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

   1 //===--------------- extendsftf2_test.c - Test __extendsftf2 --------------===//
   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 __extendsftf2 for the compiler_rt library.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "int_lib.h"
  15 #include <stdio.h>
  16
  17 #if __LDBL_MANT_DIG__ == 113
  18
  19 #include "fp_test.h"
  20
  21 COMPILER_RT_ABI long double __extendsftf2(float a);
  22
  23 int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
  24 {
  25     long double x = __extendsftf2(a);
  26     int ret = compareResultLD(x, expectedHi, expectedLo);
  27
  28     if (ret)
  29     {
  30         printf("error in test__extendsftf2(%f) = %.20Lf, "
  31                "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
  32     }
  33     return ret;
  34 }
  35
  36 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
  37
  38 #endif
  39
  40 int main()
  41 {
  42 #if __LDBL_MANT_DIG__ == 113
  43     // qNaN
  44     if (test__extendsftf2(makeQNaN32(),
  45                           UINT64_C(0x7fff800000000000),
  46                           UINT64_C(0x0)))
  47         return 1;
  48     // NaN
  49     if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
  50                           UINT64_C(0x7fff820000000000),
  51                           UINT64_C(0x0)))
  52         return 1;
  53     // inf
  54     if (test__extendsftf2(makeInf32(),
  55                           UINT64_C(0x7fff000000000000),
  56                           UINT64_C(0x0)))
  57         return 1;
  58     // zero
  59     if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
  60         return 1;
  61
  62     if (test__extendsftf2(0x1.23456p+5f,
  63                           UINT64_C(0x4004234560000000),
  64                           UINT64_C(0x0)))
  65         return 1;
  66     if (test__extendsftf2(0x1.edcbap-9f,
  67                           UINT64_C(0x3ff6edcba0000000),
  68                           UINT64_C(0x0)))
  69         return 1;
  70     if (test__extendsftf2(0x1.23456p+45f,
  71                           UINT64_C(0x402c234560000000),
  72                           UINT64_C(0x0)))
  73         return 1;
  74     if (test__extendsftf2(0x1.edcbap-45f,
  75                           UINT64_C(0x3fd2edcba0000000),
  76                           UINT64_C(0x0)))
  77         return 1;
  78
  79 #else
  80     printf("skipped\n");
  81
  82 #endif
  83     return 0;
  84 }