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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// Tests vtkGenerateProcessIds and the new ProcessIds dataset attribute.
#include "vtkCellData.h"
#include "vtkDataSet.h"
#include "vtkGenerateProcessIds.h"
#include "vtkIdTypeArray.h"
#include "vtkMPIController.h"
#include "vtkNew.h"
#include "vtkPointData.h"
#include "vtkRTAnalyticSource.h"
static int TestGenerator(vtkDataSetAttributes* dataSetAttributes, int rank);
int TestGenerateProcessIds(int argc, char* argv[])
{
// Note that this will create a vtkMPIController if MPI
// is configured, vtkThreadedController otherwise.
vtkNew<vtkMPIController> controller;
controller->Initialize(&argc, &argv, 0);
vtkMultiProcessController::SetGlobalController(controller);
// Create and execute pipeline
vtkNew<vtkRTAnalyticSource> wavelet;
vtkNew<vtkGenerateProcessIds> pidGenerator;
pidGenerator->SetInputConnection(wavelet->GetOutputPort());
pidGenerator->GenerateCellDataOn();
pidGenerator->Update();
vtkDataSet* pidOutput = vtkDataSet::SafeDownCast(pidGenerator->GetOutput());
int myRank = controller->GetLocalProcessId();
int retVal = TestGenerator(pidOutput->GetPointData(), myRank);
retVal =
(TestGenerator(pidOutput->GetCellData(), myRank) == EXIT_FAILURE) ? EXIT_FAILURE : retVal;
controller->Finalize();
return retVal;
}
int TestGenerator(vtkDataSetAttributes* dataSetAttributes, int rank)
{
vtkDataArray* pidDataArray = dataSetAttributes->GetProcessIds();
vtkIdType nbTuples = dataSetAttributes->GetNumberOfTuples();
if (!pidDataArray)
{
vtkGenericWarningMacro("ProcessIds attribute from " << dataSetAttributes->GetClassName()
<< " should not be nullptr");
return EXIT_FAILURE;
}
vtkIdType pidArraySize = pidDataArray->GetDataSize();
if (pidArraySize != nbTuples)
{
vtkGenericWarningMacro(<< "Wrong size for ProcessIds attribute from "
<< dataSetAttributes->GetClassName() << ". Should be: " << nbTuples
<< " but is: " << pidArraySize);
return EXIT_FAILURE;
}
for (vtkIdType i = 0; i < nbTuples; ++i)
{
if (pidDataArray->GetTuple1(i) != rank)
{
vtkGenericWarningMacro(<< "Wrong id in ProcessIds attribute from "
<< dataSetAttributes->GetClassName() << ". Should be: " << rank
<< " but is: " << pidDataArray->GetTuple1(i));
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
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