source: trunk/yat/classifier/FeatureSelector.cc @ 1268

Last change on this file since 1268 was 1204, checked in by Peter, 13 years ago

Return by value from FeatureSelector?. Copying a Lookup is cheap, so no reason to return by reference and keep a collection of garbage

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date ID
File size: 1.5 KB
Line 
1// $Id$
2
3/*
4  Copyright (C) 2006 Jari Häkkinen, Peter Johansson
5
6  This file is part of the yat library, http://trac.thep.lu.se/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 "FeatureSelector.h"
25#include "MatrixLookup.h"
26#include "MatrixLookupWeighted.h"
27
28#include <list>
29
30namespace theplu {
31namespace yat {
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  {
43  }
44
45
46  const utility::Index FeatureSelector::features(void) const
47  {
48    return features_;
49  }
50
51
52  const MatrixLookup FeatureSelector::get(const MatrixLookup& matrix)
53  {
54    return MatrixLookup(matrix, features_,true);
55  }
56
57
58  const MatrixLookupWeighted
59  FeatureSelector::get(const MatrixLookupWeighted& matrix)
60  {
61    return MatrixLookupWeighted(matrix, features_, true);
62  }
63
64}}} // of namespace classifier, yat, and theplu
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