source: trunk/yat/classifier/FeatureSelector.cc @ 831

Last change on this file since 831 was 831, checked in by Peter, 15 years ago

Refs #185.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date ID
File size: 1.9 KB
RevLine 
[604]1// $Id$
2
[675]3/*
[831]4  Copyright (C) 2006 Jari Häkkinen, Peter Johansson
[675]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
[604]24#include "FeatureSelector.h"
[624]25#include "MatrixLookup.h"
26#include "MatrixLookupWeighted.h"
[604]27
28#include <list>
29
30namespace theplu {
[680]31namespace yat {
[604]32namespace classifier {
33
34
35  FeatureSelector::FeatureSelector(size_t N, size_t first)
36    : first_(first), N_(N)
37  {
38  }
39
40
41  FeatureSelector::~FeatureSelector()
42  {
[624]43    for (std::list<const MatrixLookup*>::iterator i=garbage_.begin(); 
[604]44         i!=garbage_.end(); ++i)
45      delete *i;
[624]46    for (std::list<const MatrixLookupWeighted*>::iterator i=
47           garbage_weighted_.begin(); i!=garbage_weighted_.end(); ++i)
48      delete *i;
[604]49  }
50
51
[720]52  const std::vector<size_t> FeatureSelector::features(void) const
53  {
54    return features_;
55  }
56
57
[624]58  const MatrixLookup& FeatureSelector::get(const MatrixLookup& matrix)
[604]59  {
[624]60    garbage_.push_back(new MatrixLookup(matrix,features_,true));
[604]61    return *garbage_.back();
62  }
63
[624]64
65  const MatrixLookupWeighted& 
66  FeatureSelector::get(const MatrixLookupWeighted& matrix)
67  {
68    garbage_weighted_.push_back(new MatrixLookupWeighted(matrix,features_,
69                                                         true));
70    return *garbage_weighted_.back();
71  }
72
[680]73}}} // of namespace classifier, yat, and theplu
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