ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkLog10ImageFilter.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
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 __itkLog10ImageFilter_h
19 #define __itkLog10ImageFilter_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 Log10
35 {
36 public:
37  Log10() {}
38  ~Log10() {}
39  bool operator!=(const Log10 &) const
40  {
41  return false;
42  }
44 
45  bool operator==(const Log10 & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return static_cast< TOutput >( vcl_log10( static_cast< double >( A ) ) );
53  }
54 };
55 }
65 template< class TInputImage, class TOutputImage >
66 class ITK_EXPORT Log10ImageFilter:
67  public
68  UnaryFunctorImageFilter< TInputImage, TOutputImage,
69  Functor::Log10<
70  typename TInputImage::PixelType,
71  typename TOutputImage::PixelType > >
72 {
73 public:
77  TInputImage, TOutputImage,
78  Functor::Log10< typename TInputImage::PixelType,
79  typename TOutputImage::PixelType > > Superclass;
80 
83 
85  itkNewMacro(Self);
86 
88  itkTypeMacro(Log10ImageFilter,
90 
91 #ifdef ITK_USE_CONCEPT_CHECKING
92 
93  itkConceptMacro( InputConvertibleToDoubleCheck,
95  itkConceptMacro( DoubleConvertibleToOutputCheck,
97 
99 #endif
100 
101 protected:
103  virtual ~Log10ImageFilter() {}
104 
105 private:
106  Log10ImageFilter(const Self &); //purposely not implemented
107  void operator=(const Self &); //purposely not implemented
108 };
109 } // end namespace itk
110 
111 #endif
112