source: trunk/yat/classifier/KNN_Uniform.cc @ 1615

Last change on this file since 1615 was 1522, checked in by Peter, 13 years ago

passing by reference rather than by value

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.3 KB
Line 
1// $Id: KNN_Uniform.cc 1522 2008-09-23 13:41:19Z peter $
2
3/*
4  Copyright (C) 2008 Markus Ringnér
5
6  This file is part of the yat library, http://dev.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 3 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 yat. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "KNN_Uniform.h"
23#include "Target.h"
24
25#include "yat/utility/VectorBase.h"
26#include "yat/utility/VectorMutable.h"
27
28#include <cmath>
29#include <vector>
30
31namespace theplu {
32namespace yat {
33namespace classifier {
34
35  void KNN_Uniform::operator()(const utility::VectorBase& distance,
36                               const std::vector<size_t>& k_sorted, 
37                               const Target& target, 
38                               utility::VectorMutable& prediction) const
39  {           
40    for(size_t j=0;j<k_sorted.size();j++) 
41      if(!std::isinf(distance(k_sorted[j])))
42         prediction(target(k_sorted[j]))+=1.0;           
43  }
44
45}}}
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