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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkArray2DTest.cxx,v $
Language: C++
Date: $Date: 2003-09-10 14:30:08 $
Version: $Revision: 1.6 $
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 <iostream>
#include "itkArray2D.h"
int itkArray2DTest(int, char* [] )
{
typedef itk::Array2D< double > ArrayType;
typedef vnl_matrix<double> VnlMatrixType;
const unsigned int rows = 3;
const unsigned int cols = 4;
ArrayType a( rows, cols);
VnlMatrixType vm( rows, cols );
for( unsigned int r=0; r<rows; r++)
{
for( unsigned int c=0; c<cols; c++)
{
const double value = static_cast<double>( r + c );
a(r,c) = value;
vm(r,c) = value;
}
}
const double tolerance = 1e-6;
// test copy constructor
ArrayType b( a );
for( unsigned int r=0; r<rows; r++)
{
for( unsigned int c=0; c<cols; c++)
{
double diff = a(r,c) - b(r,c);
diff = (diff > 0.0 ) ? diff : -diff; // take abs value
if( diff > tolerance )
{
std::cerr << "Error in copy constructor " << std::endl;
return EXIT_FAILURE;
}
}
}
// test construction from vnl_matrix
ArrayType d( vm );
for( unsigned int r=0; r<rows; r++)
{
for( unsigned int c=0; c<cols; c++)
{
double diff = d(r,c) - vm(r,c);
diff = (diff > 0.0 ) ? diff : -diff; // take abs value
if( diff > tolerance )
{
std::cerr << "Error in construction from vn_matrix" << std::endl;
return EXIT_FAILURE;
}
}
}
// test for assignment from Array2D
ArrayType e;
e = a;
for( unsigned int r=0; r<rows; r++)
{
for( unsigned int c=0; c<cols; c++)
{
double diff = a(r,c) - e(r,c);
diff = (diff > 0.0 ) ? diff : -diff; // take abs value
if( diff > tolerance )
{
std::cerr << "Error in assignment from Array2D constructor " << std::endl;
return EXIT_FAILURE;
}
}
}
// test for assignment from vnl_matrix
ArrayType f;
f = vm;
for( unsigned int r=0; r<rows; r++)
{
for( unsigned int c=0; c<cols; c++)
{
double diff = f(r,c) - vm(r,c);
diff = (diff > 0.0 ) ? diff : -diff; // take abs value
if( diff > tolerance )
{
std::cerr << "Error in assignment from vn_matrix" << std::endl;
return EXIT_FAILURE;
}
}
}
std::cout << "Test Passed ! " << std::endl;
return EXIT_SUCCESS;
}
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