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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // modification, are permitted provided that the following conditions are | 3 // found in the LICENSE file. |
| 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 | 4 |
| 28 // Extra POSIX/ANSI routines for Win32 when using Visual Studio C++. Please | 5 // 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 | 6 // refer to The Open Group Base Specification for specification of the correct |
| 30 // semantics for these functions. | 7 // semantics for these functions. |
| 31 // (http://www.opengroup.org/onlinepubs/000095399/) | 8 // (http://www.opengroup.org/onlinepubs/000095399/) |
| 32 #if defined(_MSC_VER) && (_MSC_VER < 1800) | 9 #if defined(_MSC_VER) && (_MSC_VER < 1800) |
| 33 | 10 |
| 34 #include "win32-headers.h" | 11 #include "win32-headers.h" |
| 35 #include <limits.h> // Required for INT_MAX etc. | 12 #include <limits.h> // Required for INT_MAX etc. |
| 36 #include <float.h> // Required for DBL_MAX and on Win32 for finite() | 13 #include <float.h> // Required for DBL_MAX and on Win32 for finite() |
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| 96 // and negative versions of zero. | 73 // and negative versions of zero. |
| 97 if (x == 0) | 74 if (x == 0) |
| 98 return _fpclass(x) & _FPCLASS_NZ; | 75 return _fpclass(x) & _FPCLASS_NZ; |
| 99 else | 76 else |
| 100 return x < 0; | 77 return x < 0; |
| 101 } | 78 } |
| 102 | 79 |
| 103 } // namespace std | 80 } // namespace std |
| 104 | 81 |
| 105 #endif // _MSC_VER | 82 #endif // _MSC_VER |
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