blitz Version 0.10
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00001 // -*- C++ -*- 00002 /*************************************************************************** 00003 * blitz/etbase.h Declaration of the ETBase<T> class 00004 * 00005 * $Id: etbase.h,v 1.7 2011/03/25 22:41:16 julianc Exp $ 00006 * 00007 * Copyright (C) 1997-2011 Todd Veldhuizen <tveldhui@acm.org> 00008 * 00009 * This file is a part of Blitz. 00010 * 00011 * Blitz is free software: you can redistribute it and/or modify 00012 * it under the terms of the GNU Lesser General Public License 00013 * as published by the Free Software Foundation, either version 3 00014 * of the License, or (at your option) any later version. 00015 * 00016 * Blitz is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU Lesser General Public License for more details. 00020 * 00021 * You should have received a copy of the GNU Lesser General Public 00022 * License along with Blitz. If not, see <http://www.gnu.org/licenses/>. 00023 * 00024 * Suggestions: blitz-devel@lists.sourceforge.net 00025 * Bugs: blitz-support@lists.sourceforge.net 00026 * 00027 * For more information, please see the Blitz++ Home Page: 00028 * https://sourceforge.net/projects/blitz/ 00029 * 00030 ***************************************************************************/ 00031 00032 #ifndef BZ_ETBASE_H 00033 #define BZ_ETBASE_H 00034 00035 BZ_NAMESPACE(blitz) 00036 00037 template<typename T> 00038 class ETBase { 00039 public: 00040 ETBase() 00041 { } 00042 00043 ETBase(const ETBase<T>&) 00044 { } 00045 00046 T& unwrap() { return static_cast<T&>(*this); } 00047 00048 const T& unwrap() const { return static_cast<const T&>(*this); } 00049 00050 ETBase<T>& wrap() { return static_cast<ETBase<T>&>(*this); } 00051 00052 const ETBase<T>& wrap() const { return static_cast<const ETBase<T>&>(*this); } 00053 }; 00054 00055 BZ_NAMESPACE_END 00056 00057 #endif // BZ_ETBASE_H 00058