file
stringlengths 18
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| data
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1.04M
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|---|---|
the_stack_data/584975.c | /*
* @@name: get_nthrs.2c
* @@type: C
* @@compilable: yes
* @@linkable: no
* @@expect: success
*/
#include <omp.h>
void work(int i);
void correct()
{
int i;
#pragma omp parallel private(i)
{
i = omp_get_thread_num();
work(i);
}
}
|
the_stack_data/84764.c | /*
read gamepad
(C) 2018 TANIGUCHI, Kazushige
*/
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <signal.h>
#include <sys/epoll.h>
#include <sys/signalfd.h>
#include <getopt.h>
#include <linux/joystick.h>
#define BULK_OF(x) (sizeof(x)/sizeof(x[0]))
#define JOYSTICK_PATH "/dev/input/js0"
static const struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{NULL, 0, NULL, 0 }
};
int main(int argc, char **argv){
int ret;
sigset_t sigmask;
int epollfd = -1, sigfd = -1, jsfd = -1;
struct epoll_event evs[3];
bool bCnt = true;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
sigaddset(&sigmask, SIGTERM);
ret = sigprocmask(SIG_BLOCK, &sigmask, NULL);
if(ret != 0){
fprintf(stderr, "failed to signal mask %s(%d)\n", strerror(errno), errno);
ret = 1;
goto error_exit;
}
sigfd = signalfd(-1, &sigmask, 0);
if(sigfd == -1){
fprintf(stderr, "failed to create signal fd %s(%d)\n", strerror(errno), errno);
ret = 1;
goto error_exit;
}
jsfd = open(JOYSTICK_PATH, O_RDONLY);
if(jsfd == -1){
fprintf(stderr, "failed to open joystick fd %s(%d)\n", strerror(errno), errno);
ret = 1;
goto error_exit;
}
epollfd = epoll_create1(0);
if(epollfd == -1){
fprintf(stderr, "failed to create epoll fd %s(%d)\n", strerror(errno), errno);
ret = 1;
goto error_exit;
}
evs[0].events = EPOLLIN;
evs[0].data.fd = sigfd;
ret = epoll_ctl(epollfd, EPOLL_CTL_ADD, sigfd, &evs[0]);
if(ret == -1) {
fprintf(stderr, "failed to add sigfd to epoll fd %s(%d)\n", strerror(errno), errno);
ret = 1;
goto error_exit;
}
evs[0].events = EPOLLIN;
evs[0].data.fd = jsfd;
ret = epoll_ctl(epollfd, EPOLL_CTL_ADD, jsfd, &evs[0]);
if(ret == -1) {
fprintf(stderr, "failed to add jsfd to epoll fd %s(%d)\n", strerror(errno), errno);
ret = 1;
goto error_exit;
}
while(bCnt){
size_t i;
ret = epoll_wait(epollfd, &evs[0], BULK_OF(evs), -1);
if(ret == -1){
fprintf(stderr, "failed to wait epoll fd %s(%d)\n", strerror(errno), errno);
ret = 1;
goto error_exit;
}
for(i=0;i<(size_t)ret;i++){
if(evs[i].data.fd == sigfd){
ssize_t readsize;
struct signalfd_siginfo siginfo = { 0 };
readsize = read(sigfd, &siginfo, sizeof(siginfo));
if(readsize > 0){
switch(siginfo.ssi_signo){
case SIGINT:
case SIGTERM:
fprintf(stderr, "recv TERM or INT signal\n");
bCnt = 0;
break;
default:
break;
}
}
}
else if(evs[i].data.fd == jsfd){
struct js_event jsevent;
ret = read(jsfd, &jsevent, sizeof(jsevent));
if(ret == -1){
fprintf(stderr, "failed to read jpystick %s(%d)\n", strerror(errno), errno);
ret = 1;
goto error_exit;
}
switch(jsevent.type){
case JS_EVENT_BUTTON:
printf("button %u: %d\n", jsevent.number, jsevent.value);
break;
case JS_EVENT_AXIS:
printf("axis %u: %d\n", jsevent.number, jsevent.value);
break;
default:
break;
}
}
}
}
ret = 0;
error_exit:
if(jsfd != -1){
close(jsfd);
}
if(sigfd != -1){
close(sigfd);
}
if(epollfd != -1){
close(epollfd);
}
return ret;
}
|
the_stack_data/51699396.c | // kernel BUG at arch/x86/mm/physaddr.c:LINE!
// https://syzkaller.appspot.com/bug?id=6e0203f3408f493fa9e6a286abdfddcb9871842d
// status:open
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>
unsigned long long procid;
static __thread int skip_segv;
static __thread jmp_buf segv_env;
static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
uintptr_t addr = (uintptr_t)info->si_addr;
const uintptr_t prog_start = 1 << 20;
const uintptr_t prog_end = 100 << 20;
if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
(addr < prog_start || addr > prog_end)) {
_longjmp(segv_env, 1);
}
exit(sig);
}
static void install_segv_handler(void)
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = segv_handler;
sa.sa_flags = SA_NODEFER | SA_SIGINFO;
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
}
#define NONFAILING(...) \
{ \
__atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \
if (_setjmp(segv_env) == 0) { \
__VA_ARGS__; \
} \
__atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \
}
static void sleep_ms(uint64_t ms)
{
usleep(ms * 1000);
}
static uint64_t current_time_ms(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
exit(1);
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void use_temporary_dir(void)
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
exit(1);
if (chmod(tmpdir, 0777))
exit(1);
if (chdir(tmpdir))
exit(1);
}
static void thread_start(void* (*fn)(void*), void* arg)
{
pthread_t th;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
int i;
for (i = 0; i < 100; i++) {
if (pthread_create(&th, &attr, fn, arg) == 0) {
pthread_attr_destroy(&attr);
return;
}
if (errno == EAGAIN) {
usleep(50);
continue;
}
break;
}
exit(1);
}
typedef struct {
int state;
} event_t;
static void event_init(event_t* ev)
{
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
if (ev->state)
exit(1);
__atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG);
}
static void event_wait(event_t* ev)
{
while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}
static int event_isset(event_t* ev)
{
return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}
static int event_timedwait(event_t* ev, uint64_t timeout)
{
uint64_t start = current_time_ms();
uint64_t now = start;
for (;;) {
uint64_t remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED))
return 1;
now = current_time_ms();
if (now - start > timeout)
return 0;
}
}
static bool write_file(const char* file, const char* what, ...)
{
char buf[1024];
va_list args;
va_start(args, what);
vsnprintf(buf, sizeof(buf), what, args);
va_end(args);
buf[sizeof(buf) - 1] = 0;
int len = strlen(buf);
int fd = open(file, O_WRONLY | O_CLOEXEC);
if (fd == -1)
return false;
if (write(fd, buf, len) != len) {
int err = errno;
close(fd);
errno = err;
return false;
}
close(fd);
return true;
}
static struct {
char* pos;
int nesting;
struct nlattr* nested[8];
char buf[1024];
} nlmsg;
static void netlink_init(int typ, int flags, const void* data, int size)
{
memset(&nlmsg, 0, sizeof(nlmsg));
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg.buf;
hdr->nlmsg_type = typ;
hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
memcpy(hdr + 1, data, size);
nlmsg.pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}
static void netlink_attr(int typ, const void* data, int size)
{
struct nlattr* attr = (struct nlattr*)nlmsg.pos;
attr->nla_len = sizeof(*attr) + size;
attr->nla_type = typ;
memcpy(attr + 1, data, size);
nlmsg.pos += NLMSG_ALIGN(attr->nla_len);
}
static void netlink_nest(int typ)
{
struct nlattr* attr = (struct nlattr*)nlmsg.pos;
attr->nla_type = typ;
nlmsg.pos += sizeof(*attr);
nlmsg.nested[nlmsg.nesting++] = attr;
}
static void netlink_done(void)
{
struct nlattr* attr = nlmsg.nested[--nlmsg.nesting];
attr->nla_len = nlmsg.pos - (char*)attr;
}
static int netlink_send(int sock)
{
if (nlmsg.pos > nlmsg.buf + sizeof(nlmsg.buf) || nlmsg.nesting)
exit(1);
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg.buf;
hdr->nlmsg_len = nlmsg.pos - nlmsg.buf;
struct sockaddr_nl addr;
memset(&addr, 0, sizeof(addr));
addr.nl_family = AF_NETLINK;
unsigned n = sendto(sock, nlmsg.buf, hdr->nlmsg_len, 0,
(struct sockaddr*)&addr, sizeof(addr));
if (n != hdr->nlmsg_len)
exit(1);
n = recv(sock, nlmsg.buf, sizeof(nlmsg.buf), 0);
if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
exit(1);
if (hdr->nlmsg_type != NLMSG_ERROR)
exit(1);
return -((struct nlmsgerr*)(hdr + 1))->error;
}
static void netlink_add_device_impl(const char* type, const char* name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
netlink_init(RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr, sizeof(hdr));
if (name)
netlink_attr(IFLA_IFNAME, name, strlen(name));
netlink_nest(IFLA_LINKINFO);
netlink_attr(IFLA_INFO_KIND, type, strlen(type));
}
static void netlink_add_device(int sock, const char* type, const char* name)
{
netlink_add_device_impl(type, name);
netlink_done();
int err = netlink_send(sock);
(void)err;
}
static void netlink_add_veth(int sock, const char* name, const char* peer)
{
netlink_add_device_impl("veth", name);
netlink_nest(IFLA_INFO_DATA);
netlink_nest(VETH_INFO_PEER);
nlmsg.pos += sizeof(struct ifinfomsg);
netlink_attr(IFLA_IFNAME, peer, strlen(peer));
netlink_done();
netlink_done();
netlink_done();
int err = netlink_send(sock);
(void)err;
}
static void netlink_add_hsr(int sock, const char* name, const char* slave1,
const char* slave2)
{
netlink_add_device_impl("hsr", name);
netlink_nest(IFLA_INFO_DATA);
int ifindex1 = if_nametoindex(slave1);
netlink_attr(IFLA_HSR_SLAVE1, &ifindex1, sizeof(ifindex1));
int ifindex2 = if_nametoindex(slave2);
netlink_attr(IFLA_HSR_SLAVE2, &ifindex2, sizeof(ifindex2));
netlink_done();
netlink_done();
int err = netlink_send(sock);
(void)err;
}
static void netlink_device_change(int sock, const char* name, bool up,
const char* master, const void* mac,
int macsize)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
if (up)
hdr.ifi_flags = hdr.ifi_change = IFF_UP;
netlink_init(RTM_NEWLINK, 0, &hdr, sizeof(hdr));
netlink_attr(IFLA_IFNAME, name, strlen(name));
if (master) {
int ifindex = if_nametoindex(master);
netlink_attr(IFLA_MASTER, &ifindex, sizeof(ifindex));
}
if (macsize)
netlink_attr(IFLA_ADDRESS, mac, macsize);
int err = netlink_send(sock);
(void)err;
}
static int netlink_add_addr(int sock, const char* dev, const void* addr,
int addrsize)
{
struct ifaddrmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
hdr.ifa_scope = RT_SCOPE_UNIVERSE;
hdr.ifa_index = if_nametoindex(dev);
netlink_init(RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr, sizeof(hdr));
netlink_attr(IFA_LOCAL, addr, addrsize);
netlink_attr(IFA_ADDRESS, addr, addrsize);
return netlink_send(sock);
}
static void netlink_add_addr4(int sock, const char* dev, const char* addr)
{
struct in_addr in_addr;
inet_pton(AF_INET, addr, &in_addr);
int err = netlink_add_addr(sock, dev, &in_addr, sizeof(in_addr));
(void)err;
}
static void netlink_add_addr6(int sock, const char* dev, const char* addr)
{
struct in6_addr in6_addr;
inet_pton(AF_INET6, addr, &in6_addr);
int err = netlink_add_addr(sock, dev, &in6_addr, sizeof(in6_addr));
(void)err;
}
static void netlink_add_neigh(int sock, const char* name, const void* addr,
int addrsize, const void* mac, int macsize)
{
struct ndmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ndm_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ndm_ifindex = if_nametoindex(name);
hdr.ndm_state = NUD_PERMANENT;
netlink_init(RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr, sizeof(hdr));
netlink_attr(NDA_DST, addr, addrsize);
netlink_attr(NDA_LLADDR, mac, macsize);
int err = netlink_send(sock);
(void)err;
}
static int tunfd = -1;
static int tun_frags_enabled;
#define SYZ_TUN_MAX_PACKET_SIZE 1000
#define TUN_IFACE "syz_tun"
#define LOCAL_MAC 0xaaaaaaaaaaaa
#define REMOTE_MAC 0xaaaaaaaaaabb
#define LOCAL_IPV4 "172.20.20.170"
#define REMOTE_IPV4 "172.20.20.187"
#define LOCAL_IPV6 "fe80::aa"
#define REMOTE_IPV6 "fe80::bb"
#define IFF_NAPI 0x0010
#define IFF_NAPI_FRAGS 0x0020
static void initialize_tun(void)
{
tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
if (tunfd == -1) {
printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
printf("otherwise fuzzing or reproducing might not work as intended\n");
return;
}
const int kTunFd = 240;
if (dup2(tunfd, kTunFd) < 0)
exit(1);
close(tunfd);
tunfd = kTunFd;
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ);
ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0)
exit(1);
}
if (ioctl(tunfd, TUNGETIFF, (void*)&ifr) < 0)
exit(1);
tun_frags_enabled = (ifr.ifr_flags & IFF_NAPI_FRAGS) != 0;
char sysctl[64];
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE);
write_file(sysctl, "0");
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/router_solicitations", TUN_IFACE);
write_file(sysctl, "0");
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
netlink_add_addr4(sock, TUN_IFACE, LOCAL_IPV4);
netlink_add_addr6(sock, TUN_IFACE, LOCAL_IPV6);
uint64_t macaddr = REMOTE_MAC;
struct in_addr in_addr;
inet_pton(AF_INET, REMOTE_IPV4, &in_addr);
netlink_add_neigh(sock, TUN_IFACE, &in_addr, sizeof(in_addr), &macaddr,
ETH_ALEN);
struct in6_addr in6_addr;
inet_pton(AF_INET6, REMOTE_IPV6, &in6_addr);
netlink_add_neigh(sock, TUN_IFACE, &in6_addr, sizeof(in6_addr), &macaddr,
ETH_ALEN);
macaddr = LOCAL_MAC;
netlink_device_change(sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN);
close(sock);
}
#define DEV_IPV4 "172.20.20.%d"
#define DEV_IPV6 "fe80::%02x"
#define DEV_MAC 0x00aaaaaaaaaa
static void initialize_netdevices(void)
{
char netdevsim[16];
sprintf(netdevsim, "netdevsim%d", (int)procid);
struct {
const char* type;
const char* dev;
} devtypes[] = {
{"ip6gretap", "ip6gretap0"}, {"bridge", "bridge0"},
{"vcan", "vcan0"}, {"bond", "bond0"},
{"team", "team0"}, {"dummy", "dummy0"},
{"nlmon", "nlmon0"}, {"caif", "caif0"},
{"batadv", "batadv0"}, {"vxcan", "vxcan1"},
{"netdevsim", netdevsim}, {"veth", 0},
};
const char* devmasters[] = {"bridge", "bond", "team"};
struct {
const char* name;
int macsize;
bool noipv6;
} devices[] = {
{"lo", ETH_ALEN},
{"sit0", 0},
{"bridge0", ETH_ALEN},
{"vcan0", 0, true},
{"tunl0", 0},
{"gre0", 0},
{"gretap0", ETH_ALEN},
{"ip_vti0", 0},
{"ip6_vti0", 0},
{"ip6tnl0", 0},
{"ip6gre0", 0},
{"ip6gretap0", ETH_ALEN},
{"erspan0", ETH_ALEN},
{"bond0", ETH_ALEN},
{"veth0", ETH_ALEN},
{"veth1", ETH_ALEN},
{"team0", ETH_ALEN},
{"veth0_to_bridge", ETH_ALEN},
{"veth1_to_bridge", ETH_ALEN},
{"veth0_to_bond", ETH_ALEN},
{"veth1_to_bond", ETH_ALEN},
{"veth0_to_team", ETH_ALEN},
{"veth1_to_team", ETH_ALEN},
{"veth0_to_hsr", ETH_ALEN},
{"veth1_to_hsr", ETH_ALEN},
{"hsr0", 0},
{"dummy0", ETH_ALEN},
{"nlmon0", 0},
{"vxcan1", 0, true},
{"caif0", ETH_ALEN},
{"batadv0", ETH_ALEN},
{netdevsim, ETH_ALEN},
};
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++)
netlink_add_device(sock, devtypes[i].type, devtypes[i].dev);
for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) {
char master[32], slave0[32], veth0[32], slave1[32], veth1[32];
sprintf(slave0, "%s_slave_0", devmasters[i]);
sprintf(veth0, "veth0_to_%s", devmasters[i]);
netlink_add_veth(sock, slave0, veth0);
sprintf(slave1, "%s_slave_1", devmasters[i]);
sprintf(veth1, "veth1_to_%s", devmasters[i]);
netlink_add_veth(sock, slave1, veth1);
sprintf(master, "%s0", devmasters[i]);
netlink_device_change(sock, slave0, false, master, 0, 0);
netlink_device_change(sock, slave1, false, master, 0, 0);
}
netlink_device_change(sock, "bridge_slave_0", true, 0, 0, 0);
netlink_device_change(sock, "bridge_slave_1", true, 0, 0, 0);
netlink_add_veth(sock, "hsr_slave_0", "veth0_to_hsr");
netlink_add_veth(sock, "hsr_slave_1", "veth1_to_hsr");
netlink_add_hsr(sock, "hsr0", "hsr_slave_0", "hsr_slave_1");
netlink_device_change(sock, "hsr_slave_0", true, 0, 0, 0);
netlink_device_change(sock, "hsr_slave_1", true, 0, 0, 0);
for (i = 0; i < sizeof(devices) / (sizeof(devices[0])); i++) {
char addr[32];
sprintf(addr, DEV_IPV4, i + 10);
netlink_add_addr4(sock, devices[i].name, addr);
if (!devices[i].noipv6) {
sprintf(addr, DEV_IPV6, i + 10);
netlink_add_addr6(sock, devices[i].name, addr);
}
uint64_t macaddr = DEV_MAC + ((i + 10ull) << 40);
netlink_device_change(sock, devices[i].name, true, 0, &macaddr,
devices[i].macsize);
}
close(sock);
}
static void initialize_netdevices_init(void)
{
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
struct {
const char* type;
int macsize;
bool noipv6;
bool noup;
} devtypes[] = {
{"nr", 7, true},
{"rose", 5, true, true},
};
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) {
char dev[32], addr[32];
sprintf(dev, "%s%d", devtypes[i].type, (int)procid);
sprintf(addr, "172.30.%d.%d", i, (int)procid + 1);
netlink_add_addr4(sock, dev, addr);
if (!devtypes[i].noipv6) {
sprintf(addr, "fe88::%02x:%02x", i, (int)procid + 1);
netlink_add_addr6(sock, dev, addr);
}
int macsize = devtypes[i].macsize;
uint64_t macaddr = 0xbbbbbb +
((unsigned long long)i << (8 * (macsize - 2))) +
(procid << (8 * (macsize - 1)));
netlink_device_change(sock, dev, !devtypes[i].noup, 0, &macaddr, macsize);
}
close(sock);
}
static int read_tun(char* data, int size)
{
if (tunfd < 0)
return -1;
int rv = read(tunfd, data, size);
if (rv < 0) {
if (errno == EAGAIN)
return -1;
if (errno == EBADFD)
return -1;
exit(1);
}
return rv;
}
static void flush_tun()
{
char data[SYZ_TUN_MAX_PACKET_SIZE];
while (read_tun(&data[0], sizeof(data)) != -1) {
}
}
static long syz_genetlink_get_family_id(volatile long name)
{
char buf[512] = {0};
struct nlmsghdr* hdr = (struct nlmsghdr*)buf;
struct genlmsghdr* genlhdr = (struct genlmsghdr*)NLMSG_DATA(hdr);
struct nlattr* attr = (struct nlattr*)(genlhdr + 1);
hdr->nlmsg_len =
sizeof(*hdr) + sizeof(*genlhdr) + sizeof(*attr) + GENL_NAMSIZ;
hdr->nlmsg_type = GENL_ID_CTRL;
hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
genlhdr->cmd = CTRL_CMD_GETFAMILY;
attr->nla_type = CTRL_ATTR_FAMILY_NAME;
attr->nla_len = sizeof(*attr) + GENL_NAMSIZ;
NONFAILING(strncpy((char*)(attr + 1), (char*)name, GENL_NAMSIZ));
struct iovec iov = {hdr, hdr->nlmsg_len};
struct sockaddr_nl addr = {0};
addr.nl_family = AF_NETLINK;
int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (fd == -1) {
return -1;
}
struct msghdr msg = {&addr, sizeof(addr), &iov, 1, NULL, 0, 0};
if (sendmsg(fd, &msg, 0) == -1) {
close(fd);
return -1;
}
ssize_t n = recv(fd, buf, sizeof(buf), 0);
close(fd);
if (n <= 0) {
return -1;
}
if (hdr->nlmsg_type != GENL_ID_CTRL) {
return -1;
}
for (; (char*)attr < buf + n;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == CTRL_ATTR_FAMILY_ID)
return *(uint16_t*)(attr + 1);
}
return -1;
}
#define XT_TABLE_SIZE 1536
#define XT_MAX_ENTRIES 10
struct xt_counters {
uint64_t pcnt, bcnt;
};
struct ipt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_entries;
unsigned int size;
};
struct ipt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct ipt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct ipt_table_desc {
const char* name;
struct ipt_getinfo info;
struct ipt_replace replace;
};
static struct ipt_table_desc ipv4_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
static struct ipt_table_desc ipv6_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
#define IPT_BASE_CTL 64
#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
#define IPT_SO_GET_INFO (IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)
struct arpt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_entries;
unsigned int size;
};
struct arpt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct arpt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct arpt_table_desc {
const char* name;
struct arpt_getinfo info;
struct arpt_replace replace;
};
static struct arpt_table_desc arpt_tables[] = {
{.name = "filter"},
};
#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)
static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct ipt_get_entries entries;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct ipt_get_entries entries;
struct ipt_getinfo info;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, level, IPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_arptables(void)
{
struct arpt_get_entries entries;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_arptables()
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct arpt_get_entries entries;
struct arpt_getinfo info;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
} else {
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
#define NF_BR_NUMHOOKS 6
#define EBT_TABLE_MAXNAMELEN 32
#define EBT_CHAIN_MAXNAMELEN 32
#define EBT_BASE_CTL 128
#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL)
#define EBT_SO_GET_INFO (EBT_BASE_CTL)
#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO + 1)
#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES + 1)
#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO + 1)
struct ebt_replace {
char name[EBT_TABLE_MAXNAMELEN];
unsigned int valid_hooks;
unsigned int nentries;
unsigned int entries_size;
struct ebt_entries* hook_entry[NF_BR_NUMHOOKS];
unsigned int num_counters;
struct ebt_counter* counters;
char* entries;
};
struct ebt_entries {
unsigned int distinguisher;
char name[EBT_CHAIN_MAXNAMELEN];
unsigned int counter_offset;
int policy;
unsigned int nentries;
char data[0] __attribute__((aligned(__alignof__(struct ebt_replace))));
};
struct ebt_table_desc {
const char* name;
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
};
static struct ebt_table_desc ebt_tables[] = {
{.name = "filter"},
{.name = "nat"},
{.name = "broute"},
};
static void checkpoint_ebtables(void)
{
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
strcpy(table->replace.name, table->name);
optlen = sizeof(table->replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace,
&optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->replace.entries_size > sizeof(table->entrytable))
exit(1);
table->replace.num_counters = 0;
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace,
&optlen))
exit(1);
}
close(fd);
}
static void reset_ebtables()
{
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
socklen_t optlen;
unsigned i, j, h;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
if (table->replace.valid_hooks == 0)
continue;
memset(&replace, 0, sizeof(replace));
strcpy(replace.name, table->name);
optlen = sizeof(replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen))
exit(1);
replace.num_counters = 0;
table->replace.entries = 0;
for (h = 0; h < NF_BR_NUMHOOKS; h++)
table->replace.hook_entry[h] = 0;
if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) {
memset(&entrytable, 0, sizeof(entrytable));
replace.entries = entrytable;
optlen = sizeof(replace) + replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen))
exit(1);
if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0)
continue;
}
for (j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) {
if (table->replace.valid_hooks & (1 << h)) {
table->replace.hook_entry[h] =
(struct ebt_entries*)table->entrytable + j;
j++;
}
}
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_net_namespace(void)
{
checkpoint_ebtables();
checkpoint_arptables();
checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void reset_net_namespace(void)
{
reset_ebtables();
reset_arptables();
reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void setup_cgroups()
{
if (mkdir("/syzcgroup", 0777)) {
}
if (mkdir("/syzcgroup/unified", 0777)) {
}
if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
}
if (chmod("/syzcgroup/unified", 0777)) {
}
write_file("/syzcgroup/unified/cgroup.subtree_control",
"+cpu +memory +io +pids +rdma");
if (mkdir("/syzcgroup/cpu", 0777)) {
}
if (mount("none", "/syzcgroup/cpu", "cgroup", 0,
"cpuset,cpuacct,perf_event,hugetlb")) {
}
write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
if (chmod("/syzcgroup/cpu", 0777)) {
}
if (mkdir("/syzcgroup/net", 0777)) {
}
if (mount("none", "/syzcgroup/net", "cgroup", 0,
"net_cls,net_prio,devices,freezer")) {
}
if (chmod("/syzcgroup/net", 0777)) {
}
}
static void setup_cgroups_loop()
{
int pid = getpid();
char file[128];
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
write_file(file, "32");
snprintf(file, sizeof(file), "%s/memory.low", cgroupdir);
write_file(file, "%d", 298 << 20);
snprintf(file, sizeof(file), "%s/memory.high", cgroupdir);
write_file(file, "%d", 299 << 20);
snprintf(file, sizeof(file), "%s/memory.max", cgroupdir);
write_file(file, "%d", 300 << 20);
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
}
static void setup_cgroups_test()
{
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.cpu")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.net")) {
}
}
static void setup_common()
{
if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
}
setup_cgroups();
}
static void loop();
static void sandbox_common()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setsid();
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = (200 << 20);
setrlimit(RLIMIT_AS, &rlim);
rlim.rlim_cur = rlim.rlim_max = 32 << 20;
setrlimit(RLIMIT_MEMLOCK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 136 << 20;
setrlimit(RLIMIT_FSIZE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_STACK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 0;
setrlimit(RLIMIT_CORE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 256;
setrlimit(RLIMIT_NOFILE, &rlim);
if (unshare(CLONE_NEWNS)) {
}
if (unshare(CLONE_NEWIPC)) {
}
if (unshare(0x02000000)) {
}
if (unshare(CLONE_NEWUTS)) {
}
if (unshare(CLONE_SYSVSEM)) {
}
typedef struct {
const char* name;
const char* value;
} sysctl_t;
static const sysctl_t sysctls[] = {
{"/proc/sys/kernel/shmmax", "16777216"},
{"/proc/sys/kernel/shmall", "536870912"},
{"/proc/sys/kernel/shmmni", "1024"},
{"/proc/sys/kernel/msgmax", "8192"},
{"/proc/sys/kernel/msgmni", "1024"},
{"/proc/sys/kernel/msgmnb", "1024"},
{"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
};
unsigned i;
for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
write_file(sysctls[i].name, sysctls[i].value);
}
int wait_for_loop(int pid)
{
if (pid < 0)
exit(1);
int status = 0;
while (waitpid(-1, &status, __WALL) != pid) {
}
return WEXITSTATUS(status);
}
static int do_sandbox_none(void)
{
if (unshare(CLONE_NEWPID)) {
}
int pid = fork();
if (pid != 0)
return wait_for_loop(pid);
setup_common();
sandbox_common();
initialize_netdevices_init();
if (unshare(CLONE_NEWNET)) {
}
initialize_tun();
initialize_netdevices();
loop();
exit(1);
}
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
DIR* dp;
struct dirent* ep;
int iter = 0;
retry:
while (umount2(dir, MNT_DETACH) == 0) {
}
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exit(1);
}
exit(1);
}
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
while (umount2(filename, MNT_DETACH) == 0) {
}
struct stat st;
if (lstat(filename, &st))
exit(1);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EPERM) {
int fd = open(filename, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0)
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exit(1);
if (umount2(filename, MNT_DETACH))
exit(1);
}
}
closedir(dp);
int i;
for (i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EPERM) {
int fd = open(dir, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0)
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, MNT_DETACH))
exit(1);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exit(1);
}
}
static void kill_and_wait(int pid, int* status)
{
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
int i;
for (i = 0; i < 100; i++) {
if (waitpid(-1, status, WNOHANG | __WALL) == pid)
return;
usleep(1000);
}
DIR* dir = opendir("/sys/fs/fuse/connections");
if (dir) {
for (;;) {
struct dirent* ent = readdir(dir);
if (!ent)
break;
if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
continue;
char abort[300];
snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
ent->d_name);
int fd = open(abort, O_WRONLY);
if (fd == -1) {
continue;
}
if (write(fd, abort, 1) < 0) {
}
close(fd);
}
closedir(dir);
} else {
}
while (waitpid(-1, status, __WALL) != pid) {
}
}
static void setup_loop()
{
setup_cgroups_loop();
checkpoint_net_namespace();
}
static void reset_loop()
{
reset_net_namespace();
}
static void setup_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setup_cgroups_test();
write_file("/proc/self/oom_score_adj", "1000");
flush_tun();
}
static void close_fds()
{
int fd;
for (fd = 3; fd < 30; fd++)
close(fd);
}
static void setup_binfmt_misc()
{
if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
}
write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
write_file("/proc/sys/fs/binfmt_misc/register",
":syz1:M:1:\x02::./file0:POC");
}
struct thread_t {
int created, call;
event_t ready, done;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
event_wait(&th->ready);
event_reset(&th->ready);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
event_set(&th->done);
}
return 0;
}
static void execute_one(void)
{
int i, call, thread;
int collide = 0;
again:
for (call = 0; call < 3; call++) {
for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
event_init(&th->ready);
event_init(&th->done);
event_set(&th->done);
thread_start(thr, th);
}
if (!event_isset(&th->done))
continue;
event_reset(&th->done);
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
event_set(&th->ready);
if (collide && (call % 2) == 0)
break;
event_timedwait(&th->done, 45);
break;
}
}
for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
sleep_ms(1);
close_fds();
if (!collide) {
collide = 1;
goto again;
}
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
setup_loop();
int iter;
for (iter = 0;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
exit(1);
reset_loop();
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
if (chdir(cwdbuf))
exit(1);
setup_test();
execute_one();
exit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
break;
sleep_ms(1);
if (current_time_ms() - start < 5 * 1000)
continue;
kill_and_wait(pid, &status);
break;
}
remove_dir(cwdbuf);
}
}
uint64_t r[2] = {0xffffffffffffffff, 0x0};
void execute_call(int call)
{
intptr_t res;
switch (call) {
case 0:
res = syscall(__NR_socket, 0x10, 3, 0x10);
if (res != -1)
r[0] = res;
break;
case 1:
NONFAILING(memcpy((void*)0x20000140, "TIPCv2\000", 7));
res = syz_genetlink_get_family_id(0x20000140);
if (res != -1)
r[1] = res;
break;
case 2:
NONFAILING(*(uint64_t*)0x20000580 = 0);
NONFAILING(*(uint32_t*)0x20000588 = 0);
NONFAILING(*(uint64_t*)0x20000590 = 0x20000540);
NONFAILING(*(uint64_t*)0x20000540 = 0x20000340);
NONFAILING(*(uint32_t*)0x20000340 = 0x134);
NONFAILING(*(uint16_t*)0x20000344 = r[1]);
NONFAILING(*(uint16_t*)0x20000346 = 0x821);
NONFAILING(*(uint32_t*)0x20000348 = 0);
NONFAILING(*(uint32_t*)0x2000034c = 0);
NONFAILING(*(uint8_t*)0x20000350 = 3);
NONFAILING(*(uint8_t*)0x20000351 = 0);
NONFAILING(*(uint16_t*)0x20000352 = 0);
NONFAILING(*(uint16_t*)0x20000354 = 8);
NONFAILING(*(uint16_t*)0x20000356 = 6);
NONFAILING(*(uint16_t*)0x20000358 = 4);
NONFAILING(*(uint16_t*)0x2000035a = 2);
NONFAILING(*(uint16_t*)0x2000035c = 0x118);
NONFAILING(*(uint16_t*)0x2000035e = 1);
NONFAILING(*(uint16_t*)0x20000360 = 0x38);
NONFAILING(*(uint16_t*)0x20000362 = 4);
NONFAILING(*(uint16_t*)0x20000364 = 0x14);
NONFAILING(*(uint16_t*)0x20000366 = 1);
NONFAILING(*(uint16_t*)0x20000368 = 2);
NONFAILING(*(uint16_t*)0x2000036a = htobe16(0x4e23));
NONFAILING(*(uint8_t*)0x2000036c = 0xac);
NONFAILING(*(uint8_t*)0x2000036d = 0x14);
NONFAILING(*(uint8_t*)0x2000036e = 0x14);
NONFAILING(*(uint8_t*)0x2000036f = 0xbb);
NONFAILING(*(uint16_t*)0x20000378 = 0x20);
NONFAILING(*(uint16_t*)0x2000037a = 2);
NONFAILING(*(uint16_t*)0x2000037c = 0xa);
NONFAILING(*(uint16_t*)0x2000037e = htobe16(0x4e22));
NONFAILING(*(uint32_t*)0x20000380 = htobe32(5));
NONFAILING(*(uint8_t*)0x20000384 = 0xfe);
NONFAILING(*(uint8_t*)0x20000385 = 0x88);
NONFAILING(*(uint8_t*)0x20000386 = 0);
NONFAILING(*(uint8_t*)0x20000387 = 0);
NONFAILING(*(uint8_t*)0x20000388 = 0);
NONFAILING(*(uint8_t*)0x20000389 = 0);
NONFAILING(*(uint8_t*)0x2000038a = 0);
NONFAILING(*(uint8_t*)0x2000038b = 0);
NONFAILING(*(uint8_t*)0x2000038c = 0);
NONFAILING(*(uint8_t*)0x2000038d = 0);
NONFAILING(*(uint8_t*)0x2000038e = 0);
NONFAILING(*(uint8_t*)0x2000038f = 0);
NONFAILING(*(uint8_t*)0x20000390 = 0);
NONFAILING(*(uint8_t*)0x20000391 = 0);
NONFAILING(*(uint8_t*)0x20000392 = 1);
NONFAILING(*(uint8_t*)0x20000393 = 1 + procid * 1);
NONFAILING(*(uint32_t*)0x20000394 = 0x78);
NONFAILING(*(uint16_t*)0x20000398 = 0x2c);
NONFAILING(*(uint16_t*)0x2000039a = 4);
NONFAILING(*(uint16_t*)0x2000039c = 0x14);
NONFAILING(*(uint16_t*)0x2000039e = 1);
NONFAILING(*(uint16_t*)0x200003a0 = 2);
NONFAILING(*(uint16_t*)0x200003a2 = htobe16(0x4e22));
NONFAILING(*(uint8_t*)0x200003a4 = 0xac);
NONFAILING(*(uint8_t*)0x200003a5 = 0x14);
NONFAILING(*(uint8_t*)0x200003a6 = 0x14);
NONFAILING(*(uint8_t*)0x200003a7 = 0x23);
NONFAILING(*(uint16_t*)0x200003b0 = 0x14);
NONFAILING(*(uint16_t*)0x200003b2 = 2);
NONFAILING(*(uint16_t*)0x200003b4 = 2);
NONFAILING(*(uint16_t*)0x200003b6 = htobe16(0x4e21));
NONFAILING(*(uint32_t*)0x200003b8 = htobe32(0x7f000001));
NONFAILING(*(uint16_t*)0x200003c4 = 0x2c);
NONFAILING(*(uint16_t*)0x200003c6 = 4);
NONFAILING(*(uint16_t*)0x200003c8 = 0x14);
NONFAILING(*(uint16_t*)0x200003ca = 1);
NONFAILING(*(uint16_t*)0x200003cc = 2);
NONFAILING(*(uint16_t*)0x200003ce = htobe16(0x4e24));
NONFAILING(*(uint32_t*)0x200003d0 = htobe32(0x7f000001));
NONFAILING(*(uint16_t*)0x200003dc = 0x14);
NONFAILING(*(uint16_t*)0x200003de = 2);
NONFAILING(*(uint16_t*)0x200003e0 = 2);
NONFAILING(*(uint16_t*)0x200003e2 = htobe16(0x4e21));
NONFAILING(*(uint32_t*)0x200003e4 = htobe32(-1));
NONFAILING(*(uint16_t*)0x200003f0 = 0x18);
NONFAILING(*(uint16_t*)0x200003f2 = 1);
NONFAILING(memcpy((void*)0x200003f4, "eth", 3));
NONFAILING(*(uint8_t*)0x200003f7 = 0x3a);
NONFAILING(memcpy((void*)0x200003f8, "veth0_to_hsr\000", 13));
NONFAILING(*(uint16_t*)0x20000408 = 0x2c);
NONFAILING(*(uint16_t*)0x2000040a = 4);
NONFAILING(*(uint16_t*)0x2000040c = 0x14);
NONFAILING(*(uint16_t*)0x2000040e = 1);
NONFAILING(*(uint16_t*)0x20000410 = 2);
NONFAILING(*(uint16_t*)0x20000412 = htobe16(0x4e20));
NONFAILING(*(uint32_t*)0x20000414 = htobe32(0x7f000001));
NONFAILING(*(uint16_t*)0x20000420 = 0x14);
NONFAILING(*(uint16_t*)0x20000422 = 2);
NONFAILING(*(uint16_t*)0x20000424 = 2);
NONFAILING(*(uint16_t*)0x20000426 = htobe16(0x4e23));
NONFAILING(*(uint8_t*)0x20000428 = 0xac);
NONFAILING(*(uint8_t*)0x20000429 = 0x14);
NONFAILING(*(uint8_t*)0x2000042a = 0x14);
NONFAILING(*(uint8_t*)0x2000042b = 0x16);
NONFAILING(*(uint16_t*)0x20000434 = 0x14);
NONFAILING(*(uint16_t*)0x20000436 = 2);
NONFAILING(*(uint16_t*)0x20000438 = 8);
NONFAILING(*(uint16_t*)0x2000043a = 1);
NONFAILING(*(uint32_t*)0x2000043c = 0x18);
NONFAILING(*(uint16_t*)0x20000440 = 8);
NONFAILING(*(uint16_t*)0x20000442 = 1);
NONFAILING(*(uint32_t*)0x20000444 = 0x17);
NONFAILING(*(uint16_t*)0x20000448 = 0x1c);
NONFAILING(*(uint16_t*)0x2000044a = 2);
NONFAILING(*(uint16_t*)0x2000044c = 8);
NONFAILING(*(uint16_t*)0x2000044e = 4);
NONFAILING(*(uint32_t*)0x20000450 = -1);
NONFAILING(*(uint16_t*)0x20000454 = 8);
NONFAILING(*(uint16_t*)0x20000456 = 1);
NONFAILING(*(uint32_t*)0x20000458 = 1);
NONFAILING(*(uint16_t*)0x2000045c = 8);
NONFAILING(*(uint16_t*)0x2000045e = 1);
NONFAILING(*(uint32_t*)0x20000460 = 2);
NONFAILING(*(uint16_t*)0x20000464 = 0x10);
NONFAILING(*(uint16_t*)0x20000466 = 1);
NONFAILING(memcpy((void*)0x20000468, "udp:syz2\000", 9));
NONFAILING(*(uint64_t*)0x20000548 = 0x134);
NONFAILING(*(uint64_t*)0x20000598 = 1);
NONFAILING(*(uint64_t*)0x200005a0 = 0);
NONFAILING(*(uint64_t*)0x200005a8 = 0);
NONFAILING(*(uint32_t*)0x200005b0 = 0x40);
syscall(__NR_sendmsg, r[0], 0x20000580, 0);
break;
}
}
int main(void)
{
syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
setup_binfmt_misc();
install_segv_handler();
for (procid = 0; procid < 6; procid++) {
if (fork() == 0) {
use_temporary_dir();
do_sandbox_none();
}
}
sleep(1000000);
return 0;
}
|
the_stack_data/154199.c | /*Copyright (c) 2019 , [email protected]
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. All advertising materials mentioning features or use of this software
must display the following acknowledgement:
This product includes software developed by the <organization>.
4. Neither the name of the <organization> 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 <COPYRIGHT HOLDER> ''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 <COPYRIGHT HOLDER> 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.
*/
#include <regex.h>
int main() {
return 0;
} |
the_stack_data/193894224.c | #include <stdio.h>
#define INPUT_FILE "shortInput"
int main(){
int c;
FILE *input;
input = fopen(INPUT_FILE, "r");
if (input == 0){
printf("error opening the file: %s\n", INPUT_FILE);
return -1;
}
do{
c = fgetc(input);
printf("fgetc() != EOF return %d\n",c != EOF);
putchar(c);
printf("\n");
}
while (c != EOF);
printf("\n");
}
|
the_stack_data/87638987.c | #include <stdio.h>
#include <stdlib.h>
int find(int *a, int size, int x){
for (int i = 0; i < size; i++){
if (a[i] == x){
return 1;
}
}
return -1;
}
int main()
{
int a[10] = {2, 4, 6, 7, 8, 9, 1, 3, 5, 10};
int size = sizeof(a)/sizeof(a[0]);
printf("%d\n", find(a, size, 40));
return 0;
}
|
the_stack_data/43888089.c | #include <stdio.h>
/* Sergio
*/
int main(){
int i;
int *p;
i=5;
p=&i;
printf(" i = %d\n", i);
printf(" &i = %d\n", &i);
printf(" p = %d\n", p);
printf(" &p = %d\n", &p);
printf(" *p = %d\n", *p);
return 0;
}
|
the_stack_data/155211.c | #if defined(__STDC__) || defined(ANSI) || defined(NRANSI) /* ANSI */
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#define NR_END 1
#define FREE_ARG char*
void nrerror(char error_text[])
/* Numerical Recipes standard error handler */
{
fprintf(stderr,"Numerical Recipes run-time error...\n");
fprintf(stderr,"%s\n",error_text);
fprintf(stderr,"...now exiting to system...\n");
//exit(1);
}
double *vector(long nl, long nh)
/* allocate a double vector with subscript range v[nl..nh] */
{
double *v;
v=(double *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(double)));
if (!v) nrerror("allocation failure in vector()");
return v-nl+NR_END;
}
int *ivector(long nl, long nh)
/* allocate an int vector with subscript range v[nl..nh] */
{
int *v;
v=(int *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(int)));
if (!v) nrerror("allocation failure in ivector()");
return v-nl+NR_END;
}
unsigned char *cvector(long nl, long nh)
/* allocate an unsigned char vector with subscript range v[nl..nh] */
{
unsigned char *v;
v=(unsigned char *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(unsigned char)));
if (!v) nrerror("allocation failure in cvector()");
return v-nl+NR_END;
}
unsigned long *lvector(long nl, long nh)
/* allocate an unsigned long vector with subscript range v[nl..nh] */
{
unsigned long *v;
v=(unsigned long *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(long)));
if (!v) nrerror("allocation failure in lvector()");
return v-nl+NR_END;
}
double *dvector(long nl, long nh)
/* allocate a double vector with subscript range v[nl..nh] */
{
double *v;
v=(double *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(double)));
if (!v) nrerror("allocation failure in dvector()");
return v-nl+NR_END;
}
double **matrix(long nrl, long nrh, long ncl, long nch)
/* allocate a double matrix with subscript range m[nrl..nrh][ncl..nch] */
{
long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
double **m;
/* allocate pointers to rows */
m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
if (!m) nrerror("allocation failure 1 in matrix()");
m += NR_END;
m -= nrl;
/* allocate rows and set pointers to them */
m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
m[nrl] += NR_END;
m[nrl] -= ncl;
for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
double **dmatrix(long nrl, long nrh, long ncl, long nch)
/* allocate a double matrix with subscript range m[nrl..nrh][ncl..nch] */
{
long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
double **m;
/* allocate pointers to rows */
m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
if (!m) nrerror("allocation failure 1 in matrix()");
m += NR_END;
m -= nrl;
/* allocate rows and set pointers to them */
m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
m[nrl] += NR_END;
m[nrl] -= ncl;
for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
int **imatrix(long nrl, long nrh, long ncl, long nch)
/* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */
{
long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
int **m;
/* allocate pointers to rows */
m=(int **) malloc((size_t)((nrow+NR_END)*sizeof(int*)));
if (!m) nrerror("allocation failure 1 in matrix()");
m += NR_END;
m -= nrl;
/* allocate rows and set pointers to them */
m[nrl]=(int *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(int)));
if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
m[nrl] += NR_END;
m[nrl] -= ncl;
for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
double **submatrix(double **a, long oldrl, long oldrh, long oldcl, long oldch,
long newrl, long newcl)
/* point a submatrix [newrl..][newcl..] to a[oldrl..oldrh][oldcl..oldch] */
{
long i,j,nrow=oldrh-oldrl+1,ncol=oldcl-newcl;
double **m;
/* allocate array of pointers to rows */
m=(double **) malloc((size_t) ((nrow+NR_END)*sizeof(double*)));
if (!m) nrerror("allocation failure in submatrix()");
m += NR_END;
m -= newrl;
/* set pointers to rows */
for(i=oldrl,j=newrl;i<=oldrh;i++,j++) m[j]=a[i]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
double **convert_matrix(double *a, long nrl, long nrh, long ncl, long nch)
/* allocate a double matrix m[nrl..nrh][ncl..nch] that points to the matrix
declared in the standard C manner as a[nrow][ncol], where nrow=nrh-nrl+1
and ncol=nch-ncl+1. The routine should be called with the address
&a[0][0] as the first argument. */
{
long i,j,nrow=nrh-nrl+1,ncol=nch-ncl+1;
double **m;
/* allocate pointers to rows */
m=(double **) malloc((size_t) ((nrow+NR_END)*sizeof(double*)));
if (!m) nrerror("allocation failure in convert_matrix()");
m += NR_END;
m -= nrl;
/* set pointers to rows */
m[nrl]=a-ncl;
for(i=1,j=nrl+1;i<nrow;i++,j++) m[j]=m[j-1]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
double ***f3tensor(long nrl, long nrh, long ncl, long nch, long ndl, long ndh)
/* allocate a double 3tensor with range t[nrl..nrh][ncl..nch][ndl..ndh] */
{
long i,j,nrow=nrh-nrl+1,ncol=nch-ncl+1,ndep=ndh-ndl+1;
double ***t;
/* allocate pointers to pointers to rows */
t=(double ***) malloc((size_t)((nrow+NR_END)*sizeof(double**)));
if (!t) nrerror("allocation failure 1 in f3tensor()");
t += NR_END;
t -= nrl;
/* allocate pointers to rows and set pointers to them */
t[nrl]=(double **) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double*)));
if (!t[nrl]) nrerror("allocation failure 2 in f3tensor()");
t[nrl] += NR_END;
t[nrl] -= ncl;
/* allocate rows and set pointers to them */
t[nrl][ncl]=(double *) malloc((size_t)((nrow*ncol*ndep+NR_END)*sizeof(double)));
if (!t[nrl][ncl]) nrerror("allocation failure 3 in f3tensor()");
t[nrl][ncl] += NR_END;
t[nrl][ncl] -= ndl;
for(j=ncl+1;j<=nch;j++) t[nrl][j]=t[nrl][j-1]+ndep;
for(i=nrl+1;i<=nrh;i++) {
t[i]=t[i-1]+ncol;
t[i][ncl]=t[i-1][ncl]+ncol*ndep;
for(j=ncl+1;j<=nch;j++) t[i][j]=t[i][j-1]+ndep;
}
/* return pointer to array of pointers to rows */
return t;
}
double ****f4tensor(long nrl, long nrh, long ncl, long nch, long ndl, long ndh, long nwl, long nwh)
/* allocate a double 4tensor with range t[nrl..nrh][ncl..nch][ndl..ndh][nwl...nwh] */
{
long i,j,k,nrow=nrh-nrl+1,ncol=nch-ncl+1,ndep=ndh-ndl+1,nwid=nwh-nwl+1;
double ****t;
/* allocate pointers to pointers to pointers to rows */
t=(double ****) malloc((size_t)((nrow+NR_END)*sizeof(double***)));
if (!t) nrerror("allocation failure 1 in f4tensor()");
t += NR_END;
t -= nrl;
/* allocate pointers to pointers to rows */
t[nrl]=(double ***) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double**)));
if (!t[nrl]) nrerror("allocation failure 2 in f4tensor()");
t[nrl] += NR_END;
t[nrl] -= ncl;
/* allocate pointers to rows and set pointers to them */
t[nrl][ncl]=(double **) malloc((size_t)((nrow*ncol*ndep+NR_END)*sizeof(double*)));
if (!t[nrl][ncl]) nrerror("allocation failure 3 in f4tensor()");
t[nrl][ncl] += NR_END;
t[nrl][ncl] -= ndl;
/* allocate rows and set pointers to them */
t[nrl][ncl][ndl]=(double *) malloc((size_t)((nrow*ncol*ndep*nwid+NR_END)*sizeof(double)));
if (!t[nrl][ncl][ndl]) nrerror("allocation failure 4 in f4tensor()");
t[nrl][ncl][ndl] += NR_END;
t[nrl][ncl][ndl] -= nwl;
for(i=nrl+1;i<=nrl+nrow-1;i++)t[i]=t[i-1]+ncol;
for(j=ncl+1;j<=ncl+nrow*ncol-1;j++)t[nrl][j]=t[nrl][j-1]+ndep;
for(k=ndl+1;k<=ndl+nrow*ncol*ndep-1;k++)t[nrl][ncl][k]=t[nrl][ncl][k-1]+nwid;
/* return pointer to array of array of pointers to rows */
return t;
}
void free_vector(double *v, long nl, long nh)
/* free a double vector allocated with vector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_ivector(int *v, long nl, long nh)
/* free an int vector allocated with ivector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_cvector(unsigned char *v, long nl, long nh)
/* free an unsigned char vector allocated with cvector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_lvector(unsigned long *v, long nl, long nh)
/* free an unsigned long vector allocated with lvector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_dvector(double *v, long nl, long nh)
/* free a double vector allocated with dvector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_matrix(double **m, long nrl, long nrh, long ncl, long nch)
/* free a double matrix allocated by matrix() */
{
free((FREE_ARG) (m[nrl]+ncl-NR_END));
free((FREE_ARG) (m+nrl-NR_END));
}
void free_dmatrix(double **m, long nrl, long nrh, long ncl, long nch)
/* free a double matrix allocated by dmatrix() */
{
free((FREE_ARG) (m[nrl]+ncl-NR_END));
free((FREE_ARG) (m+nrl-NR_END));
}
void free_imatrix(int **m, long nrl, long nrh, long ncl, long nch)
/* free an int matrix allocated by imatrix() */
{
free((FREE_ARG) (m[nrl]+ncl-NR_END));
free((FREE_ARG) (m+nrl-NR_END));
}
void free_submatrix(double **b, long nrl, long nrh, long ncl, long nch)
/* free a submatrix allocated by submatrix() */
{
free((FREE_ARG) (b+nrl-NR_END));
}
void free_convert_matrix(double **b, long nrl, long nrh, long ncl, long nch)
/* free a matrix allocated by convert_matrix() */
{
free((FREE_ARG) (b+nrl-NR_END));
}
void free_f3tensor(double ***t, long nrl, long nrh, long ncl, long nch,
long ndl, long ndh)
/* free a double f3tensor allocated by f3tensor() */
{
free((FREE_ARG) (t[nrl][ncl]+ndl-NR_END));
free((FREE_ARG) (t[nrl]+ncl-NR_END));
free((FREE_ARG) (t+nrl-NR_END));
}
void free_f4tensor(double ****t, long nrl, long nrh, long ncl, long nch,
long ndl, long ndh, long nwl, long nwh)
/* free a double f4tensor allocated by f4tensor() */
{
free((FREE_ARG) (t[nrl][ncl][ndl]+nwl-NR_END));
free((FREE_ARG) (t[nrl][ncl]+ndl-NR_END));
free((FREE_ARG) (t[nrl]+ncl-NR_END));
free((FREE_ARG) (t+nrl-NR_END));
}
#else /* ANSI */
/* traditional - K&R */
#include <stdio.h>
#define NR_END 1
#define FREE_ARG char*
void nrerror(error_text)
char error_text[];
/* Numerical Recipes standard error handler */
{
void exit();
fprintf(stderr,"Numerical Recipes run-time error...\n");
fprintf(stderr,"%s\n",error_text);
fprintf(stderr,"...now exiting to system...\n");
exit(1);
}
double *vector(nl,nh)
long nh,nl;
/* allocate a double vector with subscript range v[nl..nh] */
{
double *v;
v=(double *)malloc((unsigned int) ((nh-nl+1+NR_END)*sizeof(double)));
if (!v) nrerror("allocation failure in vector()");
return v-nl+NR_END;
}
int *ivector(nl,nh)
long nh,nl;
/* allocate an int vector with subscript range v[nl..nh] */
{
int *v;
v=(int *)malloc((unsigned int) ((nh-nl+1+NR_END)*sizeof(int)));
if (!v) nrerror("allocation failure in ivector()");
return v-nl+NR_END;
}
unsigned char *cvector(nl,nh)
long nh,nl;
/* allocate an unsigned char vector with subscript range v[nl..nh] */
{
unsigned char *v;
v=(unsigned char *)malloc((unsigned int) ((nh-nl+1+NR_END)*sizeof(unsigned char)));
if (!v) nrerror("allocation failure in cvector()");
return v-nl+NR_END;
}
unsigned long *lvector(nl,nh)
long nh,nl;
/* allocate an unsigned long vector with subscript range v[nl..nh] */
{
unsigned long *v;
v=(unsigned long *)malloc((unsigned int) ((nh-nl+1+NR_END)*sizeof(long)));
if (!v) nrerror("allocation failure in lvector()");
return v-nl+NR_END;
}
double *dvector(nl,nh)
long nh,nl;
/* allocate a double vector with subscript range v[nl..nh] */
{
double *v;
v=(double *)malloc((unsigned int) ((nh-nl+1+NR_END)*sizeof(double)));
if (!v) nrerror("allocation failure in dvector()");
return v-nl+NR_END;
}
double **matrix(nrl,nrh,ncl,nch)
long nch,ncl,nrh,nrl;
/* allocate a double matrix with subscript range m[nrl..nrh][ncl..nch] */
{
long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
double **m;
/* allocate pointers to rows */
m=(double **) malloc((unsigned int)((nrow+NR_END)*sizeof(double*)));
if (!m) nrerror("allocation failure 1 in matrix()");
m += NR_END;
m -= nrl;
/* allocate rows and set pointers to them */
m[nrl]=(double *) malloc((unsigned int)((nrow*ncol+NR_END)*sizeof(double)));
if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
m[nrl] += NR_END;
m[nrl] -= ncl;
for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
double **dmatrix(nrl,nrh,ncl,nch)
long nch,ncl,nrh,nrl;
/* allocate a double matrix with subscript range m[nrl..nrh][ncl..nch] */
{
long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
double **m;
/* allocate pointers to rows */
m=(double **) malloc((unsigned int)((nrow+NR_END)*sizeof(double*)));
if (!m) nrerror("allocation failure 1 in matrix()");
m += NR_END;
m -= nrl;
/* allocate rows and set pointers to them */
m[nrl]=(double *) malloc((unsigned int)((nrow*ncol+NR_END)*sizeof(double)));
if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
m[nrl] += NR_END;
m[nrl] -= ncl;
for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
int **imatrix(nrl,nrh,ncl,nch)
long nch,ncl,nrh,nrl;
/* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */
{
long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
int **m;
/* allocate pointers to rows */
m=(int **) malloc((unsigned int)((nrow+NR_END)*sizeof(int*)));
if (!m) nrerror("allocation failure 1 in matrix()");
m += NR_END;
m -= nrl;
/* allocate rows and set pointers to them */
m[nrl]=(int *) malloc((unsigned int)((nrow*ncol+NR_END)*sizeof(int)));
if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
m[nrl] += NR_END;
m[nrl] -= ncl;
for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
double **submatrix(a,oldrl,oldrh,oldcl,oldch,newrl,newcl)
double **a;
long newcl,newrl,oldch,oldcl,oldrh,oldrl;
/* point a submatrix [newrl..][newcl..] to a[oldrl..oldrh][oldcl..oldch] */
{
long i,j,nrow=oldrh-oldrl+1,ncol=oldcl-newcl;
double **m;
/* allocate array of pointers to rows */
m=(double **) malloc((unsigned int) ((nrow+NR_END)*sizeof(double*)));
if (!m) nrerror("allocation failure in submatrix()");
m += NR_END;
m -= newrl;
/* set pointers to rows */
for(i=oldrl,j=newrl;i<=oldrh;i++,j++) m[j]=a[i]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
double **convert_matrix(a,nrl,nrh,ncl,nch)
double *a;
long nch,ncl,nrh,nrl;
/* allocate a double matrix m[nrl..nrh][ncl..nch] that points to the matrix
declared in the standard C manner as a[nrow][ncol], where nrow=nrh-nrl+1
and ncol=nch-ncl+1. The routine should be called with the address
&a[0][0] as the first argument. */
{
long i,j,nrow=nrh-nrl+1,ncol=nch-ncl+1;
double **m;
/* allocate pointers to rows */
m=(double **) malloc((unsigned int) ((nrow+NR_END)*sizeof(double*)));
if (!m) nrerror("allocation failure in convert_matrix()");
m += NR_END;
m -= nrl;
/* set pointers to rows */
m[nrl]=a-ncl;
for(i=1,j=nrl+1;i<nrow;i++,j++) m[j]=m[j-1]+ncol;
/* return pointer to array of pointers to rows */
return m;
}
double ***f3tensor(nrl,nrh,ncl,nch,ndl,ndh)
long nch,ncl,ndh,ndl,nrh,nrl;
/* allocate a double 3tensor with range t[nrl..nrh][ncl..nch][ndl..ndh] */
{
long i,j,nrow=nrh-nrl+1,ncol=nch-ncl+1,ndep=ndh-ndl+1;
double ***t;
/* allocate pointers to pointers to rows */
t=(double ***) malloc((unsigned int)((nrow+NR_END)*sizeof(double**)));
if (!t) nrerror("allocation failure 1 in f3tensor()");
t += NR_END;
t -= nrl;
/* allocate pointers to rows and set pointers to them */
t[nrl]=(double **) malloc((unsigned int)((nrow*ncol+NR_END)*sizeof(double*)));
if (!t[nrl]) nrerror("allocation failure 2 in f3tensor()");
t[nrl] += NR_END;
t[nrl] -= ncl;
/* allocate rows and set pointers to them */
t[nrl][ncl]=(double *) malloc((unsigned int)((nrow*ncol*ndep+NR_END)*sizeof(double)));
if (!t[nrl][ncl]) nrerror("allocation failure 3 in f3tensor()");
t[nrl][ncl] += NR_END;
t[nrl][ncl] -= ndl;
for(j=ncl+1;j<=nch;j++) t[nrl][j]=t[nrl][j-1]+ndep;
for(i=nrl+1;i<=nrh;i++) {
t[i]=t[i-1]+ncol;
t[i][ncl]=t[i-1][ncl]+ncol*ndep;
for(j=ncl+1;j<=nch;j++) t[i][j]=t[i][j-1]+ndep;
}
/* return pointer to array of pointers to rows */
return t;
}
void free_vector(v,nl,nh)
double *v;
long nh,nl;
/* free a double vector allocated with vector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_ivector(v,nl,nh)
int *v;
long nh,nl;
/* free an int vector allocated with ivector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_cvector(v,nl,nh)
long nh,nl;
unsigned char *v;
/* free an unsigned char vector allocated with cvector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_lvector(v,nl,nh)
long nh,nl;
unsigned long *v;
/* free an unsigned long vector allocated with lvector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_dvector(v,nl,nh)
double *v;
long nh,nl;
/* free a double vector allocated with dvector() */
{
free((FREE_ARG) (v+nl-NR_END));
}
void free_matrix(m,nrl,nrh,ncl,nch)
double **m;
long nch,ncl,nrh,nrl;
/* free a double matrix allocated by matrix() */
{
free((FREE_ARG) (m[nrl]+ncl-NR_END));
free((FREE_ARG) (m+nrl-NR_END));
}
void free_dmatrix(m,nrl,nrh,ncl,nch)
double **m;
long nch,ncl,nrh,nrl;
/* free a double matrix allocated by dmatrix() */
{
free((FREE_ARG) (m[nrl]+ncl-NR_END));
free((FREE_ARG) (m+nrl-NR_END));
}
void free_imatrix(m,nrl,nrh,ncl,nch)
int **m;
long nch,ncl,nrh,nrl;
/* free an int matrix allocated by imatrix() */
{
free((FREE_ARG) (m[nrl]+ncl-NR_END));
free((FREE_ARG) (m+nrl-NR_END));
}
void free_submatrix(b,nrl,nrh,ncl,nch)
double **b;
long nch,ncl,nrh,nrl;
/* free a submatrix allocated by submatrix() */
{
free((FREE_ARG) (b+nrl-NR_END));
}
void free_convert_matrix(b,nrl,nrh,ncl,nch)
double **b;
long nch,ncl,nrh,nrl;
/* free a matrix allocated by convert_matrix() */
{
free((FREE_ARG) (b+nrl-NR_END));
}
void free_f3tensor(t,nrl,nrh,ncl,nch,ndl,ndh)
double ***t;
long nch,ncl,ndh,ndl,nrh,nrl;
/* free a double f3tensor allocated by f3tensor() */
{
free((FREE_ARG) (t[nrl][ncl]+ndl-NR_END));
free((FREE_ARG) (t[nrl]+ncl-NR_END));
free((FREE_ARG) (t+nrl-NR_END));
}
#endif /* ANSI */
|
the_stack_data/491697.c | /* compress.c -- compress a memory buffer
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#define ZLIB_INTERNAL
#include "zlib.h"
/* ===========================================================================
Compresses the source buffer into the destination buffer. The level
parameter has the same meaning as in deflateInit. sourceLen is the byte
length of the source buffer. Upon entry, destLen is the total size of the
destination buffer, which must be at least 0.1% larger than sourceLen plus
12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_BUF_ERROR if there was not enough room in the output buffer,
Z_STREAM_ERROR if the level parameter is invalid.
*/
int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
int level;
{
z_stream stream;
int err;
stream.next_in = (Bytef *)source;
stream.avail_in = (uInt)sourceLen;
#ifdef MAXSEG_64K
/* Check for source > 64K on 16-bit machine: */
if ((uLong)stream.avail_in != sourceLen) {
return Z_BUF_ERROR;
}
#endif
stream.next_out = dest;
stream.avail_out = (uInt) * destLen;
if ((uLong)stream.avail_out != *destLen) {
return Z_BUF_ERROR;
}
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
stream.opaque = (voidpf)0;
err = deflateInit(&stream, level);
if (err != Z_OK) {
return err;
}
err = deflate(&stream, Z_FINISH);
if (err != Z_STREAM_END) {
deflateEnd(&stream);
return err == Z_OK ? Z_BUF_ERROR : err;
}
*destLen = stream.total_out;
err = deflateEnd(&stream);
return err;
}
/* ===========================================================================
*/
int ZEXPORT compress (dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION);
}
/* ===========================================================================
If the default memLevel or windowBits for deflateInit() is changed, then
this function needs to be updated.
*/
uLong ZEXPORT compressBound (sourceLen)
uLong sourceLen;
{
return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) +
(sourceLen >> 25) + 13;
}
|
the_stack_data/118246.c | #include <fenv.h>
int fegetenv(fenv_t*);
|
the_stack_data/1140559.c | // Uncomment the commented line If you are using Turbo C
#include<stdio.h>
#include<string.h>
// include<conio.h>
int main(){
int l;
char s1[100], s2[100];
printf(" **** Performing string length **** \n");
printf("Enter only one string: ");
scanf("%s", s1);
l = strlen(s1);
printf("Length of string %s is %d\n\n", s1, l);
printf(" **** Performing string concatination **** \n");
printf("Enter two string: ");
scanf("%s %s", s1, s2);
printf("Concatination of the strings: %s\n\n", strcat(s1, s2));
printf(" **** Performing string comparison **** \n");
printf("Enter two string: ");
scanf("%s %s", s1, s2);
if(strcmp(s1, s2)==0){
printf("Both string are equal\n\n");
}
else{
printf("Both string are not equal\n\n");
}
printf(" **** Performing string copy **** \n");
printf("Enter two string: ");
scanf("%s %s", s1, s2);
printf("value of s1=%s and s2=%s before strcpy\n", s1, s2);
strcpy(s1, s2);
printf("value of s1=%s and s2=%s after strcpy\n", s1, s2);
//getch();
}
|
the_stack_data/358014.c | /* Effect bug in ammp: call site to a_m_serial seems to lack argument(s) */
typedef struct atom {
int serial;
int active;
struct atom * next;
} ATOM;
int atomUPDATE;
int atomNUMBER;
ATOM * first;
ATOM *a_m_serial( serial )
int serial;
{
static ATOM *ap = ((void *)0);
static ATOM *lastmatched = ((void *)0);
int i , n, a_number();
if( atomUPDATE) n= a_number();
else n = atomNUMBER;
ap = first; /* static pointer is hook for more efficient search */
if( ap == ((void *)0)) return ((void *)0);
if( lastmatched == ((void *)0) ) lastmatched = first;
if( serial == lastmatched->serial) return lastmatched;
if( serial > lastmatched->serial) ap = lastmatched;
for( i=0; i< n; i++ )
{
if( ap-> serial == serial) {lastmatched = ap;return ap;}
if( ap == ap->next)ap = first ;
else ap = ap->next;
}
return ((void *)0);
}
int a_number()
{
ATOM *ap;
if( atomUPDATE )
{
atomUPDATE = 0;
atomNUMBER = 0;
if( first == ((void *)0) ) return 0 ;
ap = first;
while(1)
{
if( ap->next == ((void *)0)) break;
atomNUMBER++;
if( ap->next == ap ) break;
ap = ap->next;
}
}
return atomNUMBER;
}
ATOM *a_next( flag )
int flag;
{
static ATOM *ap = ((void *)0);
if( ap == ((void *)0)) ap = first ;
if( ap == ((void *)0)) return ((void *)0);
if( flag <= 0){ ap = first; return ap;}
if( ap == ap->next) return ((void *)0);
ap = ap->next;
return ap;
}
/*
activate (i1,i2)
int i1,i2 ;
*/
int activate (int i1, int i2)
{
int upper, lower;
ATOM *ap,*a_m_serial(),*a_next();
int i ,numatm,a_number();
if( i2 == 0 )
{
ap = a_m_serial( i1) ;
if( ap != ((void *)0))
ap -> active = 1;
return 0;
}
upper = i2; lower = i1;
if( i2 < i1 ) { lower = i2; upper = i1;}
numatm = a_number();
for( i=0; i< numatm; i++)
{
ap = a_next(i);
if( ap->serial >= lower && ap->serial <= upper)
ap->active = 1;
}
return 0;
}
|
the_stack_data/242330490.c | #include <stdio.h>
int
test()
{
int x;
int *p;
x = 1;
p = &x;
p[0] = 0;
return x;
}
int main () {
int x;
x = test();
printf("%d\n", x);
return 0;
} |
the_stack_data/242331718.c | /*@ begin PerfTuning (
def build
{
arg build_command = 'gcc -O1 ';
arg libs = '-lm -lrt';
}
def performance_counter
{
arg repetitions = 10;
}
def performance_params
{
param T1_I[] = [1,16,32,64,128,256,512];
param T1_J[] = [1,16,32,64,128,256,512];
param T1_Ia[] = [1,64,128,256,512,1024,2048];
param T1_Ja[] = [1,64,128,256,512,1024,2048];
param T2_I[] = [1,16,32,64,128,256,512];
param T2_J[] = [1,16,32,64,128,256,512];
param T2_K[] = [1,16,32,64,128,256,512];
param T2_Ia[] = [1,64,128,256,512,1024,2048];
param T2_Ja[] = [1,64,128,256,512,1024,2048];
param T2_Ka[] = [1,64,128,256,512,1024,2048];
param U1_I[] = [1]+range(2,17,2);
param U1_J[] = [1]+range(2,17,2);
param U2_I[] = [1]+range(2,17,2);
param U2_J[] = [1]+range(2,17,2);
param U2_K[] = [1]+range(2,17,2);
constraint tileI1 = ((T1_Ia == 1) or (T1_Ia % T1_I == 0));
constraint tileJ1 = ((T1_Ja == 1) or (T1_Ja % T1_J == 0));
constraint reg_capacity_1 = (U1_I*U1_J <= 150);
constraint unroll_limit_1 = ((U1_I == 1) or (U1_J == 1) );
constraint tileI2 = ((T2_Ia == 1) or (T2_Ia % T2_I == 0));
constraint tileJ2 = ((T2_Ja == 1) or (T2_Ja % T2_J == 0));
constraint tileK2 = ((T2_Ka == 1) or (T2_Ka % T2_K == 0));
constraint reg_capacity_2 = (U2_I*U2_J + U2_I*U2_K + U2_J*U2_K <= 150);
constraint unroll_limit_2 = ((U2_I == 1) or (U2_J == 1) or (U2_K == 1));
}
def search
{
arg algorithm = 'Randomlocal';
arg total_runs = 1000;
}
def input_params
{
param m = 1500;
param n = 500;
}
def input_vars
{
decl static double data[m+10][n+10] = random;
decl static double symmat[m+10][m+10] = random;
decl static double mean[m+10] = random;
decl double float_n = 321414134.01;
decl double eps = 0.005;
}
) @*/
int i, j, k;
int ii, jj, kk;
int it, jt, kt;
int iii, jjj, kkk;
#define max(x,y) ((x) > (y)? (x) : (y))
#define min(x,y) ((x) < (y)? (x) : (y))
/*@ begin Loop(
transform Composite(
tile = [('j',T1_J,'jj'),('i',T1_I,'ii'),
(('jj','j'),T1_Ja,'jjj'),(('ii','i'),T1_Ia,'iii')],
unrolljam = (['j','i'],[U1_J,U1_I])
)
for (j = 1; j <= m; j++)
{
mean[j] = 0.0;
for (i = 1; i <= n; i++)
mean[j] += data[i][j];
mean[j] /= float_n;
}
for (i = 1; i <= n; i++)
for (j = 1; j <= m; j++)
data[i][j] -= mean[j];
transform Composite(
tile = [('i',T2_I,'ii'),('j',T2_J,'jj'),('k',T2_K,'kk'),
(('ii','i'),T2_Ia,'iii'),(('jj','j'),T2_Ja,'jjj'),(('kk','k'),T2_Ka,'kkk')],
unrolljam = (['i','j','k'],[U2_I,U2_J,U2_K])
)
for (k = 1; k <= m-1; k++)
{
symmat[k][k] = 1.0;
for (j = k+1; j <= m; j++)
{
symmat[k][j] = 0.0;
for (i = 1; i <= n; i++)
symmat[k][j] += (data[i][k] * data[i][j]);
symmat[j][k] = symmat[k][j];
}
}
) @*/
/*@ end @*/
/*@ end @*/
|
the_stack_data/72011928.c | #include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
// int open(const char *pathname, int flags, .....);
//first parameter is file's pathname
//secound parameter is :
//O_RDONLY
//O_WRONLY
//O_RDWR
//O_CREAT: Bu modda dosya yoksa yaratılır ve açılır, varsa olan dosya açılır.
//O_TRUNC: Bu modda dosya açılırken eğer dosya zaten varsa aynı zamanda sıfırlanmaktadır.
//O_APPEND: Bu modda dosyadan okuma yapılabilir. Ancak her yazma işlemi önce dosya göstericisinin dosyanın sonuna çekilmesiyle yapılmaktadır. Yani her write işlemi sona eklemeye yol açar
//O_EXCL: Bu modda yaratım sırasında dosya varsa open fonksiyonu başarısız olur.
// ucuncu parameter istege bağlıdır. Eğer O_CREAT kullanılmışsa bu parametre doldurulabilir.
int main()
{
int fd;
if( (fd = open("/home/murat/23.02.2019_", O_RDWR|O_EXCL|O_CREAT, S_IRGRP|S_IROTH )) == -1){
perror("open");
exit(EXIT_FAILURE);
}
return 0;
}
|
the_stack_data/36339.c | extern void __VERIFIER_error() __attribute__ ((__noreturn__));
#include <stdlib.h>
extern int __VERIFIER_nondet_int(void);
struct T {
struct T* next;
struct T* prev;
int data;
};
struct T2 {
struct T head;
struct T2* next;
struct T2* prev;
};
int main() {
struct T2* first = NULL;
struct T2* last = NULL;
int c1 = 0;
int c2 = 0;
while (c1 < 2 && __VERIFIER_nondet_int()) {
c1++;
struct T2* x = malloc(sizeof(struct T2));
if (!x)
abort();
x->next = NULL;
x->prev = NULL;
x->head.next = &x->head;
x->head.prev = &x->head;
x->head.data = c1 * 2;
struct T* y = NULL;
while (c2 < 3 && __VERIFIER_nondet_int()) {
c2++;
y = malloc(sizeof(struct T));
if (!y)
abort();
y->next = x->head.next;
y->next->prev = y;
y->prev = &x->head;
y->data = c2*c1;
x->head.next = y;
y = NULL;
}
c2 = 0;
if (!first) {
first = x;
last = x;
} else {
last->next = x;
x->prev = last;
last = x;
}
}
while (c1 > 0) {
c1--;
struct T2* x = first;
first = first->next;
struct T* y = x->head.next;
while (y != &x->head) {
struct T* z = y;
y = y->next;
if(z->data < 16) {
free(z);
}
}
free(x);
}
return 0;
}
|
the_stack_data/97013074.c | #include <stdio.h>
#include <stdlib.h>
/* Copyright 2021 Melwyn Francis Carlo */
int main()
{
int nth = 10001;
int n = 1E+6;
// Using the algorithm of Sieve of Eratosthenes
int *integers_list = (int*)calloc(n+1, sizeof(int));
for (int i = 2; (i*i) <= n; i++)
{
if (integers_list[i] == 0)
{
for (int j = (i*i); j <= n; j += i)
integers_list[j] = 1;
}
}
int primes_n = 0;
for (int i = 2; i <= n; i++)
{
if (integers_list[i] == 0)
{
primes_n += 1;
if (primes_n == nth)
{
printf("%d\n", i);
break;
}
}
}
free(integers_list);
return 0;
}
|
the_stack_data/184519070.c | /* bases.c--以十进制、八进制、十六进制打印十进制数100 */
/**
* @date 2020-11-02 20:51:29
**/
#include <stdio.h>
int main(void)
{
int x = 100;
printf("dec = %d; octal = %o; hex = %x\n", x, x, x);
printf("dec = %d; octal = %#o; hex = %#x\n", x, x, x);
return 0;
}
|
the_stack_data/95449444.c | #include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
int main()
{
int num = 0;
printf("Digite um numero qualquer \n");
scanf("%d",&num);
if(num%2 == 0){
printf("E PAR !! \n");
}else{
printf(" E IMPAR !!! \n");
}
return 0;
}
|
the_stack_data/25138167.c | #include <stdio.h>
#include <stdlib.h>
/*
La funzione main(), come accennato nel sorgente dedicato alla terminazione dei
processi, e' una funzione essenziale, dal punto di vista dello sviluppatore
ad esempio e' possibile accedere alle informazioni passate dall'utente
attraverso i parametri argc ed argv[] della funzione main() stessa; argc e' un
intero ed indica il numero di argomenti, argv[] invece e' un puntatore ad un
vettore di stringhe, ossia ognuno degli elementi che lo costituiscono referenzia
una stringa contenente uno dei parametri passati dalla shell.
Note:
- argv[0] corrisponde sempre, ovviamente, al programma in esecuzione;
- argv[argc] e' sempre un puntatore nullo che indica la fine del vettore;
- argv[argc-1] referenzia l'ultimo parametro;
- argc e argv sono nomi convenzionali, si consiglia di non modificarli.
*/
int main(int argc, char* argv[])
{
int i;
printf("Nome del programma: %s\n", argv[0]);
printf("E' stato invocato con %d elementi\n", argc);
if (argc > 1) {
printf("Gli argomenti sono: \n");
for (i = 0; i < argc; ++i) {
printf("argv[%i] %s\n", i, argv[i]);
}
}
return (EXIT_SUCCESS);
}
|
the_stack_data/41837.c | #include <assert.h>
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_CHR 1024 //maximum number of chromosomes
#define MAX_CHR_NAME \
256 //maximum number of characters in a chromosome name (with the comments)
#define OUTPUT_FILE_FORMAT "part%d.fa" //output fasta file name format
#define FASTA_STAT "stat_fasta.csv" //csv to write the fasta stats
#define PARTITION_STAT \
"stat_part%d.csv" //csv file name format to store stats for each partition
int8_t verbose = 1; //verbosity level 0,1,2
int8_t print_fasta_stat = 0; //whether to output FASTA_STAT or not
int32_t NUM_PARTS = 0; //number of partitions in the index
/*Die on error. Print the error and exit if the return value of the previous function NULL*/
#define errorCheckNULL(ret) \
({ \
if (ret == NULL) { \
fprintf(stderr, "Error at File %s line number %d : %s.\n", \
__FILE__, __LINE__, strerror(errno)); \
exit(EXIT_FAILURE); \
} \
})
/*Die on error. Print the error and exit if the return value of the previous function is -1*/
#define errorCheck(ret) \
({ \
if (ret < 0) { \
fprintf(stderr, "Error at File %s line number %d : %s.\n", \
__FILE__, __LINE__, strerror(errno)); \
exit(EXIT_FAILURE); \
} \
})
typedef struct {
char chr_name[MAX_CHR_NAME]; //name of chromosome
int64_t chr_len; //length of the chromosome in bases
int64_t chr_len_no_N; //length of the chromosome in bases (no N bases)
} chr_data_t;
//compare function for descending sort
int32_t cmpfunc(const void* a, const void* b) {
chr_data_t* A = (chr_data_t*)a;
chr_data_t* B = (chr_data_t*)b;
return ((B->chr_len_no_N) - (A->chr_len_no_N));
}
//find the index of the minimum value in an array
int32_t minimum_index(int64_t* list, int32_t listsize) {
int64_t minimum = INT64_MAX;
int32_t min_index = -1;
int32_t j;
for (j = 0; j < listsize; j++) {
if (list[j] < minimum) {
min_index = j;
minimum = list[j];
}
}
assert(min_index >= 0);
return min_index;
}
//find to which part a certain chromosome(chr_name) is belonging to
//in theory performance can be improved using a hash_table
//however a genome does not contain millions of chromosomes, so for the moment O(n^2) method
int32_t belong_to_which_part(char* chr_name, chr_data_t chr_per_part[][MAX_CHR],
int32_t* numchr_per_part) {
int32_t i, j;
for (i = 0; i < NUM_PARTS; i++) {
for (j = 0; j < numchr_per_part[i]; j++) {
if (strcmp(chr_per_part[i][j].chr_name, chr_name) == 0) {
return i;
}
}
}
assert(0);
return -1;
}
int main(int argc, char** argv) {
if (argc != 3) {
fprintf(stderr, "Usage : %s <reference.fa> <num_parts>\n", argv[0]);
fprintf(stderr, "reference.fa - path to the fasta file containing the "
"reference genome");
fprintf(stderr, "num_parts - number of partitions in the index");
fprintf(stderr, "Example : $0 hg19.fa 4");
exit(EXIT_FAILURE);
}
//open the fasta
FILE* fasta = fopen(argv[1], "r");
errorCheckNULL(fasta);
//number of parts
NUM_PARTS = atoi(argv[2]);
if (NUM_PARTS < 2) {
fprintf(stderr, "ERROR : Number of partitions should be equal or "
"greater than 2.\n");
exit(EXIT_FAILURE);
}
//for getline
size_t bufferSize = 1000;
char* buffer = (char*)malloc(sizeof(char) * bufferSize);
errorCheckNULL(buffer);
size_t readlinebytes = 0;
int32_t num_chr = 0; //keep track of number of chromosomes in the fasta
chr_data_t theGenome[MAX_CHR]; //information for the whole genome
//variables for current chromosome being processed
int64_t chr_len = 0;
int64_t chr_len_no_N = 0;
char chr_name[MAX_CHR_NAME];
/*********************** Read through the fast a and collect stats ******************************************/
//can be made faster by reading an fasta.fai index if needed
if (verbose >= 1) {
fprintf(stderr, "INFO : Collecting chromosome stats.\n");
}
while (1) {
readlinebytes = getline(&buffer, &bufferSize, fasta);
if (readlinebytes == -1) { //EOF
if (num_chr !=
0) { //should save the data for the previous chromosome
theGenome[num_chr - 1].chr_len = chr_len;
theGenome[num_chr - 1].chr_len_no_N = chr_len_no_N;
strcpy(theGenome[num_chr - 1].chr_name, chr_name);
if (verbose >= 2) {
fprintf(stderr, "Parsed %s.\n",
theGenome[num_chr - 1].chr_name);
}
}
break;
}
if (readlinebytes == 0) {
fprintf(stderr, "ERROR : We read nothing. Something is wrong in "
"the fasta file.\n");
exit(EXIT_FAILURE);
}
//a new chromosome
if (buffer[0] == '>') {
if (num_chr !=
0) { //if not the first chromosome in the file, save the data of the previous chromosome that was processed
theGenome[num_chr - 1].chr_len = chr_len;
theGenome[num_chr - 1].chr_len_no_N = chr_len_no_N;
strcpy(theGenome[num_chr - 1].chr_name, chr_name);
if (verbose >= 2) {
fprintf(stderr, "Parsed %s.\n",
theGenome[num_chr - 1].chr_name);
}
}
num_chr++;
//reset lengths for the new chromosome
chr_len = 0;
chr_len_no_N = 0;
if (readlinebytes - 1 > MAX_CHR_NAME) {
fprintf(stderr,
"ERROR : Chromosome name (plus comments) is too larger "
"than the hard coded value, Increase "
"MAX_CHR_NAME in the code.\n");
exit(EXIT_FAILURE);
}
strcpy(
chr_name,
&buffer
[1]); //copy the chromosome name except the ">". In theory only the chr name is needed and the other comments can be removed (for efficiency)
if (chr_name[strlen(chr_name) - 1] == '\n' ||
chr_name[strlen(chr_name) - 1] ==
'\r') { //unix and mac os newline style
chr_name[strlen(chr_name) - 1] = '\0';
} else {
fprintf(stderr, "ERROR : New line character should be either "
"'\n' or '\r'.\n");
exit(EXIT_FAILURE);
;
}
if (chr_name[strlen(chr_name) - 2] == '\r') { //windows new lines
chr_name[strlen(chr_name) - 2] = '\0';
}
if (num_chr > MAX_CHR) {
fprintf(stderr, "ERROR : Too many chromosomes than the hard "
"coded value, Increase MAX_CHR in the code.\n");
exit(EXIT_FAILURE);
}
}
//going through the chromosome
else {
int32_t i = 0;
//go through all bases
for (i = 0; i < readlinebytes; i++) {
if (buffer[i] == 'A' || buffer[i] == 'C' || buffer[i] == 'G' ||
buffer[i] == 'T' || buffer[i] == 'a' || buffer[i] == 'c' ||
buffer[i] == 'g' || buffer[i] == 't') {
chr_len++;
chr_len_no_N++;
} else if (buffer[i] == 'R' || buffer[i] == 'Y' ||
buffer[i] == 'K' || buffer[i] == 'M' ||
buffer[i] == 'S' || buffer[i] == 'W' ||
buffer[i] == 'B' || buffer[i] == 'D' ||
buffer[i] == 'H' || buffer[i] == 'V' ||
buffer[i] == 'r' || buffer[i] == 'y' ||
buffer[i] == 'k' || buffer[i] == 'm' ||
buffer[i] == 's' || buffer[i] == 'w' ||
buffer[i] == 'b' || buffer[i] == 'd' ||
buffer[i] == 'h' || buffer[i] == 'v') {
chr_len++;
chr_len_no_N++;
} else if (buffer[i] == 'N' || buffer[i] == 'n') {
chr_len++;
} else if (buffer[i] == '\n' || buffer[i] == '\r' ||
buffer[i] == '\0') {
} else {
fprintf(stderr,
"WARNING : Invalid character found in %s : '%c'.\n",
chr_name, buffer[i]);
chr_len++;
}
}
}
}
fclose(fasta);
int64_t sum = 0;
if (verbose >= 1) {
fprintf(stderr, "INFO : %d chromosomes parsed.\n", num_chr);
}
if (print_fasta_stat) {
//print stats
FILE* stat = fopen(FASTA_STAT, "w");
errorCheckNULL(stat);
fprintf(stat, "chromosome_name,chromosome_length_with_N,chromosome_"
"length_without_N)\n");
int32_t i;
for (i = 0; i < num_chr; i++) {
fprintf(stat, "\"%s\",%ld,%ld\n", theGenome[i].chr_name,
theGenome[i].chr_len, theGenome[i].chr_len_no_N);
sum += theGenome[i].chr_len_no_N;
}
fclose(stat);
}
//sort based on lengths
//long per_part = sum/NUM_PARTS;
qsort(theGenome, num_chr, sizeof(chr_data_t), cmpfunc);
//for(i=0;i<num_chr;i++){
// fprintf (stderr,"\"%s\",%ld,%ld\n",theGenome[i].chr_name, theGenome[i].chr_len, theGenome[i].chr_len_no_N);
//}
/*********************** Now do the partitioning******************************************/
if (verbose >= 1) {
fprintf(stderr, "INFO : Determining partitions.\n");
}
chr_data_t chr_per_part
[NUM_PARTS]
[MAX_CHR]; //per each part we need to store the chromosomes to be processed
int32_t numchr_per_part[NUM_PARTS]; //number of chromosomes for each part
int64_t length_per_part
[NUM_PARTS]; //the total length of chromosomes (no N) for each part
int32_t i;
for (i = 0; i < NUM_PARTS; i++) {
numchr_per_part[i] = 0;
length_per_part[i] = 0;
}
int32_t j;
int32_t min_index = 0;
//go through all the chromosomes
//add the current chromosome to the list with lowest sum
for (i = 0; i < num_chr; i++) {
min_index = minimum_index(length_per_part, NUM_PARTS);
chr_per_part[min_index][numchr_per_part[min_index]] = theGenome[i];
numchr_per_part[min_index]++;
length_per_part[min_index] += theGenome[i].chr_len_no_N;
}
char filename[1024];
//print the stats for each part
for (i = 0; i < NUM_PARTS; i++) {
sprintf(filename, PARTITION_STAT, i);
FILE* stat = fopen(filename, "w");
errorCheckNULL(stat);
fprintf(stat, "chromosome_name,chromosome_length_with_N,chromosome_"
"length_without_N\n");
for (j = 0; j < numchr_per_part[i]; j++) {
fprintf(stat, "%s,%ld,%ld\n", chr_per_part[i][j].chr_name,
chr_per_part[i][j].chr_len,
chr_per_part[i][j].chr_len_no_N);
}
fclose(stat);
if (verbose >= 1) {
fprintf(stderr,
"INFO : Partition %d - %d chromosomes (%ld non-ambiguous "
"bases). See %s.\n",
i, numchr_per_part[i], length_per_part[i], filename);
}
}
/*********************** Now write the fastas for each part******************************************/
if (verbose >= 1) {
fprintf(stderr, "INFO : Writing partitions.\n");
}
fasta = fopen(argv[1], "r");
errorCheckNULL(fasta);
FILE* outputs[NUM_PARTS];
for (i = 0; i < NUM_PARTS; i++) {
sprintf(filename, OUTPUT_FILE_FORMAT, i);
outputs[i] = fopen(filename, "w");
errorCheckNULL(outputs[i]);
}
int32_t part_index = -1;
//read each line of the input file
while (1) {
readlinebytes = getline(&buffer, &bufferSize, fasta);
if (readlinebytes == -1) {
break;
}
if (readlinebytes == 0) {
fprintf(stderr, "ERROR : We read nothing. Something is wrong in "
"the fasta file.\n");
exit(EXIT_FAILURE);
}
if (buffer[0] == '>') {
if (readlinebytes - 1 > MAX_CHR_NAME) {
fprintf(stderr, "ERROR : Chromosome name too large, Increase "
"MAX_CHR_NAME.\n");
exit(EXIT_FAILURE);
}
strcpy(chr_name, &buffer[1]);
if (chr_name[strlen(chr_name) - 1] == '\n' ||
chr_name[strlen(chr_name) - 1] ==
'\r') { //unix and mac newline style
chr_name[strlen(chr_name) - 1] = '\0';
} else {
fprintf(stderr, "ERROR : New line character should be either "
"'\n' or '\r'.\n");
exit(EXIT_FAILURE);
;
}
if (chr_name[strlen(chr_name) - 2] == '\r') { //windows new lines
chr_name[strlen(chr_name) - 2] = '\0';
}
//find to which part this chromosome must be allocated to
part_index =
belong_to_which_part(chr_name, chr_per_part, numchr_per_part);
fprintf(outputs[part_index], "%s", buffer);
if (verbose >= 2) {
fprintf(stderr, "Writing chromosome %s to partition %d.\n",
chr_name, part_index);
}
} else {
//write to the correct file
fprintf(outputs[part_index], "%s", buffer);
}
}
for (i = 0; i < NUM_PARTS; i++) {
fclose(outputs[i]);
}
fclose(fasta);
free(buffer);
if (verbose >= 1) {
fprintf(stderr, "INFO : Done.\n");
}
return 0;
}
|
the_stack_data/1178353.c | /* This test is part of GDB, the GNU debugger.
Copyright 2017-2020 Free Software Foundation, Inc.
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 3 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <stdlib.h>
int __thread foo = 0xdeadbeef;
static void *
thread_proc (void *arg)
{
abort ();
return arg;
}
int
main (void)
{
pthread_t thread;
pthread_create (&thread, NULL, thread_proc, NULL);
pthread_join (thread, NULL);
return 0;
}
|
the_stack_data/82950683.c | #include <stdio.h>
int main (int argc, char* argv[]) {
int a;
scanf("%d", &a);
printf("%d\n", a * 10);
return 0;
}
|
the_stack_data/1216632.c | #include <stdio.h>
#include <string.h>
int main()
{
char str[] = "HOUSE";
int len = strlen(str);
for(int i = len - 1; i >= 0; i--) {
for(int j = 0; j <= i; j++)
printf("%c ", str[j]);
printf("\n");
}
return 0;
}
|
the_stack_data/29275.c | #include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <netinet/in.h>
int main(int argc, char *argv[]) {
int s;
struct addrinfo hints, *res;
getaddrinfo("www.baidu.com", "http", &hints, &res);
} |
the_stack_data/106082.c | #include <stdio.h>
int main(){
int vetor1[10], vetor2[10], soma[10];
for (int i = 0; i < 10; i++)
{
printf("Digite um valor para o primeiro vetor: ");
scanf("%d", &vetor1[i]);
printf("Digite um valor para o segundo vetor: ");
scanf("%d", &vetor2[i]);
soma[i] = vetor1[i] + vetor2[i];
}
for (int i = 0; i < 10; i++)
{
printf("%d\n", soma[i]);
}
} |
the_stack_data/834718.c | int start() {
int x = 5;
int z = x +5;
return 0xF;
}
|
the_stack_data/1019964.c | /*
TUTORIAL 6 Question 1:
In this question, we will be implementing a string subtraction algorithm. The program will prompt the user to enter a random number of characters between 6 and 10 followed by another random number of characters between 3 and 5. The program will then remove the second string from the first string if it exists within it. Example runs of the program are shown below:
Enter 9 characters: abcdefghi
Enter 4 characters: defg
Phrase: abcdefghi
Remove: defg
Result: abchi
Enter 6 characters: abcdef
Enter 5 characters: tests
Phrase: abcdef
Remove: tests
Result: abcdef
Enter 8 characters: abcdefgh
Enter 4 characters: abcd
Phrase: abcdefgh
Remove: abcd
Result: efgh
*/ |
the_stack_data/480445.c | /** @file
* Copyright (c) 2020, Arm Limited or its affiliates. All rights reserved.
* SPDX-License-Identifier : Apache-2.0
*
* Licensed 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 RESET_PROTOCOL
#include "val_interface.h"
#include "val_reset.h"
static RESET_INFO_s g_reset_info_table;
/**
@brief This API is called from app layer to execute reset domain tests
@param none
@return test execution result
**/
uint32_t val_reset_execute_tests(void)
{
uint32_t version = 0;
val_memset((void *)&g_reset_info_table, 0, sizeof(g_reset_info_table));
if (val_agent_check_protocol_support(PROTOCOL_RESET)) {
if (RUN_TEST(reset_query_protocol_version(&version)))
return VAL_STATUS_FAIL;
RUN_TEST(reset_query_protocol_attributes());
RUN_TEST(reset_query_mandatory_command_support());
RUN_TEST(reset_invalid_messageid_call());
RUN_TEST(reset_query_domain_attributes());
RUN_TEST(reset_query_domain_attributes_invalid_id());
RUN_TEST(reset_query_reset_command_invalid_id());
RUN_TEST(reset_query_reset_command_invalid_flag());
RUN_TEST(reset_query_reset_command_invalid_reset_state());
RUN_TEST(reset_query_notify_invalid_id());
RUN_TEST(reset_query_invalid_notify_enable());
}
else
val_print(VAL_PRINT_ERR, "\n Calling agent have no access to RESET protocol");
return VAL_STATUS_PASS;
}
/**
@brief This API is used to set reset protocol info
1. Caller - Test Suite.
2. Prerequisite - Reset protocol info table.
@param param_identifier id of parameter which will be set
@param param_value value of parameter
@return none
**/
void val_reset_save_info(uint32_t param_identifier, uint32_t domain_id, uint32_t param_value)
{
switch (param_identifier)
{
case NUM_RESET_DOMAINS:
g_reset_info_table.num_domains = param_value;
break;
case RESET_ASYNC_SUPPORT:
g_reset_info_table.domain_info[domain_id].async_support =
param_value;
break;
case RESET_NOTIFY_SUPPORT:
g_reset_info_table.domain_info[domain_id].notify_support =
param_value;
break;
default:
val_print(VAL_PRINT_ERR, "\nUnidentified parameter %d", param_identifier);
}
}
/**
@brief This API is used to get reset protocol info
1. Caller - Test Suite.
2. Prerequisite - Reset protocol info table.
@param param_identifier id of parameter which will be set
@return param_value value of the parameter
**/
uint32_t val_reset_get_info(uint32_t param_identifier, uint32_t domain_id)
{
uint32_t param_value = 0;
switch (param_identifier)
{
case NUM_RESET_DOMAINS:
param_value = g_reset_info_table.num_domains;
break;
case RESET_ASYNC_SUPPORT:
param_value = g_reset_info_table.domain_info[domain_id].async_support;
break;
case RESET_NOTIFY_SUPPORT:
param_value = g_reset_info_table.domain_info[domain_id].notify_support;
break;
default:
val_print(VAL_PRINT_ERR, "\nUnidentified parameter %d", param_identifier);
}
return param_value;
}
/**
@brief This API is used for checking num of reset domain
@param none
@return num of reset domain
**/
uint32_t val_reset_get_expected_num_domains(void)
{
return pal_reset_get_expected_num_domains();
}
/**
@brief This API is used for checking reset domain name
@param domain id
@return reset domain name
**/
uint8_t *val_reset_get_expected_name(uint32_t domain_id)
{
return pal_reset_get_expected_name(domain_id);
}
#endif
|
the_stack_data/109094.c | /* Calculates the number of digits in an integer */
#include <stdio.h>
int main(void)
{
int digits = 0, n;
printf("Enter a nonnegative integer: ");
scanf_s("%d", &n);
do {
n /= 10;
digits++;
} while (n > 0);
printf("The number has %d digit(s).\n", digits);
return 0;
}
|
the_stack_data/31387099.c | // +------------------------------------------------------------------+
// | ____ _ _ __ __ _ __ |
// | / ___| |__ ___ ___| | __ | \/ | |/ / |
// | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
// | | |___| | | | __/ (__| < | | | | . \ |
// | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
// | |
// | Copyright Mathias Kettner 2014 [email protected] |
// +------------------------------------------------------------------+
//
// This file is part of Check_MK.
// The official homepage is at http://mathias-kettner.de/check_mk.
//
// check_mk 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 in version 2. check_mk is distributed
// in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
// out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
// PARTICULAR PURPOSE. See the GNU General Public License for more de-
// ails. You should have received a copy of the GNU General Public
// License along with GNU Make; see the file COPYING. If not, write
// to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
// Boston, MA 02110-1301 USA.
#include <errno.h>
#include <getopt.h>
#include <signal.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
static pid_t g_pid = 0;
static int g_timeout = 0;
static int g_signum = SIGTERM;
static void out(const char *buf) {
size_t bytes_to_write = strlen(buf);
while (bytes_to_write > 0) {
ssize_t written = write(STDERR_FILENO, buf, bytes_to_write);
if (written == -1) {
if (errno == EINTR) continue;
return;
}
buf += written;
bytes_to_write -= written;
}
}
static void exit_with(const char *message, int err, int status) {
out(message);
if (err != 0) {
out(": ");
out(strerror(errno));
}
out("\n");
exit(status);
}
static void version() {
exit_with(
"waitmax version 1.1\n"
"Copyright Mathias Kettner 2008\n"
"This is free software; see the source for copying conditions. "
"There is NO\n"
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR "
"PURPOSE.",
0, 0);
}
static void usage(int status) {
exit_with(
"Usage: waitmax [-s SIGNUM] MAXTIME PROGRAM [ARGS...]\n"
"\n"
"Execute PROGRAM as a subprocess. If PROGRAM does not exit before "
"MAXTIME\n"
"seconds, it will be killed with SIGTERM or an alternative signal.\n"
"\n"
" -s, --signal SIGNUM kill with SIGNUM on timeout\n"
" -h, --help this help\n"
" -V, --version show version an exit\n",
0, status);
}
static void kill_group(pid_t pid, int signum) {
/* The child might have become a process group leader itself, so send the
signal directly to it. */
kill(pid, signum);
/* Guard against harakiri... */
signal(signum, SIG_IGN);
/* Send the signal to all processes in our fresh process group. */
kill(0, signum);
}
static void signalhandler(int signum) {
if (signum == SIGALRM) {
/* The child took too long, so remember that we timed out and send the
configured signal instead of SIGALRM. */
g_timeout = 1;
signum = g_signum;
}
/* Are we the child process or has the child not been execvp'd yet? */
if (g_pid == 0) exit(signum + 128);
/* Send the configure signal to our process group. */
kill_group(g_pid, signum);
/* Make sure the children actually react on the signal. */
if (signum != SIGKILL && signum != SIGCONT) kill_group(g_pid, SIGCONT);
}
static void setup_signal_handlers() {
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_handler = signalhandler;
sa.sa_flags = SA_RESTART; /* just to be sure... */
sigaction(g_signum, &sa, NULL);
sigaction(SIGALRM, &sa, NULL);
sigaction(SIGHUP, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
/* Guard against a background child doing I/O on the tty. */
sa.sa_handler = SIG_IGN;
sigaction(SIGTTIN, &sa, NULL);
sigaction(SIGTTOU, &sa, NULL);
/* Make sure that waitpid won't fail. */
sa.sa_handler = SIG_DFL;
sigaction(SIGCHLD, &sa, NULL);
}
static void unblock_signal(int signum) {
sigset_t signals_to_unblock;
sigemptyset(&signals_to_unblock);
sigaddset(&signals_to_unblock, signum);
if (sigprocmask(SIG_UNBLOCK, &signals_to_unblock, NULL) == -1)
exit_with("sigprocmask failed", errno, 1);
}
static struct option long_options[] = {{"version", no_argument, 0, 'V'},
{"help", no_argument, 0, 'h'},
{"signal", required_argument, 0, 's'},
{0, 0, 0, 0}};
int main(int argc, char **argv) {
/* Note: setenv calls malloc, and 'diet' warns about that. */
if (getenv("POSIXLY_CORRECT") == NULL) putenv("POSIXLY_CORRECT=true");
int ret;
while ((ret = getopt_long(argc, argv, "Vhs:", long_options, NULL)) != -1) {
switch (ret) {
case 'V':
version();
break;
case 'h':
usage(0);
break;
case 's':
g_signum = atoi(optarg);
if (g_signum < 1 || g_signum > 32)
exit_with("Signalnumber must be between 1 and 32.", 0, 1);
break;
default:
usage(1);
break;
}
}
if (optind + 1 >= argc) usage(1);
int maxtime = atoi(argv[optind]);
if (maxtime <= 0) usage(1);
/* Create a new process group with ourselves as the process group
leader. This way we can send a signal to all subprocesses later (unless
some non-direct descendant creates its own process group). Doing this in
the parent process already simplifies things, because we don't have to
worry about foreground/background groups then. */
setpgid(0, 0);
/* Setting up signal handlers before forking avoids race conditions with the
child. */
setup_signal_handlers();
g_pid = fork();
if (g_pid == -1) exit_with("fork() failed", errno, 1);
if (g_pid == 0) {
/* Restore tty behavior in the child. */
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART; /* just to be sure... */
sa.sa_handler = SIG_DFL;
sigaction(SIGTTIN, &sa, NULL);
sigaction(SIGTTOU, &sa, NULL);
execvp(argv[optind + 1], argv + optind + 1);
exit_with(argv[optind + 1], errno, 253);
}
/* Make sure SIGALRM is not blocked (e.g. by parent). */
unblock_signal(SIGALRM);
alarm(maxtime);
int status;
while (waitpid(g_pid, &status, 0) == -1) {
if (errno != EINTR) exit_with("waitpid() failed", errno, 1);
}
if (WIFEXITED(status)) return WEXITSTATUS(status);
if (WIFSIGNALED(status)) return g_timeout ? 255 : 128 + WTERMSIG(status);
exit_with("Program did neither exit nor was signalled.", 0, 254);
return 0; /* Make GCC happy. */
}
|
the_stack_data/26263.c | // The program given in the Hackerrank was failing in one case and thus I wrote a new one.
#include <stdio.h>
void print_reverse(int* arr, int n) {
n--;
for(int i = n; i > -1; i--)
printf("%d ", arr[i]);
}
int main() {
int n;
scanf("%d", &n);
int arr[n];
for(int i = 0; i < n; i++) {
scanf("%d ", &arr[i]);
}
print_reverse(arr, n);
return 0;
} |
the_stack_data/175143962.c |
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- */
/* Plugin declarations */
const char * variables = "library module author description url";
const char * functions =
"boot halt grow_seq grow_rnd hit_seq hit_rnd miss_seq miss_rnd delete_seq delete_rnd replace_seq replace_rnd kbench";
/* Plugin definitions */
const char * library = "GNU C++ Library";
const char * module = "std::unordered_map";
const char * author = "Silicon Graphics Computer Systems, Inc.";
const char * description = "C++ Standard Template Library";
const char * url = "http://www.cplusplus.com/reference/unordered_map/unordered_map";
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- */
|
the_stack_data/237643965.c | /// Test that -malign-branch* and -mbranches-within-32B-boundaries are parsed and converted to MC options.
/// Test -malign-branch-boundary=
// RUN: %clang -target x86_64 -malign-branch-boundary=16 %s -c -### 2>&1 | FileCheck %s --check-prefix=BOUNDARY
// BOUNDARY: "-mllvm" "-x86-align-branch-boundary=16"
// RUN: %clang -target x86_64-unknown-linux -malign-branch-boundary=16 -flto %s -### 2>&1 | FileCheck %s --check-prefix=BOUNDARY-LTO
// BOUNDARY-LTO: "-plugin-opt=-x86-align-branch-boundary=16"
// RUN: %clang -target x86_64 -malign-branch-boundary=8 %s -c -### 2>&1 | FileCheck %s --check-prefix=BOUNDARY-ERR
// RUN: %clang -target x86_64 -malign-branch-boundary=15 %s -c -### 2>&1 | FileCheck %s --check-prefix=BOUNDARY-ERR
// BOUNDARY-ERR: invalid argument {{.*}} to -malign-branch-boundary=
/// Test -malign-branch=
// RUN: %clang -target x86_64 -malign-branch=fused,jcc,jmp %s -c -### %s 2>&1 | FileCheck %s --check-prefix=TYPE0
// TYPE0: "-mllvm" "-x86-align-branch=fused+jcc+jmp"
// RUN: %clang -target x86_64 -malign-branch=fused,jcc,jmp,ret,call,indirect %s -c -### %s 2>&1 | FileCheck %s --check-prefix=TYPE1
// TYPE1: "-mllvm" "-x86-align-branch=fused+jcc+jmp+ret+call+indirect"
// RUN: %clang -target x86_64-unknown-linux -malign-branch=fused,jcc,jmp -flto %s -### %s 2>&1 | FileCheck %s --check-prefix=TYPE0-LTO
// TYPE0-LTO: "-plugin-opt=-x86-align-branch=fused+jcc+jmp"
// RUN: %clang -target x86_64 -malign-branch=fused,foo,bar %s -c -### %s 2>&1 | FileCheck %s --check-prefix=TYPE-ERR
// TYPE-ERR: invalid argument 'foo' to -malign-branch=; each element must be one of: fused, jcc, jmp, call, ret, indirect
// TYPE-ERR: invalid argument 'bar' to -malign-branch=; each element must be one of: fused, jcc, jmp, call, ret, indirect
/// Test -mpad-max-prefix-size=
// RUN: %clang -target x86_64 -mpad-max-prefix-size=0 %s -c -### 2>&1 | FileCheck %s --check-prefix=PREFIX-0
// PREFIX-0: "-mllvm" "-x86-pad-max-prefix-size=0"
// RUN: %clang -target x86_64 -mpad-max-prefix-size=15 %s -c -### 2>&1 | FileCheck %s --check-prefix=PREFIX-15
// PREFIX-15: "-mllvm" "-x86-pad-max-prefix-size=15"
// RUN: %clang -target x86_64-unknown-linux -mpad-max-prefix-size=0 -flto %s -### 2>&1 | FileCheck %s --check-prefix=PREFIX-0-LTO
// PREFIX-0-LTO: "-plugin-opt=-x86-pad-max-prefix-size=0"
/// Test -mbranches-within-32B-boundaries
// RUN: %clang -target x86_64 -mbranches-within-32B-boundaries %s -c -### 2>&1 | FileCheck %s --check-prefix=32B
// 32B: "-mllvm" "-x86-branches-within-32B-boundaries"
// RUN: %clang -target x86_64-unknown-linux -mbranches-within-32B-boundaries -flto %s -### 2>&1 | FileCheck %s --check-prefix=32B-LTO
// 32B-LTO: "-plugin-opt=-x86-branches-within-32B-boundaries"
/// Unsupported on other targets.
// RUN: %clang -target aarch64 -malign-branch=jmp %s -c -### 2>&1 | FileCheck --check-prefix=UNUSED %s
// RUN: %clang -target aarch64 -malign-branch-boundary=7 %s -c -### 2>&1 | FileCheck --check-prefix=UNUSED %s
// RUN: %clang -target aarch64 -mpad-max-prefix-size=15 %s -c -### 2>&1 | FileCheck --check-prefix=UNUSED %s
// RUN: %clang -target aarch64 -mbranches-within-32B-boundaries %s -c -### 2>&1 | FileCheck --check-prefix=UNUSED %s
// UNUSED: warning: argument unused
|
the_stack_data/1016972.c | #include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <string.h>
int main(int argc, char **argv)
{
if (argc != 2) {
fprintf(stderr, "Usage: %s hostname\n",
argv[1]);
exit(1);
}
struct addrinfo *answer, hint, *curr;
char ipstr[16] = {0};
bzero(&hint, sizeof(hint));
hint.ai_family = AF_INET;
hint.ai_socktype = SOCK_STREAM;
int ret = getaddrinfo(argv[1], NULL, &hint, &answer);
if (ret != 0) {
fprintf(stderr,"getaddrinfo: &s\n",
gai_strerror(ret));
exit(1);
}
for (curr = answer; curr != NULL; curr = curr->ai_next) {
inet_ntop(AF_INET,
&(((struct sockaddr_in *)(curr->ai_addr))->sin_addr),
ipstr, 16);
printf("%s\n", ipstr);
}
freeaddrinfo(answer);
exit(0);
}
|
the_stack_data/1177345.c |
#include <stdio.h>
void scilab_rt_champ_d2i2i2i2d0i2_(int in00, int in01, double matrixin0[in00][in01],
int in10, int in11, int matrixin1[in10][in11],
int in20, int in21, int matrixin2[in20][in21],
int in30, int in31, int matrixin3[in30][in31],
double scalarin0,
int in40, int in41, int matrixin4[in40][in41])
{
int i;
int j;
double val0 = 0;
int val1 = 0;
int val2 = 0;
int val3 = 0;
int val4 = 0;
for (i = 0; i < in00; ++i) {
for (j = 0; j < in01; ++j) {
val0 += matrixin0[i][j];
}
}
printf("%f", val0);
for (i = 0; i < in10; ++i) {
for (j = 0; j < in11; ++j) {
val1 += matrixin1[i][j];
}
}
printf("%d", val1);
for (i = 0; i < in20; ++i) {
for (j = 0; j < in21; ++j) {
val2 += matrixin2[i][j];
}
}
printf("%d", val2);
for (i = 0; i < in30; ++i) {
for (j = 0; j < in31; ++j) {
val3 += matrixin3[i][j];
}
}
printf("%d", val3);
printf("%f", scalarin0);
for (i = 0; i < in40; ++i) {
for (j = 0; j < in41; ++j) {
val4 += matrixin4[i][j];
}
}
printf("%d", val4);
}
|
the_stack_data/25137171.c | /*
* From: http://svn.python.org/projects/stackless/trunk/Misc/
* */
/*
Template for a setuid program that calls a script.
The script should be in an unwritable directory and should itself
be unwritable. In fact all parent directories up to the root
should be unwritable. The script must not be setuid, that's what
this program is for.
This is a template program. You need to fill in the name of the
script that must be executed. This is done by changing the
definition of FULL_PATH below.
There are also some rules that should be adhered to when writing
the script itself.
The first and most important rule is to never, ever trust that the
user of the program will behave properly. Program defensively.
Check your arguments for reasonableness. If the user is allowed to
create files, check the names of the files. If the program depends
on argv[0] for the action it should perform, check it.
Assuming the script is a Bourne shell script, the first line of the
script should be
#!/bin/sh -
The - is important, don't omit it. If you're using esh, the first
line should be
#!/usr/local/bin/esh -f
and for ksh, the first line should be
#!/usr/local/bin/ksh -p
The script should then set the variable IFS to the string
consisting of <space>, <tab>, and <newline>. After this (*not*
before!), the PATH variable should be set to a reasonable value and
exported. Do not expect the PATH to have a reasonable value, so do
not trust the old value of PATH. You should then set the umask of
the program by calling
umask 077 # or 022 if you want the files to be readable
If you plan to change directories, you should either unset CDPATH
or set it to a good value. Setting CDPATH to just ``.'' (dot) is a
good idea.
If, for some reason, you want to use csh, the first line should be
#!/bin/csh -fb
You should then set the path variable to something reasonable,
without trusting the inherited path. Here too, you should set the
umask using the command
umask 077 # or 022 if you want the files to be readable
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
/* CONFIGURATION SECTION */
#ifndef FULL_PATH /* so that this can be specified from the Makefile */
#define FULL_PATH "/usr/bin/pybacklight.py"
#endif
#ifndef UMASK
#define UMASK 077
#endif
/* END OF CONFIGURATION SECTION */
#if defined(__STDC__) && defined(__sgi)
#define environ _environ
#endif
/* don't change def_IFS */
char def_IFS[] = "IFS= \t\n";
/* you may want to change def_PATH, but you should really change it in */
/* your script */
#ifdef __sgi
char def_PATH[] = "PATH=/usr/bsd:/usr/bin:/bin:/usr/local/bin:/usr/sbin";
#else
char def_PATH[] = "PATH=/usr/ucb:/usr/bin:/bin:/usr/local/bin";
#endif
/* don't change def_CDPATH */
char def_CDPATH[] = "CDPATH=.";
/* don't change def_ENV */
char def_ENV[] = "ENV=:";
/*
This function changes all environment variables that start with LD_
into variables that start with XD_. This is important since we
don't want the script that is executed to use any funny shared
libraries.
The other changes to the environment are, strictly speaking, not
needed here. They can safely be done in the script. They are done
here because we don't trust the script writer (just like the script
writer shouldn't trust the user of the script).
If IFS is set in the environment, set it to space,tab,newline.
If CDPATH is set in the environment, set it to ``.''.
Set PATH to a reasonable default.
*/
void
clean_environ(void)
{
char **p;
extern char **environ;
for (p = environ; *p; p++) {
if (strncmp(*p, "LD_", 3) == 0)
**p = 'X';
else if (strncmp(*p, "_RLD", 4) == 0)
**p = 'X';
else if (strncmp(*p, "PYTHON", 6) == 0)
**p = 'X';
else if (strncmp(*p, "IFS=", 4) == 0)
*p = def_IFS;
else if (strncmp(*p, "CDPATH=", 7) == 0)
*p = def_CDPATH;
else if (strncmp(*p, "ENV=", 4) == 0)
*p = def_ENV;
}
putenv(def_PATH);
}
int
main(int argc, char **argv)
{
struct stat statb;
gid_t egid = getegid();
uid_t euid = geteuid();
/*
Sanity check #1.
This check should be made compile-time, but that's not possible.
If you're sure that you specified a full path name for FULL_PATH,
you can omit this check.
*/
if (FULL_PATH[0] != '/') {
fprintf(stderr, "%s: %s is not a full path name\n", argv[0],
FULL_PATH);
fprintf(stderr, "You can only use this wrapper if you\n");
fprintf(stderr, "compile it with an absolute path.\n");
exit(1);
}
/*
Sanity check #2.
Check that the owner of the script is equal to either the
effective uid or the super user.
*/
if (stat(FULL_PATH, &statb) < 0) {
perror("stat");
exit(1);
}
if (statb.st_uid != 0 && statb.st_uid != euid) {
fprintf(stderr, "%s: %s has the wrong owner\n", argv[0],
FULL_PATH);
fprintf(stderr, "The script should be owned by root,\n");
fprintf(stderr, "and shouldn't be writeable by anyone.\n");
exit(1);
}
if (setregid(egid, egid) < 0)
perror("setregid");
if (setreuid(euid, euid) < 0)
perror("setreuid");
clean_environ();
umask(UMASK);
while (**argv == '-') /* don't let argv[0] start with '-' */
(*argv)++;
execv(FULL_PATH, argv);
fprintf(stderr, "%s: could not execute the script\n", argv[0]);
exit(1);
}
|
the_stack_data/248580694.c | /*
URI Online Judge | 1962
A Long, Long Time Ago
By M.C. Pinto, UNILA BR Brazil
https://www.urionlinejudge.com.br/judge/en/problems/view/1962
Timelimit: 1
Raul Seixas sang that he was born 10 thousand years ago and there was nothing in this world that he cannot know too much. The Mamomas Assassinas band sang that more than 10 thousand years "have gone by and passed" [sic] since they have failed at 5th grade. So many past events and professor MC was curious about what year each of these have happened.
You must write a program that, given a series of how many years have passed, show, for each number, in what year the event had happened. Remember that you must indicate if it had happened BC (Before Christ) or AD (Anno Domini). Use the portuguese A.C. for BC and D.C. for AD according to the output sample.
Input
The input has several lines. The first one has a positive integer number N (1 ≤ N ≤ 100000). There are N lines after the first one. Each of these N lines has a single non negative integer T, which indicates how many years have passed until 2015 AD (0 ≤ T < 231).
Output
The output has N lines. In each one there is the year A in which the correspondent time T had happened. Look at the sample output.
@author Marcos Lima
@profile https://www.urionlinejudge.com.br/judge/pt/profile/242402
@status Accepted
@language C (gcc 4.8.5, -O2 -lm) [+0s]
@time 0.020s
@size 277 Bytes
@submission 12/28/19, 8:05:25 PM
*/
#include <stdio.h>
int main()
{
unsigned int n, x;
scanf("%d", &n);
while (n--) {
scanf("%d", &x);
if(x > 2014)
printf("%d A.C.\n", x - 2014);
else
printf("%d D.C.\n", 2015 - x);
}
return 0;
} |
the_stack_data/156391967.c | /* Transformers in the second loop nest are wrong: 0==-1 is always
returned when they are recomputed after privatization
If the first loop nest is commented out, the problem
disappears. But the second loop nest does not seem to be involved,
or at least, there is a bug even with one loop nest.
Initializations have been shortened to ease debugging
*/
int main ()
{
int i = 0, j = 0;
//float x = 2.12;
float b[10][10];
for (i = 0; i < 10; i++) {
for (j = 0; j < 10; j++) {
b[i][j] = 0.0;
}
}
return 0;
}
|
the_stack_data/23575725.c | #include <stdio.h>
int main(int argc, char* argv[]){
printf("The even numbers between 1 and 50 are: ");
for (int i = 1; i <= 50; i++){
if (i % 2 == 0)
printf("%d ", i);
}
printf("\n");
return 0;
} |
the_stack_data/117250.c | #include <stdio.h>
#include <stdlib.h>
int main()
{
int age;
age=0;
printf("Please enter your Age.\n");
scanf("%d",&age);
//check coditions
if(age<=10){
printf(":Your are a child because your age is 10years or Below!\n");
}else if(age<=20){
printf(":Your are a Teenager because your age is between 10years and 20years!\n");
}else if(age<=35){
printf(":Your are an udult because your age is between 21years and 35years!\n");
}else{
printf("You are now old enjoy life in christ\n");
}
return 0;
} |
the_stack_data/130516.c | #include <stdio.h>
int main(void)
{
int i, j;
for (i = 5, j = i - 1; i > 0, j > 0; --i, j = i - 1) {
printf("%d ", i);
}
return 0;
}
|
the_stack_data/150142605.c | #include <stdlib.h>
#include <stdio.h>
#include <string.h>
int main(int argc, const char* argv[])
{
// if there is no arguments passed, just get data from stdin
if(argc == 1)
{
FILE *fp = stdin;
size_t c, last;
while ((c = getc(fp)) != EOF)
{
// downcase character if it needs to be
if(c >= 65 && c <= 90)
c+=32;
// if the current character is between a-z
if(c > 96 && c <= 122)
{
// if the last char is between a-z, upcase the current char
if(last > 96 && last <= 122)
c -=32;
last = c;
}
printf("%c", c);
}
return 0;
} else if( (strcmp(argv[1], "-h") == 0) || (strcmp(argv[1], "--help")) == 0)
{
printf("usage: %s 'some text you want to mock'\r\n", argv[0]);
return 0;
}
size_t total_str_len = argc-2;
size_t i, j, pos;
// Check the total length of all the arguments.
for(i = 1; i < argc; i++)
total_str_len+= strlen(argv[i]);
// create a new string that long
char str[total_str_len + 1];
pos = 0;
// copy all the args into that long string
for(i = 1; i < argc; i++)
{
j = 0;
while(argv[i][j] > 0)
{
str[pos] = argv[i][j];
// downcase the character if it was upcased
if(str[pos] >= 65 && str[pos] <= 90)
str[pos]+=32;
// if the current character is between a-z
if(str[pos] > 96 && str[pos] <= 122)
{
// if the last char is between a-z, upcase it
if(str[pos-1] > 96 && str[pos-1] <= 122)
str[pos] = str[pos] - 32;
}
j++; pos++;
}
str[pos++] = 32;
}
// add a null terminator at the end for good luck
str[pos++] = '\0';
// print the str
printf("%s", str);
return 0;
} |
the_stack_data/279731.c |
/********************** Practice Test 3 - Problem 22 *********************
Topic: Working with files
Answer: See code for count_characters
*************************************************************************/
#include <stdio.h>
#include <string.h>
int count_characters(char *filename);
int main() {
char *filename;
filename = "text_p16.txt";
printf("The number of character in %s is %d.", filename, count_characters(filename));
return 0;
}
int count_characters(char *filename)
{
char str[1001];
FILE* pFile;
int count = 0;
pFile = fopen(filename, "r");
if (pFile == NULL) {
printf("Error opening file\n");
return 0;
}
int call_num = 0;
while(fgets(str, 1000, pFile) != NULL) {
call_num += 1;
printf("(%d). The string is: %sIts length is %d\n\n", call_num, str, strlen(str));
count += strlen(str);
}
fclose(pFile);
return count;
}
/******** Output ***********
> ./a.exe
(1). The string is Anthony,2,15,1997
Its length is 18
(2). The string is Erika,7,31,1999
Its length is 16
(3). The string is Joseph,9,28,2001
Its length is 17
The number of character in text_p16.txt is 51.
*****************************************************/ |
the_stack_data/212642602.c | #include<stdio.h>
int main(){
int i, n;
printf("enter value of n: ");
scanf("%d", &n);
char a[n];
for(int i=0; i<n; i++){
getchar();
printf("enter character: ");
scanf("%c", &a[i]);
}
getchar();
char ch, f=0;
printf("enter character to be searched: ");
scanf("%c", &ch);
for(i=0; i<n; i++){
if(ch==a[i]){
f=1;
break;
}
}
if(f)
printf("character was found at index: %d", i);
else
printf("character was not found");
return 0;
} |
the_stack_data/156393434.c | /*
** 2016-12-17
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
**
** This program is designed for fuzz-testing SQLite database files.
**
** This program reads fuzzed database files from the disk files named
** on the command-line. Each database is loaded into an in-memory
** filesystem so that the original database file is unmolested.
**
** The fuzzed database is then opened, and series of SQL statements
** are run against the database to ensure that SQLite can safely handle
** the fuzzed database.
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#define ISSPACE(X) isspace((unsigned char)(X))
#define ISDIGIT(X) isdigit((unsigned char)(X))
#include "sqlite3.h"
#ifdef __unix__
# include <signal.h>
# include <unistd.h>
#endif
/*
** Print sketchy documentation for this utility program
*/
static void showHelp(const char *zArgv0){
printf("Usage: %s [options] DATABASE ...\n", zArgv0);
printf(
"Read databases into an in-memory filesystem. Run test SQL as specified\n"
"by command-line arguments or from\n"
"\n"
" SELECT group_concat(sql) FROM autoexec;\n"
"\n"
"Options:\n"
" --help Show this help text\n"
" -q|--quiet Reduced output\n"
" --limit-mem N Limit memory used by test SQLite instances to N bytes\n"
" --limit-vdbe Panic if any test runs for more than 100,000 cycles\n"
" --no-lookaside Disable the lookaside memory allocator\n"
" --timeout N Timeout after N seconds.\n"
" --trace Show the results of each SQL command\n"
" -v|--verbose Increased output. Repeat for more output.\n"
);
exit(0);
}
/*
** Print an error message and quit.
*/
static void fatalError(const char *zFormat, ...){
va_list ap;
va_start(ap, zFormat);
vfprintf(stderr, zFormat, ap);
va_end(ap);
fprintf(stderr, "\n");
exit(1);
}
/*
** Files in the virtual file system.
*/
typedef struct VFile VFile;
typedef struct VHandle VHandle;
struct VFile {
char *zFilename; /* Filename. NULL for delete-on-close. From malloc() */
int sz; /* Size of the file in bytes */
int nRef; /* Number of references to this file */
unsigned char *a; /* Content of the file. From malloc() */
};
struct VHandle {
sqlite3_file base; /* Base class. Must be first */
VFile *pVFile; /* The underlying file */
};
/*
** Maximum number of files in the in-memory virtual filesystem.
*/
#define MX_FILE 10
/*
** Maximum allowed file size
*/
#define MX_FILE_SZ 1000000
/*
** All global variables are gathered into the "g" singleton.
*/
static struct GlobalVars {
VFile aFile[MX_FILE]; /* The virtual filesystem */
} g;
/*
** Initialize the virtual file system.
*/
static void formatVfs(void){
int i;
for(i=0; i<MX_FILE; i++){
g.aFile[i].sz = -1;
g.aFile[i].zFilename = 0;
g.aFile[i].a = 0;
g.aFile[i].nRef = 0;
}
}
/*
** Erase all information in the virtual file system.
*/
static void reformatVfs(void){
int i;
for(i=0; i<MX_FILE; i++){
if( g.aFile[i].sz<0 ) continue;
if( g.aFile[i].zFilename ){
free(g.aFile[i].zFilename);
g.aFile[i].zFilename = 0;
}
if( g.aFile[i].nRef>0 ){
fatalError("file %d still open. nRef=%d", i, g.aFile[i].nRef);
}
g.aFile[i].sz = -1;
free(g.aFile[i].a);
g.aFile[i].a = 0;
g.aFile[i].nRef = 0;
}
}
/*
** Find a VFile by name
*/
static VFile *findVFile(const char *zName){
int i;
if( zName==0 ) return 0;
for(i=0; i<MX_FILE; i++){
if( g.aFile[i].zFilename==0 ) continue;
if( strcmp(g.aFile[i].zFilename, zName)==0 ) return &g.aFile[i];
}
return 0;
}
/*
** Find a VFile called zName. Initialize it to the content of
** disk file zDiskFile.
**
** Return NULL if the filesystem is full.
*/
static VFile *createVFile(const char *zName, const char *zDiskFile){
VFile *pNew = findVFile(zName);
int i;
FILE *in = 0;
long sz = 0;
if( pNew ) return pNew;
for(i=0; i<MX_FILE && g.aFile[i].sz>=0; i++){}
if( i>=MX_FILE ) return 0;
if( zDiskFile ){
in = fopen(zDiskFile, "rb");
if( in==0 ) fatalError("no such file: \"%s\"", zDiskFile);
fseek(in, 0, SEEK_END);
sz = ftell(in);
rewind(in);
}
pNew = &g.aFile[i];
if( zName ){
int nName = (int)strlen(zName)+1;
pNew->zFilename = malloc(nName);
if( pNew->zFilename==0 ){
if( in ) fclose(in);
return 0;
}
memcpy(pNew->zFilename, zName, nName);
}else{
pNew->zFilename = 0;
}
pNew->nRef = 0;
pNew->sz = sz;
pNew->a = malloc(sz);
if( sz>0 ){
if( pNew->a==0 || fread(pNew->a, sz, 1, in)<1 ){
free(pNew->zFilename);
free(pNew->a);
pNew->a = 0;
pNew->zFilename = 0;
pNew->sz = -1;
pNew = 0;
}
}
if( in ) fclose(in);
return pNew;
}
/* Methods for the VHandle object
*/
static int inmemClose(sqlite3_file *pFile){
VHandle *p = (VHandle*)pFile;
VFile *pVFile = p->pVFile;
pVFile->nRef--;
if( pVFile->nRef==0 && pVFile->zFilename==0 ){
pVFile->sz = -1;
free(pVFile->a);
pVFile->a = 0;
}
return SQLITE_OK;
}
static int inmemRead(
sqlite3_file *pFile, /* Read from this open file */
void *pData, /* Store content in this buffer */
int iAmt, /* Bytes of content */
sqlite3_int64 iOfst /* Start reading here */
){
VHandle *pHandle = (VHandle*)pFile;
VFile *pVFile = pHandle->pVFile;
if( iOfst<0 || iOfst>=pVFile->sz ){
memset(pData, 0, iAmt);
return SQLITE_IOERR_SHORT_READ;
}
if( iOfst+iAmt>pVFile->sz ){
memset(pData, 0, iAmt);
iAmt = (int)(pVFile->sz - iOfst);
memcpy(pData, pVFile->a, iAmt);
return SQLITE_IOERR_SHORT_READ;
}
memcpy(pData, pVFile->a + iOfst, iAmt);
return SQLITE_OK;
}
static int inmemWrite(
sqlite3_file *pFile, /* Write to this file */
const void *pData, /* Content to write */
int iAmt, /* bytes to write */
sqlite3_int64 iOfst /* Start writing here */
){
VHandle *pHandle = (VHandle*)pFile;
VFile *pVFile = pHandle->pVFile;
if( iOfst+iAmt > pVFile->sz ){
unsigned char *aNew;
if( iOfst+iAmt >= MX_FILE_SZ ){
return SQLITE_FULL;
}
aNew = realloc(pVFile->a, (int)(iOfst+iAmt));
if( aNew==0 ){
return SQLITE_FULL;
}
pVFile->a = aNew;
if( iOfst > pVFile->sz ){
memset(pVFile->a + pVFile->sz, 0, (int)(iOfst - pVFile->sz));
}
pVFile->sz = (int)(iOfst + iAmt);
}
memcpy(pVFile->a + iOfst, pData, iAmt);
return SQLITE_OK;
}
static int inmemTruncate(sqlite3_file *pFile, sqlite3_int64 iSize){
VHandle *pHandle = (VHandle*)pFile;
VFile *pVFile = pHandle->pVFile;
if( pVFile->sz>iSize && iSize>=0 ) pVFile->sz = (int)iSize;
return SQLITE_OK;
}
static int inmemSync(sqlite3_file *pFile, int flags){
return SQLITE_OK;
}
static int inmemFileSize(sqlite3_file *pFile, sqlite3_int64 *pSize){
*pSize = ((VHandle*)pFile)->pVFile->sz;
return SQLITE_OK;
}
static int inmemLock(sqlite3_file *pFile, int type){
return SQLITE_OK;
}
static int inmemUnlock(sqlite3_file *pFile, int type){
return SQLITE_OK;
}
static int inmemCheckReservedLock(sqlite3_file *pFile, int *pOut){
*pOut = 0;
return SQLITE_OK;
}
static int inmemFileControl(sqlite3_file *pFile, int op, void *pArg){
return SQLITE_NOTFOUND;
}
static int inmemSectorSize(sqlite3_file *pFile){
return 512;
}
static int inmemDeviceCharacteristics(sqlite3_file *pFile){
return
SQLITE_IOCAP_SAFE_APPEND |
SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN |
SQLITE_IOCAP_POWERSAFE_OVERWRITE;
}
/* Method table for VHandle
*/
static sqlite3_io_methods VHandleMethods = {
/* iVersion */ 1,
/* xClose */ inmemClose,
/* xRead */ inmemRead,
/* xWrite */ inmemWrite,
/* xTruncate */ inmemTruncate,
/* xSync */ inmemSync,
/* xFileSize */ inmemFileSize,
/* xLock */ inmemLock,
/* xUnlock */ inmemUnlock,
/* xCheck... */ inmemCheckReservedLock,
/* xFileCtrl */ inmemFileControl,
/* xSectorSz */ inmemSectorSize,
/* xDevchar */ inmemDeviceCharacteristics,
/* xShmMap */ 0,
/* xShmLock */ 0,
/* xShmBarrier */ 0,
/* xShmUnmap */ 0,
/* xFetch */ 0,
/* xUnfetch */ 0
};
/*
** Open a new file in the inmem VFS. All files are anonymous and are
** delete-on-close.
*/
static int inmemOpen(
sqlite3_vfs *pVfs,
const char *zFilename,
sqlite3_file *pFile,
int openFlags,
int *pOutFlags
){
VFile *pVFile = createVFile(zFilename, 0);
VHandle *pHandle = (VHandle*)pFile;
if( pVFile==0 ){
return SQLITE_FULL;
}
pHandle->pVFile = pVFile;
pVFile->nRef++;
pFile->pMethods = &VHandleMethods;
if( pOutFlags ) *pOutFlags = openFlags;
return SQLITE_OK;
}
/*
** Delete a file by name
*/
static int inmemDelete(
sqlite3_vfs *pVfs,
const char *zFilename,
int syncdir
){
VFile *pVFile = findVFile(zFilename);
if( pVFile==0 ) return SQLITE_OK;
if( pVFile->nRef==0 ){
free(pVFile->zFilename);
pVFile->zFilename = 0;
pVFile->sz = -1;
free(pVFile->a);
pVFile->a = 0;
return SQLITE_OK;
}
return SQLITE_IOERR_DELETE;
}
/* Check for the existance of a file
*/
static int inmemAccess(
sqlite3_vfs *pVfs,
const char *zFilename,
int flags,
int *pResOut
){
VFile *pVFile = findVFile(zFilename);
*pResOut = pVFile!=0;
return SQLITE_OK;
}
/* Get the canonical pathname for a file
*/
static int inmemFullPathname(
sqlite3_vfs *pVfs,
const char *zFilename,
int nOut,
char *zOut
){
sqlite3_snprintf(nOut, zOut, "%s", zFilename);
return SQLITE_OK;
}
/*
** Register the VFS that reads from the g.aFile[] set of files.
*/
static void inmemVfsRegister(void){
static sqlite3_vfs inmemVfs;
sqlite3_vfs *pDefault = sqlite3_vfs_find(0);
inmemVfs.iVersion = 3;
inmemVfs.szOsFile = sizeof(VHandle);
inmemVfs.mxPathname = 200;
inmemVfs.zName = "inmem";
inmemVfs.xOpen = inmemOpen;
inmemVfs.xDelete = inmemDelete;
inmemVfs.xAccess = inmemAccess;
inmemVfs.xFullPathname = inmemFullPathname;
inmemVfs.xRandomness = pDefault->xRandomness;
inmemVfs.xSleep = pDefault->xSleep;
inmemVfs.xCurrentTimeInt64 = pDefault->xCurrentTimeInt64;
sqlite3_vfs_register(&inmemVfs, 0);
};
/*
** Timeout handler
*/
#ifdef __unix__
static void timeoutHandler(int NotUsed){
(void)NotUsed;
fatalError("timeout\n");
}
#endif
/*
** Set the an alarm to go off after N seconds. Disable the alarm
** if N==0
*/
static void setAlarm(int N){
#ifdef __unix__
alarm(N);
#else
(void)N;
#endif
}
/***************************************************************************
** String accumulator object
*/
typedef struct Str Str;
struct Str {
char *z; /* The string. Memory from malloc() */
sqlite3_uint64 n; /* Bytes of input used */
sqlite3_uint64 nAlloc; /* Bytes allocated to z[] */
int oomErr; /* OOM error has been seen */
};
/* Initialize a Str object */
static void StrInit(Str *p){
memset(p, 0, sizeof(*p));
}
/* Append text to the end of a Str object */
static void StrAppend(Str *p, const char *z){
sqlite3_uint64 n = strlen(z);
if( p->n + n >= p->nAlloc ){
char *zNew;
sqlite3_uint64 nNew;
if( p->oomErr ) return;
nNew = p->nAlloc*2 + 100 + n;
zNew = sqlite3_realloc64(p->z, nNew);
if( zNew==0 ){
sqlite3_free(p->z);
memset(p, 0, sizeof(*p));
p->oomErr = 1;
return;
}
p->z = zNew;
p->nAlloc = nNew;
}
memcpy(p->z + p->n, z, (int)n);
p->n += n;
p->z[p->n] = 0;
}
/* Return the current string content */
static char *StrStr(Str *p){
return p->z;
}
/* Free the string */
static void StrFree(Str *p){
sqlite3_free(p->z);
StrInit(p);
}
/*
** Return the value of a hexadecimal digit. Return -1 if the input
** is not a hex digit.
*/
static int hexDigitValue(char c){
if( c>='0' && c<='9' ) return c - '0';
if( c>='a' && c<='f' ) return c - 'a' + 10;
if( c>='A' && c<='F' ) return c - 'A' + 10;
return -1;
}
/*
** Interpret zArg as an integer value, possibly with suffixes.
*/
static int integerValue(const char *zArg){
sqlite3_int64 v = 0;
static const struct { char *zSuffix; int iMult; } aMult[] = {
{ "KiB", 1024 },
{ "MiB", 1024*1024 },
{ "GiB", 1024*1024*1024 },
{ "KB", 1000 },
{ "MB", 1000000 },
{ "GB", 1000000000 },
{ "K", 1000 },
{ "M", 1000000 },
{ "G", 1000000000 },
};
int i;
int isNeg = 0;
if( zArg[0]=='-' ){
isNeg = 1;
zArg++;
}else if( zArg[0]=='+' ){
zArg++;
}
if( zArg[0]=='0' && zArg[1]=='x' ){
int x;
zArg += 2;
while( (x = hexDigitValue(zArg[0]))>=0 ){
v = (v<<4) + x;
zArg++;
}
}else{
while( ISDIGIT(zArg[0]) ){
v = v*10 + zArg[0] - '0';
zArg++;
}
}
for(i=0; i<sizeof(aMult)/sizeof(aMult[0]); i++){
if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){
v *= aMult[i].iMult;
break;
}
}
if( v>0x7fffffff ) fatalError("parameter too large - max 2147483648");
return (int)(isNeg? -v : v);
}
/*
** This callback is invoked by sqlite3_log().
*/
static void sqlLog(void *pNotUsed, int iErrCode, const char *zMsg){
printf("LOG: (%d) %s\n", iErrCode, zMsg);
fflush(stdout);
}
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
/*
** This an SQL progress handler. After an SQL statement has run for
** many steps, we want to interrupt it. This guards against infinite
** loops from recursive common table expressions.
**
** *pVdbeLimitFlag is true if the --limit-vdbe command-line option is used.
** In that case, hitting the progress handler is a fatal error.
*/
static int progressHandler(void *pVdbeLimitFlag){
if( *(int*)pVdbeLimitFlag ) fatalError("too many VDBE cycles");
return 1;
}
#endif
/*
** Allowed values for the runFlags parameter to runSql()
*/
#define SQL_TRACE 0x0001 /* Print each SQL statement as it is prepared */
#define SQL_OUTPUT 0x0002 /* Show the SQL output */
/*
** Run multiple commands of SQL. Similar to sqlite3_exec(), but does not
** stop if an error is encountered.
*/
static void runSql(sqlite3 *db, const char *zSql, unsigned runFlags){
const char *zMore;
const char *zEnd = &zSql[strlen(zSql)];
sqlite3_stmt *pStmt;
while( zSql && zSql[0] ){
zMore = 0;
pStmt = 0;
sqlite3_prepare_v2(db, zSql, -1, &pStmt, &zMore);
assert( zMore<=zEnd );
if( zMore==zSql ) break;
if( runFlags & SQL_TRACE ){
const char *z = zSql;
int n;
while( z<zMore && ISSPACE(z[0]) ) z++;
n = (int)(zMore - z);
while( n>0 && ISSPACE(z[n-1]) ) n--;
if( n==0 ) break;
if( pStmt==0 ){
printf("TRACE: %.*s (error: %s)\n", n, z, sqlite3_errmsg(db));
}else{
printf("TRACE: %.*s\n", n, z);
}
}
zSql = zMore;
if( pStmt ){
if( (runFlags & SQL_OUTPUT)==0 ){
while( SQLITE_ROW==sqlite3_step(pStmt) ){}
}else{
int nCol = -1;
int nRow;
for(nRow=0; SQLITE_ROW==sqlite3_step(pStmt); nRow++){
int i;
if( nCol<0 ){
nCol = sqlite3_column_count(pStmt);
}
for(i=0; i<nCol; i++){
int eType = sqlite3_column_type(pStmt,i);
printf("ROW[%d].%s = ", nRow, sqlite3_column_name(pStmt,i));
switch( eType ){
case SQLITE_NULL: {
printf("NULL\n");
break;
}
case SQLITE_INTEGER: {
printf("INT %s\n", sqlite3_column_text(pStmt,i));
break;
}
case SQLITE_FLOAT: {
printf("FLOAT %s\n", sqlite3_column_text(pStmt,i));
break;
}
case SQLITE_TEXT: {
printf("TEXT [%s]\n", sqlite3_column_text(pStmt,i));
break;
}
case SQLITE_BLOB: {
printf("BLOB (%d bytes)\n", sqlite3_column_bytes(pStmt,i));
break;
}
}
}
}
}
sqlite3_finalize(pStmt);
}
}
}
int main(int argc, const char **argv){
int i; /* Loop counter */
int nDb = 0; /* Number of databases to fuzz */
const char **azDb = 0; /* Names of the databases (limit: 20) */
int verboseFlag = 0; /* True for extra output */
int noLookaside = 0; /* Disable lookaside if true */
int vdbeLimitFlag = 0; /* Stop after 100,000 VDBE ops */
int nHeap = 0; /* True for fixed heap size */
int iTimeout = 0; /* Timeout delay in seconds */
int rc; /* Result code from SQLite3 API calls */
sqlite3 *db; /* The database connection */
sqlite3_stmt *pStmt; /* A single SQL statement */
Str sql; /* SQL to run */
unsigned runFlags = 0; /* Flags passed to runSql */
for(i=1; i<argc; i++){
const char *z = argv[i];
if( z[0]!='-' ){
azDb = realloc((void *)azDb, sizeof(azDb[0])*(nDb+1));
if( azDb==0 ) fatalError("out of memory");
azDb[nDb++] = z;
continue;
}
z++;
if( z[0]=='-' ) z++;
if( strcmp(z, "help")==0 ){
showHelp(argv[0]);
}else if( strcmp(z, "limit-mem")==0 ){
if( i==argc-1 ) fatalError("missing argument to %s", argv[i]);
nHeap = integerValue(argv[++i]);
}else if( strcmp(z, "no-lookaside")==0 ){
noLookaside = 1;
}else if( strcmp(z, "timeout")==0 ){
if( i==argc-1 ) fatalError("missing argument to %s", argv[i]);
iTimeout = integerValue(argv[++i]);
}else if( strcmp(z, "trace")==0 ){
runFlags |= SQL_OUTPUT|SQL_TRACE;
}else if( strcmp(z, "limit-vdbe")==0 ){
vdbeLimitFlag = 1;
}else if( strcmp(z, "v")==0 || strcmp(z, "verbose")==0 ){
verboseFlag = 1;
runFlags |= SQL_TRACE;
}else{
fatalError("unknown command-line option: \"%s\"\n", argv[i]);
}
}
if( nDb==0 ){
showHelp(argv[0]);
}
if( verboseFlag ){
sqlite3_config(SQLITE_CONFIG_LOG, sqlLog);
}
if( nHeap>0 ){
void *pHeap = malloc( nHeap );
if( pHeap==0 ) fatalError("cannot allocate %d-byte heap\n", nHeap);
rc = sqlite3_config(SQLITE_CONFIG_HEAP, pHeap, nHeap, 32);
if( rc ) fatalError("heap configuration failed: %d\n", rc);
}
if( noLookaside ){
sqlite3_config(SQLITE_CONFIG_LOOKASIDE, 0, 0);
}
inmemVfsRegister();
formatVfs();
StrInit(&sql);
#ifdef __unix__
signal(SIGALRM, timeoutHandler);
#endif
for(i=0; i<nDb; i++){
if( verboseFlag && nDb>1 ){
printf("DATABASE-FILE: %s\n", azDb[i]);
fflush(stdout);
}
if( iTimeout ) setAlarm(iTimeout);
createVFile("test.db", azDb[i]);
rc = sqlite3_open_v2("test.db", &db, SQLITE_OPEN_READWRITE, "inmem");
if( rc ){
printf("cannot open test.db for \"%s\"\n", azDb[i]);
reformatVfs();
continue;
}
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
if( vdbeLimitFlag ){
sqlite3_progress_handler(db, 100000, progressHandler, &vdbeLimitFlag);
}
#endif
rc = sqlite3_prepare_v2(db, "SELECT sql FROM autoexec", -1, &pStmt, 0);
if( rc==SQLITE_OK ){
while( SQLITE_ROW==sqlite3_step(pStmt) ){
StrAppend(&sql, (const char*)sqlite3_column_text(pStmt, 0));
StrAppend(&sql, "\n");
}
}
sqlite3_finalize(pStmt);
StrAppend(&sql, "PRAGMA integrity_check;\n");
runSql(db, StrStr(&sql), runFlags);
sqlite3_close(db);
reformatVfs();
StrFree(&sql);
if( sqlite3_memory_used()>0 ){
free((void *)azDb);
reformatVfs();
fatalError("memory leak of %lld bytes", sqlite3_memory_used());
}
}
StrFree(&sql);
reformatVfs();
return 0;
}
|
the_stack_data/87637991.c | #include <assert.h>
int main() {
int i=0x0102;
char *p=(char *)&i;
// printf("Bytes of i: %d, %d, %d, %d\n",
// p[0], p[1], p[2], p[3]);
printf("Bytes of i: %d, %d\n", p[0], p[1]);
assert(p[0]==0);
assert(p[1]==0);
// assert(0);
}
|
the_stack_data/1102518.c | /* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_recursive_factorial.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: juolivei <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/10/16 15:53:46 by juolivei #+# #+# */
/* Updated: 2019/10/16 16:04:17 by juolivei ### ########.fr */
/* */
/* ************************************************************************** */
int ft_recursive_factorial(int nb)
{
if (nb < 0)
return (0);
else if (nb == 0)
return (1);
else if (nb == 1)
nb = 1;
else
nb = nb * ft_recursive_factorial(nb - 1);
return (nb);
}
|
the_stack_data/132845.c |
/*----------------------------------------------------------------------------
| This file intentionally contains no code.
*----------------------------------------------------------------------------*/
|
the_stack_data/220455397.c | // KASAN: use-after-free Write in nf_nat_cleanup_conntrack
// https://syzkaller.appspot.com/bug?id=28202be85f2a0dffa52efe56baf00d1dda7fb5b8
// status:open
// autogenerated by syzkaller (http://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <errno.h>
#include <errno.h>
#include <errno.h>
#include <fcntl.h>
#include <fcntl.h>
#include <linux/capability.h>
#include <linux/futex.h>
#include <linux/if.h>
#include <linux/if_ether.h>
#include <linux/if_tun.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <net/if_arp.h>
#include <pthread.h>
#include <sched.h>
#include <signal.h>
#include <signal.h>
#include <stdarg.h>
#include <stdarg.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
__attribute__((noreturn)) static void doexit(int status)
{
volatile unsigned i;
syscall(__NR_exit_group, status);
for (i = 0;; i++) {
}
}
#include <errno.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
const int kFailStatus = 67;
const int kRetryStatus = 69;
static void fail(const char* msg, ...)
{
int e = errno;
va_list args;
va_start(args, msg);
vfprintf(stderr, msg, args);
va_end(args);
fprintf(stderr, " (errno %d)\n", e);
doexit((e == ENOMEM || e == EAGAIN) ? kRetryStatus : kFailStatus);
}
static void exitf(const char* msg, ...)
{
int e = errno;
va_list args;
va_start(args, msg);
vfprintf(stderr, msg, args);
va_end(args);
fprintf(stderr, " (errno %d)\n", e);
doexit(kRetryStatus);
}
static uint64_t current_time_ms()
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
fail("clock_gettime failed");
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void use_temporary_dir()
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
fail("failed to mkdtemp");
if (chmod(tmpdir, 0777))
fail("failed to chmod");
if (chdir(tmpdir))
fail("failed to chdir");
}
static void vsnprintf_check(char* str, size_t size, const char* format,
va_list args)
{
int rv;
rv = vsnprintf(str, size, format, args);
if (rv < 0)
fail("tun: snprintf failed");
if ((size_t)rv >= size)
fail("tun: string '%s...' doesn't fit into buffer", str);
}
#define COMMAND_MAX_LEN 128
#define PATH_PREFIX \
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin "
#define PATH_PREFIX_LEN (sizeof(PATH_PREFIX) - 1)
static void execute_command(bool panic, const char* format, ...)
{
va_list args;
char command[PATH_PREFIX_LEN + COMMAND_MAX_LEN];
int rv;
va_start(args, format);
memcpy(command, PATH_PREFIX, PATH_PREFIX_LEN);
vsnprintf_check(command + PATH_PREFIX_LEN, COMMAND_MAX_LEN, format, args);
va_end(args);
rv = system(command);
if (rv) {
if (panic)
fail("command '%s' failed: %d", &command[0], rv);
}
}
#define DEV_IPV4 "172.20.20.%d"
#define DEV_IPV6 "fe80::%02hx"
#define DEV_MAC "aa:aa:aa:aa:aa:%02hx"
static void snprintf_check(char* str, size_t size, const char* format, ...)
{
va_list args;
va_start(args, format);
vsnprintf_check(str, size, format, args);
va_end(args);
}
static void initialize_netdevices(void)
{
unsigned i;
const char* devtypes[] = {"ip6gretap", "bridge", "vcan", "bond", "team"};
const char* devnames[] = {"lo",
"sit0",
"bridge0",
"vcan0",
"tunl0",
"gre0",
"gretap0",
"ip_vti0",
"ip6_vti0",
"ip6tnl0",
"ip6gre0",
"ip6gretap0",
"erspan0",
"bond0",
"veth0",
"veth1",
"team0",
"veth0_to_bridge",
"veth1_to_bridge",
"veth0_to_bond",
"veth1_to_bond",
"veth0_to_team",
"veth1_to_team"};
const char* devmasters[] = {"bridge", "bond", "team"};
for (i = 0; i < sizeof(devtypes) / (sizeof(devtypes[0])); i++)
execute_command(0, "ip link add dev %s0 type %s", devtypes[i], devtypes[i]);
execute_command(0, "ip link add type veth");
for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) {
execute_command(
0, "ip link add name %s_slave_0 type veth peer name veth0_to_%s",
devmasters[i], devmasters[i]);
execute_command(
0, "ip link add name %s_slave_1 type veth peer name veth1_to_%s",
devmasters[i], devmasters[i]);
execute_command(0, "ip link set %s_slave_0 master %s0", devmasters[i],
devmasters[i]);
execute_command(0, "ip link set %s_slave_1 master %s0", devmasters[i],
devmasters[i]);
execute_command(0, "ip link set veth0_to_%s up", devmasters[i]);
execute_command(0, "ip link set veth1_to_%s up", devmasters[i]);
}
execute_command(0, "ip link set bridge_slave_0 up");
execute_command(0, "ip link set bridge_slave_1 up");
for (i = 0; i < sizeof(devnames) / (sizeof(devnames[0])); i++) {
char addr[32];
snprintf_check(addr, sizeof(addr), DEV_IPV4, i + 10);
execute_command(0, "ip -4 addr add %s/24 dev %s", addr, devnames[i]);
snprintf_check(addr, sizeof(addr), DEV_IPV6, i + 10);
execute_command(0, "ip -6 addr add %s/120 dev %s", addr, devnames[i]);
snprintf_check(addr, sizeof(addr), DEV_MAC, i + 10);
execute_command(0, "ip link set dev %s address %s", devnames[i], addr);
execute_command(0, "ip link set dev %s up", devnames[i]);
}
}
static bool write_file(const char* file, const char* what, ...)
{
char buf[1024];
va_list args;
va_start(args, what);
vsnprintf(buf, sizeof(buf), what, args);
va_end(args);
buf[sizeof(buf) - 1] = 0;
int len = strlen(buf);
int fd = open(file, O_WRONLY | O_CLOEXEC);
if (fd == -1)
return false;
if (write(fd, buf, len) != len) {
int err = errno;
close(fd);
errno = err;
return false;
}
close(fd);
return true;
}
static void loop();
static void sandbox_common()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setsid();
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = 160 << 20;
setrlimit(RLIMIT_AS, &rlim);
rlim.rlim_cur = rlim.rlim_max = 8 << 20;
setrlimit(RLIMIT_MEMLOCK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 136 << 20;
setrlimit(RLIMIT_FSIZE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_STACK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 0;
setrlimit(RLIMIT_CORE, &rlim);
if (unshare(CLONE_NEWNS)) {
}
if (unshare(CLONE_NEWIPC)) {
}
if (unshare(0x02000000)) {
}
if (unshare(CLONE_NEWUTS)) {
}
if (unshare(CLONE_SYSVSEM)) {
}
}
int wait_for_loop(int pid)
{
if (pid < 0)
fail("sandbox fork failed");
int status = 0;
while (waitpid(-1, &status, __WALL) != pid) {
}
return WEXITSTATUS(status);
}
static int real_uid;
static int real_gid;
__attribute__((aligned(64 << 10))) static char sandbox_stack[1 << 20];
static int namespace_sandbox_proc(void* arg)
{
sandbox_common();
write_file("/proc/self/setgroups", "deny");
if (!write_file("/proc/self/uid_map", "0 %d 1\n", real_uid))
fail("write of /proc/self/uid_map failed");
if (!write_file("/proc/self/gid_map", "0 %d 1\n", real_gid))
fail("write of /proc/self/gid_map failed");
if (unshare(CLONE_NEWNET))
fail("unshare(CLONE_NEWNET)");
initialize_netdevices();
if (mkdir("./syz-tmp", 0777))
fail("mkdir(syz-tmp) failed");
if (mount("", "./syz-tmp", "tmpfs", 0, NULL))
fail("mount(tmpfs) failed");
if (mkdir("./syz-tmp/newroot", 0777))
fail("mkdir failed");
if (mkdir("./syz-tmp/newroot/dev", 0700))
fail("mkdir failed");
unsigned mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
if (mount("/dev", "./syz-tmp/newroot/dev", NULL, mount_flags, NULL))
fail("mount(dev) failed");
if (mkdir("./syz-tmp/newroot/proc", 0700))
fail("mkdir failed");
if (mount(NULL, "./syz-tmp/newroot/proc", "proc", 0, NULL))
fail("mount(proc) failed");
if (mkdir("./syz-tmp/newroot/selinux", 0700))
fail("mkdir failed");
const char* selinux_path = "./syz-tmp/newroot/selinux";
if (mount("/selinux", selinux_path, NULL, mount_flags, NULL)) {
if (errno != ENOENT)
fail("mount(/selinux) failed");
if (mount("/sys/fs/selinux", selinux_path, NULL, mount_flags, NULL) &&
errno != ENOENT)
fail("mount(/sys/fs/selinux) failed");
}
if (mkdir("./syz-tmp/newroot/sys", 0700))
fail("mkdir failed");
if (mount(NULL, "./syz-tmp/newroot/sys", "sysfs", 0, NULL))
fail("mount(sysfs) failed");
if (mkdir("./syz-tmp/pivot", 0777))
fail("mkdir failed");
if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) {
if (chdir("./syz-tmp"))
fail("chdir failed");
} else {
if (chdir("/"))
fail("chdir failed");
if (umount2("./pivot", MNT_DETACH))
fail("umount failed");
}
if (chroot("./newroot"))
fail("chroot failed");
if (chdir("/"))
fail("chdir failed");
struct __user_cap_header_struct cap_hdr = {};
struct __user_cap_data_struct cap_data[2] = {};
cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
cap_hdr.pid = getpid();
if (syscall(SYS_capget, &cap_hdr, &cap_data))
fail("capget failed");
cap_data[0].effective &= ~(1 << CAP_SYS_PTRACE);
cap_data[0].permitted &= ~(1 << CAP_SYS_PTRACE);
cap_data[0].inheritable &= ~(1 << CAP_SYS_PTRACE);
if (syscall(SYS_capset, &cap_hdr, &cap_data))
fail("capset failed");
loop();
doexit(1);
}
static int do_sandbox_namespace(void)
{
int pid;
real_uid = getuid();
real_gid = getgid();
mprotect(sandbox_stack, 4096, PROT_NONE);
pid =
clone(namespace_sandbox_proc, &sandbox_stack[sizeof(sandbox_stack) - 64],
CLONE_NEWUSER | CLONE_NEWPID, 0);
return wait_for_loop(pid);
}
static void remove_dir(const char* dir)
{
DIR* dp;
struct dirent* ep;
int iter = 0;
retry:
while (umount2(dir, MNT_DETACH) == 0) {
}
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exitf("opendir(%s) failed due to NOFILE, exiting", dir);
}
exitf("opendir(%s) failed", dir);
}
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
struct stat st;
if (lstat(filename, &st))
exitf("lstat(%s) failed", filename);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exitf("unlink(%s) failed", filename);
if (umount2(filename, MNT_DETACH))
exitf("umount(%s) failed", filename);
}
}
closedir(dp);
int i;
for (i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, MNT_DETACH))
exitf("umount(%s) failed", dir);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exitf("rmdir(%s) failed", dir);
}
}
static void execute_one();
extern unsigned long long procid;
static void loop()
{
int iter;
for (iter = 0;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
fail("failed to mkdir");
int pid = fork();
if (pid < 0)
fail("clone failed");
if (pid == 0) {
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
if (chdir(cwdbuf))
fail("failed to chdir");
execute_one();
doexit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
int res = waitpid(-1, &status, __WALL | WNOHANG);
if (res == pid) {
break;
}
usleep(1000);
if (current_time_ms() - start < 3 * 1000)
continue;
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
while (waitpid(-1, &status, __WALL) != pid) {
}
break;
}
remove_dir(cwdbuf);
}
}
struct thread_t {
int created, running, call;
pthread_t th;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static int collide;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
while (!__atomic_load_n(&th->running, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &th->running, FUTEX_WAIT, 0, 0);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
__atomic_store_n(&th->running, 0, __ATOMIC_RELEASE);
syscall(SYS_futex, &th->running, FUTEX_WAKE);
}
return 0;
}
static void execute(int num_calls)
{
int call, thread;
running = 0;
for (call = 0; call < num_calls; call++) {
for (thread = 0; thread < sizeof(threads) / sizeof(threads[0]); thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
pthread_create(&th->th, &attr, thr, th);
}
if (!__atomic_load_n(&th->running, __ATOMIC_ACQUIRE)) {
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
__atomic_store_n(&th->running, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &th->running, FUTEX_WAKE);
if (collide && call % 2)
break;
struct timespec ts;
ts.tv_sec = 0;
ts.tv_nsec = 20 * 1000 * 1000;
syscall(SYS_futex, &th->running, FUTEX_WAIT, 1, &ts);
if (__atomic_load_n(&running, __ATOMIC_RELAXED))
usleep((call == num_calls - 1) ? 10000 : 1000);
break;
}
}
}
}
uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};
void execute_call(int call)
{
long res;
switch (call) {
case 0:
res = syscall(__NR_socket, 0x11, 3, 0x300);
if (res != -1)
r[0] = res;
break;
case 1:
*(uint16_t*)0x2095bffc = 0;
*(uint8_t*)0x2095bffe = 0;
*(uint8_t*)0x2095bfff = 0xfc;
syscall(__NR_setsockopt, r[0], 0x107, 0x12, 0x2095bffc, 4);
break;
case 2:
res = syscall(__NR_socket, 2, 2, 0);
if (res != -1)
r[1] = res;
break;
case 3:
*(uint32_t*)0x20000200 = 4;
syscall(__NR_setsockopt, r[1], 0, 0xa, 0x20000200, 4);
break;
case 4:
*(uint16_t*)0x20fd9ff0 = 2;
*(uint16_t*)0x20fd9ff2 = htobe16(0x4e20);
*(uint32_t*)0x20fd9ff4 = htobe32(0);
*(uint8_t*)0x20fd9ff8 = 0;
*(uint8_t*)0x20fd9ff9 = 0;
*(uint8_t*)0x20fd9ffa = 0;
*(uint8_t*)0x20fd9ffb = 0;
*(uint8_t*)0x20fd9ffc = 0;
*(uint8_t*)0x20fd9ffd = 0;
*(uint8_t*)0x20fd9ffe = 0;
*(uint8_t*)0x20fd9fff = 0;
syscall(__NR_sendto, r[1], 0x20865000, 0xffe4, 0, 0x20fd9ff0, 0x10);
break;
case 5:
memcpy((void*)0x20000100, "./file1", 8);
syscall(__NR_open, 0x20000100, 0x8040, 0);
break;
case 6:
memcpy((void*)0x20000080, "./file0", 8);
syscall(__NR_creat, 0x20000080, 0);
break;
case 7:
memcpy((void*)0x20000600, "./file0", 8);
memcpy((void*)0x20000640, "./file0", 8);
memcpy((void*)0x20000700, "fuse", 5);
syscall(__NR_mount, 0x20000600, 0x20000640, 0x20000700, 0x9000, 0);
break;
case 8:
memcpy((void*)0x200006c0, "./file0", 8);
memcpy((void*)0x20000100, ".", 1);
memcpy((void*)0x20753000, "mslos", 6);
syscall(__NR_mount, 0x200006c0, 0x20000100, 0x20753000, 0x3002480,
0x20000700);
break;
}
}
void execute_one()
{
execute(9);
collide = 1;
execute(9);
}
int main()
{
syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
char* cwd = get_current_dir_name();
for (;;) {
if (chdir(cwd))
fail("failed to chdir");
use_temporary_dir();
do_sandbox_namespace();
}
}
|
the_stack_data/74378.c | // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --include-generated-funcs
// RUN: %clang_cc1 -fopenmp-enable-irbuilder -verify -fopenmp -fopenmp-version=51 -x c -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// expected-no-diagnostics
// REQUIRES: x86-registered-target
#ifndef HEADER
#define HEADER
double sind(double);
// CHECK-LABEL: define {{.*}}@unroll_partial_heuristic_runtime_for(
// CHECK-NEXT: [[ENTRY:.*]]:
// CHECK-NEXT: %[[N_ADDR:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[A_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[B_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[C_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[D_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[E_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[OFFSET_ADDR:.+]] = alloca float, align 4
// CHECK-NEXT: %[[I:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[AGG_CAPTURED:.+]] = alloca %struct.anon, align 8
// CHECK-NEXT: %[[AGG_CAPTURED1:.+]] = alloca %struct.anon.0, align 4
// CHECK-NEXT: %[[DOTCOUNT_ADDR:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[P_LASTITER:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[P_LOWERBOUND:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[P_UPPERBOUND:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[P_STRIDE:.+]] = alloca i32, align 4
// CHECK-NEXT: store i32 %[[N:.+]], i32* %[[N_ADDR]], align 4
// CHECK-NEXT: store float* %[[A:.+]], float** %[[A_ADDR]], align 8
// CHECK-NEXT: store float* %[[B:.+]], float** %[[B_ADDR]], align 8
// CHECK-NEXT: store float* %[[C:.+]], float** %[[C_ADDR]], align 8
// CHECK-NEXT: store float* %[[D:.+]], float** %[[D_ADDR]], align 8
// CHECK-NEXT: store float* %[[E:.+]], float** %[[E_ADDR]], align 8
// CHECK-NEXT: store float %[[OFFSET:.+]], float* %[[OFFSET_ADDR]], align 4
// CHECK-NEXT: store i32 0, i32* %[[I]], align 4
// CHECK-NEXT: %[[TMP0:.+]] = getelementptr inbounds %struct.anon, %struct.anon* %[[AGG_CAPTURED]], i32 0, i32 0
// CHECK-NEXT: store i32* %[[I]], i32** %[[TMP0]], align 8
// CHECK-NEXT: %[[TMP1:.+]] = getelementptr inbounds %struct.anon, %struct.anon* %[[AGG_CAPTURED]], i32 0, i32 1
// CHECK-NEXT: store i32* %[[N_ADDR]], i32** %[[TMP1]], align 8
// CHECK-NEXT: %[[TMP2:.+]] = getelementptr inbounds %struct.anon.0, %struct.anon.0* %[[AGG_CAPTURED1]], i32 0, i32 0
// CHECK-NEXT: %[[TMP3:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: store i32 %[[TMP3]], i32* %[[TMP2]], align 4
// CHECK-NEXT: call void @__captured_stmt(i32* %[[DOTCOUNT_ADDR]], %struct.anon* %[[AGG_CAPTURED]])
// CHECK-NEXT: %[[DOTCOUNT:.+]] = load i32, i32* %[[DOTCOUNT_ADDR]], align 4
// CHECK-NEXT: br label %[[OMP_LOOP_PREHEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_LOOP_PREHEADER]]:
// CHECK-NEXT: %[[TMP4:.+]] = udiv i32 %[[DOTCOUNT]], 4
// CHECK-NEXT: %[[TMP5:.+]] = urem i32 %[[DOTCOUNT]], 4
// CHECK-NEXT: %[[TMP6:.+]] = icmp ne i32 %[[TMP5]], 0
// CHECK-NEXT: %[[TMP7:.+]] = zext i1 %[[TMP6]] to i32
// CHECK-NEXT: %[[OMP_FLOOR0_TRIPCOUNT:.+]] = add nuw i32 %[[TMP4]], %[[TMP7]]
// CHECK-NEXT: br label %[[OMP_FLOOR0_PREHEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_PREHEADER]]:
// CHECK-NEXT: store i32 0, i32* %[[P_LOWERBOUND]], align 4
// CHECK-NEXT: %[[TMP8:.+]] = sub i32 %[[OMP_FLOOR0_TRIPCOUNT]], 1
// CHECK-NEXT: store i32 %[[TMP8]], i32* %[[P_UPPERBOUND]], align 4
// CHECK-NEXT: store i32 1, i32* %[[P_STRIDE]], align 4
// CHECK-NEXT: %[[OMP_GLOBAL_THREAD_NUM:.+]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @1)
// CHECK-NEXT: call void @__kmpc_for_static_init_4u(%struct.ident_t* @1, i32 %[[OMP_GLOBAL_THREAD_NUM]], i32 34, i32* %[[P_LASTITER]], i32* %[[P_LOWERBOUND]], i32* %[[P_UPPERBOUND]], i32* %[[P_STRIDE]], i32 1, i32 0)
// CHECK-NEXT: %[[TMP9:.+]] = load i32, i32* %[[P_LOWERBOUND]], align 4
// CHECK-NEXT: %[[TMP10:.+]] = load i32, i32* %[[P_UPPERBOUND]], align 4
// CHECK-NEXT: %[[TMP11:.+]] = sub i32 %[[TMP10]], %[[TMP9]]
// CHECK-NEXT: %[[TMP12:.+]] = add i32 %[[TMP11]], 1
// CHECK-NEXT: br label %[[OMP_FLOOR0_HEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_HEADER]]:
// CHECK-NEXT: %[[OMP_FLOOR0_IV:.+]] = phi i32 [ 0, %[[OMP_FLOOR0_PREHEADER]] ], [ %[[OMP_FLOOR0_NEXT:.+]], %[[OMP_FLOOR0_INC:.+]] ]
// CHECK-NEXT: br label %[[OMP_FLOOR0_COND:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_COND]]:
// CHECK-NEXT: %[[OMP_FLOOR0_CMP:.+]] = icmp ult i32 %[[OMP_FLOOR0_IV]], %[[TMP12]]
// CHECK-NEXT: br i1 %[[OMP_FLOOR0_CMP]], label %[[OMP_FLOOR0_BODY:.+]], label %[[OMP_FLOOR0_EXIT:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_BODY]]:
// CHECK-NEXT: %[[TMP13:.+]] = add i32 %[[OMP_FLOOR0_IV]], %[[TMP9]]
// CHECK-NEXT: %[[TMP14:.+]] = icmp eq i32 %[[TMP13]], %[[OMP_FLOOR0_TRIPCOUNT]]
// CHECK-NEXT: %[[TMP15:.+]] = select i1 %[[TMP14]], i32 %[[TMP5]], i32 4
// CHECK-NEXT: br label %[[OMP_TILE0_PREHEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_PREHEADER]]:
// CHECK-NEXT: br label %[[OMP_TILE0_HEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_HEADER]]:
// CHECK-NEXT: %[[OMP_TILE0_IV:.+]] = phi i32 [ 0, %[[OMP_TILE0_PREHEADER]] ], [ %[[OMP_TILE0_NEXT:.+]], %[[OMP_TILE0_INC:.+]] ]
// CHECK-NEXT: br label %[[OMP_TILE0_COND:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_COND]]:
// CHECK-NEXT: %[[OMP_TILE0_CMP:.+]] = icmp ult i32 %[[OMP_TILE0_IV]], %[[TMP15]]
// CHECK-NEXT: br i1 %[[OMP_TILE0_CMP]], label %[[OMP_TILE0_BODY:.+]], label %[[OMP_TILE0_EXIT:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_BODY]]:
// CHECK-NEXT: %[[TMP16:.+]] = mul nuw i32 4, %[[TMP13]]
// CHECK-NEXT: %[[TMP17:.+]] = add nuw i32 %[[TMP16]], %[[OMP_TILE0_IV]]
// CHECK-NEXT: br label %[[OMP_LOOP_BODY:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_LOOP_BODY]]:
// CHECK-NEXT: call void @__captured_stmt.1(i32* %[[I]], i32 %[[TMP17]], %struct.anon.0* %[[AGG_CAPTURED1]])
// CHECK-NEXT: %[[TMP18:.+]] = load float*, float** %[[B_ADDR]], align 8
// CHECK-NEXT: %[[TMP19:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM:.+]] = sext i32 %[[TMP19]] to i64
// CHECK-NEXT: %[[ARRAYIDX:.+]] = getelementptr inbounds float, float* %[[TMP18]], i64 %[[IDXPROM]]
// CHECK-NEXT: %[[TMP20:.+]] = load float, float* %[[ARRAYIDX]], align 4
// CHECK-NEXT: %[[CONV:.+]] = fpext float %[[TMP20]] to double
// CHECK-NEXT: %[[CALL:.+]] = call double @sind(double noundef %[[CONV]])
// CHECK-NEXT: %[[TMP21:.+]] = load float*, float** %[[C_ADDR]], align 8
// CHECK-NEXT: %[[TMP22:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM2:.+]] = sext i32 %[[TMP22]] to i64
// CHECK-NEXT: %[[ARRAYIDX3:.+]] = getelementptr inbounds float, float* %[[TMP21]], i64 %[[IDXPROM2]]
// CHECK-NEXT: %[[TMP23:.+]] = load float, float* %[[ARRAYIDX3]], align 4
// CHECK-NEXT: %[[CONV4:.+]] = fpext float %[[TMP23]] to double
// CHECK-NEXT: %[[MUL:.+]] = fmul double %[[CALL]], %[[CONV4]]
// CHECK-NEXT: %[[TMP24:.+]] = load float*, float** %[[D_ADDR]], align 8
// CHECK-NEXT: %[[TMP25:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM5:.+]] = sext i32 %[[TMP25]] to i64
// CHECK-NEXT: %[[ARRAYIDX6:.+]] = getelementptr inbounds float, float* %[[TMP24]], i64 %[[IDXPROM5]]
// CHECK-NEXT: %[[TMP26:.+]] = load float, float* %[[ARRAYIDX6]], align 4
// CHECK-NEXT: %[[CONV7:.+]] = fpext float %[[TMP26]] to double
// CHECK-NEXT: %[[MUL8:.+]] = fmul double %[[MUL]], %[[CONV7]]
// CHECK-NEXT: %[[TMP27:.+]] = load float*, float** %[[E_ADDR]], align 8
// CHECK-NEXT: %[[TMP28:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM9:.+]] = sext i32 %[[TMP28]] to i64
// CHECK-NEXT: %[[ARRAYIDX10:.+]] = getelementptr inbounds float, float* %[[TMP27]], i64 %[[IDXPROM9]]
// CHECK-NEXT: %[[TMP29:.+]] = load float, float* %[[ARRAYIDX10]], align 4
// CHECK-NEXT: %[[CONV11:.+]] = fpext float %[[TMP29]] to double
// CHECK-NEXT: %[[MUL12:.+]] = fmul double %[[MUL8]], %[[CONV11]]
// CHECK-NEXT: %[[TMP30:.+]] = load float, float* %[[OFFSET_ADDR]], align 4
// CHECK-NEXT: %[[CONV13:.+]] = fpext float %[[TMP30]] to double
// CHECK-NEXT: %[[ADD:.+]] = fadd double %[[MUL12]], %[[CONV13]]
// CHECK-NEXT: %[[TMP31:.+]] = load float*, float** %[[A_ADDR]], align 8
// CHECK-NEXT: %[[TMP32:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM14:.+]] = sext i32 %[[TMP32]] to i64
// CHECK-NEXT: %[[ARRAYIDX15:.+]] = getelementptr inbounds float, float* %[[TMP31]], i64 %[[IDXPROM14]]
// CHECK-NEXT: %[[TMP33:.+]] = load float, float* %[[ARRAYIDX15]], align 4
// CHECK-NEXT: %[[CONV16:.+]] = fpext float %[[TMP33]] to double
// CHECK-NEXT: %[[ADD17:.+]] = fadd double %[[CONV16]], %[[ADD]]
// CHECK-NEXT: %[[CONV18:.+]] = fptrunc double %[[ADD17]] to float
// CHECK-NEXT: store float %[[CONV18]], float* %[[ARRAYIDX15]], align 4
// CHECK-NEXT: br label %[[OMP_TILE0_INC]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_INC]]:
// CHECK-NEXT: %[[OMP_TILE0_NEXT]] = add nuw i32 %[[OMP_TILE0_IV]], 1
// CHECK-NEXT: br label %[[OMP_TILE0_HEADER]], !llvm.loop ![[LOOP3:[0-9]+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_EXIT]]:
// CHECK-NEXT: br label %[[OMP_TILE0_AFTER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_AFTER]]:
// CHECK-NEXT: br label %[[OMP_FLOOR0_INC]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_INC]]:
// CHECK-NEXT: %[[OMP_FLOOR0_NEXT]] = add nuw i32 %[[OMP_FLOOR0_IV]], 1
// CHECK-NEXT: br label %[[OMP_FLOOR0_HEADER]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_EXIT]]:
// CHECK-NEXT: call void @__kmpc_for_static_fini(%struct.ident_t* @1, i32 %[[OMP_GLOBAL_THREAD_NUM]])
// CHECK-NEXT: %[[OMP_GLOBAL_THREAD_NUM19:.+]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @1)
// CHECK-NEXT: call void @__kmpc_barrier(%struct.ident_t* @2, i32 %[[OMP_GLOBAL_THREAD_NUM19]])
// CHECK-NEXT: br label %[[OMP_FLOOR0_AFTER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_AFTER]]:
// CHECK-NEXT: br label %[[OMP_LOOP_AFTER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_LOOP_AFTER]]:
// CHECK-NEXT: ret void
// CHECK-NEXT: }
void unroll_partial_heuristic_runtime_for(int n, float *a, float *b, float *c, float *d, float *e, float offset) {
#pragma omp for
#pragma omp unroll partial
for (int i = 0; i < n; i++) {
a[i] += sind(b[i]) * c[i] * d[i] * e[i] + offset;
}
}
#endif // HEADER
// CHECK-LABEL: define {{.*}}@__captured_stmt(
// CHECK-NEXT: [[ENTRY:.*]]:
// CHECK-NEXT: %[[DISTANCE_ADDR:.+]] = alloca i32*, align 8
// CHECK-NEXT: %[[__CONTEXT_ADDR:.+]] = alloca %struct.anon*, align 8
// CHECK-NEXT: %[[DOTSTART:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[DOTSTOP:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[DOTSTEP:.+]] = alloca i32, align 4
// CHECK-NEXT: store i32* %[[DISTANCE:.+]], i32** %[[DISTANCE_ADDR]], align 8
// CHECK-NEXT: store %struct.anon* %[[__CONTEXT:.+]], %struct.anon** %[[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: %[[TMP0:.+]] = load %struct.anon*, %struct.anon** %[[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: %[[TMP1:.+]] = getelementptr inbounds %struct.anon, %struct.anon* %[[TMP0]], i32 0, i32 0
// CHECK-NEXT: %[[TMP2:.+]] = load i32*, i32** %[[TMP1]], align 8
// CHECK-NEXT: %[[TMP3:.+]] = load i32, i32* %[[TMP2]], align 4
// CHECK-NEXT: store i32 %[[TMP3]], i32* %[[DOTSTART]], align 4
// CHECK-NEXT: %[[TMP4:.+]] = getelementptr inbounds %struct.anon, %struct.anon* %[[TMP0]], i32 0, i32 1
// CHECK-NEXT: %[[TMP5:.+]] = load i32*, i32** %[[TMP4]], align 8
// CHECK-NEXT: %[[TMP6:.+]] = load i32, i32* %[[TMP5]], align 4
// CHECK-NEXT: store i32 %[[TMP6]], i32* %[[DOTSTOP]], align 4
// CHECK-NEXT: store i32 1, i32* %[[DOTSTEP]], align 4
// CHECK-NEXT: %[[TMP7:.+]] = load i32, i32* %[[DOTSTART]], align 4
// CHECK-NEXT: %[[TMP8:.+]] = load i32, i32* %[[DOTSTOP]], align 4
// CHECK-NEXT: %[[CMP:.+]] = icmp slt i32 %[[TMP7]], %[[TMP8]]
// CHECK-NEXT: br i1 %[[CMP]], label %[[COND_TRUE:.+]], label %[[COND_FALSE:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[COND_TRUE]]:
// CHECK-NEXT: %[[TMP9:.+]] = load i32, i32* %[[DOTSTOP]], align 4
// CHECK-NEXT: %[[TMP10:.+]] = load i32, i32* %[[DOTSTART]], align 4
// CHECK-NEXT: %[[SUB:.+]] = sub nsw i32 %[[TMP9]], %[[TMP10]]
// CHECK-NEXT: %[[TMP11:.+]] = load i32, i32* %[[DOTSTEP]], align 4
// CHECK-NEXT: %[[SUB1:.+]] = sub i32 %[[TMP11]], 1
// CHECK-NEXT: %[[ADD:.+]] = add i32 %[[SUB]], %[[SUB1]]
// CHECK-NEXT: %[[TMP12:.+]] = load i32, i32* %[[DOTSTEP]], align 4
// CHECK-NEXT: %[[DIV:.+]] = udiv i32 %[[ADD]], %[[TMP12]]
// CHECK-NEXT: br label %[[COND_END:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[COND_FALSE]]:
// CHECK-NEXT: br label %[[COND_END]]
// CHECK-EMPTY:
// CHECK-NEXT: [[COND_END]]:
// CHECK-NEXT: %[[COND:.+]] = phi i32 [ %[[DIV]], %[[COND_TRUE]] ], [ 0, %[[COND_FALSE]] ]
// CHECK-NEXT: %[[TMP13:.+]] = load i32*, i32** %[[DISTANCE_ADDR]], align 8
// CHECK-NEXT: store i32 %[[COND]], i32* %[[TMP13]], align 4
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK-LABEL: define {{.*}}@__captured_stmt.1(
// CHECK-NEXT: [[ENTRY:.*]]:
// CHECK-NEXT: %[[LOOPVAR_ADDR:.+]] = alloca i32*, align 8
// CHECK-NEXT: %[[LOGICAL_ADDR:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[__CONTEXT_ADDR:.+]] = alloca %struct.anon.0*, align 8
// CHECK-NEXT: store i32* %[[LOOPVAR:.+]], i32** %[[LOOPVAR_ADDR]], align 8
// CHECK-NEXT: store i32 %[[LOGICAL:.+]], i32* %[[LOGICAL_ADDR]], align 4
// CHECK-NEXT: store %struct.anon.0* %[[__CONTEXT:.+]], %struct.anon.0** %[[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: %[[TMP0:.+]] = load %struct.anon.0*, %struct.anon.0** %[[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: %[[TMP1:.+]] = getelementptr inbounds %struct.anon.0, %struct.anon.0* %[[TMP0]], i32 0, i32 0
// CHECK-NEXT: %[[TMP2:.+]] = load i32, i32* %[[TMP1]], align 4
// CHECK-NEXT: %[[TMP3:.+]] = load i32, i32* %[[LOGICAL_ADDR]], align 4
// CHECK-NEXT: %[[MUL:.+]] = mul i32 1, %[[TMP3]]
// CHECK-NEXT: %[[ADD:.+]] = add i32 %[[TMP2]], %[[MUL]]
// CHECK-NEXT: %[[TMP4:.+]] = load i32*, i32** %[[LOOPVAR_ADDR]], align 8
// CHECK-NEXT: store i32 %[[ADD]], i32* %[[TMP4]], align 4
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK: ![[META0:[0-9]+]] = !{i32 1, !"wchar_size", i32 4}
// CHECK: ![[META1:[0-9]+]] = !{i32 7, !"openmp", i32 51}
// CHECK: ![[META2:[0-9]+]] =
// CHECK: ![[LOOP3]] = distinct !{![[LOOP3]], ![[LOOPPROP4:[0-9]+]], ![[LOOPPROP5:[0-9]+]]}
// CHECK: ![[LOOPPROP4]] = !{!"llvm.loop.unroll.enable"}
// CHECK: ![[LOOPPROP5]] = !{!"llvm.loop.unroll.count", i32 4}
|
the_stack_data/654684.c | /* Test for _Complex: in C99 only. A few basic tests. */
/* Origin: Joseph Myers <[email protected]> */
/* { dg-do compile } */
/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
/* Test _Complex allowed on floating types. */
float _Complex a;
_Complex float b;
double _Complex c;
_Complex double d;
long double _Complex e;
_Complex long double f;
/* Plain `_Complex' for complex double is a GNU extension. */
_Complex g; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "plain" "plain _Complex" { target *-*-* } 16 } */
/* Complex integer types are GNU extensions. */
_Complex int h; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "complex integer" "_Complex int" { target *-*-* } 20 } */
_Complex long i; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "complex integer" "_Complex long" { target *-*-* } 22 } */
/* Use of ~ for complex conjugation is a GNU extension, but a constraint
violation (6.5.3.3p1) in C99.
*/
_Complex double
foo (_Complex double z)
{
return ~z; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "complex conj" "~ for conjugation" { target *-*-* } 31 } */
}
|
the_stack_data/89199992.c | /*
* multilink.c - support routines for multilink.
*
* Copyright (c) 2000-2002 Paul Mackerras. 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. The name(s) of the authors of this software must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* 3. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Paul Mackerras
* <[email protected]>".
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
* SPECIAL, 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.
*/
#ifdef LIBOHIBOARD_ETHERNET_LWIP_2_0_3
#include "netif/ppp/ppp_opts.h"
#if PPP_SUPPORT && defined(HAVE_MULTILINK) /* don't build if not configured for use in lwipopts.h */
/* Multilink support
*
* Multilink uses Samba TDB (Trivial Database Library), which
* we cannot port, because it needs a filesystem.
*
* We have to choose between doing a memory-shared TDB-clone,
* or dropping multilink support at all.
*/
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <netdb.h>
#include <errno.h>
#include <signal.h>
#include <netinet/in.h>
#include <unistd.h>
#include "netif/ppp/ppp_impl.h"
#include "netif/ppp/fsm.h"
#include "netif/ppp/lcp.h"
#include "netif/ppp/tdb.h"
bool endpoint_specified; /* user gave explicit endpoint discriminator */
char *bundle_id; /* identifier for our bundle */
char *blinks_id; /* key for the list of links */
bool doing_multilink; /* multilink was enabled and agreed to */
bool multilink_master; /* we own the multilink bundle */
extern TDB_CONTEXT *pppdb;
extern char db_key[];
static void make_bundle_links (int append);
static void remove_bundle_link (void);
static void iterate_bundle_links (void (*func) (char *));
static int get_default_epdisc (struct epdisc *);
static int parse_num (char *str, const char *key, int *valp);
static int owns_unit (TDB_DATA pid, int unit);
#define set_ip_epdisc(ep, addr) do { \
ep->length = 4; \
ep->value[0] = addr >> 24; \
ep->value[1] = addr >> 16; \
ep->value[2] = addr >> 8; \
ep->value[3] = addr; \
} while (0)
#define LOCAL_IP_ADDR(addr) \
(((addr) & 0xff000000) == 0x0a000000 /* 10.x.x.x */ \
|| ((addr) & 0xfff00000) == 0xac100000 /* 172.16.x.x */ \
|| ((addr) & 0xffff0000) == 0xc0a80000) /* 192.168.x.x */
#define process_exists(n) (kill((n), 0) == 0 || errno != ESRCH)
void
mp_check_options()
{
lcp_options *wo = &lcp_wantoptions[0];
lcp_options *ao = &lcp_allowoptions[0];
doing_multilink = 0;
if (!multilink)
return;
/* if we're doing multilink, we have to negotiate MRRU */
if (!wo->neg_mrru) {
/* mrru not specified, default to mru */
wo->mrru = wo->mru;
wo->neg_mrru = 1;
}
ao->mrru = ao->mru;
ao->neg_mrru = 1;
if (!wo->neg_endpoint && !noendpoint) {
/* get a default endpoint value */
wo->neg_endpoint = get_default_epdisc(&wo->endpoint);
}
}
/*
* Make a new bundle or join us to an existing bundle
* if we are doing multilink.
*/
int
mp_join_bundle()
{
lcp_options *go = &lcp_gotoptions[0];
lcp_options *ho = &lcp_hisoptions[0];
lcp_options *ao = &lcp_allowoptions[0];
int unit, pppd_pid;
int l, mtu;
char *p;
TDB_DATA key, pid, rec;
if (doing_multilink) {
/* have previously joined a bundle */
if (!go->neg_mrru || !ho->neg_mrru) {
notice("oops, didn't get multilink on renegotiation");
lcp_close(pcb, "multilink required");
return 0;
}
/* XXX should check the peer_authname and ho->endpoint
are the same as previously */
return 0;
}
if (!go->neg_mrru || !ho->neg_mrru) {
/* not doing multilink */
if (go->neg_mrru)
notice("oops, multilink negotiated only for receive");
mtu = ho->neg_mru? ho->mru: PPP_MRU;
if (mtu > ao->mru)
mtu = ao->mru;
if (demand) {
/* already have a bundle */
cfg_bundle(0, 0, 0, 0);
netif_set_mtu(pcb, mtu);
return 0;
}
make_new_bundle(0, 0, 0, 0);
set_ifunit(1);
netif_set_mtu(pcb, mtu);
return 0;
}
doing_multilink = 1;
/*
* Find the appropriate bundle or join a new one.
* First we make up a name for the bundle.
* The length estimate is worst-case assuming every
* character has to be quoted.
*/
l = 4 * strlen(peer_authname) + 10;
if (ho->neg_endpoint)
l += 3 * ho->endpoint.length + 8;
if (bundle_name)
l += 3 * strlen(bundle_name) + 2;
bundle_id = malloc(l);
if (bundle_id == 0)
novm("bundle identifier");
p = bundle_id;
p += slprintf(p, l-1, "BUNDLE=\"%q\"", peer_authname);
if (ho->neg_endpoint || bundle_name)
*p++ = '/';
if (ho->neg_endpoint)
p += slprintf(p, bundle_id+l-p, "%s",
epdisc_to_str(&ho->endpoint));
if (bundle_name)
p += slprintf(p, bundle_id+l-p, "/%v", bundle_name);
/* Make the key for the list of links belonging to the bundle */
l = p - bundle_id;
blinks_id = malloc(l + 7);
if (blinks_id == NULL)
novm("bundle links key");
slprintf(blinks_id, l + 7, "BUNDLE_LINKS=%s", bundle_id + 7);
/*
* For demand mode, we only need to configure the bundle
* and attach the link.
*/
mtu = LWIP_MIN(ho->mrru, ao->mru);
if (demand) {
cfg_bundle(go->mrru, ho->mrru, go->neg_ssnhf, ho->neg_ssnhf);
netif_set_mtu(pcb, mtu);
script_setenv("BUNDLE", bundle_id + 7, 1);
return 0;
}
/*
* Check if the bundle ID is already in the database.
*/
unit = -1;
lock_db();
key.dptr = bundle_id;
key.dsize = p - bundle_id;
pid = tdb_fetch(pppdb, key);
if (pid.dptr != NULL) {
/* bundle ID exists, see if the pppd record exists */
rec = tdb_fetch(pppdb, pid);
if (rec.dptr != NULL && rec.dsize > 0) {
/* make sure the string is null-terminated */
rec.dptr[rec.dsize-1] = 0;
/* parse the interface number */
parse_num(rec.dptr, "IFNAME=ppp", &unit);
/* check the pid value */
if (!parse_num(rec.dptr, "PPPD_PID=", &pppd_pid)
|| !process_exists(pppd_pid)
|| !owns_unit(pid, unit))
unit = -1;
free(rec.dptr);
}
free(pid.dptr);
}
if (unit >= 0) {
/* attach to existing unit */
if (bundle_attach(unit)) {
set_ifunit(0);
script_setenv("BUNDLE", bundle_id + 7, 0);
make_bundle_links(1);
unlock_db();
info("Link attached to %s", ifname);
return 1;
}
/* attach failed because bundle doesn't exist */
}
/* we have to make a new bundle */
make_new_bundle(go->mrru, ho->mrru, go->neg_ssnhf, ho->neg_ssnhf);
set_ifunit(1);
netif_set_mtu(pcb, mtu);
script_setenv("BUNDLE", bundle_id + 7, 1);
make_bundle_links(pcb);
unlock_db();
info("New bundle %s created", ifname);
multilink_master = 1;
return 0;
}
void mp_exit_bundle()
{
lock_db();
remove_bundle_link();
unlock_db();
}
static void sendhup(char *str)
{
int pid;
if (parse_num(str, "PPPD_PID=", &pid) && pid != getpid()) {
if (debug)
dbglog("sending SIGHUP to process %d", pid);
kill(pid, SIGHUP);
}
}
void mp_bundle_terminated()
{
TDB_DATA key;
bundle_terminating = 1;
upper_layers_down(pcb);
notice("Connection terminated.");
#if PPP_STATS_SUPPORT
print_link_stats();
#endif /* PPP_STATS_SUPPORT */
if (!demand) {
remove_pidfiles();
script_unsetenv("IFNAME");
}
lock_db();
destroy_bundle();
iterate_bundle_links(sendhup);
key.dptr = blinks_id;
key.dsize = strlen(blinks_id);
tdb_delete(pppdb, key);
unlock_db();
new_phase(PPP_PHASE_DEAD);
doing_multilink = 0;
multilink_master = 0;
}
static void make_bundle_links(int append)
{
TDB_DATA key, rec;
char *p;
char entry[32];
int l;
key.dptr = blinks_id;
key.dsize = strlen(blinks_id);
slprintf(entry, sizeof(entry), "%s;", db_key);
p = entry;
if (append) {
rec = tdb_fetch(pppdb, key);
if (rec.dptr != NULL && rec.dsize > 0) {
rec.dptr[rec.dsize-1] = 0;
if (strstr(rec.dptr, db_key) != NULL) {
/* already in there? strange */
warn("link entry already exists in tdb");
return;
}
l = rec.dsize + strlen(entry);
p = malloc(l);
if (p == NULL)
novm("bundle link list");
slprintf(p, l, "%s%s", rec.dptr, entry);
} else {
warn("bundle link list not found");
}
if (rec.dptr != NULL)
free(rec.dptr);
}
rec.dptr = p;
rec.dsize = strlen(p) + 1;
if (tdb_store(pppdb, key, rec, TDB_REPLACE))
error("couldn't %s bundle link list",
append? "update": "create");
if (p != entry)
free(p);
}
static void remove_bundle_link()
{
TDB_DATA key, rec;
char entry[32];
char *p, *q;
int l;
key.dptr = blinks_id;
key.dsize = strlen(blinks_id);
slprintf(entry, sizeof(entry), "%s;", db_key);
rec = tdb_fetch(pppdb, key);
if (rec.dptr == NULL || rec.dsize <= 0) {
if (rec.dptr != NULL)
free(rec.dptr);
return;
}
rec.dptr[rec.dsize-1] = 0;
p = strstr(rec.dptr, entry);
if (p != NULL) {
q = p + strlen(entry);
l = strlen(q) + 1;
memmove(p, q, l);
rec.dsize = p - rec.dptr + l;
if (tdb_store(pppdb, key, rec, TDB_REPLACE))
error("couldn't update bundle link list (removal)");
}
free(rec.dptr);
}
static void iterate_bundle_links(void (*func)(char *))
{
TDB_DATA key, rec, pp;
char *p, *q;
key.dptr = blinks_id;
key.dsize = strlen(blinks_id);
rec = tdb_fetch(pppdb, key);
if (rec.dptr == NULL || rec.dsize <= 0) {
error("bundle link list not found (iterating list)");
if (rec.dptr != NULL)
free(rec.dptr);
return;
}
p = rec.dptr;
p[rec.dsize-1] = 0;
while ((q = strchr(p, ';')) != NULL) {
*q = 0;
key.dptr = p;
key.dsize = q - p;
pp = tdb_fetch(pppdb, key);
if (pp.dptr != NULL && pp.dsize > 0) {
pp.dptr[pp.dsize-1] = 0;
func(pp.dptr);
}
if (pp.dptr != NULL)
free(pp.dptr);
p = q + 1;
}
free(rec.dptr);
}
static int
parse_num(str, key, valp)
char *str;
const char *key;
int *valp;
{
char *p, *endp;
int i;
p = strstr(str, key);
if (p != 0) {
p += strlen(key);
i = strtol(p, &endp, 10);
if (endp != p && (*endp == 0 || *endp == ';')) {
*valp = i;
return 1;
}
}
return 0;
}
/*
* Check whether the pppd identified by `key' still owns ppp unit `unit'.
*/
static int
owns_unit(key, unit)
TDB_DATA key;
int unit;
{
char ifkey[32];
TDB_DATA kd, vd;
int ret = 0;
slprintf(ifkey, sizeof(ifkey), "IFNAME=ppp%d", unit);
kd.dptr = ifkey;
kd.dsize = strlen(ifkey);
vd = tdb_fetch(pppdb, kd);
if (vd.dptr != NULL) {
ret = vd.dsize == key.dsize
&& memcmp(vd.dptr, key.dptr, vd.dsize) == 0;
free(vd.dptr);
}
return ret;
}
static int
get_default_epdisc(ep)
struct epdisc *ep;
{
char *p;
struct hostent *hp;
u32_t addr;
/* First try for an ethernet MAC address */
p = get_first_ethernet();
if (p != 0 && get_if_hwaddr(ep->value, p) >= 0) {
ep->class = EPD_MAC;
ep->length = 6;
return 1;
}
/* see if our hostname corresponds to a reasonable IP address */
hp = gethostbyname(hostname);
if (hp != NULL) {
addr = *(u32_t *)hp->h_addr;
if (!bad_ip_adrs(addr)) {
addr = lwip_ntohl(addr);
if (!LOCAL_IP_ADDR(addr)) {
ep->class = EPD_IP;
set_ip_epdisc(ep, addr);
return 1;
}
}
}
return 0;
}
/*
* epdisc_to_str - make a printable string from an endpoint discriminator.
*/
static char *endp_class_names[] = {
"null", "local", "IP", "MAC", "magic", "phone"
};
char *
epdisc_to_str(ep)
struct epdisc *ep;
{
static char str[MAX_ENDP_LEN*3+8];
u_char *p = ep->value;
int i, mask = 0;
char *q, c, c2;
if (ep->class == EPD_NULL && ep->length == 0)
return "null";
if (ep->class == EPD_IP && ep->length == 4) {
u32_t addr;
GETLONG(addr, p);
slprintf(str, sizeof(str), "IP:%I", lwip_htonl(addr));
return str;
}
c = ':';
c2 = '.';
if (ep->class == EPD_MAC && ep->length == 6)
c2 = ':';
else if (ep->class == EPD_MAGIC && (ep->length % 4) == 0)
mask = 3;
q = str;
if (ep->class <= EPD_PHONENUM)
q += slprintf(q, sizeof(str)-1, "%s",
endp_class_names[ep->class]);
else
q += slprintf(q, sizeof(str)-1, "%d", ep->class);
c = ':';
for (i = 0; i < ep->length && i < MAX_ENDP_LEN; ++i) {
if ((i & mask) == 0) {
*q++ = c;
c = c2;
}
q += slprintf(q, str + sizeof(str) - q, "%.2x", ep->value[i]);
}
return str;
}
static int hexc_val(int c)
{
if (c >= 'a')
return c - 'a' + 10;
if (c >= 'A')
return c - 'A' + 10;
return c - '0';
}
int
str_to_epdisc(ep, str)
struct epdisc *ep;
char *str;
{
int i, l;
char *p, *endp;
for (i = EPD_NULL; i <= EPD_PHONENUM; ++i) {
int sl = strlen(endp_class_names[i]);
if (strncasecmp(str, endp_class_names[i], sl) == 0) {
str += sl;
break;
}
}
if (i > EPD_PHONENUM) {
/* not a class name, try a decimal class number */
i = strtol(str, &endp, 10);
if (endp == str)
return 0; /* can't parse class number */
str = endp;
}
ep->class = i;
if (*str == 0) {
ep->length = 0;
return 1;
}
if (*str != ':' && *str != '.')
return 0;
++str;
if (i == EPD_IP) {
u32_t addr;
i = parse_dotted_ip(str, &addr);
if (i == 0 || str[i] != 0)
return 0;
set_ip_epdisc(ep, addr);
return 1;
}
if (i == EPD_MAC && get_if_hwaddr(ep->value, str) >= 0) {
ep->length = 6;
return 1;
}
p = str;
for (l = 0; l < MAX_ENDP_LEN; ++l) {
if (*str == 0)
break;
if (p <= str)
for (p = str; isxdigit(*p); ++p)
;
i = p - str;
if (i == 0)
return 0;
ep->value[l] = hexc_val(*str++);
if ((i & 1) == 0)
ep->value[l] = (ep->value[l] << 4) + hexc_val(*str++);
if (*str == ':' || *str == '.')
++str;
}
if (*str != 0 || (ep->class == EPD_MAC && l != 6))
return 0;
ep->length = l;
return 1;
}
#endif /* PPP_SUPPORT && HAVE_MULTILINK */
#endif /* LIBOHIBOARD_ETHERNET_LWIP_2_0_3 */
|
the_stack_data/743435.c | /*此程序对以下形式的表达式进行求值
数字 运算符 数字*/
#include <stdio.h>
int main(void)
{
float value1, value2;
char operator;
printf("Type in your expression.\n");
scanf("%f %c %f", &value1, &operator, & value2);
if(operator == '+')
printf("%.2f\n", value1 + value2);
else if(operator == '-')
printf("%.2f\n", value1 - value2);
else if(operator == '*')
printf("%.2f\n", value1 * value2);
else if(operator == '/')
printf("%.2f\n", value1 / value2);
return 0;
} |
the_stack_data/165768091.c | // Kruskal's algortihm to find Minimum Spanning Tree of a given connected,
// undirected and weighted graph
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// a structure to represent a weighted edge in graph
struct Edge
{
int src, dest, weight;
};
// a structure to represent a connected, undirected and weighted graph
struct Graph
{
// V-> Number of vertices, E-> Number of edges
int V, E;
// graph is represented as an array of edges. Since the graph is
// undirected, the edge from src to dest is also edge from dest
// to src. Both are counted as 1 edge here.
struct Edge* edge;
};
// Creates a graph with V vertices and E edges
struct Graph* createGraph(int V, int E)
{
struct Graph* graph = (struct Graph*) malloc( sizeof(struct Graph) );
graph->V = V;
graph->E = E;
graph->edge = (struct Edge*) malloc( graph->E * sizeof( struct Edge ) );
return graph;
}
// A structure to represent a subset for union-find
struct subset
{
int parent;
int rank;
};
// A utility function to find set of an element i
// (uses path compression technique)
int find(struct subset subsets[], int i)
{
// find root and make root as parent of i (path compression)
if (subsets[i].parent != i)
subsets[i].parent = find(subsets, subsets[i].parent);
return subsets[i].parent;
}
// A function that does union of two sets of x and y
// (uses union by rank)
void Union(struct subset subsets[], int x, int y)
{
int xroot = find(subsets, x);
int yroot = find(subsets, y);
// Attach smaller rank tree under root of high rank tree
// (Union by Rank)
if (subsets[xroot].rank < subsets[yroot].rank)
subsets[xroot].parent = yroot;
else if (subsets[xroot].rank > subsets[yroot].rank)
subsets[yroot].parent = xroot;
// If ranks are same, then make one as root and increment
// its rank by one
else
{
subsets[yroot].parent = xroot;
subsets[xroot].rank++;
}
}
// Compare two edges according to their weights.
// Used in qsort() for sorting an array of edges
int myComp(const void* a, const void* b)
{
struct Edge* a1 = (struct Edge*)a;
struct Edge* b1 = (struct Edge*)b;
return a1->weight > b1->weight;
}
// The main function to construct MST using Kruskal's algorithm
void KruskalMST(struct Graph* graph)
{
int V = graph->V;
struct Edge result[V]; // Tnis will store the resultant MST
int e = 0; // An index variable, used for result[]
int i = 0; // An index variable, used for sorted edges
// Step 1: Sort all the edges in non-decreasing order of their weight
// If we are not allowed to change the given graph, we can create a copy of
// array of edges
qsort(graph->edge, graph->E, sizeof(graph->edge[0]), myComp);
// Allocate memory for creating V ssubsets
struct subset *subsets =
(struct subset*) malloc( V * sizeof(struct subset) );
// Create V subsets with single elements
for (int v = 0; v < V; ++v)
{
subsets[v].parent = v;
subsets[v].rank = 0;
}
// Number of edges to be taken is equal to V-1
while (e < V - 1)
{
// Step 2: Pick the smallest edge. And increment the index
// for next iteration
struct Edge next_edge = graph->edge[i++];
int x = find(subsets, next_edge.src);
int y = find(subsets, next_edge.dest);
// If including this edge does't cause cycle, include it
// in result and increment the index of result for next edge
if (x != y)
{
result[e++] = next_edge;
Union(subsets, x, y);
}
// Else discard the next_edge
}
// print the contents of result[] to display the built MST
printf("Following are the edges in the constructed MST\n");
for (i = 0; i < e; ++i)
printf("%d -- %d == %d\n", result[i].src, result[i].dest,
result[i].weight);
return;
}
// Driver program to test above functions
int main()
{
/* Let us create following weighted graph
10
0--------1
| \ |
6| 5\ |15
| \ |
2--------3
4 */
int V = 4; // Number of vertices in graph
int E = 5; // Number of edges in graph
struct Graph* graph = createGraph(V, E);
// add edge 0-1
graph->edge[0].src = 0;
graph->edge[0].dest = 1;
graph->edge[0].weight = 10;
// add edge 0-2
graph->edge[1].src = 0;
graph->edge[1].dest = 2;
graph->edge[1].weight = 6;
// add edge 0-3
graph->edge[2].src = 0;
graph->edge[2].dest = 3;
graph->edge[2].weight = 5;
// add edge 1-3
graph->edge[3].src = 1;
graph->edge[3].dest = 3;
graph->edge[3].weight = 15;
// add edge 2-3
graph->edge[4].src = 2;
graph->edge[4].dest = 3;
graph->edge[4].weight = 4;
KruskalMST(graph);
return 0;
} |
the_stack_data/305119.c | /*
************************************************
username : smmehrab
fullname : s.m.mehrabul islam
email : [email protected]
institute : university of dhaka, bangladesh
session : 2017-2018
************************************************
*/
#include<stdio.h>
#include<string.h>
int main()
{
char s[100000];
int i,j,k,l;
scanf("%d",&l);
scanf("%s", s);
for(j=0;j<5;j++)
{
for(i=0;i<l;i++)
{
if(s[i]=='A')
{
if(j==0) printf("***");
else if(j==1) printf("*.*");
else if(j==2) printf("***");
else if(j==3) printf("*.*");
else if(j==4) printf("*.*");
}
else if(s[i]=='B')
{
if(j==0) printf("***");
else if(j==1) printf("*.*");
else if(j==2) printf("***");
else if(j==3) printf("*.*");
else if(j==4) printf("***");
}
else if(s[i]=='C')
{
if(j==0) printf("***");
else if(j==1) printf("*..");
else if(j==2) printf("*..");
else if(j==3) printf("*..");
else if(j==4) printf("***");
}
else if(s[i]=='D')
{
if(j==0) printf("***");
else if(j==1) printf("*.*");
else if(j==2) printf("*.*");
else if(j==3) printf("*.*");
else if(j==4) printf("***");
}
else if(s[i]=='E')
{
if(j==0) printf("***");
else if(j==1) printf("*..");
else if(j==2) printf("***");
else if(j==3) printf("*..");
else if(j==4) printf("***");
}
}
printf("\n");
}
return 0;
}
|
the_stack_data/165769319.c | #include <stdio.h>
int main(int argc, char *argv[])
{
printf("***************************START PROGRAM *********************************************\n");
if( argc == 2 )
{
printf("The argument supplied is %s\n", argv[1]);
}
else if( argc > 2 )
{
printf("Too many arguments supplied.\n");
}
else
{
printf("One argument expected.\n");
}
printf("\n\n***************************END PROGRAM *********************************************\n");
return 99;
} |
the_stack_data/67324727.c | #include <time.h>
#include <errno.h>
#include <stdio.h>
int main() {
clockid_t clocks[] = { CLOCK_REALTIME, CLOCK_MONOTONIC };
for (int i = 0; i < (int)(sizeof(clocks)/sizeof(*clocks)); ++i) {
printf("%sTests for clockid_t=%d\n-----------------\n",
i == 0 ? "" : "\n", clocks[i]);
struct timespec ts;
int rv = clock_getres(clocks[i], &ts);
if (rv)
printf("clock_getres failed\n");
else if (ts.tv_sec || ts.tv_nsec > 50000000)
printf("clock_getres resolution not enough (%ld.%09ld)\n",
(long)ts.tv_sec, ts.tv_nsec);
else
printf("clock_getres resolution OK\n");
rv = clock_gettime(clocks[i], &ts);
printf(rv ? "clock_gettime failed\n" : "clock_gettime OK\n");
errno = 0;
if (clock_settime(clocks[i], &ts) == 0)
printf("clock_settime should have failed\n");
else if (errno == EPERM && clocks[i] == CLOCK_REALTIME)
printf("clock_settime failed with EPERM (OK)\n");
else if (errno == EINVAL && clocks[i] == CLOCK_MONOTONIC)
printf("clock_settime failed with EINVAL (OK)\n");
else
printf("clock_settime failed with wrong error code\n");
}
clockid_t bogus = 42;
struct timespec ts;
printf("\nTests for clockid_t=%d\n-----------------\n", bogus);
if (clock_gettime(bogus, &ts) == 0 || errno != EINVAL)
printf("clock_gettime should have failed\n");
else
printf("clock_gettime failed with EINVAL (OK)\n");
if (clock_getres(bogus, &ts) == 0 || errno != EINVAL)
printf("clock_getres should have failed\n");
else
printf("clock_getres failed with EINVAL (OK)\n");
if (clock_settime(bogus, &ts) == 0 || errno != EINVAL)
printf("clock_settime should have failed\n");
else
printf("clock_settime failed with EINVAL (OK)\n");
return 0;
}
|
the_stack_data/897197.c | // Example for testing part of CS333 P2.
// This is by NO MEANS a complete test.
//This code has been provided by Mark Morrissey
#ifdef CS333_P2
#include "types.h"
#include "user.h"
static void
uidTest(uint nval)
{
uint uid = getuid();
printf(1, "Current UID is: %d\n", uid);
printf(1, "Setting UID to %d\n", nval);
if (setuid(nval) < 0)
printf(2, "Error. Invalid UID: %d\n", nval);
uid = getuid();
printf(1, "Current UID is: %d\n", uid);
sleep(5 * TPS); // now type control-p
}
static void
gidTest(uint nval)
{
uint gid = getgid();
printf(1, "Current GID is: %d\n", gid);
printf(1, "Setting GID to %d\n", nval);
if (setgid(nval) < 0)
printf(2, "Error. Invalid GID: %d\n", nval);
setgid(nval);
gid = getgid();
printf(1, "Current GID is: %d\n", gid);
sleep(5 * TPS); // now type control-p
}
static void
forkTest(uint nval)
{
uint uid, gid;
int pid;
printf(1, "Setting UID to %d and GID to %d before fork(). Value"
" should be inherited\n", nval, nval);
if (setuid(nval) < 0)
printf(2, "Error. Invalid UID: %d\n", nval);
if (setgid(nval) < 0)
printf(2, "Error. Invalid UID: %d\n", nval);
printf(1, "Before fork(), UID = %d, GID = %d\n", getuid(), getgid());
pid = fork();
if (pid == 0) { // child
uid = getuid();
gid = getgid();
printf(1, "Child: UID is: %d, GID is: %d\n", uid, gid);
sleep(5 * TPS); // now type control-p
exit();
}
else
sleep(10 * TPS); // wait for child to exit before proceeding
}
static void
invalidTest(uint nval)
{
printf(1, "Setting UID to %d. This test should FAIL\n", nval);
if (setuid(nval) < 0)
printf(1, "SUCCESS! The setuid sytem call indicated failure\n");
else
printf(2, "FAILURE! The setuid system call indicates success\n");
printf(1, "Setting GID to %d. This test should FAIL\n", nval);
if (setgid(nval) < 0)
printf(1, "SUCCESS! The setgid sytem call indicated failure\n");
else
printf(2, "FAILURE! The setgid system call indicates success\n");
printf(1, "Setting UID to %d. This test should FAIL\n", -1);
if (setgid(-1) < 0)
printf(1, "SUCCESS! The setgid sytem call indicated failure\n");
else
printf(2, "FAILURE! The setgid system call indicates success\n");
}
static int
testuidgid(void)
{
uint nval, ppid;
// get/set uid test
nval = 100;
uidTest(nval);
// get/set gid test
nval = 200;
gidTest(nval);
// getppid test
ppid = getppid();
printf(1, "My parent process is: %d\n", ppid);
// fork tests to demonstrate UID/GID inheritance
nval = 111;
forkTest(nval);
// tests for invalid values for uid and gid
nval = 32800; // 32767 is max value
invalidTest(nval);
printf(1, "Done!\n");
return 0;
}
int
main() {
testuidgid();
exit();
}
#endif
|
the_stack_data/86075220.c | /* TODO: compact the tester */
#include <stdio.h> /* printf, obviously */
#include <stdlib.h> /* exit */
#include <string.h> /* memset, strncmp */
#include <unistd.h> /* dup, read */
#include <sys/stat.h> /* redir */
#include <fcntl.h> /* open etc. */
int ft_printf(const char *format, ...);
#define EXIT_WHEN_FAIL (0) // set to 1 if you want the test to stop when it fails.
#define TEST_OUTPUT_FILE_NAME "output.txt" // File name to write results to
// the buffer size. If a printf tests exceeds this buffer, idk what happens.
#define BUF_SIZE (4096)
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
// prints a kind message, then exits
void m_exit()
{
eprintf("----------------------------------------\n");
eprintf("Mission failed, we'll get 'em next time!\n");
exit(1);
}
// perrors and exits
void m_fatal_error(const char *s)
{
perror(s);
exit(1);
}
void ptest_init(int *fd)
{
*fd = open(TEST_OUTPUT_FILE_NAME, O_RDWR | O_CREAT | O_APPEND | O_TRUNC,
0664);
if (*fd == -1)
{
m_fatal_error("open "TEST_OUTPUT_FILE_NAME);
}
// redirect stdout to the file
if (dup2(*fd, 1) == -1)
{
m_fatal_error("dup2");
}
}
int do_diff(int fd, int a, int b, off_t pos_before_test)
{
char buf_a[BUF_SIZE];
char buf_b[BUF_SIZE];
ssize_t i;
int real_b;
int failed;
failed = 0;
memset(buf_a, 0, BUF_SIZE);
memset(buf_b, 0, BUF_SIZE);
real_b = lseek(fd, 0, SEEK_CUR);
if (real_b == -1)
{
m_fatal_error("lseek");
}
real_b = real_b - pos_before_test - a;
if (lseek(fd, (off_t)(-(a + real_b)), SEEK_END) == -1)
{
m_fatal_error("lseek");
}
i = read(fd, buf_b, real_b);
if (i == -1)
{
m_fatal_error("read");
}
else if (i != real_b)
{
eprintf("expected read failed: expected %d, got %zd\n", real_b, i);
}
if (b != real_b)
{
eprintf("return value FAIL: ft_printf says it wrote %d bytes, actually writes %d\n", b, real_b);
failed = 1;
}
i = read(fd, buf_a, a);
if (i == -1)
{
m_fatal_error("read");
}
else if (i != a)
{
eprintf("expected read failed: expected %d, got %zd\n", a, i);
}
if (strncmp(buf_a, buf_b, BUF_SIZE) != 0)
{
eprintf("FAIL:\n\nprintf: [%s]\nft_printf: [%s]\n\n", buf_a, buf_b);
failed = 1;
}
else if (failed)
{
eprintf("Output is OK though\n");
}
if (failed)
return (failed);
eprintf("OK\n");
return (0);
}
/* checks the difference between the two printf calls just done */
void check_diff(int fd, int a, int b, int *went_wrong,
off_t pos_before_test)
{
int should_exit = do_diff(fd, a, b, pos_before_test);
if (a != b)
{
eprintf("return value FAIL: printf: %d, ft_printf returns %d.\n", a, b);
should_exit = 1;
}
if (should_exit)
{
*went_wrong = 1;
if (EXIT_WHEN_FAIL)
m_exit();
}
}
#define M_PTEST(line, ...) (\
{\
eprintf("line %-5d: ", line);\
pos_before_test = lseek(fd, 0, SEEK_CUR);\
a = printf(__VA_ARGS__);\
\
b = ft_printf(__VA_ARGS__);\
fflush(stdout);\
\
check_diff(fd, a, b, &failed, pos_before_test);\
})
#define PTEST(...) (M_PTEST(__LINE__, __VA_ARGS__))
#define SECTION_PRINT(s) eprintf("===== %s =====\n", s)
int main(int argc, char **argv)
{
int fd;
int a, b;
int failed = 0;
int mandatory_only = 1;
off_t pos_before_test;
if (argc >= 2 && (*argv[1] == 'b' || *argv[1] == 'a' || *argv[1] == 'e'))
{
mandatory_only = 0;
}
SECTION_PRINT("let the PRINTF TESTING commence!");
ptest_init(&fd);
SECTION_PRINT("just literal string");
PTEST("");
PTEST("HALLO");
PTEST("HELLO DOES THIS WORK?");
PTEST("unexpected \0, what will happen?");
SECTION_PRINT("% screwery");
PTEST("%%\n");
PTEST("%%%%%%\n");
PTEST("%%a%%a%%");
PTEST("%%%%%%%%");
eprintf("NOTE: these tests may fail, as it is technically undefined behaviour.\n");
eprintf("However, it would be good practice to get this test to pass.\n");
PTEST("%");
PTEST("%%%%%%%");
PTEST("%%%%%%%\n");
SECTION_PRINT("%c stuff");
PTEST("%c", 'h');
PTEST("%c", -1);
PTEST("sdf sdfsdf sd %c\t\v%c", 'h', 'a');
PTEST("%c%c\n", '\0', '~');
SECTION_PRINT("strings(%s)");
PTEST("hello, %s\n", "world");
PTEST("%s%s", "h", "\n");
PTEST("%s%s\n", "sdfd\0fs", "asdfasdf");
PTEST("hello, %s\n", "\0");
eprintf("NOTE: next test is implementation dependent, only should fail if nullptr\n");
eprintf("is not accounted for(i.e. no (nil), (null), or (null pointer)).\n");
PTEST("super cool string: %s", (char *)0);
SECTION_PRINT("pointers(%p)");
PTEST("cool pointer: %p\n", &fd);
PTEST("cool pointer: %p\n", (void *)0);
PTEST("%p\n", (void *)-1);
PTEST("a:%pb:%p", &a, &b);
SECTION_PRINT("hexadecimal(%x %X))");
PTEST("%x", -1);
PTEST("%x", 0);
PTEST("%x", 0xfa1afe);
PTEST("%x%x", 128998, 0);
PTEST("%X", -1);
PTEST("%X", 0);
PTEST("%X", 0xbafefe);
PTEST("%x %X ", 0xba, 0xef);
SECTION_PRINT("signed integers(%d and %i)");
PTEST("%d\n", 3450);
PTEST("%d\n", -3450);
PTEST("%d\n", 0x7fffffff);
PTEST("%d\n", 0x80000000);
PTEST("%d\n", 0);
PTEST("%d\n", -1);
PTEST("%i\n", 3450);
PTEST("%i\n", -3450);
PTEST("%i\n", 0x7fffffff);
PTEST("%i\n", 0x80000000);
PTEST("%i\n", 0);
PTEST("%i\n", -1);
PTEST("%isadfsadf%d", -1, 34);
PTEST("\tadswfdsf%ifdf%ddfdfsf", 0, 0xfa1afe1);
PTEST("%d\n", 122342342423);
SECTION_PRINT("unsigned integers(%u)");
PTEST("%u", -1);
PTEST("%u", 0);
PTEST("%u", 0x7fffffff);
PTEST("%u", 2222222222);
PTEST("%u", 122342342423);
PTEST("%uuuuu%uuuuuuuujjsdf%ufsdf\n", 2222222222, 1, -4545);
SECTION_PRINT("throwing a bunch of stuff and seeing what happens");
PTEST("asdfasdf%%%%pdf%pdfsf%d ddfsdfsdfd%isadf%c\n", &fd, fd, 345, 0);
PTEST("____%%%XxXXsdfs%x", fd, fd);
if (mandatory_only)
goto end;
eprintf("\n");
SECTION_PRINT("BONUS BONUS BONUS BONUS!!!");
SECTION_PRINT("% d and %+d");
PTEST("% d% d", 24, -24);
PTEST("%+d%+d", 24, -24);
PTEST("% d%+d", 0, 0);
PTEST("% +d%+ d", 3, 3);
PTEST("%+ dfsdfn%+ i\n", 24, -24);
PTEST("___%++++ ++++ ifsdfn%+ + +i", 0x3423424, -24);
PTEST("mmmmmm\r\7%++++ ++++ ifsdfn%+ + +i", -0x3423424, 54);
eprintf("NOTE: these tests may fail, as it is technically undefined behaviour.\n");
eprintf("However, it would be good practice to get these tests to pass.\n");
PTEST("_% s_", "");
PTEST("_%+s_", "");
PTEST("_% p", &fd);
PTEST("_%+p", &fd);
SECTION_PRINT("# hash flag(prepending 0x)");
PTEST("%#x", 12345);
PTEST("%#X", 12354);
PTEST("%#x", 0);
PTEST("%#X", 0);
PTEST("%#x%X", 1, 0xbaaaa);
PTEST(" ffsdf%#################Xdffff%##############xdfddfsdfsdfs", 0xfe012c, 0xfaef);
SECTION_PRINT("basic mimimum field width(%5s)");
PTEST("%5d", 2);
PTEST("%1d", 2);
PTEST("%0d", 2);
PTEST("%256d", 244);
PTEST("%5d", 22222222);
PTEST("%5s", "hi");
PTEST("%5s", "haiiii!!! UwU");
PTEST("%3c", 0);
SECTION_PRINT("basic prepended min. field width(%-5s))");
PTEST("%-5d", 2);
PTEST("%-1d", 2);
PTEST("%-0d", 2);
PTEST("%-129d", 244);
PTEST("%-5d", 22222222);
PTEST("%-5s", "hi");
PTEST("%-5s", "haiiii!!! UwU");
PTEST("%-3c", 0);
SECTION_PRINT("min. field width with %+d and % d and %#x");
PTEST("%+5d, %+5d", 22, -22);
PTEST("% 4d", 22);
PTEST("%#5x%#5X", 33, 0x4f);
PTEST("%#5x%#5X", 0xfefefefe, 0x4ffffff);
PTEST("%+-5d, %+-5d", 22, -22);
PTEST("% -5d", 22);
PTEST("%#-5x%#-5X", 33, 0x4f);
PTEST("%#-5x%#-5X", 0xfefefefe, 0x4ffffff);
SECTION_PRINT("min. field width with 0 flag");
PTEST("%05d", 5);
PTEST("%05d", 512);
PTEST("%05d", -5);
PTEST("%05d", -555);
PTEST("%05d", -5556);
PTEST("%05d", -55569);
PTEST("%0-5d", 5);
PTEST("%-05d", 512);
PTEST("%0-5d", -5);
PTEST("%0-5d", -555);
PTEST("%0-5d", -5556);
PTEST("%0-5d", -55569);
/* this took me a while to fix for my own printf... xD */
SECTION_PRINT("min. field width with 0 and %+ d or %x");
PTEST("% 05d", 5);
PTEST("%0+5d", 51);
PTEST("%+05i", 0x22);
PTEST("% 05d", 5);
PTEST("% 05d", -12);
PTEST("% 05d", -3412);
PTEST("%+05d", -34129);
PTEST("%0#7x", 0xaef);
PTEST("%#07X", 0x2a7);
PTEST("%25p", &fd);
SECTION_PRINT("basic precision %.<int>d");
PTEST("%.4d", -4);
PTEST("%.4d", 55555);
PTEST("%.4d", 55);
PTEST("%.d", 5);
PTEST("%.0d", 5);
PTEST("%.d", 0);
PTEST("%.0d", 0);
PTEST("%.4x", -4);
PTEST("%.4X", 55555);
PTEST("%.4X", 55);
PTEST("%.4x", -4);
PTEST("%.4x", 55555);
PTEST("%.5x", 55);
PTEST("%.x", 5);
PTEST("%5.4d", -4);
PTEST("%5.4d", 4);
PTEST("%5.4d", 0);
PTEST("%5.4d", 234235);
PTEST("%5.4i", 52);
PTEST("%5.4u", 52);
PTEST("%5.u", 52);
PTEST("%5.654u", 52);
PTEST("%2.1d", -1);
SECTION_PRINT("basic precision with %s");
PTEST("%.s", "hi");
PTEST("%.0s", "hi");
PTEST("%.1s", "hi");
PTEST("%.4s", "hi");
PTEST("%.3s", "hello!");
SECTION_PRINT("precision with 0#-+ flag");
PTEST("%06d.4", -56);
PTEST("%+06d.4", 956);
PTEST("%+-06d.4", 95666);
PTEST("%+-6d.4", 96);
PTEST("% -06d.4", 95666);
PTEST("%#x-6d.1", 96);
PTEST("%#x-6.1d", 96456345);
PTEST("% 6.4d", -56);
PTEST("%+6.4d", 956);
PTEST("%09.4d", -56);
PTEST("%+09.4d", 956);
PTEST("%+-06.4d", 95666);
PTEST("%+-6.4d", 96);
PTEST("% -06.4d", 95666);
PTEST("% -6.4d", 96);
PTEST("% -06.1d", 95666);
PTEST("% -6.1d", 96);
PTEST("%#x-6.1d", 96);
PTEST("%#x-6.1d", 96456345);
PTEST("%#-6.1x", 96);
PTEST("%#-6.1x", 96456345);
PTEST("%#.5x", 55);;
PTEST("%.1d", 0);
PTEST("%.2d", 1444);
PTEST("%01.i", 1);
PTEST("%03.i", 1);
PTEST("%01.i", 0);
PTEST("%01.0i", 0);
PTEST("%02.0i", 0);
PTEST("%03.0i", 0);
PTEST("%01.X", 0xaef5);
PTEST("%01.X", 0);
PTEST("%01.0X", 0);
PTEST("%02.0X", 0);
PTEST("%04.0X", 0);
PTEST("%01.x", 0xaef5);
PTEST("%01.x", 0);
PTEST("%01.0x", 0);
PTEST("%02.0x", 0);
PTEST("%04.0x", 0);
PTEST("%-04.d", 0);
PTEST("%-04.d", 20);
PTEST("%8.d", 5);
PTEST("%7.0d", 5);
PTEST("%8.d", 0);
PTEST("%6.0d", 0);
PTEST("%2.0d", 3444);
PTEST("%-25.20x", 0xfefe);
PTEST("%8.3s", "hai!");
PTEST("%-8.3s", "hai!");
SECTION_PRINT("a bunch of stuff at once");
PTEST("%+-16.5d_\n", 2555559);
PTEST("%+-16.5d_\n", -2555559);
PTEST("%0-15.5d_\n", 559);
PTEST("%0-15.5d %-15p XD\n", 559, &fd);
PTEST("I %cike %%%#12x_and_%-4.3s\n", 'L', 0xfa1afe1, "pizza");
end:
close(fd);
if (failed)
m_exit();
eprintf("-----------------\n");
eprintf("all OK! good job!\n");
return (0);
}
|
the_stack_data/460048.c | #include <stdio.h>
#include <stdlib.h>
/*
Faça um programa para ler um numero inteiro e verificar se correspomde a uma mes valido no calendario. Caso corresponda, escrever o nome do mes, caso contrario, escrever a mensagem 'Mes invalido'
*/
int main(int argc, char const *argv[])
{
int mes;
printf("\nDigite um numero: ");
scanf("%d", &mes);
switch(mes){
case 1:
printf("\nMES: Janeiro");
break;
case 2:
printf("\nMES: Fevereiro");
break;
case 3:
printf("\nMES: Marco");
break;
case 4:
printf("\nMES: Abril");
break;
case 5:
printf("\nMES: Maio");
break;
case 6:
printf("\nMES: Junho");
break;
case 7:
printf("\nMES: Julho");
break;
case 8:
printf("\nMES: Agosto");
break;
case 9:
printf("\nMES: Setembro");
break;
case 10:
printf("\nMES: Outubro");
break;
case 11:
printf("\nMES: Novembro");
break;
case 12:
printf("\nMES: Dezembro");
break;
default:
printf("\nMes Invalido!");
}
return 0;
}
|
the_stack_data/108257.c | # 1 "benchmarks/ds-06-impl3.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "benchmarks/ds-06-impl3.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){
__ESBMC_assume(expression);
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
}
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, -0.777029876696670f, -0.489329175755640f, -0.134595132329858f, 0.285771358983518f, 0.182331373854387f, -0.544110494560697f, 0.278439882883985f, -0.556325158102182f, 0.579043806545889f, 0.134648133801916f, 0.602850725479294f, -0.151663563868883f, 0.180694361855878f, -0.651591295315595f, 0.281129147768056f, -0.580047306475484f, 0.687883075491433f, 0.279398670804288f, -0.853428128249503f, -0.532609367372680f, -0.821156786377917f, -0.181273229058573f, -0.983898569846882f, -0.0964374318311501f, 0.880923372124250f, 0.102643371392389f, 0.893615387135596f, -0.259276649383649f, 0.699287743639363f, 0.402940604635828f, -0.110721596226581f, 0.0846246472582877f, 0.820733021865405f, 0.795578903285308f, -0.495144122011537f, 0.273150029257472f, -0.268249949701437f, 0.231982193341980f, 0.694211299124074f, 0.859950868718233f, 0.959483382623794f, -0.422972626833543f, -0.109621798738360f, 0.433094703426531f, 0.694025903378851f, 0.374478987547435f, -0.293668545105608f, -0.396213864190828f, -0.0632095887099047f, -0.0285139536748673f, 0.831794132192390f, -0.548543088139238f, 0.791869201724680f, 0.325211484201845f, 0.155274810721772f, -0.112383643064821f, -0.674403070297721f, 0.642801068229810f, -0.615712048835242f, -0.322576771285566f, -0.409336818836595f, 0.548069973193770f, -0.386353709407947f, -0.0741664985357784f, 0.619639599324983f, -0.815703814931314f, 0.965550307223862f, 0.623407852683828f, -0.789634372832984f, 0.736750050047572f, -0.0269443926793700f, 0.00545706093721488f, -0.315712479832091f, -0.890110021644720f, -0.869390443173846f, -0.381538869981866f, -0.109498998005949f, 0.131433952330613f, -0.233452413139316f, 0.660289822785465f, 0.543381186340023f, -0.384712418750451f, -0.913477554164890f, 0.767102957655267f, -0.115129944521936f, -0.741161985822647f, -0.0604180020782450f, -0.819131535144059f, -0.409539679760029f, 0.574419252943637f, -0.0440704617157433f, 0.933173744590532f, 0.261360623390448f, -0.880290575543046f, 0.329806293425492f, 0.548915621667952f, 0.635187167795234f, -0.611034070318967f, 0.458196727901944f, 0.397377226781023f, 0.711941361933987f, 0.782147744383368f, -0.00300685339552631f, 0.384687233450957f, 0.810102466029521f, 0.452919847968424f, -0.183164257016897f, -0.755603185485427f, -0.604334477365858f, -0.786222413488860f, -0.434887500763099f, -0.678845635625581f, -0.381200370488331f, -0.582350534916068f, -0.0444427346996734f, 0.116237247526397f, -0.364680921206275f, -0.829395404347498f, -0.258574590032613f, -0.910082114298859f, 0.501356900925997f, 0.0295361922006900f, -0.471786618165219f, 0.536352925101547f, -0.316120662284464f, -0.168902841718737f, 0.970850119987976f, -0.813818666854395f, -0.0861183123848732f, 0.866784827877161f, 0.535966478165739f, -0.806958669103425f, -0.627307415616045f, -0.686618354673079f, 0.0239165685193152f, 0.525427699287402f, 0.834079334357391f, -0.527333932295852f, 0.130970034225907f, -0.790218350377199f, 0.399338640441987f, 0.133591886379939f, -0.181354311053254f, 0.420121912637914f, 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-0.790927430842686f, 0.691168535237102f, 0.806014327242002f, -0.981639450008060f, 0.407200095027265f, 0.918249921845949f, 0.776880149695420f, -0.437773083955269f, -0.385117533333437f, 0.0115152415796460f, 0.687224538003991f, 0.992524870612626f, 0.471003324792228f, -0.873541777412034f, -0.560923118634380f, -0.726151823613842f, -0.538941951730010f, 0.772057551475325f, 0.858490725829641f, -0.168849338472479f };
# 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 (1 == 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);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.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);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.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);
double * p_num = plant.b;
int p_num_size = plant.b_size;
double * p_den = plant.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 (7 == 3)
{
call_verification_task(&verify_overflow);
}
else if (7 == 2)
{
call_verification_task(&verify_limit_cycle);
}
else if (7 == 6)
{
call_verification_task(&verify_error);
}
else if (7 == 1)
{
call_verification_task(&verify_zero_input_limit_cycle);
}
else if (7 == 4)
{
call_verification_task(&verify_timing_msp_430);
}
else if (7 == 5)
{
call_verification_task(&verify_generic_timing);
}
else if (7 == 7)
{
call_verification_task(&verify_stability);
}
else if (7 == 8)
{
call_verification_task(&verify_minimum_phase);
}
else if (7 == 9)
{
call_closedloop_verification_task(&verify_stability_closedloop_using_dslib);
}
else if (7 == 10)
{
call_closedloop_verification_task(&verify_limit_cycle_closed_loop);
}
else if (7 == 11)
{
call_closedloop_verification_task(&verify_error_closedloop);
}
else if (7 == 12)
{
verify_error_state_space();
}
else if (7 == 16)
{
verify_safety_state_space();
}
else if (7 == 13)
{
verify_controllability();
}
else if (7 == 14)
{
verify_observability();
}
else if (7 == 15)
{
verify_limit_cycle_state_space();
}
else if (7 == 18)
{
call_verification_task(&verify_magnitude);
}
return 0;
}
void validation()
{
if (7 == 12 || 7 == 16 ||
7 == 15 || 7 == 13 ||
7 == 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 (((7 != 9) && (7 != 10) &&
(7 != 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 ((7 == 9) || (7 == 10) ||
(7 == 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 (7 == 0)
{
printf("\n\n***************************************************************************************\n");
printf("* set the property to check with DSVerifier (use: --property NAME) *\n");
printf("***************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((7 == 3) || (7 == 2) || (7 == 1) ||
(7 == 10) || (7 == 11) ||
(7 == 4 || 7 == 5) || 7 == 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) && (7 != 9) && (7 != 18))
{
printf("\n\n*********************************************************************************************\n");
printf("* set the realization to check with DSVerifier (use: --realization NAME) *\n");
printf("*********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if (7 == 6 || 7 == 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 (7 == 4 || 7 == 5)
{
if (7 == 5 || 7 == 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 (7 == 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.b[i] = nondet_double();
__DSVERIFIER_assume((plant.b[i] >= min) && (plant.b[i] <= max));
}else{
}
}
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.a[i] = nondet_double();
__DSVERIFIER_assume((plant.a[i] >= min) && (plant.a[i] <= max));
}
else
{
}
}
((void(*)())closedloop_verification_task)();
}
# 2 "benchmarks/ds-06-impl3.c" 2
digital_system ds = {
.b = { 0.93, -0.87 },
.b_size = 2,
.a = { 1.0, 1.0 },
.a_size = 2,
.sample_time = 0.02
};
implementation impl = {
.int_bits = 10,
.frac_bits = 6,
.max = 1.0,
.min = -1.0
};
|
the_stack_data/175143829.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define MAX_CHARACTERS 1005
#define MAX_PARAGRAPHS 5
struct word {
char* data;
};
struct sentence {
struct word* data;
int word_count;//denotes number of words in a sentence
};
struct paragraph {
struct sentence* data ;
int sentence_count;//denotes number of sentences in a paragraph
};
struct document {
struct paragraph* data;
int paragraph_count;//denotes number of paragraphs in a document
};
typedef struct word word;
typedef struct sentence sentence;
typedef struct paragraph paragraph;
typedef struct document document;
void add_char(word* _word, char character)
{
static int size;
if (_word->data == NULL)
{
_word->data = (char*)malloc(0);
size = 2;
}
_word->data = (char*)realloc(_word->data, size * sizeof(char));
_word->data[size - 2] = character;
_word->data[size - 1] = 0;
size++;
}
void add_word(sentence* _sentence, word* _word)
{
if (_sentence->data == NULL)
{
_sentence->data = (word*)malloc(0);
_sentence->word_count = 0;
}
_sentence->word_count++;
_sentence->data = (word*)realloc(_sentence->data, _sentence->word_count * sizeof(word));
_sentence->data[_sentence->word_count - 1] = *_word;
_word->data = NULL;
}
void add_sentence(paragraph* _paragraph, sentence* _sentence)
{
if (_paragraph->data == NULL)
{
_paragraph->data = (sentence*)malloc(0);
_paragraph->sentence_count = 0;
}
_paragraph->sentence_count++;
_paragraph->data = (sentence*)realloc(_paragraph->data, _paragraph->sentence_count * sizeof(sentence));
_paragraph->data[_paragraph->sentence_count - 1] = *_sentence;
_sentence->data = NULL;
}
void add_paragraph(document* _document, paragraph* _paragraph)
{
if (_document->data == NULL)
{
_document->data = (paragraph*)malloc(0);
_document->paragraph_count = 0;
}
_document->paragraph_count++;
_document->data = (paragraph*)realloc(_document->data, _document->paragraph_count * sizeof(paragraph));
_document->data[_document->paragraph_count - 1] = *_paragraph;
_paragraph->data = NULL;
}
struct document get_document(char* text)
{
document _document;
paragraph _paragraph;
sentence _sentence;
word _word;
_document.data = NULL;
_paragraph.data = NULL;
_sentence.data = NULL;
_word.data = NULL;
for (unsigned int i = 0; i <= strlen(text); i++)
{
switch (text[i])
{
case ' ':
add_word(&_sentence, &_word);
break;
case '.':
add_word(&_sentence, &_word);
add_sentence(&_paragraph, &_sentence);
break;
case '\n':
case '\0':
add_paragraph(&_document, &_paragraph);
break;
default:
add_char(&_word, text[i]);
break;
}
}
return _document;
}
struct word kth_word_in_mth_sentence_of_nth_paragraph(struct document Doc, int k, int m, int n)
{
return Doc.data[n - 1].data[m - 1].data[k - 1];
}
struct sentence kth_sentence_in_mth_paragraph(struct document Doc, int k, int m)
{
return Doc.data[m - 1].data[k - 1];
}
struct paragraph kth_paragraph(struct document Doc, int k)
{
return Doc.data[k - 1];
}
void print_word(struct word w) {
printf("%s", w.data);
}
void print_sentence(struct sentence sen) {
for(int i = 0; i < sen.word_count; i++) {
print_word(sen.data[i]);
if (i != sen.word_count - 1) {
printf(" ");
}
}
}
void print_paragraph(struct paragraph para) {
for(int i = 0; i < para.sentence_count; i++){
print_sentence(para.data[i]);
printf(".");
}
}
void print_document(struct document doc) {
for(int i = 0; i < doc.paragraph_count; i++) {
print_paragraph(doc.data[i]);
if (i != doc.paragraph_count - 1)
printf("\n");
}
}
char* get_input_text() {
int paragraph_count;
scanf("%d", ¶graph_count);
char p[MAX_PARAGRAPHS][MAX_CHARACTERS], doc[MAX_CHARACTERS];
memset(doc, 0, sizeof(doc));
getchar();
for (int i = 0; i < paragraph_count; i++) {
scanf("%[^\n]%*c", p[i]);
strcat(doc, p[i]);
if (i != paragraph_count - 1)
strcat(doc, "\n");
}
char* returnDoc = (char*)malloc((strlen (doc)+1) * (sizeof(char)));
strcpy(returnDoc, doc);
return returnDoc;
}
int main()
{
char* text = get_input_text();
struct document Doc = get_document(text);
int q;
scanf("%d", &q);
while (q--) {
int type;
scanf("%d", &type);
if (type == 3){
int k, m, n;
scanf("%d %d %d", &k, &m, &n);
struct word w = kth_word_in_mth_sentence_of_nth_paragraph(Doc, k, m, n);
print_word(w);
}
else if (type == 2) {
int k, m;
scanf("%d %d", &k, &m);
struct sentence sen= kth_sentence_in_mth_paragraph(Doc, k, m);
print_sentence(sen);
}
else{
int k;
scanf("%d", &k);
struct paragraph para = kth_paragraph(Doc, k);
print_paragraph(para);
}
printf("\n");
}
}
|
the_stack_data/153268120.c | #include <stdio.h>
int get_int_between(int min, int max)
{
int szam;
while (1)
{
printf("Szám: ");
scanf("%d", &szam);
if (szam >= min && szam <= max || szam == 0)
{
return szam;
}
puts("Ez a szám intervallumon kívüli!");
}
}
int get_different(int tomb[], int meret)
{
int counter = 0;
for (int i = 1; i < meret; i++)
{
if (tomb[i] == 1)
{
counter++;
}
}
return counter;
}
void kiir_ertekek(int tomb[], int meret)
{
printf("Ezek a szmok sorrendben: ");
for (int i = 1; i < meret; i++)
{
if (tomb[i] == 1)
{
printf("%d ", i);
}
}
puts("");
}
int main()
{
int tomb[100];
for (int i = 0; i < 100; i++)
{
tomb[i] = 0;
}
puts("Adj meg számokat 1-99 között (zárt)");
while (1)
{
int szam = get_int_between(1, 99);
if (szam == 0)
{
break;
}
tomb[szam] = 1;
}
printf("Különböző szamok: %d.\n", get_different(tomb, 100));
kiir_ertekek(tomb, 100);
return 0;
} |
the_stack_data/248581457.c | #include <string.h>
/*
char *strtok_r(char *str, const char *delim, char **saveptr)
{
char *pos = (str ? str : *saveptr);
if(!pos) return NULL;
while( strchr(delim, *pos) ) pos ++;
if( *pos == '\0' ) return NULL;
char *ret = pos;
while( !strchr(delim, *pos) ) {
if(!*pos) break;
pos ++;
}
if( *pos != '\0' )
{
*pos = '\0';
pos ++;
*saveptr = pos;
}else {
*saveptr = NULL;
}
return ret;
}
#undef strtok
char *strtok(char * restrict s1,const char * restrict s2)
{
static char *saveptr;
return strtok_r ( s1, s2, &saveptr );
}*/
/*
**************************************
* strtok_r:
* Usada em strtok.
*
* Credits:
* Apple. (Open Source)
*
*
* usado em c99 Gramado by Fred Nora
*/
char *strtok_r ( char *s, const char *delim, char **last ){
char *spanp;
int c, sc;
char *tok;
if ( s == NULL && (s = *last) == NULL )
{
return NULL;
};
// Skip (span) leading delimiters (s += strspn(s, delim), sort of).
cont:
c = *s++;
for ( spanp = (char *)delim; (sc = *spanp++) != 0; )
{
if (c == sc)
{
goto cont;
}
};
// No non-delimiter characters.
if ( c == 0 )
{
*last = NULL;
return NULL;
};
tok = s -1;
// Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
// Note that delim must have one NUL; we stop if we see that, too.
for (;;)
{
c = *s++;
spanp = (char *) delim;
do {
if ( (sc = *spanp++) == c )
{
if ( c == 0 )
{
s = NULL;
}else {
char *w = s -1;
*w = '\0';
};
*last = s;
return tok;
};
} while( sc != 0 );
//Nothing.
};
// NOTREACHED
};
#undef strtok
char *strtok(char * restrict s1,const char * restrict s2)
{
static char *last;
return strtok_r ( s1, s2, &last );
}
|
the_stack_data/932630.c | void main()
{
//total men %=52%
//total literacy rate=48%
//literate men=35
//find population=80000
printf("Total men: %d",(80000*0.52));
printf("Total women: %d",(80000-(80000*0.52)));
printf("Total literate: %d",(80000*0.48));
printf("Total literate men: %d",(80000*0.35));
printf("Total literate women: %d",(80000*0.48-(80000-0.35)));
}
|
the_stack_data/26328.c | #include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#define FIB_DEV "/dev/fibonacci"
#define MAX_P10 10000000000000000000ULL
#define MAX_LENGTH 100
#define MAX_SIZE 2 + MAX_LENGTH * 7 / 640
/*int print_fib_128 (int n, unsigned __int128 value)
{
if (value > ~0ULL) {
unsigned long long leading = value / MAX_10P;
unsigned long long trail = value % MAX_10P;
return printf("Reading from " FIB_DEV
" at offset %d, returned the sequence "
"%llu%llu.\n",
n, leading, trail);
} else {
return printf("Reading from " FIB_DEV
" at offset %d, returned the sequence "
"%llu.\n",
n, value);
}
}*/
void print_fib_BigN(int n, unsigned long long *digits, int len)
{
unsigned __int128 value = 0;
printf("Reading from " FIB_DEV " at offset %d, returned the sequence ", n);
for (int i = 0; i < len; i++) {
value = 0;
digits[len] = 0;
for (int j = len - 1; j >= i; j--) {
value = value << 64 | digits[j];
digits[j + 1] = value / MAX_P10;
value %= MAX_P10;
}
digits[i] = value;
len += digits[len] > 0;
}
printf("%llu", digits[len - 1]);
for (int i = len - 2; i >= 0; i--) {
printf("%019llu", digits[i]);
}
printf(".\n");
}
/*void print_fib_BigN_hex (int n, unsigned long long *digits, int len)
{
printf("%llx ",digits[len - 1]);
for (int i = len - 2; i >= 0; i--) {
printf("%019llx ", digits[i]);
}
printf("\n");
}*/
int main(int argc, char *argv[])
{
long long sz;
// unsigned __int128 buf[1];
unsigned long long buf[MAX_SIZE];
// char write_buf[] = "testing writing";
int offset =
MAX_LENGTH; /* TODO: try test something bigger than the limit */
int fd = open(FIB_DEV, O_RDWR);
if (fd < 0) {
perror("Failed to open character device");
exit(1);
}
if (argc == 2) {
long long n;
sscanf(argv[1], "%lld", &n);
lseek(fd, n, SEEK_SET);
size_t digits_size = (3 + 21 * n / 1900) * sizeof(unsigned long long);
unsigned long long *buffer = malloc(digits_size);
sz = read(fd, buffer, digits_size) / sizeof(unsigned long long);
print_fib_BigN(n, buffer, sz);
free(buffer);
close(fd);
return 0;
}
/*for (int i = 0; i <= offset; i++) {
sz = write(fd, write_buf, strlen(write_buf));
printf("Writing to " FIB_DEV ", returned the sequence %lld\n", sz);
}*/
for (int i = 0; i <= offset; i++) {
lseek(fd, i, SEEK_SET);
sz = read(fd, buf, sizeof(buf)) / sizeof(unsigned long long);
print_fib_BigN(i, buf, sz);
}
for (int i = offset; i >= 0; i--) {
lseek(fd, i, SEEK_SET);
sz = read(fd, buf, sizeof(buf)) / sizeof(unsigned long long);
print_fib_BigN(i, buf, sz);
}
close(fd);
return 0;
}
|
the_stack_data/178266285.c | // Check passing options to the assembler for MIPS targets.
//
// RUN: %clang -target mips-linux-gnu -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32R2-EB-AS %s
// RUN: %clang -target mipsel-linux-gnu -### \
// RUN: -no-integrated-as -c -EB %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32R2-EB-AS %s
// MIPS32R2-EB-AS: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
// MIPS32R2-EB-AS-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-KPIC"
//
// RUN: %clang -target mips-linux-gnu -### \
// RUN: -no-integrated-as -fPIC -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32R2-EB-PIC %s
// MIPS32R2-EB-PIC: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-call_nonpic" "-EB"
// MIPS32R2-EB-PIC: "-KPIC"
//
// RUN: %clang -target mipsel-linux-gnu -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32R2-DEF-EL-AS %s
// MIPS32R2-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EL"
//
// RUN: %clang -target mips64-linux-gnu -### \
// RUN: -no-integrated-as -fno-pic -mno-abicalls -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64R2-EB-AS %s
// MIPS64R2-EB-AS: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-mno-shared" "-EB"
//
// RUN: %clang -target mips64-linux-gnu -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64R2-EB-AS-PIC %s
// MIPS64R2-EB-AS-PIC: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64el-linux-gnu -### \
// RUN: -no-integrated-as -c -fno-pic -mno-abicalls %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64R2-DEF-EL-AS %s
// MIPS64R2-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-mno-shared" "-EL"
//
// RUN: %clang -target mips64el-linux-gnu -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64R2-DEF-EL-AS-PIC %s
// MIPS64R2-DEF-EL-AS-PIC: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-EL" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -mabi=n32 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-N32-PIC %s
// MIPS-N32-PIC: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "n32" "-call_nonpic" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -mabi=n32 -### \
// RUN: -no-integrated-as -c %s -fno-pic 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-N32 %s
// MIPS-N32: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "n32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mipsel-linux-gnu -mabi=32 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32R2-EL-AS %s
// RUN: %clang -target mips-linux-gnu -mabi=32 -### \
// RUN: -no-integrated-as -c %s -EL 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32R2-EL-AS %s
// MIPS32R2-EL-AS: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EL"
//
// RUN: %clang -target mips64el-linux-gnu -mabi=64 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64R2-EL-AS-PIC %s
// MIPS64R2-EL-AS-PIC: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-EL" "-KPIC"
//
// RUN: %clang -target mips64el-linux-gnu -mabi=64 -### \
// RUN: -no-integrated-as -c %s -fno-pic -mno-abicalls 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64R2-EL-AS %s
// MIPS64R2-EL-AS: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-mno-shared" "-EL"
//
// RUN: %clang -target mips-linux-gnu -march=mips32r2 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-32R2 %s
// MIPS-32R2: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -march=p5600 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-P5600 %s
// MIPS-P5600: as{{(.exe)?}}" "-march" "p5600" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips64-linux-gnu -march=octeon -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-OCTEON-PIC %s
// MIPS-OCTEON-PIC: as{{(.exe)?}}" "-march" "octeon" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -march=octeon -### \
// RUN: -no-integrated-as -c %s -fno-pic -mno-abicalls 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-OCTEON %s
// MIPS-OCTEON: as{{(.exe)?}}" "-march" "octeon" "-mabi" "64" "-mno-shared" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips1 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-1 %s
// MIPS-ALIAS-1: as{{(.exe)?}}" "-march" "mips1" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips2 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-2 %s
// MIPS-ALIAS-2: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips3 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-3 %s
// MIPS-ALIAS-3: as{{(.exe)?}}" "-march" "mips3" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips4 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-4 %s
// MIPS-ALIAS-4: as{{(.exe)?}}" "-march" "mips4" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips5 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-5 %s
// MIPS-ALIAS-5: as{{(.exe)?}}" "-march" "mips5" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips32 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-32 %s
// MIPS-ALIAS-32: as{{(.exe)?}}" "-march" "mips32" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips32r2 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-32R2 %s
// MIPS-ALIAS-32R2: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips32r3 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-32R3 %s
// MIPS-ALIAS-32R3: as{{(.exe)?}}" "-march" "mips32r3" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips32r5 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-32R5 %s
// MIPS-ALIAS-32R5: as{{(.exe)?}}" "-march" "mips32r5" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mips32r6 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-32R6 %s
// MIPS-ALIAS-32R6: as{{(.exe)?}}" "-march" "mips32r6" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
//
// RUN: %clang -target mips64-linux-gnu -mips64 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64-PIC %s
// MIPS-ALIAS-64-PIC: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -mips64 -### \
// RUN: -no-integrated-as -c -fno-pic -mno-abicalls %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64 %s
// MIPS-ALIAS-64: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-mno-shared" "-EB"
//
// RUN: %clang -target mips64-linux-gnu -mips64r2 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64R2-PIC %s
// MIPS-ALIAS-64R2-PIC: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -mips64r3 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64R3-PIC %s
// MIPS-ALIAS-64R3-PIC: as{{(.exe)?}}" "-march" "mips64r3" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -mips64r3 -### \
// RUN: -no-integrated-as -c %s -fno-pic -mno-abicalls 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64R3 %s
// MIPS-ALIAS-64R3: as{{(.exe)?}}" "-march" "mips64r3" "-mabi" "64" "-mno-shared" "-EB"
//
// RUN: %clang -target mips64-linux-gnu -mips64r5 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64R5-PIC %s
// MIPS-ALIAS-64R5-PIC: as{{(.exe)?}}" "-march" "mips64r5" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -mips64r5 -### \
// RUN: -no-integrated-as -c %s -fno-pic -mno-abicalls 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64R5 %s
// MIPS-ALIAS-64R5: as{{(.exe)?}}" "-march" "mips64r5" "-mabi" "64" "-mno-shared" "-EB"
//
// RUN: %clang -target mips64-linux-gnu -mips64r6 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64R6-PIC %s
// MIPS-ALIAS-64R6-PIC: as{{(.exe)?}}" "-march" "mips64r6" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -mips64r6 -### \
// RUN: -no-integrated-as -c %s -fno-pic -mno-abicalls 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-ALIAS-64R6 %s
// MIPS-ALIAS-64R6: as{{(.exe)?}}" "-march" "mips64r6" "-mabi" "64" "-mno-shared" "-EB"
//
// RUN: %clang -target mips-linux-gnu -mno-mips16 -mips16 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-16 %s
// MIPS-16: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mips16"
//
// RUN: %clang -target mips-linux-gnu -mips16 -mno-mips16 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-N16 %s
// MIPS-N16: as{{(.exe)?}}"
// MIPS-N16: -no-mips16
//
// RUN: %clang -target mips-linux-gnu -mno-micromips -mmicromips -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-MICRO %s
// MIPS-MICRO: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mmicromips"
//
// RUN: %clang -target mips-linux-gnu -mmicromips -mno-micromips -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-NMICRO %s
// MIPS-NMICRO: as{{(.exe)?}}"
// MIPS-NMICRO-NOT: {{[A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-mmicromips"
//
// RUN: %clang -target mips-linux-gnu -mno-dsp -mdsp -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-DSP %s
// MIPS-DSP: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mdsp"
//
// RUN: %clang -target mips-linux-gnu -mdsp -mno-dsp -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-NDSP %s
// MIPS-NDSP: as{{(.exe)?}}"
// MIPS-NDSP-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-mdsp"
//
// RUN: %clang -target mips-linux-gnu -mno-dspr2 -mdspr2 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-DSPR2 %s
// MIPS-DSPR2: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mdspr2"
//
// RUN: %clang -target mips-linux-gnu -mdspr2 -mno-dspr2 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-NDSPR2 %s
// MIPS-NDSPR2: as{{(.exe)?}}"
// MIPS-NDSPR2-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-mdspr2"
//
// RUN: %clang -target mips-linux-gnu -mnan=legacy -mnan=2008 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-NAN2008 %s
// MIPS-NAN2008: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mnan=2008"
//
// RUN: %clang -target mips-linux-gnu -mnan=2008 -mnan=legacy -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-NAN-LEGACY %s
// MIPS-NAN-LEGACY: as{{(.exe)?}}"
// MIPS-NAN-LEGACY-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-mnan={{.*}}"
//
// RUN: %clang -target mips-linux-gnu -mfp64 -mfpxx -mfp32 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-MFP32 %s
// MIPS-MFP32: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mfp32"
//
// RUN: %clang -target mips-linux-gnu -mfp32 -mfp64 -mfpxx -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-MFPXX %s
// MIPS-MFPXX: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mfpxx"
//
// RUN: %clang -target mips-linux-gnu -mfpxx -mfp32 -mfp64 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-MFP64 %s
// MIPS-MFP64: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mfp64"
//
// RUN: %clang -target mips-linux-gnu -mno-msa -mmsa -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-MSA %s
// MIPS-MSA: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB" "-mmsa"
//
// RUN: %clang -target mips-linux-gnu -mmsa -mno-msa -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-NMSA %s
// MIPS-NMSA: as{{(.exe)?}}"
// MIPS-NMSA-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-mmsa"
//
// We've already tested MIPS32r2 and MIPS64r2 thoroughly. Do minimal tests on
// the remaining CPU's since it was possible to pass on a -mabi with no value
// when the CPU name is absent from a StringSwitch in getMipsCPUAndABI()
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -c %s -mcpu=mips1 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS1-EB-AS %s
// MIPS1-EB-AS: as{{(.exe)?}}" "-march" "mips1" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
// MIPS1-EB-AS-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-KPIC"
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -c %s -mcpu=mips2 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS2-EB-AS %s
// MIPS2-EB-AS: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
// MIPS2-EB-AS-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -### -no-integrated-as -c %s -mcpu=mips3 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS3-EB-AS %s
// MIPS3-EB-AS: as{{(.exe)?}}" "-march" "mips3" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -### -no-integrated-as -c %s -mcpu=mips4 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS4-EB-AS %s
// MIPS4-EB-AS: as{{(.exe)?}}" "-march" "mips4" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -### -no-integrated-as -c %s -mcpu=mips5 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS5-EB-AS %s
// MIPS5-EB-AS: as{{(.exe)?}}" "-march" "mips5" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -c %s -mcpu=mips32 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS32-EB-AS %s
// MIPS32-EB-AS: as{{(.exe)?}}" "-march" "mips32" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
// MIPS32-EB-AS-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-KPIC"
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -c %s -mcpu=mips32r6 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS32R6-EB-AS %s
// MIPS32R6-EB-AS: as{{(.exe)?}}" "-march" "mips32r6" "-mabi" "32" "-mno-shared" "-call_nonpic" "-EB"
// MIPS32R6-EB-AS-NOT: "{{[ A-Za-z\\\/]*}}as{{(.exe)?}}{{.*}}"-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -### -no-integrated-as -c %s -mcpu=mips64 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS64-EB-AS %s
// MIPS64-EB-AS: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips64-linux-gnu -### -no-integrated-as -c %s -mcpu=mips64r6 \
// RUN: 2>&1 | FileCheck -check-prefix=MIPS64R6-EB-AS %s
// MIPS64R6-EB-AS: as{{(.exe)?}}" "-march" "mips64r6" "-mabi" "64" "-EB" "-KPIC"
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -msoft-float -mhard-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=HARDFLOAT --implicit-check-not=-msoft-float %s
// HARDFLOAT: as{{(.exe)?}}"
// HARDFLOAT: -mhard-float
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -mhard-float -msoft-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=SOFTFLOAT --implicit-check-not=-mhard-float %s
// SOFTFLOAT: as{{(.exe)?}}"
// SOFTFLOAT: -msoft-float
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -mno-odd-spreg -modd-spreg -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=ODDSPREG --implicit-check-not=-mno-odd-spreg %s
// ODDSPREG: as{{(.exe)?}}"
// ODDSPREG: -modd-spreg
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -modd-spreg -mno-odd-spreg -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=NOODDSPREG --implicit-check-not=-modd-spreg %s
// NOODDSPREG: as{{(.exe)?}}"
// NOODDSPREG: -mno-odd-spreg
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -mdouble-float -msingle-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=SINGLEFLOAT --implicit-check-not=-mdouble-float %s
// SINGLEFLOAT: as{{(.exe)?}}"
// SINGLEFLOAT: -msingle-float
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -msingle-float -mdouble-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=DOUBLEFLOAT --implicit-check-not=-msingle-float %s
// DOUBLEFLOAT: as{{(.exe)?}}"
// DOUBLEFLOAT: -mdouble-float
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -msoft-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=SOFTFLOAT-IMPLICIT-FPXX --implicit-check-not=-mfpxx %s
// SOFTFLOAT-IMPLICIT-FPXX: as{{(.exe)?}}"
// SOFTFLOAT-IMPLICIT-FPXX: -msoft-float
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -msoft-float -mfpxx -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=SOFTFLOAT-EXPLICIT-FPXX %s
// SOFTFLOAT-EXPLICIT-FPXX: as{{(.exe)?}}"
// SOFTFLOAT-EXPLICIT-FPXX: -mfpxx
// SOFTFLOAT-EXPLICIT-FPXX: -msoft-float
//
// RUN: %clang -target mips-mti-linux-gnu -### -no-integrated-as -msoft-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MTI-SOFTFLOAT-IMPLICIT-FPXX --implicit-check-not=-mfpxx %s
// MTI-SOFTFLOAT-IMPLICIT-FPXX: as{{(.exe)?}}"
// MTI-SOFTFLOAT-IMPLICIT-FPXX: -msoft-float
//
// RUN: %clang -target mips-mti-linux-gnu -### -no-integrated-as -msoft-float -mfpxx -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MTI-SOFTFLOAT-EXPLICIT-FPXX %s
// MTI-SOFTFLOAT-EXPLICIT-FPXX: as{{(.exe)?}}"
// MTI-SOFTFLOAT-EXPLICIT-FPXX: -mfpxx
// MTI-SOFTFLOAT-EXPLICIT-FPXX: -msoft-float
//
// RUN: %clang -target mips-img-linux-gnu -### -no-integrated-as -msoft-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=IMG-SOFTFLOAT-IMPLICIT-FPXX --implicit-check-not=-mfpxx %s
// IMG-SOFTFLOAT-IMPLICIT-FPXX: as{{(.exe)?}}"
// IMG-SOFTFLOAT-IMPLICIT-FPXX: -msoft-float
//
// RUN: %clang -target mips-img-linux-gnu -### -no-integrated-as -msoft-float -mfpxx -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=IMG-SOFTFLOAT-EXPLICIT-FPXX %s
// IMG-SOFTFLOAT-EXPLICIT-FPXX: as{{(.exe)?}}"
// IMG-SOFTFLOAT-EXPLICIT-FPXX: -mfpxx
// IMG-SOFTFLOAT-EXPLICIT-FPXX: -msoft-float
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -msingle-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=SINGLEFLOAT-IMPLICIT-FPXX --implicit-check-not=-mfpxx %s
// SINGLEFLOAT-IMPLICIT-FPXX: as{{(.exe)?}}"
// SINGLEFLOAT-IMPLICIT-FPXX: -msingle-float
//
// RUN: %clang -target mips-linux-gnu -### -no-integrated-as -msingle-float -mfpxx -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=SINGLEFLOAT-EXPLICIT-FPXX %s
// SINGLEFLOAT-EXPLICIT-FPXX: as{{(.exe)?}}"
// SINGLEFLOAT-EXPLICIT-FPXX: -mfpxx
// SINGLEFLOAT-EXPLICIT-FPXX: -msingle-float
//
// RUN: %clang -target mips-mti-linux-gnu -### -no-integrated-as -msingle-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MTI-SINGLEFLOAT-IMPLICIT-FPXX --implicit-check-not=-mfpxx %s
// MTI-SINGLEFLOAT-IMPLICIT-FPXX: as{{(.exe)?}}"
// MTI-SINGLEFLOAT-IMPLICIT-FPXX: -msingle-float
//
// RUN: %clang -target mips-mti-linux-gnu -### -no-integrated-as -msingle-float -mfpxx -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MTI-SINGLEFLOAT-EXPLICIT-FPXX %s
// MTI-SINGLEFLOAT-EXPLICIT-FPXX: as{{(.exe)?}}"
// MTI-SINGLEFLOAT-EXPLICIT-FPXX: -mfpxx
// MTI-SINGLEFLOAT-EXPLICIT-FPXX: -msingle-float
//
// RUN: %clang -target mips-img-linux-gnu -### -no-integrated-as -msingle-float -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=IMG-SINGLEFLOAT-IMPLICIT-FPXX --implicit-check-not=-mfpxx %s
// IMG-SINGLEFLOAT-IMPLICIT-FPXX: as{{(.exe)?}}"
// IMG-SINGLEFLOAT-IMPLICIT-FPXX: -msingle-float
//
// RUN: %clang -target mips-img-linux-gnu -### -no-integrated-as -msingle-float -mfpxx -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=IMG-SINGLEFLOAT-EXPLICIT-FPXX %s
// IMG-SINGLEFLOAT-EXPLICIT-FPXX: as{{(.exe)?}}"
// IMG-SINGLEFLOAT-EXPLICIT-FPXX: -mfpxx
// IMG-SINGLEFLOAT-EXPLICIT-FPXX: -msingle-float
|
the_stack_data/40762124.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <math.h>
#define X 139
#define Y 137
#define GET(map,x,y) ((map)[((x)%(X)) + ((y)%(Y))*X])
int part1(FILE *in);
int part2(FILE *in);
// 0 -> nothing, 1 -> right, 2 -> down
char *read(FILE *in, char *buff);
int iterate(char *map);
void print(char *map);
int main()
{
FILE *in = fopen("in25", "r");
printf("Part1: %d\n", part1(in));
rewind(in);
printf("Part2: %d\n", part2(in));
fclose(in);
return 0;
}
int part1(FILE *in)
{
int res = 1;
char buff[X*Y] = {0};
char *map = read(in, buff);
while (iterate(map))
res++;
return res;
}
int part2(FILE *in)
{
return 42;
}
char *read(FILE *in, char *buff)
{
int x = 0, y = 0;
int c;
while ((c = fgetc(in)) != EOF)
{
switch(c)
{
case '\n':
y++;
x = 0;
continue;
case '.':
GET(buff,x,y) = 0;
break;
case '>':
GET(buff,x,y) = 1;
break;
case 'v':
GET(buff,x,y) = 2;
break;
}
x++;
}
return buff;
}
int iterate(char *map)
{
int moved = 0;
char new[X*Y] = {0};
// Right
for (int y = 0; y < Y; y++)
for (int x = 0; x < X; x++)
if (GET(map,x,y) == 1 && !GET(map,x+1,y))
{
GET(new,x+1,y) = GET(map,x,y);
moved = 1;
}
else if (GET(map,x,y))
GET(new,x,y) = GET(map,x,y);
memcpy(map, new, X*Y*sizeof(*new));
memset(new, 0, X*Y*sizeof(*new));
// Down
for (int y = 0; y < Y; y++)
for (int x = 0; x < X; x++)
if (GET(map,x,y) == 2 && !GET(map,x,y+1))
{
GET(new,x,y+1) = GET(map,x,y);
moved = 1;
}
else if (GET(map,x,y))
GET(new,x,y) = GET(map,x,y);
memcpy(map, new, X*Y*sizeof(*new));
return moved;
}
void print(char *map)
{
for (int y = 0; y < Y; y++)
{
for (int x = 0; x < X; x++)
printf("%c", GET(map,x,y) == 1 ? '>' : GET(map,x,y) == 2 ? 'v' : '.');
printf("\n");
}
}
|
the_stack_data/212642749.c | #include <stdio.h>
imprimeVetor(int pilha[10])
{
for (int i = 0; i < 10; i++)
{
printf("%d ", pilha[i]);
}
}
void pilhaPush(int pilha[10], int *topo, int valor)
{
if (*topo == 9) //verifica se o vetor está totalmente preenchido.
{
printf("\nPilha cheia!");
}
else //se não estiver começa a acrecentar valores ao vetor.
{
*topo = *topo + 1;
pilha[*topo] = valor;
}
printf("\n\n");
}
void main()
{
int pilha[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
int topo = -1, i;
printf("\nEMPILHANDO VALORES");
printf("\n--------------------\n\n");
//Imprimindo vetor.
imprimeVetor(pilha);
printf("\n-------------------------");
//Inserindo dados no vetor[pilha];
printf("\n\nEmpilhando / inserindo dados!");
for (i = 0; i < 10; i++)
{
pilhaPush(pilha, &topo, i);
imprimeVetor(pilha);
}
printf("\n\n");
} |
the_stack_data/7949511.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
void strsplit1(char *string, char sep, char *first, char *second) {
char *sep_ptr = strchr(string, sep);
int n = sep_ptr - string;
strncpy(first, string, n);
first[n] = '\0';
strcpy(second, sep_ptr+1);
}
void strsplit2(char *string, char sep, char *first, char *second) {
int i;
for (i=0; ; i++) {
if (string[i] == sep) {
first[i] = '\0';
break;
}
first[i] = string[i];
}
for (int j=0; ; j++) {
i++;
if (string[i] == '\0') {
second[j] = '\0';
break;
}
second[j] = string[i];
}
}
void strsplit3(char *string, char sep, char *first, char *second) {
while (*string != sep) {
*first++ = *string++;
}
*first = '\0';
string++;
while (*string != '\0') {
*second++ = *string++;
}
*second = '\0';
}
void strsplit4(char *string, char sep, char *first, char *second) {
char *copy = strdup(string);
char *token;
char sep_str[2];
sep_str[0] = sep;
sep_str[1] = '\0';
token = strtok(copy, sep_str);
strcpy(first, token);
token = strtok(NULL, sep_str);
strcpy(second, token);
}
void strsplit5(char *string, char sep, char *first, char *second) {
// Variable length arrays!
// https://gcc.gnu.org/onlinedocs/gcc/Variable-Length.html
// The following line is legal now, as of the C99 standard
char temp[strlen(string)+1];
strcpy(temp, string);
}
void strsplit6(char *string, char sep, char *first, char *second) {
char *copy = strdup(string);
char *sep_ptr = strchr(copy, sep);
*sep_ptr = '\0';
// to see what's wrong with the following,
first = copy;
second = sep_ptr + 1;
// TODO: draw the stack diagram at this point
}
void strsplit7(char *string, char sep, char **first, char **second) {
char *copy = strdup(string);
char *sep_ptr = strchr(copy, sep);
*sep_ptr = '\0';
*first = copy;
*second = sep_ptr + 1;
// TODO: draw the stack diagram at this point
}
void reset(char *first, char *second) {
strcpy(first, "undefined");
strcpy(second, "undefined");
}
int main() {
char string[] = "Hello World";
char first[32] = "undefined";
char second[32] = "undefined";
strsplit1(string, ' ', first, second);
printf("%s\n", first);
printf("%s\n", second);
printf("%s\n\n", string);
reset(first, second);
strsplit2(string, ' ', first, second);
printf("%s\n", first);
printf("%s\n", second);
printf("%s\n\n", string);
reset(first, second);
strsplit3(string, ' ', first, second);
printf("%s\n", first);
printf("%s\n", second);
printf("%s\n\n", string);
reset(first, second);
strsplit4(string, ' ', first, second);
printf("%s\n", first);
printf("%s\n", second);
printf("%s\n\n", string);
reset(first, second);
strsplit6(string, ' ', first, second);
printf("%s\n", first);
printf("%s\n", second);
printf("%s\n\n", string);
reset(first, second);
char *first_ptr;
char *second_ptr;
strsplit7(string, ' ', &first_ptr, &second_ptr);
printf("%s\n", first_ptr);
printf("%s\n", second_ptr);
printf("%s\n\n", string);
return 0;
}
|
the_stack_data/51826.c | main() {
int varA=0, varB=0,varC;
float varD,varE;
varC=varA * varB;
varD=varE;
varA=120;
varB=145;
varC=varA+varB+ varC;
}
|
the_stack_data/9921.c | /* Součet třech po sobě jdoucích čísel je 348. Které to jsou? */
#include <stdio.h>
#include <stdlib.h>
const int TOTAL = 348;
int main()
{
/* solution 1 */
printf("%i + %i + %i = %i\n", TOTAL / 3 - 1, TOTAL / 3, TOTAL / 3 + 1, TOTAL);
/* solution 2 */
for (int x = 1; x < TOTAL; x++)
{
if (x + (x + 1) + (x + 2) == TOTAL)
{
printf("%i + %i + %i = %i\n", x, x + 1, x + 2, TOTAL);
break;
}
}
/* solution 3 */
/*
* x + y + z = 348
* x + (x + 1) + (x + 2) == 348
* x + x + 1 + x + 2 == 348
* 3*x + 3 = 348
* 3*x = 348 - 3
* 3*x = 345
* x = 345 / 3
*/
int x = (TOTAL - 3) / 3;
printf("%i + %i + %i = %i\n", x, x + 1, x + 2, TOTAL);
return 0;
} |
the_stack_data/39264.c | #include <assert.h>
#include <poll.h>
#include <time.h>
#include <unistd.h>
int main(void) {
struct pollfd fds[2];
time_t before, now;
int ret;
fds[0] = (struct pollfd){.fd = 1, .events = POLLOUT, .revents = 0};
fds[1] = (struct pollfd){.fd = 2, .events = POLLOUT, .revents = 0};
ret = poll(fds, 2, -1);
assert(ret == 2);
assert(fds[0].revents == POLLOUT);
assert(fds[1].revents == POLLOUT);
fds[0] = (struct pollfd){.fd = 0, .events = POLLIN, .revents = 0};
time(&before);
ret = poll(fds, 1, 2000);
time(&now);
assert(ret == 0);
assert(now - before >= 2);
sleep(1);
time(&now);
assert(now - before >= 3);
return 0;
}
|
the_stack_data/116093.c | // OneThirdRule
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <time.h>
// Number of processes
#if !defined (NUM_PROC)
#define NUM_PROC 3
#endif
// Number of rounds
#if !defined (MAX_ROUND)
#define MAX_ROUND 10
#endif
#define TWOTHIRD ((int) (2*NUM_PROC/3))
int decision[NUM_PROC];
int main(int argc, char **argv) {
//short state[NUM_PROC];
int state[NUM_PROC];
// Set random seed
if (argc > 1) {
srand(atoi(argv[1]));
}
else {
srand((unsigned) time(NULL));
}
// Set proposed values randomly
for (int proc = 0; proc < NUM_PROC; proc++) {
state[proc] = rand() % NUM_PROC + 1;
}
// Iterate rounds MAX_ROUND times
for (int round = 1; round <= MAX_ROUND; round++) {
// channels
int chnl[NUM_PROC][NUM_PROC];
// send
for (int proc = 0; proc < NUM_PROC; proc++) {
for (int peer = 0; peer < NUM_PROC; peer++) {
chnl[peer][proc] = state[proc];
}
}
// HO
for (int proc = 0; proc < NUM_PROC; proc++) {
int *ch = chnl[proc];
for (int i = 0; i < NUM_PROC; i++) {
if (rand() % 2 == 0) {
ch[i] = -1;
}
}
// print out
for (int i = 0; i < NUM_PROC; i++) {
printf("%d..", ch[i]);
}
printf("\n");
}
// receive
for (int proc = 0; proc < NUM_PROC; proc++) {
int *ch = chnl[proc];
// check if more than 2n/3 messages are received
int count = 0;
for (int i = 0; i < NUM_PROC; i++) {
if (ch[i] >= 0) {
count++;
}
}
if (count > TWOTHIRD) {
// select smallest most often occurring value
int max_count = 0, cand_val = 0;
for (int i = 0; i < NUM_PROC; i++) {
int val = ch[i];
int count = 1;
if (val == -1) {
continue;
}
for (int j = i + 1; j < NUM_PROC; j++) {
if (ch[j] == val)
count++;
}
if (max_count < count || (max_count == count && val < cand_val)) {
cand_val = val; max_count = count;
}
}
printf("proc: %d chooses %d\n.", proc, cand_val);
state[proc] = cand_val;
if (max_count > TWOTHIRD) {
decision[proc] = cand_val;
printf("proc: %d decides %d\n.", proc, decision[proc]);
}
}
}
// safety
{
int val = 0;
for (int i = 0; i < NUM_PROC; i++) {
if (decision[i] == 0) {
continue;
}
else if (val == 0) {
val = decision[i];
}
else {
assert(val == decision[i]);
}
}
}
}
} |
the_stack_data/179830376.c | /* { dg-do compile } */
/* { dg-options "-O3 -Warray-bounds" } */
typedef struct foo {
unsigned char foo_size;
int buf[4];
const char* bar;
} foo;
const foo *get_foo(int index);
static int foo_loop(const foo *myfoo) {
int i;
if (myfoo->foo_size < 3)
return 0;
for (i = 0; i < myfoo->foo_size; i++) {
if (myfoo->buf[i] != 1) /* { dg-bogus "above array bounds" } */
return 0;
}
return 1;
}
static int run_foo(void) {
int i;
for (i = 0; i < 1; i++) {
const foo *myfoo = get_foo(i);
if (foo_loop(myfoo))
return 0;
}
return -1;
}
typedef struct hack {
int (*func)(void);
} hack;
hack myhack = {
.func = run_foo,
};
|
the_stack_data/74233.c | // RUN: %clang_cc1 %s -emit-llvm -o /dev/null
struct item {
short delta[4];
};
int TEST(int nt) {
register struct item *aa;
aa[nt].delta;
return 1;
}
|
the_stack_data/53575.c | // vim: noai:ts=4:sw=4
/*
recipe:
> `gcc --std=c99 gausselim.c -o gausselim`
> define TEST macro for running tests: `gcc --std=c99 -DTEST gausselim.c -o gausselim`
> define PRINTDEBUG macro for printing intermediate results
> define NOMAIN macro for compiling without main()
*/
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <math.h>
#ifdef TEST
#include <assert.h>
#endif
int gauss_elim(int m, int n, double A[][n], double* x, bool do_partial_pivoting, bool augmented_matrix, int precision);
int eliminate(int m, int n, double A[][n], bool do_partial_pivoting, bool augmented_matrix, int precision);
int substitute(int m, int n, double A[][n], double* x, int precision);
double round_to_digits(double value, int digits);
static int find_row_index_with_max_pivot(int m, int n, double A[][n], int i, int k);
static void row_swap(int n, double A[][n], int i, int j);
static void swap_element(int n, double A[][n], int i, int j, int c);
static bool row_is_all_zeros(int n, double A[][n], int row, int last_index);
static void debug_matrix_with_pivot_info(int m, int n, double A[][n], int pivot_index, const char* heading);
static void debug_matrix(int m, int n, double A[][n]);
static void print_matrix(int m, int n, double A[][n]);
static void debug_message(const char* message, ...);
static void print_error(const char* message, ...);
#define EPSILON 0.0001
#ifdef TEST
void test_1()
{
double matrix_A[4][5] = {
{ 0, 2, 0, 1, 0 },
{ 2, 2, 3, 2, -2 },
{ 4, -3, 0, 1, -7 },
{ 6, 1, -6, -5, 6 }
};
double x[4];
int ret = gauss_elim(4, 5, matrix_A, x, true, true, 10);
assert(ret == 0);
assert(fabs(x[0] - -0.5) <= EPSILON);
assert(fabs(x[1] - 1.0) <= EPSILON);
assert(fabs(x[2] - 0.3333) <= EPSILON);
assert(fabs(x[3] - -2.0) <= EPSILON);
/* without partial pivoting */
double matrix_AA[4][5] = {
{ 0, 2, 0, 1, 0 },
{ 2, 2, 3, 2, -2 },
{ 4, -3, 0, 1, -7 },
{ 6, 1, -6, -5, 6 }
};
ret = gauss_elim(4, 5, matrix_AA, x, false, true, 10);
assert(ret == 0);
assert(fabs(x[0] - -0.5) <= EPSILON);
assert(isnan(x[1]));
assert(isnan(x[2]));
assert(isnan(x[3]));
}
void test_2()
{
double matrix_A[5][6] = {
{ 13, 4, 5, 0, 9, 101 },
{ 33, -2, -7, 8, 0, 3 },
{ 23, 32, 9, 5, 1, 7 },
{ 54, 34, 87, 2, 4, 66 },
{ -5, 6, 7, 8, 9, 10 }
};
double x[5];
int ret = gauss_elim(5, 6, matrix_A, x, true, true, 10);
assert(ret == 0);
assert(fabs(x[0] - 1.7424) <= EPSILON);
assert(fabs(x[1] - -0.0149) <= EPSILON);
assert(fabs(x[2] - -0.5640) <= EPSILON);
assert(fabs(x[3] - -7.3098) <= EPSILON);
assert(fabs(x[4] - 9.0253) <= EPSILON);
/* without partial pivoting */
double matrix_AA[5][6] = {
{ 13, 4, 5, 0, 9, 101 },
{ 33, -2, -7, 8, 0, 3 },
{ 23, 32, 9, 5, 1, 7 },
{ 54, 34, 87, 2, 4, 66 },
{ -5, 6, 7, 8, 9, 10 }
};
ret = gauss_elim(5, 6, matrix_AA, x, false, true, 10);
assert(ret == 0);
assert(fabs(x[0] - 1.7424) <= EPSILON);
assert(fabs(x[1] - -0.0149) <= EPSILON);
assert(fabs(x[2] - -0.5640) <= EPSILON);
assert(fabs(x[3] - -7.3098) <= EPSILON);
assert(fabs(x[4] - 9.0253) <= EPSILON);
}
void test_3()
{
double matrix_A[][4] = {
{ 1, 0, -5, 0 }, // father 5 times older than child
{ 1, 1, 0, 99 }, // sum of parents' age is 99
{ 0, 1, -3.5, 0 } // mother 3.5 times older than child
};
double x[3];
int ret = gauss_elim(3, 4, matrix_A, x, true, true, 10);
assert(ret == 0);
assert(fabs(x[0] - 58.2353) <= EPSILON);
assert(fabs(x[1] - 40.7647) <= EPSILON);
assert(fabs(x[2] - 11.6471) <= EPSILON);
/* without partial pivoting */
double matrix_AA[][4] = {
{ 1, 0, -5, 0 }, // father 5 times older than child
{ 1, 1, 0, 99 }, // sum of parents' age is 99
{ 0, 1, -3.5, 0 } // mother 3.5 times older than child
};
ret = gauss_elim(3, 4, matrix_AA, x, false, true, 10);
assert(ret == 0);
assert(fabs(x[0] - 58.2353) <= EPSILON);
assert(fabs(x[1] - 40.7647) <= EPSILON);
assert(fabs(x[2] - 11.6471) <= EPSILON);
}
#endif
#ifndef NOMAIN
int main(int argc, char** argv)
{
printf("******* Gaussian Elimination Program ******\n");
#ifdef TEST
printf("Running tests\n");
test_1();
test_2();
test_3();
printf("Finished running tests\n");
return 0;
#else
/** input: parse command line arguments **/
if (argc < 2)
{
printf("ERROR: Provide a matrix as input\n");
return -1;
}
bool do_partial_pivot = true;
bool augmented_matrix = true;
int arg_i = 1;
while (strncmp(argv[arg_i], "--", 2) == 0)
{
if (strcmp(argv[arg_i], "--no-pivot") == 0)
{
do_partial_pivot = false;
}
else if (strcmp(argv[arg_i], "--no-aug") == 0)
{
augmented_matrix = false;
}
else if (strlen(argv[arg_i]) != 2)
{
printf("WARNING: unrecognized option %s\n", argv[arg_i]);
}
arg_i++;
}
int precision = atoi(argv[arg_i]);
int n = atoi(argv[arg_i + 1]);
int elements_start = arg_i + 2;
int m = (argc - elements_start) / n;
if (n < 1 || m < 1)
{
printf("ERROR: The input matrix must have at least one row and column\n");
return -1;
}
printf("Number of columns = %d, Number of rows = %d\n", n, m);
double A[m][n];
for (int i = elements_start; i < argc; i++)
{
int col = (i - elements_start) % n;
int row = (i - elements_start) / n;
A[row][col] = atof(argv[i]);
}
/** run **/
double x[n - 1];
int ret = gauss_elim(m, n, A, x, do_partial_pivot, augmented_matrix, precision);
if (ret == 0)
{
printf("\nOutput\n");
if (augmented_matrix)
{
for (int i = 0; i < sizeof(x)/sizeof(double); i++)
{
printf("x[%d] = %8.10f\n", i, x[i]);
}
}
else
{
print_matrix(m, n, A);
}
}
return ret;
#endif
}
#endif // NOMAIN
/**
* Given a matrix A of size mxn, performs Gaussian Elimination
* by doing forward elimination and backward substituion, and puts the
* result in the given array x.
* Partial pivoting is performed to avoid pitfalls, if opted.
*/
int gauss_elim(int m, int n, double A[][n], double* x, bool do_partial_pivoting, bool augmented_matrix, int precision)
{
/** Dump for debugging **/
debug_matrix(m, n, A);
/** forward elimination **/
int ret = eliminate(m, n, A, do_partial_pivoting, augmented_matrix, precision);
/** back substitution **/
if (augmented_matrix) ret |= substitute(m, n, A, x, precision);
return ret;
}
int eliminate(int m, int n, double A[][n], bool do_partial_pivoting, bool augmented_matrix, int precision)
{
int numCoeffCols = augmented_matrix ? n - 1 : n;
int numPivots = (m > numCoeffCols) ? numCoeffCols : (m - 1);
for (int k = 0; k < numPivots; k++)
{
// 1. check if partial pivoting is needed
double pivot = A[k][k];
// a. divide by zero
if (do_partial_pivoting == true && pivot == 0)
{
// interchange A[i] with A[r] where A[r][k] is max
int r = find_row_index_with_max_pivot(m, n, A, k, k);
row_swap(n, A, k, r);
pivot = A[k][k]; // update the pivot because we have swapped
debug_matrix_with_pivot_info(m, n, A, k, "div0");
}
for (int i = k + 1; i < m; i++) // for all rows below the pivot row Rp
{
// b. round-off error
if (do_partial_pivoting == true && fabs(pivot) < fabs(A[i][k]))
{
row_swap(n, A, k, i);
pivot = A[k][k]; // update the pivot because we have swapped
debug_matrix_with_pivot_info(m, n, A, k, "round-off");
}
if (A[i][k] == 0) continue;
// 2. eliminate
double multiplier = round_to_digits(A[i][k] / pivot, precision); // division operation
A[i][k] = 0; // set A[i][k] to zero directly
for (int j = k + 1; j < n; j++) // rest of the columns
{
A[i][j] -= round_to_digits(A[k][j] * multiplier, precision); // subtraction and multiplication operations
A[i][j] = round_to_digits(A[i][j], precision);
}
}
debug_matrix_with_pivot_info(m, n, A, k, "elim");
}
return 0;
}
int substitute(int m, int n, double A[][n], double* x, int precision)
{
bool x_solved[n];
memset(x_solved, false, n);
for (int i = m - 1; i >= 0; i--)
{
double b = A[i][n - 1];
if (row_is_all_zeros(n, A, i, n - 1))
{
if ((int)b == 0)
{
debug_message("Skipping row %d as it's all zeros\n", i);
}
else
{
print_error("ERROR: non-zero b %8.10f for zero row %d.. inconsistent system.\n", b, i);
return -2;
}
}
char unsolved_index = -1;
// verify that the row is solved
for (int j = 0; j < n - 1; j++)
{
if (A[i][j] != 0)
{
if (x_solved[j] == false)
{
if (unsolved_index >= 0)
{
debug_message("Free variable %d found.. infinite solutions exist. Picking value 1\n", j);
b -= A[i][j];
x[j] = 1;
x_solved[j] = true;
continue;
}
unsolved_index = j;
}
else
{
b -= round_to_digits(A[i][j] * x[j], precision);
b = round_to_digits(b, precision);
}
}
}
if (unsolved_index >= 0)
{
x[unsolved_index] = round_to_digits(b / A[i][unsolved_index], precision);
x_solved[unsolved_index] = true;
}
}
return 0;
}
// https://stackoverflow.com/a/13094362
double round_to_digits(double value, int digits)
{
if (value == 0.0) // otherwise it will return 'nan' due to the log10() of zero
return 0.0;
double factor = pow(10.0, digits - ceil(log10(fabs(value))));
return round(value * factor) / factor;
}
/**
* Finds the max element in the given column k from rows i to m, and returns the row index
* having the max element.
*/
static int find_row_index_with_max_pivot(int m, int n, double A[][n], int i, int k)
{
int maxIndex = i;
double max = A[i][k];
for (i = i + 1; i < m; i++)
{
if (A[i][k] > max)
{
max = A[i][k];
maxIndex = i;
}
}
return maxIndex;
}
/**
* Swaps rows i and j
*/
static void row_swap(int n, double A[][n], int i, int j)
{
for (int col = 0; col < n; col++)
{
swap_element(n, A, i, j, col);
}
}
static void swap_element(int n, double A[][n], int i, int j, int c)
{
A[i][c] += A[j][c];
A[j][c] = A[i][c] - A[j][c];
A[i][c] = A[i][c] - A[j][c];
}
static bool row_is_all_zeros(int n, double A[][n], int row, int last_index)
{
bool zeros = true;
for (int j = 0; j < last_index; j++)
{
if (A[row][j] != 0)
{
zeros = false;
break;
}
}
return zeros;
}
static void debug_matrix_with_pivot_info(int m, int n, double A[][n], int pivot_index, const char* heading)
{
#ifdef PRINTDEBUG
printf("k = %d\n", pivot_index);
printf("-------%s---------\n", heading);
print_matrix(m, n, A);
#endif
}
static void debug_matrix(int m, int n, double A[][n])
{
#ifdef PRINTDEBUG
print_matrix(m, n, A);
#endif
}
void print_matrix(int m, int n, double A[][n])
{
for (int i = 0; i < m; i++)
{
printf("[%d]: ", i);
for (int j = 0; j < n; j++)
{
printf("%8.10f ", A[i][j]);
}
printf("\n");
}
}
static void debug_message(const char* message, ...)
{
#ifdef PRINTDEBUG
va_list args;
va_start(args, message);
vprintf(message, args);
va_end(args);
#endif
}
static void print_error(const char* message, ...)
{
va_list args;
va_start(args, message);
vfprintf(stderr, message, args);
va_end(args);
}
|
the_stack_data/672301.c | #include <wchar.h>
int wcsncmp(const wchar_t *l, const wchar_t *r, size_t n)
{
for (; n && *l==*r && *l && *r; n--, l++, r++);
return n ? *l - *r : 0;
}
|
the_stack_data/161081337.c | #include <stdio.h>
#include <math.h>
#include <stdlib.h>
/**
* jump_search - searches for value in sorted array using Jump search algorithm
* @array: sorted array
* @size: size of array
* @value: value to find in the array
* Return: index position of value in array or minus if value not in array
*/
int jump_search(int *array, size_t size, int value)
{
size_t jump;
size_t left;
size_t right;
size_t i;
char *text;
char *text1;
jump = sqrt(size);
left = 0;
right = 0;
i = 0;
text = "Value found between indexes";
text1 = "Value checked array";
while (left < size && array[left] <= value)
{
printf("%s[%d] = [%d]\n", text1, array[right], array[right]);
if ((size - 1) < (left + jump))
right = (size - 1);
else
right = (left + jump);
if (array[left] <= value && array[right] >= value)
break;
left += jump;
}
if (left > right)
printf("%s [%lu] and [%lu]\n", text, right, left);
else
printf("%s [%lu] and [%lu]\n", text, left, right);
if (array[size - 1] < value)
printf("%s[%d] = [%d]\n", text1, array[right], array[right]);
if (left >= size || array[left] > value)
return (-1);
if ((size - 1) < right)
right = (size - 1);
else
right = right;
for (i = left; i <= right && array[i] <= value; i++)
{
if (array[i] == value)
{
printf("%s[%lu] = [%d]\n", text1, i, array[i]);
return (i);
}
printf("%s[%lu] = [%d]\n", text1, i, array[i]);
}
return (-1);
}
|
the_stack_data/415615.c | //
// main.c
// task10.1
//
// Created by Anna P. on 11.04.17.
// Copyright © 2017 Anna P. All rights reserved.
//
//10. Створити нову функцію, ICPrintParents, яка б викликала ICPrint та сама виводила "Hello, papa!", викликати цю функцію з main, поексперіментувати зі взаєморозташування ICPrintParents відносно ICPrint та main, спробувати варіанти з використанням декларацій та без, розповісти, які варіанти розташування спробували та я кі з них спрацювали, а які - ні.
#include <stdio.h>
void ICPrint();
void ICPrintParents();
int main(int argc, const char * argv[]) {
ICPrintParents();
return 0;
}
void ICPrintParents() {
ICPrint();
printf("Hello, papa!\n");
}
void ICPrint() {
printf("Hello, mama!\n");
}
|
the_stack_data/94775.c | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#define container_of(ptr, type, member) \
((type *)((char *)(ptr) - (size_t)&(((type *)0)->member)))
#define list_entry(ptr, type, member) \
container_of(ptr, type, member)
#define list_first_entry(ptr, type, field) list_entry((ptr)->next, type, field)
#define list_for_each_entry(pos, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member); \
&(pos)->member != (head); \
pos = list_entry((pos)->member.next, typeof(*pos), member))
struct list_head {
struct list_head *next, *prev;
};
static inline void INIT_LIST_HEAD(struct list_head *list)
{
list->next = list->prev = list;
}
static inline int list_empty(const struct list_head *head)
{
return (head->next == head);
}
static inline void __list_add(struct list_head *new, struct list_head *prev, struct list_head *next)
{
next->prev = new;
new->next = next;
new->prev = prev;
prev->next = new;
}
static inline void list_add(struct list_head *_new, struct list_head *head)
{
__list_add(_new, head, head->next);
}
static inline void list_add_tail(struct list_head *_new, struct list_head *head)
{
__list_add(_new, head->prev, head);
}
static inline void __list_del(struct list_head *entry)
{
entry->next->prev = entry->prev;
entry->prev->next = entry->next;
}
static inline void list_del(struct list_head *entry)
{
__list_del(entry);
entry->next = entry->prev = NULL;
}
struct word_node {
int step;
char *word;
struct list_head node;
struct list_head link;
};
static int BKDRHash(char* str, int size)
{
int seed = 131; // 31 131 1313 13131 131313 etc..
unsigned int hash = 0 ;
while (*str != '\0') {
hash = hash * seed + (*str++);
}
return hash % size;
}
static struct word_node *find(char *word, struct list_head *dict, int size)
{
struct word_node *node;
int hash = BKDRHash(word, size);
list_for_each_entry(node, &dict[hash], node) {
if (node->step == 0 && !strcmp(node->word, word)) {
return node;
}
}
return NULL;
}
static int ladderLength(char* beginWord, char* endWord, char** wordList, int wordListSize)
{
int i, len = strlen(beginWord);
char *word = malloc(len + 1);
struct list_head queue;
struct word_node *node;
struct list_head *dict = malloc(wordListSize * sizeof(*dict));
for (i = 0; i < wordListSize; i++) {
INIT_LIST_HEAD(dict + i);
}
/* Add into hash list */
bool found = false;
for (i = 0; i < wordListSize; i++) {
node = malloc(sizeof(*node));
node->word = wordList[i];
node->step = 0;
int hash = BKDRHash(wordList[i], wordListSize);
list_add(&node->node, &dict[hash]);
if (!strcmp(endWord, wordList[i])) {
found = true;
}
}
if (!found) {
return 0;
}
/* FIFO */
INIT_LIST_HEAD(&queue);
struct word_node *first = malloc(sizeof(*node));
first->word = beginWord;
first->step = 1;
/* BFS with FIFO for shortest path */
while (strcmp(first->word, endWord)) {
strcpy(word, first->word);
for (i = 0; i < len; i++) {
char c;
char o = word[i];
for (c = 'a'; c <= 'z'; c++) {
if (c == o) continue;
word[i] = c;
node = find(word, dict, wordListSize);
if (node != NULL) {
/* enqueue */
list_add_tail(&node->link, &queue);
node->step = first->step + 1;
}
}
word[i] = o;
}
if (list_empty(&queue)) {
return 0;
} else {
/* dequeue */
first = list_first_entry(&queue, struct word_node, link);
list_del(&first->link);
}
}
return first->step;
}
int main(int argc, char **argv)
{
if (argc < 3) {
fprintf(stderr, "Usage: ./test begin end dict...\n");
exit(-1);
}
printf("%d\n", ladderLength(argv[1], argv[2], argv + 3, argc - 3));
return 0;
}
|
the_stack_data/68889271.c | #include <stdio.h>
int main(void)
{
char ch;
int i;
i = 1000;
ch = i;
printf("%d", ch);
return 0;
} |
the_stack_data/150141995.c | #include<stdio.h>
#include <unistd.h>
main()
{ printf("Before Exec()");
execl("/bin/ls","ls","-l",(char*)0);
printf("After");
}
|
the_stack_data/212641992.c | /* Test to strtod etc for numbers like x000...0000.000e-nn.
This file is part of the GNU C Library.
Copyright (C) 2001-2015 Free Software Foundation, Inc.
Contributed by Ulrich Drepper <[email protected]>, 2001.
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int
main (void)
{
char buf[300];
int cnt;
int result = 0;
for (cnt = 0; cnt < 200; ++cnt)
{
ssize_t n;
float f;
n = sprintf (buf, "%d", cnt);
memset (buf + n, '0', cnt);
sprintf (buf + n + cnt, ".000e-%d", cnt);
f = strtof (buf, NULL);
if (f != (float) cnt)
{
printf ("strtof(\"%s\") failed for cnt == %d (%g instead of %g)\n",
buf, cnt, f, (float) cnt);
result = 1;
}
else
printf ("strtof() fine for cnt == %d\n", cnt);
}
for (cnt = 0; cnt < 200; ++cnt)
{
ssize_t n;
double f;
n = sprintf (buf, "%d", cnt);
memset (buf + n, '0', cnt);
sprintf (buf + n + cnt, ".000e-%d", cnt);
f = strtod (buf, NULL);
if (f != (double) cnt)
{
printf ("strtod(\"%s\") failed for cnt == %d (%g instead of %g)\n",
buf, cnt, f, (double) cnt);
result = 1;
}
else
printf ("strtod() fine for cnt == %d\n", cnt);
}
for (cnt = 0; cnt < 200; ++cnt)
{
ssize_t n;
long double f;
n = sprintf (buf, "%d", cnt);
memset (buf + n, '0', cnt);
sprintf (buf + n + cnt, ".000e-%d", cnt);
f = strtold (buf, NULL);
if (f != (long double) cnt)
{
printf ("strtold(\"%s\") failed for cnt == %d (%Lg instead of %Lg)\n",
buf, cnt, f, (long double) cnt);
result = 1;
}
else
printf ("strtold() fine for cnt == %d\n", cnt);
}
return result;
}
|
the_stack_data/144188.c | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct Nameval Nameval;
struct Nameval
{
char *name;
int value;
};
struct NVtab
{
int nval;
int max;
Nameval *nameval;
} nvtab;
enum
{
NVINIT = 1,
NVGROW = 2
};
struct NVtab addname(Nameval newname, int l_nval, int l_max, Nameval *l_nameval)
{
struct NVtab LI;
Nameval *nvp;
LI.nval = l_nval;
LI.max = l_max;
LI.nameval = l_nameval;
if (LI.nameval == NULL)
{
LI.nameval = (Nameval *)malloc(NVINIT * sizeof(Nameval));
if (LI.nameval == NULL)
exit(EXIT_FAILURE);
LI.max = NVINIT;
LI.nval = 0;
}
else if (LI.nval >= LI.max)
{
nvp = (Nameval *)realloc(LI.nameval, (NVGROW * LI.max) * sizeof(Nameval));
if (nvp == NULL)
{
exit(EXIT_FAILURE);
}
LI.max *= NVGROW;
LI.nameval = nvp;
}
LI.nameval[LI.nval] = newname;
LI.nval++;
return LI;
}
struct NVtab delname(char *name, int l_nval, int l_max, Nameval *l_nameval)
{
struct NVtab LII;
LII.nval = l_nval;
LII.max = l_max;
LII.nameval = l_nameval;
for (int i = 0; i < LII.nval; i++)
if (strcmp(LII.nameval[i].name, name) == 0)
{
memmove(LII.nameval + i, LII.nameval + i + 1, (LII.nval - (i + 1)) * sizeof(Nameval));
LII.nval--;
return LII;
}
return LII;
}
int main(void)
{
nvtab = addname((struct Nameval){.name = "Andy", .value = 12}, nvtab.nval, nvtab.max, nvtab.nameval);
nvtab = addname((struct Nameval){.name = "Billy", .value = 18}, nvtab.nval, nvtab.max, nvtab.nameval);
nvtab = delname("Billy", nvtab.nval, nvtab.max, nvtab.nameval);
for (int i = 0; i < nvtab.nval; i++)
{
printf("%s %d\n", nvtab.nameval[i].name, nvtab.nameval[i].value);
}
return 0;
}
|
the_stack_data/26700216.c | /***************************************************************************
* * FILE: ser_pi_calc.c
* * DESCRIPTION:
* * Serial pi Calculation - C Version
* * This program calculates pi using a "dartboard" algorithm. See
* * Fox et al.(1988) Solving Problems on Concurrent Processors, vol.1
* * page 207.
* * AUTHOR: unknown
* * REVISED: 02/23/12 Blaise Barney
* ***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
void srandom (unsigned seed);
double dboard (int darts);
#define DARTS 10000 /* number of throws at dartboard */
#define ROUNDS 100 /* number of times "darts" is iterated */
int main(int argc, char *argv[])
{
double pi; /* average of pi after "darts" is thrown */
double avepi; /* average pi value for all iterations */
int i, n;
printf("Starting serial version of pi calculation using dartboard algorithm...\n");
srandom (5); /* seed the random number generator */
avepi = 0;
for (i = 0; i < ROUNDS; i++) {
/* Perform pi calculation on serial processor */
pi = dboard(DARTS);
avepi = ((avepi * i) + pi)/(i + 1);
printf(" After %3d throws, average value of pi = %10.8f\n",
(DARTS * (i + 1)),avepi);
}
printf("\nReal value of PI: 3.1415926535897 \n");
}
/*****************************************************************************
* * dboard
* *****************************************************************************/
#define sqr(x) ((x)*(x))
long random(void);
double dboard(int darts)
{
double x_coord, /* x coordinate, between -1 and 1 */
y_coord, /* y coordinate, between -1 and 1 */
pi, /* pi */
r; /* random number scaled between 0 and 1 */
int score, /* number of darts that hit circle */
n;
unsigned int cconst; /* must be 4-bytes in size */
/*************************************************************************
* * The cconst variable must be 4 bytes. We check this and bail if it is
* * not the right size
* ************************************************************************/
if (sizeof(cconst) != 4) {
printf("Wrong data size for cconst variable in dboard routine!\n");
printf("See comments in source file. Quitting.\n");
exit(1);
}
/* 2 bit shifted to MAX_RAND later used to scale random number between 0 and 1 */
cconst = 2 << (31 - 1);
score = 0;
/***********************************************************************
* * Throw darts at board. Done by generating random numbers
* * between 0 and 1 and converting them to values for x and y
* * coordinates and then testing to see if they "land" in
* * the circle." If so, score is incremented. After throwing the
* * specified number of darts, pi is calculated. The computed value
* * of pi is returned as the value of this function, dboard.
* ************************************************************************/
for (n = 1; n <= darts; n++) {
/* generate random numbers for x and y coordinates */
r = (double)random()/cconst;
x_coord = (2.0 * r) - 1.0;
r = (double)random()/cconst;
y_coord = (2.0 * r) - 1.0;
/* if dart lands in circle, increment score */
if ((sqr(x_coord) + sqr(y_coord)) <= 1.0)
score++;
}
/* calculate pi */
pi = 4.0 * (double)score/(double)darts;
return(pi);
}
|
the_stack_data/165769252.c | #include <stdio.h>
void sort(int *number, int n) {
int temp = 0, j, i;
for (i = 1; i < n; i++) {
for (j = 0; j < n - i; j++) {
if (number[j] > number[j + 1]) {
temp = number[j];
number[j] = number[j + 1];
number[j + 1] = temp;
}
}
}
}
int main(void) {
int triangle_sides[4], temp;
// input 4 lengths
for (int i = 0; i < 4; i++)
scanf("%d", &triangle_sides[i]);
// sort the length
sort(triangle_sides, 4);
if (triangle_sides[2] < triangle_sides[0] + triangle_sides[1]
|| triangle_sides[3] < triangle_sides[1] + triangle_sides[2]) {
printf("S\n");
} else {
printf("N\n");
}
return 0;
} |
the_stack_data/145200.c | // Synchronization Process
// Coded by : Yehezk34, MatondangR
// This's used to protect a counter inside a shared memory region.
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <semaphore.h> // Semaphores!
#define SHARED_MEM_SIZE 4
int shared_fd = -1;
int32_t* counter = NULL;
sem_t* semaphore = NULL;
void init_control_mechanism() {
semaphore = sem_open("/sem0", O_CREAT | O_EXCL, 0600, 1);
if (semaphore == SEM_FAILED) {
fprintf(stderr, "ERROR: Opening the semaphore failed: %s\n",
strerror(errno));
exit(1);
}
}
void shutdown_control_mechanism() {
if (sem_close(semaphore) < 0) {
fprintf(stderr, "ERROR: Closing the semaphore failed: %s\n",
strerror(errno));
exit(1);
}
if (sem_unlink("/sem0") < 0) {
fprintf(stderr, "ERROR: Unlinking failed: %s\n",
strerror(errno));
exit(1);
}
}
void init_shared_resource() {
shared_fd = shm_open("/shm0", O_CREAT | O_RDWR, 0600);
if (shared_fd < 0) {
fprintf(stderr, "ERROR: Failed to create shared mem: %s\n",
strerror(errno));
exit(1);
}
fprintf(stdout, "Shared memory fd is: %d\n", shared_fd);
}
void shutdown_shared_resource() {
if (shm_unlink("/shm0") < 0) {
fprintf(stderr, "ERROR: Unlinking failed: %s\n",
strerror(errno));
exit(1);
}
}
void inc_counter() {
usleep(1);
sem_wait(semaphore);
int32_t temp = *counter;
usleep(1);
temp++;
usleep(1);
*counter = temp;
sem_post(semaphore);
usleep(1);
}
int main(int argc, char** argv) {
init_shared_resource();
init_control_mechanism();
if (ftruncate(shared_fd, SHARED_MEM_SIZE * sizeof(char)) < 0) {
fprintf(stderr, "ERROR: Truncation failed: %s\n",
strerror(errno));
return 1;
}
fprintf(stdout, "The memory region is truncated.\n");
void* map = mmap(0, SHARED_MEM_SIZE, PROT_WRITE,
MAP_SHARED, shared_fd, 0);
if (map == MAP_FAILED) {
fprintf(stderr, "ERROR: Mapping failed: %s\n",
strerror(errno));
return 1;
}
counter = (int32_t*)map;
*counter = 0;
pid_t pid = fork();
if (pid) {
inc_counter();
fprintf(stdout, "Parent process sees the counter as %d.\n",
*counter);
int status = -1;
wait(&status);
fprintf(stdout, "Child process finished with status %d.\n",
status);
}
else {
inc_counter();
fprintf(stdout, "Child process sees the counter as %d.\n",
*counter);
}
if (munmap(counter, SHARED_MEM_SIZE) < 0) {
fprintf(stderr, "ERROR: Unmapping failed: %s\n",
strerror(errno));
return 1;
}
if (close(shared_fd) < 0) {
fprintf(stderr, "ERROR: Closing the fd filed: %s\n",
strerror(errno));
return 1;
}
if (pid) {
shutdown_shared_resource();
shutdown_control_mechanism();
}
return 0;
}
|
the_stack_data/225144536.c | #include <stdio.h>
#include <stdlib.h>
typedef struct no NO;
struct no{
int chave;
NO *prox;
};
NO *criaNO(int chave);
int tamanho(NO *ptInicio);
int buscar (int chave, NO *ptInicio); //1 - Existe | 2 - Não existe
void addNOInicio(int chave, NO **ptInicio, NO **ptFim);
void addNOFim (int chave, NO **ptInicio, NO **ptFim);
void addNOMeio (int chave, int posicao, NO **ptInicio, NO **ptFim);
void rmvNOInicio(NO **ptInicio, NO **ptFim);
void rmvNOFim (NO **ptInicio, NO **ptFim);
void rmvNOMeio (int chave, NO **ptInicio, NO **ptFim);
void rmv (int chave, NO **ptInicio, NO **ptFim);
void rmvPosicao (int posicao, NO **ptInicio, NO **ptFim);
void imprimeListaRecursiva(NO *ptInicio);
void imprimeListaIterativa(NO *ptInicio);
int main(){
/*
NO *ptInicio = NULL;
NO *ptFim = NULL;
addNOInicio(10, &ptInicio, &ptFim);
addNOInicio(17, &ptInicio, &ptFim);
addNOInicio(99, &ptInicio, &ptFim);
addNOInicio(72, &ptInicio, &ptFim);
addNOFim (42, &ptInicio, &ptFim);
addNOMeio (37, 3, &ptInicio, &ptFim);
imprimeListaIterativa(ptInicio);
printf("Tamanho: %d\n", tamanho(ptInicio));
rmvPosicao (3, &ptInicio, &ptFim);
rmvNOInicio(&ptInicio, &ptFim);
rmvNOFim (&ptInicio, &ptFim);
rmvNOMeio (37, &ptInicio, &ptFim);
imprimeListaRecursiva(ptInicio);
printf("Tamanho: %d\n", tamanho(ptInicio));
*/
return 0;
}
NO *criaNO(int chave){
NO *novo = malloc(sizeof(NO));
novo->chave = chave;
novo->prox = NULL;
return novo;
}
int tamanho(NO *ptInicio){
if(ptInicio == NULL) return 0;
else return 1 + tamanho(ptInicio->prox);
}
int buscar(int chave, NO *ptInicio){ //O(n)
if(ptInicio != NULL){
if(ptInicio->chave == chave) return 1;
else return buscar(chave, ptInicio->prox);
} else{
printf("Chave %d não encontrado!\n", chave);
return 0;
}
}
void addNOInicio(int chave, NO **ptInicio, NO **ptFim){ // Add Inicio - O(1)
printf("-----------------------\n");
printf("ADD_INICIO. CHAVE = %d\n", chave);
if(buscar(chave, (*ptInicio)) == 0){
NO **no = malloc(sizeof(NO*));
(*no) = criaNO(chave);
//Direcionando o ponteiro fim. Caso seja o primeiro elemento.
if((*ptInicio) == NULL && (*ptFim) == NULL) (*ptFim) = (*no);
(*no)->prox = (*ptInicio);
(*ptInicio) = (*no);
printf("Chave %d adicionada!\n", chave);
} else printf("Chave %d existe! Não adicionado!\n", chave);
printf("-----------------------\n");
}
void addNOFim(int chave, NO **ptInicio, NO **ptFim){ // Add Fim - O(1)
printf("-----------------------\n");
printf("ADD_FIM. CHAVE = %d\n", chave);
if(buscar(chave, (*ptInicio)) == 0){
NO **no = malloc(sizeof(NO*));
(*no) = criaNO(chave);
//Direcionando o ponteiro inicio. Caso seja o primeiro elemento.
if((*ptInicio) == NULL && (*ptFim) == NULL) (*ptInicio) = (*no);
(*ptFim)->prox = (*no);
(*ptFim) = (*no);
printf("Chave %d adicionada!\n", chave);
} else printf("Chave %d existe! Não adicionado!\n", chave);
printf("-----------------------\n");
}
void addNOMeio(int chave, int posicao, NO **ptInicio, NO **ptFim){//O(n). Caso médio = O(n/2) = O(n)
printf("-----------------------\n");
printf("ADD_MEIO. CHAVE = %d\n", chave);
printf("POSICAO: %d\n", posicao);
if(buscar(chave, (*ptInicio)) == 0){
int tamanhoLista = tamanho((*ptInicio));
if(posicao <= 0) addNOInicio(chave, &(*ptInicio), &(*ptFim));
else if(posicao >= tamanhoLista) addNOFim(chave, &(*ptInicio), &(*ptFim));
else{
NO **no = malloc(sizeof(NO*));
(*no) = criaNO(chave);
//Procura a posicao. Posição da lista inicia em '0', como em um vetor.
NO *ptAux = (*ptInicio);
for(int i = 0; i < posicao-1; i++) ptAux = ptAux->prox;
(*no)->prox = ptAux->prox;
ptAux->prox = (*no);
printf("Chave %d adicionada!\n", chave);
}
} else printf("Chave %d existe! Não adicionado!\n", chave);
printf("-----------------------\n");
}
void rmvNOInicio(NO **ptInicio, NO **ptFim){//O(1)
printf("-----------------------\n");
if((*ptInicio) != NULL){
printf("RMV_INICIO. CHAVE = %d\n", (*ptInicio)->chave);
NO *lixo;
lixo = (*ptInicio);
if((*ptInicio) == (*ptFim)){ //Se existir apenas um elemento para ser removido
(*ptInicio) = NULL;
(*ptFim) = NULL;
} else (*ptInicio) = (*ptInicio)->prox;
int miniBuff = lixo->chave;
free(lixo);
printf("Chave %d removida!\n", miniBuff);
printf("-----------------------\n");
} else{
printf("RMV_INICIO FALHOU!\n");
printf("-----------------------\n");
}
}
void rmvNOFim(NO **ptInicio, NO **ptFim){//O(n) pois tem que referenciar o penultimo
printf("-----------------------\n");
if((*ptFim) != NULL){
printf("RMV_FIM. CHAVE = %d\n", (*ptFim)->chave);
NO *lixo;
lixo = (*ptFim);
if((*ptInicio) == (*ptFim)){ //Se existir apenas um elemento para ser removido
(*ptInicio) = NULL;
(*ptFim) = NULL;
} else{ // Se não, tem que pegar o penultimo 'O(n)' e referenciar
NO *aux = (*ptInicio);
while (1){
if(aux->prox == (*ptFim)) break;
else aux = aux->prox;
}
(*ptFim) = aux;
(*ptFim)->prox = NULL;
}
int miniBuff = lixo->chave;
free(lixo);
printf("Chave %d removida!\n", miniBuff);
printf("-----------------------\n");
} else{
printf("RMV_INICIO FALHOU!\n");
printf("-----------------------\n");
}
}
//Remove o primeiro 'NO' com a chave igual
void rmvNOMeio(int chave, NO **ptInicio, NO **ptFim){ //O(n)
printf("-----------------------\n");
if((*ptInicio) != NULL){
printf("RMV_MEIO. CHAVE = %d\n", chave);
//Verificar se a chave existe
if(buscar(chave, (*ptInicio)) == 1){
NO *aux;
aux = (*ptInicio);
NO *lixo;
while(1){
if(aux->prox->chave == chave){
lixo = aux->prox;
aux->prox = aux->prox->prox;
break;
} else aux = aux->prox;
}
int miniBuff = lixo->chave;
free(lixo);
printf("Chave %d removida!\n", miniBuff);
printf("-----------------------\n");
} else{
printf("RMV_MEIO FALHOU!\n");
printf("-----------------------\n");
}
} else{
printf("RMV_MEIO FALHOU!\n");
printf("-----------------------\n");
}
}
void rmv(int chave, NO **ptInicio, NO **ptFim){
if(chave == (*ptInicio)->chave) rmvNOInicio(&(*ptInicio), &(*ptFim));
else if(chave == (*ptFim)->chave) rmvNOFim(&(*ptInicio), &(*ptFim));
else rmvNOMeio(chave, &(*ptInicio), &(*ptFim));
}
void rmvPosicao(int posicao, NO **ptInicio, NO **ptFim){
printf("-----------------------\n");
printf("RMV_POSICAO = %d\n", posicao);
if(posicao <= 0) rmvNOInicio(&(*ptInicio), &(*ptFim));
else if(posicao >= tamanho((*ptInicio))-1) rmvNOFim(&(*ptInicio), &(*ptFim));
else{
NO *lixo = NULL;
NO *ptAux = (*ptInicio);
for(int i = 0; i < posicao-2; i++) ptAux = ptAux->prox;
lixo = ptAux->prox;
ptAux->prox = ptAux->prox->prox;
int miniBuff = lixo->chave;
free(lixo);
printf("CHAVE %d REMOVINA DA POSICAO %d\n", miniBuff, posicao);
printf("-----------------------\n");
}
}
void imprimeListaRecursiva(NO *ptInicio){
if(ptInicio != NULL){
printf("[%d]\n", ptInicio->chave);
if(ptInicio->prox !=NULL) imprimeListaRecursiva(ptInicio->prox);
} else printf("Fim da lista...\n");
}
void imprimeListaIterativa(NO *ptInicio){ //O(n)
NO *ptAux = ptInicio;
if(ptAux == NULL) printf("NULL <- ptInicio <- ptFim\n");
else{
if(tamanho(ptAux) == 1) printf("[%d] <- ptInicio <- ptFim\n", ptAux->chave);
else{
printf("[%d] <- Inicio\n", ptAux->chave);
while(1){
if(ptAux->prox->prox == NULL){
ptAux = ptAux->prox;
break;
} else{
ptAux = ptAux->prox;
printf("[%d]\n", ptAux->chave);
}
}
printf("[%d] <- ptFim\n", ptAux->chave);
}
}
} |
the_stack_data/70449100.c | // C11 standard
// created by cicek on 03.10.2018 17:34
//
#include <stdio.h>
#include <stdlib.h>
int main(){
int i1 = 10;
int i2 = 3;
int quotient=0, remainder=0;
float f1 = 4.2;
float f2 = 2.5;
float result;
quotient = i1 / i2; // 3
remainder = i1 % i2; // 1
result = f1 / f2; // 1.680000
// Modulus division cannot be performed on floats or doubles
printf("%d\n%d\n%f\n", quotient, remainder, result);
// The *, /, and % are performed first in order from left to right and then + and -, also in order from left to right.
float average;
int total = 23;
int count = 4;
average = (float) total / count;
printf("%f\n", average);
/* average = 5.750000 */
average = total / (float) count;
printf("%f\n", average);
/* average = 5.750000 */
average = total / count;
printf("%f\n", average);
/* average = 5.000000 */
// Explicit type conversion, even when the compiler may do automatic type conversion, is considered good programming style
int wer=0;
wer += 3 * 2; // 6
printf("%d\n",wer);
int x, y, z;
z = 3;
x = z--; /* assign 3 to x, then decrement z to 2 */
printf("x=%d \n", x);
y = 3;
x = ++y; /* increment y to 4, then assign 4 to x */
printf("x=%d \n", x);
printf("y=%d \n", y);
return 0;
}
|
the_stack_data/64369.c | int foo(int x, int y) { return x + y; }
|
the_stack_data/970671.c | #include <stdio.h>
int main(void) {
printf("I love MIPS\n");
return 0;
}
|
the_stack_data/73573974.c | // RUN: %clang_cc1 -ast-dump -ast-dump-filter Test %s | FileCheck -strict-whitespace %s
int TestLocation = 0;
// CHECK: VarDecl{{.*}}TestLocation
// CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:20> 'int' 0
int TestIndent = 1 + (1);
// CHECK: VarDecl{{.*}}TestIndent
// CHECK-NEXT: {{^}}`-BinaryOperator{{[^()]*$}}
// CHECK-NEXT: {{^}} |-IntegerLiteral{{.*0[^()]*$}}
// CHECK-NEXT: {{^}} `-ParenExpr{{.*0[^()]*$}}
// CHECK-NEXT: {{^}} `-IntegerLiteral{{.*0[^()]*$}}
void TestDeclStmt() {
int x = 0;
int y, z;
}
// CHECK: FunctionDecl{{.*}}TestDeclStmt
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl{{.*}}x
// CHECK-NEXT: IntegerLiteral
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl{{.*}}y
// CHECK-NEXT: VarDecl{{.*}}z
int TestOpaqueValueExpr = 0 ?: 1;
// CHECK: VarDecl{{.*}}TestOpaqueValueExpr
// CHECK-NEXT: BinaryConditionalOperator
// CHECK-NEXT: IntegerLiteral
// CHECK-NEXT: OpaqueValueExpr
// CHECK-NEXT: IntegerLiteral
// CHECK-NEXT: OpaqueValueExpr
// CHECK-NEXT: IntegerLiteral
// CHECK-NEXT: IntegerLiteral
void TestUnaryOperatorExpr(void) {
char T1 = 1;
int T2 = 1;
T1++;
T2++;
// CHECK: UnaryOperator{{.*}}postfix '++' cannot overflow
// CHECK-NEXT: DeclRefExpr{{.*}}'T1' 'char'
// CHECK-NOT: UnaryOperator{{.*}}postfix '++' cannot overflow
// CHECK: DeclRefExpr{{.*}}'T2' 'int'
-T1;
-T2;
// CHECK: UnaryOperator{{.*}}prefix '-' cannot overflow
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr{{.*}}'T1' 'char'
// CHECK-NOT: UnaryOperator{{.*}}prefix '-' cannot overflow
// CHECK: ImplicitCastExpr
// CHECK: DeclRefExpr{{.*}}'T2' 'int'
~T1;
~T2;
// CHECK: UnaryOperator{{.*}}prefix '~' cannot overflow
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr{{.*}}'T1' 'char'
// CHECK: UnaryOperator{{.*}}prefix '~' cannot overflow
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr{{.*}}'T2' 'int'
}
|
the_stack_data/122854.c | #include <stdlib.h>
#include <stdio.h>
void piranha_test_matrix(const float* f)
{
int i;
for (i = 0; i < 16; ++i)
printf(" %f", f[i]);
printf("\n");
fflush(stdout);
}
void piranha_free(void* ptr)
{
free(ptr);
}
const char* piranha_get_string()
{
return "Greetings, from C!";
}
const char* piranha_get_null()
{
return 0;
}
|
the_stack_data/165766244.c | #include <stdio.h>
#define YES 1
#define NO 0
int isEven (int number)
{
int answer;
if (number % 2 == 0)
answer = YES;
else
answer = NO;
return answer;
}
int main(void)
{
int isEven (int number);
if (isEven(17) == YES)
printf("yes ");
else
printf("no ");
if (isEven(20) == YES)
printf("yes\n");
else
printf("no\n");
return 0;
} |
the_stack_data/117326773.c | #include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <math.h>
// zadanie 4.1
float przeciw(float a, float b){
float c = sqrt((a*a) + (b*b));
return c;
}
// zadanie 4.2
double silnia(int n){
double x;
for(int i; i <= n; i++){
if(i==0){
x = 1;
continue;
}
x = x * i;
}
return x;
}
// zadanie 4.3
void centerText(char *text, int fieldWidth) {
int padlen = (fieldWidth - strlen(text)) / 2;
printf("*%*s%s%*s*\n", padlen, "", text, padlen, "");
}
void wiz(char name[33], char email[33], int phonenumber){
for(int i=0;i<35;i++)printf("*");
puts("");
centerText(name, 34);
centerText(email, 34);
centerText(phonenumber, 34);
for(int i=0;i<35;i++)printf("*");
}
float energia(float P, float t){
float W = (P * t)/1000;
return W;
}
float kat(int n){
float kat=(((n-2)*180)/n);
return kat;
}
float r(int n, int a){
float r=(((tanh(M_PI/n))*a)/2);
return r;
}
float R(int n, int a){
float R=(a/(2*sin(M_PI/n)));
return R;
}
float kwadratowa(float a,float b,float c){
float x1,x2;
float delta = b*b-4*a*c;
if(delta>0){
x1=(((-b)+ sqrt(delta))/(2*a));
x2=(((-b)- sqrt(delta))/(2*a));
printf("Sa 2 miejsca zerowe: %f oraz %f\n", x1, x2);
if(a>0){
printf("Funkcja jest rosnaca od %f do nieksonzonosci\n",-b/(2*a));
printf("Funkcja jest malejaca od -nieskonczonosci do %f\n",-b/(2*a));
}
if(a<0){
printf("Funkcja jest malejaca od %f do nieksonczonosci\n",-b/(2*a));
printf("Funkcja jest rosnaca od -nieskonczonosci do %f\n",-b/(2*a));
}
}
if(delta<0){
printf("Brak miejsc zerowych");
if(a>0){
printf("Funkcja jest rosnaca od %f do nieksonczonosci\n",-b/(2*a));
printf("Funkcja jest malejaca od -nieskonczonosci do %f\n",-b/(2*a));
}
if(a<0){
printf("Funkcja jest malejaca od %f do nieksonczonosci\n",-b/(2*a));
printf("Funkcja jest rosnajca od -nieskonczonosci do %f\n",-b/(2*a));
}
}
if(delta==0){
x1=(((-b)+ sqrt(delta))/(2*a));
printf("Jedno miejsce zerowe: %f\n", x1);
if(a>0){
printf("Funkcja jest rosnaca od %f do nieksonczonosci\n",-b/(2*a));
printf("Funkcja jest malejaca od -nieskonczonosci do %f\n",-b/(2*a));
}
if(a<0){
printf("Funkcja jest malejaca od %f do nieksonczonosci\n",-b/(2*a));
printf("Funkcja jest rosnajca od -nieskonczonosci do %f\n",-b/(2*a));
}
}
}
int main()
{
// zadanie 4.1
float x,y;
puts("Podaj przyprostokatne: ");
scanf("%f %f", &x, &y);
printf("Przeciw prostokatna: %f\n",przeciw(x,y));
// zadanie 4.2
for(int i = 0;i<=15;i=i+3){
printf("Silnia z %d to %.0f\n",i,silnia(i));
}
wiz("Oskar Pondo", "[email protected]", "504201400");
puts("\nPodaj moc urzadzenia i czas jego pracy: ");
float P, t;
scanf("%f %f", &P, &t);
printf("%f kWh\n",energia(P,t));
printf("Kat dla %d kata to: %.0f\n", 4,kat(4));
printf("Kat dla %d kata to: %.0f\n", 56,kat(56));
printf("Kat dla %d kata to: %.0f\n", 6,kat(6));
printf("Promien okregu w %d kacie foremnym: %f\n",4, r(4,2));
printf("Promien okregu w %d kacie foremnym: %f\n",6, r(6,2));
printf("Promien okregu w %d kacie foremnym: %f\n",5, r(5,2));
printf("Promien okregu na %d kacie foremnym: %f\n",5, r(5,4));
printf("Promien okregu na %d kacie foremnym: %f\n",6, r(6,4));
printf("Promien okregu na %d kacie foremnym: %f\n",7, r(7,4));
puts("Podaj a b c funkcji kwadratowej: ");
int a, b, c;
scanf("%f %f %f",&a, &b, &c);
kwadratowa(a,b,c);
return 0;
}
|
the_stack_data/57949407.c | #include <stdio.h>
#include <stdlib.h>
typedef struct node{
int data;
struct node *nextAddress;
}Node;
Node *start = NULL;
void insert(int no)
{
Node *newNode, *ptr;
newNode = (Node *)malloc(sizeof(Node));
newNode->data = no;
newNode->nextAddress = NULL;
if(start == NULL)
{
start = newNode;
}
else
{
ptr = start;
while(ptr->nextAddress!=NULL)
{
ptr = ptr->nextAddress;
}
ptr->nextAddress = newNode;
}
}
void display()
{
Node *ptr;
ptr = start;
printf("START->");
while(ptr != NULL)
{
printf("%d->",ptr->data);
ptr = ptr->nextAddress;
}
printf("END");
}
int main()
{
printf("Traversing a Singly Linked List\n");
printf("*******************************\n\n");
printf("1: Insert\n2: Display\n0: No\n\n");
int choice, no;
while(1)
{
printf("Enter your Choice : ");
scanf("%d",&choice);
if(choice==0)
{
printf("\n");
break;
}
else if(choice==1)
{
printf("Enter Number : ");
scanf("%d",&no);
printf("\n");
insert(no);
}
else if(choice==2)
{
display();
printf("\n\n");
}
}
} |
the_stack_data/13867.c |
int fib(int N)
{
if (N < 2)
return N;
int f1 = 0, f2 = 1;
for (int i = 2; i <= N; ++i)
{
int f3 = f1 + f2;
f1 = f2;
f2 = f3;
}
return f2;
} |
the_stack_data/72013530.c | #include<stdio.h>
int main()
{
int m,n,fenm,fenz,i=1,j=1;
scanf("%d%d",&m,&n);
if(n==0)
printf("%d",m);
if(n>0){
for(fenm=1;i<=n;i++){
fenm*=i;
}
for(fenz=m;j<n;j++){
m--;
fenz*=m;
}
printf("%d",fenz/fenm);
}
} |
Subsets and Splits