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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkOptimizersHierarchyTest.cxx,v $
Language: C++
Date: $Date: 2005-02-08 03:18:41 $
Version: $Revision: 1.8 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkOptimizer.h"
#include "itkNonLinearOptimizer.h"
#include "itkSingleValuedCostFunction.h"
#include "itkSingleValuedNonLinearOptimizer.h"
#include "itkSingleValuedNonLinearVnlOptimizer.h"
#include "itkAmoebaOptimizer.h"
#include "itkConjugateGradientOptimizer.h"
#include "itkCumulativeGaussianOptimizer.h"
#include "itkCumulativeGaussianCostFunction.h"
#include "itkLBFGSOptimizer.h"
#include "itkMultipleValuedCostFunction.h"
#include "itkMultipleValuedNonLinearOptimizer.h"
#include "itkVersorTransformOptimizer.h"
#include "itkQuaternionRigidTransformGradientDescentOptimizer.h"
#include "itkOnePlusOneEvolutionaryOptimizer.h"
#include "vnl/vnl_math.h"
#include <iostream>
/**
*
* This file performs only simple C++ tests of
* the base classes in the Optimizers hierarchy.
*
* Nothing numerical is computed in these tests,
* only code conformance.
*/
int itkOptimizersHierarchyTest(int, char* [] )
{
bool pass = true;
typedef itk::Optimizer OptimizerType;
OptimizerType::Pointer genericOptimizer = OptimizerType::New();
unsigned int spaceDimension = 10;
OptimizerType::ParametersType initialPosition(spaceDimension);
OptimizerType::ParametersType currentPosition(spaceDimension);
OptimizerType::ScalesType parameterScale(spaceDimension);
parameterScale.Fill( 1.5 );
initialPosition.Fill( 2.0 );
genericOptimizer->SetInitialPosition( initialPosition );
genericOptimizer->SetScales( parameterScale );
OptimizerType::ScalesType parameterScaleGot =
genericOptimizer->GetScales();
const double tolerance = 1e-10;
for(unsigned int i=0; i<spaceDimension; i++)
{
if( vnl_math_abs( parameterScaleGot[i] - parameterScale[i] ) > tolerance )
{
std::cout << "Test failed." << std::endl;
std::cout << "Scale parameters are damaged after being set." << std::endl;
std::cout << "Scale was set to: " << parameterScale << std::endl;
std::cout << "Scale was got as: " << parameterScaleGot << std::endl;
return EXIT_FAILURE;
}
}
OptimizerType::ParametersType initialPositionGot =
genericOptimizer->GetInitialPosition();
for(unsigned int i=0; i<spaceDimension; i++)
{
if( vnl_math_abs( initialPositionGot[i] - initialPosition[i] ) > tolerance )
{
std::cout << "Test failed." << std::endl;
std::cout << "InitialPosition parameters are damaged after being set." << std::endl;
std::cout << "InitialPosition was set to: " << initialPosition << std::endl;
std::cout << "InitialPosition was got as: " << initialPositionGot << std::endl;
return EXIT_FAILURE;
}
}
typedef itk::NonLinearOptimizer NonLinearOptimizerType;
NonLinearOptimizerType::Pointer nonLinearOptimizer =
NonLinearOptimizerType::New();
typedef itk::SingleValuedNonLinearOptimizer
SingleValuedNonLinearOptimizerType;
SingleValuedNonLinearOptimizerType::Pointer singleValuedOptimizer =
SingleValuedNonLinearOptimizerType::New();
// This cannot be instantiated due to abstract function SetCostFunction()
typedef itk::SingleValuedNonLinearVnlOptimizer
SingleValuedNonLinearVnlOptimizerType;
// This is only type checking. This class is not expected to be instantiated
typedef itk::CostFunction CostFunctionType;
// This is only type checking. This class is not expected to be instantiated
typedef itk::SingleValuedCostFunction SingleValuedCostFunctionType;
typedef itk::AmoebaOptimizer AmoebaOptimizerType;
AmoebaOptimizerType::Pointer amoeba = AmoebaOptimizerType::New();
typedef itk::ConjugateGradientOptimizer ConjugateGradientOptimizerType;
ConjugateGradientOptimizerType::Pointer conjugete
= ConjugateGradientOptimizerType::New();
typedef itk::LBFGSOptimizer LBFGSOptimizerType;
LBFGSOptimizerType::Pointer lbfgs = LBFGSOptimizerType::New();
// Note that a "Versor" is a Unit Quaternion
typedef itk::VersorTransformOptimizer VersorOptimizerType;
VersorOptimizerType::Pointer versoropt = VersorOptimizerType::New();
typedef itk::QuaternionRigidTransformGradientDescentOptimizer QuaternionOptimizerType;
QuaternionOptimizerType::Pointer quaternionopt = QuaternionOptimizerType::New();
typedef itk::OnePlusOneEvolutionaryOptimizer OnePlusOneEvolutionaryOptimizerType;
OnePlusOneEvolutionaryOptimizerType::Pointer onePlusOne =
OnePlusOneEvolutionaryOptimizerType::New();
typedef itk::CumulativeGaussianOptimizer CumulativeGaussianOptimizerType;
CumulativeGaussianOptimizerType::Pointer cumgaussopt = CumulativeGaussianOptimizerType::New();
typedef itk::CumulativeGaussianCostFunction CumulativeGaussianCostFunctionType;
CumulativeGaussianCostFunctionType::Pointer cumgausstype = CumulativeGaussianCostFunctionType::New();
if ( !pass )
{
std::cout << "Test failed." << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test passed." << std::endl;
return EXIT_SUCCESS;
}
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