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src
shogun
kernel
BesselKernel.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) 2011 Ziyuan Lin
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* Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
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*/
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#ifndef BESSELKERNEL_H_
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#define BESSELKERNEL_H_
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#include <
shogun/lib/common.h
>
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#include <
shogun/kernel/Kernel.h
>
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#include <
shogun/kernel/DistanceKernel.h
>
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namespace
shogun
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{
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class
CDistance;
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class
CBesselKernel
:
public
CDistanceKernel
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{
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public
:
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CBesselKernel
();
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CBesselKernel
(int32_t size,
float64_t
order
,
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float64_t
width
, int32_t
degree
,
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CDistance
* dist);
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CBesselKernel
(
CFeatures
* l,
CFeatures
* r,
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float64_t
order,
float64_t
width, int32_t degree,
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CDistance
* dist, int32_t size=10);
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virtual
~CBesselKernel
();
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virtual
bool
init
(
CFeatures
* l,
CFeatures
* r);
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virtual
void
cleanup
();
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virtual
EKernelType
get_kernel_type
()
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{
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return
K_BESSEL
;
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}
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virtual
EFeatureType
get_feature_type
()
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{
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return
distance
->
get_feature_type
();
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}
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virtual
EFeatureClass
get_feature_class
()
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{
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return
distance
->
get_feature_class
();
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}
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virtual
const
char
*
get_name
()
const
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{
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return
"BesselKernel"
;
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}
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virtual
void
set_order
(
float64_t
v)
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{
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order = v;
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}
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virtual
float64_t
get_order
()
const
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{
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return
order
;
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}
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virtual
void
set_width
(
float64_t
tau)
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{
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width = tau;
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}
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virtual
float64_t
get_width
()
const
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{
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return
width
;
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}
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virtual
void
set_degree
(int32_t n)
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{
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degree = n;
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}
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virtual
int32_t
get_degree
()
const
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{
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return
degree
;
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}
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protected
:
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float64_t
compute
(int32_t idx_a, int32_t idx_b);
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private
:
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void
init();
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protected
:
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float64_t
order
;
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int32_t
degree
;
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};
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}
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#endif
/* BESSELKERNEL_H_ */
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