text: //===-- floatuntisf.c - Test __floatuntisf --------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  //
  // This file tests __floatuntisf for the compiler_rt library.
  //
  //===----------------------------------------------------------------------===//
  
  #if __x86_64
  
  #include "int_lib.h"
  #include <float.h>
  #include <stdio.h>
  
  // Returns: convert a to a float, rounding toward even.
  
  // Assumption: float is a IEEE 32 bit floating point type 
  //             tu_int is a 128 bit integral type
  
  // seee eeee emmm mmmm mmmm mmmm mmmm mmmm
  
  float __floatuntisf(tu_int a);
  
  int test__floatuntisf(tu_int a, float expected)
  {
      float x = __floatuntisf(a);
      if (x != expected)
      {
          utwords at;
          at.all = a;
          printf("error in __floatuntisf(0x%.16llX%.16llX) = %a, expected %a\n",
                 at.s.high, at.s.low, x, expected);
      }
      return x != expected;
  }
  
  char assumption_1[sizeof(tu_int) == 2*sizeof(du_int)] = {0};
  char assumption_2[sizeof(tu_int)*CHAR_BIT == 128] = {0};
  char assumption_3[sizeof(float)*CHAR_BIT == 32] = {0};
  
  #endif
  
  int main()
  {
  #if __x86_64
      if (test__floatuntisf(0, 0.0F))
          return 1;
  
      if (test__floatuntisf(1, 1.0F))
          return 1;
      if (test__floatuntisf(2, 2.0F))
          return 1;
      if (test__floatuntisf(20, 20.0F))
          return 1;
  
      if (test__floatuntisf(0x7FFFFF8000000000LL, 0x1.FFFFFEp+62F))
          return 1;
      if (test__floatuntisf(0x7FFFFF0000000000LL, 0x1.FFFFFCp+62F))
          return 1;
  
      if (test__floatuntisf(make_ti(0x8000008000000000LL, 0), 0x1.000001p+127F))
          return 1;
      if (test__floatuntisf(make_ti(0x8000000000000800LL, 0), 0x1.0p+127F))
          return 1;
      if (test__floatuntisf(make_ti(0x8000010000000000LL, 0), 0x1.000002p+127F))
          return 1;
  
      if (test__floatuntisf(make_ti(0x8000000000000000LL, 0), 0x1.000000p+127F))
          return 1;
  
      if (test__floatuntisf(0x0007FB72E8000000LL, 0x1.FEDCBAp+50F))
          return 1;
  
      if (test__floatuntisf(0x0007FB72EA000000LL, 0x1.FEDCBA8p+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72EB000000LL, 0x1.FEDCBACp+50F))
          return 1;
  
      if (test__floatuntisf(0x0007FB72EC000000LL, 0x1.FEDCBBp+50F))
          return 1;
  
      if (test__floatuntisf(0x0007FB72E6000000LL, 0x1.FEDCB98p+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72E7000000LL, 0x1.FEDCB9Cp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72E4000000LL, 0x1.FEDCB9p+50F))
          return 1;
  
      if (test__floatuntisf(0xFFFFFFFFFFFFFFFELL, 0x1p+64F))
          return 1;
      if (test__floatuntisf(0xFFFFFFFFFFFFFFFFLL, 0x1p+64F))
          return 1;
  
      if (test__floatuntisf(0x0007FB72E8000000LL, 0x1.FEDCBAp+50F))
          return 1;
  
      if (test__floatuntisf(0x0007FB72EA000000LL, 0x1.FEDCBAp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72EB000000LL, 0x1.FEDCBAp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72EBFFFFFFLL, 0x1.FEDCBAp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72EC000000LL, 0x1.FEDCBCp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72E8000001LL, 0x1.FEDCBAp+50F))
          return 1;
  
      if (test__floatuntisf(0x0007FB72E6000000LL, 0x1.FEDCBAp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72E7000000LL, 0x1.FEDCBAp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72E7FFFFFFLL, 0x1.FEDCBAp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72E4000001LL, 0x1.FEDCBAp+50F))
          return 1;
      if (test__floatuntisf(0x0007FB72E4000000LL, 0x1.FEDCB8p+50F))
          return 1;
  
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCB90000000000001LL),
                            0x1.FEDCBAp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBA0000000000000LL),
                            0x1.FEDCBAp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBAFFFFFFFFFFFFFLL),
                            0x1.FEDCBAp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBB0000000000000LL),
                            0x1.FEDCBCp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBB0000000000001LL),
                            0x1.FEDCBCp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBBFFFFFFFFFFFFFLL),
                            0x1.FEDCBCp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBC0000000000000LL),
                            0x1.FEDCBCp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBC0000000000001LL),
                            0x1.FEDCBCp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBD0000000000000LL),
                            0x1.FEDCBCp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBD0000000000001LL),
                            0x1.FEDCBEp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBDFFFFFFFFFFFFFLL),
                            0x1.FEDCBEp+76F))
          return 1;
      if (test__floatuntisf(make_ti(0x0000000000001FEDLL, 0xCBE0000000000000LL),
                            0x1.FEDCBEp+76F))
          return 1;
  
  #endif
     return 0;
  }
  