2
//===--------------------- support/win32/limits_win32.h -------------------===//
4
// The LLVM Compiler Infrastructure
6
// This file is dual licensed under the MIT and the University of Illinois Open
7
// Source Licenses. See LICENSE.TXT for details.
9
//===----------------------------------------------------------------------===//
11
#ifndef _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H
12
#define _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H
14
#if !defined(_MSC_VER)
15
#error "This header is MSVC specific, Clang and GCC should not include it"
21
#include <windows.h> // ymath.h works correctly
23
#include <float.h> // limit constants
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
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)
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
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
79
#endif // _LIBCPP_SUPPORT_WIN32_LIMITS_WIN32_H