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#include "Point.h"
#include<cmath>
#include <cassert>
using namespace std;
vector<unsigned> Point::optindices;
unsigned Point::dim=0;
map<unsigned,statscore_t> Point::fixedweights;
unsigned Point::pdim=0;
unsigned Point::ncall=0;
void Point::Randomize(const vector<parameter_t>& min,const vector<parameter_t>& max){
assert(min.size()==Point::dim);
assert(max.size()==Point::dim);
for (int i=0; i<size(); i++)
operator[](i)= min[i] + (float)random()/(float)RAND_MAX * (float)(max[i]-min[i]);
}
void Point::Normalize(){
parameter_t norm=0.0;
for (int i=0; i<size(); i++)
norm+= operator[](i)*operator[](i);
if(norm!=0.0){
norm=sqrt(norm);
for (int i=0; i<size(); i++)
operator[](i)/=norm;
}
}
//Can initialize from a vector of dim or pdim
Point::Point(const vector<parameter_t>& init):vector<parameter_t>(Point::dim){
if(init.size()==dim){
for (int i=0; i<Point::dim; i++)
operator[](i)=init[i];
}else{
assert(init.size()==pdim);
for (int i=0; i<Point::dim; i++)
operator[](i)=init[optindices[i]];
}
};
double Point::operator*(const FeatureStats& F)const{
ncall++;//to track performance
double prod=0.0;
if(OptimizeAll())
for (unsigned i=0; i<size(); i++)
prod+= operator[](i)*F.get(i);
else{
for (unsigned i=0; i<size(); i++)
prod+= operator[](i)*F.get(optindices[i]);
for(map<unsigned,float >::iterator it=fixedweights.begin();it!=fixedweights.end();it++)
prod+=it->second*F.get(it->first);
}
return prod;
}
Point Point::operator+(const Point& p2)const{
assert(p2.size()==size());
Point Res(*this);
for(unsigned i=0;i<size();i++)
Res[i]+=p2[i];
Res.score=numeric_limits<statscore_t>::max();
return Res;
};
Point Point::operator*(float l)const{
Point Res(*this);
for(unsigned i=0;i<size();i++)
Res[i]*=l;
Res.score=numeric_limits<statscore_t>::max();
return Res;
};
ostream& operator<<(ostream& o,const Point& P){
vector<parameter_t> w=P.GetAllWeights();
for(int i=0;i<Point::pdim;i++)
o<<w[i]<<' ';
o<<endl;
return o;
};
vector<parameter_t> Point::GetAllWeights()const{
vector<parameter_t> w;
if(OptimizeAll()){
w=*this;
}else{
w.resize(pdim);
for (int i=0; i<size(); i++)
w[optindices[i]]=operator[](i);
for(map<unsigned,float >::iterator it=fixedweights.begin();it!=fixedweights.end();it++)
w[it->first]=it->second;
}
return w;
};
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