/usr/include/shogun/evaluation/GradientCriterion.h is in libshogun-dev 3.2.0-7.3build4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | /*
* 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.
*
* Copyright (C) 2012 Jacob Walker
*/
#ifndef CGRADIENTCRITERION_H_
#define CGRADIENTCRITERION_H_
#include <shogun/evaluation/Evaluation.h>
namespace shogun
{
/** @brief Simple class which specifies the direction of gradient search.
*
* Does not provide any label evaluation measure, however.
*/
class CGradientCriterion : public CEvaluation
{
public:
/** default constructor */
CGradientCriterion() : CEvaluation() { m_direction=ED_MINIMIZE; }
virtual ~CGradientCriterion() { }
/** evaluate labels (not really used in this class).
*
* @param predicted labels for evaluating
* @param ground_truth labels assumed to be correct
*
* @return evaluation result
*/
virtual float64_t evaluate(CLabels* predicted, CLabels* ground_truth)
{
return 0.0;
}
/** @return whether criterion has to be maximized or minimized */
virtual EEvaluationDirection get_evaluation_direction() const
{
return m_direction;
}
/** set the evaluation direction
*
* @param direction evaluation direction to be set
*/
virtual void set_evaluation_direction(EEvaluationDirection direction)
{
m_direction=direction;
}
/** returns name of evaluation criterion
*
* @return name GradientCriterion
*/
virtual const char* get_name() const { return "GradientCriterion"; }
private:
/** evaluation direction */
EEvaluationDirection m_direction;
};
}
#endif /* CGRADIENTCRITERION_H_ */
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