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GradientCriterion.h
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Copyright (C) 2012 Jacob Walker
8  */
9 
10 #ifndef CGRADIENTCRITERION_H_
11 #define CGRADIENTCRITERION_H_
12 
13 #include <shogun/lib/config.h>
14 
16 
17 namespace shogun
18 {
19 
25 {
26 public:
29 
30  virtual ~CGradientCriterion() { }
31 
39  virtual float64_t evaluate(CLabels* predicted, CLabels* ground_truth)
40  {
41  return 0.0;
42  }
43 
46  {
47  return m_direction;
48  }
49 
55  {
56  m_direction=direction;
57  }
58 
63  virtual const char* get_name() const { return "GradientCriterion"; }
64 
65 private:
67  EEvaluationDirection m_direction;
68 };
69 }
70 #endif /* CGRADIENTCRITERION_H_ */
virtual const char * get_name() const
The class Labels models labels, i.e. class assignments of objects.
Definition: Labels.h:43
virtual void set_evaluation_direction(EEvaluationDirection direction)
Simple class which specifies the direction of gradient search.
EEvaluationDirection
Definition: Evaluation.h:29
double float64_t
Definition: common.h:50
virtual float64_t evaluate(CLabels *predicted, CLabels *ground_truth)
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
Class Evaluation, a base class for other classes used to evaluate labels, e.g. accuracy of classifica...
Definition: Evaluation.h:40
virtual EEvaluationDirection get_evaluation_direction() const

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