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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 "itkThreadedImageRegionPartitioner.h"
/*
* Main test entry function
*/
int itkThreadedImageRegionPartitionerTest(int , char* [])
{
const unsigned int Dimension = 2;
typedef itk::ThreadedImageRegionPartitioner< Dimension > ThreadedImageRegionPartitionerType;
ThreadedImageRegionPartitionerType::Pointer threadedImageRegionPartitioner = ThreadedImageRegionPartitionerType::New();
typedef ThreadedImageRegionPartitionerType::DomainType ImageRegionType;
typedef ImageRegionType::SizeType SizeType;
typedef ImageRegionType::IndexType IndexType;
SizeType size;
IndexType index;
size.Fill(97);
index.Fill(4);
ImageRegionType completeRegion;
completeRegion.SetSize( size );
completeRegion.SetIndex( index );
// Define the expected results
ImageRegionType expectedRegion;
std::vector< ImageRegionType > expectedSubRegions;
size[1] = 25;
expectedRegion.SetIndex( index );
expectedRegion.SetSize( size );
expectedSubRegions.push_back( expectedRegion );
index[1] = 29;
expectedRegion.SetIndex( index );
expectedSubRegions.push_back( expectedRegion );
index[1] = 54;
expectedRegion.SetIndex( index );
expectedSubRegions.push_back( expectedRegion );
index[1] = 79;
expectedRegion.SetIndex( index );
size[1] = 22;
expectedRegion.SetSize( size );
expectedSubRegions.push_back( expectedRegion );
const itk::ThreadIdType totalThreads = 4;
ImageRegionType subRegion;
for( itk::ThreadIdType i = 0; i < totalThreads; ++i )
{
threadedImageRegionPartitioner->PartitionDomain( i,
totalThreads,
completeRegion,
subRegion );
std::cout << "The resulting subregion for thread: " << i
<< " is : " << subRegion << std::endl;
if( expectedSubRegions[i] != subRegion )
{
std::cerr << "The calculated sub-region, " << subRegion
<< " did not match the expected region: " << expectedSubRegions[i]
<< std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
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