ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkErrorFunctionBase.h
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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 __itkErrorFunctionBase_h
00019 #define __itkErrorFunctionBase_h
00020 
00021 #include "itkFunctionBase.h"
00022 #include "itkArray.h"
00023 
00024 namespace itk
00025 {
00026 namespace Statistics
00027 {
00034 template<class TMeasurementVector, class TTargetVector>
00035 class ErrorFunctionBase : public FunctionBase<TMeasurementVector, TTargetVector>
00036 {
00037 public:
00039   typedef ErrorFunctionBase                               Self;
00040   typedef FunctionBase<TMeasurementVector, TTargetVector> Superclass;
00041   typedef SmartPointer<Self>                              Pointer;
00042   typedef SmartPointer<const Self>                        ConstPointer;
00043 
00045   itkTypeMacro(ErrorFunctionBase, FunctionBase);
00046 
00048   typedef TMeasurementVector ErrorVectorType;
00049 
00051   typedef TTargetVector OutputType;
00052 
00053   typedef Array<double> InternalVectorType;
00054 
00055   virtual OutputType Evaluate(const ErrorVectorType&) const = 0;
00056 
00057   virtual InternalVectorType EvaluateDerivative(const ErrorVectorType&) const = 0;
00058 
00059 protected:
00060 
00061   ErrorFunctionBase(){};
00062   ~ErrorFunctionBase(){};
00063 
00064 private:
00065 
00066   ErrorFunctionBase(const Self&); //purposely not implemented
00067   void operator=(const Self&); //purposely not implemented
00068 };
00069 
00070 } // end namespace itk
00071 } // end namespace Statistics
00072 #endif
00073