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src
shogun
classifier
svm
MPDSVM.h
Go to the documentation of this file.
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* Written (W) 1999-2009 Soeren Sonnenburg
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* Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
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*/
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#ifndef _MPDSVM_H___
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#define _MPDSVM_H___
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#include <
shogun/lib/common.h
>
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#include <
shogun/classifier/svm/SVM.h
>
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#include <
shogun/lib/Cache.h
>
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#include <
shogun/labels/BinaryLabels.h
>
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namespace
shogun
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{
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class
CMPDSVM
:
public
CSVM
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{
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public
:
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CMPDSVM
();
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CMPDSVM
(
float64_t
C,
CKernel
* k,
CLabels
* lab);
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virtual
~CMPDSVM
();
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virtual
EMachineType
get_classifier_type
() {
return
CT_MPD
; }
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virtual
const
char
*
get_name
()
const
{
return
"MPDSVM"
; }
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protected
:
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virtual
bool
train_machine
(
CFeatures
* data=NULL);
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inline
float64_t
compute_H
(int32_t i, int32_t j)
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{
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return
((
CBinaryLabels
*)
m_labels
)->get_label(i)*
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((
CBinaryLabels
*)
m_labels
)->get_label(j)*
kernel
->
kernel
(i,j);
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}
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inline
KERNELCACHE_ELEM
*
lock_kernel_row
(int32_t i)
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{
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KERNELCACHE_ELEM
* line=NULL;
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if
(
kernel_cache
->
is_cached
(i))
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{
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line=
kernel_cache
->
lock_entry
(i);
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ASSERT
(line)
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}
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if
(!line)
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{
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line=
kernel_cache
->
set_entry
(i);
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ASSERT
(line)
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for
(int32_t j=0; j<
m_labels
->
get_num_labels
(); j++)
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line[j]=(
KERNELCACHE_ELEM
) ((
CBinaryLabels
*)
m_labels
)->get_label(i)*((
CBinaryLabels
*) m_labels)->get_label(j)*
kernel
->
kernel
(i,j);
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}
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return
line;
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}
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inline
void
unlock_kernel_row
(int32_t i)
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{
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kernel_cache
->
unlock_entry
(i);
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}
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CCache<KERNELCACHE_ELEM>
*
kernel_cache
;
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};
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}
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#endif
/* _MPDSVM_H___ */
SHOGUN
Machine Learning Toolbox - Documentation