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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: 2002/01/15 19:36:16 $
00007   Version:   $Revision: 1.14 $
00008 
00009   Copyright (c) 2002 Insight 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     inline TOutput operator()( const TInput & A )
00040       { return (TOutput)tan((double)A); }
00041   }; 
00042 }
00043 template <class TInputImage, class TOutputImage>
00044 class ITK_EXPORT TanImageFilter :
00045     public
00046     UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00047     Function::Tan< typename TInputImage::PixelType, 
00048                    typename TOutputImage::PixelType>   >
00049 {
00050 public:
00052   typedef TanImageFilter  Self;
00053   typedef UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00054     Function::Tan< typename TInputImage::PixelType, 
00055                    typename TOutputImage::PixelType> >  Superclass;
00056   typedef SmartPointer<Self>   Pointer;
00057   typedef SmartPointer<const Self>  ConstPointer;
00058 
00060   itkNewMacro(Self);
00061   
00062 protected:
00063   TanImageFilter() {}
00064   virtual ~TanImageFilter() {}
00065 
00066 private:
00067   TanImageFilter(const Self&); //purposely not implemented
00068   void operator=(const Self&); //purposely not implemented
00069 
00070 
00071 };
00072 
00073 } // end namespace itk
00074 
00075 
00076 #endif

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