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- // -*- C++ -*-
- //===--------------------- support/win32/limits_win32.h -------------------===//
- //
- // The LLVM Compiler Infrastructure
- //
- // This file is dual licensed under the MIT and the University of Illinois Open
- // Source Licenses. See LICENSE.TXT for details.
- //
- //===----------------------------------------------------------------------===//
- #ifndef _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H
- #define _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H
- #if !defined(_LIBCPP_MSVCRT)
- #error "This header complements the Microsoft C Runtime library, and should not be included otherwise."
- #else
- #include <limits.h> // CHAR_BIT
- #include <float.h> // limit constants
- #if ! defined(__clang__)
- #define __CHAR_BIT__ CHAR_BIT
- #define __FLT_MANT_DIG__ FLT_MANT_DIG
- #define __FLT_DIG__ FLT_DIG
- #define __FLT_RADIX__ FLT_RADIX
- #define __FLT_MIN_EXP__ FLT_MIN_EXP
- #define __FLT_MIN_10_EXP__ FLT_MIN_10_EXP
- #define __FLT_MAX_EXP__ FLT_MAX_EXP
- #define __FLT_MAX_10_EXP__ FLT_MAX_10_EXP
- #define __FLT_MIN__ FLT_MIN
- #define __FLT_MAX__ FLT_MAX
- #define __FLT_EPSILON__ FLT_EPSILON
- // predefined by MinGW GCC
- #define __FLT_DENORM_MIN__ 1.40129846432481707092e-45F
- #define __DBL_MANT_DIG__ DBL_MANT_DIG
- #define __DBL_DIG__ DBL_DIG
- #define __DBL_RADIX__ DBL_RADIX
- #define __DBL_MIN_EXP__ DBL_MIN_EXP
- #define __DBL_MIN_10_EXP__ DBL_MIN_10_EXP
- #define __DBL_MAX_EXP__ DBL_MAX_EXP
- #define __DBL_MAX_10_EXP__ DBL_MAX_10_EXP
- #define __DBL_MIN__ DBL_MIN
- #define __DBL_MAX__ DBL_MAX
- #define __DBL_EPSILON__ DBL_EPSILON
- // predefined by MinGW GCC
- #define __DBL_DENORM_MIN__ double(4.94065645841246544177e-324L)
- #define __LDBL_MANT_DIG__ LDBL_MANT_DIG
- #define __LDBL_DIG__ LDBL_DIG
- #define __LDBL_RADIX__ LDBL_RADIX
- #define __LDBL_MIN_EXP__ LDBL_MIN_EXP
- #define __LDBL_MIN_10_EXP__ LDBL_MIN_10_EXP
- #define __LDBL_MAX_EXP__ LDBL_MAX_EXP
- #define __LDBL_MAX_10_EXP__ LDBL_MAX_10_EXP
- #define __LDBL_MIN__ LDBL_MIN
- #define __LDBL_MAX__ LDBL_MAX
- #define __LDBL_EPSILON__ LDBL_EPSILON
- // predefined by MinGW GCC
- #define __LDBL_DENORM_MIN__ 3.64519953188247460253e-4951L
- // __builtin replacements/workarounds
- #include <math.h> // HUGE_VAL
- #include <ymath.h> // internal MSVC header providing the needed functionality
- #define __builtin_huge_val() HUGE_VAL
- #define __builtin_huge_valf() _FInf._Float
- #define __builtin_huge_vall() _LInf._Long_double
- #define __builtin_nan(__dummy) _Nan._Double
- #define __builtin_nanf(__dummy) _FNan._Float
- #define __builtin_nanl(__dummmy) _LNan._Long_double
- #define __builtin_nans(__dummy) _Snan._Double
- #define __builtin_nansf(__dummy) _FSnan._Float
- #define __builtin_nansl(__dummy) _LSnan._Long_double
- #endif // ! defined(__clang__)
- #endif // _LIBCPP_MSVCRT
- #endif // _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H
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