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

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_extendsftf2
   3 //===--------------- extendsftf2_test.c - Test __extendsftf2 --------------===//
   4 //
   5 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   6 // See https://llvm.org/LICENSE.txt for license information.
   7 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   8 //
   9 //===----------------------------------------------------------------------===//
  10 //
  11 // This file tests __extendsftf2 for the compiler_rt library.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "int_lib.h"
  16 #include <stdio.h>
  17
  18 #if __LDBL_MANT_DIG__ == 113
  19
  20 #include "fp_test.h"
  21
  22 COMPILER_RT_ABI long double __extendsftf2(float a);
  23
  24 int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
  25 {
  26     long double x = __extendsftf2(a);
  27     int ret = compareResultLD(x, expectedHi, expectedLo);
  28
  29     if (ret)
  30     {
  31         printf("error in test__extendsftf2(%f) = %.20Lf, "
  32                "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
  33     }
  34     return ret;
  35 }
  36
  37 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
  38
  39 #endif
  40
  41 int main()
  42 {
  43 #if __LDBL_MANT_DIG__ == 113
  44     // qNaN
  45     if (test__extendsftf2(makeQNaN32(),
  46                           UINT64_C(0x7fff800000000000),
  47                           UINT64_C(0x0)))
  48         return 1;
  49     // NaN
  50     if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
  51                           UINT64_C(0x7fff820000000000),
  52                           UINT64_C(0x0)))
  53         return 1;
  54     // inf
  55     if (test__extendsftf2(makeInf32(),
  56                           UINT64_C(0x7fff000000000000),
  57                           UINT64_C(0x0)))
  58         return 1;
  59     // zero
  60     if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
  61         return 1;
  62
  63     if (test__extendsftf2(0x1.23456p+5f,
  64                           UINT64_C(0x4004234560000000),
  65                           UINT64_C(0x0)))
  66         return 1;
  67     if (test__extendsftf2(0x1.edcbap-9f,
  68                           UINT64_C(0x3ff6edcba0000000),
  69                           UINT64_C(0x0)))
  70         return 1;
  71     if (test__extendsftf2(0x1.23456p+45f,
  72                           UINT64_C(0x402c234560000000),
  73                           UINT64_C(0x0)))
  74         return 1;
  75     if (test__extendsftf2(0x1.edcbap-45f,
  76                           UINT64_C(0x3fd2edcba0000000),
  77                           UINT64_C(0x0)))
  78         return 1;
  79
  80 #else
  81     printf("skipped\n");
  82
  83 #endif
  84     return 0;
  85 }