gcc/testsuite/gcc.dg/c99-float-1.c

   1 /* Test for <float.h> C99 macros.  */
   2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   3 /* { dg-do preprocess } */
   4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
   5
   6 /* This test checks that the C99 macros (but not the C11 ones) are defined;
   7    it does not check the correctness of their values.  */
   8
   9 #include <float.h>
  10
  11 #ifndef FLT_ROUNDS
  12 #error "FLT_ROUNDS undefined"
  13 #endif
  14
  15 #ifndef FLT_RADIX
  16 #error "FLT_RADIX undefined"
  17 #endif
  18
  19 #ifndef FLT_MANT_DIG
  20 #error "FLT_MANT_DIG undefined"
  21 #endif
  22
  23 #ifndef FLT_DIG
  24 #error "FLT_DIG undefined"
  25 #endif
  26
  27 #ifndef FLT_MIN_EXP
  28 #error "FLT_MIN_EXP undefined"
  29 #endif
  30
  31 #ifndef FLT_MIN_10_EXP
  32 #error "FLT_MIN_10_EXP undefined"
  33 #endif
  34
  35 #ifndef FLT_MAX_EXP
  36 #error "FLT_MAX_EXP undefined"
  37 #endif
  38
  39 #ifndef FLT_MAX_10_EXP
  40 #error "FLT_MAX_10_EXP undefined"
  41 #endif
  42
  43 #ifndef FLT_MAX
  44 #error "FLT_MAX undefined"
  45 #endif
  46
  47 #ifndef FLT_EPSILON
  48 #error "FLT_EPSILON undefined"
  49 #endif
  50
  51 #ifndef FLT_MIN
  52 #error "FLT_MIN undefined"
  53 #endif
  54
  55 #ifndef DBL_MANT_DIG
  56 #error "DBL_MANT_DIG undefined"
  57 #endif
  58
  59 #ifndef DBL_DIG
  60 #error "DBL_DIG undefined"
  61 #endif
  62
  63 #ifndef DBL_MIN_EXP
  64 #error "DBL_MIN_EXP undefined"
  65 #endif
  66
  67 #ifndef DBL_MIN_10_EXP
  68 #error "DBL_MIN_10_EXP undefined"
  69 #endif
  70
  71 #ifndef DBL_MAX_EXP
  72 #error "DBL_MAX_EXP undefined"
  73 #endif
  74
  75 #ifndef DBL_MAX_10_EXP
  76 #error "DBL_MAX_10_EXP undefined"
  77 #endif
  78
  79 #ifndef DBL_MAX
  80 #error "DBL_MAX undefined"
  81 #endif
  82
  83 #ifndef DBL_EPSILON
  84 #error "DBL_EPSILON undefined"
  85 #endif
  86
  87 #ifndef DBL_MIN
  88 #error "DBL_MIN undefined"
  89 #endif
  90
  91 #ifndef LDBL_MANT_DIG
  92 #error "LDBL_MANT_DIG undefined"
  93 #endif
  94
  95 #ifndef LDBL_DIG
  96 #error "LDBL_DIG undefined"
  97 #endif
  98
  99 #ifndef LDBL_MIN_EXP
 100 #error "LDBL_MIN_EXP undefined"
 101 #endif
 102
 103 #ifndef LDBL_MIN_10_EXP
 104 #error "LDBL_MIN_10_EXP undefined"
 105 #endif
 106
 107 #ifndef LDBL_MAX_EXP
 108 #error "LDBL_MAX_EXP undefined"
 109 #endif
 110
 111 #ifndef LDBL_MAX_10_EXP
 112 #error "LDBL_MAX_10_EXP undefined"
 113 #endif
 114
 115 #ifndef LDBL_MAX
 116 #error "LDBL_MAX undefined"
 117 #endif
 118
 119 #ifndef LDBL_EPSILON
 120 #error "LDBL_EPSILON undefined"
 121 #endif
 122
 123 #ifndef LDBL_MIN
 124 #error "LDBL_MIN undefined"
 125 #endif
 126
 127 #ifndef FLT_EVAL_METHOD
 128 #error "FLT_EVAL_METHOD undefined"
 129 #endif
 130
 131 #ifndef DECIMAL_DIG
 132 #error "DECIMAL_DIG undefined"
 133 #endif
 134
 135 #ifdef FLT_DECIMAL_DIG
 136 #error "FLT_DECIMAL_DIG defined"
 137 #endif
 138
 139 #ifdef DBL_DECIMAL_DIG
 140 #error "DBL_DECIMAL_DIG defined"
 141 #endif
 142
 143 #ifdef LDBL_DECIMAL_DIG
 144 #error "LDBL_DECIMAL_DIG defined"
 145 #endif
 146
 147 #ifdef FLT_HAS_SUBNORM
 148 #error "FLT_HAS_SUBNORM defined"
 149 #endif
 150
 151 #ifdef DBL_HAS_SUBNORM
 152 #error "DBL_HAS_SUBNORM defined"
 153 #endif
 154
 155 #ifdef LDBL_HAS_SUBNORM
 156 #error "LDBL_HAS_SUBNORM defined"
 157 #endif
 158
 159 #ifdef FLT_TRUE_MIN
 160 #error "FLT_TRUE_MIN defined"
 161 #endif
 162
 163 #ifdef DBL_TRUE_MIN
 164 #error "DBL_TRUE_MIN defined"
 165 #endif
 166
 167 #ifdef LDBL_TRUE_MIN
 168 #error "LDBL_TRUE_MIN defined"
 169 #endif