/src/FreeImage/Source/OpenEXR/Imath/ImathPlatform.h
https://bitbucket.org/cabalistic/ogredeps/ · C++ Header · 112 lines · 24 code · 24 blank · 64 comment · 3 complexity · 77414a74e5758e7b23a0ddd9ee52d7d3 MD5 · raw file
- ///////////////////////////////////////////////////////////////////////////
- //
- // Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
- // Digital Ltd. LLC
- //
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Industrial Light & Magic nor the names of
- // its contributors may be used to endorse or promote products derived
- // from this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- //
- ///////////////////////////////////////////////////////////////////////////
- #ifndef INCLUDED_IMATHPLATFORM_H
- #define INCLUDED_IMATHPLATFORM_H
- //----------------------------------------------------------------------------
- //
- // ImathPlatform.h
- //
- // This file contains functions and constants which aren't
- // provided by the system libraries, compilers, or includes on
- // certain platforms.
- //
- //----------------------------------------------------------------------------
- #include <math.h>
- #ifndef M_PI
- #define M_PI 3.14159265358979323846
- #endif
- #ifndef M_PI_2
- #define M_PI_2 1.57079632679489661923 // pi/2
- #endif
- //-----------------------------------------------------------------------------
- //
- // Some, but not all, C++ compilers support the C99 restrict
- // keyword or some variant of it, for example, __restrict.
- //
- //-----------------------------------------------------------------------------
- #if defined __GNUC__
- //
- // supports __restrict
- //
- #define IMATH_RESTRICT __restrict
- #elif defined (__INTEL_COMPILER) || \
- defined(__ICL) || \
- defined(__ICC) || \
- defined(__ECC)
- //
- // supports restrict
- //
- #define IMATH_RESTRICT restrict
- #elif defined __sgi
- //
- // supports restrict
- //
- #define IMATH_RESTRICT restrict
- #elif defined _MSC_VER
- //
- // supports __restrict
- //
- // #define IMATH_RESTRICT __restrict
- #define IMATH_RESTRICT
- #else
- //
- // restrict / __restrict not supported
- //
- #define IMATH_RESTRICT
- #endif
- #endif // INCLUDED_IMATHPLATFORM_H