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LogLossMargin.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  * Written (W) 2011 Shashwat Lal Das
8  * Written (W) 2012 Fernando José Iglesias García
9  * Copyright (c) 2011 Berlin Institute of Technology and Max-Planck-Society.
10  */
11 
12 #ifndef _LOGLOSSMARGIN_H__
13 #define _LOGLOSSMARGIN_H__
14 
16 
17 namespace shogun
18 {
23 {
24 public:
29 
34 
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61 
72  virtual float64_t get_update(float64_t prediction, float64_t label, float64_t eta_t, float64_t norm);
73 
82  virtual float64_t get_square_grad(float64_t prediction, float64_t label);
83 
89  virtual ELossType get_loss_type() { return L_LOGLOSSMARGIN; }
90 
91  virtual const char* get_name() const { return "LogLossMargin"; }
92 };
93 
94 }
95 
96 #endif

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