added memo to PowerEnergy and changed check in smoothness and laplace from len(domain) != 0 to 1

4 jobs for working_on_demos in 6 minutes and 44 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed test_min #201387

00:03:21

passed test_mpi #201388

00:04:35

passed test_mpi_fftw #201389

00:05:28

passed test_mpi_fftw_hdf5 #201390

00:06:44

67.0%