1 // Copyright 2011 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 // Extra POSIX/ANSI routines for Win32 when using Visual Studio C++. Please 29 // refer to The Open Group Base Specification for specification of the correct 30 // semantics for these functions. 31 // (http://www.opengroup.org/onlinepubs/000095399/) 32 33 #ifndef V8_WIN32_MATH_H_ 34 #define V8_WIN32_MATH_H_ 35 36 #ifndef _MSC_VER 37 #error Wrong environment, expected MSVC. 38 #endif // _MSC_VER 39 40 enum { 41 FP_NAN, 42 FP_INFINITE, 43 FP_ZERO, 44 FP_SUBNORMAL, 45 FP_NORMAL 46 }; 47 48 namespace v8 { 49 50 int isfinite(double x); 51 52 } // namespace v8 53 54 int isnan(double x); 55 int isinf(double x); 56 int isless(double x, double y); 57 int isgreater(double x, double y); 58 int fpclassify(double x); 59 int signbit(double x); 60 61 #endif // V8_WIN32_MATH_H_ 62
