#include <stdlib.h>
#include <assert.h>
#include "vislearning/math/mathbase/Featuretype.h"

using namespace OBJREC;
using namespace NICE;
using namespace std;

FeatureType::FeatureType(const FeatureType &_ft)
{
	sv = _ft.sv;
	v = _ft.v;
	ft = _ft.ft;
}

FeatureType::FeatureType(int f, int dim)
{
	ft = f;
	setDim(dim);
}

FeatureType::FeatureType(SparseVector &tsv) : sv(tsv)
{
	sv = tsv;
	ft = SPARSEVECTORFEATURE;
	v.clear();
}

FeatureType::FeatureType(Vector &tv) //: v(tv)
{
	v.resize(tv.size());
	for(int i = 0; i < v.size(); i++)
	{
		v[i] = tv[i];
	}
	ft = VECTORFEATURE;
	sv.clear();
}
					
void FeatureType::setDim(int dim)
{
	if(ft == SPARSEVECTORFEATURE)
	{
		sv.setDim(dim);
	}
	else
	{
		v.resize(dim);
	}
}
					
double FeatureType::get(int pos) const
{
	assert(pos < getDim());
	if(ft == SPARSEVECTORFEATURE)
	{
		return sv.get(pos);
	}
	else
	{
		return v[pos];
	}
}
					
int FeatureType::getType()
{
	return ft;
}

int FeatureType::getDim() const
{
	if(ft == SPARSEVECTORFEATURE)
	{
		return sv.getDim();
	}
	else
	{
		return (int)v.size();
	}
}
		
const NICE::Vector& FeatureType::getVec() const
{
	return v;
}

const SparseVector& FeatureType::getSVec() const
{
	return sv;
}