1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | /*===---- float.h - Characteristics of floating point types ----------------=== * * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. * See https://llvm.org/LICENSE.txt for license information. * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception * *===-----------------------------------------------------------------------=== */ #ifndef __CLANG_FLOAT_H #define __CLANG_FLOAT_H /* If we're on MinGW, fall back to the system's float.h, which might have * additional definitions provided for Windows. * For more details see http://msdn.microsoft.com/en-us/library/y0ybw9fy.aspx * * Also fall back on Darwin to allow additional definitions and * implementation-defined values. */ #if (defined(__APPLE__) || (defined(__MINGW32__) || defined(_MSC_VER))) && \ __STDC_HOSTED__ && __has_include_next(<float.h>) /* Prior to Apple's 10.7 SDK, float.h SDK header used to apply an extra level * of #include_next<float.h> to keep Metrowerks compilers happy. Avoid this * extra indirection. */ #ifdef __APPLE__ #define _FLOAT_H_ #endif # include_next <float.h> /* Undefine anything that we'll be redefining below. */ # undef FLT_EVAL_METHOD # undef FLT_ROUNDS # undef FLT_RADIX # undef FLT_MANT_DIG # undef DBL_MANT_DIG # undef LDBL_MANT_DIG # if __STDC_VERSION__ >= 199901L || !defined(__STRICT_ANSI__) || __cplusplus >= 201103L # undef DECIMAL_DIG # endif # undef FLT_DIG # undef DBL_DIG # undef LDBL_DIG # undef FLT_MIN_EXP # undef DBL_MIN_EXP # undef LDBL_MIN_EXP # undef FLT_MIN_10_EXP # undef DBL_MIN_10_EXP # undef LDBL_MIN_10_EXP # undef FLT_MAX_EXP # undef DBL_MAX_EXP # undef LDBL_MAX_EXP # undef FLT_MAX_10_EXP # undef DBL_MAX_10_EXP # undef LDBL_MAX_10_EXP # undef FLT_MAX # undef DBL_MAX # undef LDBL_MAX # undef FLT_EPSILON # undef DBL_EPSILON # undef LDBL_EPSILON # undef FLT_MIN # undef DBL_MIN # undef LDBL_MIN # if __STDC_VERSION__ >= 201112L || !defined(__STRICT_ANSI__) || __cplusplus >= 201703L # undef FLT_TRUE_MIN # undef DBL_TRUE_MIN # undef LDBL_TRUE_MIN # undef FLT_DECIMAL_DIG # undef DBL_DECIMAL_DIG # undef LDBL_DECIMAL_DIG # undef FLT_HAS_SUBNORM # undef DBL_HAS_SUBNORM # undef LDBL_HAS_SUBNORM # endif #endif /* Characteristics of floating point types, C99 5.2.4.2.2 */ #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ #define FLT_ROUNDS (__builtin_flt_rounds()) #define FLT_RADIX __FLT_RADIX__ #define FLT_MANT_DIG __FLT_MANT_DIG__ #define DBL_MANT_DIG __DBL_MANT_DIG__ #define LDBL_MANT_DIG __LDBL_MANT_DIG__ #if __STDC_VERSION__ >= 199901L || !defined(__STRICT_ANSI__) || __cplusplus >= 201103L # define DECIMAL_DIG __DECIMAL_DIG__ #endif #define FLT_DIG __FLT_DIG__ #define DBL_DIG __DBL_DIG__ #define LDBL_DIG __LDBL_DIG__ #define FLT_MIN_EXP __FLT_MIN_EXP__ #define DBL_MIN_EXP __DBL_MIN_EXP__ #define LDBL_MIN_EXP __LDBL_MIN_EXP__ #define FLT_MIN_10_EXP __FLT_MIN_10_EXP__ #define DBL_MIN_10_EXP __DBL_MIN_10_EXP__ #define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP__ #define FLT_MAX_EXP __FLT_MAX_EXP__ #define DBL_MAX_EXP __DBL_MAX_EXP__ #define LDBL_MAX_EXP __LDBL_MAX_EXP__ #define FLT_MAX_10_EXP __FLT_MAX_10_EXP__ #define DBL_MAX_10_EXP __DBL_MAX_10_EXP__ #define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP__ #define FLT_MAX __FLT_MAX__ #define DBL_MAX __DBL_MAX__ #define LDBL_MAX __LDBL_MAX__ #define FLT_EPSILON __FLT_EPSILON__ #define DBL_EPSILON __DBL_EPSILON__ #define LDBL_EPSILON __LDBL_EPSILON__ #define FLT_MIN __FLT_MIN__ #define DBL_MIN __DBL_MIN__ #define LDBL_MIN __LDBL_MIN__ #if __STDC_VERSION__ >= 201112L || !defined(__STRICT_ANSI__) || __cplusplus >= 201703L # define FLT_TRUE_MIN __FLT_DENORM_MIN__ # define DBL_TRUE_MIN __DBL_DENORM_MIN__ # define LDBL_TRUE_MIN __LDBL_DENORM_MIN__ # define FLT_DECIMAL_DIG __FLT_DECIMAL_DIG__ # define DBL_DECIMAL_DIG __DBL_DECIMAL_DIG__ # define LDBL_DECIMAL_DIG __LDBL_DECIMAL_DIG__ # define FLT_HAS_SUBNORM __FLT_HAS_DENORM__ # define DBL_HAS_SUBNORM __DBL_HAS_DENORM__ # define LDBL_HAS_SUBNORM __LDBL_HAS_DENORM__ #endif #ifdef __STDC_WANT_IEC_60559_TYPES_EXT__ # define FLT16_MANT_DIG __FLT16_MANT_DIG__ # define FLT16_DECIMAL_DIG __FLT16_DECIMAL_DIG__ # define FLT16_DIG __FLT16_DIG__ # define FLT16_MIN_EXP __FLT16_MIN_EXP__ # define FLT16_MIN_10_EXP __FLT16_MIN_10_EXP__ # define FLT16_MAX_EXP __FLT16_MAX_EXP__ # define FLT16_MAX_10_EXP __FLT16_MAX_10_EXP__ # define FLT16_MAX __FLT16_MAX__ # define FLT16_EPSILON __FLT16_EPSILON__ # define FLT16_MIN __FLT16_MIN__ # define FLT16_TRUE_MIN __FLT16_TRUE_MIN__ #endif /* __STDC_WANT_IEC_60559_TYPES_EXT__ */ #endif /* __CLANG_FLOAT_H */ |