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/*===---- 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 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(<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 (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
#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
#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 */