dune_tectonic.cc

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <iostream>
#include "dune/common/mpihelper.hh"  // An initializer of MPI
#include "dune/common/exceptions.hh" // We use exceptions

int main(int argc, char** argv) {
  try {
    // Maybe initialize Mpi
    Dune::MPIHelper& helper = Dune::MPIHelper::instance(argc, argv);
    std::cout << "Hello World! This is dune-tectonic." << std::endl;
    if (Dune::MPIHelper::isFake)
      std::cout << "This is a sequential program." << std::endl;
    else
      std::cout << "I am rank " << helper.rank() << " of " << helper.size()
                << " processes!" << std::endl;
    return 0;
  }
  catch (Dune::Exception& e) {
    std::cerr << "Dune reported error: " << e << std::endl;
  }
  catch (...) {
    std::cerr << "Unknown exception thrown!" << std::endl;
  }
}