source: trunk/yat/utility/MatrixWeighted.cc @ 1384

Last change on this file since 1384 was 1384, checked in by Peter, 13 years ago

refs #396

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1// $Id: MatrixWeighted.cc 1384 2008-07-17 21:26:58Z peter $
2
3/*
4  Copyright (C) 2003 Daniel Dalevi, Peter Johansson
5  Copyright (C) 2004 Jari Häkkinen, Peter Johansson
6  Copyright (C) 2005, 2006 Jari Häkkinen, Peter Johansson, Markus Ringnér
7  Copyright (C) 2007, 2008 Jari Häkkinen, 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
27#include "MatrixWeighted.h"
28
29#include "DataIterator.h"
30#include "Matrix.h"
31#include "WeightIterator.h"
32
33#include <cassert>
34#include <vector>
35
36namespace theplu {
37namespace yat {
38namespace utility {
39
40
41  MatrixWeighted::MatrixWeighted(void)
42    : columns_(0)
43  {
44  }
45
46
47  MatrixWeighted::MatrixWeighted(size_t r, size_t c, double x, double w)
48    : vec_(std::vector<DataWeight>(r*c, DataWeight(x,w))), columns_(c)
49  {}
50
51 
52  MatrixWeighted::MatrixWeighted(const MatrixWeighted& other)
53    : vec_(other.vec_), columns_(other.columns_)
54  {}
55
56
57  MatrixWeighted::MatrixWeighted(const Matrix& data)
58  {
59    copy(data);
60  }
61
62 
63  MatrixWeighted::MatrixWeighted(std::istream& is, char sep)
64  {
65    Matrix data(is, sep);
66    copy(data);
67  }
68
69 
70  MatrixWeighted::iterator MatrixWeighted::begin(void)
71  {
72    return iterator(vec_.begin());
73  }
74
75
76  MatrixWeighted::const_iterator MatrixWeighted::begin(void) const
77  {
78    return const_iterator(vec_.begin());
79  }
80
81
82  MatrixWeighted::iterator MatrixWeighted::begin_column(size_t i)
83  {
84    return iterator(vec_.begin()+i, columns_);
85  }
86
87
88  MatrixWeighted::const_iterator MatrixWeighted::begin_column(size_t i) const
89  {
90    return const_iterator(vec_.begin()+i, columns_);
91  }
92
93
94  MatrixWeighted::iterator MatrixWeighted::begin_row(size_t i)
95  {
96    return iterator(vec_.begin()+columns_*i);
97  }
98
99
100  MatrixWeighted::const_iterator MatrixWeighted::begin_row(size_t i) const
101  {
102    return const_iterator(vec_.begin()+columns_*i);
103  }
104
105
106  size_t MatrixWeighted::columns(void) const
107  {
108    return columns_;
109  }
110
111
112  void MatrixWeighted::copy(const Matrix& data)
113  {
114    Matrix weight;
115    nan(data, weight);
116    copy(data, weight);
117  }
118
119
120  void MatrixWeighted::copy(const Matrix& data, const Matrix& weight)
121  {
122    assert(data.rows()==weight.rows());
123    assert(data.columns()==weight.columns());
124    columns_ = data.columns();
125    resize(data.columns(), data.rows());
126    std::copy(data.begin(), data.end(), make_data_iterator(vec_.begin()));
127    std::copy(weight.begin(), weight.end(), make_weight_iterator(vec_.begin()));
128  }
129
130
131  MatrixWeighted::iterator MatrixWeighted::end(void)
132  {
133    return iterator(vec_.end());
134  }
135
136
137  MatrixWeighted::const_iterator MatrixWeighted::end(void) const
138  {
139    return const_iterator(vec_.end());
140  }
141
142
143  MatrixWeighted::iterator MatrixWeighted::end_column(size_t i)
144  {
145    return iterator(vec_.begin()+i+vec_.size(), columns_);
146  }
147
148
149  MatrixWeighted::const_iterator MatrixWeighted::end_column(size_t i) const
150  {
151    return const_iterator(vec_.begin()+i+vec_.size(), columns_);
152  }
153
154
155  MatrixWeighted::iterator MatrixWeighted::end_row(size_t i)
156  {
157    return iterator(vec_.begin()+columns_*(i+1));
158  }
159
160
161  MatrixWeighted::const_iterator MatrixWeighted::end_row(size_t i) const
162  {
163    return const_iterator(vec_.begin()+columns_*(i+1));
164  }
165
166
167  void MatrixWeighted::resize(size_t rows, size_t columns)
168  {
169    columns_ = columns;
170    vec_.resize(rows*columns);
171  }
172
173 
174  size_t MatrixWeighted::rows(void) const
175  {
176    if (vec_.size())
177      return vec_.size()/columns_;
178    return 0;
179  }
180
181
182  DataWeight& MatrixWeighted::operator()(size_t row, size_t column)
183  {
184    assert(column<columns_);
185    assert(row*column < vec_.size());
186    return vec_[row*columns_ + column];
187  }
188
189
190  const DataWeight& MatrixWeighted::operator()(size_t row, size_t column) const
191  {
192    assert(column<columns_);
193    assert(row*column < vec_.size());
194    return vec_[row*columns_ + column];
195  }
196
197}}} // of namespace utility, yat and thep
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