mirror of https://github.com/axmolengine/axmol.git
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __PLATFORM_CCXMATH_H__
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#define __PLATFORM_CCXMATH_H__
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#include <float.h>
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namespace cocos2d
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{
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/************************************************************************/
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// VC have the function _isnan()
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// In other compiler(such as gcc), we may implement ourself.
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// We use a simple way: if it is a number, it should equal to itself.
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/************************************************************************/
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class CCXMath
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{
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public:
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static inline int isnanCocos2d(double fValue)
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{
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#if defined(WIN32) && !defined (SHP)
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return _isnan(fValue);
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#else
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if (fValue != fValue)
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{
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return 1;
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}
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else
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{
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return 0;
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}
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#endif // WIN32
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}
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};
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} // end of namespace cocos2d
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#endif // __PLATFORM_CCXMATH_H__
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