mosesdecoder/mert/Point.h
nicolabertoldi 291260abf7 - made output more compliant with old version
- added PerSCorer.h and BleuScorer.h
- stored feature names
- fixed bug about output of best Point


git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@1796 1f5c12ca-751b-0410-a591-d2e778427230
2008-05-27 16:50:52 +00:00

49 lines
1.6 KiB
C++

#ifndef POINT_H
#define POINT_H
#include <vector>
#include "Types.h"
#include "FeatureStats.h"
#include <cassert>
class Optimizer;
/**class that handle the subset of the Feature weight on which we run the optimization*/
class Point:public vector<parameter_t>{
friend class Optimizer;
private:
/**The indices over which we optimize*/
static vector<unsigned int> optindices;
/**dimension of optindices and of the parent vector*/
static unsigned int dim;
/**fixed weights in case of partial optimzation*/
static map<unsigned int,parameter_t> fixedweights;
/**total size of the parameter space; we have pdim=FixedWeight.size()+optinidices.size()*/
static unsigned int pdim;
static unsigned int ncall;
public:
static unsigned int getdim(){return dim;}
static unsigned int getpdim(){return pdim;}
static bool OptimizeAll(){return fixedweights.empty();};
statscore_t score;
Point():vector<parameter_t>(dim){};
Point(const vector<parameter_t>& init);
void Randomize(const vector<parameter_t>& min,const vector<parameter_t>& max);
double operator*(const FeatureStats&)const;//compute the feature function
Point operator+(const Point&)const;
Point operator*(float)const;
/**write the Whole featureweight to a stream (ie pdim float)*/
friend ostream& operator<<(ostream& o,const Point& P);
void Normalize(){ NormalizeL2(); };
void NormalizeL2();
void NormalizeL1();
/**return a vector of size pdim where all weights have been put(including fixed ones)*/
vector<parameter_t> GetAllWeights()const;
statscore_t GetScore()const { return score; };
};
#endif