mlprec/mld_c_jac_smoother.f03
mlprec/mld_d_jac_smoother.f03
mlprec/mld_dprecset.F90
mlprec/mld_s_jac_smoother.f03
mlprec/mld_sprecset.F90
mlprec/mld_z_jac_smoother.f03
Check in Jacobi smoother for empty non-diagonal part, and force 1
sweep in that case.