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src
shogun
kernel
string
LocalAlignmentStringKernel.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 _LOCALALIGNMENTSTRINGKERNEL_H___
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#define _LOCALALIGNMENTSTRINGKERNEL_H___
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#include <
shogun/lib/common.h
>
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#include <
shogun/kernel/string/StringKernel.h
>
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namespace
shogun
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{
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const
int32_t
LOGSUM_TBL
=10000;
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class
CLocalAlignmentStringKernel
:
public
CStringKernel
<char>
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{
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public
:
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CLocalAlignmentStringKernel
(int32_t size=0);
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CLocalAlignmentStringKernel
(
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CStringFeatures<char>
* l,
CStringFeatures<char>
* r,
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float64_t
opening=10,
float64_t
extension=2);
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virtual
~CLocalAlignmentStringKernel
();
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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_LOCALALIGNMENT
;
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}
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virtual
const
char
*
get_name
()
const
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{
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return
"LocalAlignmentStringKernel"
;
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}
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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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private
:
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void
init_logsum();
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int32_t LogSum(int32_t p1, int32_t p2);
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float32_t
LogSum2(
float32_t
p1,
float32_t
p2);
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float64_t
LAkernelcompute(
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int32_t* aaX, int32_t* aaY, int32_t nX, int32_t nY);
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void
init_static_variables();
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void
init();
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protected
:
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bool
initialized
;
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int32_t *
isAA
;
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int32_t *
aaIndex
;
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int32_t
m_opening
;
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int32_t
m_extension
;
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static
int32_t
logsum_lookup
[
LOGSUM_TBL
];
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static
const
int32_t
blosum
[];
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int32_t*
scaled_blosum
;
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static
const
char
*
aaList
;
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};
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}
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#endif
/* _LOCALALIGNMENTSTRINGKERNEL_H__ */
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