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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkMultipleValuedNonLinearOptimizer_h
#define itkMultipleValuedNonLinearOptimizer_h
#include "itkNonLinearOptimizer.h"
#include "itkMultipleValuedCostFunction.h"
#include "ITKOptimizersExport.h"
namespace itk
{
/** \class MultipleValuedNonLinearOptimizer
* \brief This class is a base for the Optimization methods that
* optimize a multiple valued function.
*
* \ingroup Numerics Optimizers
* \ingroup ITKOptimizers
*/
class ITKOptimizers_EXPORT MultipleValuedNonLinearOptimizer : public NonLinearOptimizer
{
public:
ITK_DISALLOW_COPY_AND_MOVE(MultipleValuedNonLinearOptimizer);
/** Standard class type aliases. */
using Self = MultipleValuedNonLinearOptimizer;
using Superclass = NonLinearOptimizer;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Type of the Cost Function */
using CostFunctionType = MultipleValuedCostFunction;
using CostFunctionPointer = CostFunctionType::Pointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(MultipleValuedNonLinearOptimizer);
/** Parameters type.
* It defines a position in the optimization search space. */
using ParametersType = Superclass::ParametersType;
/** Measure type.
* It defines a type used to return the cost function value.
* Here an Array is used for Multivalued functions */
using MeasureType = Array<double>;
/** Derivative type.
* It defines a type used to return the cost function derivative.
* Here a bi-dimensional Array is used for Multivalued functions */
using DerivativeType = Array2D<double>;
/** Set the cost function. */
virtual void
SetCostFunction(CostFunctionType * costFunction);
protected:
MultipleValuedNonLinearOptimizer();
~MultipleValuedNonLinearOptimizer() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
CostFunctionPointer m_CostFunction{};
};
} // end namespace itk
#endif
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