SHOGUN
v2.0.0
Main Page
Related Pages
Modules
Classes
Files
File List
File Members
All
Classes
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Friends
Macros
Groups
Pages
src
shogun
kernel
SigmoidKernel.cpp
Go to the documentation of this file.
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) 1999-2010 Soeren Sonnenburg
8
* Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
9
* Copyright (C) 2010 Berlin Institute of Technology
10
*/
11
12
#include <
shogun/lib/common.h
>
13
#include <
shogun/kernel/SigmoidKernel.h
>
14
15
using namespace
shogun;
16
17
CSigmoidKernel::CSigmoidKernel
() :
CDotKernel
()
18
{
19
init
();
20
}
21
22
CSigmoidKernel::CSigmoidKernel
(int32_t size,
float64_t
g,
float64_t
c)
23
:
CDotKernel
(size)
24
{
25
init
();
26
27
gamma
=g;
28
coef0
=c;
29
}
30
31
CSigmoidKernel::CSigmoidKernel
(
32
CDotFeatures
* l,
CDotFeatures
* r, int32_t size,
float64_t
g,
float64_t
c)
33
:
CDotKernel
(size)
34
{
35
init
();
36
37
gamma
=g;
38
coef0
=c;
39
40
init
(l,r);
41
}
42
43
CSigmoidKernel::~CSigmoidKernel
()
44
{
45
cleanup
();
46
}
47
48
void
CSigmoidKernel::cleanup
()
49
{
50
}
51
52
bool
CSigmoidKernel::init(
CFeatures
* l,
CFeatures
* r)
53
{
54
CDotKernel::init(l, r);
55
return
init_normalizer
();
56
}
57
58
void
CSigmoidKernel::init()
59
{
60
gamma
=0.0;
61
coef0
=0.0;
62
63
SG_ADD
(&
gamma
,
"gamma"
,
"Gamma."
,
MS_AVAILABLE
);
64
SG_ADD
(&
coef0
,
"coef0"
,
"Coefficient 0."
,
MS_AVAILABLE
);
65
}
SHOGUN
Machine Learning Toolbox - Documentation