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src
shogun
kernel
DiagKernel.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) 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 _DIAGKERNEL_H___
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#define _DIAGKERNEL_H___
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#include <
shogun/lib/common.h
>
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#include <
shogun/kernel/Kernel.h
>
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namespace
shogun
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{
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class
CDiagKernel
:
public
CKernel
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{
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public
:
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CDiagKernel
();
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CDiagKernel
(int32_t size,
float64_t
diag
=1.0);
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CDiagKernel
(
CFeatures
* l,
CFeatures
* r,
float64_t
diag
=1.0);
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virtual
~CDiagKernel
();
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virtual
bool
init
(
CFeatures
* l,
CFeatures
* r);
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virtual
EFeatureType
get_feature_type
()
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{
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return
F_ANY
;
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}
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virtual
EFeatureClass
get_feature_class
()
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{
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return
C_ANY
;
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}
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virtual
EKernelType
get_kernel_type
() {
return
K_DIAG
; }
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virtual
const
char
*
get_name
()
const
{
return
"DiagKernel"
; }
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protected
:
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virtual
float64_t
compute
(int32_t idx_a, int32_t idx_b)
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{
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if
(idx_a==idx_b)
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return
diag
;
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else
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return
0;
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}
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private
:
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void
init();
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protected
:
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float64_t
diag
;
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};
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}
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#endif
/* _DIAGKERNEL_H__ */
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