compiler-rt/test/builtins/Unit/extendsftf2_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_extendsftf2
   3
   4 #include "int_lib.h"
   5 #include <stdio.h>
   6
   7 #if __LDBL_MANT_DIG__ == 113
   8
   9 #include "fp_test.h"
  10
  11 COMPILER_RT_ABI long double __extendsftf2(float a);
  12
  13 int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
  14 {
  15     long double x = __extendsftf2(a);
  16     int ret = compareResultF128(x, expectedHi, expectedLo);
  17
  18     if (ret)
  19     {
  20         printf("error in test__extendsftf2(%f) = %.20Lf, "
  21                "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
  22     }
  23     return ret;
  24 }
  25
  26 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
  27
  28 #endif
  29
  30 int main()
  31 {
  32 #if __LDBL_MANT_DIG__ == 113
  33     // qNaN
  34     if (test__extendsftf2(makeQNaN32(),
  35                           UINT64_C(0x7fff800000000000),
  36                           UINT64_C(0x0)))
  37         return 1;
  38     // NaN
  39     if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
  40                           UINT64_C(0x7fff820000000000),
  41                           UINT64_C(0x0)))
  42         return 1;
  43     // inf
  44     if (test__extendsftf2(makeInf32(),
  45                           UINT64_C(0x7fff000000000000),
  46                           UINT64_C(0x0)))
  47         return 1;
  48     // zero
  49     if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
  50         return 1;
  51
  52     if (test__extendsftf2(0x1.23456p+5f,
  53                           UINT64_C(0x4004234560000000),
  54                           UINT64_C(0x0)))
  55         return 1;
  56     if (test__extendsftf2(0x1.edcbap-9f,
  57                           UINT64_C(0x3ff6edcba0000000),
  58                           UINT64_C(0x0)))
  59         return 1;
  60     if (test__extendsftf2(0x1.23456p+45f,
  61                           UINT64_C(0x402c234560000000),
  62                           UINT64_C(0x0)))
  63         return 1;
  64     if (test__extendsftf2(0x1.edcbap-45f,
  65                           UINT64_C(0x3fd2edcba0000000),
  66                           UINT64_C(0x0)))
  67         return 1;
  68
  69 #else
  70     printf("skipped\n");
  71
  72 #endif
  73     return 0;
  74 }