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/*=========================================================================
Program: Visualization Toolkit
Module: vtkMPI4PyCommunicator.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/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 notice for more information.
=========================================================================*/
#include "vtkMPI4PyCommunicator.h"
#include "vtkObjectFactory.h"
#include "vtkMPICommunicator.h"
#include "vtkMPI.h"
#include <mpi4py/mpi4py.h>
vtkStandardNewMacro(vtkMPI4PyCommunicator);
//----------------------------------------------------------------------------
vtkMPI4PyCommunicator::vtkMPI4PyCommunicator()
{
}
//----------------------------------------------------------------------------
PyObject* vtkMPI4PyCommunicator::ConvertToPython(vtkMPICommunicator* comm)
{
// Import mpi4py if it does not exist.
if (!PyMPIComm_New)
{
if (import_mpi4py() < 0)
{
Py_RETURN_NONE;
}
}
if (!comm || !comm->GetMPIComm())
{
Py_RETURN_NONE;
}
return PyMPIComm_New(*comm->GetMPIComm()->GetHandle());
}
//----------------------------------------------------------------------------
vtkMPICommunicator* vtkMPI4PyCommunicator::ConvertToVTK(PyObject* comm)
{
// Import mpi4py if it does not exist.
if (!PyMPIComm_Get)
{
if (import_mpi4py() < 0)
{
return NULL;
}
}
if (!comm || !PyObject_TypeCheck(comm, &PyMPIComm_Type))
{
return NULL;
}
MPI_Comm *mpiComm = PyMPIComm_Get(comm);
vtkMPICommunicator* vtkComm = vtkMPICommunicator::New();
vtkMPICommunicatorOpaqueComm opaqueComm(mpiComm);
if (!vtkComm->InitializeExternal(&opaqueComm))
{
vtkComm->Delete();
return NULL;
}
return vtkComm;
}
//----------------------------------------------------------------------------
void vtkMPI4PyCommunicator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
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