ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Core/Common/SetDefaultNumberOfThreads/Code.cxx
/*=========================================================================
*
* Copyright NumFOCUS
*
* 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.
*
*=========================================================================*/
int
main(int argc, char * argv[])
{
if (argc != 2)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0];
std::cerr << " <NumberOfThreads>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const auto numberOfThreads = static_cast<unsigned int>(std::atoi(argv[1]));
constexpr unsigned int Dimension = 2;
using PixelType = float;
FilterType::Pointer filter = FilterType::New();
const auto filterDefaultThreads = filter->GetMultiThreader()->GetGlobalDefaultNumberOfThreads();
std::cout << "Filter's default number of threads: " << filterDefaultThreads << std::endl;
if (filterDefaultThreads != numberOfThreads)
{
std::cerr << "Filter does not have expected default number of threads." << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itkMedianImageFilter.h
itkMultiThreaderBase.h
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86
itk::MedianImageFilter
Applies a median filter to an image.
Definition: itkMedianImageFilter.h:53
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44
itk::MultiThreaderBase::SetGlobalDefaultNumberOfThreads
static void SetGlobalDefaultNumberOfThreads(ThreadIdType val)