sys/external/bsd/compiler_rt/dist/test/builtins/Unit/trunctfsf2_test.c

   1 //===--------------- trunctfsf2_test.c - Test __trunctfsf2 ----------------===//
   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 __trunctfsf2 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 float __trunctfsf2(long double a);
  21
  22 int test__trunctfsf2(long double a, uint32_t expected)
  23 {
  24     float x = __trunctfsf2(a);
  25     int ret = compareResultF(x, expected);
  26
  27     if (ret){
  28         printf("error in test__trunctfsf2(%.20Lf) = %f, "
  29                "expected %f\n", a, x, fromRep32(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     // qNaN
  42     if (test__trunctfsf2(makeQNaN128(),
  43                          UINT32_C(0x7fc00000)))
  44         return 1;
  45     // NaN
  46     if (test__trunctfsf2(makeNaN128(UINT64_C(0x810000000000)),
  47                          UINT32_C(0x7fc08000)))
  48         return 1;
  49     // inf
  50     if (test__trunctfsf2(makeInf128(),
  51                          UINT32_C(0x7f800000)))
  52         return 1;
  53     // zero
  54     if (test__trunctfsf2(0.0L, UINT32_C(0x0)))
  55         return 1;
  56
  57     if (test__trunctfsf2(0x1.23a2abb4a2ddee355f36789abcdep+5L,
  58                          UINT32_C(0x4211d156)))
  59         return 1;
  60     if (test__trunctfsf2(0x1.e3d3c45bd3abfd98b76a54cc321fp-9L,
  61                          UINT32_C(0x3b71e9e2)))
  62         return 1;
  63     if (test__trunctfsf2(0x1.234eebb5faa678f4488693abcdefp+4534L,
  64                          UINT32_C(0x7f800000)))
  65         return 1;
  66     if (test__trunctfsf2(0x1.edcba9bb8c76a5a43dd21f334634p-435L,
  67                          UINT32_C(0x0)))
  68         return 1;
  69
  70 #else
  71     printf("skipped\n");
  72
  73 #endif
  74     return 0;
  75 }