ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkAtan2ImageFilter.h
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1 /*=========================================================================
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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
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14  * See the License for the specific language governing permissions and
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16  *
17  *=========================================================================*/
18 #ifndef __itkAtan2ImageFilter_h
19 #define __itkAtan2ImageFilter_h
20 
22 #include "vnl/vnl_math.h"
23 
24 namespace itk
25 {
26 namespace Functor
27 {
33 template< class TInput1, class TInput2, class TOutput >
34 class Atan2
35 {
36 public:
37  Atan2() {}
38  ~Atan2() {}
39  bool operator!=(const Atan2 &) const
40  {
41  return false;
42  }
44 
45  bool operator==(const Atan2 & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput1 & A, const TInput2 & B) const
51  {
52  return static_cast< TOutput >(
53  vcl_atan2(
54  static_cast< double >( A ),
55  static_cast< double >( B ) )
56  );
57  }
58 };
59 }
84 template< class TInputImage1, class TInputImage2, class TOutputImage >
85 class ITK_EXPORT Atan2ImageFilter:
86  public
87  BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
88  Functor::Atan2<
89  typename TInputImage1::PixelType,
90  typename TInputImage2::PixelType,
91  typename TOutputImage::PixelType > >
92 {
93 public:
96  typedef BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
98  typename TInputImage1::PixelType,
99  typename TInputImage2::PixelType,
100  typename TOutputImage::PixelType >
102 
105 
107  itkNewMacro(Self);
108 
110  itkTypeMacro(Atan2ImageFilter,
112 
113 #ifdef ITK_USE_CONCEPT_CHECKING
114 
115  itkConceptMacro( Input1ConvertibleToDoubleCheck,
117  itkConceptMacro( Input2ConvertibleToDoubleCheck,
119  itkConceptMacro( DoubleConvertibleToOutputCheck,
121 
123 #endif
124 
125 protected:
127  virtual ~Atan2ImageFilter() {}
128 
129 private:
130  Atan2ImageFilter(const Self &); //purposely not implemented
131  void operator=(const Self &); //purposely not implemented
132 };
133 } // end namespace itk
134 
135 #endif
136