blitz Version 0.10
blitz/etbase.h
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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 
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