import pytest import netgen.meshing mpi4py = pytest.importorskip("mpi4py") @pytest.mark.mpi def test_mpi4py(): comm = mpi4py.MPI.COMM_WORLD if comm.rank==0: from netgen.csg import unit_cube m = unit_cube.GenerateMesh(maxh=0.1) m.Save("mpimesh") comm.Barrier() mesh = netgen.meshing.Mesh(3, comm) mesh.Load("mpimesh.vol.gz") if comm.rank==0: assert mesh.ne==0