/* -------------------------------------------------------------------------- *
 *                      SimTK Core: SimTK Simmath(tm)                         *
 * -------------------------------------------------------------------------- *
 * This is part of the SimTK Core biosimulation toolkit originating from      *
 * Simbios, the NIH National Center for Physics-Based Simulation of           *
 * Biological Structures at Stanford, funded under the NIH Roadmap for        *
 * Medical Research, grant U54 GM072970. See https://simtk.org.               *
 *                                                                            *
 * Portions copyright (c) 2006-7 Stanford University and the Authors.         *
 * Authors: Michael Sherman, Peter Eastman                                    *
 * Contributors:                                                              *
 *                                                                            *
 * Permission is hereby granted, free of charge, to any person obtaining a    *
 * copy of this software and associated documentation files (the "Software"), *
 * to deal in the Software without restriction, including without limitation  *
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
 * and/or sell copies of the Software, and to permit persons to whom the      *
 * Software is furnished to do so, subject to the following conditions:       *
 *                                                                            *
 * The above copyright notice and this permission notice shall be included in *
 * all copies or substantial portions of the Software.                        *
 *                                                                            *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    *
 * THE AUTHORS, CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,    *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR      *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE  *
 * USE OR OTHER DEALINGS IN THE SOFTWARE.                                     *
 * -------------------------------------------------------------------------- */

#include "IntegratorTestFramework.h"
#include "simmath/ExplicitEulerIntegrator.h"

int main () {
  try {
    PendulumSystem sys;
    sys.updDefaultSubsystem().addEventHandler(new ZeroVelocityHandler(sys));
    sys.updDefaultSubsystem().addEventHandler(PeriodicHandler::handler = new PeriodicHandler());
    sys.updDefaultSubsystem().addEventHandler(new ZeroPositionHandler(sys));
    sys.updDefaultSubsystem().addEventReporter(PeriodicReporter::reporter = new PeriodicReporter(sys));
    sys.updDefaultSubsystem().addEventReporter(new OnceOnlyEventReporter());
    sys.updDefaultSubsystem().addEventReporter(new DiscontinuousReporter());
    sys.realizeTopology();
    PeriodicHandler::handler->setEventInterval(0.01);
    PeriodicReporter::reporter->setEventInterval(0.015);
    
    // Test the integrator in both normal and single step modes.
    
    ExplicitEulerIntegrator integ(sys);
    testIntegrator(integ, sys, 1e-6);
    integ.setReturnEveryInternalStep(true);
    testIntegrator(integ, sys, 1e-6);
    cout << "Done" << endl;
    return 0;
  }
  catch (std::exception& e) {
    std::printf("FAILED: %s\n", e.what());
    return 1;
  }
}