source: trunk/yat/classifier/DataLookup1D.cc @ 720

Last change on this file since 720 was 720, checked in by Jari Häkkinen, 15 years ago

Fixes #170. Almost all inlines removed, some classes have no cc file.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date ID
File size: 2.5 KB
Line 
1// $Id$
2
3/*
4  Copyright (C) The authors contributing to this file.
5
6  This file is part of the yat library, http://lev.thep.lu.se/trac/yat
7
8  The yat library is free software; you can redistribute it and/or
9  modify it under the terms of the GNU General Public License as
10  published by the Free Software Foundation; either version 2 of the
11  License, or (at your option) any later version.
12
13  The yat library is distributed in the hope that it will be useful,
14  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  General Public License for more details.
17
18  You should have received a copy of the GNU General Public License
19  along with this program; if not, write to the Free Software
20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21  02111-1307, USA.
22*/
23
24#include "DataLookup1D.h"
25#include "DataLookup2D.h"
26#include "MatrixLookup.h"
27
28#include <cassert>
29#include <iostream>
30#include <iomanip>
31
32namespace theplu {
33namespace yat {
34namespace classifier {
35
36  DataLookup1D::DataLookup1D(const DataLookup2D& m, const size_t i, 
37                             const bool row_vector)
38    : column_vector_(!row_vector), index_(i), matrix_(&m), owner_(false)
39  {
40    assert( !column_vector_ || i<m.columns());
41    assert( column_vector_ || i<m.rows());
42  }
43 
44
45  DataLookup1D::DataLookup1D(const size_t size, const double value)
46    : column_vector_(false), index_(0), owner_(true)
47  {
48    matrix_ = new MatrixLookup(1,size,value);
49  }
50
51
52  DataLookup1D::DataLookup1D(const DataLookup1D& other)
53    : column_vector_(other.column_vector_), index_(other.index_),
54      matrix_(other.matrix_), owner_(false)
55  {
56  }
57
58
59  DataLookup1D::~DataLookup1D()
60  {
61    if (owner_)
62      delete matrix_;
63  }
64
65
66  size_t DataLookup1D::size(void) const
67  {
68    return column_vector_ ? matrix_->rows() : matrix_->columns();
69  }
70
71
72  double DataLookup1D::operator()(const size_t i) const
73  { 
74    assert(i<size());
75    return column_vector_ ? (*matrix_)(i,index_) : (*matrix_)(index_,i);
76  }
77
78
79  double DataLookup1D::operator[](const size_t i) const
80  { 
81    return this->operator()(i);
82  }
83
84
85  double DataLookup1D::operator*(const DataLookup1D& other) const
86  {
87    assert(other.size()==size());
88    double res=0;
89    for (size_t i = 0; i<size(); i++)
90      res += (*this)(i)*other(i);
91    return res;
92  }
93
94
95  std::ostream& operator<<(std::ostream& os, const DataLookup1D& x)
96  {
97    os.setf(std::ios::dec);
98    os.precision(12);
99   
100    for (size_t i=0; i<x.size(); ++i) {
101      os << x(i);
102      if ((i+1)<x.size())
103        os << os.fill();
104    }
105    return os;
106  }
107
108}}} // of namespace classifier, yat, and theplu
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