SHOGUN  3.2.1
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SquaredHingeLoss.cpp
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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 Technohingey and Max-Planck-Society.
10  */
11 
13 #include <shogun/io/SGIO.h>
14 
15 using namespace shogun;
16 
18 {
19  return (z < 1) ? 0.5 * (1-z) * (1-z) : 0;
20 }
21 
23 {
24  return (z < 1) ? z-1 : 0;
25 }
26 
28 {
29  return (z < 1) ? 1 : 0;
30 }
31 
33 {
35  return -1;
36 }
37 
39 {
41  return -1;
42 }

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