ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkCosImageFilter.h
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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
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9  * http://www.apache.org/licenses/LICENSE-2.0.txt
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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
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16  *
17  *=========================================================================*/
18 #ifndef __itkCosImageFilter_h
19 #define __itkCosImageFilter_h
20 
22 #include "vnl/vnl_math.h"
23 
24 namespace itk
25 {
26 namespace Functor
27 {
33 template< class TInput, class TOutput >
34 class Cos
35 {
36 public:
37  Cos() {}
38  ~Cos() {}
39  bool operator!=(const Cos &) const
40  {
41  return false;
42  }
44 
45  bool operator==(const Cos & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return static_cast< TOutput >( vcl_cos( static_cast< double >( A ) ) );
53  }
54 };
55 }
77 template< class TInputImage, class TOutputImage >
78 class ITK_EXPORT CosImageFilter:
79  public
80  UnaryFunctorImageFilter< TInputImage, TOutputImage,
81  Functor::Cos<
82  typename TInputImage::PixelType,
83  typename TOutputImage::PixelType > >
84 {
85 public:
89  TInputImage, TOutputImage,
90  Functor::Cos< typename TInputImage::PixelType,
91  typename TOutputImage::PixelType > > Superclass;
92 
95 
97  itkNewMacro(Self);
98 
100  itkTypeMacro(CosImageFilter,
102 
103 #ifdef ITK_USE_CONCEPT_CHECKING
104 
105  itkConceptMacro( InputConvertibleToDoubleCheck,
107  itkConceptMacro( DoubleConvertibleToOutputCheck,
109 
111 #endif
112 protected:
114  virtual ~CosImageFilter() {}
115 private:
116  CosImageFilter(const Self &); //purposely not implemented
117  void operator=(const Self &); //purposely not implemented
118 };
119 } // end namespace itk
121 
122 #endif
123