From d660a77b11f50b0fc4bdfe2806e77bba6446ac41 Mon Sep 17 00:00:00 2001 From: Wolfgang Bangerth Date: Mon, 13 Feb 2006 02:44:17 +0000 Subject: [PATCH] Use higher accuracy in linear solver. This is necessary to recover higher convergence order for higher order elements. git-svn-id: https://svn.dealii.org/trunk@12353 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/examples/step-20/step-20.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/deal.II/examples/step-20/step-20.cc b/deal.II/examples/step-20/step-20.cc index 6b185bc57b..81d4bdf64e 100644 --- a/deal.II/examples/step-20/step-20.cc +++ b/deal.II/examples/step-20/step-20.cc @@ -1106,7 +1106,7 @@ void MixedLaplaceProblem::solve () SolverControl solver_control (system_matrix.block(0,0).m(), - 1e-6*schur_rhs.l2_norm()); + 1e-12*schur_rhs.l2_norm()); SolverCG<> cg (solver_control); cg.solve (schur_complement, solution.block(1), schur_rhs, -- 2.39.5