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(_MSC_VER) 15 #error "This header is MSVC specific, Clang and GCC should not include it" 16 #else 17 18 #ifndef NOMINMAX 19 #define NOMINMAX 20 #endif 21 #include <windows.h> // ymath.h works correctly 22 23 #include <float.h> // limit constants 24 25 #define __FLT_MANT_DIG__ FLT_MANT_DIG 26 #define __FLT_DIG__ FLT_DIG 27 #define __FLT_RADIX__ FLT_RADIX 28 #define __FLT_MIN_EXP__ FLT_MIN_EXP 29 #define __FLT_MIN_10_EXP__ FLT_MIN_10_EXP 30 #define __FLT_MAX_EXP__ FLT_MAX_EXP 31 #define __FLT_MAX_10_EXP__ FLT_MAX_10_EXP 32 #define __FLT_MIN__ FLT_MIN 33 #define __FLT_MAX__ FLT_MAX 34 #define __FLT_EPSILON__ FLT_EPSILON 35 // predefined by MinGW GCC 36 #define __FLT_DENORM_MIN__ 1.40129846432481707092e-45F 37 38 #define __DBL_MANT_DIG__ DBL_MANT_DIG 39 #define __DBL_DIG__ DBL_DIG 40 #define __DBL_RADIX__ DBL_RADIX 41 #define __DBL_MIN_EXP__ DBL_MIN_EXP 42 #define __DBL_MIN_10_EXP__ DBL_MIN_10_EXP 43 #define __DBL_MAX_EXP__ DBL_MAX_EXP 44 #define __DBL_MAX_10_EXP__ DBL_MAX_10_EXP 45 #define __DBL_MIN__ DBL_MIN 46 #define __DBL_MAX__ DBL_MAX 47 #define __DBL_EPSILON__ DBL_EPSILON 48 // predefined by MinGW GCC 49 #define __DBL_DENORM_MIN__ double(4.94065645841246544177e-324L) 50 51 #define __LDBL_MANT_DIG__ LDBL_MANT_DIG 52 #define __LDBL_DIG__ LDBL_DIG 53 #define __LDBL_RADIX__ LDBL_RADIX 54 #define __LDBL_MIN_EXP__ LDBL_MIN_EXP 55 #define __LDBL_MIN_10_EXP__ LDBL_MIN_10_EXP 56 #define __LDBL_MAX_EXP__ LDBL_MAX_EXP 57 #define __LDBL_MAX_10_EXP__ LDBL_MAX_10_EXP 58 #define __LDBL_MIN__ LDBL_MIN 59 #define __LDBL_MAX__ LDBL_MAX 60 #define __LDBL_EPSILON__ LDBL_EPSILON 61 // predefined by MinGW GCC 62 #define __LDBL_DENORM_MIN__ 3.64519953188247460253e-4951L 63 64 // __builtin replacements/workarounds 65 #include <math.h> // HUGE_VAL 66 #include <ymath.h> // internal MSVC header providing the needed functionality 67 #define __builtin_huge_val() HUGE_VAL 68 #define __builtin_huge_valf() _FInf._Float 69 #define __builtin_huge_vall() _LInf._Long_double 70 #define __builtin_nan(__dummy) _Nan._Double 71 #define __builtin_nanf(__dummy) _FNan._Float 72 #define __builtin_nanl(__dummmy) _LNan._Long_double 73 #define __builtin_nans(__dummy) _Snan._Double 74 #define __builtin_nansf(__dummy) _FSnan._Float 75 #define __builtin_nansl(__dummy) _LSnan._Long_double 76 77 #endif // _MSC_VER 78 79 #endif // _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H 80