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https://github.com/moses-smt/mosesdecoder.git
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62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
/*
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* Weights.cpp
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*
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* Created on: 24 Oct 2015
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* Author: hieu
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*/
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#include <cassert>
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#include <string>
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#include <vector>
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#include "FF/FeatureFunction.h"
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#include "FF/FeatureFunctions.h"
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#include "Weights.h"
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#include "System.h"
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#include "legacy/Util2.h"
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using namespace std;
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namespace Moses2
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{
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Weights::Weights()
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{
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// TODO Auto-generated constructor stub
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}
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Weights::~Weights()
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{
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// TODO Auto-generated destructor stub
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}
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void Weights::Init(const FeatureFunctions &ffs)
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{
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size_t totalNumScores = ffs.GetNumScores();
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//cerr << "totalNumScores=" << totalNumScores << endl;
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m_weights.resize(totalNumScores, 1);
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}
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std::vector<SCORE> Weights::GetWeights(const FeatureFunction &ff) const
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{
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std::vector<SCORE> ret(m_weights.begin() + ff.GetStartInd(), m_weights.begin() + ff.GetStartInd() + ff.GetNumScores());
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return ret;
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}
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void Weights::SetWeights(const FeatureFunctions &ffs, const std::string &ffName, const std::vector<float> &weights)
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{
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const FeatureFunction *ff = ffs.FindFeatureFunction(ffName);
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UTIL_THROW_IF2(ff == NULL, "Feature function not found:" << ffName);
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size_t startInd = ff->GetStartInd();
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size_t numScores = ff->GetNumScores();
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UTIL_THROW_IF2(weights.size() != numScores, "Wrong number of weights. " << weights.size() << "!=" << numScores);
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for (size_t i = 0; i < numScores; ++i) {
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SCORE weight = weights[i];
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m_weights[startInd + i] = weight;
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}
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}
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}
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