| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Extra POSIX/ANSI routines for Win32 when using Visual Studio C++. Please |
| // refer to The Open Group Base Specification for specification of the correct |
| // semantics for these functions. |
| // (http://www.opengroup.org/onlinepubs/000095399/) |
| |
| #ifndef V8_BASE_WIN32_MATH_H_ |
| #define V8_BASE_WIN32_MATH_H_ |
| |
| #ifndef _MSC_VER |
| #error Wrong environment, expected MSVC. |
| #endif // _MSC_VER |
| |
| // MSVC 2013+ provides implementations of all standard math functions. |
| #if (_MSC_VER < 1800) |
| enum { |
| FP_NAN, |
| FP_INFINITE, |
| FP_ZERO, |
| FP_SUBNORMAL, |
| FP_NORMAL |
| }; |
| |
| |
| namespace std { |
| |
| int isfinite(double x); |
| int isinf(double x); |
| int isnan(double x); |
| int isless(double x, double y); |
| int isgreater(double x, double y); |
| int fpclassify(double x); |
| int signbit(double x); |
| |
| } // namespace std |
| |
| #endif // _MSC_VER < 1800 |
| |
| #endif // V8_BASE_WIN32_MATH_H_ |