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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkSparseFrequencyContainer2Test.cxx,v $
Language: C++
Date: $Date: 2009-05-02 05:44:03 $
Version: $Revision: 1.1 $
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 "itkSparseFrequencyContainer2.h"
#include "vnl/vnl_math.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 >::Zero )
{
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
bool pass = true;
if( !pass )
{
std::cout << "Test failed." << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test passed." << std::endl;
return EXIT_SUCCESS;
}
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