V8 Project
win32-math.h
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1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Extra POSIX/ANSI routines for Win32 when using Visual Studio C++. Please
6 // refer to The Open Group Base Specification for specification of the correct
7 // semantics for these functions.
8 // (http://www.opengroup.org/onlinepubs/000095399/)
9 
10 #ifndef V8_BASE_WIN32_MATH_H_
11 #define V8_BASE_WIN32_MATH_H_
12 
13 #ifndef _MSC_VER
14 #error Wrong environment, expected MSVC.
15 #endif // _MSC_VER
16 
17 // MSVC 2013+ provides implementations of all standard math functions.
18 #if (_MSC_VER < 1800)
19 enum {
20  FP_NAN,
21  FP_INFINITE,
22  FP_ZERO,
23  FP_SUBNORMAL,
24  FP_NORMAL
25 };
26 
27 
28 namespace std {
29 
30 int isfinite(double x);
31 int isinf(double x);
32 int isnan(double x);
33 int isless(double x, double y);
34 int isgreater(double x, double y);
35 int fpclassify(double x);
36 int signbit(double x);
37 
38 } // namespace std
39 
40 #endif // _MSC_VER < 1800
41 
42 #endif // V8_BASE_WIN32_MATH_H_
std::signbit
int signbit(double x)
Definition: platform-solaris.cc:40
FP_INFINITE
@ FP_INFINITE
Definition: win32-math.h:21
FP_SUBNORMAL
@ FP_SUBNORMAL
Definition: win32-math.h:23
FP_NORMAL
@ FP_NORMAL
Definition: win32-math.h:24
FP_ZERO
@ FP_ZERO
Definition: win32-math.h:22
FP_NAN
@ FP_NAN
Definition: win32-math.h:20
std::isfinite
int isfinite(double x)
std::isnan
int isnan(double x)
std::fpclassify
int fpclassify(double x)
std::isless
int isless(double x, double y)
std::isgreater
int isgreater(double x, double y)
std::isinf
int isinf(double x)