From: Timo Heister <timo.heister@gmail.com>
Date: Tue, 25 Jun 2013 06:57:33 +0000 (+0000)
Subject: step-50: better solver tolerance
X-Git-Tag: v8.0.0~230
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a04afefb3a6a07b52ca16cc98493856fe1f1277f;p=dealii.git

step-50: better solver tolerance

git-svn-id: https://svn.dealii.org/trunk@29888 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/examples/step-50/step-50.cc b/deal.II/examples/step-50/step-50.cc
index 7e3fe765c0..47df0fd2e8 100644
--- a/deal.II/examples/step-50/step-50.cc
+++ b/deal.II/examples/step-50/step-50.cc
@@ -834,7 +834,7 @@ namespace Step50
     // With all this together, we can finally
     // get about solving the linear system in
     // the usual way:
-    SolverControl solver_control (500, 1e-12, false);
+    SolverControl solver_control (500, 1e-8*system_rhs.l2_norm(), false);
     SolverCG<vector_t>    cg (solver_control);
 
     solution = 0;