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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 <iostream>
#include "itkFourierSeriesPath.h"
#include "itkTestingMacros.h"
int itkFourierSeriesPathTest( int, char*[] )
{
const unsigned int Dimension = 2;
typedef itk::FourierSeriesPath< Dimension > PathType;
typedef PathType::InputType InputType;
typedef PathType::OffsetType OffsetType;
typedef PathType::VectorType VectorType;
bool passed = true;
InputType input;
OffsetType offset;
VectorType cosV, sinV, v;
PathType::Pointer path = PathType::New();
EXERCISE_BASIC_OBJECT_METHODS( path, FourierSeriesPath, ParametricPath );
// Average value is (5,5)
cosV.Fill( 5 );
sinV.Fill( 0 );
path->AddHarmonic( cosV, sinV );
cosV.Fill( 2.7 );
sinV.Fill( 3.2 );
path->AddHarmonic( cosV, sinV );
std::cout << "Evaluating at 0, 0.5, and 1.0: " << path->Evaluate( 0 ) << ", "
<< path->Evaluate( 0.5 ) << ", " << path->Evaluate( 1.0 ) << std::endl;
// Floating point can be imprecise, so convert to rounded int for comparison
if( int( 0.5 + 1000 * ( path->Evaluate( 1.0 ) )[0] ) !=
int( 0.5 + 1000 * ( path->Evaluate( 0.0 ) )[0] ) ||
int( 0.5 + 1000 * ( path->Evaluate( 1.0 ) )[1] ) !=
int( 0.5 + 1000 * ( path->Evaluate( 0.0 ) )[1] ) )
{
std::cout << "Evaluate() Failed" << std::endl;
passed = false;
}
std::cout << "Evaluating to an index at 0, 0.5, and 1.0: "
<< path->EvaluateToIndex(0) << ", " << path->EvaluateToIndex( 0.5 )
<< ", " << path->EvaluateToIndex( 1.0 ) << std::endl;
if( path->EvaluateToIndex( 1.0 ) != path->EvaluateToIndex( 0.0 ) )
{
std::cout << "FourierSeriesPathTest: EvaluateToIndex() Failed" << std::endl;
passed = false;
}
std::cout << "Evaluating the derivative at 0, 0.5, and 1.0: "
<< path->EvaluateDerivative( 0 ) << ", " << path->EvaluateDerivative( 0.5 )
<< ", " << path->EvaluateDerivative( 1.0 ) << std::endl;
// Floating point can be imprecise, so convert to rounded int for comparison
if( int( 0.5 + 1000 * ( path->EvaluateDerivative( 1.0 ) )[0] ) !=
int( 0.5 + 1000 * ( path->EvaluateDerivative( 0.0 ) )[0] ) ||
int( 0.5 + 1000 * ( path->EvaluateDerivative( 1.0 ) )[1] ) !=
int( 0.5 + 1000 * ( path->EvaluateDerivative( 0.0 ) )[1] ) )
{
std::cout << "EvaluateDerivative() Failed" << std::endl;
passed = false;
}
input = 0;
offset = path->IncrementInput( input );
std::cout << "Incrementing the input from 0 to " << input << ": " << offset
<< std::endl;
input = 0.5;
offset = path->IncrementInput( input );
std::cout << "Incrementing the input from 0.5 to " << input << ": " << offset
<< std::endl;
if( offset[0] != -1 || offset[1] != -1 )
{
std::cout << "IncrementInput() Failed" << std::endl;
passed = false;
}
if( passed )
{
std::cout << "Test passed" << std::endl;
return EXIT_SUCCESS;
}
else
{
std::cout << "Test failed" << std::endl;
return EXIT_FAILURE;
}
}
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