68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/*
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* Copyright (c) 2011, Tom Distler (http://tdistler.com)
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* All rights reserved.
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*
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* The BSD License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* - Neither the name of the tdistler.com nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _OS_H_
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#define _OS_H_
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/* Microsoft tends to implement features early, but they have a high legacy
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* cost because they won't break existing implementations. As such, certain
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* features we take for granted on other platforms (like C99) aren't fully
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* implemented. This file is meant to rectify that.
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*/
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#ifdef WIN32
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#include <windows.h>
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#include <math.h>
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#define IQA_INLINE __inline
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#ifndef INFINITY
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#define INFINITY (float)HUGE_VAL /**< Defined in C99 (Windows is C89) */
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#endif /*INFINITY*/
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#ifndef NAN
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static const unsigned long __nan[2] = {0xffffffff, 0x7fffffff};
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#define NAN (*(const float *) __nan) /**< Defined in C99 (Windows is C99) */
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#endif
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#define IQA_EXPORT __declspec(dllexport)
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#else /* !Windows */
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#define IQA_INLINE inline
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#define IQA_EXPORT
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#endif
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#endif /* _OS_H_ */
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