source: trunk/c++_tools/classifier/DataLookup1D.cc @ 675

Last change on this file since 675 was 675, checked in by Jari Häkkinen, 15 years ago

References #83. Changing project name to yat. Compilation will fail in this revision.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date ID
File size: 2.2 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 "yat/classifier/DataLookup1D.h"
25#include "yat/classifier/DataLookup2D.h"
26#include "yat/classifier/MatrixLookup.h"
27
28#include <cassert>
29#include <iostream>
30#include <iomanip>
31
32namespace theplu {
33namespace classifier {
34
35  DataLookup1D::DataLookup1D(const DataLookup2D& m, const size_t i, 
36                             const bool row_vector)
37    : column_vector_(!row_vector), index_(i), matrix_(&m), owner_(false)
38  {
39    assert( !column_vector_ || i<m.columns());
40    assert( column_vector_ || i<m.rows());
41  }
42 
43  DataLookup1D::DataLookup1D(const size_t size, const double value)
44    : column_vector_(false), index_(0), owner_(true)
45  {
46    matrix_ = new MatrixLookup(1,size,value);
47  }
48
49  DataLookup1D::DataLookup1D(const DataLookup1D& other)
50    : column_vector_(other.column_vector_), index_(other.index_),
51      matrix_(other.matrix_), owner_(false)
52  {
53  }
54
55  DataLookup1D::~DataLookup1D()
56  {
57    if (owner_)
58      delete matrix_;
59  }
60
61
62  double DataLookup1D::operator*(const DataLookup1D& other) const
63  {
64    assert(other.size()==size());
65    double res=0;
66    for (size_t i = 0; i<size(); i++)
67      res += (*this)(i)*other(i);
68    return res;
69  }
70
71
72  std::ostream& operator<<(std::ostream& os, const DataLookup1D& x)
73  {
74    os.setf(std::ios::dec);
75    os.precision(12);
76   
77    for (size_t i=0; i<x.size(); ++i) {
78      os << x(i);
79      if ((i+1)<x.size())
80        os << os.fill();
81    }
82    return os;
83  }
84
85}} // of namespace classifier and namespace theplu
Note: See TracBrowser for help on using the repository browser.