From 2220fb88559c8a768d5c353e2930d13887b94e6d Mon Sep 17 00:00:00 2001 From: guido Date: Tue, 10 May 2005 07:08:37 +0000 Subject: [PATCH] SparseDirectUMFPACK as preconditioner git-svn-id: https://svn.dealii.org/trunk@10659 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/doc/news/changes.html | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/deal.II/doc/news/changes.html b/deal.II/doc/news/changes.html index 3053341009..4d5da15a34 100644 --- a/deal.II/doc/news/changes.html +++ b/deal.II/doc/news/changes.html @@ -300,6 +300,15 @@ inconvenience this causes.

lac

    +
  1. + Improved: SparseDirectUMFPACK now + has the complete interface of a preconditioner + class. Therefore, it can be used in iterative solvers and in + multigrid smoothers. +
    + (GK, 2005/05/10) +

    +
  2. Fixed: The PETSc matrix iterators had trouble when some rows of a matrix were empty. This has now been mostly fixed. -- 2.39.5