Update to 2.0.0 tree from current Fremantle build

[opencv] / 3rdparty / include / OpenEXR / ImathPlatform.h

diff --git a/3rdparty/include/OpenEXR/ImathPlatform.h b/3rdparty/include/OpenEXR/ImathPlatform.h
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+++ b/3rdparty/include/OpenEXR/ImathPlatform.h
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+///////////////////////////////////////////////////////////////////////////
+//
+// 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>
+
+#if defined _WIN32 || defined _WIN64
+    #ifndef M_PI
+        #define M_PI 3.14159265358979323846
+    #endif
+#endif
+
+//-----------------------------------------------------------------------------
+//
+//    Fixes for the "restrict" keyword.  These #ifdef's for detecting 
+//    compiler versions courtesy of Boost's select_compiler_config.hpp; 
+//    here is the copyright notice for that file:
+//
+//    (C) Copyright Boost.org 2001. Permission to copy, use, modify, sell and
+//    and distribute this software is granted provided this copyright notice
+//    appears in all copies. This software is provided "as is" without express 
+//    or implied warranty, and with no claim as to its suitability for any 
+//    purpose.
+//
+//    Some compilers support "restrict", in which case we do nothing.
+//    Other compilers support some variant of it (e.g. "__restrict").
+//    If we don't know anything about the compiler, we define "restrict"
+//    to be a no-op.
+//
+//-----------------------------------------------------------------------------
+
+#if defined __GNUC__
+    #if !defined(restrict)
+       #define restrict __restrict
+    #endif
+
+#elif defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)
+    // supports restrict, do nothing.
+
+#elif defined __sgi
+    // supports restrict, do nothing.
+
+#else
+    #define restrict
+
+#endif
+
+#endif // INCLUDED_IMATHPLATFORM_H