libcxx/test/std/language.support/support.limits/c.limits/cfloat.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // Before Clang 9.0, <float.h> does not define FLT_HAS_SUBNORM & friends in C++.
  10 // XFAIL: clang-4, clang-5, clang-6, clang-7, clang-8
  11
  12 // test cfloat
  13
  14 #include <cfloat>
  15
  16 #include "test_macros.h"
  17
  18 #ifndef FLT_ROUNDS
  19 #error FLT_ROUNDS not defined
  20 #endif
  21
  22 #ifndef FLT_EVAL_METHOD
  23 #error FLT_EVAL_METHOD not defined
  24 #endif
  25
  26 #ifndef FLT_RADIX
  27 #error FLT_RADIX not defined
  28 #endif
  29
  30 #if TEST_STD_VER > 14
  31 #ifndef FLT_HAS_SUBNORM
  32 #error FLT_HAS_SUBNORM not defined
  33 #endif
  34
  35 #ifndef DBL_HAS_SUBNORM
  36 #error DBL_HAS_SUBNORM not defined
  37 #endif
  38
  39 #ifndef LDBL_HAS_SUBNORM
  40 #error LDBL_HAS_SUBNORM not defined
  41 #endif
  42 #endif
  43
  44 #ifndef FLT_MANT_DIG
  45 #error FLT_MANT_DIG not defined
  46 #endif
  47
  48 #ifndef DBL_MANT_DIG
  49 #error DBL_MANT_DIG not defined
  50 #endif
  51
  52 #ifndef LDBL_MANT_DIG
  53 #error LDBL_MANT_DIG not defined
  54 #endif
  55
  56 #ifndef DECIMAL_DIG
  57 #error DECIMAL_DIG not defined
  58 #endif
  59
  60 #if TEST_STD_VER > 14
  61 #ifndef FLT_DECIMAL_DIG
  62 #error FLT_DECIMAL_DIG not defined
  63 #endif
  64
  65 #ifndef DBL_DECIMAL_DIG
  66 #error DBL_DECIMAL_DIG not defined
  67 #endif
  68
  69 #ifndef LDBL_DECIMAL_DIG
  70 #error LDBL_DECIMAL_DIG not defined
  71 #endif
  72 #endif
  73
  74 #ifndef FLT_DIG
  75 #error FLT_DIG not defined
  76 #endif
  77
  78 #ifndef DBL_DIG
  79 #error DBL_DIG not defined
  80 #endif
  81
  82 #ifndef LDBL_DIG
  83 #error LDBL_DIG not defined
  84 #endif
  85
  86 #ifndef FLT_MIN_EXP
  87 #error FLT_MIN_EXP not defined
  88 #endif
  89
  90 #ifndef DBL_MIN_EXP
  91 #error DBL_MIN_EXP not defined
  92 #endif
  93
  94 #ifndef LDBL_MIN_EXP
  95 #error LDBL_MIN_EXP not defined
  96 #endif
  97
  98 #ifndef FLT_MIN_10_EXP
  99 #error FLT_MIN_10_EXP not defined
 100 #endif
 101
 102 #ifndef DBL_MIN_10_EXP
 103 #error DBL_MIN_10_EXP not defined
 104 #endif
 105
 106 #ifndef LDBL_MIN_10_EXP
 107 #error LDBL_MIN_10_EXP not defined
 108 #endif
 109
 110 #ifndef FLT_MAX_EXP
 111 #error FLT_MAX_EXP not defined
 112 #endif
 113
 114 #ifndef DBL_MAX_EXP
 115 #error DBL_MAX_EXP not defined
 116 #endif
 117
 118 #ifndef LDBL_MAX_EXP
 119 #error LDBL_MAX_EXP not defined
 120 #endif
 121
 122 #ifndef FLT_MAX_10_EXP
 123 #error FLT_MAX_10_EXP not defined
 124 #endif
 125
 126 #ifndef DBL_MAX_10_EXP
 127 #error DBL_MAX_10_EXP not defined
 128 #endif
 129
 130 #ifndef LDBL_MAX_10_EXP
 131 #error LDBL_MAX_10_EXP not defined
 132 #endif
 133
 134 #ifndef FLT_MAX
 135 #error FLT_MAX not defined
 136 #endif
 137
 138 #ifndef DBL_MAX
 139 #error DBL_MAX not defined
 140 #endif
 141
 142 #ifndef LDBL_MAX
 143 #error LDBL_MAX not defined
 144 #endif
 145
 146 #ifndef FLT_EPSILON
 147 #error FLT_EPSILON not defined
 148 #endif
 149
 150 #ifndef DBL_EPSILON
 151 #error DBL_EPSILON not defined
 152 #endif
 153
 154 #ifndef LDBL_EPSILON
 155 #error LDBL_EPSILON not defined
 156 #endif
 157
 158 #ifndef FLT_MIN
 159 #error FLT_MIN not defined
 160 #endif
 161
 162 #ifndef DBL_MIN
 163 #error DBL_MIN not defined
 164 #endif
 165
 166 #ifndef LDBL_MIN
 167 #error LDBL_MIN not defined
 168 #endif
 169
 170 #if TEST_STD_VER > 14
 171 #ifndef FLT_TRUE_MIN
 172 #error FLT_TRUE_MIN not defined
 173 #endif
 174
 175 #ifndef DBL_TRUE_MIN
 176 #error DBL_TRUE_MIN not defined
 177 #endif
 178
 179 #ifndef LDBL_TRUE_MIN
 180 #error LDBL_TRUE_MIN not defined
 181 #endif
 182 #endif
 183
 184 int main(int, char**)
 185 {
 186
 187   return 0;
 188 }