text: //===-- fixunssfdi_test.c - Test __fixunssfdi -----------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  //
  // This file tests __fixunssfdi for the compiler_rt library.
  //
  //===----------------------------------------------------------------------===//
  
  #include "int_lib.h"
  #include <stdio.h>
  
  // Returns: convert a to a unsigned long long, rounding toward zero.
  //          Negative values all become zero.
  
  // Assumption: float is a IEEE 32 bit floating point type 
  //             du_int is a 64 bit integral type
  //             value in float is representable in du_int or is negative 
  //                 (no range checking performed)
  
  // seee eeee emmm mmmm mmmm mmmm mmmm mmmm
  
  du_int __fixunssfdi(float a);
  
  int test__fixunssfdi(float a, du_int expected)
  {
      du_int x = __fixunssfdi(a);
      if (x != expected)
          printf("error in __fixunssfdi(%A) = %llX, expected %llX\n",
                 a, x, expected);
      return x != expected;
  }
  
  char assumption_1[sizeof(du_int) == 2*sizeof(si_int)] = {0};
  char assumption_2[sizeof(su_int)*CHAR_BIT == 32] = {0};
  char assumption_3[sizeof(float)*CHAR_BIT == 32] = {0};
  
  int main()
  {
      if (test__fixunssfdi(0.0F, 0))
          return 1;
  
      if (test__fixunssfdi(0.5F, 0))
          return 1;
      if (test__fixunssfdi(0.99F, 0))
          return 1;
      if (test__fixunssfdi(1.0F, 1))
          return 1;
      if (test__fixunssfdi(1.5F, 1))
          return 1;
      if (test__fixunssfdi(1.99F, 1))
          return 1;
      if (test__fixunssfdi(2.0F, 2))
          return 1;
      if (test__fixunssfdi(2.01F, 2))
          return 1;
      if (test__fixunssfdi(-0.5F, 0))
          return 1;
      if (test__fixunssfdi(-0.99F, 0))
          return 1;
  #if !TARGET_LIBGCC
      if (test__fixunssfdi(-1.0F, 0))  // libgcc ignores "returns 0 for negative input" spec
          return 1;
      if (test__fixunssfdi(-1.5F, 0))
          return 1;
      if (test__fixunssfdi(-1.99F, 0))
          return 1;
      if (test__fixunssfdi(-2.0F, 0))
          return 1;
      if (test__fixunssfdi(-2.01F, 0))
          return 1;
  #endif
  
      if (test__fixunssfdi(0x1.FFFFFEp+63F, 0xFFFFFF0000000000LL))
          return 1;
      if (test__fixunssfdi(0x1.000000p+63F, 0x8000000000000000LL))
          return 1;
      if (test__fixunssfdi(0x1.FFFFFEp+62F, 0x7FFFFF8000000000LL))
          return 1;
      if (test__fixunssfdi(0x1.FFFFFCp+62F, 0x7FFFFF0000000000LL))
          return 1;
  
  #if !TARGET_LIBGCC
      if (test__fixunssfdi(-0x1.FFFFFEp+62F, 0x0000000000000000LL))
          return 1;
      if (test__fixunssfdi(-0x1.FFFFFCp+62F, 0x0000000000000000LL))
          return 1;
  #endif
  
     return 0;
  }
  