ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkNumericTraitsDiffusionTensor3DPixel.h
Go to the documentation of this file.
1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef __itkNumericTraitsDiffusionTensor3DPixel_h
19 #define __itkNumericTraitsDiffusionTensor3DPixel_h
20 
21 #include "itkNumericTraits.h"
22 #include "itkDiffusionTensor3D.h"
23 
24 // This file is meant to define numeric traits for tensor pixels types in itk
25 
26 namespace itk
27 {
44 template< typename T >
46 {
47 private:
48 
54 
55 public:
56 
58  typedef T ValueType;
59 
61 
64 
67 
71 
74 
77 
80 
83 
89  static const Self max(const Self &)
90  {
91  return Self( NumericTraits< T >::max() );
92  }
93 
94  static const Self min(const Self &)
95  {
96  return Self( NumericTraits< T >::min() );
97  }
98 
99  static const Self NonpositiveMin(const Self &)
100  {
102  }
103 
104  static const Self ZeroValue(const Self &)
105  {
107  }
108 
109  static const Self OneValue(const Self &)
110  {
112  }
113 
114  static const Self max()
115  {
116  return Self( NumericTraits< T >::max() );
117  }
118 
119  static const Self min()
120  {
121  return Self( NumericTraits< T >::min() );
122  }
123 
124  static const Self NonpositiveMin()
125  {
127  }
128 
129  static const Self ZeroValue()
130  {
132  }
133 
134  static const Self OneValue()
135  {
137  }
138 
143  static void SetLength(DiffusionTensor3D< T > & m, const unsigned int s)
144  {
145  if ( s != 6 )
146  {
147  itkGenericExceptionMacro(<< "Cannot set the size of a DiffusionTensor3D "
148  "to anything other than 6.");
149  }
151  }
153 
155  static unsigned int GetLength(const DiffusionTensor3D< T > &)
156  {
157  return 6;
158  }
159 
161  static unsigned int GetLength()
162  {
163  return 6;
164  }
165 
166  static void AssignToArray( const Self & v, MeasurementVectorType & mv )
167  {
168  mv = v;
169  }
170 
171  template<class TArray>
172  static void AssignToArray( const Self & v, TArray & mv )
173  {
174  for( unsigned int i=0; i<6; i++ )
175  {
176  mv[i] = v[i];
177  }
178  }
179 
183  static const Self ITKCommon_EXPORT Zero;
184  static const Self ITKCommon_EXPORT One;
185 };
186 } // end namespace itk
187 
188 #endif // __itkNumericTraitsTensorPixel_h
189