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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#include "FEDataStructures.h"
#include <mpi.h>
#ifdef USE_CATALYST
#include "FEAdaptor.h"
#endif
// Example of a C++ adaptor for a simulation code that
// has two channels/inputs of information for different
// sets of simulation pieces. The first channel is
// for volumetric grid information and the second channel
// is for particles information. Note that through configuration
// that the driver can be run without linking
// to Catalyst.
int main(int argc, char* argv[])
{
MPI_Init(&argc, &argv);
unsigned int numPoints[3] = { 70, 60, 44 };
double spacing[3] = { 1, 1.1, 1.3 };
Grid grid(numPoints, spacing);
Attributes attributes;
attributes.Initialize(&grid);
size_t numParticlesPerProcess = 20;
Particles particles(grid, numParticlesPerProcess);
#ifdef USE_CATALYST
// The first argument is the program name
FEAdaptor feaAdaptor(argc - 1, argv + 1);
#endif
unsigned int numberOfTimeSteps = 10;
for (unsigned int timeStep = 0; timeStep < numberOfTimeSteps; timeStep++)
{
// use a time step length of 0.1
double time = timeStep * 0.1;
attributes.UpdateFields(time);
particles.Advect();
#ifdef USE_CATALYST
feaAdaptor.CoProcess(
grid, attributes, particles, time, timeStep, timeStep == numberOfTimeSteps - 1);
#endif
}
#ifdef USE_CATALYST
feaAdaptor.Finalize();
#endif
MPI_Finalize();
return 0;
}
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