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