#include <iostream>

#include "VectorFeature.h"
#include "vislearning/cbaselib/FeaturePool.h"

using namespace OBJREC;

using namespace std;
// refactor-nice.pl: check this substitution
// old: using namespace ice;
using namespace NICE;

/** simple destructor */
VectorFeature::~VectorFeature()
{
}

double VectorFeature::val( const Example *example ) const
{
    return example->vec->get(feature_index);
}

void VectorFeature::explode ( FeaturePool & featurePool, bool variableWindow ) const
{
	for ( int i = 0 ; i < dimension ; i++ )
	{
        VectorFeature *f = new VectorFeature ( dimension , i);
		featurePool.addFeature(f, 1.0 / dimension);
	}
}

Feature *VectorFeature::clone() const
{
    VectorFeature *f = new VectorFeature( dimension, feature_index);
	return f;
}

Feature *VectorFeature::generateFirstParameter () const
{
	return clone();
}

void VectorFeature::restore (istream & is, int format)
{
	is >> feature_index;
}

void VectorFeature::store (ostream & os, int format) const
{
    os << "VECTORFEATURE "
			<< feature_index;
}

void VectorFeature::clear ()
{
}

void VectorFeature::getStump ( int & _feature_index, int & _dimension ) const
{
	_feature_index = feature_index;
	_dimension = dimension;
}