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itkCosImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkCosImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007-09-27 11:36:40 $
00007   Version:   $Revision: 1.22 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkCosImageFilter_h
00018 #define __itkCosImageFilter_h
00019 
00020 #include "itkUnaryFunctorImageFilter.h"
00021 #include "vnl/vnl_math.h"
00022 
00023 namespace itk
00024 {
00025   
00044 namespace Functor {  
00045   
00046 template< class TInput, class TOutput>
00047 class Cos
00048 {
00049 public:
00050   Cos() {};
00051   ~Cos() {};
00052   bool operator!=( const Cos & ) const
00053   {
00054     return false;
00055   }
00056   bool operator==( const Cos & other ) const
00057   {
00058     return !(*this != other);
00059   }
00060   inline TOutput operator()( const TInput & A )
00061   {
00062     return static_cast<TOutput>(cos( static_cast<double>(A)) );
00063   }
00064 }; 
00065 
00066 }
00067 template <class TInputImage, class TOutputImage>
00068 class ITK_EXPORT CosImageFilter :
00069     public
00070 UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00071                         Functor::Cos< 
00072   typename TInputImage::PixelType, 
00073   typename TOutputImage::PixelType>   >
00074 {
00075 public:
00077   typedef CosImageFilter  Self;
00078   typedef UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00079                                   Functor::Cos< typename TInputImage::PixelType, 
00080                                                 typename TOutputImage::PixelType> >  Superclass;
00081   typedef SmartPointer<Self>   Pointer;
00082   typedef SmartPointer<const Self>  ConstPointer;
00083 
00085   itkNewMacro(Self);
00086 
00088   itkTypeMacro(CosImageFilter, 
00089                UnaryFunctorImageFilter);
00090 
00091 #ifdef ITK_USE_CONCEPT_CHECKING
00092 
00093   itkConceptMacro(InputConvertibleToDoubleCheck,
00094     (Concept::Convertible<typename TInputImage::PixelType, double>));
00095   itkConceptMacro(DoubleConvertibleToOutputCheck,
00096     (Concept::Convertible<double, typename TOutputImage::PixelType>));
00097 
00099 #endif
00100 
00101 protected:
00102   CosImageFilter() {}
00103   virtual ~CosImageFilter() {}
00104 
00105 private:
00106   CosImageFilter(const Self&); //purposely not implemented
00107   void operator=(const Self&); //purposely not implemented
00108 
00109 };
00110 
00111 } // end namespace itk
00112 
00113 
00114 #endif
00115 

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