package org.openpixi.pixi.opencl;
import java.io.FileNotFoundException;
import junit.framework.TestCase;
import org.openpixi.pixi.physics.Settings;
import org.openpixi.pixi.physics.Simulation;
import org.openpixi.pixi.physics.grid.ChargeConservingCIC;
import org.openpixi.pixi.physics.solver.LeapFrogHalfStep;
import org.openpixi.pixi.physics.util.ClassCopier;
import org.openpixi.pixi.physics.util.ParticleComparator;
/**
* Tests the OpenCL version of openpixi.
* OpenCL and also sequential simulations and then compares the results.
*/
public class LeapFrogHalfStepTest extends TestCase {
public void testParallelSimulation() throws FileNotFoundException {
Settings defaultSettings = new Settings();
//defaultSettings.setTimeStep(0.1);
defaultSettings.setGridCellsX(10);
defaultSettings.setGridCellsY(10);
defaultSettings.setNumOfParticles(100);
defaultSettings.setIterations(100);
defaultSettings.setParticleSolver(new LeapFrogHalfStep());
defaultSettings.setInterpolator(new ChargeConservingCIC());
defaultSettings.setOCLParticleSolver("leap frog half step");
defaultSettings.setOCLGridInterpolator("charge conserving CIC");
Simulation sequentialSimulation = new Simulation(defaultSettings);
Settings openCLSettings = ClassCopier.copy(defaultSettings);
Simulation openCLSimulation = new Simulation(openCLSettings);
sequentialSimulation.run();
openCLSimulation.run();
ParticleComparator comparator = new ParticleComparator();
comparator.compare(sequentialSimulation.particles, openCLSimulation.particles);
}
}