PBRT
/home/felix/UBC/projects/AdaptiveLightfieldSampling/pbrt_v2/src/3rdparty/openexr-1.7.0/ImfAutoArray.h
00001 
00002 //
00003 // Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
00004 // Digital Ltd. LLC
00005 // 
00006 // All rights reserved.
00007 // 
00008 // Redistribution and use in source and binary forms, with or without
00009 // modification, are permitted provided that the following conditions are
00010 // met:
00011 // *       Redistributions of source code must retain the above copyright
00012 // notice, this list of conditions and the following disclaimer.
00013 // *       Redistributions in binary form must reproduce the above
00014 // copyright notice, this list of conditions and the following disclaimer
00015 // in the documentation and/or other materials provided with the
00016 // distribution.
00017 // *       Neither the name of Industrial Light & Magic nor the names of
00018 // its contributors may be used to endorse or promote products derived
00019 // from this software without specific prior written permission. 
00020 // 
00021 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00022 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00023 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
00024 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
00025 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00027 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00028 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00029 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00030 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00031 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032 //
00034 
00035 
00036 
00037 #ifndef INCLUDED_IMF_AUTO_ARRAY_H
00038 #define INCLUDED_IMF_AUTO_ARRAY_H
00039 
00040 //-----------------------------------------------------------------------------
00041 //
00042 //      class AutoArray -- a workaround for systems with
00043 //      insufficient stack space for large auto arrays.
00044 //
00045 //-----------------------------------------------------------------------------
00046 
00047 #include "OpenEXRConfig.h"
00048 
00049 namespace Imf {
00050 
00051 
00052 #if !defined (HAVE_LARGE_STACK)
00053 
00054 
00055     template <class T, int size>
00056     class AutoArray
00057     {
00058       public:
00059 
00060          AutoArray (): _data (new T [size]) {}
00061         ~AutoArray () {delete [] _data;}
00062 
00063         operator T * ()                 {return _data;}
00064         operator const T * () const     {return _data;}
00065       
00066       private:
00067 
00068         T *_data;
00069     };
00070 
00071 
00072 #else
00073 
00074 
00075     template <class T, int size>
00076     class AutoArray
00077     {
00078       public:
00079 
00080         operator T * ()                 {return _data;}
00081         operator const T * () const     {return _data;}
00082       
00083       private:
00084 
00085         T _data[size];
00086     };
00087 
00088 
00089 #endif
00090 
00091 } // namespace Imf
00092 
00093 #endif