/*===---- 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 defined(__MVS__) && __has_include_next() #include_next #else /* 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 and AIX to allow additional definitions and * implementation-defined values. */ #if (defined(__APPLE__) || defined(__MINGW32__) || defined(_MSC_VER) || \ defined(_AIX)) && \ __STDC_HOSTED__ && __has_include_next() /* Prior to Apple's 10.7 SDK, float.h SDK header used to apply an extra level * of #include_next to keep Metrowerks compilers happy. Avoid this * extra indirection. */ #ifdef __APPLE__ #define _FLOAT_H_ #endif # include_next /* 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 (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ !defined(__STRICT_ANSI__) || \ (defined(__cplusplus) && __cplusplus >= 201103L) || \ (__STDC_HOSTED__ && defined(_AIX) && defined(_ALL_SOURCE)) # 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 (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \ !defined(__STRICT_ANSI__) || \ (defined(__cplusplus) && __cplusplus >= 201703L) || \ (__STDC_HOSTED__ && defined(_AIX) && defined(_ALL_SOURCE)) # 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 #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L) || \ !defined(__STRICT_ANSI__) # undef FLT_NORM_MAX # undef DBL_NORM_MAX # undef LDBL_NORM_MAX #endif #endif #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L) || \ !defined(__STRICT_ANSI__) # undef INFINITY # undef NAN #endif /* Characteristics of floating point types, C99 5.2.4.2.2 */ #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ (defined(__cplusplus) && __cplusplus >= 201103L) #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ #endif #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 (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ !defined(__STRICT_ANSI__) || \ (defined(__cplusplus) && __cplusplus >= 201103L) || \ (__STDC_HOSTED__ && defined(_AIX) && defined(_ALL_SOURCE)) # 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 (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \ !defined(__STRICT_ANSI__) || \ (defined(__cplusplus) && __cplusplus >= 201703L) || \ (__STDC_HOSTED__ && defined(_AIX) && defined(_ALL_SOURCE)) # 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 #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L) || \ !defined(__STRICT_ANSI__) /* C23 5.2.5.3.3p29-30 */ # define INFINITY (__builtin_inff()) # define NAN (__builtin_nanf("")) /* C23 5.2.5.3.3p32 */ # define FLT_NORM_MAX __FLT_NORM_MAX__ # define DBL_NORM_MAX __DBL_NORM_MAX__ # define LDBL_NORM_MAX __LDBL_NORM_MAX__ #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 /* __MVS__ */ #endif /* __CLANG_FLOAT_H */