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BinaryTreeMachineNode.h
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1 /*
2  * Copyright (c) The Shogun Machine Learning Toolbox
3  * Written (w) 2014 Parijat Mazumdar
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation
13  * and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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29  */
30 
31 #ifndef BINARYTREEMACHINENODE_H__
32 #define BINARYTREEMACHINENODE_H__
33 
34 #include <shogun/base/SGObject.h>
35 #include <shogun/base/Parameter.h>
37 
38 namespace shogun
39 {
40 
47 template <typename T>
49  : public CTreeMachineNode<T>
50 {
51 public:
54  {
55  }
56 
57 
60  {
61  }
62 
66  virtual const char* get_name() const { return "BinaryTreeMachineNode"; }
67 
73  {
74  if (this->m_children->get_num_elements()==0)
75  {
76  this->m_children->push_back(l);
77  l->parent(this);
78  }
79  else
80  {
81  this->m_children->set_element(l,0);
82  l->parent(this);
83  }
84  }
85 
91  {
92  if (this->m_children->get_num_elements())
93  return (CBinaryTreeMachineNode*) this->m_children->get_element(0);
94 
95  return NULL;
96  }
97 
103  {
104  if (this->m_children->get_num_elements()==0)
105  {
106  this->m_children->push_back(NULL);
107  this->m_children->push_back(r);
108  r->parent(this);
109  }
110  else if (this->m_children->get_num_elements()==1)
111  {
112  this->m_children->push_back(r);
113  r->parent(this);
114  }
115  else
116  {
117  this->m_children->set_element(r,1);
118  r->parent(this);
119  }
120  }
121 
127  {
128  if (this->m_children->get_num_elements()==2)
129  return (CBinaryTreeMachineNode*) this->m_children->get_element(1);
130 
131  return NULL;
132  }
133 
134 };
135 
136 } /* namespace shogun */
137 
138 #endif /* BINARYTREEMACHINENODE_H__ */
139 
void parent(CTreeMachineNode *par)
CBinaryTreeMachineNode * right()
The node of the tree structure forming a TreeMachine The node contains pointer to its parent and poin...
bool set_element(CSGObject *e, int32_t idx1, int32_t idx2=0, int32_t idx3=0)
CBinaryTreeMachineNode * left()
void right(CBinaryTreeMachineNode *r)
The node of the tree structure forming a TreeMachine The node contains a pointer to its parent and a ...
virtual const char * get_name() const
CDynamicObjectArray * m_children
CSGObject * get_element(int32_t index) const
void left(CBinaryTreeMachineNode *l)

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