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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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.
*
*=========================================================================*/
#include "itkOptimizerParameterScalesEstimator.h"
/**
* \class OptimizerParameterScalesEstimatorTest for test.
* Create a simple scales estimator class to use for testing here.
*/
class OptimizerParameterScalesEstimatorTest:
public itk::OptimizerParameterScalesEstimator
{
public:
/** Standard class typedefs. */
typedef OptimizerParameterScalesEstimatorTest Self;
typedef itk::OptimizerParameterScalesEstimator Superclass;
typedef itk::SmartPointer< Self > Pointer;
typedef itk::SmartPointer< const Self > ConstPointer;
itkNewMacro(Self);
itkTypeMacro(OptimizerParameterScalesEstimatorTest, OptimizerParameterScalesEstimator);
/** Estimate parameter scales */
virtual void EstimateScales(ScalesType &scales) ITK_OVERRIDE
{
scales.SetSize(2);
scales.Fill(1.0);
}
virtual double EstimateStepScale(const ParametersType &step) ITK_OVERRIDE
{
double norm = step.two_norm();
return norm;
}
/** Estimate the scales of local steps. */
virtual void EstimateLocalStepScales(const ParametersType &step,
ScalesType &localStepScales) ITK_OVERRIDE
{
localStepScales.SetSize(step.size());
}
/** Estimate the trusted scale for steps. */
virtual double EstimateMaximumStepSize() ITK_OVERRIDE
{
return 1.0;
}
protected:
OptimizerParameterScalesEstimatorTest(){};
~OptimizerParameterScalesEstimatorTest() ITK_OVERRIDE {};
private:
ITK_DISALLOW_COPY_AND_ASSIGN(OptimizerParameterScalesEstimatorTest);
};
/**
* The test program for OptimizerParameterScalesEstimator.
*/
int itkOptimizerParameterScalesEstimatorTest(int , char* [])
{
OptimizerParameterScalesEstimatorTest::Pointer scalesEstimator =
OptimizerParameterScalesEstimatorTest::New();
OptimizerParameterScalesEstimatorTest::ScalesType scales;
scalesEstimator->Print( std::cout );
scalesEstimator->EstimateScales(scales);
std::cout << "Scales estimated: " << scales << std::endl;
std::cout << "Test passed" << std::endl;
return EXIT_SUCCESS;
}
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