ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkNumericTraitsTensorPixel.h
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18 #ifndef __itkNumericTraitsTensorPixel_h
19 #define __itkNumericTraitsTensorPixel_h
20 
21 #include "itkNumericTraits.h"
23 
24 namespace itk
25 {
43 template< typename T, unsigned int D >
45 {
46 private:
47 
53 public:
54 
56  typedef T ValueType;
57 
59 
62 
65 
69 
72 
75 
78 
81 
87  static const Self max(const Self &)
88  {
89  return Self( NumericTraits< T >::max() );
90  }
91 
92  static const Self min(const Self &)
93  {
94  return Self( NumericTraits< T >::min() );
95  }
96 
97  static const Self max()
98  {
99  return Self( NumericTraits< T >::max() );
100  }
101 
102  static const Self min()
103  {
104  return Self( NumericTraits< T >::min() );
105  }
106 
107  static const Self NonpositiveMin()
108  {
110  }
111 
112  static const Self ZeroValue()
113  {
115  }
116 
117  static const Self OneValue()
118  {
120  }
121 
122  static const Self NonpositiveMin(const Self &)
123  {
124  return NonpositiveMin();
125  }
126 
127  static const Self ZeroValue(const Self &)
128  {
129  return ZeroValue();
130  }
131 
132  static const Self OneValue(const Self &)
133  {
134  return OneValue();
135  }
136 
141  static void SetLength(SymmetricSecondRankTensor< T, D > & m, const unsigned int s)
142  {
143  if ( s != D *( D + 1 ) / 2 )
144  {
145  itkGenericExceptionMacro(<< "Cannot set the size of a SymmetricSecondRankTensor "
146  "of dimension " << D << " ( = size of "
147  << D *( D + 1 ) / 2 << ") to " << s);
148  }
150  }
152 
154  static unsigned int GetLength(const SymmetricSecondRankTensor< T, D > &)
155  {
156  return GetLength();
157  }
158 
160  static unsigned int GetLength()
161  {
162  return D *( D + 1 ) / 2;
163  }
164 
165  static void AssignToArray( const Self & v, MeasurementVectorType & mv )
166  {
167  mv = v;
168  }
169 
170  template<class TArray>
171  static void AssignToArray( const Self & v, TArray & mv )
172  {
173  for( unsigned int i=0; i<GetLength(); i++ )
174  {
175  mv[i] = v[i];
176  }
177  }
178 
182  static const Self ITKCommon_EXPORT Zero;
183  static const Self ITKCommon_EXPORT One;
184 };
185 } // end namespace itk
186 
187 #endif // __itkNumericTraitsTensorPixel_h
188