;
return 0;
}
# 45 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 1
# 14 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
extern digital_system_state_space _controller;
int verify_controllability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t controllabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double controllabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
A_fpx[i][j] = 0.0;
B_fpx[i][j] = 0.0;
controllabilityMatrix[i][j] = 0.0;
backup[i][j] = 0.0;
backupSecond[i][j] = 0.0;
controllabilityMatrix_double[i][j] = 0.0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
fxp_t mimo_controllabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_fxp);
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(mimo_controllabilityMatrix_fxp[i][j]);
}
}
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 91, __extension__ __PRETTY_FUNCTION__); }))
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
fxp_exp_matrix(nStates,nStates,A_fpx,j,backup);
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(controllabilityMatrix[i][j]);
}
}
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 113, __extension__ __PRETTY_FUNCTION__); }))
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
int verify_controllability_double(void){
int i;
int j;
double controllabilityMatrix[4][4];
double backup[4][4];
double backupSecond[4][4];
double controllabilityMatrix_double[4][4];
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
double_exp_matrix(nStates,nStates,_controller.A,l,backup);
l++;
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
double mimo_controllabilityMatrix_double[4][4];
double_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_double);
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(mimo_controllabilityMatrix_double,nStates) != 0"
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 154, __extension__ __PRETTY_FUNCTION__); }))
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
double_exp_matrix(nStates,nStates,_controller.A,j,backup);
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix,nStates) != 0"
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 163, __extension__ __PRETTY_FUNCTION__); }))
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
# 46 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
extern digital_system_state_space _controller;
int verify_observability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t observabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double observabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix[i][j]= 0;
A_fpx[i][j]=0;
C_fpx[i][j]= 0;
backup[i][j]= 0;
backupSecond[i][j]= 0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
if(nOutputs > 1){
int l;
j = 0;
for(l=0; l<nStates;){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(int k = 0; k < nOutputs; k++){
for(i = 0; i<nStates;i++){
observabilityMatrix[j][i]= backupSecond[k][i];
}
j++;
}
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nOutputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(observabilityMatrix,backup,(nStates*nOutputs),nStates);
# 99 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
fxp_t mimo_observabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nOutputs),(nStates*nOutputs),nStates,backup,observabilityMatrix,mimo_observabilityMatrix_fxp);
# 112 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(mimo_observabilityMatrix_fxp[i][j]);
}
}
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 119, __extension__ __PRETTY_FUNCTION__); }))
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}else{
for(i=0; i<nStates;i++){
fxp_exp_matrix(nStates,nStates,A_fpx,i,backup);
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(j = 0; j<nStates;j++){
observabilityMatrix[i][j]= backupSecond[0][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(observabilityMatrix[i][j]);
}
}
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 134, __extension__ __PRETTY_FUNCTION__); }))
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}
return 0;
}
# 47 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
extern filter_parameters filter;
extern implementation impl;
extern digital_system ds;
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
void resp_mag(double* num, int lnum, double* den, int lden, double* res, int N) {
double w;
int m, i;
double out_numRe[N + 1];
double out_numIm[N + 1];
double out_denRe[N + 1];
double out_denIm[N + 1];
double old_out_Re;
double zero_test;
for (w = 0, i = 0; w <= 3.14159265358979323846; w += 3.14159265358979323846 / N, ++i) {
out_numRe[i] = num[0];
out_numIm[i] = 0;
for (m = 1; m < lnum; ++m) {
old_out_Re = out_numRe[i];
out_numRe[i] = cosTyl(w, 6) * out_numRe[i] - sinTyl(w, 6) * out_numIm[i] + num[m];
out_numIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_numIm[i];
}
out_denRe[i] = den[0];
out_denIm[i] = 0;
for (m = 1; m < lden; ++m) {
old_out_Re = out_denRe[i];
out_denRe[i] = cosTyl(w, 6) * out_denRe[i] - sinTyl(w, 6) * out_denIm[i] + den[m];
out_denIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_denIm[i];
}
res[i] = sqrt3(out_numRe[i] * out_numRe[i] + out_numIm[i] * out_numIm[i]);
zero_test = sqrt3(out_denRe[i] * out_denRe[i] + out_denIm[i] * out_denIm[i]);
__DSVERIFIER_assume(zero_test != 0);
res[i] = res[i] / zero_test;
}
}
int verify_magnitude(void) {
int freq_response_samples = 100;
double w;
double w_incr = 1.0 / freq_response_samples;
double res[freq_response_samples+1];
int i,j;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
resp_mag(ds.b, ds.b_size, ds.a, ds.a_size, res, freq_response_samples);
if (filter.type == 1) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wp) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w >= filter.wr) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
}
}
} else if (filter.type == 2) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wr) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w > filter.wp) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
}
}
} else {
__DSVERIFIER_assert(0);
}
return 0;
}
# 48 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
extern digital_system ds;
extern digital_system plant;
digital_system plant_cbmc;
extern digital_system controller;
extern implementation impl;
extern hardware hw;
extern digital_system_state_space _controller;
extern filter_parameters filter;
unsigned int nondet_uint();
extern void initials();
void validation();
void call_verification_task(void * verification_task);
void call_closedloop_verification_task(void * closedloop_verification_task);
float nondet_float();
double nondet_double();
int main(){
initialization();
validation();
if (1 == 0)
rounding_mode = 0;
else if (1 == 1)
rounding_mode = 1;
else if (1 == 2)
rounding_mode = 2;
if (3 == 3)
{
call_verification_task(&verify_overflow);
}
else if (3 == 2)
{
call_verification_task(&verify_limit_cycle);
}
else if (3 == 6)
{
call_verification_task(&verify_error);
}
else if (3 == 1)
{
call_verification_task(&verify_zero_input_limit_cycle);
}
else if (3 == 4)
{
call_verification_task(&verify_timing_msp_430);
}
else if (3 == 5)
{
call_verification_task(&verify_generic_timing);
}
else if (3 == 7)
{
call_verification_task(&verify_stability);
}
else if (3 == 8)
{
call_verification_task(&verify_minimum_phase);
}
else if (3 == 9)
{
call_closedloop_verification_task(&verify_stability_closedloop_using_dslib);
}
else if (3 == 10)
{
call_closedloop_verification_task(&verify_limit_cycle_closed_loop);
}
else if (3 == 11)
{
call_closedloop_verification_task(&verify_error_closedloop);
}
else if (3 == 12)
{
verify_error_state_space();
}
else if (3 == 16)
{
verify_safety_state_space();
}
else if (3 == 13)
{
verify_controllability();
}
else if (3 == 14)
{
verify_observability();
}
else if (3 == 15)
{
verify_limit_cycle_state_space();
}
else if (3 == 18)
{
call_verification_task(&verify_magnitude);
}
return 0;
}
void validation()
{
if (3 == 12 || 3 == 16 ||
3 == 15 || 3 == 13 ||
3 == 14)
{
if (0 == 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a K_SIZE to use this property in DSVerifier (use: -DK_SIZE=VALUE) *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
exit(1);
}
initials();
return;
}
if (((3 != 9) && (3 != 10) &&
(3 != 11)) && (ds.a_size == 0 || ds.b_size == 0))
{
printf("\n\n****************************************************************************\n");
printf("* set (ds and impl) parameters to check with DSVerifier *\n");
printf("****************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((3 == 9) || (3 == 10) ||
(3 == 11))
{
if (controller.a_size == 0 || plant.b_size == 0 || impl.int_bits == 0 )
{
printf("\n\n*****************************************************************************************************\n");
printf("* set (controller, plant, and impl) parameters to check CLOSED LOOP with DSVerifier *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
printf("\n\n*****************************************************************************************************\n");
printf("* set (controller and impl) parameters so that they do not overflow *\n");
printf("*****************************************************************************************************\n");
unsigned j;
for (j = 0; j < controller.a_size; ++j)
{
const double value=controller.a[j];
__DSVERIFIER_assert(value <= _dbl_max);
__DSVERIFIER_assert(value >= _dbl_min);
}
for (j = 0; j < controller.b_size; ++j)
{
const double value=controller.b[j];
__DSVERIFIER_assert(value <= _dbl_max);
__DSVERIFIER_assert(value >= _dbl_min);
}
}
if (controller.b_size > 0)
{
unsigned j, zeros=0;
for (j = 0; j < controller.b_size; ++j)
{
if (controller.b[j]==0)
++zeros;
}
if (zeros == controller.b_size)
{
printf("\n\n*****************************************************************************************************\n");
printf("* The controller numerator must not be zero *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (controller.a_size > 0)
{
unsigned j, zeros=0;
for (j = 0; j < controller.a_size; ++j)
{
if (controller.a[j]==0)
++zeros;
}
if (zeros == controller.a_size)
{
printf("\n\n*****************************************************************************************************\n");
printf("* The controller denominator must not be zero *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (0 == 0)
{
printf("\n\n***************************************************************************************************************\n");
printf("* set a connection mode to check CLOSED LOOP with DSVerifier (use: --connection-mode TYPE) *\n");
printf("***************************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (3 == 0)
{
printf("\n\n***************************************************************************************\n");
printf("* set the property to check with DSVerifier (use: --property NAME) *\n");
printf("***************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((3 == 3) || (3 == 2) || (3 == 1) ||
(3 == 10) || (3 == 11) ||
(3 == 4 || 3 == 5) || 3 == 6)
{
if ((15 == 0) && !(0 == 1))
{
printf("\n\n********************************************************************************************\n");
printf("* set a X_SIZE to use this property in DSVerifier (use: --x-size VALUE) *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else if (0 == 1)
{
X_SIZE_VALUE = nondet_uint();
__DSVERIFIER_assume( X_SIZE_VALUE > (2 * ds.a_size));
}
else if (15 < 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a X_SIZE > 0 *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
X_SIZE_VALUE = 15;
}
}
if ((1 == 0) && (3 != 9) && (3 != 18))
{
printf("\n\n*********************************************************************************************\n");
printf("* set the realization to check with DSVerifier (use: --realization NAME) *\n");
printf("*********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if (3 == 6 || 3 == 11)
{
if (impl.max_error == 0)
{
printf("\n\n***********************************************************************\n");
printf("* provide the maximum expected error (use: impl.max_error) *\n");
printf("***********************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (3 == 4 || 3 == 5)
{
if (3 == 5 || 3 == 4)
{
if (hw.clock == 0l)
{
printf("\n\n***************************\n");
printf("* Clock could not be zero *\n");
printf("***************************\n");
__DSVERIFIER_assert(0);
}
hw.cycle = ((double) 1.0 / hw.clock);
if (hw.cycle < 0)
{
printf("\n\n*********************************************\n");
printf("* The cycle time could not be representable *\n");
printf("*********************************************\n");
__DSVERIFIER_assert(0);
}
if (ds.sample_time == 0)
{
printf("\n\n*****************************************************************************\n");
printf("* provide the sample time of the digital system (ds.sample_time) *\n");
printf("*****************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
}
if (3 == 18)
{
if (!((filter.Ap > 0) && (filter.Ac >0) && (filter.Ar >0)))
{
printf("\n\n*****************************************************************************\n");
printf("* set values bigger than 0 for Ap, Ac and Ar* \n");
printf("*****************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if ((1 == 7) || (1 == 8) || (1 == 9) ||
(1 == 10) || (1 == 11) || (1 == 12))
{
printf("\n\n******************************************\n");
printf("* Temporarily the cascade modes are disabled *\n");
printf("**********************************************\n");
__DSVERIFIER_assert(0);
}
}
void call_verification_task(void * verification_task)
{
int i = 0;
_Bool base_case_executed = 0;
if (0 == 2)
{
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ds.b_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ds.a_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
else
{
int i=0;
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ((ds.b[i] * ds.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ((ds.a[i] * ds.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
((void(*)())verification_task)();
}
void call_closedloop_verification_task(void * closedloop_verification_task)
{
_Bool base_case_executed = 0;
int i=0;
for(i=0; i<plant.b_size; i++)
{
if (plant.b_uncertainty[i] > 0)
{
double factor = ((plant.b[i] * plant.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.b[i] - factor;
double max = plant.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant_cbmc.b[i] = nondet_double();
__DSVERIFIER_assume((plant_cbmc.b[i] >= min) && (plant_cbmc.b[i] <= max));
}else{
plant_cbmc.b[i] = plant.b[i];
}
}
for(i=0; i<plant.a_size; i++)
{
if (plant.a_uncertainty[i] > 0)
{
double factor = ((plant.a[i] * plant.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.a[i] - factor;
double max = plant.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant_cbmc.a[i] = nondet_double();
__DSVERIFIER_assume((plant_cbmc.a[i] >= min) && (plant_cbmc.a[i] <= max));
}
else
{
plant_cbmc.a[i] = plant.a[i];
}
}
((void(*)())closedloop_verification_task)();
}
# 2 "benchmarks/ds-07-impl1.c" 2
digital_system ds = {
.b = { 0.1, -0.09998 },
.b_size = 2,
.a = { 1.0, -1.0 },
.a_size = 2,
.sample_time = 0.02
};
implementation impl = {
.int_bits = 4,
.frac_bits = 12,
.max = 1.0,
.min = -1.0
};
|
the_stack_data/119841.c | //
// Created by Vasco Varas on 9/17/19.
//
#include <stdio.h>
#include <stdlib.h>
int count_each_2(int n)
{
int count = 0;
// If n is 2 digits or more, call count for the first part without the last digit and for the last digit separately
if (n >= 10)
{
count = count_each_2(n / 10);
count += count_each_2(n % 10);
}
else
{
if (n == 2)
// If it's a 2, add it to count
count++;
}
return count;
}
int count_of_2(int n)
{
// Return 0 if n <= 1 (Explicit rule)
if (n <= 1)
return 0;
int i = 0;
int count = 0;
// Do it for each number up to n
while (i <= n)
{
// Count and add it to the total count
count += count_each_2(i);
i++;
}
return count;
}
// MAIN
//int main(int argc, char **argv)
//{
// if (argc == 2)
// printf("%i\n", count_of_2(atoi( argv[1] )));
// return (0);
//} |
the_stack_data/62638407.c | typedef struct {
int z;
}who;
void foo();
int main()
{
float bvar=2.45;
foo();
//printf("IN MAIN BEFORE: %f\n",bvar.du.floatval);
bvar = bvar*2;
//printf("IN MAIN AFTER: %f\n",bvar.du.floatval);
}
void foo()
{
who bvar, svar;
bvar.z = svar.z = 20;
bvar.z = bvar.z + svar.z;
printf("IN FOO BVAR.Z:%d SVAR.Z:%d\n",bvar.z,svar.z);
}
/*HIGHLIGHTS
typedef struct usage and operations
PROBLEM cut paste struct on top to avoid error*/
|
the_stack_data/34514016.c | int sys_atoi(const char * s)
{
register int rv=0;
register char sign = 0;
/* skip till we find either a digit or '+' or '-' */
while (*s) {
if (*s <= '9' && *s >= '0')
break;
if (*s == '-' || *s == '+')
break;
s++;
}
sign = (*s == '-');
if (*s == '-' || *s == '+') s++;
while (*s && *s >= '0' && *s <= '9') {
rv = (rv * 10) + (*s - '0');
s++;
}
return (sign ? -rv : rv);
}
|
the_stack_data/154816.c | #include <stdio.h>
void calcula(int* c){ // o asterisco indica que o argumento recebido é um endereço de memória
printf(" calcula %d %d\n", (*c), c);
(*c)++;
printf(" calcula %d %d\n", (*c), c);
}
int main(){
int c = 10;
printf("main %d\n", c);
calcula(&c);
printf("main %d\n",c);
} |
the_stack_data/6387278.c | // ; Check that -flto=thin without -fsplit-lto-unit has EnableSplitLTOUnit = 0
// RUN: %clang_cc1 -flto=thin -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s
// CHECK: !{i32 1, !"EnableSplitLTOUnit", i32 0}
//
// ; Check that -flto=thin with -fsplit-lto-unit has EnableSplitLTOUnit = 1
// RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --check-prefix=SPLIT
// SPLIT: !{i32 1, !"EnableSplitLTOUnit", i32 1}
//
// ; Check that regular LTO has EnableSplitLTOUnit = 1
// RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT
int main() {}
|
the_stack_data/43888906.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <termio.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#define PORT 3600
typedef struct _Calc_Data {
int lhs;
int rhs;
char op;
int result;
short error;
} CalcData;
int main(int argc, char** argv) {
struct sockaddr_in client_addr, sock_addr;
int listen_sock, client_sock;
int addr_len;
CalcData data;
int lhs, rhs, result;
if ((listen_sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
perror("Error");
return 1;
}
memset((void*)&sock_addr, 0x00, sizeof(sock_addr));
sock_addr.sin_family = AF_INET;
sock_addr.sin_addr.s_addr = htonl(INADDR_ANY);
sock_addr.sin_port = htons(PORT);
if (bind(listen_sock, (struct sockaddr*)&sock_addr, sizeof(sock_addr)) == -1) {
perror("Errorr");
return 1;
}
if (listen(listen_sock, 5) == -1) {
perror("Error");
return 1;
}
puts("Hello, Calculator Server is on");
while (1) {
addr_len = sizeof(client_addr);
client_sock = accept(listen_sock, (struct sockaddr*)&client_addr, &addr_len);
if (client_sock == -1) {
perror("Error");
return 1;
}
printf("%d is connect\n", client_addr.sin_addr.s_addr);
read(client_sock, (void*)&data, sizeof(data));
data.error = 0;
lhs = ntohl(data.lhs);
rhs = ntohl(data.rhs);
switch(data.op) {
case '+':
result = lhs + rhs;
break;
case '-':
result = lhs - rhs;
break;
case '*':
result = lhs * rhs;
break;
case '/':
if (rhs == 0) {
data.error = 2;
break;
}
result = lhs / rhs;
break;
default:
data.error = 1;
break;
}
data.result = htonl(result);
data.error = htons(data.error);
write(client_sock, (void*)&data, sizeof(data));
close(client_sock);
}
puts("Calculator Server is off. Bye");
close(listen_sock);
return 0;
}
|
the_stack_data/87638008.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
void main(){
setbuf(stdout, NULL);
setbuf(stderr, NULL);
char password[64];
int ways_to_leave_your_lover = 0;
int what_i_cant_drive = 0;
int when_im_walking_out_on_center_circle = 0;
int which_highway_to_take_my_telephones_to = 0;
int when_i_learned_the_truth = 0;
printf("Enter the secret word: ");
gets(&password);
if(strcmp(password, "password123") == 0){
puts("Logged in! Let's just do some quick checks to make sure everything's in order...");
if (ways_to_leave_your_lover == 50) {
if (what_i_cant_drive == 55) {
if (when_im_walking_out_on_center_circle == 245) {
if (which_highway_to_take_my_telephones_to == 61) {
if (when_i_learned_the_truth == 17) {
char flag[128];
FILE *f = fopen("flag.txt","r");
if (!f) {
printf("Missing flag.txt. Contact an admin if you see this on remote.");
exit(1);
}
fgets(flag, 128, f);
printf(flag);
return;
}
}
}
}
}
puts("Nope, something seems off.");
} else {
puts("Login failed!");
}
}
|
the_stack_data/51698991.c | /* Copyright (c) 2021 Dennis Wölfing
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* libc/src/wchar/wcscat.c
* Concatenate wide character strings.
*/
#include <wchar.h>
wchar_t* wcscat(wchar_t* restrict s1, const wchar_t* restrict s2) {
wchar_t* result = s1;
while (*s1) {
s1++;
}
while (*s2) {
*s1++ = *s2++;
}
*s1 = L'\0';
return result;
}
|
the_stack_data/122090.c | #include <stdio.h>
#include <stdlib.h>
int wcount(char *s){
//>
int wcnt = 0, space = 0;
char *s1 = s;
while ( *s1 ) {
if ( *s1++ != ' '){
s1 = NULL;
break;
}
}
if ( s1 )
return 0;
while ( *s ){
if (( *s++ ) == ' '){
if (!space) wcnt++;
space = 1;
} else space = 0;
}
return wcnt + 1;
}
int main()
{
char *s = malloc(255 * sizeof(char));
gets(s);
printf("%d\n", wcount(s));
free(s);
return 0;
}
|
the_stack_data/162644090.c | #include <stdio.h>
#define LOWER 0
#define UPPER 300
#define STEP 20
float fahr2cels(int fahr);
int main(void) {
int fahr;
for (fahr = LOWER; fahr <= UPPER; fahr += STEP) {
printf("%3d\t%6.1f\n", fahr, fahr2cels(fahr));
}
}
float fahr2cels(int fahr) {
return (5.0/9.0)*(fahr-32.0);
}
|
the_stack_data/663917.c | /* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: skuntoji <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/06/27 11:14:01 by skuntoji #+# #+# */
/* Updated: 2018/06/27 11:15:35 by skuntoji ### ########.fr */
/* */
/* ************************************************************************** */
int ft_strcmp(char *str1, char *str2)
{
if (*str1 && *str1 == *str2)
{
return (ft_strcmp(++str1, ++str2));
}
return (*str1 - *str2);
}
|
the_stack_data/65825.c | /*
* (C)2012 Michael Duane Rice All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer. Redistributions in binary
* form must reproduce the above copyright notice, this list of conditions
* and the following disclaimer in the documentation and/or other materials
* provided with the distribution. Neither the name of the copyright holders
* nor the names of contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* $Id$ */
/* print 2 digit integer with leading zero: auxillary function for isotime and asctime */
#include <stdlib.h>
void
__print_lz(int i, char *buffer, char s)
{
div_t result;
result = div(i, 10);
*buffer++ = result.quot + '0';
*buffer++ = result.rem + '0';
*buffer = s;
}
|
the_stack_data/90764606.c | #include <stdio.h>
//przyjmując: 0-król, 1-hetman, 2-wieża, 3-goniec, 4-skoczek,
//5-pionek, 6-król_k, 7-hetman_k, 8-wieża_k, 9-goniec_k,
//10-skoczek_k, 11-pionek_k, 12-pole puste
int MAX_DIRECTION[]={8, 8, 4, 4, 8, 3, 8, 8, 4, 4, 8, 3, 0};
int MAX_DISTANCE[]={2, 8, 8, 8, 2, 2, 2, 8, 8, 8, 2, 2, 0};
int VEC_X[12][8]={{0, 1, 1, 1, 0, -1, -1, -1}, {0, 1, 1, 1, 0, -1, -1, -1}, {0, 1, 0, -1}, {1, 1, -1, -1}, {1, 2, 2, 1, -1, -2, -2, -1}, {-1, 0, 1}, {0, 1, 1, 1, 0, -1, -1, -1}, {0, 1, 1, 1, 0, -1, -1, -1}, {0, 1, 0, -1}, {1, 1, -1, -1}, {1, 2, 2, 1, -1, -2, -2, -1}, {-1, 0, 1} };
int VEC_Y[12][8]={{-1, -1, 0, 1, 1, 1, 0, -1}, {-1, -1, 0, 1, 1, 1, 0, -1}, {-1, 0, 1, 0}, {-1, 1, 1, -1}, {-2, -1, 1, 2, 2, 1, -1, -2}, {-1, -1, -1}, {-1, -1, 0, 1, 1, 1, 0, -1}, {-1, -1, 0, 1, 1, 1, 0, -1}, {-1, 0, 1, 0}, {-1, 1, 1, -1}, {-2, -1, 1, 2, 2, 1, -1, -2}, {1, 1, 1} };
int LOST = -1000;
int WON = 1000;
int EMPTY = 12;
int check (int board[8][8]) {
int result = 0;
int oc[] = { LOST, -9, -5, -4, -3, -1, WON, 9, 5, 4, 3, 1, 0 };
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j++) {
result += oc[board[i][j]];
}
}
return result;
}
int best(int board[8][8], int mode, int *x, int *y, int *dir, int *dis) {
int px_pom, py_pom, k_pom, o_pom, px, py, dx, dy, direction, distance;
int result, res_max, res_min, movement, killed_piece;
result = check(board);
if(!mode || 2 * result > WON || 2 * result < LOST) {
return result;
}
if ( !(mode % 2) ) {
for (px = 0, res_max = 100 * LOST; px < 8; px++) {
for (py = 0; py < 8; py++) {
if (board[px][py] >= 6 && board[px][py] < 12) {
for (direction = 0; direction < MAX_DIRECTION[board[px][py]]; direction++) {
for (distance = 1; distance < MAX_DISTANCE[board[px][py]]; distance++) {
dx = (distance - 1) * VEC_X[board[px][py]][direction];
dy = (distance - 1) * VEC_Y[board[px][py]][direction];
if (distance >= 2 && board[px + dx][py + dy] != EMPTY) {
break;
}
dx = distance * VEC_X[ board[px][py] ][direction];
dy = distance * VEC_Y[ board[px][py] ][direction];
if (px+dx >= 0 && px+dx < 8 && py+dy >= 0 && py + dy < 8) {
if (board[px+dx][py+dy] == EMPTY || board[px+dx][py+dy] <= 5) {
if (board[px][py] != 11 || (board[px+dx][py+dy] == EMPTY && !dx) || (board[px+dx][py+dy] == EMPTY && dx) ) {
movement = board[px][py];
killed_piece = board[px + dx][py + dy];
board[px+dx][py+dy] = board[px][py];
board[px][py] = EMPTY;
if (board[px+dx][py+dy] == 11 && py+dy == 7) {
board[px+dx][py+dy] = 7;
}
result = best(board, mode - 1, &px_pom, &py_pom, &k_pom, &o_pom);
board[px][py] = movement;
board[px+dx][py+dy] = killed_piece;
if (result >= res_max) {
res_max = result;
*x = px;
*y = py;
*dir = direction;
*dis = distance;
}
}
}
}
}
}
}
}
}
return res_max;
} else {
for (px = 0, res_min = 100 * WON; px < 8; px++) {
for (py = 0; py < 8; py++) {
if (board[px][py] <= 5) {
for (direction = 0; direction < MAX_DIRECTION[board[px][py]]; direction++) {
for (distance = 1; distance < MAX_DISTANCE[board[px][py]]; distance++) {
dx = (distance - 1) * VEC_X[board[px][py]][direction];
dy = (distance - 1) * VEC_Y[board[px][py]][direction];
if (distance >= 2 && board[px + dx][py + dy] != EMPTY) {
break;
}
dx = distance * VEC_X[ board[px][py] ][direction];
dy = distance * VEC_Y[ board[px][py] ][direction];
if (px+dx >= 0 && px+dx < 8 && py+dy >= 0 && py + dy < 8) {
if (board[px+dx][py+dy] >= 6) {
if (board[px][py] != 5 || (board[px+dx][py+dy] == EMPTY && !dx) || (board[px+dx][py+dy] == EMPTY && dx) ) {
movement = board[px][py];
killed_piece = board[px + dx][py + dy];
board[px+dx][py+dy] = board[px][py];
board[px][py] = EMPTY;
if (board[px+dx][py+dy] == 5 && py+dy == 0) {
board[px+dx][py+dy] = 1;
}
result = best(board, mode - 1, &px_pom, &py_pom, &k_pom, &o_pom);
board[px][py] = movement;
board[px+dx][py+dy] = killed_piece;
if (result >= res_max) {
res_max = result;
*x = px;
*y = py;
*dir = direction;
*dis = distance;
}
}
}
}
}
}
}
}
}
return res_min;
}
}
void print(int board[8][8]) {
//przyjmując: 0-król, 1-hetman, 2-wieża, 3-goniec, 4-skoczek,
//5-pionek, 6-król_k, 7-hetman_k, 8-wieża_k, 9-goniec_k,
//10-skoczek_k, 11-pionek_k, 12-pole puste
printf("---------------------------------\n");
for (int x = 0; x < 8; x++) {
printf("|");
for (int y = 0; y < 8; y++) {
char names[] = {'K', 'H', 'W', 'G', 'S', 'P', 'k', 'h', 'w', 'g', 's', 'p', ' '};
printf(" %c |", names[board[x][y]]);
}
printf("\n");
printf("---------------------------------\n");
}
printf("\n");
}
int main() {
int b[9][8] = {
{ 8, 11, 12, 12, 12, 12, 5, 2 },
{ 10, 11, 12, 12, 12, 12, 5, 4 },
{ 9, 11, 12, 12, 12, 12, 5, 3 },
{ 6, 11, 12, 12, 12, 12, 5, 0 },
{ 7, 11, 12, 12, 12, 12, 5, 1 },
{ 9, 11, 12, 12, 12, 12, 5, 3 },
{ 10, 11, 12, 12, 12, 12, 5, 4 },
{ 8, 11, 12, 12, 12, 12, 5, 2 },
};
int x, y, k, o, dx, dy, x2, y2;
int result;
while (1) {
result = best(b, 4, &x, &y, &k, &o);
printf("%d", result);
/*if (result >= WON || result <= LOST) {
return 0;
}*/
dx = o * VEC_X[b[x][y]][k];
dy = o * VEC_Y[b[x][y]][k];
b[x+dx][y+dy] = b[x][y];
b[x][y] = EMPTY;
if (b[x+dx][y+dy] == 11 && y+dy ==7 ) {
b[x+dx][y+dy] = 7;
}
print(b);
printf("Podaj ruch - [z rzad] [z kolumna] [do rzad] [do kolumna]:\r");
scanf("%d %d %d %d", &x, &y, &x2, &y2);
b[x2][y2] = b[x][y];
b[x][y] = EMPTY;
if (b[x2][y2] == 5 && !y2) {
b[x2][y2] = 1;
}
print(b);
}
}
|
the_stack_data/48574505.c | #include <stdio.h>
int main()
{
int A[10]={1,2,3,4,5,6,7,8,9,10};
int *p=A; // p=&A[0]
printf("int seriyaning 1-chi elementi %i\n", *p);
p++; // A[0+1]=A[1]
printf("int seriyaning 2-chi elementi %i\n", *p);
p+=5; // A[1+5]=A[6]
printf("int seriyaning 7-chi elementi %i\n", *p);
p--;
printf("int seriyaning 6-chi elementi %i\n", *p);
p-=5;
printf("int seriyaning 1-chi elementi %i\n", *p);
p--;
printf("int seriyaning 0-chi elementi %i\n", *p);
char text[30]="Salom";
char *pp=text;
printf("char seriyaning 1-chi elementi %c\n", *pp);
pp++;
*pp='b';
printf("char seriyaning 2-chi elementi %c\n", *pp);
puts(text);
return 0;
} |
the_stack_data/123318.c | #define NULL ((void*)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t; typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1
/* Forward declarations */
typedef struct TYPE_10__ TYPE_4__ ;
typedef struct TYPE_9__ TYPE_3__ ;
typedef struct TYPE_8__ TYPE_2__ ;
typedef struct TYPE_7__ TYPE_1__ ;
/* Type definitions */
typedef int /*<<< orphan*/ const u_short ;
typedef int /*<<< orphan*/ u_long ;
typedef scalar_t__ u_int32_t ;
typedef scalar_t__ u_char ;
struct udphdr {int /*<<< orphan*/ const uh_dport; int /*<<< orphan*/ const uh_sport; } ;
struct tcphdr {int th_off; int th_flags; int /*<<< orphan*/ th_ack; int /*<<< orphan*/ th_seq; int /*<<< orphan*/ const th_dport; int /*<<< orphan*/ const th_sport; } ;
struct ncpaddr {int dummy; } ;
struct ip6_hdr {int ip6_nxt; int /*<<< orphan*/ const ip6_plen; int /*<<< orphan*/ ip6_dst; int /*<<< orphan*/ ip6_src; } ;
struct ip {int ip_hl; int ip_p; int ip_v; int /*<<< orphan*/ const ip_off; scalar_t__ ip_tos; int /*<<< orphan*/ const ip_len; int /*<<< orphan*/ ip_dst; int /*<<< orphan*/ ip_src; } ;
struct icmp6_hdr {int icmp6_type; } ;
struct icmp {int icmp_type; } ;
struct filter {char* name; scalar_t__ logok; } ;
struct TYPE_9__ {struct filter alive; } ;
struct TYPE_7__ {int /*<<< orphan*/ tos; } ;
struct TYPE_8__ {TYPE_1__ urgent; } ;
struct TYPE_10__ {TYPE_2__ cfg; } ;
struct bundle {TYPE_3__ filter; TYPE_4__ ncp; } ;
/* Variables and functions */
scalar_t__ AF_INET ;
scalar_t__ AF_INET6 ;
int /*<<< orphan*/ Enabled (struct bundle*,int /*<<< orphan*/ ) ;
scalar_t__ FilterCheck (unsigned char const*,scalar_t__,struct filter*,unsigned int*) ;
unsigned char const HDLC_ADDR ;
unsigned char const HDLC_UI ;
#define IPPROTO_AH 150
#define IPPROTO_ESP 149
#define IPPROTO_GRE 148
#define IPPROTO_ICMP 147
#define IPPROTO_ICMPV6 146
#define IPPROTO_IGMP 145
#define IPPROTO_IPIP 144
#define IPPROTO_IPV6 143
#define IPPROTO_OSPFIGP 142
#define IPPROTO_TCP 141
#define IPPROTO_UDP 140
scalar_t__ IPTOS_LOWDELAY ;
int IP_OFFMASK ;
int /*<<< orphan*/ LogDNS ;
int /*<<< orphan*/ LogTCPIP ;
int /*<<< orphan*/ OPT_FILTERDECAP ;
#define PROTO_CBCP 139
#define PROTO_CHAP 138
#define PROTO_COMPD 137
#define PROTO_ICOMPD 136
#define PROTO_IP 135
#define PROTO_IPCP 134
#define PROTO_LCP 133
#define PROTO_LQR 132
#define PROTO_MP 131
#define PROTO_PAP 130
#define PROTO_VJCOMP 129
#define PROTO_VJUNCOMP 128
int TH_FIN ;
int TH_SYN ;
int /*<<< orphan*/ ip_LogDNS (struct udphdr const*,char*) ;
scalar_t__ log_IsKept (int /*<<< orphan*/ ) ;
int /*<<< orphan*/ log_Printf (int /*<<< orphan*/ ,char*,char*,...) ;
int /*<<< orphan*/ memcpy (int /*<<< orphan*/ const*,unsigned char const*,int) ;
int /*<<< orphan*/ ncp_IsUrgentTcpLen (TYPE_4__*,int) ;
int /*<<< orphan*/ ncp_IsUrgentTcpPort (TYPE_4__*,int,int) ;
int /*<<< orphan*/ ncp_IsUrgentUdpPort (TYPE_4__*,int,int) ;
char* ncpaddr_ntoa (struct ncpaddr*) ;
int /*<<< orphan*/ ncpaddr_setip4 (struct ncpaddr*,int /*<<< orphan*/ ) ;
int /*<<< orphan*/ ncpaddr_setip6 (struct ncpaddr*,int /*<<< orphan*/ *) ;
int /*<<< orphan*/ ntohl (int /*<<< orphan*/ ) ;
int ntohs (int /*<<< orphan*/ const) ;
int /*<<< orphan*/ snprintf (char*,int,char*,...) ;
scalar_t__ strlen (char*) ;
int
PacketCheck(struct bundle *bundle, u_int32_t family,
const unsigned char *packet, int nb, struct filter *filter,
const char *prefix, unsigned *psecs)
{
char logbuf[200];
static const char *const TcpFlags[] = {
"FIN", "SYN", "RST", "PSH", "ACK", "URG"
};
const struct tcphdr *th;
const struct udphdr *uh;
const struct icmp *icmph;
#ifndef NOINET6
const struct icmp6_hdr *icmp6h;
#endif
const unsigned char *payload;
struct ncpaddr srcaddr, dstaddr;
int cproto, mask, len, n, pri, logit, result, datalen, frag;
unsigned loglen;
u_char tos;
logit = (log_IsKept(LogTCPIP) || log_IsKept(LogDNS)) &&
(!filter || filter->logok);
loglen = 0;
pri = 0;
#ifndef NOINET6
if (family == AF_INET6) {
const struct ip6_hdr *pip6 = (const struct ip6_hdr *)packet;
ncpaddr_setip6(&srcaddr, &pip6->ip6_src);
ncpaddr_setip6(&dstaddr, &pip6->ip6_dst);
datalen = ntohs(pip6->ip6_plen);
payload = packet + sizeof *pip6;
cproto = pip6->ip6_nxt;
tos = 0; /* XXX: pip6->ip6_vfc >> 4 ? */
frag = 0; /* XXX: ??? */
} else
#endif
{
const struct ip *pip = (const struct ip *)packet;
ncpaddr_setip4(&srcaddr, pip->ip_src);
ncpaddr_setip4(&dstaddr, pip->ip_dst);
datalen = ntohs(pip->ip_len) - (pip->ip_hl << 2);
payload = packet + (pip->ip_hl << 2);
cproto = pip->ip_p;
tos = pip->ip_tos;
frag = ntohs(pip->ip_off) & IP_OFFMASK;
}
uh = NULL;
if (logit && loglen < sizeof logbuf) {
if (prefix)
snprintf(logbuf + loglen, sizeof logbuf - loglen, "%s", prefix);
else if (filter)
snprintf(logbuf + loglen, sizeof logbuf - loglen, "%s ", filter->name);
else
snprintf(logbuf + loglen, sizeof logbuf - loglen, " ");
loglen += strlen(logbuf + loglen);
}
switch (cproto) {
case IPPROTO_ICMP:
if (logit && loglen < sizeof logbuf) {
len = datalen - sizeof *icmph;
icmph = (const struct icmp *)payload;
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"ICMP: %s:%d ---> ", ncpaddr_ntoa(&srcaddr), icmph->icmp_type);
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s (%d/%d)", ncpaddr_ntoa(&dstaddr), len, nb);
loglen += strlen(logbuf + loglen);
}
break;
#ifndef NOINET6
case IPPROTO_ICMPV6:
if (logit && loglen < sizeof logbuf) {
len = datalen - sizeof *icmp6h;
icmp6h = (const struct icmp6_hdr *)payload;
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"ICMP: %s:%d ---> ", ncpaddr_ntoa(&srcaddr), icmp6h->icmp6_type);
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s (%d/%d)", ncpaddr_ntoa(&dstaddr), len, nb);
loglen += strlen(logbuf + loglen);
}
break;
#endif
case IPPROTO_UDP:
uh = (const struct udphdr *)payload;
if (tos == IPTOS_LOWDELAY && bundle->ncp.cfg.urgent.tos)
pri++;
if (!frag && ncp_IsUrgentUdpPort(&bundle->ncp, ntohs(uh->uh_sport),
ntohs(uh->uh_dport)))
pri++;
if (logit && loglen < sizeof logbuf) {
len = datalen - sizeof *uh;
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"UDP: %s:%d ---> ", ncpaddr_ntoa(&srcaddr), ntohs(uh->uh_sport));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s:%d (%d/%d)", ncpaddr_ntoa(&dstaddr), ntohs(uh->uh_dport),
len, nb);
loglen += strlen(logbuf + loglen);
}
if (Enabled(bundle, OPT_FILTERDECAP) &&
payload[sizeof *uh] == HDLC_ADDR &&
payload[sizeof *uh + 1] == HDLC_UI) {
u_short proto;
const char *type;
memcpy(&proto, payload + sizeof *uh + 2, sizeof proto);
type = NULL;
switch (ntohs(proto)) {
case PROTO_IP:
snprintf(logbuf + loglen, sizeof logbuf - loglen, " contains ");
result = PacketCheck(bundle, AF_INET, payload + sizeof *uh + 4,
nb - (payload - packet) - sizeof *uh - 4, filter,
logbuf, psecs);
if (result != -2)
return result;
type = "IP";
break;
case PROTO_VJUNCOMP: type = "compressed VJ"; break;
case PROTO_VJCOMP: type = "uncompressed VJ"; break;
case PROTO_MP: type = "Multi-link"; break;
case PROTO_ICOMPD: type = "Individual link CCP"; break;
case PROTO_COMPD: type = "CCP"; break;
case PROTO_IPCP: type = "IPCP"; break;
case PROTO_LCP: type = "LCP"; break;
case PROTO_PAP: type = "PAP"; break;
case PROTO_CBCP: type = "CBCP"; break;
case PROTO_LQR: type = "LQR"; break;
case PROTO_CHAP: type = "CHAP"; break;
}
if (type) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
" - %s data", type);
loglen += strlen(logbuf + loglen);
}
}
break;
#ifdef IPPROTO_GRE
case IPPROTO_GRE:
if (logit && loglen < sizeof logbuf) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"GRE: %s ---> ", ncpaddr_ntoa(&srcaddr));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s (%d/%d)", ncpaddr_ntoa(&dstaddr), datalen, nb);
loglen += strlen(logbuf + loglen);
}
break;
#endif
#ifdef IPPROTO_OSPFIGP
case IPPROTO_OSPFIGP:
if (logit && loglen < sizeof logbuf) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"OSPF: %s ---> ", ncpaddr_ntoa(&srcaddr));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s (%d/%d)", ncpaddr_ntoa(&dstaddr), datalen, nb);
loglen += strlen(logbuf + loglen);
}
break;
#endif
#ifndef NOINET6
case IPPROTO_IPV6:
if (logit && loglen < sizeof logbuf) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"IPv6: %s ---> ", ncpaddr_ntoa(&srcaddr));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s (%d/%d)", ncpaddr_ntoa(&dstaddr), datalen, nb);
loglen += strlen(logbuf + loglen);
}
if (Enabled(bundle, OPT_FILTERDECAP)) {
snprintf(logbuf + loglen, sizeof logbuf - loglen, " contains ");
result = PacketCheck(bundle, AF_INET6, payload, nb - (payload - packet),
filter, logbuf, psecs);
if (result != -2)
return result;
}
break;
#endif
case IPPROTO_IPIP:
if (logit && loglen < sizeof logbuf) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"IPIP: %s ---> ", ncpaddr_ntoa(&srcaddr));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s", ncpaddr_ntoa(&dstaddr));
loglen += strlen(logbuf + loglen);
}
if (Enabled(bundle, OPT_FILTERDECAP) &&
((const struct ip *)payload)->ip_v == 4) {
snprintf(logbuf + loglen, sizeof logbuf - loglen, " contains ");
result = PacketCheck(bundle, AF_INET, payload, nb - (payload - packet),
filter, logbuf, psecs);
loglen += strlen(logbuf + loglen);
if (result != -2)
return result;
}
break;
case IPPROTO_ESP:
if (logit && loglen < sizeof logbuf) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"ESP: %s ---> ", ncpaddr_ntoa(&srcaddr));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen, "%s, spi %p",
ncpaddr_ntoa(&dstaddr), payload);
loglen += strlen(logbuf + loglen);
}
break;
case IPPROTO_AH:
if (logit && loglen < sizeof logbuf) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"AH: %s ---> ", ncpaddr_ntoa(&srcaddr));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen, "%s, spi %p",
ncpaddr_ntoa(&dstaddr), payload + sizeof(u_int32_t));
loglen += strlen(logbuf + loglen);
}
break;
case IPPROTO_IGMP:
if (logit && loglen < sizeof logbuf) {
uh = (const struct udphdr *)payload;
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"IGMP: %s:%d ---> ", ncpaddr_ntoa(&srcaddr),
ntohs(uh->uh_sport));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s:%d", ncpaddr_ntoa(&dstaddr), ntohs(uh->uh_dport));
loglen += strlen(logbuf + loglen);
}
break;
case IPPROTO_TCP:
th = (const struct tcphdr *)payload;
if (tos == IPTOS_LOWDELAY && bundle->ncp.cfg.urgent.tos)
pri++;
if (!frag && ncp_IsUrgentTcpPort(&bundle->ncp, ntohs(th->th_sport),
ntohs(th->th_dport)))
pri++;
else if (!frag && ncp_IsUrgentTcpLen(&bundle->ncp, datalen))
pri++;
if (logit && loglen < sizeof logbuf) {
len = datalen - (th->th_off << 2);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"TCP: %s:%d ---> ", ncpaddr_ntoa(&srcaddr), ntohs(th->th_sport));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s:%d", ncpaddr_ntoa(&dstaddr), ntohs(th->th_dport));
loglen += strlen(logbuf + loglen);
n = 0;
for (mask = TH_FIN; mask != 0x40; mask <<= 1) {
if (th->th_flags & mask) {
snprintf(logbuf + loglen, sizeof logbuf - loglen, " %s", TcpFlags[n]);
loglen += strlen(logbuf + loglen);
}
n++;
}
snprintf(logbuf + loglen, sizeof logbuf - loglen,
" seq:%lx ack:%lx (%d/%d)",
(u_long)ntohl(th->th_seq), (u_long)ntohl(th->th_ack), len, nb);
loglen += strlen(logbuf + loglen);
if ((th->th_flags & TH_SYN) && nb > 40) {
const u_short *sp;
sp = (const u_short *)(payload + 20);
if (ntohs(sp[0]) == 0x0204) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
" MSS = %d", ntohs(sp[1]));
loglen += strlen(logbuf + loglen);
}
}
snprintf(logbuf + loglen, sizeof logbuf - loglen, " pri:%d", pri);
loglen += strlen(logbuf + loglen);
}
break;
default:
if (prefix)
return -2;
if (logit && loglen < sizeof logbuf) {
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"<%d>: %s ---> ", cproto, ncpaddr_ntoa(&srcaddr));
loglen += strlen(logbuf + loglen);
snprintf(logbuf + loglen, sizeof logbuf - loglen,
"%s (%d)", ncpaddr_ntoa(&dstaddr), nb);
loglen += strlen(logbuf + loglen);
}
break;
}
if (filter && FilterCheck(packet, family, filter, psecs)) {
if (logit)
log_Printf(LogTCPIP, "%s - BLOCKED\n", logbuf);
result = -1;
} else {
/* Check Keep Alive filter */
if (logit && log_IsKept(LogTCPIP)) {
unsigned alivesecs;
alivesecs = 0;
if (filter &&
FilterCheck(packet, family, &bundle->filter.alive, &alivesecs))
log_Printf(LogTCPIP, "%s - NO KEEPALIVE\n", logbuf);
else if (psecs != NULL) {
if(*psecs == 0)
*psecs = alivesecs;
if (*psecs) {
if (*psecs != alivesecs)
log_Printf(LogTCPIP, "%s - (timeout = %d / ALIVE = %d secs)\n",
logbuf, *psecs, alivesecs);
else
log_Printf(LogTCPIP, "%s - (timeout = %d secs)\n", logbuf, *psecs);
} else
log_Printf(LogTCPIP, "%s\n", logbuf);
}
}
result = pri;
}
if (filter && uh && ntohs(uh->uh_dport) == 53 && log_IsKept(LogDNS))
ip_LogDNS(uh, filter->name);
return result;
} |
the_stack_data/1232620.c | #include <stdio.h>
int main()
{
int n = 5;
for (int i = n; i >= 1; i--) {
for (int j = 1; j < i*2; j++) {
printf("%d ", j);
}
printf("\n");
}
return 0;
} |
the_stack_data/725466.c | /*
Hello World Tutorial
*/
#include <stdio.h>
//Entry Point
//===========================================================================
int main(int argc, char **argv)
{
//Display "Hello World!"
printf("%s\n", "Hello World!");
return 0;
} |
the_stack_data/1072472.c | /*
* Copyright (c) 2017, 2018, Oracle and/or its affiliates.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used to
* endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
struct tiny {
int c;
};
main() {
struct tiny x[3];
x[0].c = 10;
x[1].c = 11;
x[2].c = 12;
struct tiny a = x[2];
return a.c;
}
|
the_stack_data/165767908.c | /*
Test that the function:
int killpg(pid_t, int);
is declared.
*/
#include <signal.h>
#include <sys/types.h>
typedef int (*killpg_test)(pid_t, int);
int dummyfcn (void)
{
killpg_test dummyvar;
dummyvar = killpg;
return 0;
}
|
the_stack_data/23090.c | #include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <assert.h>
#include <pthread.h>
#include <sys/time.h>
#define SOL
#define NBUCKET 5
#define NKEYS 100000
struct entry {
int key;
int value;
struct entry *next;
};
struct entry *table[NBUCKET];
int keys[NKEYS];
int nthread = 1;
volatile int done;
//declare lock for threads
pthread_mutex_t locks[NBUCKET];
double
now()
{
struct timeval tv;
gettimeofday(&tv, 0);
return tv.tv_sec + tv.tv_usec / 1000000.0;
}
static void
print(void)
{
int i;
struct entry *e;
for (i = 0; i < NBUCKET; i++) {
printf("%d: ", i);
for (e = table[i]; e != 0; e = e->next) {
printf("%d ", e->key);
}
printf("\n");
}
}
static void
insert(int key, int value, struct entry **p, struct entry *n)
{
struct entry *e = malloc(sizeof(struct entry));
e->key = key;
e->value = value;
e->next = n;
*p = e;
}
static
void put(int key, int value)
{
//for faster runtime
int i = key % NBUCKET;
struct entry *e = malloc(sizeof(struct entry));
struct entry **head = &table[i];
e->key = key;
e->value = value;
//acquire lock before insert in linked list
pthread_mutex_lock(&locks[i]);
e->next = *head;
*head = e;
//insert(key, value, &table[i], table[i]);
//release lock after insert
pthread_mutex_unlock(&locks[i]);
}
static struct entry*
get(int key)
{
struct entry *e = 0;
for (e = table[key % NBUCKET]; e != 0; e = e->next) {
if (e->key == key) break;
}
return e;
}
static void *
thread(void *xa)
{
long n = (long) xa;
int i;
int b = NKEYS/nthread;
int k = 0;
double t1, t0;
// printf("b = %d\n", b);
t0 = now();
for (i = 0; i < b; i++) {
// printf("%d: put %d\n", n, b*n+i);
put(keys[b*n + i], n);
}
t1 = now();
printf("%ld: put time = %f\n", n, t1-t0);
// Should use pthread_barrier, but MacOS doesn't support it ...
__sync_fetch_and_add(&done, 1);
while (done < nthread) ;
t0 = now();
for (i = 0; i < NKEYS; i++) {
struct entry *e = get(keys[i]);
if (e == 0) k++;
}
t1 = now();
printf("%ld: get time = %f\n", n, t1-t0);
printf("%ld: %d keys missing\n", n, k);
return NULL;
}
int
main(int argc, char *argv[])
{
pthread_t *tha;
void *value;
long i;
double t1, t0;
if (argc < 2) {
fprintf(stderr, "%s: %s nthread\n", argv[0], argv[0]);
exit(-1);
}
nthread = atoi(argv[1]);
tha = malloc(sizeof(pthread_t) * nthread);
srandom(0);
assert(NKEYS % nthread == 0);
for (i = 0; i < NKEYS; i++) {
keys[i] = random();
}
//initialize the locks
for(i = 0; i < NBUCKET; i++) {
pthread_mutex_init(&locks[i], NULL);
}
//proceed to create the threads
t0 = now();
for(i = 0; i < nthread; i++) {
assert(pthread_create(&tha[i], NULL, thread, (void *) i) == 0);
}
for(i = 0; i < nthread; i++) {
assert(pthread_join(tha[i], &value) == 0);
}
t1 = now();
printf("completion time = %f\n", t1-t0);
}
|
the_stack_data/937588.c | /*
* 计算两个整数的和与差
*/
#include <stdio.h>
void sum_diff(int a, int b, int *sum, int *diff){
*sum = a + b;
*diff = (a>b)? a-b: b-a;
}
int main(void){
int na,nb;
int wa=0, sa=0;
puts("input two numbers:");
printf("int A :"); scanf("%d", &na);
printf("int B :"); scanf("%d", &nb);
sum_diff(na, nb, &wa, &sa);
printf("两数之和：%d, 两数之差：%d \n", wa, sa);
return 0;
}
|
the_stack_data/182952524.c | // PARAM: --set ana.base.structs.domain "sets" --enable ana.int.interval
#include<assert.h>
#include<stdio.h>
struct FunctionInfo {
int id;
void* ptr;
};
struct FunctionInfo functionToRun;
int f1();
int f2();
int f3();
int f4();
int f5();
int f6();
int f7();
int example1() {
int a; // Which function to run
int b; // Size / difficulty of algorithm
if (b == 0) {
if (a == 1) {
functionToRun.id = 2; // [2,2]
functionToRun.ptr = f1;
} else if (a == 2) {
for (int i = 3; i < 5; i++) {
functionToRun.id = i; // [3,4]
functionToRun.ptr = f2;
}
} else if (a == 3) {
functionToRun.id = 15; // [15,15]
functionToRun.ptr = f3;
} else {
for (int i = 6; i < 8; i++) {
functionToRun.id = i; // [6,7]
functionToRun.ptr = f4;
}
}
} else {
if (a == 1) {
for (int i = 2; i < 4; i++) {
functionToRun.id = i; // [2,3]
functionToRun.ptr = f5;
}
} else if (a == 2) {
for (int i = 4; i < 7; i++) {
functionToRun.id = i; // [4,6]
functionToRun.ptr = f6;
}
} else {
for (int i = 7; i < 11; i++) {
functionToRun.id = i; // [7,10]
functionToRun.ptr = f7;
}
}
}
if (functionToRun.id == 2) {
assert(functionToRun.ptr == f1 || functionToRun.ptr == f5);
assert(functionToRun.ptr != f3);
} else if (functionToRun.id > 3 && functionToRun.id < 5) {
assert(functionToRun.ptr == f5 || functionToRun.ptr == f2 || functionToRun.ptr == f6);
assert(functionToRun.ptr != f3);
assert(functionToRun.ptr == f2 || functionToRun.ptr == f6); // TODO
}
return 0;
}
int main() {
example1();
return 0;
}
|
the_stack_data/22318.c | /*
Criptografia
https://www.urionlinejudge.com.br/judge/pt/problems/view/1024
*/
#include <stdio.h>
#include <string.h>
void process01(char *linha);
void process02(char *linha);
void process03(char *linha);
int main (void) {
int n, i;
char linha[1001];
scanf("%d\n", &n);
for (i = 0; i < n; i++) {
scanf("%[^\n]\n", linha);
process01(linha);
process02(linha);
process03(linha);
printf("%s\n", linha);
}
return 0;
}
void process01(char *linha) {
int i = 0;
while(linha[i] != 0) {
if ((linha[i] >= 'a' && linha[i]<= 'z')
|| (linha[i] >= 'A' && linha[i] <= 'Z')) {
linha[i] = linha[i] + 3;
}
i++;
}
}
void process02(char *linha) {
size_t length = strlen(linha);
char buffer;
int i;
for (i = 0; i < length / 2; i++) {
buffer = linha[i];
linha[i] = linha[length - i - 1];
linha[length - i - 1] = buffer;
}
}
void process03(char *linha) {
size_t length = strlen(linha);
int i;
for (i = length / 2; i < length; i++) {
linha[i] = linha[i] - 1;
}
}
|
the_stack_data/181393414.c | /**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
/**
* A negative test for --pointer-primitive-check flag
*/
void pointer_primitive_check_harness() {
char *pointer;
assert(__CPROVER_r_ok(pointer, 10));
}
|
the_stack_data/225142855.c | /*
** EPITECH PROJECT, 2017
** my_str_islower
** File description:
** islower
*/
int my_str_islower(char const *str)
{
int i;
for (i = 0; str[i] != '\0'; i++) {
if (str[i] < 'a' || str[i] > 'z')
return (0);
}
return (1);
}
|
the_stack_data/55816.c | #include <stdio.h>
#include <stdlib.h>
int main() {
FILE *wf, *rf;
char fn[] = "file_io.txt";
if ((wf = fopen(fn, "w")) == NULL) {
printf("error: can't open file!\n");
exit(1);
}
if ((rf = fopen(fn, "r")) == NULL) {
printf("error: can't open file!\n");
exit(1);
}
// write to file
int num1;
printf("type a number: ");
scanf("%d", &num1);
fprintf(wf, "%d", num1);
fflush(wf); // need fflush to ensure writting to kernel, otherwise need fclose
printf("number written down!\n");
// read from file
int num2;
fscanf(rf, "%d", &num2);
printf("number read out: %d\n", num2);
// close all
fclose(wf);
fclose(rf);
remove(fn); // remove is generic, while unlink is unix-specific
return 0;
} |
the_stack_data/132954354.c | /* The MIT License
cython/genreads.c is a modified version of the core loop of wgsim.c
(https://github.com/lh3/wgsim):
Copyright (c) 2008 Genome Research Ltd (GRL).
2011 Heng Li <[email protected]>
all other code:
Copyright (c) 2013,2018 Conrad Leonard <[email protected]>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
/*
* Changes 2013,2018 Conrad Leonard <[email protected]>
* This code intended to be called from Cython extension qasim.
*
* genreads() largely follows wgsim.c (https://github.com/lh3/wgsim)
* but using actual base representation of mutated sequence, rather than
* mutmsk and bitshifting to represent indels. This is much simpler and
* correctly generates reverse reads over insertions. Additionally we allow
* here per-base qualities and sequencing error from per-base Phred score.
*/
#include <stdlib.h>
#include <math.h>
#include <stdio.h>
#include <unistd.h>
#include <stdint.h>
#include <ctype.h>
#include <string.h>
/* Simple normal random number generator, copied from genran.c */
double rand_normal(void)
{
static int iset = 0;
static double gset;
double fac, rsq, v1, v2;
if (iset == 0) {
do {
v1 = 2.0 * drand48() - 1.0;
v2 = 2.0 * drand48() - 1.0;
rsq = v1 * v1 + v2 * v2;
} while (rsq >= 1.0 || rsq == 0.0);
fac = sqrt(-2.0 * log(rsq) / rsq);
gset = v1 * fac;
iset = 1;
return v2 * fac;
} else {
iset = 0;
return gset;
}
}
int genreads(FILE *fpout1, FILE *fpout2, uint8_t *s1, uint8_t *s2,
uint32_t *rel1, uint32_t *rel2, uint32_t len1, uint32_t len2,
uint64_t n_pairs, int dist, int std_dev, int size_l, int size_r,
double ERR_RATE, double MAX_N_RATIO, const char *seqname,
int num_quals, double ***p, char ***q, double **conversions,
int wgsim_mode)
{
uint8_t *rseq[2] = { s1, s2 }; // base sequence
uint32_t *rel[2] = { rel1, rel2 }; // reference-relative positions
uint64_t ii;
int i, size[2], Q, max_size;
char *qstr[2];
double *pvals[2];
uint8_t *tmp_seq[2];
uint8_t *target;
uint32_t *target_rel;
uint32_t len[2] = { len1, len2 }, target_len;
max_size = size_l > size_r? size_l : size_r;
qstr[0] = (char*)calloc(max_size+1, 1);
qstr[1] = (char*)calloc(max_size+1, 1);
pvals[0] = (double*)calloc(max_size+1, sizeof(double));
pvals[1] = (double*)calloc(max_size+1, sizeof(double));
tmp_seq[0] = (uint8_t*)calloc(max_size+2, 1);
tmp_seq[1] = (uint8_t*)calloc(max_size+2, 1);
size[0] = size_l; size[1] = size_r;
// 'I' corresponds to a QUAL of 40 => ERR_RATE = 0.0001
Q = (ERR_RATE == 0.0)? 'I' : (int)(-10.0 * log(ERR_RATE) / log(10.0) + 0.499) + 33;
for (ii = 0; ii != n_pairs; ++ii) {
double ransz, convrate, ranerr;
int d, pos, s[2], is_flip = 0, ran01, ranq;
int n_err[2], ext_coor[2], j, k, r1r2, to_base;
FILE *fpo[2];
// generate the read sequences
ran01 = drand48()<0.5?0:1; // haplotype from which the reads are generated
target = rseq[ran01];
target_rel = rel[ran01];
target_len = len[ran01];
n_err[0] = n_err[1] = 0;
do { // avoid boundary failure
ransz = rand_normal();
ransz = ransz * std_dev + dist;
d = (int)(ransz + 0.5);
// ensure frag length > read length
d = d > max_size? d : max_size;
pos = (int)((target_len - d + 1) * drand48());
} while (pos < 0 || pos + d - 1 >= (int)target_len);
// flip pair or not
if (drand48() < 0.5) {
fpo[0] = fpout1; fpo[1] = fpout2;
s[0] = size[0]; s[1] = size[1];
} else {
is_flip = 1;
fpo[0] = fpout2; fpo[1] = fpout1;
s[0] = size[1]; s[1] = size[0];
}
// tmp_seq[0] is first read if not is_flip, second read otherwise
ext_coor[0] = target_rel[pos];
for (i = pos, k = 0; k < s[0]; i++) {
tmp_seq[0][k++] = target[i];
}
// tmp_seq[1] is second read if not is_flip, first read otherwise
ext_coor[1] = target_rel[pos + d - 1];
for (i = pos + d - 1, k = 0; k < s[1]; i--) { // reverse complement
tmp_seq[1][k++] = target[i] < 4? 3 - target[i] : 4;
}
// make quality strings
for (j = 0; j < 2; j++) {
r1r2 = is_flip == 1? 1 - j : j;
if (num_quals) {
ranq = (int)(drand48() * num_quals);
for (i = 0; i < s[j]; ++i) {
qstr[j][i] = q[r1r2][ranq][i] + 33; // qual string from distribution
pvals[j][i] = p[r1r2][ranq][i];
}
} else {
for (i = 0; i < s[j]; ++i) qstr[j][i] = Q; // qual string from fixed ERR_RATE
}
}
// generate random conversions & sequencing errors
for (j = 0; j < 2; ++j) {
int n_n = 0;
for (i = 0; i < s[j]; ++i) {
int c = tmp_seq[j][i];
ranerr = drand48();
if (c < 4) {
// conversions
for (to_base = 0; to_base < 4; ++to_base) {
convrate = conversions[c][to_base];
if (c != to_base && convrate > 0 && drand48() < convrate) {
c = to_base;
}
}
// sequencing error
if ((num_quals && (ranerr < pvals[j][i])) || // error from qual score
(!num_quals && (ranerr < ERR_RATE))){ // error from fixed rate
c = (c + (int)(drand48() * 3.0 + 1)) & 3;
++n_err[j];
}
} else {
// ambiguous
c = 4;
++n_n;
}
tmp_seq[j][i] = c;
}
if ((double)n_n / s[j] > MAX_N_RATIO) break;
}
if (j < 2) { // too many ambiguous bases on one of the reads
--ii;
continue;
}
// print
for (j = 0; j < 2; ++j) {
fprintf(fpo[j], "@%s_%u_%u_e%d_e%d_%llx/%d\n", seqname,
// wgsim prints [0] then [1]
wgsim_mode==1? ext_coor[0] : ext_coor[is_flip],
wgsim_mode==1? ext_coor[1] : ext_coor[1 - is_flip],
wgsim_mode==1? n_err[0] : n_err[is_flip],
wgsim_mode==1? n_err[1] : n_err[1 - is_flip],
(long long)ii,
is_flip==0? j+1 : 2-j);
for (i = 0; i < s[j]; ++i)
fputc("ACGTN"[(int)tmp_seq[j][i]], fpo[j]);
fprintf(fpo[j], "\n+\n%s\n", qstr[j]);
}
}
fflush(fpout1); fflush(fpout2);
free(qstr[0]); free(qstr[1]);
free(pvals[0]); free(pvals[1]);
free(tmp_seq[0]); free(tmp_seq[1]);
return 0;
}
|
the_stack_data/98576217.c | #include <stdlib.h>
lldiv_t lldiv(long long num, long long den)
{
return (lldiv_t){ num/den, num%den };
}
|
the_stack_data/1202613.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <CL/cl.h>
unsigned char *read_buffer(char *file_name, size_t *size_ptr)
{
FILE *f;
unsigned char *buf;
size_t size;
/* Open file */
f = fopen(file_name, "rb");
if (!f)
return NULL;
/* Obtain file size */
fseek(f, 0, SEEK_END);
size = ftell(f);
fseek(f, 0, SEEK_SET);
/* Allocate and read buffer */
buf = malloc(size + 1);
fread(buf, 1, size, f);
buf[size] = '\0';
/* Return size of buffer */
if (size_ptr)
*size_ptr = size;
/* Return buffer */
return buf;
}
void write_buffer(char *file_name, const char *buffer, size_t buffer_size)
{
FILE *f;
/* Open file */
f = fopen(file_name, "w+");
/* Write buffer */
if(buffer)
fwrite(buffer, 1, buffer_size, f);
/* Close file */
fclose(f);
}
int main(int argc, char const *argv[])
{
/* Get platform */
cl_platform_id platform;
cl_uint num_platforms;
cl_int ret = clGetPlatformIDs(1, &platform, &num_platforms);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clGetPlatformIDs' failed\n");
exit(1);
}
printf("Number of platforms: %d\n", num_platforms);
printf("platform=%p\n", platform);
/* Get platform name */
char platform_name[100];
ret = clGetPlatformInfo(platform, CL_PLATFORM_NAME, sizeof(platform_name), platform_name, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clGetPlatformInfo' failed\n");
exit(1);
}
printf("platform.name='%s'\n\n", platform_name);
/* Get device */
cl_device_id device;
cl_uint num_devices;
ret = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 1, &device, &num_devices);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clGetDeviceIDs' failed\n");
exit(1);
}
printf("Number of devices: %d\n", num_devices);
printf("device=%p\n", device);
/* Get device name */
char device_name[100];
ret = clGetDeviceInfo(device, CL_DEVICE_NAME, sizeof(device_name),
device_name, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clGetDeviceInfo' failed\n");
exit(1);
}
printf("device.name='%s'\n", device_name);
printf("\n");
/* Create a Context Object */
cl_context context;
context = clCreateContext(NULL, 1, &device, NULL, NULL, &ret);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clCreateContext' failed\n");
exit(1);
}
printf("context=%p\n", context);
/* Create a Command Queue Object*/
cl_command_queue command_queue;
command_queue = clCreateCommandQueue(context, device, 0, &ret);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clCreateCommandQueue' failed\n");
exit(1);
}
printf("command_queue=%p\n", command_queue);
printf("\n");
/* Program source */
unsigned char *source_code;
size_t source_length;
/* Read program from 'pre_decrement_uint4.cl' */
source_code = read_buffer("pre_decrement_uint4.cl", &source_length);
/* Create a program */
cl_program program;
program = clCreateProgramWithSource(context, 1, (const char **)&source_code, &source_length, &ret);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clCreateProgramWithSource' failed\n");
exit(1);
}
printf("program=%p\n", program);
/* Build program */
ret = clBuildProgram(program, 1, &device, NULL, NULL, NULL);
if (ret != CL_SUCCESS )
{
size_t size;
char *log;
/* Get log size */
clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG,0, NULL, &size);
/* Allocate log and print */
log = malloc(size);
clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG,size, log, NULL);
printf("error: call to 'clBuildProgram' failed:\n%s\n", log);
/* Free log and exit */
free(log);
exit(1);
}
printf("program built\n");
printf("\n");
/* Create a Kernel Object */
cl_kernel kernel;
kernel = clCreateKernel(program, "pre_decrement_uint4", &ret);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clCreateKernel' failed\n");
exit(1);
}
/* Create and allocate host buffers */
size_t num_elem = 10;
/* Create and init host side src buffer 0 */
cl_uint4 *src_0_host_buffer;
src_0_host_buffer = malloc(num_elem * sizeof(cl_uint4));
for (int i = 0; i < num_elem; i++)
src_0_host_buffer[i] = (cl_uint4){{2, 2, 2, 2}};
/* Create and init device side src buffer 0 */
cl_mem src_0_device_buffer;
src_0_device_buffer = clCreateBuffer(context, CL_MEM_READ_ONLY, num_elem * sizeof(cl_uint4), NULL, &ret);
if (ret != CL_SUCCESS)
{
printf("error: could not create source buffer\n");
exit(1);
}
ret = clEnqueueWriteBuffer(command_queue, src_0_device_buffer, CL_TRUE, 0, num_elem * sizeof(cl_uint4), src_0_host_buffer, 0, NULL, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clEnqueueWriteBuffer' failed\n");
exit(1);
}
/* Create host dst buffer */
cl_uint4 *dst_host_buffer;
dst_host_buffer = malloc(num_elem * sizeof(cl_uint4));
memset((void *)dst_host_buffer, 1, num_elem * sizeof(cl_uint4));
/* Create device dst buffer */
cl_mem dst_device_buffer;
dst_device_buffer = clCreateBuffer(context, CL_MEM_WRITE_ONLY, num_elem *sizeof(cl_uint4), NULL, &ret);
if (ret != CL_SUCCESS)
{
printf("error: could not create dst buffer\n");
exit(1);
}
/* Set kernel arguments */
ret = CL_SUCCESS;
ret |= clSetKernelArg(kernel, 0, sizeof(cl_mem), &src_0_device_buffer);
ret |= clSetKernelArg(kernel, 1, sizeof(cl_mem), &dst_device_buffer);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clSetKernelArg' failed\n");
exit(1);
}
/* Launch the kernel */
size_t global_work_size = num_elem;
size_t local_work_size = num_elem;
ret = clEnqueueNDRangeKernel(command_queue, kernel, 1, NULL, &global_work_size, &local_work_size, 0, NULL, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clEnqueueNDRangeKernel' failed\n");
exit(1);
}
/* Wait for it to finish */
clFinish(command_queue);
/* Read results from GPU */
ret = clEnqueueReadBuffer(command_queue, dst_device_buffer, CL_TRUE,0, num_elem * sizeof(cl_uint4), dst_host_buffer, 0, NULL, NULL);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clEnqueueReadBuffer' failed\n");
exit(1);
}
/* Dump dst buffer to file */
char dump_file[100];
sprintf((char *)&dump_file, "%s.result", argv[0]);
write_buffer(dump_file, (const char *)dst_host_buffer, num_elem * sizeof(cl_uint4));
printf("Result dumped to %s\n", dump_file);
/* Free host dst buffer */
free(dst_host_buffer);
/* Free device dst buffer */
ret = clReleaseMemObject(dst_device_buffer);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseMemObject' failed\n");
exit(1);
}
/* Free host side src buffer 0 */
free(src_0_host_buffer);
/* Free device side src buffer 0 */
ret = clReleaseMemObject(src_0_device_buffer);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseMemObject' failed\n");
exit(1);
}
/* Release kernel */
ret = clReleaseKernel(kernel);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseKernel' failed\n");
exit(1);
}
/* Release program */
ret = clReleaseProgram(program);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseProgram' failed\n");
exit(1);
}
/* Release command queue */
ret = clReleaseCommandQueue(command_queue);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseCommandQueue' failed\n");
exit(1);
}
/* Release context */
ret = clReleaseContext(context);
if (ret != CL_SUCCESS)
{
printf("error: call to 'clReleaseContext' failed\n");
exit(1);
}
return 0;
} |
the_stack_data/200143732.c | #include <stdio.h>
#include <stdlib.h>
int imprimeN(int, int );
int main()
{
int comeco = 1, sfim = 21;
printf("Funcao Recursiva\n");
imprimeN(comeco, sfim); //Chamada da funcao recursiva
printf("\n\n");
printf("Funcao iterativa for\n");
for (int i = comeco; i < sfim; i++)
{
printf("%d ", i);
}
printf("\n\n");
printf("Funcao iterativa while\n");
while (comeco < sfim)
{
printf("%d ", comeco);
comeco++;
}
printf("\n\n");
system("pause");
return 0;
}
int imprimeN(int comeco, int sfim) //Funcao recursiva
{
if (comeco < sfim)
{
printf("%d ", comeco);
imprimeN(comeco + 1, sfim);
}
} |
the_stack_data/592407.c | int main()
{
int *p = (int *)4;
__CPROVER_allocated_memory(4, sizeof(int));
int i;
int **q;
char *pp;
*p = 0x01020304;
__CPROVER_assert(*p == 0x01020304, "*p==0x01020304");
__CPROVER_assert(p != 0, "p!=0");
pp = (char *)p;
__CPROVER_assert(pp[0] == 4, "byte-wise *p (0)");
__CPROVER_assert(pp[1] == 3, "byte-wise *p (1)");
__CPROVER_assert(pp[2] == 2, "byte-wise *p (2)");
__CPROVER_assert(pp[3] == 1, "byte-wise *p (3)");
p = (int *)i;
if(i == 0)
__CPROVER_assert(p == 0, "i==0 => p==NULL");
q = (int **)8;
__CPROVER_allocated_memory(8, sizeof(int *));
*q = &i;
**q = 0x01020304;
__CPROVER_assert(i == 0x01020304, "**q");
}
|
the_stack_data/75138255.c | /*
* PingPongPipe.c
*
* Created on: 28 mag 2020
* Author: davide
*
* https://github.com/marcotessarotto/esercizio-2020-05-22-ping-pong
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <semaphore.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <sys/mman.h>
#define CHECK_ERR_MMAP(a,msg) {if ((a) == MAP_FAILED) { perror((msg)); exit(EXIT_FAILURE); } }
#define MAX_VALUE 1000000
int parent_pipe_fd[2];
int child_pipe_fd[2];
int buf; //buf utilizzato da entrambi i processi
void child_process() {
close(parent_pipe_fd[1]); // chiudiamo l'estremità di scrittura della pipe, non ci serve
int byteRead;
while (1) {
byteRead = read(parent_pipe_fd[0], &buf, sizeof(int));
if (byteRead == -1) {
perror("errore in read");
exit(EXIT_FAILURE);
}
if (buf > MAX_VALUE - 1) {
printf("Finished! value = %d\n", buf);
write(child_pipe_fd[1], &buf, sizeof(int));
exit(EXIT_SUCCESS);
}
buf++;
write(child_pipe_fd[1], &buf, sizeof(int));
}
}
int main(int argc, char *argv[]) {
if (pipe(parent_pipe_fd) == -1) {
perror("problema con pipe");
exit(EXIT_FAILURE);
}
if (pipe(child_pipe_fd) == -1) {
perror("problema con pipe");
exit(EXIT_FAILURE);
}
switch (fork()) {
case -1:
perror("problema con fork");
exit(EXIT_FAILURE);
case 0: // processo FIGLIO: leggerà dalla PIPE
child_process();
}
close(child_pipe_fd[1]);
write(parent_pipe_fd[1], &buf, sizeof(int));
int byteRead;
while (1) {
byteRead = read(child_pipe_fd[0], &buf, sizeof(int));
if (byteRead == -1) {
perror("errore in read");
exit(EXIT_FAILURE);
}
if (buf > MAX_VALUE - 1) {
printf("Finished! value = %d\n", buf);
write(parent_pipe_fd[1], &buf, sizeof(int));
exit(EXIT_SUCCESS);
}
buf++;
write(parent_pipe_fd[1], &buf, sizeof(int));
}
}
|
the_stack_data/36075933.c | #include <stdio.h>
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define max(a,b) (((a) > (b)) ? (a) : (b))
int main(void)
{int a = 0, b = 0;
int soma = 0;
while(scanf("%d %d", &a, &b) == 2)
{
if(a <= 0 || b <= 0)
{
break;
}
int min = min(a, b);
int max = max(a, b);
while(min <= max)
{
printf("%d ", min);
soma += min;
min++;
}
printf("Sum=%d\n", soma);
soma = 0;
}
return 0;
} |
the_stack_data/70203.c | #include <stdio.h>
#include <string.h>
#define MAXLINES 5000 /* max #lines to be sorted */
char *lineptr[MAXLINES];
char linestor[MAXLINES];
int readlines(char *lineptr[], char *linestor, int nlines);
void writelines(char *lineptr[], int nlines);
void qsort(char *lineptr[], int left, int right);
/* sort input lines */
int main(void)
{
int nlines; /* number of input lines read */
if ((nlines = readlines(lineptr, linestor, MAXLINES)) >= 0)
{
qsort(lineptr, 0, nlines - 1);
writelines(lineptr, nlines);
return 0;
}
else
{
printf("error: input too big to sort \n");
return 1;
}
}
#define MAXLEN 1000 /* max length of any input line */
#define MAXSTOR 5000
int mgetline(char *, int);
char *alloc(int);
/* readlines: read input lines */
int readlines(char *lineptr[], char *linestor, int maxlines)
{
int len, nlines;
char line[MAXLEN];
char *p = linestor;
char *linestop = linestor + MAXSTOR;
nlines = 0;
while ((len = mgetline(line, MAXLEN)) > 0)
if (nlines >= maxlines || p + len > linestop)
return -1;
else
{
line[len - 1] = '\0';
strcpy(p, line);
lineptr[nlines++] = p;
p += len;
}
return nlines;
}
/* writelines: write output lines */
void writelines(char *lineptr[], int nlines)
{
int i;
for (i = 0; i < nlines; i++)
printf("%s\n", lineptr[i]);
}
/* qsort: sort v[left] ... v[right] into increasing order */
void qsort(char *v[], int left, int right)
{
int i, last;
void swap(char *v[], int i, int j);
if (left >= right)
return;
swap(v, left, (left + right) / 2);
last = left;
for (i = left + 1; i <= right; i++)
if (strcmp(v[i], v[left]) < 0)
swap(v, ++last, i);
swap(v, left, last);
qsort(v, left, last - 1);
qsort(v, last + 1, right);
}
/* swap: interchange v[i] and v[j] */
void swap(char *v[], int i, int j)
{
char *temp;
temp = v[i];
v[i] = v[j];
v[j] = temp;
}
#define ALLOCSIZE 10000 /* size of available space */
static char allocbuf[ALLOCSIZE]; /* storage for alloc */
static char *allocp = allocbuf; /* next free position */
char *alloc(int n) /* return pointer to n characters */
{
if (allocbuf + ALLOCSIZE - allocp >= n)
{
allocp += n;
return allocp - n;
}
else
return 0;
}
int mgetline(char *s, int lim)
{
int c;
char *t = s;
while (--lim > 0 && (c = getchar()) != EOF && c != '\n')
*s++ = c;
if (c == '\n')
*s++ = c;
*s = '\0';
return s - t;
}
|
the_stack_data/57545.c | // RUN: %libomp-compile-and-run
#include <stdio.h>
#include <omp.h>
/*
* This test would hang when level instead of active level
* used to push task state.
*/
int main()
{
// If num_threads is changed to a value greater than 1, then the test passes
#pragma omp parallel num_threads(1)
{
#pragma omp parallel
printf("Hello World from thread %d\n", omp_get_thread_num());
}
printf("omp_num_threads: %d\n", omp_get_max_threads());
#pragma omp parallel
{
#pragma omp master
#pragma omp task default(none)
{
printf("%d is executing this task\n", omp_get_thread_num());
}
}
printf("pass\n");
return 0;
}
|
the_stack_data/375.c | /**/
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
int value, digit;
printf("\nEnter an integer > ");
scanf("%d", &value);
printf("\n");
if (value>=0){
while (value!=0) {
digit=value%10;
value=value/10;
printf("%d\n", digit);
}
}
if (value<0) {
while (value<-10) {
digit=abs(value%10);
value=value/10;
printf("%d\n", digit);
}
digit=value%10;
printf("%d\n", digit);
}
printf("That's all, have a nice day!\n");
return(0);
}
|
the_stack_data/206392503.c | // All modern Unices include this file, which can make things a bit nicer. Pull it in.
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#include <sys/param.h>
#endif
// Figuring out which OS it is is a giant PITA in C :-(
#ifdef _WIN32
#define OS_WINDOWS 1
#ifdef _WIN64
#define OS_WIN64 1
#else
#define OS_WIN32 1
#endif
#elif __APPLE__
#include "TargetConditionals.h"
#if TARGET_IPHONE_SIMULATOR
#define OS_IOS 1
#define OS_IOS_SIMULATOR 1
#elif TARGET_OS_IPHONE
#define OS_IOS 1
#elif TARGET_OS_MAC
#define OS_MACOS 1
#else
#error "Unknown Apple platform"
#endif
#elif __linux__
#define OS_LINUX 1
#elif defined(BSD)
#define OS_BSD 1
#endif
// General platforms
#if __unix__
#define OS_UNIX 1
#endif
#if defined(_POSIX_VERSION)
#define OS_POSIX 1
#endif
#if !defined(OS_LINUX) && !defined(OS_MACOS) && !defined(OS_IOS) && !defined(OS_WINDOWS) && !defined(OS_BSD)
#error "Unknown compiler"
#endif
#include <stdlib.h>
#include <stdint.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <ifaddrs.h>
// Only need this function on OS X.
#if defined(OS_MACOS) || defined(OS_BSD)
#include <net/if_dl.h>
uint8_t* rust_LLADDR(struct ifaddrs* ifap) {
return (uint8_t *)LLADDR((struct sockaddr_dl *)(ifap)->ifa_addr);
}
#endif
|
the_stack_data/18889182.c | #include <stdio.h>
#include <stdlib.h>
#define N 10
float *remontee(float A[N][N], float B[N], int n)
{
/* A hint: you cant return an array which is allocated in the stack memory. \
** you may consider to create a dynamically allocated array and return a pointer to it. \
** https://gribblelab.org/CBootCamp/7_Memory_Stack_vs_Heap.html
*/
float *x;
x = malloc(sizeof(float) * n);
/******Implement the solution here******/
x[n-1]=B[n-1]/A[n-1][n-1];
for(int i=n-2;i>=0;i--){
float sum=0;
for(int j=i;j<n;j++){
sum+=A[i][j]*x[j];
}
x[i]=(B[i]-sum)/A[i][i];
}
return x;
}
int main()
{
float A[N][N], B[N];
float *x;
int n;
printf("Enter the size of the matrix: ");
scanf("%d", &n);
/* Filling the matrix A */
printf("Filling the matrix A\n");
for(int i = 0; i < n; i++)
{
for(int j = 0; j < n; j++)
{
printf("A[%d][%d] = ", i, j);
scanf("%f", &A[i][j]);
}
}
/* Filling the vector B*/
printf("Filling the vector B\n");
for (int i = 0; i < n; i++)
{
printf("B[%d] = ", i);
scanf("%f", &B[i]);
}
/* The calculation of the result */
x = remontee(A, B, n);
/* Printing the results */
printf("\nThe resulting vector: [");
for (int i = 0; i < n; i++)
printf("%f%c", x[i], ",]"[i == n - 1]);
}
|
the_stack_data/20449379.c | #include <stdio.h>
#include <stdlib.h>
void shellSort(int *A, int N);
int cnt;
int main(int argc, char const* argv[])
{
int N;
scanf("%d", &N);
int *A = (int *)malloc(N * sizeof(int));
for (int i = 0; i < N; i++) {
scanf("%d", &A[i]);
}
shellSort(A, N);
printf("%d\n", cnt);
for (int i = 0; i < N; i++) {
printf("%d\n", A[i]);
}
free(A);
return 0;
}
void insertionSort(int *A, int N, int g) {
for (int i = g; i < N; i++) {
int v = A[i];
int j = i - g;
while (j >= 0 && A[j] > v) {
A[j+g] = A[j];
j -= g;
cnt++;
}
A[j+g] = v;
}
}
void shellSort(int *A, int N) {
cnt = 0;
int m = 0, g = 1;
while (g <= N) {
g = 3 * g + 1;
m++;
}
printf("%d\n", m);
int *G = (int *)malloc(m * sizeof(int));
G[0] = 1;
for (int i = 0; i < m-1; i++) {
G[i+1] = 3*G[i] + 1;
}
for (int i = m-1; i >= 0; i--) {
if (i < m-1) printf(" ");
printf("%d", G[i]);
}
printf("\n");
for (int i = m-1; i >= 0; i--) {
insertionSort(A, N, G[i]);
}
free(G);
}
|
the_stack_data/90745.c | const char* zlibVersion()
{
return "my";
}
|
the_stack_data/18841.c | #include <stdio.h>
//#include <string.h>
/* str1, str2 are the strings that are going to be compared in that order
string_to is the string we are copying to
string_from is the string we are copying from
maxchars is the maximum number of characters we are copying
*/
/*int meincmp(char* str1, char* str2)
{
return strcmp(str1,str2);
}
char * mystrcpy(char* string_to, char*string_from)
{
return strcpy(string_to, string_from);
}
char * mystrncpy(char* string_to, char*string_from, int maxchars)
{
return strncpy(string_to, string_from, maxchars);
}*/
int meinstrcmp (char* str1, char* str2)
{
for (int i=0; str1[i]; i++)
{
if (str1[i]>str2[i])
return 1;
else if (str1[i]<str2[i])
return -1;
}
int lenght1=0, lenght2=0;
for (int i=0; str1[i]; i++)
lenght1++;
for (int i=0; str2[i]; i++)
lenght2++;
if (lenght1>lenght2)
return 1;
else if (lenght1<lenght2)
return -1;
else return 0;
}
char* mystrcpy (char* string_to, char* string_from)
{
int i;
for (i=0; string_from[i]; i++)
string_to[i]=string_from[i];
string_to[i]=0;
return string_to;
}
char* mystrncpy (char* string_to, char* string_from, int maxlenght)
{
int i;
for (i=0; string_from[i] && i<maxlenght; i++)
string_to[i]=string_from[i];
string_to[i]=0;
return string_to;
} |
the_stack_data/22013749.c | /*
*
* A test for the patch "Allow compaction of unevictable pages".
* With this patch we should be able to allocate at least 1/4
* of RAM in huge pages. Without the patch much less is
* allocated.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/resource.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#define MAP_SIZE 1048576
struct map_list {
void *map;
struct map_list *next;
};
int read_memory_info(unsigned long *memfree, unsigned long *hugepagesize)
{
char buffer[256] = {0};
char *cmd = "cat /proc/meminfo | grep -i memfree | grep -o '[0-9]*'";
FILE *cmdfile = popen(cmd, "r");
if (!(fgets(buffer, sizeof(buffer), cmdfile))) {
perror("Failed to read meminfo\n");
return -1;
}
pclose(cmdfile);
*memfree = atoll(buffer);
cmd = "cat /proc/meminfo | grep -i hugepagesize | grep -o '[0-9]*'";
cmdfile = popen(cmd, "r");
if (!(fgets(buffer, sizeof(buffer), cmdfile))) {
perror("Failed to read meminfo\n");
return -1;
}
pclose(cmdfile);
*hugepagesize = atoll(buffer);
return 0;
}
int prereq(void)
{
char allowed;
int fd;
fd = open("/proc/sys/vm/compact_unevictable_allowed",
O_RDONLY | O_NONBLOCK);
if (fd < 0) {
perror("Failed to open\n"
"/proc/sys/vm/compact_unevictable_allowed\n");
return -1;
}
if (read(fd, &allowed, sizeof(char)) != sizeof(char)) {
perror("Failed to read from\n"
"/proc/sys/vm/compact_unevictable_allowed\n");
close(fd);
return -1;
}
close(fd);
if (allowed == '1')
return 0;
return -1;
}
int check_compaction(unsigned long mem_free, unsigned int hugepage_size)
{
int fd;
int compaction_index = 0;
char initial_nr_hugepages[10] = {0};
char nr_hugepages[10] = {0};
/* We want to test with 80% of available memory. Else, OOM killer comes
in to play */
mem_free = mem_free * 0.8;
fd = open("/proc/sys/vm/nr_hugepages", O_RDWR | O_NONBLOCK);
if (fd < 0) {
perror("Failed to open /proc/sys/vm/nr_hugepages");
return -1;
}
if (read(fd, initial_nr_hugepages, sizeof(initial_nr_hugepages)) <= 0) {
perror("Failed to read from /proc/sys/vm/nr_hugepages");
goto close_fd;
}
/* Start with the initial condition of 0 huge pages*/
if (write(fd, "0", sizeof(char)) != sizeof(char)) {
perror("Failed to write 0 to /proc/sys/vm/nr_hugepages\n");
goto close_fd;
}
lseek(fd, 0, SEEK_SET);
/* Request a large number of huge pages. The Kernel will allocate
as much as it can */
if (write(fd, "100000", (6*sizeof(char))) != (6*sizeof(char))) {
perror("Failed to write 100000 to /proc/sys/vm/nr_hugepages\n");
goto close_fd;
}
lseek(fd, 0, SEEK_SET);
if (read(fd, nr_hugepages, sizeof(nr_hugepages)) <= 0) {
perror("Failed to re-read from /proc/sys/vm/nr_hugepages\n");
goto close_fd;
}
/* We should have been able to request at least 1/3 rd of the memory in
huge pages */
compaction_index = mem_free/(atoi(nr_hugepages) * hugepage_size);
if (compaction_index > 3) {
printf("No of huge pages allocated = %d\n",
(atoi(nr_hugepages)));
fprintf(stderr, "ERROR: Less that 1/%d of memory is available\n"
"as huge pages\n", compaction_index);
goto close_fd;
}
printf("No of huge pages allocated = %d\n",
(atoi(nr_hugepages)));
lseek(fd, 0, SEEK_SET);
if (write(fd, initial_nr_hugepages, strlen(initial_nr_hugepages))
!= strlen(initial_nr_hugepages)) {
perror("Failed to write value to /proc/sys/vm/nr_hugepages\n");
goto close_fd;
}
close(fd);
return 0;
close_fd:
close(fd);
printf("Not OK. Compaction test failed.");
return -1;
}
int main(int argc, char **argv)
{
struct rlimit lim;
struct map_list *list, *entry;
size_t page_size, i;
void *map = NULL;
unsigned long mem_free = 0;
unsigned long hugepage_size = 0;
unsigned long mem_fragmentable = 0;
if (prereq() != 0) {
printf("Either the sysctl compact_unevictable_allowed is not\n"
"set to 1 or couldn't read the proc file.\n"
"Skipping the test\n");
return 0;
}
lim.rlim_cur = RLIM_INFINITY;
lim.rlim_max = RLIM_INFINITY;
if (setrlimit(RLIMIT_MEMLOCK, &lim)) {
perror("Failed to set rlimit:\n");
return -1;
}
page_size = getpagesize();
list = NULL;
if (read_memory_info(&mem_free, &hugepage_size) != 0) {
printf("ERROR: Cannot read meminfo\n");
return -1;
}
mem_fragmentable = mem_free * 0.8 / 1024;
while (mem_fragmentable > 0) {
map = mmap(NULL, MAP_SIZE, PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE | MAP_LOCKED, -1, 0);
if (map == MAP_FAILED)
break;
entry = malloc(sizeof(struct map_list));
if (!entry) {
munmap(map, MAP_SIZE);
break;
}
entry->map = map;
entry->next = list;
list = entry;
/* Write something (in this case the address of the map) to
* ensure that KSM can't merge the mapped pages
*/
for (i = 0; i < MAP_SIZE; i += page_size)
*(unsigned long *)(map + i) = (unsigned long)map + i;
mem_fragmentable--;
}
for (entry = list; entry != NULL; entry = entry->next) {
munmap(entry->map, MAP_SIZE);
if (!entry->next)
break;
entry = entry->next;
}
if (check_compaction(mem_free, hugepage_size) == 0)
return 0;
return -1;
}
|
the_stack_data/167329496.c | // Banker’s algorithm
#include <stdio.h>
int current[5][5], maximum_claim[5][5], available[5];
int allocation[5] = {0, 0, 0, 0, 0};
int maxres[5], running[5], safe = 0;
int counter = 0, i, j, exec, resources, processes, k = 1;
int main()
{
printf("\nEnter number of processes: ");
scanf("%d", &processes);
for (i = 0; i < processes; i++)
{
running[i] = 1;
counter++;
}
printf("\nEnter number of resources: ");
scanf("%d", &resources);
printf("\nEnter Claim Vector:");
for (i = 0; i < resources; i++)
scanf("%d", &maxres[i]);
printf("\nEnter Allocated Resource Table:\n");
for (i = 0; i < processes; i++)
{
for (j = 0; j < resources; j++)
scanf("%d", ¤t[i][j]);
}
printf("\nEnter Maximum Claim Table:\n");
for (i = 0; i < processes; i++)
{
for (j = 0; j < resources; j++)
scanf("%d", &maximum_claim[i][j]);
}
printf("\nThe Claim Vector is: ");
for (i = 0; i < resources; i++)
printf("\t%d", maxres[i]);
printf("\nThe Allocated Resource Table:\n");
for (i = 0; i < processes; i++)
{
for (j = 0; j < resources; j++)
printf("\t%d", current[i][j]);
printf("\n");
}
printf("\nThe Maximum Claim Table:\n");
for (i = 0; i < processes; i++)
{
for (j = 0; j < resources; j++)
printf("\t%d", maximum_claim[i][j]);
printf("\n");
}
for (i = 0; i < processes; i++)
{
for (j = 0; j < resources; j++)
allocation[j] += current[i][j];
}
printf("\nAllocated resources:");
for (i = 0; i < resources; i++)
printf("\t%d", allocation[i]);
for (i = 0; i < resources; i++)
available[i] = maxres[i] - allocation[i];
printf("\nAvailable resources:");
for (i = 0; i < resources; i++)
printf("\t%d", available[i]);
printf("\n");
while (counter != 0)
{
safe = 0;
for (i = 0; i < processes; i++)
{
if (running[i])
{
exec = 1;
for (j = 0; j < resources; j++)
{
if (maximum_claim[i][j] - current[i][j] > available[j])
{
exec = 0;
break;
}
}
if (exec)
{
printf("\nProcess%d is executing\n", i + 1);
running[i] = 0;
counter--;
safe = 1;
for (j = 0; j < resources; j++)
{
available[j] += current[i][j];
}
break;
}
}
}
if (!safe)
{
printf("\nThe processes are in unsafe state.\n");
break;
}
else
{
printf("\nThe process is in safe state");
printf("\nAvailable vector:");
for (i = 0; i < resources; i++)
{
printf("\t%d", available[i]);
}
printf("\n");
}
}
return 0;
} |
the_stack_data/93888347.c | #include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define NUMBER_OF_CUSTOMERS 5
#define NUMBER_OF_RESOURCES 4
#define INIT_FILE "resources.txt"
/* the available amount of each resource */
int available[NUMBER_OF_RESOURCES];
/* the maximum demand of each customer */
int maximum[NUMBER_OF_CUSTOMERS][NUMBER_OF_RESOURCES];
/* the amount currently allocated to each customer */
int allocation[NUMBER_OF_CUSTOMERS][NUMBER_OF_RESOURCES];
/* the remaining need of each customer */
int need[NUMBER_OF_CUSTOMERS][NUMBER_OF_RESOURCES];
int is_leq(int *a, int *b, int n) {
for(int i = 0 ; i != n; ++i) {
if(a[i] > b[i]) {
return 0;
}
}
return 1;
}
int is_safe() {
int work[NUMBER_OF_RESOURCES], finish[NUMBER_OF_CUSTOMERS];
memcpy(work, available, NUMBER_OF_RESOURCES * sizeof(int));
memset(finish, 0, NUMBER_OF_CUSTOMERS * sizeof(int));
for(int round = 0; round != NUMBER_OF_CUSTOMERS; ++round) {
int flag = 0;
for(int i = 0; i != NUMBER_OF_CUSTOMERS; ++i) {
if(finish[i] == 0 && is_leq(need[i], work, NUMBER_OF_RESOURCES)) {
flag = 1;
finish[i] = 1;
for(int j = 0; j != NUMBER_OF_RESOURCES; ++j) {
work[j] += allocation[i][j];
}
break;
}
}
if(!flag) {
return 0;
}
}
return 1;
}
// Banker's Algorithm: request resources
// customer: the target customer
// release: number of resources to request
// return: 0 for success, non-zero for errors
int request_resources(int customer, int request[NUMBER_OF_RESOURCES]) {
if(customer < 0 || customer >= NUMBER_OF_CUSTOMERS) {
printf("Invalid customer: %d\n", customer);
return -1;
}
int err = 0;
for(int i = 0; i != NUMBER_OF_RESOURCES; ++i) {
if(request[i] < 0 || request[i] > need[customer][i]) {
printf(
"Invalid number of resources to request: <customer: %d, resource: %d, need: %d, to request: %d>\n",
customer, i, need[customer][i], request[i]
);
err = -1;
}
if(request[i] > available[i]) {
printf(
"No enough resources to allocate: <customer: %d, resource: %d, available: %d, to request: %d>\n",
customer, i, available[i], request[i]
);
err = -2;
}
if(err != 0) { // rollback
while(i--) {
available[i] += request[i];
allocation[customer][i] -= request[i];
need[customer][i] += request[i];
}
return err;
}
// allocate resources
available[i] -= request[i];
allocation[customer][i] += request[i];
need[customer][i] -= request[i];
}
if(!is_safe()) {
// rollback
printf("Unsafe state after request!\n");
for(int i = 0; i != NUMBER_OF_RESOURCES; ++i) {
available[i] += request[i];
allocation[customer][i] -= request[i];
need[customer][i] += request[i];
}
return -3;
}
return 0;
}
// Banker's Algorithm: release resources
// customer: the target customer
// release: number of resources to release
// return: 0 for success, non-zero for errors
int release_resources(int customer, int release[NUMBER_OF_RESOURCES]) {
if(customer < 0 || customer >= NUMBER_OF_CUSTOMERS) {
printf("Invalid customer: %d\n", customer);
return -1;
}
for(int i = 0; i != NUMBER_OF_RESOURCES; ++i) {
if(release[i] < 0 || release[i] > allocation[customer][i]) {
printf(
"Invalid number of resources to release: <customer: %d, resource: %d, allocated: %d, to release: %d>\n",
customer, i, allocation[customer][i], release[i]
);
// rollback
while(i--) {
allocation[customer][i - 1] += release[i - 1];
available[i] -= release[i];
}
return -1;
}
// release resources
allocation[customer][i] -= release[i];
available[i] += release[i];
}
return 0;
}
void request_wrapper() {
int request[NUMBER_OF_RESOURCES], customer;
scanf("%d", &customer);
for(int i = 0; i != NUMBER_OF_RESOURCES; ++i) {
scanf("%d", &request[i]);
}
if(request_resources(customer, request) != 0) {
printf("DENIED.\n");
} else {
printf("SUCCESS.\n");
}
}
void release_wrapper() {
int release[NUMBER_OF_RESOURCES], customer;
scanf("%d", &customer);
for(int i = 0; i != NUMBER_OF_RESOURCES; ++i) {
scanf("%d", &release[i]);
}
if(release_resources(customer, release) != 0) {
printf("DENIED.\n");
} else {
printf("SUCCESS.\n");
}
}
void display_usage() {
printf("=============================================================\n");
printf("<this program> <available resources of size %d>\n", NUMBER_OF_RESOURCES);
printf("Operations:\n");
printf(" Request resources: RQ <customer> <resources>\n");
printf(" Release resources: RL <customer> <resources>\n");
printf(" Display resources: *\n");
printf("=============================================================\n");
}
void display_resources() {
printf("=============================================================\n");
printf("Availbale resources:\n");
for(int i = 0; i != NUMBER_OF_RESOURCES; ++i) {
printf("%d ", available[i]);
}
printf("\n");
printf("-------------------------------------------------------------\n");
printf("Maximum resources for each customer:\n");
for(int customer = 0; customer != NUMBER_OF_CUSTOMERS; ++customer) {
printf("%d: ", customer);
for(int r = 0; r != NUMBER_OF_RESOURCES; ++r) {
printf("%d ", maximum[customer][r]);
}
printf("\n");
}
printf("-------------------------------------------------------------\n");
printf("Allocated resources for each customer:\n");
for(int customer = 0; customer != NUMBER_OF_CUSTOMERS; ++customer) {
printf("%d: ", customer);
for(int r = 0; r != NUMBER_OF_RESOURCES; ++r) {
printf("%d ", allocation[customer][r]);
}
printf("\n");
}
printf("-------------------------------------------------------------\n");
printf("Needed resources for each customer:\n");
for(int customer = 0; customer != NUMBER_OF_CUSTOMERS; ++customer) {
printf("%d: ", customer);
for(int r = 0; r != NUMBER_OF_RESOURCES; ++r) {
printf("%d ", need[customer][r]);
}
printf("\n");
}
printf("=============================================================\n");
}
int init(int argc, char *argv[], const char *resources_file) {
if(argc != 1 + NUMBER_OF_RESOURCES) {
printf("Incorrect number of parameters.\n");
return -1;
}
for(int i = 0; i != NUMBER_OF_RESOURCES; ++i) {
available[i] = atoi(argv[i + 1]);
}
FILE *f = fopen(resources_file, "r");
if(f == NULL) {
printf("Unable to open file: %s\n", resources_file);
return -2;
}
for(int c = 0; c != NUMBER_OF_CUSTOMERS; ++c) {
for(int r = 0; r != NUMBER_OF_RESOURCES; ++r) {
fscanf(f, "%d", &maximum[c][r]);
need[c][r] = maximum[c][r];
}
}
fclose(f);
printf("Initialized, ready to run.\n");
return 0;
}
int main(int argc, char *argv[]) {
if(init(argc, argv, INIT_FILE) != 0) {
display_usage();
return 0;
}
char op[5];
printf("> ");
while(scanf("%s", op) == 1) {
if(strcmp(op, "RQ") == 0) {
request_wrapper();
} else if(strcmp(op, "RL") == 0) {
release_wrapper();
} else if(strcmp(op, "*") == 0) {
display_resources();
} else {
display_usage();
}
printf("> ");
}
return 0;
}
|
the_stack_data/48409.c | /*
** EPITECH PROJECT, 2017
** CPool_Day06_2017
** File description:
** task09
*/
void lowercase_char(char *str, int i)
{
int j = i;
while (str[j] >= '0' && str[j] <= '9')
j++;
while ((str[j] >= 'A' && str[j] <= 'Z') ||
(str[j] >= 'a' && str[j] <= 'z')) {
if (str[j] >= 'A' && str[j] <= 'Z')
str[j] += 32;
j++;
}
}
void check_last_char(char *str, int i)
{
if ((str[i - 1] >= 32 && str[i - 1] <= 47) || i == 0
|| (str[i - 1] >= 58 && str[i - 1] <= 64) || (str[i - 1] >= 91
&& str[i - 1] <= 96))
str[i] -= 32;
}
char *my_strcapitalize(char *str)
{
int i = 0;
while (str[i] != '\0') {
if (str[i] >= 'a' && str[i] <= 'z')
check_last_char(str, i);
else if (str[i] >= '0' && str[i] <= '9')
lowercase_char(str, i);
i++;
}
return (str);
}
|
the_stack_data/129872.c | /**
* Programa controlador que execute concorrentemente um conjunto de programas
* especificados como argumento da linha de comandos. O controlador deverá
* re-executar cada programa enquanto não terminar com código de saída nulo.
* No fim deverá imprimir o número de vezes que cada programa foi executado.
* Os programas correm sem nenhum argumento próprio.
*
* @author (Pirata)
* @version (2018.06)
*/
#include <unistd.h> // fork(); _exit(); MACROS
#include <sys/wait.h> // wait()
#include <string.h> // strlen()
#include <stdio.h> // sprintf()
#include <stdlib.h> // malloc
/* WEXITSTATUS(status) only returns values between 0 and 255
* Or as man page says, 8 least significant bits
*
* Complete version. Result at the end will be correct since there's no point
* in time where the _exit() returns more then 250 */
int main(int argc, char** argv)
{
pid_t pids[argc - 1], pid = 1;
int status, statusc, i, counter, flags_run[argc - 1], counters[argc], ret;
char snum[10];
if (argc < 2) {
if (write(STDERR_FILENO,"no program to execute",21)) {};
return -1;
}
counters[0] = 0;
for (i = 0; i < (argc - 1); i++) {
flags_run[i] = 1;
counters[i + 1] = 0;
}
while (counters[0] < (argc - 1)) {
counter = 0;
for (i = 0; (i < (argc - 1)); i++) {
if (flags_run[i] == 1) {
pid = fork();
if (pid < 0) {
if (write(STDERR_FILENO,"fork failed",11)) {};
_exit(-1);
}
if (pid == 0) {
// Child
while (1) { // infinite cycle
pid = fork();
if (pid < 0) {
if (write(STDERR_FILENO,"childs fork failed",18)) {};
_exit(-1);
}
if (pid == 0) {
// Grandchild
execlp(argv[i + 1], argv[i + 1], NULL);
_exit(-1);
} else {
// Child
wait(&statusc);
if (WIFEXITED(statusc)) {
if (WEXITSTATUS(statusc) == 0) {
counter++;
return (counter);
} else {
counter++;
if (counter == 250) {
return (250);
}
}
}
}
}
} else {
//Parent
pids[i] = pid;
}
}
}
for (i = 0; i < (argc - 1); i++) {
waitpid(pids[i],&status,0);
if (WIFEXITED(status)) {
ret = WEXITSTATUS(status);
if (ret >= 250) {
counters[i+1] = counters[i+1] + 250;
flags_run[i] = 1;
} else {
counters[i+1] = counters[i+1] + ret;
counters[0] += 1;
flags_run[i] = 0;
}
}
}
if (counters[0] >= (argc - 1)) {
for (i = 0; i < (argc - 1); i++) {
sprintf(snum, "%d\n",counters[i + 1]);
if (write(STDOUT_FILENO, argv[i + 1], strlen(argv[i + 1]))) {};
if (write(STDOUT_FILENO, "\t\t", 2)) {};
if (write(STDOUT_FILENO, snum, strlen(snum))) {};
}
}
}
return 0;
}
|
the_stack_data/301062.c | /* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef WIN32
#define CORE_PRIVATE
#include "httpd.h"
#include "http_main.h"
#include "http_log.h"
#include "http_config.h" /* for read_config */
#include "http_core.h" /* for get_remote_host */
#include "http_connection.h"
#include "apr_portable.h"
#include "apr_thread_proc.h"
#include "apr_getopt.h"
#include "apr_strings.h"
#include "apr_lib.h"
#include "apr_shm.h"
#include "apr_thread_mutex.h"
#include "ap_mpm.h"
#include "ap_config.h"
#include "ap_listen.h"
#include "mpm_default.h"
#include "mpm_winnt.h"
#include "mpm_common.h"
#include <malloc.h>
#include "apr_atomic.h"
/* shared with mpm_winnt.c */
extern DWORD my_pid;
/* used by parent to signal the child to start and exit */
/* shared with mpm_winnt.c, but should be private to child.c */
apr_proc_mutex_t *start_mutex;
HANDLE exit_event;
/* child_main() should never need to modify is_graceful!?! */
extern int volatile is_graceful;
/* Queue for managing the passing of COMP_CONTEXTs between
* the accept and worker threads.
*/
static apr_pool_t *pchild;
static int shutdown_in_progress = 0;
static int workers_may_exit = 0;
static unsigned int g_blocked_threads = 0;
static HANDLE max_requests_per_child_event;
static apr_thread_mutex_t *child_lock;
static apr_thread_mutex_t *qlock;
static PCOMP_CONTEXT qhead = NULL;
static PCOMP_CONTEXT qtail = NULL;
static int num_completion_contexts = 0;
static int max_num_completion_contexts = 0;
static HANDLE ThreadDispatchIOCP = NULL;
static HANDLE qwait_event = NULL;
void mpm_recycle_completion_context(PCOMP_CONTEXT context)
{
/* Recycle the completion context.
* - clear the ptrans pool
* - put the context on the queue to be consumed by the accept thread
* Note:
* context->accept_socket may be in a disconnected but reusable
* state so -don't- close it.
*/
if (context) {
apr_pool_clear(context->ptrans);
context->ba = apr_bucket_alloc_create(context->ptrans);
context->next = NULL;
ResetEvent(context->Overlapped.hEvent);
apr_thread_mutex_lock(qlock);
if (qtail) {
qtail->next = context;
} else {
qhead = context;
SetEvent(qwait_event);
}
qtail = context;
apr_thread_mutex_unlock(qlock);
}
}
PCOMP_CONTEXT mpm_get_completion_context(void)
{
apr_status_t rv;
PCOMP_CONTEXT context = NULL;
while (1) {
/* Grab a context off the queue */
apr_thread_mutex_lock(qlock);
if (qhead) {
context = qhead;
qhead = qhead->next;
if (!qhead)
qtail = NULL;
} else {
ResetEvent(qwait_event);
}
apr_thread_mutex_unlock(qlock);
if (!context) {
/* We failed to grab a context off the queue, consider allocating
* a new one out of the child pool. There may be up to
* (ap_threads_per_child + num_listeners) contexts in the system
* at once.
*/
if (num_completion_contexts >= max_num_completion_contexts) {
/* All workers are busy, need to wait for one */
static int reported = 0;
if (!reported) {
ap_log_error(APLOG_MARK, APLOG_WARNING, 0, ap_server_conf,
"Server ran out of threads to serve requests. Consider "
"raising the ThreadsPerChild setting");
reported = 1;
}
/* Wait for a worker to free a context. Once per second, give
* the caller a chance to check for shutdown. If the wait
* succeeds, get the context off the queue. It must be available,
* since there's only one consumer.
*/
rv = WaitForSingleObject(qwait_event, 1000);
if (rv == WAIT_OBJECT_0)
continue;
else /* Hopefully, WAIT_TIMEOUT */
return NULL;
} else {
/* Allocate another context.
* Note:
* Multiple failures in the next two steps will cause the pchild pool
* to 'leak' storage. I don't think this is worth fixing...
*/
apr_allocator_t *allocator;
apr_thread_mutex_lock(child_lock);
context = (PCOMP_CONTEXT) apr_pcalloc(pchild, sizeof(COMP_CONTEXT));
context->Overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (context->Overlapped.hEvent == NULL) {
/* Hopefully this is a temporary condition ... */
ap_log_error(APLOG_MARK,APLOG_WARNING, apr_get_os_error(), ap_server_conf,
"mpm_get_completion_context: CreateEvent failed.");
apr_thread_mutex_unlock(child_lock);
return NULL;
}
/* Create the tranaction pool */
apr_allocator_create(&allocator);
apr_allocator_max_free_set(allocator, ap_max_mem_free);
rv = apr_pool_create_ex(&context->ptrans, pchild, NULL, allocator);
if (rv != APR_SUCCESS) {
ap_log_error(APLOG_MARK,APLOG_WARNING, rv, ap_server_conf,
"mpm_get_completion_context: Failed to create the transaction pool.");
CloseHandle(context->Overlapped.hEvent);
apr_thread_mutex_unlock(child_lock);
return NULL;
}
apr_allocator_owner_set(allocator, context->ptrans);
apr_pool_tag(context->ptrans, "transaction");
context->accept_socket = INVALID_SOCKET;
context->ba = apr_bucket_alloc_create(context->ptrans);
apr_atomic_inc32(&num_completion_contexts);
apr_thread_mutex_unlock(child_lock);
break;
}
} else {
/* Got a context from the queue */
break;
}
}
return context;
}
apr_status_t mpm_post_completion_context(PCOMP_CONTEXT context,
io_state_e state)
{
LPOVERLAPPED pOverlapped;
if (context)
pOverlapped = &context->Overlapped;
else
pOverlapped = NULL;
PostQueuedCompletionStatus(ThreadDispatchIOCP, 0, state, pOverlapped);
return APR_SUCCESS;
}
/*
* find_ready_listener()
* Only used by Win9* and should go away when the win9*_accept() function is
* reimplemented using apr_poll().
*/
static ap_listen_rec *head_listener;
static APR_INLINE ap_listen_rec *find_ready_listener(fd_set * main_fds)
{
ap_listen_rec *lr;
SOCKET nsd;
lr = head_listener;
do {
apr_os_sock_get(&nsd, lr->sd);
if (FD_ISSET(nsd, main_fds)) {
head_listener = lr->next;
if (!head_listener) {
head_listener = ap_listeners;
}
return lr;
}
lr = lr->next;
if (!lr) {
lr = ap_listeners;
}
} while (lr != head_listener);
return NULL;
}
/* Windows 9x specific code...
* Accept processing for on Windows 95/98 uses a producer/consumer queue
* model. A single thread accepts connections and queues the accepted socket
* to the accept queue for consumption by a pool of worker threads.
*
* win9x_accept()
* The accept threads runs this function, which accepts connections off
* the network and calls add_job() to queue jobs to the accept_queue.
* add_job()/remove_job()
* Add or remove an accepted socket from the list of sockets
* connected to clients. allowed_globals.jobmutex protects
* against multiple concurrent access to the linked list of jobs.
* win9x_get_connection()
* Calls remove_job() to pull a job from the accept queue. All the worker
* threads block on remove_job.
*/
typedef struct joblist_s {
struct joblist_s *next;
SOCKET sock;
} joblist;
typedef struct globals_s {
HANDLE jobsemaphore;
joblist *jobhead;
joblist *jobtail;
apr_thread_mutex_t *jobmutex;
int jobcount;
} globals;
globals allowed_globals = {NULL, NULL, NULL, NULL, 0};
#define MAX_SELECT_ERRORS 100
static void add_job(SOCKET sock)
{
joblist *new_job;
new_job = (joblist *) malloc(sizeof(joblist));
if (new_job == NULL) {
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
"Ouch! Out of memory in add_job()!");
return;
}
new_job->next = NULL;
new_job->sock = sock;
apr_thread_mutex_lock(allowed_globals.jobmutex);
if (allowed_globals.jobtail != NULL)
allowed_globals.jobtail->next = new_job;
allowed_globals.jobtail = new_job;
if (!allowed_globals.jobhead)
allowed_globals.jobhead = new_job;
allowed_globals.jobcount++;
ReleaseSemaphore(allowed_globals.jobsemaphore, 1, NULL);
apr_thread_mutex_unlock(allowed_globals.jobmutex);
}
static SOCKET remove_job(void)
{
joblist *job;
SOCKET sock;
WaitForSingleObject(allowed_globals.jobsemaphore, INFINITE);
apr_thread_mutex_lock(allowed_globals.jobmutex);
if (shutdown_in_progress && !allowed_globals.jobhead) {
apr_thread_mutex_unlock(allowed_globals.jobmutex);
return (INVALID_SOCKET);
}
job = allowed_globals.jobhead;
ap_assert(job);
allowed_globals.jobhead = job->next;
if (allowed_globals.jobhead == NULL)
allowed_globals.jobtail = NULL;
apr_thread_mutex_unlock(allowed_globals.jobmutex);
sock = job->sock;
free(job);
return (sock);
}
static unsigned int __stdcall win9x_accept(void * dummy)
{
struct timeval tv;
fd_set main_fds;
int wait_time = 1;
SOCKET csd;
SOCKET nsd = INVALID_SOCKET;
int count_select_errors = 0;
int rc;
int clen;
ap_listen_rec *lr;
struct fd_set listenfds;
#if APR_HAVE_IPV6
struct sockaddr_in6 sa_client;
#else
struct sockaddr_in sa_client;
#endif
/* Setup the listeners
* ToDo: Use apr_poll()
*/
FD_ZERO(&listenfds);
for (lr = ap_listeners; lr; lr = lr->next) {
if (lr->sd != NULL) {
apr_os_sock_get(&nsd, lr->sd);
FD_SET(nsd, &listenfds);
ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,
"Child %d: Listening on port %d.", my_pid, lr->bind_addr->port);
}
}
head_listener = ap_listeners;
while (!shutdown_in_progress) {
tv.tv_sec = wait_time;
tv.tv_usec = 0;
memcpy(&main_fds, &listenfds, sizeof(fd_set));
/* First parameter of select() is ignored on Windows */
rc = select(0, &main_fds, NULL, NULL, &tv);
if (rc == 0 || (rc == SOCKET_ERROR && APR_STATUS_IS_EINTR(apr_get_netos_error()))) {
count_select_errors = 0; /* reset count of errors */
continue;
}
else if (rc == SOCKET_ERROR) {
/* A "real" error occurred, log it and increment the count of
* select errors. This count is used to ensure we don't go into
* a busy loop of continuous errors.
*/
ap_log_error(APLOG_MARK, APLOG_INFO, apr_get_netos_error(), ap_server_conf,
"select failed with error %d", apr_get_netos_error());
count_select_errors++;
if (count_select_errors > MAX_SELECT_ERRORS) {
shutdown_in_progress = 1;
ap_log_error(APLOG_MARK, APLOG_ERR, apr_get_netos_error(), ap_server_conf,
"Too many errors in select loop. Child process exiting.");
break;
}
} else {
ap_listen_rec *lr;
lr = find_ready_listener(&main_fds);
if (lr != NULL) {
/* fetch the native socket descriptor */
apr_os_sock_get(&nsd, lr->sd);
}
}
do {
clen = sizeof(sa_client);
csd = accept(nsd, (struct sockaddr *) &sa_client, &clen);
} while (csd < 0 && APR_STATUS_IS_EINTR(apr_get_netos_error()));
if (csd < 0) {
if (APR_STATUS_IS_ECONNABORTED(apr_get_netos_error())) {
ap_log_error(APLOG_MARK, APLOG_ERR, apr_get_netos_error(), ap_server_conf,
"accept: (client socket)");
}
}
else {
add_job(csd);
}
}
SetEvent(exit_event);
return 0;
}
static PCOMP_CONTEXT win9x_get_connection(PCOMP_CONTEXT context)
{
apr_os_sock_info_t sockinfo;
int len, salen;
#if APR_HAVE_IPV6
salen = sizeof(struct sockaddr_in6);
#else
salen = sizeof(struct sockaddr_in);
#endif
if (context == NULL) {
/* allocate the completion context and the transaction pool */
apr_allocator_t *allocator;
apr_thread_mutex_lock(child_lock);
context = apr_pcalloc(pchild, sizeof(COMP_CONTEXT));
apr_allocator_create(&allocator);
apr_allocator_max_free_set(allocator, ap_max_mem_free);
apr_pool_create_ex(&context->ptrans, pchild, NULL, allocator);
apr_allocator_owner_set(allocator, context->ptrans);
apr_pool_tag(context->ptrans, "transaction");
apr_thread_mutex_unlock(child_lock);
}
while (1) {
apr_pool_clear(context->ptrans);
context->ba = apr_bucket_alloc_create(context->ptrans);
context->accept_socket = remove_job();
if (context->accept_socket == INVALID_SOCKET) {
return NULL;
}
len = salen;
context->sa_server = apr_palloc(context->ptrans, len);
if (getsockname(context->accept_socket,
context->sa_server, &len)== SOCKET_ERROR) {
ap_log_error(APLOG_MARK, APLOG_WARNING, apr_get_netos_error(), ap_server_conf,
"getsockname failed");
continue;
}
len = salen;
context->sa_client = apr_palloc(context->ptrans, len);
if ((getpeername(context->accept_socket,
context->sa_client, &len)) == SOCKET_ERROR) {
ap_log_error(APLOG_MARK, APLOG_WARNING, apr_get_netos_error(), ap_server_conf,
"getpeername failed");
memset(&context->sa_client, '\0', sizeof(context->sa_client));
}
sockinfo.os_sock = &context->accept_socket;
sockinfo.local = context->sa_server;
sockinfo.remote = context->sa_client;
sockinfo.family = context->sa_server->sa_family;
sockinfo.type = SOCK_STREAM;
apr_os_sock_make(&context->sock, &sockinfo, context->ptrans);
return context;
}
}
/* Windows NT/2000 specific code...
* Accept processing for on Windows NT uses a producer/consumer queue
* model. An accept thread accepts connections off the network then issues
* PostQueuedCompletionStatus() to awake a thread blocked on the ThreadDispatch
* IOCompletionPort.
*
* winnt_accept()
* One or more accept threads run in this function, each of which accepts
* connections off the network and calls PostQueuedCompletionStatus() to
* queue an io completion packet to the ThreadDispatch IOCompletionPort.
* winnt_get_connection()
* Worker threads block on the ThreadDispatch IOCompletionPort awaiting
* connections to service.
*/
#define MAX_ACCEPTEX_ERR_COUNT 100
static unsigned int __stdcall winnt_accept(void *lr_)
{
ap_listen_rec *lr = (ap_listen_rec *)lr_;
apr_os_sock_info_t sockinfo;
PCOMP_CONTEXT context = NULL;
DWORD BytesRead;
SOCKET nlsd;
int rv, err_count = 0;
#if APR_HAVE_IPV6
SOCKADDR_STORAGE ss_listen;
int namelen = sizeof(ss_listen);
#endif
apr_os_sock_get(&nlsd, lr->sd);
#if APR_HAVE_IPV6
if (getsockname(nlsd, (struct sockaddr *)&ss_listen, &namelen) == SOCKET_ERROR) {
ap_log_error(APLOG_MARK,APLOG_ERR, apr_get_netos_error(), ap_server_conf,
"winnt_accept: getsockname error on listening socket, is IPv6 available?");
return 1;
}
#endif
ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,
"Child %d: Starting thread to listen on port %d.", my_pid, lr->bind_addr->port);
while (!shutdown_in_progress) {
if (!context) {
context = mpm_get_completion_context();
if (!context) {
/* Temporary resource constraint? */
Sleep(0);
continue;
}
}
/* Create and initialize the accept socket */
#if APR_HAVE_IPV6
if (context->accept_socket == INVALID_SOCKET) {
context->accept_socket = socket(ss_listen.ss_family, SOCK_STREAM, IPPROTO_TCP);
context->socket_family = ss_listen.ss_family;
}
else if (context->socket_family != ss_listen.ss_family) {
closesocket(context->accept_socket);
context->accept_socket = socket(ss_listen.ss_family, SOCK_STREAM, IPPROTO_TCP);
context->socket_family = ss_listen.ss_family;
}
if (context->accept_socket == INVALID_SOCKET) {
ap_log_error(APLOG_MARK,APLOG_WARNING, apr_get_netos_error(), ap_server_conf,
"winnt_accept: Failed to allocate an accept socket. "
"Temporary resource constraint? Try again.");
Sleep(100);
continue;
}
#else
if (context->accept_socket == INVALID_SOCKET) {
context->accept_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (context->accept_socket == INVALID_SOCKET) {
/* Another temporary condition? */
ap_log_error(APLOG_MARK,APLOG_WARNING, apr_get_netos_error(), ap_server_conf,
"winnt_accept: Failed to allocate an accept socket. "
"Temporary resource constraint? Try again.");
Sleep(100);
continue;
}
}
#endif
/* AcceptEx on the completion context. The completion context will be
* signaled when a connection is accepted.
*/
if (!AcceptEx(nlsd, context->accept_socket,
context->buff,
0,
PADDED_ADDR_SIZE,
PADDED_ADDR_SIZE,
&BytesRead,
&context->Overlapped)) {
rv = apr_get_netos_error();
if ((rv == APR_FROM_OS_ERROR(WSAEINVAL)) ||
(rv == APR_FROM_OS_ERROR(WSAENOTSOCK))) {
/* We can get here when:
* 1) the client disconnects early
* 2) TransmitFile does not properly recycle the accept socket (typically
* because the client disconnected)
* 3) there is VPN or Firewall software installed with buggy AcceptEx implementation
* 4) the webserver is using a dynamic address that has changed
*/
++err_count;
closesocket(context->accept_socket);
context->accept_socket = INVALID_SOCKET;
if (err_count > MAX_ACCEPTEX_ERR_COUNT) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, ap_server_conf,
"Child %d: Encountered too many errors accepting client connections. "
"Possible causes: dynamic address renewal, or incompatible VPN or firewall software. "
"Try using the Win32DisableAcceptEx directive.", my_pid);
err_count = 0;
}
continue;
}
else if ((rv != APR_FROM_OS_ERROR(ERROR_IO_PENDING)) &&
(rv != APR_FROM_OS_ERROR(WSA_IO_PENDING))) {
++err_count;
if (err_count > MAX_ACCEPTEX_ERR_COUNT) {
ap_log_error(APLOG_MARK,APLOG_ERR, rv, ap_server_conf,
"Child %d: Encountered too many errors accepting client connections. "
"Possible causes: Unknown. "
"Try using the Win32DisableAcceptEx directive.", my_pid);
err_count = 0;
}
closesocket(context->accept_socket);
context->accept_socket = INVALID_SOCKET;
continue;
}
err_count = 0;
/* Wait for pending i/o.
* Wake up once per second to check for shutdown .
* XXX: We should be waiting on exit_event instead of polling
*/
while (1) {
rv = WaitForSingleObject(context->Overlapped.hEvent, 1000);
if (rv == WAIT_OBJECT_0) {
if (context->accept_socket == INVALID_SOCKET) {
/* socket already closed */
break;
}
if (!GetOverlappedResult((HANDLE)context->accept_socket,
&context->Overlapped,
&BytesRead, FALSE)) {
ap_log_error(APLOG_MARK, APLOG_WARNING,
apr_get_os_error(), ap_server_conf,
"winnt_accept: Asynchronous AcceptEx failed.");
closesocket(context->accept_socket);
context->accept_socket = INVALID_SOCKET;
}
break;
}
/* WAIT_TIMEOUT */
if (shutdown_in_progress) {
closesocket(context->accept_socket);
context->accept_socket = INVALID_SOCKET;
break;
}
}
if (context->accept_socket == INVALID_SOCKET) {
continue;
}
}
err_count = 0;
/* Inherit the listen socket settings. Required for
* shutdown() to work
*/
if (setsockopt(context->accept_socket, SOL_SOCKET,
SO_UPDATE_ACCEPT_CONTEXT, (char *)&nlsd,
sizeof(nlsd))) {
ap_log_error(APLOG_MARK, APLOG_WARNING, apr_get_netos_error(), ap_server_conf,
"setsockopt(SO_UPDATE_ACCEPT_CONTEXT) failed.");
/* Not a failure condition. Keep running. */
}
/* Get the local & remote address */
GetAcceptExSockaddrs(context->buff,
0,
PADDED_ADDR_SIZE,
PADDED_ADDR_SIZE,
&context->sa_server,
&context->sa_server_len,
&context->sa_client,
&context->sa_client_len);
sockinfo.os_sock = &context->accept_socket;
sockinfo.local = context->sa_server;
sockinfo.remote = context->sa_client;
sockinfo.family = context->sa_server->sa_family;
sockinfo.type = SOCK_STREAM;
apr_os_sock_make(&context->sock, &sockinfo, context->ptrans);
/* When a connection is received, send an io completion notification to
* the ThreadDispatchIOCP. This function could be replaced by
* mpm_post_completion_context(), but why do an extra function call...
*/
PostQueuedCompletionStatus(ThreadDispatchIOCP, 0, IOCP_CONNECTION_ACCEPTED,
&context->Overlapped);
context = NULL;
}
if (!shutdown_in_progress) {
/* Yow, hit an irrecoverable error! Tell the child to die. */
SetEvent(exit_event);
}
ap_log_error(APLOG_MARK, APLOG_INFO, APR_SUCCESS, ap_server_conf,
"Child %d: Accept thread exiting.", my_pid);
return 0;
}
static PCOMP_CONTEXT winnt_get_connection(PCOMP_CONTEXT context)
{
int rc;
DWORD BytesRead;
LPOVERLAPPED pol;
#ifdef _WIN64
ULONG_PTR CompKey;
#else
DWORD CompKey;
#endif
mpm_recycle_completion_context(context);
apr_atomic_inc32(&g_blocked_threads);
while (1) {
if (workers_may_exit) {
apr_atomic_dec32(&g_blocked_threads);
return NULL;
}
rc = GetQueuedCompletionStatus(ThreadDispatchIOCP, &BytesRead, &CompKey,
&pol, INFINITE);
if (!rc) {
rc = apr_get_os_error();
ap_log_error(APLOG_MARK,APLOG_DEBUG, rc, ap_server_conf,
"Child %d: GetQueuedComplationStatus returned %d", my_pid, rc);
continue;
}
switch (CompKey) {
case IOCP_CONNECTION_ACCEPTED:
context = CONTAINING_RECORD(pol, COMP_CONTEXT, Overlapped);
break;
case IOCP_SHUTDOWN:
apr_atomic_dec32(&g_blocked_threads);
return NULL;
default:
apr_atomic_dec32(&g_blocked_threads);
return NULL;
}
break;
}
apr_atomic_dec32(&g_blocked_threads);
return context;
}
/*
* worker_main()
* Main entry point for the worker threads. Worker threads block in
* win*_get_connection() awaiting a connection to service.
*/
static unsigned int __stdcall worker_main(void *thread_num_val)
{
static int requests_this_child = 0;
PCOMP_CONTEXT context = NULL;
int thread_num = (int)thread_num_val;
ap_sb_handle_t *sbh;
while (1) {
conn_rec *c;
apr_int32_t disconnected;
ap_update_child_status_from_indexes(0, thread_num, SERVER_READY, NULL);
/* Grab a connection off the network */
if (use_acceptex) {
context = winnt_get_connection(context);
}
else {
context = win9x_get_connection(context);
}
if (!context) {
/* Time for the thread to exit */
break;
}
/* Have we hit MaxRequestPerChild connections? */
if (ap_max_requests_per_child) {
requests_this_child++;
if (requests_this_child > ap_max_requests_per_child) {
SetEvent(max_requests_per_child_event);
}
}
ap_create_sb_handle(&sbh, context->ptrans, 0, thread_num);
c = ap_run_create_connection(context->ptrans, ap_server_conf,
context->sock, thread_num, sbh,
context->ba);
if (c) {
ap_process_connection(c, context->sock);
apr_socket_opt_get(context->sock, APR_SO_DISCONNECTED,
&disconnected);
if (!disconnected) {
context->accept_socket = INVALID_SOCKET;
ap_lingering_close(c);
}
else if (!use_acceptex) {
/* If the socket is disconnected but we are not using acceptex,
* we cannot reuse the socket. Disconnected sockets are removed
* from the apr_socket_t struct by apr_sendfile() to prevent the
* socket descriptor from being inadvertently closed by a call
* to apr_socket_close(), so close it directly.
*/
closesocket(context->accept_socket);
context->accept_socket = INVALID_SOCKET;
}
}
else {
/* ap_run_create_connection closes the socket on failure */
context->accept_socket = INVALID_SOCKET;
}
}
ap_update_child_status_from_indexes(0, thread_num, SERVER_DEAD,
(request_rec *) NULL);
return 0;
}
static void cleanup_thread(HANDLE *handles, int *thread_cnt, int thread_to_clean)
{
int i;
CloseHandle(handles[thread_to_clean]);
for (i = thread_to_clean; i < ((*thread_cnt) - 1); i++)
handles[i] = handles[i + 1];
(*thread_cnt)--;
}
/*
* child_main()
* Entry point for the main control thread for the child process.
* This thread creates the accept thread, worker threads and
* monitors the child process for maintenance and shutdown
* events.
*/
static void create_listener_thread()
{
int tid;
int num_listeners = 0;
if (!use_acceptex) {
_beginthreadex(NULL, 0, win9x_accept,
NULL, 0, &tid);
} else {
/* Start an accept thread per listener
* XXX: Why would we have a NULL sd in our listeners?
*/
ap_listen_rec *lr;
/* Number of completion_contexts allowed in the system is
* (ap_threads_per_child + num_listeners). We need the additional
* completion contexts to prevent server hangs when ThreadsPerChild
* is configured to something less than or equal to the number
* of listeners. This is not a usual case, but people have
* encountered it.
* */
for (lr = ap_listeners; lr ; lr = lr->next) {
num_listeners++;
}
max_num_completion_contexts = ap_threads_per_child + num_listeners;
/* Now start a thread per listener */
for (lr = ap_listeners; lr; lr = lr->next) {
if (lr->sd != NULL) {
_beginthreadex(NULL, 1000, winnt_accept,
(void *) lr, 0, &tid);
}
}
}
}
void child_main(apr_pool_t *pconf)
{
apr_status_t status;
apr_hash_t *ht;
ap_listen_rec *lr;
HANDLE child_events[2];
HANDLE *child_handles;
int listener_started = 0;
int threads_created = 0;
int watch_thread;
int time_remains;
int cld;
int tid;
int rv;
int i;
apr_pool_create(&pchild, pconf);
apr_pool_tag(pchild, "pchild");
ap_run_child_init(pchild, ap_server_conf);
ht = apr_hash_make(pchild);
/* Initialize the child_events */
max_requests_per_child_event = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!max_requests_per_child_event) {
ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
"Child %d: Failed to create a max_requests event.", my_pid);
exit(APEXIT_CHILDINIT);
}
child_events[0] = exit_event;
child_events[1] = max_requests_per_child_event;
allowed_globals.jobsemaphore = CreateSemaphore(NULL, 0, 1000000, NULL);
apr_thread_mutex_create(&allowed_globals.jobmutex,
APR_THREAD_MUTEX_DEFAULT, pchild);
/*
* Wait until we have permission to start accepting connections.
* start_mutex is used to ensure that only one child ever
* goes into the listen/accept loop at once.
*/
status = apr_proc_mutex_lock(start_mutex);
if (status != APR_SUCCESS) {
ap_log_error(APLOG_MARK,APLOG_ERR, status, ap_server_conf,
"Child %d: Failed to acquire the start_mutex. Process will exit.", my_pid);
exit(APEXIT_CHILDINIT);
}
ap_log_error(APLOG_MARK,APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
"Child %d: Acquired the start mutex.", my_pid);
/*
* Create the worker thread dispatch IOCompletionPort
* on Windows NT/2000
*/
if (use_acceptex) {
/* Create the worker thread dispatch IOCP */
ThreadDispatchIOCP = CreateIoCompletionPort(INVALID_HANDLE_VALUE,
NULL,
0,
0); /* CONCURRENT ACTIVE THREADS */
apr_thread_mutex_create(&qlock, APR_THREAD_MUTEX_DEFAULT, pchild);
qwait_event = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!qwait_event) {
ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
"Child %d: Failed to create a qwait event.", my_pid);
exit(APEXIT_CHILDINIT);
}
}
/*
* Create the pool of worker threads
*/
ap_log_error(APLOG_MARK,APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
"Child %d: Starting %d worker threads.", my_pid, ap_threads_per_child);
child_handles = (HANDLE) apr_pcalloc(pchild, ap_threads_per_child * sizeof(HANDLE));
apr_thread_mutex_create(&child_lock, APR_THREAD_MUTEX_DEFAULT, pchild);
while (1) {
for (i = 0; i < ap_threads_per_child; i++) {
int *score_idx;
int status = ap_scoreboard_image->servers[0][i].status;
if (status != SERVER_GRACEFUL && status != SERVER_DEAD) {
continue;
}
ap_update_child_status_from_indexes(0, i, SERVER_STARTING, NULL);
child_handles[i] = (HANDLE) _beginthreadex(NULL, (unsigned)ap_thread_stacksize,
worker_main, (void *) i, 0, &tid);
if (child_handles[i] == 0) {
ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
"Child %d: _beginthreadex failed. Unable to create all worker threads. "
"Created %d of the %d threads requested with the ThreadsPerChild configuration directive.",
my_pid, threads_created, ap_threads_per_child);
ap_signal_parent(SIGNAL_PARENT_SHUTDOWN);
goto shutdown;
}
threads_created++;
/* Save the score board index in ht keyed to the thread handle. We need this
* when cleaning up threads down below...
*/
apr_thread_mutex_lock(child_lock);
score_idx = apr_pcalloc(pchild, sizeof(int));
*score_idx = i;
apr_hash_set(ht, &child_handles[i], sizeof(HANDLE), score_idx);
apr_thread_mutex_unlock(child_lock);
}
/* Start the listener only when workers are available */
if (!listener_started && threads_created) {
create_listener_thread();
listener_started = 1;
winnt_mpm_state = AP_MPMQ_RUNNING;
}
if (threads_created == ap_threads_per_child) {
break;
}
/* Check to see if the child has been told to exit */
if (WaitForSingleObject(exit_event, 0) != WAIT_TIMEOUT) {
break;
}
/* wait for previous generation to clean up an entry in the scoreboard */
apr_sleep(1 * APR_USEC_PER_SEC);
}
/* Wait for one of three events:
* exit_event:
* The exit_event is signaled by the parent process to notify
* the child that it is time to exit.
*
* max_requests_per_child_event:
* This event is signaled by the worker threads to indicate that
* the process has handled MaxRequestsPerChild connections.
*
* TIMEOUT:
* To do periodic maintenance on the server (check for thread exits,
* number of completion contexts, etc.)
*
* XXX: thread exits *aren't* being checked.
*
* XXX: other_child - we need the process handles to the other children
* in order to map them to apr_proc_other_child_read (which is not
* named well, it's more like a_p_o_c_died.)
*
* XXX: however - if we get a_p_o_c handle inheritance working, and
* the parent process creates other children and passes the pipes
* to our worker processes, then we have no business doing such
* things in the child_main loop, but should happen in master_main.
*/
while (1) {
#if !APR_HAS_OTHER_CHILD
rv = WaitForMultipleObjects(2, (HANDLE *) child_events, FALSE, INFINITE);
cld = rv - WAIT_OBJECT_0;
#else
rv = WaitForMultipleObjects(2, (HANDLE *) child_events, FALSE, 1000);
cld = rv - WAIT_OBJECT_0;
if (rv == WAIT_TIMEOUT) {
apr_proc_other_child_refresh_all(APR_OC_REASON_RUNNING);
}
else
#endif
if (rv == WAIT_FAILED) {
/* Something serious is wrong */
ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
"Child %d: WAIT_FAILED -- shutting down server", my_pid);
break;
}
else if (cld == 0) {
/* Exit event was signaled */
ap_log_error(APLOG_MARK, APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
"Child %d: Exit event signaled. Child process is ending.", my_pid);
break;
}
else {
/* MaxRequestsPerChild event set by the worker threads.
* Signal the parent to restart
*/
ap_log_error(APLOG_MARK, APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
"Child %d: Process exiting because it reached "
"MaxRequestsPerChild. Signaling the parent to "
"restart a new child process.", my_pid);
ap_signal_parent(SIGNAL_PARENT_RESTART);
break;
}
}
/*
* Time to shutdown the child process
*/
shutdown:
winnt_mpm_state = AP_MPMQ_STOPPING;
/* Setting is_graceful will cause threads handling keep-alive connections
* to close the connection after handling the current request.
*/
is_graceful = 1;
/* Close the listening sockets. Note, we must close the listeners
* before closing any accept sockets pending in AcceptEx to prevent
* memory leaks in the kernel.
*/
for (lr = ap_listeners; lr ; lr = lr->next) {
apr_socket_close(lr->sd);
}
/* Shutdown listener threads and pending AcceptEx socksts
* but allow the worker threads to continue consuming from
* the queue of accepted connections.
*/
shutdown_in_progress = 1;
Sleep(1000);
/* Tell the worker threads to exit */
workers_may_exit = 1;
/* Release the start_mutex to let the new process (in the restart
* scenario) a chance to begin accepting and servicing requests
*/
rv = apr_proc_mutex_unlock(start_mutex);
if (rv == APR_SUCCESS) {
ap_log_error(APLOG_MARK,APLOG_NOTICE, rv, ap_server_conf,
"Child %d: Released the start mutex", my_pid);
}
else {
ap_log_error(APLOG_MARK,APLOG_ERR, rv, ap_server_conf,
"Child %d: Failure releasing the start mutex", my_pid);
}
/* Shutdown the worker threads */
if (!use_acceptex) {
for (i = 0; i < threads_created; i++) {
add_job(INVALID_SOCKET);
}
}
else { /* Windows NT/2000 */
/* Post worker threads blocked on the ThreadDispatch IOCompletion port */
while (g_blocked_threads > 0) {
ap_log_error(APLOG_MARK,APLOG_INFO, APR_SUCCESS, ap_server_conf,
"Child %d: %d threads blocked on the completion port", my_pid, g_blocked_threads);
for (i=g_blocked_threads; i > 0; i--) {
PostQueuedCompletionStatus(ThreadDispatchIOCP, 0, IOCP_SHUTDOWN, NULL);
}
Sleep(1000);
}
/* Empty the accept queue of completion contexts */
apr_thread_mutex_lock(qlock);
while (qhead) {
CloseHandle(qhead->Overlapped.hEvent);
closesocket(qhead->accept_socket);
qhead = qhead->next;
}
apr_thread_mutex_unlock(qlock);
}
/* Give busy threads a chance to service their connections,
* (no more than the global server timeout period which
* we track in msec remaining).
*/
watch_thread = 0;
time_remains = (int)(ap_server_conf->timeout / APR_TIME_C(1000));
while (threads_created)
{
int nFailsafe = MAXIMUM_WAIT_OBJECTS;
DWORD dwRet;
/* Every time we roll over to wait on the first group
* of MAXIMUM_WAIT_OBJECTS threads, take a breather,
* and infrequently update the error log.
*/
if (watch_thread >= threads_created) {
if ((time_remains -= 100) < 0)
break;
/* Every 30 seconds give an update */
if ((time_remains % 30000) == 0) {
ap_log_error(APLOG_MARK, APLOG_NOTICE, APR_SUCCESS,
ap_server_conf,
"Child %d: Waiting %d more seconds "
"for %d worker threads to finish.",
my_pid, time_remains / 1000, threads_created);
}
/* We'll poll from the top, 10 times per second */
Sleep(100);
watch_thread = 0;
}
/* Fairness, on each iteration we will pick up with the thread
* after the one we just removed, even if it's a single thread.
* We don't block here.
*/
dwRet = WaitForMultipleObjects(min(threads_created - watch_thread,
MAXIMUM_WAIT_OBJECTS),
child_handles + watch_thread, 0, 0);
if (dwRet == WAIT_FAILED) {
break;
}
if (dwRet == WAIT_TIMEOUT) {
/* none ready */
watch_thread += MAXIMUM_WAIT_OBJECTS;
continue;
}
else if (dwRet >= WAIT_ABANDONED_0) {
/* We just got the ownership of the object, which
* should happen at most MAXIMUM_WAIT_OBJECTS times.
* It does NOT mean that the object is signaled.
*/
if ((nFailsafe--) < 1)
break;
}
else {
watch_thread += (dwRet - WAIT_OBJECT_0);
if (watch_thread >= threads_created)
break;
cleanup_thread(child_handles, &threads_created, watch_thread);
}
}
/* Kill remaining threads off the hard way */
if (threads_created) {
ap_log_error(APLOG_MARK,APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
"Child %d: Terminating %d threads that failed to exit.",
my_pid, threads_created);
}
for (i = 0; i < threads_created; i++) {
int *score_idx;
TerminateThread(child_handles[i], 1);
CloseHandle(child_handles[i]);
/* Reset the scoreboard entry for the thread we just whacked */
score_idx = apr_hash_get(ht, &child_handles[i], sizeof(HANDLE));
if (score_idx) {
ap_update_child_status_from_indexes(0, *score_idx,
SERVER_DEAD, NULL);
}
}
ap_log_error(APLOG_MARK,APLOG_NOTICE, APR_SUCCESS, ap_server_conf,
"Child %d: All worker threads have exited.", my_pid);
CloseHandle(allowed_globals.jobsemaphore);
apr_thread_mutex_destroy(allowed_globals.jobmutex);
apr_thread_mutex_destroy(child_lock);
if (use_acceptex) {
apr_thread_mutex_destroy(qlock);
CloseHandle(qwait_event);
}
apr_pool_destroy(pchild);
CloseHandle(exit_event);
}
#endif /* def WIN32 */
|
the_stack_data/181391947.c | int main(){
int x=4,y=6;
return x+y;
} |
the_stack_data/49781.c | #include <assert.h>
#include <omp.h>
#include <stdio.h>
#include <stdlib.h>
#define N 1000
int test_all_dependencies() {
int errors = 0;
int dep_1[N], dep_2[N];
// Initialize dep_1 and dep_2
for (int i = 0; i < N; ++i) {
dep_1[i] = 0;
dep_2[i] = 0;
}
#pragma omp target depend(out: dep_1) map(tofrom: dep_1[0:N])
{
for (int i = 0; i < N; i++) {
dep_1[i] = 1;
}
} // end of omp target
#pragma omp taskwait
return 0;
}
int main() {
int errors = 0;
test_all_dependencies();
return 0;
}
|
the_stack_data/141230.c | #if 0
mini_isatty
mini_buf 128
globals_on_stack
mini_start
shrinkelf
INCLUDESRC
LDSCRIPT default
OPTFLAG -Os
return
#endif
int main(){
volatile int ret=42;
volatile int a1=0;
isatty(a1);
return(ret);
}
|
the_stack_data/145452949.c | #include <stdio.h>
#include <pthread.h>
int __pthread_create(pthread_t *thread, const pthread_attr_t *attr,
void *(*start_routine) (void *), void *arg)
{
printf("call fake pthread_create func\n");
return -1;
}
int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
void *(*start_routine) (void *), void *arg)
// __attribute__ ((weak, weakref, alias("__pthread_create")))
__attribute__ ((weakref))
;
int main()
{
// TODO: NOT work
if (pthread_create) {
printf("not find pthread_create\n");
} else {
printf(" find pthread_create=%p\n", pthread_create);
}
return 0;
}
|
the_stack_data/211081149.c | #include <stdio.h>
#include <stdlib.h>
int main(){
int A[3][7];
double mediaDia[7], mediaRefeicao[3];
FILE * f;
int n,m;
int i,j;
int maior, maiorDia;
n=3;
m=7;
f = fopen("calorias.csv","r");
for( i=0;i<n;i++ )
for( j=0;j<m;j++ )
fscanf(f,"%d;",&A[i][j]);
fclose(f);
for( i=0;i<n;i++ ) mediaRefeicao[i]=0.0;
for( i=0;i<m;i++ ) mediaDia[i]=0.0;
maior = A[0][0];
maiorDia = 0;
for( i=0;i<n;i++ ){
for( j=0;j<m;j++ ){
mediaRefeicao[i]+=(double)A[i][j]/m;
mediaDia[j]+=(double)A[i][j]/n;
if( A[i][j] > maior ){
maior = A[i][j];
maiorDia = j;
}
}
}
printf("\tSeg.\tTer.\tQua.\tQui.\tSex.\tSab.\tDom.\tMedia\n");
printf("Manhã\t");
for( i=0;i<m;i++ ) printf("%d\t",A[0][i]);
printf("%lf\n", mediaRefeicao[0]);
printf("Tarde\t");
for( i=0;i<m;i++ ) printf("%d\t",A[1][i]);
printf("%lf\n", mediaRefeicao[1]);
printf("Noite\t");
for( i=0;i<m;i++ ) printf("%d\t",A[2][i]);
printf("%lf\n", mediaRefeicao[2]);
printf("Média\t");
for( i=0;i<m;i++ ) printf("%.2lf\t",mediaDia[i]);
printf("\n");
printf("Dia de maior refeição: %d\n",maiorDia+1);
for( i=0;i<m;i++ )
if( A[0][i] > mediaRefeicao[0] || A[1][i] > mediaRefeicao[1] || A[2][i] > mediaRefeicao[2] )
printf("No dia %d, comeu acima da média\n",i+1);
return 0;
}
|
the_stack_data/100140864.c | /* { dg-do compile } */
/* { dg-options "-O -ftree-loop-linear" } */
int tab[2][2];
int foo ()
{
int i, j, k;
for (i = 0; i < 2; ++i)
for (j = 0; j < 2; ++j)
for (k = 0; k < 2; ++k)
{}
for (i = 0; i < 2; ++i)
for (j = 0; j < 2; ++j)
if (i == 0)
tab[i][j] = 0;
return tab[0][1];
}
|
the_stack_data/46797.c | void PackAligned(double* src, double* dest, const int stride, const int nelms, const int cnt) {
/*@ begin PerfTuning (
def performance_params {
param PTRS[] = [('src')];
param CFLAGS[] = ['-fprefetch-loop-arrays'];
}
def input_params {
param nelms[] = range(2,3);
param cnt[] = range(3,4);
param stride[] = range(4,5);
}
def input_vars {
decl dynamic double src[nelms*cnt*stride] = random;
decl dynamic double dest[nelms*cnt] = 0;
}
def build {
arg build_command = 'gcc @CFLAGS';
}
def performance_counter {
arg method = 'basic timer';
arg repetitions = 6;
}
) @*/
register int i, j;
double *init_dest=dest, *init_src=src;
/*@ begin Loops(transform Pack(prefetch=PTRS)
for(i=cnt; i; i--) {
for(j=nelms; j; j--) {
*dest++ = *src++;
}
src += stride-nelms;
}
) @*/
/*@ end @*/
dest=init_dest;
src=init_src;
/*@ end @*/
}
|
the_stack_data/126703372.c | /* Programa para conversão de segundos em horas e minutros */
#include <stdio.h>
float hours (float s)
{
float h;
h = s / (60*12);
return h;
}
float minutes (float s)
{
float m;
m = s / 60;
return m;
}
int main (void)
{
float t1;
float t2;
float t3;
/* mostra mensagem para usuario */
printf("Enter with seconds: ");
/* captura valor entrado via teclado */
scanf("%f",&t1);
/* faz a conversao */
t3 = hours(t1);
t2 = minutes(t1);
/* exibe resultado */
printf("%.2f hours, %.2f minutes and %.2f seconds\n", t3,t2,t1);
return 0;
} |
the_stack_data/92324806.c | #include <stdio.h>
#include <stdlib.h>
int main()
{
int* ptr;
int n, i, sum = 0;
printf("Enter number of elements:");
scanf("%d", &n);
ptr = (int*)calloc(n,sizeof(int)); // points to beginning of block
printf("Address of first block: %d \n", ptr);
if (ptr == NULL) {
printf("Memory not allocated.\n");
exit(0);
}
else {
printf("Memory successfully allocated using calloc.\n");
for (i = 0; i < n; ++i) {
*(ptr+i) = i + 1;
//ptr[i]=i+1;
printf("Address of %d element is: %d \n" , i , ptr+i);
}
printf("The elements of the array are: ");
for (i = 0; i < n; ++i) {
printf("%d ", *(ptr+i));
//printf("%d, ", ptr[i]);
}
}
return 0;
}
|
the_stack_data/93887351.c | /* File twist.c
* created/modified on Son Nov 8 17:59:09 CET 2015
* by creac for Son Nov 8 17:59:09 CET 2015
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
# define STRERR1 "Error in the arguments"
# define STRERR2 "Can't open input file(s)"
# define STRERR3 "Can't stat input file(s)"
# define STRERR4 "Can't open output file"
# define STRERR5 "Synch error -- empty file?"
# define FORMAT "USAGE: "
# define STRWARN1 "Warning: files have not the same size"
# define STRMSG1 "Processing starts..."
# define STRMSG2 "Processing ends."
# define STRMSG3 "Remember"
#define ERR1 -1
#define MAXTWEEPS 500
#define SIZEOFPICTURE 24 // amount of characters corresponding to a picture
char verbose;
void usage(void);
int main (int argc, char *argv[])
{
int i, l, sum, tweet_length;
char *tweet;
char *tweeps_file; FILE *tf;
char *out_file = NULL;
char dontTweet = 0;
char first_time=1;
int ntweeps = MAXTWEEPS;
char **tweeps, **tweep;
char * line = NULL;
size_t len = 0;
ssize_t read;
int n;
char *p;
char buffer[141];
char *picture_file = NULL;
char format_string[64];
if (argc == 1) {
usage();
return 0;
}
for (i=1; i<argc; i++) {
if (argv[i][0] == '-')
switch(argv[i][1]) {
case 'm': // message
tweet = strdup(argv[++i]);
break;
case 'l': // tweep list
tweeps_file = argv[++i];
break;
case 's': // simulate (do not tweet)
dontTweet = 1;
break;
case 'v': // verbose
verbose = 1;
break;
case '#': // max no. of tweeps
sscanf(argv[++i], "%d", &ntweeps);
assert(ntweeps > 0);
break;
case 'o': // output file
out_file = argv[++i];
break;
case 'p': // picture file
picture_file = argv[++i];
break;
default: usage(); return ERR1;
}
}
// file system operations
tf = fopen(tweeps_file, "r");
assert (tf != NULL);
tweet_length = strlen(tweet);
assert (tweet_length < 140);
tweeps = (char **) malloc(ntweeps * sizeof(char *));
for (n=0; ((read = getline(&line, &len, tf)) != -1); n++) {
p = tweeps[n] = strdup(line);
p = strchr(p, '\n');
assert(p != NULL);
*p = ' '; // THIS IS A SPACE, USED TO SEPARATE TWEEPS ON THE OUTPUT TWEET
if (verbose) printf("Tweep[%d] = %s\n", n, tweeps[n]);
}
fclose(tf);
if (line) free(line);
tf = fopen(out_file, "w");
assert (tf != NULL);
// constructing the tweets
tweep = tweeps;
i=0;
first_time=1;
while (i<n) {
*buffer = '\0';
// sum = (picture_file == NULL)? 0:SIZEOFPICTURE;
// strcpy(buffer, tweet);
// strcat(buffer, " ");
for (sum=tweet_length+1; i<n; i++, tweep++) {
l = strlen(*tweep);
// NOTA: COSI' FUNZIONA if (sum+l>137) break;
if (sum+l>138) break;
strcat(buffer, *tweep);
//sum = strlen(buffer);
if (verbose) printf("buffer=%s\n", buffer);
sum += l;
}
// only single space chars please
do { char *s;
s = strdup(buffer);
p=strstr(s, " ");
if (p==NULL) break;
*p = '\0';
sprintf(buffer, "%s%s", s, p+1);
free(s);
} while (1);
len = strlen(buffer)+tweet_length+1;
assert(len<=139);
if (first_time)
{
printf("TWEET: %s %s (nchar=%zd)\n", tweet, buffer, len), first_time=0;
//sprintf(format_string, "sudo t update '%%s %%s' -f %s '%%s %%s'", picture_file
fprintf(tf, "sudo t update '%s %s'\n", tweet, buffer);
}
else
{
printf("TWEET: %s%s (nchar=%zd)\n", buffer, tweet, len);
fprintf(tf, "sudo t update '%s%s'\n", buffer, tweet);
}
}
// closings
fclose(tf);
for (i=0; i<n; i++) free(tweeps[i]);
free(tweeps);
}
void usage(void)
{
fprintf(stderr, "twist: %s\n", STRERR1);
fprintf(stderr, "usage: twist -m messageToTweet -l tweepList -s -v\n");
fprintf(stderr, " -# maxNumberOfTweeps -o outputScript\n");
//fprintf(stderr, " -# maxNumberOfTweeps -o outputScript -p pictureFilename\n");
fprintf(stderr, " -s: simulate (do not tweet), -v: verbose\n");
}
/* End of file twist.c */
|
the_stack_data/154830005.c | extern void __VERIFIER_error() __attribute__ ((__noreturn__));
void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: __VERIFIER_error(); } }
#define N 10
int main( ) {
int a[ N ];
int swapped = 1;
while ( swapped ) {
swapped = 0;
int i = 1;
while ( i < N ) {
if ( a[i] > a[i-1] ) {
int t = a[i];
a[i] = a[i - 1];
a[i-1] = t;
swapped = 1;
}
i = i + 1;
}
}
int x;
int y;
for ( x = 0 ; x < N ; x++ ) {
for ( y = x+1 ; y < N ; y++ ) {
__VERIFIER_assert( a[x] <= a[y] );
}
}
return 0;
}
|
the_stack_data/122015595.c | /* CLOCK_MONOTONIC vs CLOCK_MONOTONIC_RAW skew test
* by: john stultz ([email protected])
* John Stultz <[email protected]>
* (C) Copyright IBM 2012
* (C) Copyright Linaro Limited 2015
* Licensed under the GPLv2
*
* To build:
* $ gcc raw_skew.c -o raw_skew -lrt
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/time.h>
#include <sys/timex.h>
#include <time.h>
#ifdef KTEST
#include "../kselftest.h"
#else
static inline int ksft_exit_pass(void)
{
exit(0);
}
static inline int ksft_exit_fail(void)
{
exit(1);
}
#endif
#define CLOCK_MONOTONIC_RAW 4
#define NSEC_PER_SEC 1000000000LL
#define shift_right(x, s) ({ \
__typeof__(x) __x = (x); \
__typeof__(s) __s = (s); \
__x < 0 ? -(-__x >> __s) : __x >> __s; \
})
long long llabs(long long val)
{
if (val < 0)
val = -val;
return val;
}
unsigned long long ts_to_nsec(struct timespec ts)
{
return ts.tv_sec * NSEC_PER_SEC + ts.tv_nsec;
}
struct timespec nsec_to_ts(long long ns)
{
struct timespec ts;
ts.tv_sec = ns/NSEC_PER_SEC;
ts.tv_nsec = ns%NSEC_PER_SEC;
return ts;
}
long long diff_timespec(struct timespec start, struct timespec end)
{
long long start_ns, end_ns;
start_ns = ts_to_nsec(start);
end_ns = ts_to_nsec(end);
return end_ns - start_ns;
}
void get_monotonic_and_raw(struct timespec *mon, struct timespec *raw)
{
struct timespec start, mid, end;
long long diff = 0, tmp;
int i;
for (i = 0; i < 3; i++) {
long long newdiff;
clock_gettime(CLOCK_MONOTONIC, &start);
clock_gettime(CLOCK_MONOTONIC_RAW, &mid);
clock_gettime(CLOCK_MONOTONIC, &end);
newdiff = diff_timespec(start, end);
if (diff == 0 || newdiff < diff) {
diff = newdiff;
*raw = mid;
tmp = (ts_to_nsec(start) + ts_to_nsec(end))/2;
*mon = nsec_to_ts(tmp);
}
}
}
int main(int argv, char **argc)
{
struct timespec mon, raw, start, end;
long long delta1, delta2, interval, eppm, ppm;
struct timex tx1, tx2;
setbuf(stdout, NULL);
if (clock_gettime(CLOCK_MONOTONIC_RAW, &raw)) {
printf("ERR: NO CLOCK_MONOTONIC_RAW\n");
return -1;
}
tx1.modes = 0;
adjtimex(&tx1);
get_monotonic_and_raw(&mon, &raw);
start = mon;
delta1 = diff_timespec(mon, raw);
if (tx1.offset)
printf("WARNING: ADJ_OFFSET in progress, this will cause inaccurate results\n");
printf("Estimating clock drift: ");
sleep(120);
get_monotonic_and_raw(&mon, &raw);
end = mon;
tx2.modes = 0;
adjtimex(&tx2);
delta2 = diff_timespec(mon, raw);
interval = diff_timespec(start, end);
/* calculate measured ppm between MONOTONIC and MONOTONIC_RAW */
eppm = ((delta2-delta1)*NSEC_PER_SEC)/interval;
eppm = -eppm;
printf("%lld.%i(est)", eppm/1000, abs((int)(eppm%1000)));
/* Avg the two actual freq samples adjtimex gave us */
ppm = (tx1.freq + tx2.freq) * 1000 / 2;
ppm = (long long)tx1.freq * 1000;
ppm = shift_right(ppm, 16);
printf(" %lld.%i(act)", ppm/1000, abs((int)(ppm%1000)));
if (llabs(eppm - ppm) > 1000) {
printf(" [FAILED]\n");
return ksft_exit_fail();
}
printf(" [OK]\n");
return ksft_exit_pass();
}
|
the_stack_data/1039182.c | #include <time.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#define NUM_CLIENTS 5
#define BUF_SIZE 16
static int run_client(int id, int write_fd) {
for (int cnt = 0;; cnt++) {
char buf[BUF_SIZE] = {0};
int nbytes = snprintf(buf, sizeof(buf), "%d", cnt);
#ifdef DEBUG
fprintf(stdout, "[%lu] [Client %d] Write %s\n", time(NULL), id, buf);
#endif
write(write_fd, buf, nbytes);
sleep(id + 1);
}
return 0;
}
static int run_server(int client_fds[], int num_clients, int max_client_fd) {
fd_set client_fd_set;
while (1) {
FD_ZERO(&client_fd_set);
for (int i = 0; i < num_clients; i++) {
FD_SET(client_fds[i], &client_fd_set);
}
int ready_cnt =
select(max_client_fd + 1, &client_fd_set,
/*writefds=*/NULL, /*exceptfds=*/NULL, /*timeout=*/NULL);
if (ready_cnt < 0) {
perror("select");
goto fail;
}
int cnt = 0;
for (int i = 0; i < num_clients; i++) {
if (FD_ISSET(client_fds[i], &client_fd_set)) {
char buf[BUF_SIZE] = {0};
int nbytes = read(client_fds[i], buf, sizeof(buf));
if (nbytes < 0) {
perror("read");
goto fail;
} else if (nbytes > 0) {
fprintf(stdout, "[%lu] [Server] Client %d: %s\n",
time(NULL), i, buf);
} else {
fprintf(stdout, "[%lu] [Server] Client %d closed\n", time(NULL), i);
}
cnt++;
}
}
if (cnt != ready_cnt) {
fprintf(stderr,
"[%lu] [Server] Number of set file descriptors (%d) != number "
"returned from "
"select (%d)\n",
time(NULL), cnt, ready_cnt);
goto fail;
}
}
fail:
for (int i = 0; i < num_clients; i++) {
close(client_fds[i]);
}
return -1;
}
int main() {
int client_fds[NUM_CLIENTS] = {0};
int max_client_fd = 0;
for (int i = 0; i < NUM_CLIENTS; i++) {
int pipefd[2] = {0};
if (pipe(pipefd) != 0) {
perror("pipe");
return -1;
}
int read_fd = pipefd[0];
int write_fd = pipefd[1];
client_fds[i] = read_fd;
if (read_fd > max_client_fd) {
max_client_fd = read_fd;
}
pid_t child_pid = fork();
if (child_pid < 0) {
perror("fork");
return child_pid;
} else if (child_pid == 0) {
close(read_fd);
return run_client(i, write_fd);
}
close(write_fd);
}
return run_server(client_fds, NUM_CLIENTS, max_client_fd);
}
|
the_stack_data/81597.c | #include <math.h>
#include <stdint.h>
float
copysignf(float x, float y)
{
union {
float f;
uint32_t i;
} ux = {x}, uy = {y};
ux.i &= 0x7fffffff;
ux.i |= uy.i & 0x80000000;
return ux.f;
}
|
the_stack_data/126864.c | int maximalSquare(char **matrix, int matrixRowSize, int matrixColSize)
{
if (!matrixRowSize || !matrixColSize)
return(0);
int area[matrixRowSize][matrixColSize];
int max, i, j, t;
max = 0;
for (i = 0; i < matrixRowSize; i++) {
for (j = 0; j < matrixColSize; j++) {
if (!i || !j) {
area[i][j] = (matrix[i][j] == '1' ? 1 : 0);
} else {
if (matrix[i][j] == '0')
area[i][j] = 0;
else if (matrix[i-1][j] == '1' && matrix[i][j-1] == '1') {
/*
t = matrix[i-1][j-1] < matrix[i-1][j] ?
matrix[i-1][j-1] : matrix[i-1][j];
if (matrix[i][j-1] < t)
t = matrix[i][j-1];
area[i][j] = t + 1;
*/
t = area[i-1][j-1];
if (area[i-1][j] < t)
t = area[i-1][j];
if (area[i][j-1] < t)
t = area[i][j-1];
area[i][j] = t + 1;
//area[i][j] = area[i-1][j-1] + 1;
} else
area[i][j] = 1;
}
if ((t = area[i][j] * area[i][j]) > max)
max = t;
}
}
return(max);
}
#include <stdio.h>
int main(void)
{
char *m[] = {
"11111111",
"11111110",
"11111110",
"11111000",
"01111000",
};
printf("%d\n", maximalSquare(m, 5, 8));
return(0);
}
/*
* vim: ts=4 sts=4 sw=4 et
*/
|
the_stack_data/187642138.c | // RUN: %layout_check %s
struct A
{
struct B
{
struct C
{
struct
{
int i, j;
} j, k;
} c;
} b;
} a = {
.b.c = {
.j.j = 1,
.k.j = 3
}
};
|
the_stack_data/60359.c | #include <stdio.h>
float total_array(int array[], int array_size) {
int sum = 0;
for (int i = 0; i < array_size; i++)
{
sum += array[i];
}
return sum;
}
int main(int argc, char const *argv[])
{
int array[10] = {5, 8, 11, 13, 15, 16, 23, 38, 45, 48};
printf("%f\n", total_array(array, 10));
return 0;
}
|
the_stack_data/29826289.c | /*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)ferror.c 5.1 (Berkeley) 1/20/91";
#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
/*
* A subroutine version of the macro ferror.
*/
#undef ferror
int ferror(fp)
FILE *fp;
{
return (__sferror(fp));
}
|
the_stack_data/17857.c | #include <stdio.h>
void pair_stuff()
{
printf("Placeholder for a strange file in subdirectory\n");
}
|
the_stack_data/54826383.c | #include <stdio.h>
#include <stdlib.h>
int wcount(char *s) {
int k=0;
for (;*s==32;s++);
char *p=s;
for (;*p!=0;p++)
if (*p==32) {
k++;
for(;*p==32;p++);
p--;
}
if (*s!=0 && *(p-1)!=0) k++;
return k;
}
int main () {
char s[1000];
gets(s);
printf ("%d\n", wcount(s));
return 0;
} |
the_stack_data/531288.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
void free_strv(char *strv[]);
char* substr(const char *str, size_t n) {
char* res = calloc(n + 1, sizeof(char));
if (!res) return NULL;
strncpy(res, str, n);
return res;
}
void* pedir_memoria(int tam_campo, size_t cant) {
return malloc(tam_campo * cant);
}
char** split(const char *str, char sep) {
size_t cant_sep = 0;
size_t pos_res_act = 0;
size_t ini_pal = 0;
size_t largo;
for (largo = 0; str[largo] != '\0'; ++largo) if (str[largo] == sep) ++cant_sep;
char** res = (char**)pedir_memoria(sizeof(char*), cant_sep + 2); // + 2 uno del null y el otro de la primer cadena
if (!res) return NULL;
for (int pos_act = 0; pos_act <= largo; ++pos_act) {
if (str[pos_act] != '\0' && str[pos_act] != sep) continue;
char* pal = substr(&str[ini_pal], pos_act - ini_pal);
if (!pal) {
res[pos_res_act] = NULL;
free_strv(res);
return NULL;
}
res[pos_res_act] = pal;
ini_pal = pos_act + 1;
++pos_res_act;
}
res[pos_res_act] = NULL;
return res;
}
char* join(char **strv, char sep) {
size_t sum_str = 0;
size_t cant_sep = 0;
for (cant_sep = 0; strv[cant_sep]; ++cant_sep) sum_str += strlen(strv[cant_sep]);
char* res = (char*)pedir_memoria(sizeof(char), sum_str + cant_sep + 1);
if (!res) return NULL;
int pos_res = 0;
for (int i = 0; strv[i]; ++i) {
for (int pos_act = 0; strv[i][pos_act] != '\0'; ++pos_act, ++pos_res) res[pos_res] = strv[i][pos_act];
if (sep != '\0') {
res[pos_res] = sep;
if (strv[i + 1]) ++pos_res;
}
}
res[pos_res] = '\0';
return res;
}
void free_strv(char *strv[]) {
for (int i = 0; strv[i]; ++i) free(strv[i]);
free(strv);
} |
the_stack_data/243894067.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#define STR_LEN (80)
typedef struct Result Result;
struct Result {
int tank_num;
int fuel_type;
char l_or_m;
int amount_l_or_m;
};
Result parseResult(char * str);
int main()
{
int fd, res = 0;
const char *myfifo = "mypipe";
mkfifo(myfifo, 0666);
fd = open(myfifo, O_RDONLY);
char str[STR_LEN] = "12|2|0|20";
while(1)
{
if (read(fd, str, STR_LEN - 1)) {
printf("User1: %s\n", str);
Result res = parseResult(str);
printf("User1: %d\n", res.l_or_m);
memset(str, 0, STR_LEN);
}
}
close(fd);
return 0;
}
Result parseResult(char * str) {
Result res;
char * temp = malloc(sizeof(int));
int temp_count = 0;
int num_count = 0;
for (int i = 0; i < strlen(str); i++) {
if (str[i] != '|') {
temp[temp_count] = str[i];
temp_count++;
}
else {
int parsed = atoi(temp);
switch (num_count) {
case 0:
res.tank_num = parsed;
break;
case 1:
res.fuel_type = parsed;
break;
case 2:
res.l_or_m = parsed;
break;
default:
break;
}
memset(temp, 0, sizeof(int));
temp_count = 0;
num_count++;
}
}
res.amount_l_or_m = atoi(temp);
free(temp);
return res;
} |
the_stack_data/95450920.c | #include <stdio.h>
#include <string.h>
#include <stdlib.h>
/* Function pointers for glibc functions */
ssize_t __real_write(int fd, const void *buf, size_t count);
int __real_puts(const char* str);
ssize_t __wrap_write (int fd, const void *buf, size_t count)
{
char print[40];
sprintf(print, "write:chars#:%lu", count);
writeData(print);
return __real_write(fd, buf, count);
}
int __wrap_puts (const char* str)
{
char print[40];
sprintf(print, "puts:chars#:%lu", strlen(str));
writeData(print);
return __real_puts(str);
}
|
the_stack_data/125141703.c |
extern void __VERIFIER_error() __attribute__ ((__noreturn__));
extern void __VERIFIER_assume(int);
void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: __VERIFIER_error(); } }
extern int __VERIFIER_nondet_int(void);
int N;
int main()
{
N = __VERIFIER_nondet_int();
if(N <= 0) return 1;
int i;
int sum[1];
int a[N];
for(i=0; i<N; i++)
{
a[i] = i%3;
}
for(i=0; i<N; i++)
{
if(i==0) {
sum[0] = 0;
} else {
sum[0] = sum[0] + a[i];
}
}
__VERIFIER_assert(sum[0] <= 2*N);
return 1;
}
|
the_stack_data/139928.c |
#include<stdio.h>
#include<malloc.h>
int sorting_function(int *arr, int arr_len)
{
int step, count, tmp;
step = arr_len/1.247;
while(step >= 1)
{
for (int i = 0; i + step < arr_len; ++i)
{
if (arr[i] > arr[i + step])
{
tmp=arr[i];
arr[i]=arr[i+step];
arr[i+step]=tmp;
count++;
}
}
step /= 1.247;
}
for (int i = 0; i < arr_len - 1; i++)
{
int s = 0;
for (int j = 0; j < arr_len - i - 1; j++)
{
if (arr[j] > arr[j + 1]) {
tmp=arr[i];
arr[i]=arr[i+step];
arr[i+step]=tmp;
s = 1;
count++;
}
}
if (s = 0)
break;
}
return count;
}
int main() {
int arr_len;
scanf("%d",&arr_len);
int *arr = (int*)malloc(sizeof(int) * arr_len);
for(int i = 0; i < arr_len; i++)
{
scanf("%d",&arr[i]);
}
sorting_function(arr, arr_len);
for(int i = 0; i < arr_len; i++)
{
printf("%d", arr[i]);
if(i<arr_len-1)
printf(" ");
}
free(arr);
printf("\n");
}
|
the_stack_data/58553.c | // compile: clang -fopenmp test2.c -o test
// triggers warnings about __kmpc_* series function calls, but works
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
// extern .....
void init(float *a, int N);
void axpy_omp_parallel_for_gpu(int *gtid, int *btid, const float a, float *A, const float *B, float *C, int n);
int main(int argc, char *argv[])
{
// arrays on device
float *dA, *dB, *dC;
// other elements
int n = 1024;
float a = 3.14;
// init A and B and C
// memory allocation
dA = (float*)malloc(n*sizeof(float));
dB = (float*)malloc(n*sizeof(float));
dC = (float*)malloc(n*sizeof(float));
// init function calls
init(dA, n);
init(dB, n);
init(dC, n);
// OpenMP code block starts:
int gtid;
__kmpc_begin(NULL, 0);
gtid = __kmpc_global_thread_num();
__kmpc_fork_call(NULL, 5, axpy_omp_parallel_for_gpu, a, dA, dB, dC, n);
__kmpc_end(NULL);
/* test: check result */
printf("Selected result of A, B, C, a*A + B: %f, %f, %f, %f\n", dA[1], dB[1], dC[1], a*dA[1]+dB[1]);
return 0;
}
void init(float *a, int N) {
int s;
for (s = 0; s < N; s++) a[s] = rand() / (float)RAND_MAX;
}
void axpy_omp_parallel_for_gpu(int *gtid, int *btid, const float a, float *A, const float *B, float *C, int n) {
int i, j;
int last, lower, upper, stride;
last = 0;
__kmpc_for_static_init_4(NULL, *gtid, 33, &last, &lower, &upper, &stride, 1, 4);
for (i = lower; i <= upper; i++) {
C[i] = 3.14 * A[i] + B[i]; // a * A[i] is not working
printf("%d\n", *gtid);
}
__kmpc_for_static_fini(NULL, *gtid);
}
|
the_stack_data/1146971.c | #include <stdarg.h>
#include <stddef.h>
int execv(const char *path, char *const *argv);
int execl(const char *path, const char* argv0, ...)
{
int argc;
va_list ap;
va_start(ap, argv0);
for (argc = 1; va_arg(ap, const char*); argc++);
va_end(ap);
{
int i;
char *argv[argc+1];
va_start(ap, argv0);
argv[0] = (char *)argv0;
for (i = 1; i < argc; i++) {
argv[i] = va_arg(ap, char *);
}
argv[i] = NULL;
va_end(ap);
return execv(path, argv);
}
}
int execve(const char *path, char *const *argv, char *const *envp);
int execle(const char *path, const char* argv0, ...)
{
int argc;
va_list ap;
va_start(ap, argv0);
for (argc = 1; va_arg(ap, const char *); argc++);
va_end(ap);
{
int i;
char *argv[argc+1];
char **envp;
va_start(ap, argv0);
argv[0] = (char *)argv0;
for (i = 1; i <= argc; i++) {
argv[i] = va_arg(ap, char *);
}
envp = va_arg(ap, char **);
va_end(ap);
return execve(path, argv, envp);
}
}
|
the_stack_data/15504.c | #include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
int main()
{
int a, b;
float c, d;
scanf("%d %d", &a, &b);
scanf("%f %f", &c, &d);
printf("%d %d\n", a+b, a-b);
printf("%.1f %.1f\n", c+d, c-d);
return 0;
}
|
the_stack_data/34513639.c | // REQUIRES: system-linux
// RUN: clang -o %t %s -O2
// RUN: llvm-mctoll -d %t
// RUN: clang -o %t1 %t-dis.ll
// RUN: %t1 2>&1 | FileCheck %s
// CHECK: Value a 5
// CHECK: Value b 6
// CHECK: Value a 4
// CHECK: Value b 2
/* When compiled with -O2, the generated code follows a pattern that
requires reaching definition analysis and storing of certain values
to stack to faciliate merged use in later blocks.
*/
#include <stdio.h>
void __attribute__ ((noinline)) call_func(int i, int j) {
int a = 0;
int b = 0;
if (j < 0) {
a = 4;
b = 2;
} else {
a = i / j;
b = 6;
}
printf("Value a %d\n", a);
printf("Value b %d\n", b);
return;
}
int main(int argc, char **argv) {
call_func(10,2);
call_func(10,-1);
return 0;
}
|
the_stack_data/32242.c | /*
* lwip_glue.c
*
* Created on: Jun 13, 2014
* Author: sever212
*/
#ifdef __arm__
#if 0
#include "xparameters.h"
#include "xparameters_ps.h" /* defines XPAR values */
#include "xil_cache.h"
#include "xscugic.h"
#include "xscutimer.h"
#include "lwip/tcp.h"
#include "lwip/tcp_impl.h"
#include "xil_printf.h"
#include "platform_config.h"
#include "netif/xadapter.h"
#endif
#include "project_include.h"
#define RESET_RX_CNTR_LIMIT 400
static int ResetRxCntr = 0;
volatile char bEnableEthTimer = FALSE;
static struct netif server_netif;
struct netif *echo_netif;
char bEth250ms = FALSE;
typedef struct lwip_comm_glue {
char szRcvCmdEth[4096];
void *socket;
u32 CmdHndlStateEth;
} lwip_comm_glue;
lwip_comm_glue EthComm[MAX_BASE_SOCKETS];
/*****************************
* init_tcpip_comm_data()
* Set up the communication data structures.
* Call on power up.
*/
static void init_tcpip_comm_data()
{
int i;
for (i = 0; i < MAX_BASE_SOCKETS; i++)
{
EthComm[i].socket = 0;
EthComm[i].CmdHndlStateEth = 0;
}
}
/*****************************
* get_tcpip_comm_data()
* Get a pointer to the receive data and the receive state for
* this socket.
*
* socket: unique pointer to the socket (doesn't need to point
* to the socket, just needs to be unique to the socket)
* data: returned pointer to the data
* state: returned pointer to the state
*
* Returns a status code: NOT_FOUND or SUCCESS
*/
static int get_tcpip_comm_data(void *socket, char **data, u32 **state)
{
int retVal = NOT_FOUND;
int i;
int protect = EnterProtection();
for (i = 0; i < MAX_BASE_SOCKETS; i++)
{
if (EthComm[i].socket == socket)
{
*data = EthComm[i].szRcvCmdEth;
*state = &EthComm[i].CmdHndlStateEth;
retVal = SUCCESS;
break;
}
}
LeaveProtection(protect);
return retVal;
}
/*****************************
* put_tcpip_comm_data()
* Call this upon the connection of a new socket to setup a data
* structure for it.
*
* socket: unique pointer to the socket (doesn't need to point
* to the socket, just needs to be unique to the socket)
*
* Returns a status code: OVERFLOW (if no space) or SUCCESS
*/
static int put_tcpip_comm_data(void *socket)
{
int retVal = OVERFLOW;
int i;
int protect = EnterProtection();
for (i = 0; i < MAX_BASE_SOCKETS; i++)
{
if ((EthComm[i].socket == 0) || (EthComm[i].socket == socket))
{
EthComm[i].socket = socket;
EthComm[i].CmdHndlStateEth = 0;
retVal = SUCCESS;
break;
}
}
LeaveProtection(protect);
return retVal;
}
/*****************************
* remove_tcpip_comm_data()
* Call this upon the disconnection of a socket to free up
* the memory used for its data structure
*
* socket: unique pointer to the socket (doesn't need to point
* to the socket, just needs to be unique to the socket)
*
* Returns a status code: NOT_FOUND or SUCCESS
*/
static int remove_tcpip_comm_data(void *socket)
{
int retVal = NOT_FOUND;
int i;
int protect = EnterProtection();
for (i = 0; i < MAX_BASE_SOCKETS; i++)
{
if (EthComm[i].socket == socket)
{
EthComm[i].socket = 0;
EthComm[i].CmdHndlStateEth = 0;
retVal = SUCCESS;
break;
}
}
LeaveProtection(protect);
return retVal;
}
void lwip_timer_callback()
{
/* we need to call tcp_fasttmr & tcp_slowtmr at intervals specified
* by lwIP. It is not important that the timing is absoluetly accurate.
*/
static int odd = 1;
odd = !odd;
#ifndef USE_SOFTETH_ON_ZYNQ
ResetRxCntr++;
#endif
tcp_fasttmr();
if (odd) {
tcp_slowtmr();
}
/* For providing an SW alternative for the SI #692601. Under heavy
* Rx traffic if at some point the Rx path becomes unresponsive, the
* following API call will ensures a SW reset of the Rx path. The
* API xemacpsif_resetrx_on_no_rxdata is called every 100 milliseconds.
* This ensures that if the above HW bug is hit, in the worst case,
* the Rx path cannot become unresponsive for more than 100
* milliseconds.
*/
#ifndef USE_SOFTETH_ON_ZYNQ
if (ResetRxCntr >= RESET_RX_CNTR_LIMIT) {
xemacpsif_resetrx_on_no_rxdata(echo_netif);
ResetRxCntr = 0;
}
#endif
}
void
print_ip(char *msg, struct ip_addr *ip)
{
print(msg);
xil_printf("%d.%d.%d.%d\n\r", ip4_addr1(ip), ip4_addr2(ip),
ip4_addr3(ip), ip4_addr4(ip));
}
void
print_ip_settings(struct ip_addr *ip, struct ip_addr *mask, struct ip_addr *gw)
{
print_ip("Board IP: ", ip);
print_ip("Netmask : ", mask);
print_ip("Gateway : ", gw);
}
int SetupLWIP()
{
struct ip_addr ipaddr, netmask, gw;
/* the mac address of the board. this should be unique per board */
unsigned char mac_ethernet_address[] =
{ 0x00, 0x0a, 0x35, 0x00, 0x01, 0x02 };
echo_netif = &server_netif;
/* initliaze IP addresses to be used */
IP4_ADDR(&ipaddr, 192, 168, 1, 10);
IP4_ADDR(&netmask, 255, 255, 255, 0);
IP4_ADDR(&gw, 192, 168, 1, 1);
print_ip_settings(&ipaddr, &netmask, &gw);
lwip_init();
/* Add network interface to the netif_list, and set it as default */
if (!xemac_add(echo_netif, &ipaddr, &netmask,
&gw, mac_ethernet_address,
PLATFORM_EMAC_BASEADDR)) {
xil_printf("Error adding N/W interface\n\r");
return -1;
}
netif_set_default(echo_netif);
bEnableEthTimer = TRUE;
/* specify that the network if is up */
netif_set_up(echo_netif);
/*Setup the application's comm data memory*/
init_tcpip_comm_data();
return XST_SUCCESS;
}
//for now lump all ethernet commands together:
void tcpip_disconnect_callback(void *arg, err_t err)
{
remove_tcpip_comm_data(arg);
//if we are streaming out this port, stop the streaming.
if (StreamFIFOComm == arg)
StreamFIFOComm = 0;
}
err_t recv_callback(void *arg, struct tcp_pcb *tpcb,
struct pbuf *p, err_t err)
{
char szOutDataEth[8192];
int status;
char *szRcvCmdEth;
u32 *CmdHndlStateEth;
status = get_tcpip_comm_data(arg, &szRcvCmdEth, &CmdHndlStateEth);
/* do not read the packet if we are not in ESTABLISHED state */
/* Also, abort connection if unable to find the comm data*/
if ((!p) || (status != SUCCESS)) {
tcp_close(tpcb);
tcp_recv(tpcb, NULL);
remove_tcpip_comm_data(tpcb);
return ERR_OK;
}
u32 outLen = HandleCommandsGeneral(szOutDataEth, szRcvCmdEth, p->payload, p->len, CmdHndlStateEth, arg);
/* indicate that the packet has been received */
tcp_recved(tpcb, p->len);
/* echo back the payload */
/* in this case, we assume that the payload is < TCP_SND_BUF */
if (outLen > 0)
{
if (tcp_sndbuf(tpcb) > outLen) { //(tcp_sndbuf(tpcb) > p->len) {
err = tcp_write(tpcb, szOutDataEth, outLen, 1);
} else
xil_printf("no space in tcp_sndbuf\n\r");
}
/* free the received pbuf */
pbuf_free(p);
return ERR_OK;
}
err_t sent_callback(void *arg, struct tcp_pcb *pcb, unsigned short len)
{
//if streaming data, send data
if (StreamFIFOComm == pcb)
{
if (ReloadStreamFIFO(pcb) > 0)
bPrimeStreamFIFO = FALSE;
else
bPrimeStreamFIFO = TRUE;
}
return ERR_OK;
}
err_t accept_callback(void *arg, struct tcp_pcb *newpcb, err_t err)
{
static int connection = 1;
put_tcpip_comm_data(newpcb);
/* set the receive callback for this connection */
tcp_recv(newpcb, recv_callback);
/* just use an integer number indicating the connection id as the
callback argument */
tcp_arg(newpcb, /*(void*)connection*/ newpcb);
//eric added:
tcp_sent(newpcb, sent_callback);
tcp_err(newpcb, tcpip_disconnect_callback);
/* increment for subsequent accepted connections */
connection++;
return ERR_OK;
}
int start_tcpip()
{
struct tcp_pcb *pcb;
err_t err;
unsigned port = 7;
/* create new TCP PCB structure */
pcb = tcp_new();
if (!pcb) {
xil_printf("Error creating PCB. Out of Memory\n\r");
return -1;
}
pcb->so_options |= SOF_KEEPALIVE; //ELS added to try to get sockets to detect a disconnect
/* bind to specified @port */
err = tcp_bind(pcb, IP_ADDR_ANY, port);
if (err != ERR_OK) {
xil_printf("Unable to bind to port %d: err = %d\n\r", port, err);
return -2;
}
/* we do not need any arguments to callback functions */
tcp_arg(pcb, NULL);
/* listen for connections */
pcb = tcp_listen(pcb);
if (!pcb) {
xil_printf("Out of memory while tcp_listen\n\r");
return -3;
}
/* specify callback to use for incoming connections */
tcp_accept(pcb, accept_callback);
xil_printf("TCP echo server started @ port %d\n\r", port);
return XST_SUCCESS;
}
#endif
|
the_stack_data/254292.c | // Check that ld gets arch_multiple.
// RUN: %clang -target i386-apple-darwin9 -arch i386 -arch x86_64 %s -### -o foo 2> %t.log
// RUN: grep '".*ld.*" .*"-arch_multiple" "-final_output" "foo"' %t.log
// Make sure we run dsymutil on source input files.
// RUN: %clang -target i386-apple-darwin9 -### -g %s -o BAR 2> %t.log
// RUN: grep '".*dsymutil" "-o" "BAR.dSYM" "BAR"' %t.log
// RUN: %clang -target i386-apple-darwin9 -### -g -filelist FOO %s -o BAR 2> %t.log
// RUN: grep '".*dsymutil" "-o" "BAR.dSYM" "BAR"' %t.log
// Check linker changes that came with new linkedit format.
// RUN: touch %t.o
// RUN: %clang -target i386-apple-darwin9 -### -arch armv6 -miphoneos-version-min=3.0 %t.o 2> %t.log
// RUN: %clang -target i386-apple-darwin9 -### -arch armv6 -miphoneos-version-min=3.0 -dynamiclib %t.o 2>> %t.log
// RUN: %clang -target i386-apple-darwin9 -### -arch armv6 -miphoneos-version-min=3.0 -bundle %t.o 2>> %t.log
// RUN: FileCheck -check-prefix=LINK_IPHONE_3_0 %s < %t.log
// LINK_IPHONE_3_0: {{ld(.exe)?"}}
// LINK_IPHONE_3_0: -iphoneos_version_min
// LINK_IPHONE_3_0: 3.0.0
// LINK_IPHONE_3_0-NOT: -lcrt1.3.1.o
// LINK_IPHONE_3_0: -lcrt1.o
// LINK_IPHONE_3_0: -lSystem
// LINK_IPHONE_3_0: {{ld(.exe)?"}}
// LINK_IPHONE_3_0: -dylib
// LINK_IPHONE_3_0: -ldylib1.o
// LINK_IPHONE_3_0: -lSystem
// LINK_IPHONE_3_0: {{ld(.exe)?"}}
// LINK_IPHONE_3_0: -lbundle1.o
// LINK_IPHONE_3_0: -lSystem
// RUN: %clang -target i386-apple-darwin9 -### -arch armv7 -miphoneos-version-min=3.1 %t.o 2> %t.log
// RUN: %clang -target i386-apple-darwin9 -### -arch armv7 -miphoneos-version-min=3.1 -dynamiclib %t.o 2>> %t.log
// RUN: %clang -target i386-apple-darwin9 -### -arch armv7 -miphoneos-version-min=3.1 -bundle %t.o 2>> %t.log
// RUN: FileCheck -check-prefix=LINK_IPHONE_3_1 %s < %t.log
// LINK_IPHONE_3_1: {{ld(.exe)?"}}
// LINK_IPHONE_3_1: -iphoneos_version_min
// LINK_IPHONE_3_1: 3.1.0
// LINK_IPHONE_3_1-NOT: -lcrt1.o
// LINK_IPHONE_3_1: -lcrt1.3.1.o
// LINK_IPHONE_3_1: -lSystem
// LINK_IPHONE_3_1: {{ld(.exe)?"}}
// LINK_IPHONE_3_1: -dylib
// LINK_IPHONE_3_1-NOT: -ldylib1.o
// LINK_IPHONE_3_1: -lSystem
// LINK_IPHONE_3_1: {{ld(.exe)?"}}
// LINK_IPHONE_3_1-NOT: -lbundle1.o
// LINK_IPHONE_3_1: -lSystem
// RUN: %clang -target i386-apple-darwin9 -### -arch i386 -mios-simulator-version-min=3.0 %t.o 2> %t.log
// RUN: %clang -target i386-apple-darwin9 -### -arch i386 -mios-simulator-version-min=3.0 -dynamiclib %t.o 2>> %t.log
// RUN: %clang -target i386-apple-darwin9 -### -arch i386 -mios-simulator-version-min=3.0 -bundle %t.o 2>> %t.log
// RUN: FileCheck -check-prefix=LINK_IOSSIM_3_0 %s < %t.log
// LINK_IOSSIM_3_0: {{ld(.exe)?"}}
// LINK_IOSSIM_3_0: -ios_simulator_version_min
// LINK_IOSSIM_3_0: 3.0.0
// LINK_IOSSIM_3_0-NOT: -lcrt1.o
// LINK_IOSSIM_3_0: -lSystem
// LINK_IOSSIM_3_0: {{ld(.exe)?"}}
// LINK_IOSSIM_3_0: -dylib
// LINK_IOSSIM_3_0-NOT: -ldylib1.o
// LINK_IOSSIM_3_0: -lSystem
// LINK_IOSSIM_3_0: {{ld(.exe)?"}}
// LINK_IOSSIM_3_0-NOT: -lbundle1.o
// LINK_IOSSIM_3_0: -lSystem
// RUN: %clang -target i386-apple-darwin9 -### -fpie %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_EXPLICIT_PIE %s < %t.log
//
// LINK_EXPLICIT_PIE: {{ld(.exe)?"}}
// LINK_EXPLICIT_PIE: "-pie"
// RUN: %clang -target i386-apple-darwin9 -### -fno-pie %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_EXPLICIT_NO_PIE %s < %t.log
//
// LINK_EXPLICIT_NO_PIE: {{ld(.exe)?"}}
// LINK_EXPLICIT_NO_PIE: "-no_pie"
// RUN: %clang -target x86_64-apple-darwin10 -### %t.o \
// RUN: -mlinker-version=100 2> %t.log
// RUN: FileCheck -check-prefix=LINK_NEWER_DEMANGLE %s < %t.log
//
// LINK_NEWER_DEMANGLE: {{ld(.exe)?"}}
// LINK_NEWER_DEMANGLE: "-demangle"
// RUN: %clang -target x86_64-apple-darwin10 -### %t.o \
// RUN: -mlinker-version=100 -Wl,--no-demangle 2> %t.log
// RUN: FileCheck -check-prefix=LINK_NEWER_NODEMANGLE %s < %t.log
//
// LINK_NEWER_NODEMANGLE: {{ld(.exe)?"}}
// LINK_NEWER_NODEMANGLE-NOT: "-demangle"
// LINK_NEWER_NODEMANGLE: "-lSystem"
// RUN: %clang -target x86_64-apple-darwin10 -### %t.o \
// RUN: -mlinker-version=95 2> %t.log
// RUN: FileCheck -check-prefix=LINK_OLDER_NODEMANGLE %s < %t.log
//
// LINK_OLDER_NODEMANGLE: {{ld(.exe)?"}}
// LINK_OLDER_NODEMANGLE-NOT: "-demangle"
// LINK_OLDER_NODEMANGLE: "-lSystem"
// RUN: %clang -target x86_64-apple-darwin10 -### %s \
// RUN: -mlinker-version=117 -flto 2> %t.log
// RUN: cat %t.log
// RUN: FileCheck -check-prefix=LINK_OBJECT_LTO_PATH %s < %t.log
//
// LINK_OBJECT_LTO_PATH: {{ld(.exe)?"}}
// LINK_OBJECT_LTO_PATH: "-object_path_lto"
// RUN: %clang -target x86_64-apple-darwin10 -### %t.o \
// RUN: -force_load a -force_load b 2> %t.log
// RUN: cat %t.log
// RUN: FileCheck -check-prefix=FORCE_LOAD %s < %t.log
//
// FORCE_LOAD: {{ld(.exe)?"}}
// FORCE_LOAD: "-force_load" "a" "-force_load" "b"
// RUN: %clang -target x86_64-apple-darwin10 -### %t.o \
// RUN: -lazy_framework Framework 2> %t.log
//
// RUN: FileCheck -check-prefix=LINK_LAZY_FRAMEWORK %s < %t.log
// LINK_LAZY_FRAMEWORK: {{ld(.exe)?"}}
// LINK_LAZY_FRAMEWORK: "-lazy_framework" "Framework"
// RUN: %clang -target x86_64-apple-darwin10 -### %t.o \
// RUN: -lazy_library Library 2> %t.log
//
// RUN: FileCheck -check-prefix=LINK_LAZY_LIBRARY %s < %t.log
// LINK_LAZY_LIBRARY: {{ld(.exe)?"}}
// LINK_LAZY_LIBRARY: "-lazy_library" "Library"
// RUN: %clang -target x86_64-apple-darwin10 -### %t.o 2> %t.log
// RUN: %clang -target x86_64-apple-macosx10.7 -### %t.o 2>> %t.log
// RUN: FileCheck -check-prefix=LINK_VERSION_MIN %s < %t.log
// LINK_VERSION_MIN: {{ld(.exe)?"}}
// LINK_VERSION_MIN: "-macosx_version_min" "10.6.0"
// LINK_VERSION_MIN: {{ld(.exe)?"}}
// LINK_VERSION_MIN: "-macosx_version_min" "10.7.0"
// RUN: %clang -target x86_64-apple-darwin12 -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_NO_CRT1 %s < %t.log
// LINK_NO_CRT1-NOT: crt
// RUN: %clang -target armv7-apple-ios6.0 -miphoneos-version-min=6.0 -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_NO_IOS_CRT1 %s < %t.log
// LINK_NO_IOS_CRT1-NOT: crt
// RUN: %clang -target arm64-apple-ios5.0 -miphoneos-version-min=5.0 -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_NO_IOS_ARM64_CRT1 %s < %t.log
// LINK_NO_IOS_ARM64_CRT1-NOT: crt
// RUN: %clang -target x86_64-apple-ios6.0 -miphoneos-version-min=6.0 -fprofile-instr-generate -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_IOSSIM_PROFILE %s < %t.log
// LINK_IOSSIM_PROFILE: {{ld(.exe)?"}}
// LINK_IOSSIM_PROFILE: libclang_rt.profile_iossim.a
// FIXME: Currently the builtin library is only added to the command line if it,
// so we can't check for it here
// FIXME_LINK_IOSSIM_PROFILE: libclang_rt.ios.a
// RUN: %clang -target arm64-apple-tvos8.3 -mtvos-version-min=8.3 -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_TVOS_ARM64 %s < %t.log
// LINK_TVOS_ARM64: {{ld(.exe)?"}}
// LINK_TVOS_ARM64: -tvos_version_min
// LINK_TVOS_ARM64-NOT: crt
// LINK_TVOS_ARM64-NOT: lgcc_s.1
// FIXME: This library does not get built unless the tvOS SDK is
// installed, and the driver will not try to link it if it does not exist.
// This should be reenabled when the tvOS SDK becomes a standard part
// of Xcode.
// FIXME_LINK_TVOS_ARM64: libclang_rt.tvos.a
// RUN: %clang -target arm64-apple-tvos8.3 -mtvos-version-min=8.3 -fprofile-instr-generate -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_TVOS_PROFILE %s < %t.log
// LINK_TVOS_PROFILE: {{ld(.exe)?"}}
// FIXME: These libraries do not get built unless the tvOS SDK is
// installed, and the driver will not try to link them if they do not exist.
// This should be reenabled when the tvOS SDK becomes a standard part
// of Xcode.
// FIXME_LINK_TVOS_PROFILE: libclang_rt.profile_tvos.a
// FIXME_LINK_TVOS_PROFILE: libclang_rt.tvos.a
// RUN: %clang -target arm64-apple-tvos8.3 -mtvos-version-min=8.3 -### %t.o -lcc_kext 2> %t.log
// RUN: FileCheck -check-prefix=LINK_TVOS_KEXT %s < %t.log
// LINK_TVOS_KEXT: {{ld(.exe)?"}}
// FIXME: These libraries do not get built unless the tvOS SDK is
// installed, and the driver will not try to link them if they do not exist.
// This should be reenabled when the tvOS SDK becomes a standard part
// of Xcode.
// FIXME_LINK_TVOS_KEXT: libclang_rt.cc_kext_tvos.a
// FIXME_LINK_TVOS_KEXT: libclang_rt.tvos.a
// RUN: %clang -target armv7k-apple-watchos2.0 -mwatchos-version-min=2.0 -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_WATCHOS_ARM %s < %t.log
// LINK_WATCHOS_ARM: {{ld(.exe)?"}}
// LINK_WATCHOS_ARM: -watchos_version_min
// LINK_WATCHOS_ARM-NOT: crt
// LINK_WATCHOS_ARM-NOT: lgcc_s.1
// FIXME: This library does not get built unless the watchOS SDK is
// installed, and the driver will not try to link it if it does not exist.
// This should be reenabled when the watchOS SDK becomes a standard part
// of Xcode.
// FIXME_LINK_WATCHOS_ARM: libclang_rt.watchos.a
// RUN: %clang -target armv7k-apple-watchos2.0 -mwatchos-version-min=2.0 -fprofile-instr-generate -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_WATCHOS_PROFILE %s < %t.log
// LINK_WATCHOS_PROFILE: {{ld(.exe)?"}}
// FIXME: These libraries do not get built unless the watchOS SDK is
// installed, and the driver will not try to link them if they do not exist.
// This should be reenabled when the watchOS SDK becomes a standard part
// of Xcode.
// FIXME_LINK_WATCHOS_PROFILE: libclang_rt.profile_watchos.a
// FIXME_LINK_WATCHOS_PROFILE: libclang_rt.watchos.a
// RUN: %clang -target armv7k-apple-watchos2.0 -mwatchos-version-min=2.0 -### %t.o -lcc_kext 2> %t.log
// RUN: FileCheck -check-prefix=LINK_WATCHOS_KEXT %s < %t.log
// LINK_WATCHOS_KEXT: {{ld(.exe)?"}}
// FIXME: These libraries do not get built unless the watchOS SDK is
// installed, and the driver will not try to link them if they do not exist.
// This should be reenabled when the watchOS SDK becomes a standard part
// of Xcode.
// FIXME_LINK_WATCHOS_KEXT: libclang_rt.cc_kext_watchos.a
// FIXME_LINK_WATCHOS_KEXT: libclang_rt.watchos.a
// RUN: %clang -target i386-apple-darwin12 -pg -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_PG %s < %t.log
// LINK_PG: -lgcrt1.o
// LINK_PG: -no_new_main
// Check that clang links with libgcc_s.1 for iOS 4 and earlier, but not arm64.
// RUN: %clang -target armv7-apple-ios4.0 -miphoneos-version-min=4.0 -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_IOS_LIBGCC_S %s < %t.log
// LINK_IOS_LIBGCC_S: lgcc_s.1
// RUN: %clang -target arm64-apple-ios4.0 -miphoneos-version-min=4.0 -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_NO_IOS_ARM64_LIBGCC_S %s < %t.log
// LINK_NO_IOS_ARM64_LIBGCC_S-NOT: lgcc_s.1
// RUN: %clang -target x86_64-apple-darwin12 -rdynamic -### %t.o \
// RUN: -mlinker-version=100 2> %t.log
// RUN: FileCheck -check-prefix=LINK_NO_EXPORT_DYNAMIC %s < %t.log
// LINK_NO_EXPORT_DYNAMIC: {{ld(.exe)?"}}
// LINK_NO_EXPORT_DYNAMIC-NOT: "-export_dynamic"
// RUN: %clang -target x86_64-apple-darwin12 -rdynamic -### %t.o \
// RUN: -mlinker-version=137 2> %t.log
// RUN: FileCheck -check-prefix=LINK_EXPORT_DYNAMIC %s < %t.log
// LINK_EXPORT_DYNAMIC: {{ld(.exe)?"}}
// LINK_EXPORT_DYNAMIC: "-export_dynamic"
// RUN: %clang -target x86_64h-apple-darwin -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_X86_64H_ARCH %s < %t.log
//
// LINK_X86_64H_ARCH: {{ld(.exe)?"}}
// LINK_X86_64H_ARCH: "x86_64h"
// RUN: %clang -target x86_64-apple-darwin -arch x86_64 -arch x86_64h -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_X86_64H_MULTIARCH %s < %t.log
//
// LINK_X86_64H_MULTIARCH: {{ld(.exe)?"}}
// LINK_X86_64H_MULTIARCH: "x86_64"
//
// LINK_X86_64H_MULTIARCH: {{ld(.exe)?"}}
// LINK_X86_64H_MULTIARCH: "x86_64h"
// Check for the linker options to specify the iOS version when the
// IPHONEOS_DEPLOYMENT_TARGET variable is used instead of the command-line
// deployment target options.
// RUN: env IPHONEOS_DEPLOYMENT_TARGET=7.0 \
// RUN: %clang -target arm64-apple-darwin -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_IPHONEOS_VERSION_MIN %s < %t.log
// RUN: env IPHONEOS_DEPLOYMENT_TARGET=7.0 \
// RUN: %clang -target i386-apple-darwin -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_IOS_SIMULATOR_VERSION_MIN %s < %t.log
// LINK_IPHONEOS_VERSION_MIN: -iphoneos_version_min
// LINK_IOS_SIMULATOR_VERSION_MIN: -ios_simulator_version_min
// Ditto for tvOS....
// RUN: env TVOS_DEPLOYMENT_TARGET=7.0 \
// RUN: %clang -target armv7-apple-darwin -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_TVOS_VERSION_MIN %s < %t.log
// RUN: env TVOS_DEPLOYMENT_TARGET=7.0 \
// RUN: %clang -target x86_64-apple-darwin -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_TVOS_SIMULATOR_VERSION_MIN %s < %t.log
// LINK_TVOS_VERSION_MIN: -tvos_version_min
// LINK_TVOS_SIMULATOR_VERSION_MIN: -tvos_simulator_version_min
// ...and for watchOS.
// RUN: env WATCHOS_DEPLOYMENT_TARGET=2.0 \
// RUN: %clang -target armv7k-apple-darwin -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_WATCHOS_VERSION_MIN %s < %t.log
// RUN: env WATCHOS_DEPLOYMENT_TARGET=2.0 \
// RUN: %clang -target i386-apple-darwin -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_WATCHOS_SIMULATOR_VERSION_MIN %s < %t.log
// LINK_WATCHOS_VERSION_MIN: -watchos_version_min
// LINK_WATCHOS_SIMULATOR_VERSION_MIN: -watchos_simulator_version_min
// Check -iframework gets forward to ld as -F
// RUN: %clang -target x86_64-apple-darwin %s -iframework Bar -framework Foo -### 2>&1 | \
// RUN: FileCheck --check-prefix=LINK-IFRAMEWORK %s
// LINK-IFRAMEWORK: {{ld(.exe)?"}}
// LINK-IFRAMEWORK: "-FBar"
// Check ld64 accepts up to 5 digits with no extra characters
// RUN: %clang -target x86_64-apple-darwin12 %s -### -o %t \
// RUN: -mlinker-version=133.3 2> %t.log
// RUN: %clang -target x86_64-apple-darwin12 %s -### -o %t \
// RUN: -mlinker-version=133.3.0 2>> %t.log
// RUN: %clang -target x86_64-apple-darwin12 %s -### -o %t \
// RUN: -mlinker-version=133.3.0.1 2>> %t.log
// RUN: %clang -target x86_64-apple-darwin12 %s -### -o %t \
// RUN: -mlinker-version=133.3.0.1.2 2>> %t.log
// RUN: %clang -target x86_64-apple-darwin12 %s -### -o %t \
// RUN: -mlinker-version=133.3.0.1.2.6 2>> %t.log
// RUN: %clang -target x86_64-apple-darwin12 %s -### -o %t \
// RUN: -mlinker-version=133.3.0.1.a 2>> %t.log
// RUN: %clang -target x86_64-apple-darwin12 %s -### -o %t \
// RUN: -mlinker-version=133.3.0.1a 2>> %t.log
// RUN: FileCheck -check-prefix=LINK_VERSION_DIGITS %s < %t.log
// LINK_VERSION_DIGITS-NOT: invalid version number in '-mlinker-version=133.3'
// LINK_VERSION_DIGITS-NOT: invalid version number in '-mlinker-version=133.3.0'
// LINK_VERSION_DIGITS-NOT: invalid version number in '-mlinker-version=133.3.0.1'
// LINK_VERSION_DIGITS-NOT: invalid version number in '-mlinker-version=133.3.0.1.2'
// LINK_VERSION_DIGITS: invalid version number in '-mlinker-version=133.3.0.1.2.6'
// LINK_VERSION_DIGITS: invalid version number in '-mlinker-version=133.3.0.1.a'
// LINK_VERSION_DIGITS: invalid version number in '-mlinker-version=133.3.0.1a'
// Check that we're passing -lto-pass-remarks-output for LTO
// RUN: %clang -target x86_64-apple-darwin12 %t.o -fsave-optimization-record -### -o foo/bar.out 2> %t.log
// RUN: FileCheck -check-prefix=PASS_REMARKS_OUTPUT %s < %t.log
// PASS_REMARKS_OUTPUT: "-mllvm" "-lto-pass-remarks-output" "-mllvm" "foo/bar.out.opt.yaml"
// PASS_REMARKS_OUTPUT-NOT: -lto-pass-remarks-with-hotness
// RUN: %clang -target x86_64-apple-darwin12 %t.o -fsave-optimization-record -### 2> %t.log
// RUN: FileCheck -check-prefix=PASS_REMARKS_OUTPUT_NO_O %s < %t.log
// PASS_REMARKS_OUTPUT_NO_O: "-mllvm" "-lto-pass-remarks-output" "-mllvm" "a.out.opt.yaml"
// RUN: %clang -target x86_64-apple-darwin12 %t.o -fsave-optimization-record -fprofile-instr-use=blah -### -o foo/bar.out 2> %t.log
// RUN: FileCheck -check-prefix=PASS_REMARKS_WITH_HOTNESS %s < %t.log
// PASS_REMARKS_WITH_HOTNESS: "-mllvm" "-lto-pass-remarks-output" "-mllvm" "foo/bar.out.opt.yaml" "-mllvm" "-lto-pass-remarks-with-hotness"
|
the_stack_data/75137243.c | /********************************************************************************************************
* @file ble_port.c
*
* @brief for TLSR chips
*
* @author telink
* @date Sep. 30, 2010
*
* @par Copyright (c) 2018, Telink Semiconductor (Shanghai) Co., Ltd.
* All rights reserved.
*
* The information contained herein is confidential property of Telink
* Semiconductor (Shanghai) Co., Ltd. and is available under the terms
* of Commercial License Agreement between Telink Semiconductor (Shanghai)
* Co., Ltd. and the licensee or the terms described here-in. This heading
* MUST NOT be removed from this file.
*
* Licensees are granted free, non-transferable use of the information in this
* file under Mutual Non-Disclosure Agreement. NO WARRENTY of ANY KIND is provided.
*
*******************************************************************************************************/
#if 0
#ifndef CONFIG_MESH_STACK_ALONE
#include <bluetooth.h>
#include <storage.h>
#include <hci.h>
#endif
#include <aos/kernel.h>
#include <flash.h>
#include <aos/errno.h>
#include "ble_port.h"
#ifndef AOS_COMP_KV
#define MAX_REMOTE_DEV_SIZE (5)
#ifndef CONFIG_MESH_STACK_ALONE
typedef struct{
uint8_t mac[6];
bt_addr_le_t local_mac;
uint8_t local_IRK[16];
bt_addr_le_t remote_dev[MAX_REMOTE_DEV_SIZE];
uint8_t remote_IRK[16];
struct bt_storage_ltk LTK;
struct bt_storage_ltk slave_LTK;
} bt_storage_t;
#endif
#endif
#ifndef CONFIG_MESH_STACK_ALONE
static ssize_t storage_read(const bt_addr_le_t *addr, u16_t key, void *data,
size_t length)
{
uint8_t mac[6];
int err_code;
uint8_t s[20];
sprintf(s ,"BT_STORAGE_%02x", key);
#ifdef AOS_COMP_KV
err_code = aos_kv_get(s, data, length, 1);
#else
unsigned int off = 0;
bt_storage_t local_storage;
memset(&local_storage, 0, sizeof(bt_storage_t));
err_code = hal_flash_read(HAL_PARTITION_PARAMETER_3, &off, &local_storage, sizeof(bt_storage_t));
if(!err_code){
memcpy(mac, (uint8_t*)local_storage.local_mac.a.val, sizeof(mac));
}
#endif
if(err_code == 0){
if(BT_STORAGE_ID_ADDR == key){
uint8_t mac[6];
memcpy(mac ,((bt_addr_le_t *)data)->a.val, 6);
printf("%s: valid mac read - 0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\r\n",
__func__, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
return sizeof(bt_addr_le_t);
}
} else if(err_code == -ENOENT){
if(BT_STORAGE_ID_ADDR == key){
printf("%s: no valid mac read\r\n", __func__);
return 0;
}
} else{
printf("KV read failed(%d)\n", err_code);
return -1;
}
}
static ssize_t storage_write(const bt_addr_le_t *addr, u16_t key,
const void *data, size_t length)
{
uint32_t err_code;
uint8_t mac[6];
uint8_t s[20];
sprintf(s ,"BT_STORAGE_%02x", key);
#ifdef AOS_COMP_KV
err_code = aos_kv_set(s, data, length, 1);
#else
unsigned int off = 0;
bt_storage_t local_storage;
err_code = hal_flash_read(HAL_PARTITION_PARAMETER_3, &off, &local_storage, sizeof(bt_storage_t));
if(memcmp(mac, (uint8_t*)local_storage.local_mac.a.val, sizeof(mac)) == 0){
printf("No need to store MAC\n");
return sizeof(bt_addr_le_t);
}
if(!err_code){
memcpy( (uint8_t*)local_storage.local_mac.a.val, mac,sizeof(mac));
err_code = hal_flash_erase(HAL_PARTITION_PARAMETER_3, &off, 4096);
if(!err_code){
printf("Flash erase failed\n");
return -1;
}
}
err_code = hal_flash_erase_write(HAL_PARTITION_PARAMETER_3, &off, &local_storage, sizeof(bt_storage_t));
#endif
if (err_code != 0) {
printf("%s failed.\r\n", __func__);
return 0;
}
return sizeof(bt_addr_le_t);
}
static int storage_clear(const bt_addr_le_t *addr)
{
return 0;
}
#endif
int ble_storage_init(void)
{
#ifndef CONFIG_MESH_STACK_ALONE
static const struct bt_storage storage = {
.read = storage_read,
.write = storage_write,
.clear = storage_clear
};
//TBD:should check lower flash APIs
bt_storage_register(&storage);
#endif
return 0;
}
#endif
|
the_stack_data/2907.c | #include <stdio.h>
int main(void) {
int age = 37;
printf("%ld\n", sizeof(age));
printf("%ld", sizeof(int));
} |
the_stack_data/57950828.c | void main()
{
int codigo, quantidade;
float v;
printf(" Se deseja CACHORRO QUENTE digite : 100\n ");
printf("Se deseja BAURU digite : 101\n ");
printf("Se deseja PASTEL digite : 102\n ");
printf("Se deseja REFRIGERANTE digite : 103\n ");
printf("Se deseja SUCO digite : 104\n ");
printf("Se deseja MISTO QUENTE digite : 105\n ");
scanf("%d", &codigo);
printf("Digite a quantidade:\n");
scanf("%d", &quantidade);
switch (codigo)
{
case 100:
printf("item pedido - CACHORRO QUENTE\n");
v = quantidade*3.00;
printf("Total a pagar = %2.f reais", v);
break;
case 101:
printf("item pedido - BAURU\n");
v = quantidade*3.50;
printf("Total a pagar = %2.f reais", v);
break;
case 102:
printf("item pedido - PASTEL\n");
v = quantidade*4.00;
printf("Total a pagar = %2.f reais", v);
break;
case 103:
printf("item pedido - REFRIGERANTE\n");
v = quantidade*4.50;
printf("Total a pagar = %2.f reais", v);
break;
case 104:
printf("item pedido - SUCO\n");
v = quantidade*5.00;
printf("Total a pagar = %2.f reais ", v);
break;
case 105:
printf("item pedido - MISTO QUENTE\n");
v = quantidade*5.50;
printf("Total a pagar = %2.f reais ", v);
break;
default:
printf("Codigo nao cadastrado!!");
break;
}
}
|
the_stack_data/92326555.c | #include<stdio.h>/*あらかじめ用意されているC言語の入出力関係の機能（ライブラリ）を「使いますよ」という宣言をしています。*/
int main(void)/*C言語のプログラムでは「int main(void)」から実行が始まります*/
{/*「main(void){」で始まり「}」で終わります*/
int counter;
int total;
/* 最初に総和を0にする */
total=0;
for(counter=0;counter<10;counter++){
/* 総和にカウンタの値を加えていく */
total=total+counter;
printf("counter=%d,total=%d\n",counter,total);
}
printf("%d\n",total);
return 0;/*プログラムを終了する命令です*/
}/*「main(void){」で始まり「}」で終わります*/
|
the_stack_data/232955151.c | #include <math.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <complex.h>
#ifdef complex
#undef complex
#endif
#ifdef I
#undef I
#endif
#if defined(_WIN64)
typedef long long BLASLONG;
typedef unsigned long long BLASULONG;
#else
typedef long BLASLONG;
typedef unsigned long BLASULONG;
#endif
#ifdef LAPACK_ILP64
typedef BLASLONG blasint;
#if defined(_WIN64)
#define blasabs(x) llabs(x)
#else
#define blasabs(x) labs(x)
#endif
#else
typedef int blasint;
#define blasabs(x) abs(x)
#endif
typedef blasint integer;
typedef unsigned int uinteger;
typedef char *address;
typedef short int shortint;
typedef float real;
typedef double doublereal;
typedef struct { real r, i; } complex;
typedef struct { doublereal r, i; } doublecomplex;
#ifdef _MSC_VER
static inline _Fcomplex Cf(complex *z) {_Fcomplex zz={z->r , z->i}; return zz;}
static inline _Dcomplex Cd(doublecomplex *z) {_Dcomplex zz={z->r , z->i};return zz;}
static inline _Fcomplex * _pCf(complex *z) {return (_Fcomplex*)z;}
static inline _Dcomplex * _pCd(doublecomplex *z) {return (_Dcomplex*)z;}
#else
static inline _Complex float Cf(complex *z) {return z->r + z->i*_Complex_I;}
static inline _Complex double Cd(doublecomplex *z) {return z->r + z->i*_Complex_I;}
static inline _Complex float * _pCf(complex *z) {return (_Complex float*)z;}
static inline _Complex double * _pCd(doublecomplex *z) {return (_Complex double*)z;}
#endif
#define pCf(z) (*_pCf(z))
#define pCd(z) (*_pCd(z))
typedef int logical;
typedef short int shortlogical;
typedef char logical1;
typedef char integer1;
#define TRUE_ (1)
#define FALSE_ (0)
/* Extern is for use with -E */
#ifndef Extern
#define Extern extern
#endif
/* I/O stuff */
typedef int flag;
typedef int ftnlen;
typedef int ftnint;
/*external read, write*/
typedef struct
{ flag cierr;
ftnint ciunit;
flag ciend;
char *cifmt;
ftnint cirec;
} cilist;
/*internal read, write*/
typedef struct
{ flag icierr;
char *iciunit;
flag iciend;
char *icifmt;
ftnint icirlen;
ftnint icirnum;
} icilist;
/*open*/
typedef struct
{ flag oerr;
ftnint ounit;
char *ofnm;
ftnlen ofnmlen;
char *osta;
char *oacc;
char *ofm;
ftnint orl;
char *oblnk;
} olist;
/*close*/
typedef struct
{ flag cerr;
ftnint cunit;
char *csta;
} cllist;
/*rewind, backspace, endfile*/
typedef struct
{ flag aerr;
ftnint aunit;
} alist;
/* inquire */
typedef struct
{ flag inerr;
ftnint inunit;
char *infile;
ftnlen infilen;
ftnint *inex; /*parameters in standard's order*/
ftnint *inopen;
ftnint *innum;
ftnint *innamed;
char *inname;
ftnlen innamlen;
char *inacc;
ftnlen inacclen;
char *inseq;
ftnlen inseqlen;
char *indir;
ftnlen indirlen;
char *infmt;
ftnlen infmtlen;
char *inform;
ftnint informlen;
char *inunf;
ftnlen inunflen;
ftnint *inrecl;
ftnint *innrec;
char *inblank;
ftnlen inblanklen;
} inlist;
#define VOID void
union Multitype { /* for multiple entry points */
integer1 g;
shortint h;
integer i;
/* longint j; */
real r;
doublereal d;
complex c;
doublecomplex z;
};
typedef union Multitype Multitype;
struct Vardesc { /* for Namelist */
char *name;
char *addr;
ftnlen *dims;
int type;
};
typedef struct Vardesc Vardesc;
struct Namelist {
char *name;
Vardesc **vars;
int nvars;
};
typedef struct Namelist Namelist;
#define abs(x) ((x) >= 0 ? (x) : -(x))
#define dabs(x) (fabs(x))
#define f2cmin(a,b) ((a) <= (b) ? (a) : (b))
#define f2cmax(a,b) ((a) >= (b) ? (a) : (b))
#define dmin(a,b) (f2cmin(a,b))
#define dmax(a,b) (f2cmax(a,b))
#define bit_test(a,b) ((a) >> (b) & 1)
#define bit_clear(a,b) ((a) & ~((uinteger)1 << (b)))
#define bit_set(a,b) ((a) | ((uinteger)1 << (b)))
#define abort_() { sig_die("Fortran abort routine called", 1); }
#define c_abs(z) (cabsf(Cf(z)))
#define c_cos(R,Z) { pCf(R)=ccos(Cf(Z)); }
#ifdef _MSC_VER
#define c_div(c, a, b) {Cf(c)._Val[0] = (Cf(a)._Val[0]/Cf(b)._Val[0]); Cf(c)._Val[1]=(Cf(a)._Val[1]/Cf(b)._Val[1]);}
#define z_div(c, a, b) {Cd(c)._Val[0] = (Cd(a)._Val[0]/Cd(b)._Val[0]); Cd(c)._Val[1]=(Cd(a)._Val[1]/df(b)._Val[1]);}
#else
#define c_div(c, a, b) {pCf(c) = Cf(a)/Cf(b);}
#define z_div(c, a, b) {pCd(c) = Cd(a)/Cd(b);}
#endif
#define c_exp(R, Z) {pCf(R) = cexpf(Cf(Z));}
#define c_log(R, Z) {pCf(R) = clogf(Cf(Z));}
#define c_sin(R, Z) {pCf(R) = csinf(Cf(Z));}
//#define c_sqrt(R, Z) {*(R) = csqrtf(Cf(Z));}
#define c_sqrt(R, Z) {pCf(R) = csqrtf(Cf(Z));}
#define d_abs(x) (fabs(*(x)))
#define d_acos(x) (acos(*(x)))
#define d_asin(x) (asin(*(x)))
#define d_atan(x) (atan(*(x)))
#define d_atn2(x, y) (atan2(*(x),*(y)))
#define d_cnjg(R, Z) { pCd(R) = conj(Cd(Z)); }
#define r_cnjg(R, Z) { pCf(R) = conjf(Cf(Z)); }
#define d_cos(x) (cos(*(x)))
#define d_cosh(x) (cosh(*(x)))
#define d_dim(__a, __b) ( *(__a) > *(__b) ? *(__a) - *(__b) : 0.0 )
#define d_exp(x) (exp(*(x)))
#define d_imag(z) (cimag(Cd(z)))
#define r_imag(z) (cimagf(Cf(z)))
#define d_int(__x) (*(__x)>0 ? floor(*(__x)) : -floor(- *(__x)))
#define r_int(__x) (*(__x)>0 ? floor(*(__x)) : -floor(- *(__x)))
#define d_lg10(x) ( 0.43429448190325182765 * log(*(x)) )
#define r_lg10(x) ( 0.43429448190325182765 * log(*(x)) )
#define d_log(x) (log(*(x)))
#define d_mod(x, y) (fmod(*(x), *(y)))
#define u_nint(__x) ((__x)>=0 ? floor((__x) + .5) : -floor(.5 - (__x)))
#define d_nint(x) u_nint(*(x))
#define u_sign(__a,__b) ((__b) >= 0 ? ((__a) >= 0 ? (__a) : -(__a)) : -((__a) >= 0 ? (__a) : -(__a)))
#define d_sign(a,b) u_sign(*(a),*(b))
#define r_sign(a,b) u_sign(*(a),*(b))
#define d_sin(x) (sin(*(x)))
#define d_sinh(x) (sinh(*(x)))
#define d_sqrt(x) (sqrt(*(x)))
#define d_tan(x) (tan(*(x)))
#define d_tanh(x) (tanh(*(x)))
#define i_abs(x) abs(*(x))
#define i_dnnt(x) ((integer)u_nint(*(x)))
#define i_len(s, n) (n)
#define i_nint(x) ((integer)u_nint(*(x)))
#define i_sign(a,b) ((integer)u_sign((integer)*(a),(integer)*(b)))
#define pow_dd(ap, bp) ( pow(*(ap), *(bp)))
#define pow_si(B,E) spow_ui(*(B),*(E))
#define pow_ri(B,E) spow_ui(*(B),*(E))
#define pow_di(B,E) dpow_ui(*(B),*(E))
#define pow_zi(p, a, b) {pCd(p) = zpow_ui(Cd(a), *(b));}
#define pow_ci(p, a, b) {pCf(p) = cpow_ui(Cf(a), *(b));}
#define pow_zz(R,A,B) {pCd(R) = cpow(Cd(A),*(B));}
#define s_cat(lpp, rpp, rnp, np, llp) { ftnlen i, nc, ll; char *f__rp, *lp; ll = (llp); lp = (lpp); for(i=0; i < (int)*(np); ++i) { nc = ll; if((rnp)[i] < nc) nc = (rnp)[i]; ll -= nc; f__rp = (rpp)[i]; while(--nc >= 0) *lp++ = *(f__rp)++; } while(--ll >= 0) *lp++ = ' '; }
#define s_cmp(a,b,c,d) ((integer)strncmp((a),(b),f2cmin((c),(d))))
#define s_copy(A,B,C,D) { int __i,__m; for (__i=0, __m=f2cmin((C),(D)); __i<__m && (B)[__i] != 0; ++__i) (A)[__i] = (B)[__i]; }
#define sig_die(s, kill) { exit(1); }
#define s_stop(s, n) {exit(0);}
static char junk[] = "\n@(#)LIBF77 VERSION 19990503\n";
#define z_abs(z) (cabs(Cd(z)))
#define z_exp(R, Z) {pCd(R) = cexp(Cd(Z));}
#define z_sqrt(R, Z) {pCd(R) = csqrt(Cd(Z));}
#define myexit_() break;
#define mycycle() continue;
#define myceiling(w) {ceil(w)}
#define myhuge(w) {HUGE_VAL}
//#define mymaxloc_(w,s,e,n) {if (sizeof(*(w)) == sizeof(double)) dmaxloc_((w),*(s),*(e),n); else dmaxloc_((w),*(s),*(e),n);}
#define mymaxloc(w,s,e,n) {dmaxloc_(w,*(s),*(e),n)}
/* procedure parameter types for -A and -C++ */
#define F2C_proc_par_types 1
#ifdef __cplusplus
typedef logical (*L_fp)(...);
#else
typedef logical (*L_fp)();
#endif
static float spow_ui(float x, integer n) {
float pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
static double dpow_ui(double x, integer n) {
double pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#ifdef _MSC_VER
static _Fcomplex cpow_ui(complex x, integer n) {
complex pow={1.0,0.0}; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x.r = 1/x.r, x.i=1/x.i;
for(u = n; ; ) {
if(u & 01) pow.r *= x.r, pow.i *= x.i;
if(u >>= 1) x.r *= x.r, x.i *= x.i;
else break;
}
}
_Fcomplex p={pow.r, pow.i};
return p;
}
#else
static _Complex float cpow_ui(_Complex float x, integer n) {
_Complex float pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#endif
#ifdef _MSC_VER
static _Dcomplex zpow_ui(_Dcomplex x, integer n) {
_Dcomplex pow={1.0,0.0}; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x._Val[0] = 1/x._Val[0], x._Val[1] =1/x._Val[1];
for(u = n; ; ) {
if(u & 01) pow._Val[0] *= x._Val[0], pow._Val[1] *= x._Val[1];
if(u >>= 1) x._Val[0] *= x._Val[0], x._Val[1] *= x._Val[1];
else break;
}
}
_Dcomplex p = {pow._Val[0], pow._Val[1]};
return p;
}
#else
static _Complex double zpow_ui(_Complex double x, integer n) {
_Complex double pow=1.0; unsigned long int u;
if(n != 0) {
if(n < 0) n = -n, x = 1/x;
for(u = n; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
#endif
static integer pow_ii(integer x, integer n) {
integer pow; unsigned long int u;
if (n <= 0) {
if (n == 0 || x == 1) pow = 1;
else if (x != -1) pow = x == 0 ? 1/x : 0;
else n = -n;
}
if ((n > 0) || !(n == 0 || x == 1 || x != -1)) {
u = n;
for(pow = 1; ; ) {
if(u & 01) pow *= x;
if(u >>= 1) x *= x;
else break;
}
}
return pow;
}
static integer dmaxloc_(double *w, integer s, integer e, integer *n)
{
double m; integer i, mi;
for(m=w[s-1], mi=s, i=s+1; i<=e; i++)
if (w[i-1]>m) mi=i ,m=w[i-1];
return mi-s+1;
}
static integer smaxloc_(float *w, integer s, integer e, integer *n)
{
float m; integer i, mi;
for(m=w[s-1], mi=s, i=s+1; i<=e; i++)
if (w[i-1]>m) mi=i ,m=w[i-1];
return mi-s+1;
}
static inline void cdotc_(complex *z, integer *n_, complex *x, integer *incx_, complex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Fcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conjf(Cf(&x[i]))._Val[0] * Cf(&y[i])._Val[0];
zdotc._Val[1] += conjf(Cf(&x[i]))._Val[1] * Cf(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conjf(Cf(&x[i*incx]))._Val[0] * Cf(&y[i*incy])._Val[0];
zdotc._Val[1] += conjf(Cf(&x[i*incx]))._Val[1] * Cf(&y[i*incy])._Val[1];
}
}
pCf(z) = zdotc;
}
#else
_Complex float zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conjf(Cf(&x[i])) * Cf(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conjf(Cf(&x[i*incx])) * Cf(&y[i*incy]);
}
}
pCf(z) = zdotc;
}
#endif
static inline void zdotc_(doublecomplex *z, integer *n_, doublecomplex *x, integer *incx_, doublecomplex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Dcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conj(Cd(&x[i]))._Val[0] * Cd(&y[i])._Val[0];
zdotc._Val[1] += conj(Cd(&x[i]))._Val[1] * Cd(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += conj(Cd(&x[i*incx]))._Val[0] * Cd(&y[i*incy])._Val[0];
zdotc._Val[1] += conj(Cd(&x[i*incx]))._Val[1] * Cd(&y[i*incy])._Val[1];
}
}
pCd(z) = zdotc;
}
#else
_Complex double zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conj(Cd(&x[i])) * Cd(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += conj(Cd(&x[i*incx])) * Cd(&y[i*incy]);
}
}
pCd(z) = zdotc;
}
#endif
static inline void cdotu_(complex *z, integer *n_, complex *x, integer *incx_, complex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Fcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cf(&x[i])._Val[0] * Cf(&y[i])._Val[0];
zdotc._Val[1] += Cf(&x[i])._Val[1] * Cf(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cf(&x[i*incx])._Val[0] * Cf(&y[i*incy])._Val[0];
zdotc._Val[1] += Cf(&x[i*incx])._Val[1] * Cf(&y[i*incy])._Val[1];
}
}
pCf(z) = zdotc;
}
#else
_Complex float zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cf(&x[i]) * Cf(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cf(&x[i*incx]) * Cf(&y[i*incy]);
}
}
pCf(z) = zdotc;
}
#endif
static inline void zdotu_(doublecomplex *z, integer *n_, doublecomplex *x, integer *incx_, doublecomplex *y, integer *incy_) {
integer n = *n_, incx = *incx_, incy = *incy_, i;
#ifdef _MSC_VER
_Dcomplex zdotc = {0.0, 0.0};
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cd(&x[i])._Val[0] * Cd(&y[i])._Val[0];
zdotc._Val[1] += Cd(&x[i])._Val[1] * Cd(&y[i])._Val[1];
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc._Val[0] += Cd(&x[i*incx])._Val[0] * Cd(&y[i*incy])._Val[0];
zdotc._Val[1] += Cd(&x[i*incx])._Val[1] * Cd(&y[i*incy])._Val[1];
}
}
pCd(z) = zdotc;
}
#else
_Complex double zdotc = 0.0;
if (incx == 1 && incy == 1) {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cd(&x[i]) * Cd(&y[i]);
}
} else {
for (i=0;i<n;i++) { /* zdotc = zdotc + dconjg(x(i))* y(i) */
zdotc += Cd(&x[i*incx]) * Cd(&y[i*incy]);
}
}
pCd(z) = zdotc;
}
#endif
/* -- translated by f2c (version 20000121).
You must link the resulting object file with the libraries:
-lf2c -lm (in that order)
*/
/* > \brief \b DOPGTR */
/* =========== DOCUMENTATION =========== */
/* Online html documentation available at */
/* http://www.netlib.org/lapack/explore-html/ */
/* > \htmlonly */
/* > Download DOPGTR + dependencies */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dopgtr.
f"> */
/* > [TGZ]</a> */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dopgtr.
f"> */
/* > [ZIP]</a> */
/* > <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dopgtr.
f"> */
/* > [TXT]</a> */
/* > \endhtmlonly */
/* Definition: */
/* =========== */
/* SUBROUTINE DOPGTR( UPLO, N, AP, TAU, Q, LDQ, WORK, INFO ) */
/* CHARACTER UPLO */
/* INTEGER INFO, LDQ, N */
/* DOUBLE PRECISION AP( * ), Q( LDQ, * ), TAU( * ), WORK( * ) */
/* > \par Purpose: */
/* ============= */
/* > */
/* > \verbatim */
/* > */
/* > DOPGTR generates a real orthogonal matrix Q which is defined as the */
/* > product of n-1 elementary reflectors H(i) of order n, as returned by */
/* > DSPTRD using packed storage: */
/* > */
/* > if UPLO = 'U', Q = H(n-1) . . . H(2) H(1), */
/* > */
/* > if UPLO = 'L', Q = H(1) H(2) . . . H(n-1). */
/* > \endverbatim */
/* Arguments: */
/* ========== */
/* > \param[in] UPLO */
/* > \verbatim */
/* > UPLO is CHARACTER*1 */
/* > = 'U': Upper triangular packed storage used in previous */
/* > call to DSPTRD; */
/* > = 'L': Lower triangular packed storage used in previous */
/* > call to DSPTRD. */
/* > \endverbatim */
/* > */
/* > \param[in] N */
/* > \verbatim */
/* > N is INTEGER */
/* > The order of the matrix Q. N >= 0. */
/* > \endverbatim */
/* > */
/* > \param[in] AP */
/* > \verbatim */
/* > AP is DOUBLE PRECISION array, dimension (N*(N+1)/2) */
/* > The vectors which define the elementary reflectors, as */
/* > returned by DSPTRD. */
/* > \endverbatim */
/* > */
/* > \param[in] TAU */
/* > \verbatim */
/* > TAU is DOUBLE PRECISION array, dimension (N-1) */
/* > TAU(i) must contain the scalar factor of the elementary */
/* > reflector H(i), as returned by DSPTRD. */
/* > \endverbatim */
/* > */
/* > \param[out] Q */
/* > \verbatim */
/* > Q is DOUBLE PRECISION array, dimension (LDQ,N) */
/* > The N-by-N orthogonal matrix Q. */
/* > \endverbatim */
/* > */
/* > \param[in] LDQ */
/* > \verbatim */
/* > LDQ is INTEGER */
/* > The leading dimension of the array Q. LDQ >= f2cmax(1,N). */
/* > \endverbatim */
/* > */
/* > \param[out] WORK */
/* > \verbatim */
/* > WORK is DOUBLE PRECISION array, dimension (N-1) */
/* > \endverbatim */
/* > */
/* > \param[out] INFO */
/* > \verbatim */
/* > INFO is INTEGER */
/* > = 0: successful exit */
/* > < 0: if INFO = -i, the i-th argument had an illegal value */
/* > \endverbatim */
/* Authors: */
/* ======== */
/* > \author Univ. of Tennessee */
/* > \author Univ. of California Berkeley */
/* > \author Univ. of Colorado Denver */
/* > \author NAG Ltd. */
/* > \date December 2016 */
/* > \ingroup doubleOTHERcomputational */
/* ===================================================================== */
/* Subroutine */ int dopgtr_(char *uplo, integer *n, doublereal *ap,
doublereal *tau, doublereal *q, integer *ldq, doublereal *work,
integer *info)
{
/* System generated locals */
integer q_dim1, q_offset, i__1, i__2, i__3;
/* Local variables */
integer i__, j;
extern logical lsame_(char *, char *);
integer iinfo;
logical upper;
extern /* Subroutine */ int dorg2l_(integer *, integer *, integer *,
doublereal *, integer *, doublereal *, doublereal *, integer *),
dorg2r_(integer *, integer *, integer *, doublereal *, integer *,
doublereal *, doublereal *, integer *);
integer ij;
extern /* Subroutine */ int xerbla_(char *, integer *, ftnlen);
/* -- LAPACK computational routine (version 3.7.0) -- */
/* -- LAPACK is a software package provided by Univ. of Tennessee, -- */
/* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- */
/* December 2016 */
/* ===================================================================== */
/* Test the input arguments */
/* Parameter adjustments */
--ap;
--tau;
q_dim1 = *ldq;
q_offset = 1 + q_dim1 * 1;
q -= q_offset;
--work;
/* Function Body */
*info = 0;
upper = lsame_(uplo, "U");
if (! upper && ! lsame_(uplo, "L")) {
*info = -1;
} else if (*n < 0) {
*info = -2;
} else if (*ldq < f2cmax(1,*n)) {
*info = -6;
}
if (*info != 0) {
i__1 = -(*info);
xerbla_("DOPGTR", &i__1, (ftnlen)6);
return 0;
}
/* Quick return if possible */
if (*n == 0) {
return 0;
}
if (upper) {
/* Q was determined by a call to DSPTRD with UPLO = 'U' */
/* Unpack the vectors which define the elementary reflectors and */
/* set the last row and column of Q equal to those of the unit */
/* matrix */
ij = 2;
i__1 = *n - 1;
for (j = 1; j <= i__1; ++j) {
i__2 = j - 1;
for (i__ = 1; i__ <= i__2; ++i__) {
q[i__ + j * q_dim1] = ap[ij];
++ij;
/* L10: */
}
ij += 2;
q[*n + j * q_dim1] = 0.;
/* L20: */
}
i__1 = *n - 1;
for (i__ = 1; i__ <= i__1; ++i__) {
q[i__ + *n * q_dim1] = 0.;
/* L30: */
}
q[*n + *n * q_dim1] = 1.;
/* Generate Q(1:n-1,1:n-1) */
i__1 = *n - 1;
i__2 = *n - 1;
i__3 = *n - 1;
dorg2l_(&i__1, &i__2, &i__3, &q[q_offset], ldq, &tau[1], &work[1], &
iinfo);
} else {
/* Q was determined by a call to DSPTRD with UPLO = 'L'. */
/* Unpack the vectors which define the elementary reflectors and */
/* set the first row and column of Q equal to those of the unit */
/* matrix */
q[q_dim1 + 1] = 1.;
i__1 = *n;
for (i__ = 2; i__ <= i__1; ++i__) {
q[i__ + q_dim1] = 0.;
/* L40: */
}
ij = 3;
i__1 = *n;
for (j = 2; j <= i__1; ++j) {
q[j * q_dim1 + 1] = 0.;
i__2 = *n;
for (i__ = j + 1; i__ <= i__2; ++i__) {
q[i__ + j * q_dim1] = ap[ij];
++ij;
/* L50: */
}
ij += 2;
/* L60: */
}
if (*n > 1) {
/* Generate Q(2:n,2:n) */
i__1 = *n - 1;
i__2 = *n - 1;
i__3 = *n - 1;
dorg2r_(&i__1, &i__2, &i__3, &q[(q_dim1 << 1) + 2], ldq, &tau[1],
&work[1], &iinfo);
}
}
return 0;
/* End of DOPGTR */
} /* dopgtr_ */
|
the_stack_data/343023.c | #include <stdio.h>
#define JOGADOR_X 'X'
#define JOGADOR_O 'O'
#define EMPATE 'E'
#define CARACTERE_BRANCO '_'
#define QTD_LINHAS 3
#define QTD_COLUNAS 3
int main(int argc, char const *argv[])
{
int linha;
int coluna;
int posicao;
int aux_posicao;
int jogada_valida;
int cont_jogadas = 0;
int tam_tabuleiro = QTD_LINHAS * QTD_COLUNAS;
char jogador_atual = JOGADOR_X;
char ganhador = EMPATE;
char tabuleiro[QTD_LINHAS][QTD_COLUNAS];
for (linha = 0; linha < QTD_LINHAS; linha += 1)
for (coluna = 0; coluna < QTD_COLUNAS; coluna += 1)
tabuleiro[linha][coluna] = CARACTERE_BRANCO;
while (1)
{
printf("\n");
for (linha = 0; linha < QTD_LINHAS; linha += 1)
{
for (coluna = 0; coluna < QTD_COLUNAS; coluna += 1)
printf("%c ", tabuleiro[linha][coluna]);
printf("\n");
}
printf("\nJogador %c sua vez\n", jogador_atual);
scanf("%d", &posicao);
if (!(posicao >= 1 && posicao <= 9))
{
printf("\nPosicao invalida, digite novamente.\n");
continue;
}
aux_posicao = 1;
jogada_valida = 1;
for (linha = 0; linha < QTD_LINHAS; linha += 1)
{
if (posicao >= aux_posicao && posicao <= aux_posicao + QTD_COLUNAS - 1)
{
if (tabuleiro[linha][posicao - aux_posicao] == CARACTERE_BRANCO)
tabuleiro[linha][posicao - aux_posicao] = jogador_atual;
else
{
printf("\nEssa posicao ja foi preenchida, digite novamente.\n");
jogada_valida = 0;
}
break;
}
aux_posicao += QTD_COLUNAS;
}
if (!jogada_valida)
continue;
for (linha = 0; linha < QTD_LINHAS; linha += 1)
{
ganhador = jogador_atual;
for (coluna = 1; coluna < QTD_COLUNAS; coluna += 1)
{
if (
tabuleiro[linha][coluna] == CARACTERE_BRANCO
|| tabuleiro[linha][coluna] != tabuleiro[linha][coluna - 1]
) {
ganhador = EMPATE;
break;
}
}
if (ganhador != EMPATE)
break;
}
if (ganhador == EMPATE)
{
for (coluna = 0; coluna < QTD_COLUNAS; coluna += 1)
{
ganhador = jogador_atual;
for (linha = 1; linha < QTD_LINHAS; linha += 1)
{
if (
tabuleiro[linha][coluna] == CARACTERE_BRANCO
|| tabuleiro[linha][coluna] != tabuleiro[linha - 1][coluna]
) {
ganhador = EMPATE;
break;
}
}
if (ganhador != EMPATE)
break;
}
}
if (ganhador == EMPATE)
{
ganhador = jogador_atual;
for (linha = 1; linha < QTD_LINHAS; linha += 1)
{
if (
tabuleiro[linha][linha] == CARACTERE_BRANCO
|| tabuleiro[linha][linha] != tabuleiro[linha - 1][linha - 1]
) {
ganhador = EMPATE;
break;
}
}
}
if (ganhador == EMPATE)
{
ganhador = jogador_atual;
coluna = QTD_COLUNAS - 2;
for (linha = 1; linha < QTD_LINHAS && coluna >= 0; linha += 1)
{
if (
tabuleiro[linha][coluna] == CARACTERE_BRANCO
|| tabuleiro[linha][coluna] != tabuleiro[linha - 1][coluna + 1]
) {
ganhador = EMPATE;
break;
}
coluna -= 1;
}
}
cont_jogadas += 1;
if (ganhador != EMPATE || cont_jogadas == tam_tabuleiro)
break;
if (cont_jogadas % 2 == 0)
jogador_atual = JOGADOR_X;
else
jogador_atual = JOGADOR_O;
}
if (ganhador != EMPATE)
printf("\nO jogador %c ganhou!\n", ganhador);
else
printf("\nEmpatou!\n");
for (linha = 0; linha < QTD_LINHAS; linha += 1)
{
for (coluna = 0; coluna < QTD_COLUNAS; coluna += 1)
printf("%c ", tabuleiro[linha][coluna]);
printf("\n");
}
return 0;
}
|
the_stack_data/73575417.c | //z23.c
#include <stdio.h>
#include <stdlib.h>
int main( int argc, char *argv[] )
{
if ( argc == 0 )
puts( "Nema dostupne komandne linije." );
else
{ // Stampa naziv programa.
printf( "Program koji se izvrsava: %s\n", argv[0] );
if ( argc == 1 )
puts( "Nema argumenata preuzetih iz komandne linije." );
else
{
puts( "Argumenti komandne linije su:" );
for ( int i = 1; i < argc; ++i ) // Stampa svaki argument
// u posebnoj liniji.
puts( argv[i] );
}
}
return EXIT_SUCCESS;
} |
the_stack_data/90763029.c | //
// pr_pset03_05.c
// Write a program that requests your age in years and then displays
// the equivalent number of seconds.
//
#include <stdio.h>
int main(void)
{
const float secs_in_year = 3.156e7;
int years;
float age_of_user;
printf("Enter your age in years: ");
scanf("%d", &years);
age_of_user = years * secs_in_year;
printf("Your age in seconds is %e or %f\n",
age_of_user, age_of_user);
return 0;
}
|
the_stack_data/162642537.c | /**************************************************************************************************
* *
* This file is part of BLASFEO. *
* *
* BLASFEO -- BLAS For Embedded Optimization. *
* Copyright (C) 2016-2017 by Gianluca Frison. *
* Developed at IMTEK (University of Freiburg) under the supervision of Moritz Diehl. *
* All rights reserved. *
* *
* HPMPC is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* HPMPC is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with HPMPC; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
* *
* Author: Gianluca Frison, giaf (at) dtu.dk *
* gianluca.frison (at) imtek.uni-freiburg.de *
* *
**************************************************************************************************/
// B is the diagonal of a matrix, case beta=0.0
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_right_4_a0_lib4(int kmax, double *alpha, double *A, int sda, double *B, double *D, int sdd)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0,
a_0, a_1, a_2, a_3,
b_0, b_1, b_2, b_3,
c_0, c_1, c_2, c_3;
alpha0 = alpha[0];
b_0 = alpha0 * B[0];
b_1 = alpha0 * B[1];
b_2 = alpha0 * B[2];
b_3 = alpha0 * B[3];
for(k=0; k<kmax-3; k+=4)
{
a_0 = A[0+bs*0];
a_1 = A[1+bs*0];
a_2 = A[2+bs*0];
a_3 = A[3+bs*0];
c_0 = a_0 * b_0;
c_1 = a_1 * b_0;
c_2 = a_2 * b_0;
c_3 = a_3 * b_0;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
a_0 = A[0+bs*1];
a_1 = A[1+bs*1];
a_2 = A[2+bs*1];
a_3 = A[3+bs*1];
c_0 = a_0 * b_1;
c_1 = a_1 * b_1;
c_2 = a_2 * b_1;
c_3 = a_3 * b_1;
D[0+bs*1] = c_0;
D[1+bs*1] = c_1;
D[2+bs*1] = c_2;
D[3+bs*1] = c_3;
a_0 = A[0+bs*2];
a_1 = A[1+bs*2];
a_2 = A[2+bs*2];
a_3 = A[3+bs*2];
c_0 = a_0 * b_2;
c_1 = a_1 * b_2;
c_2 = a_2 * b_2;
c_3 = a_3 * b_2;
D[0+bs*2] = c_0;
D[1+bs*2] = c_1;
D[2+bs*2] = c_2;
D[3+bs*2] = c_3;
a_0 = A[0+bs*3];
a_1 = A[1+bs*3];
a_2 = A[2+bs*3];
a_3 = A[3+bs*3];
c_0 = a_0 * b_3;
c_1 = a_1 * b_3;
c_2 = a_2 * b_3;
c_3 = a_3 * b_3;
D[0+bs*3] = c_0;
D[1+bs*3] = c_1;
D[2+bs*3] = c_2;
D[3+bs*3] = c_3;
A += 4*sda;
D += 4*sdd;
}
for(; k<kmax; k++)
{
a_0 = A[0+bs*0];
c_0 = a_0 * b_0;
D[0+bs*0] = c_0;
a_0 = A[0+bs*1];
c_0 = a_0 * b_1;
D[0+bs*1] = c_0;
a_0 = A[0+bs*2];
c_0 = a_0 * b_2;
D[0+bs*2] = c_0;
a_0 = A[0+bs*3];
c_0 = a_0 * b_3;
D[0+bs*3] = c_0;
A += 1;
D += 1;
}
}
#endif
// B is the diagonal of a matrix
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_right_4_lib4(int kmax, double *alpha, double *A, int sda, double *B, double *beta, double *C, int sdc, double *D, int sdd)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0, beta0,
a_0, a_1, a_2, a_3,
b_0, b_1, b_2, b_3,
c_0, c_1, c_2, c_3;
alpha0 = alpha[0];
beta0 = beta[0];
b_0 = alpha0 * B[0];
b_1 = alpha0 * B[1];
b_2 = alpha0 * B[2];
b_3 = alpha0 * B[3];
for(k=0; k<kmax-3; k+=4)
{
a_0 = A[0+bs*0];
a_1 = A[1+bs*0];
a_2 = A[2+bs*0];
a_3 = A[3+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_0;
c_2 = beta0 * C[2+bs*0] + a_2 * b_0;
c_3 = beta0 * C[3+bs*0] + a_3 * b_0;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
a_0 = A[0+bs*1];
a_1 = A[1+bs*1];
a_2 = A[2+bs*1];
a_3 = A[3+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_1;
c_1 = beta0 * C[1+bs*1] + a_1 * b_1;
c_2 = beta0 * C[2+bs*1] + a_2 * b_1;
c_3 = beta0 * C[3+bs*1] + a_3 * b_1;
D[0+bs*1] = c_0;
D[1+bs*1] = c_1;
D[2+bs*1] = c_2;
D[3+bs*1] = c_3;
a_0 = A[0+bs*2];
a_1 = A[1+bs*2];
a_2 = A[2+bs*2];
a_3 = A[3+bs*2];
c_0 = beta0 * C[0+bs*2] + a_0 * b_2;
c_1 = beta0 * C[1+bs*2] + a_1 * b_2;
c_2 = beta0 * C[2+bs*2] + a_2 * b_2;
c_3 = beta0 * C[3+bs*2] + a_3 * b_2;
D[0+bs*2] = c_0;
D[1+bs*2] = c_1;
D[2+bs*2] = c_2;
D[3+bs*2] = c_3;
a_0 = A[0+bs*3];
a_1 = A[1+bs*3];
a_2 = A[2+bs*3];
a_3 = A[3+bs*3];
c_0 = beta0 * C[0+bs*3] + a_0 * b_3;
c_1 = beta0 * C[1+bs*3] + a_1 * b_3;
c_2 = beta0 * C[2+bs*3] + a_2 * b_3;
c_3 = beta0 * C[3+bs*3] + a_3 * b_3;
D[0+bs*3] = c_0;
D[1+bs*3] = c_1;
D[2+bs*3] = c_2;
D[3+bs*3] = c_3;
A += 4*sda;
C += 4*sdc;
D += 4*sdd;
}
for(; k<kmax; k++)
{
a_0 = A[0+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
D[0+bs*0] = c_0;
a_0 = A[0+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_1;
D[0+bs*1] = c_0;
a_0 = A[0+bs*2];
c_0 = beta0 * C[0+bs*2] + a_0 * b_2;
D[0+bs*2] = c_0;
a_0 = A[0+bs*3];
c_0 = beta0 * C[0+bs*3] + a_0 * b_3;
D[0+bs*3] = c_0;
A += 1;
C += 1;
D += 1;
}
}
#endif
// B is the diagonal of a matrix
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_right_3_lib4(int kmax, double *alpha, double *A, int sda, double *B, double *beta, double *C, int sdc, double *D, int sdd)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0, beta0,
a_0, a_1, a_2, a_3,
b_0, b_1, b_2,
c_0, c_1, c_2, c_3;
alpha0 = alpha[0];
beta0 = beta[0];
b_0 = alpha0 * B[0];
b_1 = alpha0 * B[1];
b_2 = alpha0 * B[2];
for(k=0; k<kmax-3; k+=4)
{
a_0 = A[0+bs*0];
a_1 = A[1+bs*0];
a_2 = A[2+bs*0];
a_3 = A[3+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_0;
c_2 = beta0 * C[2+bs*0] + a_2 * b_0;
c_3 = beta0 * C[3+bs*0] + a_3 * b_0;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
a_0 = A[0+bs*1];
a_1 = A[1+bs*1];
a_2 = A[2+bs*1];
a_3 = A[3+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_1;
c_1 = beta0 * C[1+bs*1] + a_1 * b_1;
c_2 = beta0 * C[2+bs*1] + a_2 * b_1;
c_3 = beta0 * C[3+bs*1] + a_3 * b_1;
D[0+bs*1] = c_0;
D[1+bs*1] = c_1;
D[2+bs*1] = c_2;
D[3+bs*1] = c_3;
a_0 = A[0+bs*2];
a_1 = A[1+bs*2];
a_2 = A[2+bs*2];
a_3 = A[3+bs*2];
c_0 = beta0 * C[0+bs*2] + a_0 * b_2;
c_1 = beta0 * C[1+bs*2] + a_1 * b_2;
c_2 = beta0 * C[2+bs*2] + a_2 * b_2;
c_3 = beta0 * C[3+bs*2] + a_3 * b_2;
D[0+bs*2] = c_0;
D[1+bs*2] = c_1;
D[2+bs*2] = c_2;
D[3+bs*2] = c_3;
A += 4*sda;
C += 4*sdc;
D += 4*sdd;
}
for(; k<kmax; k++)
{
a_0 = A[0+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
D[0+bs*0] = c_0;
a_0 = A[0+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_1;
D[0+bs*1] = c_0;
a_0 = A[0+bs*2];
c_0 = beta0 * C[0+bs*2] + a_0 * b_2;
D[0+bs*2] = c_0;
A += 1;
C += 1;
D += 1;
}
}
#endif
// B is the diagonal of a matrix
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_right_2_lib4(int kmax, double *alpha, double *A, int sda, double *B, double *beta, double *C, int sdc, double *D, int sdd)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0, beta0,
a_0, a_1, a_2, a_3,
b_0, b_1,
c_0, c_1, c_2, c_3;
alpha0 = alpha[0];
beta0 = beta[0];
b_0 = alpha0 * B[0];
b_1 = alpha0 * B[1];
for(k=0; k<kmax-3; k+=4)
{
a_0 = A[0+bs*0];
a_1 = A[1+bs*0];
a_2 = A[2+bs*0];
a_3 = A[3+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_0;
c_2 = beta0 * C[2+bs*0] + a_2 * b_0;
c_3 = beta0 * C[3+bs*0] + a_3 * b_0;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
a_0 = A[0+bs*1];
a_1 = A[1+bs*1];
a_2 = A[2+bs*1];
a_3 = A[3+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_1;
c_1 = beta0 * C[1+bs*1] + a_1 * b_1;
c_2 = beta0 * C[2+bs*1] + a_2 * b_1;
c_3 = beta0 * C[3+bs*1] + a_3 * b_1;
D[0+bs*1] = c_0;
D[1+bs*1] = c_1;
D[2+bs*1] = c_2;
D[3+bs*1] = c_3;
A += 4*sda;
C += 4*sdc;
D += 4*sdd;
}
for(; k<kmax; k++)
{
a_0 = A[0+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
D[0+bs*0] = c_0;
a_0 = A[0+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_1;
D[0+bs*1] = c_0;
A += 1;
C += 1;
D += 1;
}
}
#endif
// B is the diagonal of a matrix
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_right_1_lib4(int kmax, double *alpha, double *A, int sda, double *B, double *beta, double *C, int sdc, double *D, int sdd)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0, beta0,
a_0, a_1, a_2, a_3,
b_0,
c_0, c_1, c_2, c_3;
alpha0 = alpha[0];
beta0 = beta[0];
b_0 = alpha0 * B[0];
for(k=0; k<kmax-3; k+=4)
{
a_0 = A[0+bs*0];
a_1 = A[1+bs*0];
a_2 = A[2+bs*0];
a_3 = A[3+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_0;
c_2 = beta0 * C[2+bs*0] + a_2 * b_0;
c_3 = beta0 * C[3+bs*0] + a_3 * b_0;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
A += 4*sda;
C += 4*sdc;
D += 4*sdd;
}
for(; k<kmax; k++)
{
a_0 = A[0+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
D[0+bs*0] = c_0;
A += 1;
C += 1;
D += 1;
}
}
#endif
// A is the diagonal of a matrix, case beta=0.0
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_left_4_a0_lib4(int kmax, double *alpha, double *A, double *B, double *D, int alg)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0,
a_0, a_1, a_2, a_3,
b_0, b_1, b_2, b_3,
c_0, c_1, c_2, c_3;
alpha0 = alpha[0];
a_0 = alpha0 * A[0];
a_1 = alpha0 * A[1];
a_2 = alpha0 * A[2];
a_3 = alpha0 * A[3];
for(k=0; k<kmax-3; k+=4)
{
b_0 = B[0+bs*0];
b_1 = B[1+bs*0];
b_2 = B[2+bs*0];
b_3 = B[3+bs*0];
c_0 = a_0 * b_0;
c_1 = a_1 * b_1;
c_2 = a_2 * b_2;
c_3 = a_3 * b_3;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
b_0 = B[0+bs*1];
b_1 = B[1+bs*1];
b_2 = B[2+bs*1];
b_3 = B[3+bs*1];
c_0 = a_0 * b_0;
c_1 = a_1 * b_1;
c_2 = a_2 * b_2;
c_3 = a_3 * b_3;
D[0+bs*1] = c_0;
D[1+bs*1] = c_1;
D[2+bs*1] = c_2;
D[3+bs*1] = c_3;
b_0 = B[0+bs*2];
b_1 = B[1+bs*2];
b_2 = B[2+bs*2];
b_3 = B[3+bs*2];
c_0 = a_0 * b_0;
c_1 = a_1 * b_1;
c_2 = a_2 * b_2;
c_3 = a_3 * b_3;
D[0+bs*2] = c_0;
D[1+bs*2] = c_1;
D[2+bs*2] = c_2;
D[3+bs*2] = c_3;
b_0 = B[0+bs*3];
b_1 = B[1+bs*3];
b_2 = B[2+bs*3];
b_3 = B[3+bs*3];
c_0 = a_0 * b_0;
c_1 = a_1 * b_1;
c_2 = a_2 * b_2;
c_3 = a_3 * b_3;
D[0+bs*3] = c_0;
D[1+bs*3] = c_1;
D[2+bs*3] = c_2;
D[3+bs*3] = c_3;
B += 16;
D += 16;
}
for(; k<kmax; k++)
{
b_0 = B[0+bs*0];
b_1 = B[1+bs*0];
b_2 = B[2+bs*0];
b_3 = B[3+bs*0];
c_0 = a_0 * b_0;
c_1 = a_1 * b_1;
c_2 = a_2 * b_2;
c_3 = a_3 * b_3;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
B += 4;
D += 4;
}
}
#endif
// A is the diagonal of a matrix
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_left_4_lib4(int kmax, double *alpha, double *A, double *B, double *beta, double *C, double *D, int alg)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0, beta0,
a_0, a_1, a_2, a_3,
b_0, b_1, b_2, b_3,
c_0, c_1, c_2, c_3;
alpha0 = alpha[0];
beta0 = beta[0];
a_0 = alpha0 * A[0];
a_1 = alpha0 * A[1];
a_2 = alpha0 * A[2];
a_3 = alpha0 * A[3];
for(k=0; k<kmax-3; k+=4)
{
b_0 = B[0+bs*0];
b_1 = B[1+bs*0];
b_2 = B[2+bs*0];
b_3 = B[3+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_1;
c_2 = beta0 * C[2+bs*0] + a_2 * b_2;
c_3 = beta0 * C[3+bs*0] + a_3 * b_3;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
b_0 = B[0+bs*1];
b_1 = B[1+bs*1];
b_2 = B[2+bs*1];
b_3 = B[3+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_0;
c_1 = beta0 * C[1+bs*1] + a_1 * b_1;
c_2 = beta0 * C[2+bs*1] + a_2 * b_2;
c_3 = beta0 * C[3+bs*1] + a_3 * b_3;
D[0+bs*1] = c_0;
D[1+bs*1] = c_1;
D[2+bs*1] = c_2;
D[3+bs*1] = c_3;
b_0 = B[0+bs*2];
b_1 = B[1+bs*2];
b_2 = B[2+bs*2];
b_3 = B[3+bs*2];
c_0 = beta0 * C[0+bs*2] + a_0 * b_0;
c_1 = beta0 * C[1+bs*2] + a_1 * b_1;
c_2 = beta0 * C[2+bs*2] + a_2 * b_2;
c_3 = beta0 * C[3+bs*2] + a_3 * b_3;
D[0+bs*2] = c_0;
D[1+bs*2] = c_1;
D[2+bs*2] = c_2;
D[3+bs*2] = c_3;
b_0 = B[0+bs*3];
b_1 = B[1+bs*3];
b_2 = B[2+bs*3];
b_3 = B[3+bs*3];
c_0 = beta0 * C[0+bs*3] + a_0 * b_0;
c_1 = beta0 * C[1+bs*3] + a_1 * b_1;
c_2 = beta0 * C[2+bs*3] + a_2 * b_2;
c_3 = beta0 * C[3+bs*3] + a_3 * b_3;
D[0+bs*3] = c_0;
D[1+bs*3] = c_1;
D[2+bs*3] = c_2;
D[3+bs*3] = c_3;
B += 16;
C += 16;
D += 16;
}
for(; k<kmax; k++)
{
b_0 = B[0+bs*0];
b_1 = B[1+bs*0];
b_2 = B[2+bs*0];
b_3 = B[3+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_1;
c_2 = beta0 * C[2+bs*0] + a_2 * b_2;
c_3 = beta0 * C[3+bs*0] + a_3 * b_3;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
D[3+bs*0] = c_3;
B += 4;
C += 4;
D += 4;
}
}
#endif
// A is the diagonal of a matrix
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_left_3_lib4(int kmax, double *alpha, double *A, double *B, double *beta, double *C, double *D)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0, beta0,
a_0, a_1, a_2,
b_0, b_1, b_2,
c_0, c_1, c_2;
alpha0 = alpha[0];
beta0 = beta[0];
a_0 = alpha0 * A[0];
a_1 = alpha0 * A[1];
a_2 = alpha0 * A[2];
for(k=0; k<kmax-3; k+=4)
{
b_0 = B[0+bs*0];
b_1 = B[1+bs*0];
b_2 = B[2+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_1;
c_2 = beta0 * C[2+bs*0] + a_2 * b_2;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
b_0 = B[0+bs*1];
b_1 = B[1+bs*1];
b_2 = B[2+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_0;
c_1 = beta0 * C[1+bs*1] + a_1 * b_1;
c_2 = beta0 * C[2+bs*1] + a_2 * b_2;
D[0+bs*1] = c_0;
D[1+bs*1] = c_1;
D[2+bs*1] = c_2;
b_0 = B[0+bs*2];
b_1 = B[1+bs*2];
b_2 = B[2+bs*2];
c_0 = beta0 * C[0+bs*2] + a_0 * b_0;
c_1 = beta0 * C[1+bs*2] + a_1 * b_1;
c_2 = beta0 * C[2+bs*2] + a_2 * b_2;
D[0+bs*2] = c_0;
D[1+bs*2] = c_1;
D[2+bs*2] = c_2;
b_0 = B[0+bs*3];
b_1 = B[1+bs*3];
b_2 = B[2+bs*3];
c_0 = beta0 * C[0+bs*3] + a_0 * b_0;
c_1 = beta0 * C[1+bs*3] + a_1 * b_1;
c_2 = beta0 * C[2+bs*3] + a_2 * b_2;
D[0+bs*3] = c_0;
D[1+bs*3] = c_1;
D[2+bs*3] = c_2;
B += 16;
C += 16;
D += 16;
}
for(; k<kmax; k++)
{
b_0 = B[0+bs*0];
b_1 = B[1+bs*0];
b_2 = B[2+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_1;
c_2 = beta0 * C[2+bs*0] + a_2 * b_2;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
D[2+bs*0] = c_2;
B += 4;
C += 4;
D += 4;
}
}
#endif
// A is the diagonal of a matrix
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_left_2_lib4(int kmax, double *alpha, double *A, double *B, double *beta, double *C, double *D)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0, beta0,
a_0, a_1,
b_0, b_1,
c_0, c_1;
alpha0 = alpha[0];
beta0 = beta[0];
a_0 = alpha0 * A[0];
a_1 = alpha0 * A[1];
for(k=0; k<kmax-3; k+=4)
{
b_0 = B[0+bs*0];
b_1 = B[1+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_1;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
b_0 = B[0+bs*1];
b_1 = B[1+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_0;
c_1 = beta0 * C[1+bs*1] + a_1 * b_1;
D[0+bs*1] = c_0;
D[1+bs*1] = c_1;
b_0 = B[0+bs*2];
b_1 = B[1+bs*2];
c_0 = beta0 * C[0+bs*2] + a_0 * b_0;
c_1 = beta0 * C[1+bs*2] + a_1 * b_1;
D[0+bs*2] = c_0;
D[1+bs*2] = c_1;
b_0 = B[0+bs*3];
b_1 = B[1+bs*3];
c_0 = beta0 * C[0+bs*3] + a_0 * b_0;
c_1 = beta0 * C[1+bs*3] + a_1 * b_1;
D[0+bs*3] = c_0;
D[1+bs*3] = c_1;
B += 16;
C += 16;
D += 16;
}
for(; k<kmax; k++)
{
b_0 = B[0+bs*0];
b_1 = B[1+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
c_1 = beta0 * C[1+bs*0] + a_1 * b_1;
D[0+bs*0] = c_0;
D[1+bs*0] = c_1;
B += 4;
C += 4;
D += 4;
}
}
#endif
// A is the diagonal of a matrix
#if defined(TARGET_GENERIC) || defined(TARGET_X64_INTEL_HASWELL) || defined(TARGET_X64_INTEL_SANDY_BRIDGE) || defined(TARGET_X64_INTEL_CORE) || defined(TARGET_X64_AMD_BULLDOZER) || defined(TARGET_ARMV7A_ARM_CORTEX_A15) || defined(TARGET_ARMV8A_ARM_CORTEX_A57)
void kernel_dgemm_diag_left_1_lib4(int kmax, double *alpha, double *A, double *B, double *beta, double *C, double *D)
{
if(kmax<=0)
return;
const int bs = 4;
int k;
double
alpha0, beta0,
a_0,
b_0,
c_0;
alpha0 = alpha[0];
beta0 = beta[0];
a_0 = alpha0 * A[0];
for(k=0; k<kmax-3; k+=4)
{
b_0 = B[0+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
D[0+bs*0] = c_0;
b_0 = B[0+bs*1];
c_0 = beta0 * C[0+bs*1] + a_0 * b_0;
D[0+bs*1] = c_0;
b_0 = B[0+bs*2];
c_0 = beta0 * C[0+bs*2] + a_0 * b_0;
D[0+bs*2] = c_0;
b_0 = B[0+bs*3];
c_0 = beta0 * C[0+bs*3] + a_0 * b_0;
D[0+bs*3] = c_0;
B += 16;
C += 16;
D += 16;
}
for(; k<kmax; k++)
{
b_0 = B[0+bs*0];
c_0 = beta0 * C[0+bs*0] + a_0 * b_0;
D[0+bs*0] = c_0;
B += 4;
C += 4;
D += 4;
}
}
#endif
|
the_stack_data/103271.c | unsigned int add(unsigned int left, unsigned int right) {
return left + right;
}
|
the_stack_data/124537.c | /*
* This software is Copyright (c) 2012 Lukas Odzioba <lukas dot odzioba at gmail dot com>
* and Copyright (c) 2013-2014 magnum
* and it is hereby released to the general public under the following terms:
* Redistribution and use in source and binary forms, with or without modification, are permitted.
*/
#ifdef HAVE_CUDA
#if FMT_EXTERNS_H
extern struct fmt_main fmt_cuda_wpapsk;
#elif FMT_REGISTERS_H
john_register_one(&fmt_cuda_wpapsk);
#else
#include <string.h>
#include <assert.h>
#include "arch.h"
#include "formats.h"
#include "common.h"
#include "misc.h"
#include "cuda_wpapsk.h"
#include "cuda_common.h"
#include "memdbg.h"
#define FORMAT_LABEL "wpapsk-cuda"
#define FORMAT_NAME "WPA/WPA2 PSK"
#define ALGORITHM_NAME "PBKDF2-SHA1 CUDA"
#define BENCHMARK_COMMENT ""
#define BENCHMARK_LENGTH -1
///#define WPAPSK_DEBUG
extern wpapsk_password *inbuffer;
extern wpapsk_hash *outbuffer;
extern wpapsk_salt currentsalt;
extern hccap_t hccap;
extern mic_t *mic;
extern void wpapsk_gpu(wpapsk_password *, wpapsk_hash *, wpapsk_salt *, int);
extern void *get_salt(char *ciphertext);
static void done(void)
{
MEM_FREE(inbuffer);
MEM_FREE(outbuffer);
MEM_FREE(mic);
}
static void init(struct fmt_main *self)
{
///Allocate memory for hashes and passwords
inbuffer =
(wpapsk_password *) mem_calloc(MAX_KEYS_PER_CRYPT,
sizeof(wpapsk_password));
outbuffer =
(wpapsk_hash *) mem_alloc(MAX_KEYS_PER_CRYPT * sizeof(wpapsk_hash));
check_mem_allocation(inbuffer, outbuffer);
mic = (mic_t *) mem_alloc(MAX_KEYS_PER_CRYPT * sizeof(mic_t));
///Initialize CUDA
cuda_init();
}
static int crypt_all(int *pcount, struct db_salt *salt)
{
const int count = *pcount;
if (new_keys || strcmp(last_ssid, hccap.essid)) {
wpapsk_gpu(inbuffer, outbuffer, ¤tsalt, count);
new_keys = 0;
strcpy(last_ssid, hccap.essid);
}
wpapsk_postprocess(count);
return count;
}
struct fmt_main fmt_cuda_wpapsk = {
{
FORMAT_LABEL,
FORMAT_NAME,
ALGORITHM_NAME,
BENCHMARK_COMMENT,
BENCHMARK_LENGTH,
8,
PLAINTEXT_LENGTH,
BINARY_SIZE,
BINARY_ALIGN,
SALT_SIZE,
SALT_ALIGN,
MIN_KEYS_PER_CRYPT,
MAX_KEYS_PER_CRYPT,
FMT_CASE | FMT_OMP,
{ NULL },
{ FORMAT_TAG },
tests
}, {
init,
done,
fmt_default_reset,
fmt_default_prepare,
valid,
fmt_default_split,
get_binary,
get_salt,
{ NULL },
fmt_default_source,
{
binary_hash_0,
fmt_default_binary_hash_1,
fmt_default_binary_hash_2,
fmt_default_binary_hash_3,
fmt_default_binary_hash_4,
fmt_default_binary_hash_5,
fmt_default_binary_hash_6
},
fmt_default_salt_hash,
salt_compare,
set_salt,
set_key,
get_key,
clear_keys,
crypt_all,
{
get_hash_0,
get_hash_1,
get_hash_2,
get_hash_3,
get_hash_4,
get_hash_5,
get_hash_6
},
cmp_all,
cmp_one,
cmp_exact
}
};
#endif /* plugin stanza */
#endif /* HAVE_CUDA */
|
the_stack_data/51701183.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#include <unistd.h>
#include <ctype.h>
#define pause system("pause")
#define cls system("cls")
#define s sleep(1)
int login(); void cadastro(); void pizzas(); void drinks(); void pizzers(); void feedback(); void logo();
int loged = 0; //loged = 0 -> variavel que indica para o compilador se o usuario esta logado e em qual nivel (0 -> off, 1 -> admin, 2 -> basico)
int main(){ //funcao principal
setlocale(LC_ALL, "PORTUGUESE");
system("COLOR F");
int choice;
if (loged == 0){ //Caso o usuario esteja off (loged = 0), chama a funcao login(), que retorna 1 ou 2 dependendo do nivel de acesso do usuario
loged = login();
}
if (loged == 1){
logo();
printf("\t Bem vindo ADMIN, o que deseja fazer?\n\n\t 1 - Gerenciar usu�rios\n\t 2 - Financeiro\n\t 3 - Sair");
printf("\n\n\t Digite 0 para voltar: ");
fflush(stdin); scanf("%d", &choice);
switch(choice){
case 0:
loged = 0;
main();
break;
case 1:
cadastro();
break;
case 2:
cls;
printf("EM DESENVOLVIMENTO\n");
break;
case 3:
cls; printf("\n\t Obrigado por escolher a \x1b[33mJETA\x1b[0ms, volte sempre!! \n\n"); s; logo(1); sleep(3); exit(0);
default:
printf("\n\t POR FAVOR, ESCOLHA UMA DAS OP��ES ACIMA!\n\n");
pause; main();
}
}
if (loged == 2){
logo();
printf("\t Bem vindo! O que deseja fazer?\n\n");
printf("\t 1 - Cadastrar Pizzas\n\t 2 - Cadastrar Bebidas\n\t 3 - Cadastrar Pizzaiolos\n\t 4 - Reclama��es/Elogios\n\t 5 - Informa��es do Sistema\n\t 6 - Sair");
printf("\n\n\t Digite 0 para voltar: ");
fflush(stdin); scanf("%d", &choice);
switch(choice){
case 0:
loged = 0;
main();
break;
case 1:
pizzas();
break;
case 2:
drinks();
break;
case 3:
pizzers();
break;
case 4:
feedback();
break;
case 5: //pequena animacao baseada em temporizador (s)
cls; s; printf("\n\tSistema UNIPESTANA.\n\t"); s; printf("version.: 2.0.3\n\n\t"); s; printf("Cr�ditos:\n\t"); s; printf("- \x1b[31mJ\x1b[0muan Pablo\n\t");
s; printf("- \x1b[31mE\x1b[0mduardo Franco\n\t"); s; printf("- \x1b[31mT\x1b[0males Carneiro\n\t"); s; printf("- \x1b[31mA\x1b[0mndr� Fermino\n\n\t"); s; printf("\x1b[31mJETA\x1b[0ms");
s; printf(" Software,"); s; printf(" all rights reserved."); s; printf(" SANTOS - 2019\n\t"); s; printf("Obrigado por escolher o \x1b[31mJETA\x1b[0ms, volte sempre!! \n\n"); s; logo(1);
pause; main();
break;
case 6:
cls; printf("\n\t Obrigado por escolher a \x1b[33mJETA\x1b[0ms, volte sempre!! \n\n"); s; logo(1); sleep(3); exit(0);
default:
printf("\n\t POR FAVOR, ESCOLHA UMA DAS OP��ES ACIMA!\n\n");
pause; main();
}
return 0;
}
}
int login(){ //retorna 1 ou 2 dependendo do nivel de acesso do usario (caso usuario valido)
logo();
fflush(stdin);
char user[20], pass[20];
char *line = NULL;
size_t len = 0;
int check = 0;
printf("\t >>LOGIN<<");
printf("\n\n\t Digite seu usuario: ");
scanf(" %s", user);
printf("\t Digite sua senha: ");
scanf(" %s", pass);
if (strcmp(user, "admin") == 0 && strcmp(pass, "12345") == 0){ //checa se o input do usuario bate com usuario e senha predefinida, retorna 1 caso sim (nivel maximo de acesso)
return 1;
}
FILE*file = fopen("DATABASE//DATABASE.txt", "r");
while (getline(&line, &len, file) != -1){ //loop para checar o arquivo txt linha a linha
if (check == 1){ //caso chek = 1 (vide linha 160), checa a proxima linha que sera a senha
if (strlen(pass) == strlen(line)-1 && strncmp (line,pass,(strlen(line))-1) == 0){ //checa se a senha bate, retorna 2 caso sim (nivel basico de acesso)
return 2;
}
else{
printf("\n\t SENHA INV�LIDA. TENTE NOVAMENTE.\n\n");
pause; main();
}
}
if (strlen(user) == strlen(line)-1 && strncmp(line,user,(strlen(line)-1)) == 0){ //checa se o usuario esta presente em alguma linha do txt, se sim, atribui a variavel chek = 1 (a proxima linha do loop sera a senha)
check = 1;
}
}
fclose(file);
printf("\n\t USU�RIO INV�LIDO. TENTE NOVAMENTE.\n\n");
pause; main();
}
void cadastro(){ //cadastra os usuarios em um arquivo txt (user e senha)
logo();
int choice;
char user[20], pass[20], line [20];
FILE*file = fopen("DATABASE\\DATABASE.txt", "a+");
printf ("\t O que deseja fazer?\n\n\t 1 - Cadastrar usu�rio\n\t 2 - Visualizar lista de usuarios cadastrados\n\t 3 - Resetar lista de usu�rios (CUIDADO)");
printf("\n\n\t Digite 0 para voltar: ");
fflush(stdin); scanf("%d", &choice);
switch(choice){
case 0:
main();
break;
case 1:
cls; printf("\t >>CADASTRO DE USU�RIOS<<");
printf("\n\n\t Digite o login: ");
scanf("%s", user);
printf("\t Digite a senha: ");
scanf("%s", pass);
fprintf(file, "%s\n", user);
fprintf(file, "%s\n\n", pass);
printf("\n\t USU�RIO CADASTRADO COM SUCESSO!\n\n");
fclose(file);
pause; cadastro();
break;
case 2:
cls;
if (file != NULL){
fseek (file, 0, SEEK_END); //fseek: checa se o txt esta vazio
if (ftell(file) == 0){
printf("\n\t NENHUM USUARIO CADASTRADO!\n\n");
pause; cadastro();fflush(stdin);
}
fseek (file, 0, SEEK_SET);
printf("\n");
while (fgets(line, 20, file) != NULL)
printf("\t%s", line);
}
pause; cadastro();
break;
case 3:
cls;
fopen("DATABASE\\DATABASE.TXT", "w"); //reseta a lista ao abrir o arquivo em modo "w" (write)
fprintf(file, "%s\n\n", "//");
printf("\n\t LISTA DE USU�RIOS RESETADA COM SUCESSO!\n\n");
fclose(file);
pause; cadastro();
break;
default:
printf("\n\t POR FAVOR, ESCOLHA UMA DAS OP��ES ACIMA!\n\n");
pause; cadastro();
}
}
void pizzas(){ //cadastra pizzas
logo();
int choice;
char pizza[20], price[20], line[20];
printf ("\t O que deseja fazer?\n\n\t 1 - Cadastrar pizza\n\t 2 - Visualizar Card�pio de pizzas\n\t 3 - Resetar Card�pio (CUIDADO)");
printf("\n\n\t Digite 0 para voltar: ");
fflush(stdin); scanf("%d", &choice);
FILE*file = fopen("DATABASE\\PIZZA.txt", "a+");
switch(choice){
case 0:
main();
break;
case 1:
cls; printf("\n\t >>CADASTRO DE PIZZA<<");
printf("\n\n\t Digite o nome da pizza: ");
scanf("%s", pizza);
printf("\t Digite o pre�o da pizza: R$");
scanf("%s", price);
fprintf(file, "%s\n", pizza);
fprintf(file, "%s\n\n", price);
printf("\n\t PIZZA CADASTRADA COM SUCESSO!\n\n");
fclose(file);
pause; pizzas();
break;
case 2:
cls;
if (file != NULL){
fseek (file, 0, SEEK_END); //fseek: checa se o txt esta vazio
if (ftell(file) == 0){
printf("\n\t NENHUMA PIZZA CADASTRADA!\n\n");
pause; pizzas();
}
fseek (file, 0, SEEK_SET);
printf("\n");
while (fgets(line, 20, file) != NULL)
printf("\t%s", line);
}
pause; pizzas();
break;
case 3:
cls;
fopen("DATABASE\\PIZZA.TXT", "w"); //reseta a lista ao abrir o arquivo em modo "w" (write)
printf("\n\t LISTA DE PIZZAS RESETADA COM SUCESSO!\n\n");
fclose(file);
pause; pizzas();
break;
default:
printf("\n\t POR FAVOR, ESCOLHA UMA DAS OP��ES ACIMA!\n\n");
pause; pizzas();
}
}
void drinks(){ //cadastra bebidas
logo();
int choice;
char drink[20], price[20], line[20];
printf ("\t O que deseja fazer?\n\n\t 1 - Cadastrar bebida\n\t 2 - Visualizar Card�pio de bebidas\n\t 3 - Resetar Card�pio (CUIDADO)");
printf("\n\n\t Digite 0 para voltar: ");
fflush(stdin); scanf("%d", &choice);
FILE*file = fopen("DATABASE\\DRINK.txt", "a+");
switch(choice){
case 0:
main();
break;
case 1:
cls; printf("\n\t >>CADASTRO DE BEBIDA<<");
printf("\n\n\t Digite o nome da bebida: ");
scanf("%s", drink);
printf("\t Digite o pre�o da bebida: R$");
scanf("%s", price);
fprintf(file, "%s\n", drink);
fprintf(file, "%s\n\n", price);
printf("\n\t BEBIDA CADASTRADA COM SUCESSO!\n\n");
pause; drinks();
break;
case 2:
cls;
if (file != NULL){
fseek (file, 0, SEEK_END); //fseek: checa se o txt esta vazio
if (ftell(file) == 0){
printf("\n\t NENHUMA BEBIDA CADASTRADA!\n\n");
pause; drinks();
}
fseek (file, 0, SEEK_SET);
printf("\n");
while (fgets(line, 20, file) != NULL)
printf("\t %s", line);
}
pause; drinks();
break;
case 3:
cls;
fopen("DATABASE\\DRINK.TXT", "w"); //reseta a lista ao abrir o arquivo em modo "w" (write)
printf("\n\t LISTA DE BEBIDAS RESETADA COM SUCESSO!\n\n");
fclose(file);
pause; drinks();
break;
default:
printf("\n\t POR FAVOR, ESCOLHA UMA DAS OP��ES ACIMA!\n\n");
pause; drinks();
}
}
void pizzers(){ //cadastra pizzaiolos
logo();
int choice;
char pizzer[20], text[200], line[20];
printf ("\t O que deseja fazer?\n\n\t 1 - Cadastrar novo Pizzaiolo\n\t 2 - Visualizar Pizzaiolos\n\t 3 - Resetar lista de pizzaiolos (CUIDADO)");
printf("\n\n\t Digite 0 para voltar: ");
fflush(stdin); scanf("%d", &choice);
FILE*file = fopen("DATABASE\\PIZZER.txt", "a+");
switch(choice){
case 0:
main();
break;
case 1:
cls; printf("\n\t >>CADASTRO DE PIZZAIOLO<<");
printf("\n\n\t Digite o nome do pizzaiolo: ");
scanf("%s", pizzer);
printf("\t Informa��es adicionais: ");
scanf("%s", text);
fprintf(file, "Pizzaiolo: %s\n", pizzer);
fprintf(file, "obs: %s\n\n", text);
printf("\n\t PIZZAIOLO CADASTRADO COM SUCESSO!\n\n");
fclose(file);
pause; pizzers();
break;
case 2:
cls;
if (file != NULL){
fseek (file, 0, SEEK_END); //fseek: checa se o txt esta vazio
if (ftell(file) == 0){
printf("\t NENHUMM PIZZAIOLO CADASTRADO!\n\n");
pause; pizzers();
}
fseek (file, 0, SEEK_SET);
printf("\n");
while (fgets(line, 20, file) != NULL)
printf("\n\t %s", line);
}
pause; pizzers();
break;
case 3:
cls;
fopen("DATABASE\\PIZZER.TXT", "w"); //reseta a lista ao abrir o arquivo em modo "w" (write)
printf("\n\t LISTA DE PIZZAIOLOS RESETADA COM SUCESSO!\n\n");
fclose(file);
pause; pizzers();
break;
case 4:
main();
break;
default:
printf("\n\t POR FAVOR, ESCOLHA UMA DAS OP��ES ACIMA!\n\n");
pause; pizzers();
}
}
void feedback(){ //cadastra sugestoes/reclamacoes
logo();
char text[200];
FILE*file = fopen("DATABASE\\FEEDBACK.txt", "a+");
cls; printf("\t Reclama��o/sugest�o:\n\n");
scanf("\t%s", text);
fprintf(file, "%s\n", text);
printf("\n\t RECLAMA��O/SUGEST�O REGISTRADA COM SUCESSO.\n\n");
fclose(file);
pause; main();
}
void logo(int x){ //mostra o logo personalizado
if (x != 1){cls;}
char line[100];
FILE*file = fopen("DATABASE//DRAW1.txt", "r");
if (file != NULL){
while (fgets(line, 100, file) != NULL)
printf("\x1b[31m \t\t%s \x1b[0m", line);
}
char line2[100];
FILE*file2 = fopen("DATABASE//DRAW2.txt", "r");
if (file2 != NULL){
while (fgets(line2, 100, file2) != NULL)
printf("\x1b[33m \t\t%s \x1b[0m", line2);
}
printf("\n -------- UNIPESTANA, copyright: \x1b[33mJETA\x1b[0ms Software Solutions! UNIDADE 1, SANTOS RANGEL --------\n\n\n");
}
|
the_stack_data/37639057.c | #include <stdio.h>
int do_sum(int n)
{
int i, sum;
sum = 0;
for(i=0;i<n;++i) {
sum += i;
}
return sum;
}
int main(int argc, char *argv[])
{
int sum;
sum = do_sum(1000);
printf("Total sum is: %d\n", sum);
return 0;
}
|
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