1169689Skan// -*- C++ -*-
2169689Skan//===-----------------------------------------------------------------------===//
3169689Skan//
4169689Skan// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5169689Skan// See https://llvm.org/LICENSE.txt for license information.
6169689Skan// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7169689Skan//
8169689Skan//===----------------------------------------------------------------------===//
9169689Skan
10169689Skan#ifndef _LIBCPP_SUPPORT_WIN32_LIMITS_MSVC_WIN32_H
11169689Skan#define _LIBCPP_SUPPORT_WIN32_LIMITS_MSVC_WIN32_H
12169689Skan
13169689Skan#if !defined(_LIBCPP_MSVCRT)
14169689Skan#error "This header complements the Microsoft C Runtime library, and should not be included otherwise."
15169689Skan#endif
16169689Skan#if defined(__clang__)
17169689Skan#error "This header should only be included when using Microsofts C1XX frontend"
18169689Skan#endif
19169689Skan
20169689Skan#include <float.h> // limit constants
21169689Skan#include <limits.h> // CHAR_BIT
22169689Skan#include <math.h> // HUGE_VAL
23169689Skan#include <ymath.h> // internal MSVC header providing the needed functionality
24169689Skan
25169689Skan#define __CHAR_BIT__       CHAR_BIT
26169689Skan
27169689Skan#define __FLT_MANT_DIG__   FLT_MANT_DIG
28169689Skan#define __FLT_DIG__        FLT_DIG
29169689Skan#define __FLT_RADIX__      FLT_RADIX
30169689Skan#define __FLT_MIN_EXP__    FLT_MIN_EXP
31169689Skan#define __FLT_MIN_10_EXP__ FLT_MIN_10_EXP
32169689Skan#define __FLT_MAX_EXP__    FLT_MAX_EXP
33169689Skan#define __FLT_MAX_10_EXP__ FLT_MAX_10_EXP
34169689Skan#define __FLT_MIN__        FLT_MIN
35169689Skan#define __FLT_MAX__        FLT_MAX
36169689Skan#define __FLT_EPSILON__    FLT_EPSILON
37169689Skan// predefined by MinGW GCC
38169689Skan#define __FLT_DENORM_MIN__ 1.40129846432481707092e-45F
39169689Skan
40169689Skan#define __DBL_MANT_DIG__   DBL_MANT_DIG
41169689Skan#define __DBL_DIG__        DBL_DIG
42169689Skan#define __DBL_RADIX__      DBL_RADIX
43169689Skan#define __DBL_MIN_EXP__    DBL_MIN_EXP
44169689Skan#define __DBL_MIN_10_EXP__ DBL_MIN_10_EXP
45169689Skan#define __DBL_MAX_EXP__    DBL_MAX_EXP
46169689Skan#define __DBL_MAX_10_EXP__ DBL_MAX_10_EXP
47#define __DBL_MIN__        DBL_MIN
48#define __DBL_MAX__        DBL_MAX
49#define __DBL_EPSILON__    DBL_EPSILON
50// predefined by MinGW GCC
51#define __DBL_DENORM_MIN__ double(4.94065645841246544177e-324L)
52
53#define __LDBL_MANT_DIG__   LDBL_MANT_DIG
54#define __LDBL_DIG__        LDBL_DIG
55#define __LDBL_RADIX__      LDBL_RADIX
56#define __LDBL_MIN_EXP__    LDBL_MIN_EXP
57#define __LDBL_MIN_10_EXP__ LDBL_MIN_10_EXP
58#define __LDBL_MAX_EXP__    LDBL_MAX_EXP
59#define __LDBL_MAX_10_EXP__ LDBL_MAX_10_EXP
60#define __LDBL_MIN__        LDBL_MIN
61#define __LDBL_MAX__        LDBL_MAX
62#define __LDBL_EPSILON__    LDBL_EPSILON
63// predefined by MinGW GCC
64#define __LDBL_DENORM_MIN__ 3.64519953188247460253e-4951L
65
66// __builtin replacements/workarounds
67#define __builtin_huge_vall()    _LInf._Long_double
68#define __builtin_nanl(__dummmy) _LNan._Long_double
69#define __builtin_nansl(__dummy) _LSnan._Long_double
70
71#endif // _LIBCPP_SUPPORT_WIN32_LIMITS_MSVC_WIN32_H
72