source: trunk/yat/normalization/ColumnNormalizer.h @ 1467

Last change on this file since 1467 was 1467, checked in by Peter, 13 years ago

fixing typ matrix -> Matrix

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.0 KB
Line 
1#ifndef _theplu_yat_normalization_column_normalizer_
2#define _theplu_yat_normalization_column_normalizer_
3
4/*
5  Copyright (C) 2008 Peter Johansson
6
7  This file is part of the yat library, http://dev.thep.lu.se/yat
8
9  The yat library is free software; you can redistribute it and/or
10  modify it under the terms of the GNU General Public License as
11  published by the Free Software Foundation; either version 2 of the
12  License, or (at your option) any later version.
13
14  The yat library 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 GNU
17  General Public License for more details.
18
19  You should have received a copy of the GNU General Public License
20  along with this program; if not, write to the Free Software
21  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
22  02111-1307, USA.
23*/
24
25#include "yat/utility/Matrix.h"
26
27namespace theplu {
28namespace yat {
29namespace normalization {
30
31  /**
32     \brief Normalize each column
33
34     Using a functor T to normalize each column.
35
36     \since New in yat 0.5
37   */
38  template<class T>
39  class ColumnNormalizer
40  {
41  public:
42    /**
43       functor used to normalize each column
44    */
45    typedef T normalizer_type;
46
47    /**
48       \brief Default constructor
49     */
50    ColumnNormalizer(void) {}
51
52    /**
53       \brief Constructor taking a functor \a norm
54     */
55    ColumnNormalizer(T norm) 
56      : normalizer_(norm) {}
57
58    /**
59       Each column in \a result is normalized using class T.
60
61       \note matrix is ignored
62     */
63    void operator()(const utility::Matrix& matrix, 
64                    utility::Matrix& result) const;
65  private:
66    T normalizer_;
67  };
68
69  template<class T>
70  void ColumnNormalizer<T>::operator()(const utility::Matrix& matrix, 
71                                       utility::Matrix& result) const
72  {
73    for (size_t i=0; i<matrix.rows(); ++i)
74      normalizer_(result.begin_column(i), result.end_column(i),
75                  result.begin_column(i));
76
77  }
78
79
80}}} // end of namespace normalization, yat and thep
81#endif
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