freItkSingleValuedCostFunctionWrapper.cxx

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/*=========================================================================

  Program:   F.R.E.E. - flexible registration evaluation engine
  Version:   v.1.0.0
  Date:      $Date: 2006/09/01 12:00:00 $
  Module:    $RCSfile: freItkSingleValuedCostFunctionWrapper.cxx,v $
  Language:  C++



  Copyright (c) 2007 Ralf o Floca (Department of Medical Informatics,
  Institute for Medical Biometry and Informatics, University of Heidelberg,
  Germany). All rights reserved.
  See FREECopyright.txt or http://www.mi.med.uni-hd.de/free/copyright.htm
  for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#include "freItkSingleValuedCostFunctionWrapper.h"

namespace FREE
{
  
        ItkSingleValuedCostFunctionWrapper::ItkSingleValuedCostFunctionWrapper()
        {
                m_WrappedCostFunction = 0;
        };

        ItkSingleValuedCostFunctionWrapper::~ItkSingleValuedCostFunctionWrapper()
        {
        };

  unsigned int
  ItkSingleValuedCostFunctionWrapper::
	GetNumberOfParameters(void) const
        {
                if (m_WrappedCostFunction.IsNull()) throwExceptionMacro("Wrapped metric is undefined (NULL). Cannot get number of parameters.");
                return m_WrappedCostFunction->GetNumberOfParameters();
        };

ItkSingleValuedCostFunctionWrapper::MeasureType
ItkSingleValuedCostFunctionWrapper::
GetValue( const ParametersType & parameters ) const
{
        if (m_WrappedCostFunction.IsNull()) throwExceptionMacro("Wrapped metric is undefined (NULL). Cannot get metric value.");
        return m_WrappedCostFunction->GetValue(parameters);
};

void
ItkSingleValuedCostFunctionWrapper::
GetDerivative( const ParametersType & parameters, 
                 DerivativeType & derivative ) const
{
        if (m_WrappedCostFunction.IsNull()) throwExceptionMacro("Wrapped metric is undefined (NULL). Cannot get derivative.");
        m_WrappedCostFunction->GetDerivative(parameters, derivative);
}

void
ItkSingleValuedCostFunctionWrapper::
GetValueAndDerivative(const ParametersType & parameters, 
                        MeasureType & value, DerivativeType  & derivative) const
{
        if (m_WrappedCostFunction.IsNull()) throwExceptionMacro("Wrapped metric is undefined (NULL). Cannot get metric value and derevative.");
        m_WrappedCostFunction->GetValueAndDerivative(parameters, value, derivative);
}

} // end namespace FREE

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