From e8309ce8981b27367574134c428ee054e6f48416 Mon Sep 17 00:00:00 2001 From: guido Date: Fri, 17 Jan 2003 08:00:30 +0000 Subject: [PATCH] invert_diagblocks not necessary anymore git-svn-id: https://svn.dealii.org/trunk@6928 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/examples/step-12/step-12.cc | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/deal.II/examples/step-12/step-12.cc b/deal.II/examples/step-12/step-12.cc index d51c232a6b..85fd3cc06d 100644 --- a/deal.II/examples/step-12/step-12.cc +++ b/deal.II/examples/step-12/step-12.cc @@ -1449,19 +1449,6 @@ void DGMethod::solve (Vector &solution) // set the right block size. preconditioner.initialize(system_matrix, fe.dofs_per_cell); - // As the inverses of the diagonal - // blocks are needed in each - // preconditioner step, it is wise - // to invert the diagonal blocks of - // the matrix before starting the - // solver. Otherwise, it takes less - // memory, but the diagonal blocks - // are inverted in each - // preconditioner step, - // significantly slowing down the - // linear solving process. - preconditioner.invert_diagblocks(); - // After these preparations we are // ready to start the linear solver. solver.solve (system_matrix, solution, right_hand_side, -- 2.39.5