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src
shogun
classifier
LPM.h
浏览该文件的文档.
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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) 2007-2009 Soeren Sonnenburg
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* Copyright (C) 2007-2009 Fraunhofer Institute FIRST and Max-Planck-Society
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*/
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#ifndef _LPM_H___
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#define _LPM_H___
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#include <
shogun/lib/config.h
>
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#ifdef USE_CPLEX
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#include <stdio.h>
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#include <
shogun/lib/common.h
>
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#include <
shogun/features/Features.h
>
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#include <
shogun/machine/LinearMachine.h
>
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namespace
shogun
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{
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class
CLPM
:
public
CLinearMachine
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{
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public
:
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MACHINE_PROBLEM_TYPE
(
PT_BINARY
);
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CLPM
();
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virtual
~CLPM
();
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virtual
EMachineType
get_classifier_type
()
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{
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return
CT_LPM
;
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}
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virtual
void
set_features
(
CDotFeatures
* feat)
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{
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if
(feat->
get_feature_class
() !=
C_SPARSE
||
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feat->
get_feature_type
() !=
F_DREAL
)
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SG_ERROR
(
"LPM requires SPARSE REAL valued features\n"
)
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CLinearMachine::set_features
(feat);
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}
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inline
void
set_C
(
float64_t
c_neg,
float64_t
c_pos) {
C1
=c_neg;
C2
=c_pos; }
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inline
float64_t
get_C1
() {
return
C1
; }
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inline
float64_t
get_C2
() {
return
C2
; }
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inline
void
set_bias_enabled
(
bool
enable_bias) {
use_bias
=enable_bias; }
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inline
bool
get_bias_enabled
() {
return
use_bias
; }
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inline
void
set_epsilon
(
float64_t
eps) {
epsilon
=eps; }
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inline
float64_t
get_epsilon
() {
return
epsilon
; }
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virtual
const
char
*
get_name
()
const
{
return
"LPM"
; }
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protected
:
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virtual
bool
train_machine
(
CFeatures
* data=NULL);
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protected
:
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float64_t
C1
;
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float64_t
C2
;
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bool
use_bias
;
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float64_t
epsilon
;
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};
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}
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#endif //USE_CPLEX
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#endif //_LPM_H___
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