ITK
4.1.0
Insight Segmentation and Registration Toolkit
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00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkAtanImageFilter_h 00019 #define __itkAtanImageFilter_h 00020 00021 #include "itkUnaryFunctorImageFilter.h" 00022 #include "vnl/vnl_math.h" 00023 00024 namespace itk 00025 { 00026 namespace Functor 00027 { 00033 template< class TInput, class TOutput > 00034 class Atan 00035 { 00036 public: 00037 Atan() {} 00038 ~Atan() {} 00039 bool operator!=(const Atan &) const 00040 { 00041 return false; 00042 } 00044 00045 bool operator==(const Atan & other) const 00046 { 00047 return !( *this != other ); 00048 } 00049 00050 inline TOutput operator()(const TInput & A) const 00051 { 00052 return static_cast< TOutput >( vcl_atan( static_cast< double >( A ) ) ); 00053 } 00054 }; 00055 } 00075 template< class TInputImage, class TOutputImage > 00076 class ITK_EXPORT AtanImageFilter: 00077 public 00078 UnaryFunctorImageFilter< TInputImage, TOutputImage, 00079 Functor::Atan< 00080 typename TInputImage::PixelType, 00081 typename TOutputImage::PixelType > > 00082 { 00083 public: 00085 typedef AtanImageFilter Self; 00086 typedef UnaryFunctorImageFilter< TInputImage, TOutputImage, 00087 Functor::Atan< 00088 typename TInputImage::PixelType, 00089 typename TOutputImage::PixelType > 00090 > Superclass; 00091 00092 typedef SmartPointer< Self > Pointer; 00093 typedef SmartPointer< const Self > ConstPointer; 00094 00096 itkNewMacro(Self); 00097 00099 itkTypeMacro(AtanImageFilter, 00100 UnaryFunctorImageFilter); 00101 00102 #ifdef ITK_USE_CONCEPT_CHECKING 00103 00104 itkConceptMacro( InputConvertibleToDoubleCheck, 00105 ( Concept::Convertible< typename TInputImage::PixelType, double > ) ); 00106 itkConceptMacro( DoubleConvertibleToOutputCheck, 00107 ( Concept::Convertible< double, typename TOutputImage::PixelType > ) ); 00108 00110 #endif 00111 protected: 00112 AtanImageFilter() {} 00113 virtual ~AtanImageFilter() {} 00114 private: 00115 AtanImageFilter(const Self &); //purposely not implemented 00116 void operator=(const Self &); //purposely not implemented 00117 }; 00118 } // end namespace itk 00120 00121 #endif 00122