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etbase.h
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1 // -*- C++ -*-
2 /***************************************************************************
3  * blitz/etbase.h Declaration of the ETBase<T> class
4  *
5  * $Id: etbase.h,v 1.5 2003/12/30 23:03:29 julianc Exp $
6  *
7  * Copyright (C) 1997-2001 Todd Veldhuizen <tveldhui@oonumerics.org>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * as published by the Free Software Foundation; either version 2
12  * of the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * Suggestions: blitz-dev@oonumerics.org
20  * Bugs: blitz-bugs@oonumerics.org
21  *
22  * For more information, please see the Blitz++ Home Page:
23  * http://oonumerics.org/blitz/
24  *
25  ***************************************************************************/
26 
27 #ifndef BZ_ETBASE_H
28 #define BZ_ETBASE_H
29 
30 BZ_NAMESPACE(blitz)
31 
32 template<typename T>
33 class ETBase {
34 public:
35  ETBase()
36  { }
37 
38  ETBase(const ETBase<T>&)
39  { }
40 
41  T& unwrap() { return static_cast<T&>(*this); }
42 
43  const T& unwrap() const { return static_cast<const T&>(*this); }
44 };
45 
47 
48 #endif // BZ_ETBASE_H
49