compiler-rt/test/builtins/Unit/unordtf2_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_comparetf2
   3
   4 #include <stdio.h>
   5
   6 #if __LP64__ && __LDBL_MANT_DIG__ == 113
   7
   8 #include "fp_test.h"
   9
  10 int __unordtf2(long double a, long double b);
  11
  12 int test__unordtf2(long double a, long double b, enum EXPECTED_RESULT expected)
  13 {
  14     int x = __unordtf2(a, b);
  15     int ret = compareResultCMP(x, expected);
  16
  17     if (ret){
  18         printf("error in test__unordtf2(%.20Lf, %.20Lf) = %d, "
  19                "expected %s\n", a, b, x, expectedStr(expected));
  20     }
  21     return ret;
  22 }
  23
  24 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
  25
  26 #endif
  27
  28 int main()
  29 {
  30 #if __LP64__ && __LDBL_MANT_DIG__ == 113
  31     // NaN
  32     if (test__unordtf2(makeQNaN128(),
  33                        0x1.234567890abcdef1234567890abcp+3L,
  34                        NEQUAL_0))
  35         return 1;
  36     // other
  37     if (test__unordtf2(0x1.234567890abcdef1234567890abcp+3L,
  38                        0x1.334567890abcdef1234567890abcp+3L,
  39                        EQUAL_0))
  40         return 1;
  41     if (test__unordtf2(0x1.234567890abcdef1234567890abcp+3L,
  42                        0x1.234567890abcdef1234567890abcp+3L,
  43                        EQUAL_0))
  44         return 1;
  45     if (test__unordtf2(0x1.234567890abcdef1234567890abcp+3L,
  46                        0x1.234567890abcdef1234567890abcp-3L,
  47                        EQUAL_0))
  48         return 1;
  49
  50 #else
  51     printf("skipped\n");
  52
  53 #endif
  54     return 0;
  55 }