source: trunk/yat/utility/IteratorPolicy.h @ 1082

Last change on this file since 1082 was 1082, checked in by Peter, 14 years ago

working on #247

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.5 KB
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1#ifndef _theplu_yat_utility_iterator_policy_
2#define _theplu_yat_utility_iterator_policy_
3
4// $Id: IteratorPolicy.h 1082 2008-02-13 12:50:45Z peter $
5
6/*
7  Copyright (C) 2008 Peter Johansson
8
9  This file is part of the yat library, http://trac.thep.lu.se/yat
10
11  The yat library is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public License as
13  published by the Free Software Foundation; either version 2 of the
14  License, or (at your option) any later version.
15
16  The yat library is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19  General Public License for more details.
20
21  You should have received a copy of the GNU General Public License
22  along with this program; if not, write to the Free Software
23  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24  02111-1307, USA.
25*/
26
27namespace theplu {
28namespace yat {
29namespace utility {
30
31  /**
32     \brief Default policy for Iterator
33  */
34  template<class Container, typename reference, typename weight_t>
35  struct IteratorPolicy
36  {
37    typedef reference data_type;
38    typedef weight_t weight_type;
39
40    data_type data(const Container& c, size_t row, size_t column) const
41    {
42      return c(row, column);
43    }
44
45    reference dereference(const Container& c, size_t row, size_t column) const
46    {
47      return c(row, column);
48    }
49
50    weight_type weight(const Container& c, size_t row, size_t column) const
51    {
52      return 1.0;
53    }
54   
55  };
56}}} // of namespace utility, yat, and theplu
57
58#endif
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