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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 "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.SetElement(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.GetElement(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 vnl_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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