00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkKernelFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2009-02-05 19:04:58 $ 00007 Version: $Revision: 1.7 $ 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 __itkKernelFunction_h 00018 #define __itkKernelFunction_h 00019 00020 #include "itkFunctionBase.h" 00021 #include "vnl/vnl_math.h" 00022 00023 namespace itk 00024 { 00025 00039 class ITKCommon_EXPORT KernelFunction : public FunctionBase<double,double> 00040 { 00041 public: 00043 typedef KernelFunction Self; 00044 typedef FunctionBase<double,double> Superclass; 00045 typedef SmartPointer<Self> Pointer; 00046 typedef SmartPointer<const Self> ConstPointer; 00047 00049 itkTypeMacro(KernelFunction, FunctionBase); 00050 00052 virtual double Evaluate (const double& u) const = 0; 00053 00054 protected: 00055 KernelFunction(); 00056 ~KernelFunction(); 00057 void PrintSelf(std::ostream& os, Indent indent) const 00058 { Superclass::PrintSelf( os, indent ); } 00059 00060 }; 00061 00062 00063 } // end namespace itk 00064 00065 #endif 00066