mpiWorld.getComm().Bcast (&dOptScanRatio, 1, MPI::DOUBLE, 0);
mpiWorld.getComm().Bcast (&opt_nview, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&opt_ndet, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&dOptScanRatio, 1, MPI::DOUBLE, 0);
mpiWorld.getComm().Bcast (&opt_nview, 1, MPI::INT, 0);
mpiWorld.getComm().Bcast (&opt_ndet, 1, MPI::INT, 0);