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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
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21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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29  */
30 
31 #ifndef BINARYTREEMACHINENODE_H__
32 #define BINARYTREEMACHINENODE_H__
33 
34 #include <shogun/lib/config.h>
35 
36 #include <shogun/base/SGObject.h>
37 #include <shogun/base/Parameter.h>
39 
40 namespace shogun
41 {
42 
49 template <typename T>
51  : public CTreeMachineNode<T>
52 {
53 public:
56  {
57  }
58 
59 
62  {
63  }
64 
68  virtual const char* get_name() const { return "BinaryTreeMachineNode"; }
69 
75  {
76  if (this->m_children->get_num_elements()==0)
77  {
78  this->m_children->push_back(l);
79  l->parent(this);
80  }
81  else
82  {
83  this->m_children->set_element(l,0);
84  l->parent(this);
85  }
86  }
87 
93  {
94  if (this->m_children->get_num_elements())
95  return (CBinaryTreeMachineNode*) this->m_children->get_element(0);
96 
97  return NULL;
98  }
99 
105  {
106  if (this->m_children->get_num_elements()==0)
107  {
108  this->m_children->push_back(NULL);
109  this->m_children->push_back(r);
110  r->parent(this);
111  }
112  else if (this->m_children->get_num_elements()==1)
113  {
114  this->m_children->push_back(r);
115  r->parent(this);
116  }
117  else
118  {
119  this->m_children->set_element(r,1);
120  r->parent(this);
121  }
122  }
123 
129  {
130  if (this->m_children->get_num_elements()==2)
131  return (CBinaryTreeMachineNode*) this->m_children->get_element(1);
132 
133  return NULL;
134  }
135 
136 };
137 
138 } /* namespace shogun */
139 
140 #endif /* BINARYTREEMACHINENODE_H__ */
141 

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