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put some meat onto skeleton FFs

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This commit is contained in:
Hieu Hoang 2013-09-25 20:19:05 +01:00
parent 1758381c98
commit 56c1224c28
4 changed files with 106 additions and 34 deletions
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52
moses/FF/SkeletonStatefulFF.cpp
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@ -1,7 +1,59 @@
#include <vector>
#include "SkeletonStatefulFF.h"
#include "moses/ScoreComponentCollection.h"
#include "moses/Hypothesis.h"
using namespace std;
namespace Moses
{
int SkeletonState::Compare(const FFState& other) const
{
const SkeletonState &otherState = static_cast<const SkeletonState&>(other);
if (m_targetLen == otherState.m_targetLen)
return 0;
return (m_targetLen < otherState.m_targetLen) ? -1 : +1;
}
void SkeletonStatefulFF::Evaluate(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedFutureScore) const
{}
void SkeletonStatefulFF::Evaluate(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown) const
{}
FFState* SkeletonStatefulFF::Evaluate(
const Hypothesis& cur_hypo,
const FFState* prev_state,
ScoreComponentCollection* accumulator) const
{
// dense scores
vector<float> newScores(m_numScoreComponents);
newScores[0] = 1.5;
newScores[1] = 0.3;
newScores[2] = 0.4;
accumulator->PlusEquals(this, newScores);
// sparse scores
accumulator->PlusEquals(this, "sparse-name", 2.4);
int targetLen = cur_hypo.GetCurrTargetPhrase().GetSize();
return new SkeletonState(0);
}
FFState* SkeletonStatefulFF::EvaluateChart(
const ChartHypothesis& /* cur_hypo */,
int /* featureID - used to index the state in the previous hypotheses */,
ScoreComponentCollection* accumulator) const
{
return new SkeletonState(0);
}
}

39
moses/FF/SkeletonStatefulFF.h
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@ -9,54 +9,45 @@ namespace Moses
class SkeletonState : public FFState
{
int m_targetLen;
public:
int Compare(const FFState& other) const
{
return 0;
}
SkeletonState(int targetLen)
:m_targetLen(targetLen)
{}
int Compare(const FFState& other) const;
};
class SkeletonStatefulFF : public StatefulFeatureFunction
{
public:
SkeletonStatefulFF(const std::string &line)
:StatefulFeatureFunction("StatefulFeatureFunction", line)
:StatefulFeatureFunction("SkeletonStatefulFF", 3, line)
{}
bool IsUseable(const FactorMask &mask) const
{ return true; }
virtual const FFState* EmptyHypothesisState(const InputType &input) const
{
return new SkeletonState(0);
}
void Evaluate(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedFutureScore) const
{}
, ScoreComponentCollection &estimatedFutureScore) const;
void Evaluate(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown) const
{}
, ScoreComponentCollection &scoreBreakdown) const;
FFState* Evaluate(
const Hypothesis& cur_hypo,
const FFState* prev_state,
ScoreComponentCollection* accumulator) const
{
return new SkeletonState();
}
ScoreComponentCollection* accumulator) const;
FFState* EvaluateChart(
const ChartHypothesis& /* cur_hypo */,
int /* featureID - used to index the state in the previous hypotheses */,
ScoreComponentCollection* accumulator) const
{
return new SkeletonState();
}
virtual const FFState* EmptyHypothesisState(const InputType &input) const
{
return new SkeletonState();
}
ScoreComponentCollection* accumulator) const;
};

33
moses/FF/SkeletonStatelessFF.cpp
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@ -1,7 +1,40 @@
#include "SkeletonStatelessFF.h"
#include "moses/ScoreComponentCollection.h"
#include <vector>
using namespace std;
namespace Moses
{
void SkeletonStatelessFF::Evaluate(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedFutureScore) const
{
// dense scores
vector<float> newScores(m_numScoreComponents);
newScores[0] = 1.5;
newScores[1] = 0.3;
scoreBreakdown.PlusEquals(this, newScores);
// sparse scores
scoreBreakdown.PlusEquals(this, "sparse-name", 2.4);
}
void SkeletonStatelessFF::Evaluate(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown) const
{}
void SkeletonStatelessFF::Evaluate(const Hypothesis& hypo,
ScoreComponentCollection* accumulator) const
{}
void SkeletonStatelessFF::EvaluateChart(const ChartHypothesis &hypo,
ScoreComponentCollection* accumulator) const
{}
}

16
moses/FF/SkeletonStatelessFF.h
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@ -10,7 +10,7 @@ class SkeletonStatelessFF : public StatelessFeatureFunction
{
public:
SkeletonStatelessFF(const std::string &line)
:StatelessFeatureFunction("SkeletonStatelessFF", line)
:StatelessFeatureFunction("SkeletonStatelessFF", 2, line)
{}
bool IsUseable(const FactorMask &mask) const
@ -19,19 +19,15 @@ public:
void Evaluate(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedFutureScore) const
{}
, ScoreComponentCollection &estimatedFutureScore) const;
void Evaluate(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown) const
{}
virtual void Evaluate(const Hypothesis& hypo,
ScoreComponentCollection* accumulator) const
{}
, ScoreComponentCollection &scoreBreakdown) const;
void Evaluate(const Hypothesis& hypo,
ScoreComponentCollection* accumulator) const;
void EvaluateChart(const ChartHypothesis &hypo,
ScoreComponentCollection* accumulator) const
{}
ScoreComponentCollection* accumulator) const;
};