src/compiler-rt/test/builtins/Unit/fixtfsi_test.c

   1 //===--------------- fixtfsi_test.c - Test __fixtfsi ----------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file tests __fixtfsi for the compiler_rt library.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include <stdio.h>
  15
  16 #if __LDBL_MANT_DIG__ == 113
  17
  18 #include "fp_test.h"
  19
  20 int __fixtfsi(long double a);
  21
  22 int test__fixtfsi(long double a, int expected)
  23 {
  24     int x = __fixtfsi(a);
  25     int ret = (x != expected);
  26
  27     if (ret){
  28         printf("error in test__fixtfsi(%.20Lf) = %d, "
  29                "expected %d\n", a, x, expected);
  30     }
  31     return ret;
  32 }
  33
  34 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
  35
  36 #endif
  37
  38 int main()
  39 {
  40 #if __LDBL_MANT_DIG__ == 113
  41     if (test__fixtfsi(makeInf128(), 0x7fffffff))
  42         return 1;
  43     if (test__fixtfsi(0, 0x0))
  44         return 1;
  45     if (test__fixtfsi(0x1.23456789abcdefp+5, 0x24))
  46         return 1;
  47     if (test__fixtfsi(0x1.23456789abcdefp-3, 0x0))
  48         return 1;
  49     if (test__fixtfsi(0x1.23456789abcdefp+20, 0x123456))
  50         return 1;
  51     if (test__fixtfsi(0x1.23456789abcdefp+40, 0x7fffffff))
  52         return 1;
  53     if (test__fixtfsi(0x1.23456789abcdefp+256, 0x7fffffff))
  54         return 1;
  55     if (test__fixtfsi(-0x1.23456789abcdefp+20, 0xffedcbaa))
  56         return 1;
  57     if (test__fixtfsi(-0x1.23456789abcdefp+40, 0x80000000))
  58         return 1;
  59
  60 #else
  61     printf("skipped\n");
  62
  63 #endif
  64     return 0;
  65 }