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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 defined(__MVS__) && __has_include_next(<float.h>)

#include_next <float.h>

#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 AIX to allow additional definitions and

 * implementation-defined values.

 */

#if (defined(__MINGW32__) || defined(_MSC_VER) || defined(_AIX)) &&            \

    __STDC_HOSTED__ && __has_include_next(<float.h>)


#  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

#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 */