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itkTanImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkTanImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/03/19 04:36:57 $
00007   Version:   $Revision: 1.20 $
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 __itkTanImageFilter_h
00018 #define __itkTanImageFilter_h
00019 
00020 #include "itkUnaryFunctorImageFilter.h"
00021 #include "vnl/vnl_math.h"
00022 
00023 namespace itk
00024 {
00025   
00031 namespace Function {  
00032   
00033 template< class TInput, class TOutput>
00034 class Tan
00035 {
00036 public:
00037   Tan() {}
00038   ~Tan() {}
00039   bool operator!=( const Tan & ) const
00040   {
00041     return false;
00042   }
00043   bool operator==( const Tan & other ) const
00044   {
00045     return !(*this != other);
00046   }
00047   inline TOutput operator()( const TInput & A )
00048   { return (TOutput)vcl_tan((double)A); }
00049 }; 
00050 }
00051 template <class TInputImage, class TOutputImage>
00052 class ITK_EXPORT TanImageFilter :
00053     public
00054 UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00055                         Function::Tan< typename TInputImage::PixelType, 
00056                                        typename TOutputImage::PixelType>   >
00057 {
00058 public:
00060   typedef TanImageFilter  Self;
00061   typedef UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00062                                   Function::Tan< typename TInputImage::PixelType, 
00063                                                  typename TOutputImage::PixelType> >  Superclass;
00064   typedef SmartPointer<Self>   Pointer;
00065   typedef SmartPointer<const Self>  ConstPointer;
00066 
00068   itkNewMacro(Self);
00069 
00070 #ifdef ITK_USE_CONCEPT_CHECKING
00071 
00072   itkConceptMacro(InputConvertibleToDoubleCheck,
00073     (Concept::Convertible<typename TInputImage::PixelType, double>));
00074   itkConceptMacro(DoubleConvertibleToOutputCheck,
00075     (Concept::Convertible<double, typename TOutputImage::PixelType>));
00076 
00078 #endif
00079 
00080 protected:
00081   TanImageFilter() {}
00082   virtual ~TanImageFilter() {}
00083 
00084 private:
00085   TanImageFilter(const Self&); //purposely not implemented
00086   void operator=(const Self&); //purposely not implemented
00087 
00088 
00089 };
00090 
00091 } // end namespace itk
00092 
00093 
00094 #endif
00095 

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