Evaluation.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 2011 Sergey Lisitsyn
 * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
 */

#ifndef EVALUATION_H_
#define EVALUATION_H_

#include <shogun/lib/config.h>

#include <shogun/labels/Labels.h>
#include <shogun/base/SGObject.h>

#include <shogun/lib/SGVector.h>
#include <shogun/lib/SGMatrix.h>

namespace shogun
{
class CLabels;

enum EEvaluationDirection
{
    ED_MINIMIZE=0,
    ED_MAXIMIZE=1
};

class CEvaluation : public CSGObject
{
public:
    CEvaluation() : CSGObject() { };

    virtual ~CEvaluation() { };

    virtual float64_t evaluate(CLabels* predicted, CLabels* ground_truth)=0;

    virtual void set_indices(SGVector<index_t> indices) { }

    virtual EEvaluationDirection get_evaluation_direction() const=0;
};
}
#endif /* EVALUATION_H_ */