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src
shogun
multiclass
tree
BallTree.h
浏览该文件的文档.
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/*
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* Copyright (c) The Shogun Machine Learning Toolbox
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* Written (w) 2014 Parijat Mazumdar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are those
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* of the authors and should not be interpreted as representing official policies,
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* either expressed or implied, of the Shogun Development Team.
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*/
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#ifndef _BALLTREE_H__
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#define _BALLTREE_H__
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#include <
shogun/lib/config.h
>
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#include <
shogun/multiclass/tree/NbodyTree.h
>
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namespace
shogun
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{
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class
CBallTree
:
public
CNbodyTree
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{
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public
:
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CBallTree
(int32_t leaf_size=1,
EDistanceType
d=
D_EUCLIDEAN
);
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virtual
~CBallTree
() { };
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virtual
const
char
*
get_name
()
const
{
return
"BallTree"
; }
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private
:
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float64_t
min_dist(
bnode_t
*
node
,
float64_t
* feat, int32_t dim);
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virtual
float64_t
min_dist_dual(
bnode_t
* nodeq,
bnode_t
* noder);
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virtual
float64_t
max_dist_dual(
bnode_t
* nodeq,
bnode_t
* noder);
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void
min_max_dist(
float64_t
* pt,
bnode_t
*
node
,
float64_t
&lower,
float64_t
&upper, int32_t dim);
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void
init_node(
bnode_t
*
node
,
index_t
start,
index_t
end);
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};
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}
/* namespace shogun */
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#endif
/* _BALLTREE_H__ */
node
Definition:
JLCoverTree.h:41
shogun::CBinaryTreeMachineNode
The node of the tree structure forming a TreeMachine The node contains pointer to its parent and poin...
Definition:
BinaryTreeMachineNode.h:50
index_t
int32_t index_t
Definition:
common.h:62
shogun::CBallTree
This class implements Ball tree. The ball tree is contructed using the top-down approach. cf. ftp://ftp.icsi.berkeley.edu/pub/techreports/1989/tr-89-063.pdf.
Definition:
BallTree.h:45
config.h
NbodyTree.h
shogun::CBallTree::get_name
virtual const char * get_name() const
Definition:
BallTree.h:61
shogun::EDistanceType
EDistanceType
Definition:
Distance.h:32
float64_t
double float64_t
Definition:
common.h:50
shogun::D_EUCLIDEAN
Definition:
Distance.h:45
shogun::CNbodyTree
This class implements genaralized tree for N-body problems like k-NN, kernel density estimation...
Definition:
NbodyTree.h:50
shogun
all of classes and functions are contained in the shogun namespace
Definition:
class_list.h:18
shogun::CBallTree::~CBallTree
virtual ~CBallTree()
Definition:
BallTree.h:56
shogun::CBallTree::CBallTree
CBallTree(int32_t leaf_size=1, EDistanceType d=D_EUCLIDEAN)
Definition:
BallTree.cpp:35
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