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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 "itkSparseFrequencyContainer2.h"
int itkSparseFrequencyContainer2Test(int, char* [] )
{
std::cout << "SparseFrequencyContainer2 Test \n \n";
typedef itk::Statistics::SparseFrequencyContainer2
SparseFrequencyContainer2Type;
SparseFrequencyContainer2Type::Pointer container =
SparseFrequencyContainer2Type::New();
typedef SparseFrequencyContainer2Type::AbsoluteFrequencyType AbsoluteFrequencyType;
const unsigned int numberOfBins = 1250;
container->Initialize( numberOfBins );
// Test the SetFrequency() / GetFrequency() methods
{
std::cout << "Testing Set/Get Frequency methods...";
for( unsigned int bin=0; bin < numberOfBins; bin++ )
{
// Compute any value as frequency just to test the SetFrequency() method
const AbsoluteFrequencyType frequency = static_cast<AbsoluteFrequencyType>( bin * bin );
container->SetFrequency( bin, frequency );
}
for( unsigned int bin=0; bin < numberOfBins; bin++ )
{
// Test if the values can be read back
const AbsoluteFrequencyType frequency = static_cast<AbsoluteFrequencyType>( bin * bin );
const AbsoluteFrequencyType stored = container->GetFrequency( bin );
if( stored != frequency )
{
std::cout << "Failed !" << std::endl;
std::cout << "Stored Frequency in bin " << bin << " doesn't match value" << std::endl;
std::cout << "Value is = " << stored << " value should be " << frequency << std::endl;
return EXIT_FAILURE;
}
}
std::cout << " PASSED !" << std::endl;
} // end of SetFrequency() / GetFrequency() test
//Set all the bins to zero and check the values
container->SetToZero();
for( unsigned int bin=0; bin < numberOfBins; bin++ )
{
if( container->GetFrequency( bin ) != itk::NumericTraits< AbsoluteFrequencyType >::ZeroValue() )
{
std::cout << "Failed !" << std::endl;
std::cout << "Stored Frequency in bin is not zero after SetToZero() method invocation"
<< std::endl;
return EXIT_FAILURE;
}
}
// Test the IncreaseFrequency() method
{
std::cout << "Testing IncreaseFrequency method...";
// Try not to depend on previous tests....So, we initialize the histogram again.
for( unsigned int bin=0; bin < numberOfBins; bin++ )
{
// Compute any value as frequency just to test the SetFrequency() method
const AbsoluteFrequencyType frequency = static_cast<AbsoluteFrequencyType>( bin * bin );
container->SetFrequency( bin, frequency );
}
// Now increment by a number (we use "bin", but any other will do it...)
for( unsigned int bin=0; bin < numberOfBins; bin++ )
{
// Compute any value as frequency just to test the IncreaseFrequency() method
const AbsoluteFrequencyType frequency = static_cast<AbsoluteFrequencyType>( bin );
container->IncreaseFrequency( bin, frequency );
}
// Test if the values can be read back
for( unsigned int bin=0; bin < numberOfBins; bin++ )
{
const AbsoluteFrequencyType frequency = static_cast<AbsoluteFrequencyType>( bin * bin + bin );
const AbsoluteFrequencyType stored = container->GetFrequency( bin );
if( stored != frequency )
{
std::cout << "Failed !" << std::endl;
std::cout << "Stored Frequency in bin " << bin << " doesn't match value" << std::endl;
std::cout << "Value is = " << stored << " value should be " << frequency << std::endl;
return EXIT_FAILURE;
}
}
std::cout << " PASSED !" << std::endl;
} // end of SetFrequency() / GetFrequency() test
std::cout << "Test passed." << std::endl;
return EXIT_SUCCESS;
}
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