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1de7aa4f81
git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/branches/mira-mtm5@3734 1f5c12ca-751b-0410-a591-d2e778427230
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2010 University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#include "Optimiser.h"
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using namespace Moses;
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using namespace std;
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namespace Mira {
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void Perceptron::updateWeights(ScoreComponentCollection& currWeights,
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const vector< vector<ScoreComponentCollection> >& scores,
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const vector<vector<float> >& losses,
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const vector<ScoreComponentCollection>& oracleScores)
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{
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for (size_t i = 0; i < scores.size(); ++i) {
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for (size_t j = 0; j < scores[i].size(); ++j) {
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if (losses[i][j] > 0) {
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currWeights.MinusEquals(scores[i][j]);
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currWeights.PlusEquals(oracleScores[i]);
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}
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}
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}
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}
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}
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