mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-27 05:55:02 +03:00
eb2c9ee5e3
Squashed commit of the following: - Clean up PRO. - Clean up ScoreStats. - Clean up ScoreData. - Clean up ScoreArray. - Remove unnecessary headers. - Clean up ScopedVector. - Clean up Point. - Clean up PerScorer. - Clean up Optimizer. - Clean up MergeScorer. - Clean up InterpolatedScorer. - Clean up FileStream. - Clean up FeatureStats. - Remove inefficient string concatenation. - Clean up FeatureData. - Clean up FeatureArray. - Clean up Data.
123 lines
3.8 KiB
C++
123 lines
3.8 KiB
C++
#include "MergeScorer.h"
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#include <cmath>
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#include <stdexcept>
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#include "ScoreStats.h"
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#include "TerScorer.h"
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#include "BleuScorer.h"
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#include "PerScorer.h"
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#include "CderScorer.h"
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#include "TER/tercalc.h"
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#include "TER/terAlignment.h"
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using namespace TERCpp;
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MergeScorer::MergeScorer(const string& config)
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: StatisticsBasedScorer("MERGE", config) {}
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MergeScorer::~MergeScorer() {}
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void MergeScorer::setReferenceFiles(const vector<string>& referenceFiles)
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{
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throw runtime_error("MERGE Scorer can be used only in mert execution");
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exit(0);
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}
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void MergeScorer::prepareStats(size_t sid, const string& text, ScoreStats& entry)
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{
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throw runtime_error("MergeScorer::prepareStats : MERGE Scorer can be used only in mert execution");
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exit(0);
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}
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/*
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float MergeScorer::calculateScore(const vector<int>& comps)
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{
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throw runtime_error("MergeScorer::calculateScore : MERGE Scorer can be used only in mert execution");
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exit(0);
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}
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*/
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float MergeScorer::calculateScore(const std::vector< int >& comps) const
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{
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float result = 0.0;
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vector<int> vecLine;
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vector<string> vecScorerType;
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vector<float> weightsModifier;
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int pos = 0;
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int weightIncrement = 0;
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string initfile = "merge.init";
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string line;
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ifstream opt(initfile.c_str());
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float denom = 0.0;
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if (opt.fail()) {
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cerr<<"MergeScorer::calculateScore : could not open initfile: " << initfile << endl;
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exit(3);
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}
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while (getline (opt, line)) {
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vector<string> vecLine=stringToVector(line, " ");
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if (vecLine.size() != 4) {
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cerr<<"MergeScorer::calculateScore : Error in initfile: " << initfile << endl;
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exit(4);
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}
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vecScorerType.push_back(vecLine.at(0));
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weightsModifier.push_back(atof(vecLine.at(1).c_str()));
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denom += abs(atof(vecLine.at(1).c_str()));
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}
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const int weights_modifier_size = static_cast<int>(weightsModifier.size());
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for (weightIncrement = 0; weightIncrement < weights_modifier_size; weightIncrement++)
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{
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if (vecScorerType.at(weightIncrement).compare("BLEU") == 0)
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{
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BleuScorer* scorer01 = new BleuScorer("");
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const float weight = weightsModifier.at(weightIncrement) / denom;
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vecLine.clear();
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const int num_scores = static_cast<int>(scorer01->NumberOfScores());
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vecLine = subVector(comps, pos, pos + num_scores);
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pos += num_scores;
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result += weight * scorer01->calculateScore(vecLine);;
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delete scorer01;
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}
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else if (vecScorerType.at(weightIncrement).compare("TER") == 0)
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{
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TerScorer* scorer02 = new TerScorer("");
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const float weight = weightsModifier.at(weightIncrement) / denom;
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vecLine.clear();
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const int num_scores = static_cast<int>(scorer02->NumberOfScores());
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vecLine = subVector(comps, pos, pos + num_scores);
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pos += num_scores;
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result += weight * scorer02->calculateScore(vecLine);
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delete scorer02;
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}
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else if (vecScorerType.at(weightIncrement).compare("PER") == 0)
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{
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PerScorer* scorer03 = new PerScorer("");
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const float weight = weightsModifier.at(weightIncrement) / denom;
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vecLine.clear();
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const int num_scores = static_cast<int>(scorer03->NumberOfScores());
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vecLine = subVector(comps, pos, pos + num_scores);
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pos += num_scores;
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result += weight * scorer03->calculateScore(vecLine);
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delete scorer03;
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}
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else if (vecScorerType.at(weightIncrement).compare("CER") == 0)
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{
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CderScorer* scorer04 = new CderScorer("");
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const float weight = weightsModifier.at(weightIncrement) / denom;
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vecLine.clear();
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const int num_scores = static_cast<int>(scorer04->NumberOfScores());
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vecLine = subVector(comps, pos, pos + num_scores);
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pos += num_scores;
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result += weight * scorer04->calculateScore(vecLine);
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delete scorer04;
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}
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else
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{
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throw runtime_error("MergeScorer::calculateScore : Scorer unknown");
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exit(0);
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}
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}
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return result;
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}
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