PBRT
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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