1 // -*- C++ -*- 2 //===--------------------- support/win32/limits_win32.h -------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 #ifndef _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H 12 #define _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H 13 14 #if !defined(_LIBCPP_MSVCRT) 15 #error "This header complements the Microsoft C Runtime library, and should not be included otherwise." 16 #else 17 18 #include <limits.h> // CHAR_BIT 19 #include <float.h> // limit constants 20 21 #if ! defined(__clang__) 22 #define __CHAR_BIT__ CHAR_BIT 23 24 #define __FLT_MANT_DIG__ FLT_MANT_DIG 25 #define __FLT_DIG__ FLT_DIG 26 #define __FLT_RADIX__ FLT_RADIX 27 #define __FLT_MIN_EXP__ FLT_MIN_EXP 28 #define __FLT_MIN_10_EXP__ FLT_MIN_10_EXP 29 #define __FLT_MAX_EXP__ FLT_MAX_EXP 30 #define __FLT_MAX_10_EXP__ FLT_MAX_10_EXP 31 #define __FLT_MIN__ FLT_MIN 32 #define __FLT_MAX__ FLT_MAX 33 #define __FLT_EPSILON__ FLT_EPSILON 34 // predefined by MinGW GCC 35 #define __FLT_DENORM_MIN__ 1.40129846432481707092e-45F 36 37 #define __DBL_MANT_DIG__ DBL_MANT_DIG 38 #define __DBL_DIG__ DBL_DIG 39 #define __DBL_RADIX__ DBL_RADIX 40 #define __DBL_MIN_EXP__ DBL_MIN_EXP 41 #define __DBL_MIN_10_EXP__ DBL_MIN_10_EXP 42 #define __DBL_MAX_EXP__ DBL_MAX_EXP 43 #define __DBL_MAX_10_EXP__ DBL_MAX_10_EXP 44 #define __DBL_MIN__ DBL_MIN 45 #define __DBL_MAX__ DBL_MAX 46 #define __DBL_EPSILON__ DBL_EPSILON 47 // predefined by MinGW GCC 48 #define __DBL_DENORM_MIN__ double(4.94065645841246544177e-324L) 49 50 #define __LDBL_MANT_DIG__ LDBL_MANT_DIG 51 #define __LDBL_DIG__ LDBL_DIG 52 #define __LDBL_RADIX__ LDBL_RADIX 53 #define __LDBL_MIN_EXP__ LDBL_MIN_EXP 54 #define __LDBL_MIN_10_EXP__ LDBL_MIN_10_EXP 55 #define __LDBL_MAX_EXP__ LDBL_MAX_EXP 56 #define __LDBL_MAX_10_EXP__ LDBL_MAX_10_EXP 57 #define __LDBL_MIN__ LDBL_MIN 58 #define __LDBL_MAX__ LDBL_MAX 59 #define __LDBL_EPSILON__ LDBL_EPSILON 60 // predefined by MinGW GCC 61 #define __LDBL_DENORM_MIN__ 3.64519953188247460253e-4951L 62 63 // __builtin replacements/workarounds 64 #include <math.h> // HUGE_VAL 65 #include <ymath.h> // internal MSVC header providing the needed functionality 66 #define __builtin_huge_val() HUGE_VAL 67 #define __builtin_huge_valf() _FInf._Float 68 #define __builtin_huge_vall() _LInf._Long_double 69 #define __builtin_nan(__dummy) _Nan._Double 70 #define __builtin_nanf(__dummy) _FNan._Float 71 #define __builtin_nanl(__dummmy) _LNan._Long_double 72 #define __builtin_nans(__dummy) _Snan._Double 73 #define __builtin_nansf(__dummy) _FSnan._Float 74 #define __builtin_nansl(__dummy) _LSnan._Long_double 75 #endif // ! defined(__clang__) 76 77 #endif // _LIBCPP_MSVCRT 78 79 #endif // _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H 80