From: Guido Kanschat <dr.guido.kanschat@gmail.com>
Date: Wed, 25 Apr 2001 09:58:32 +0000 (+0000)
Subject: exception handled
X-Git-Tag: v8.0.0~19302
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b2cd18ef33513e50e6e86cfd72bdea17be52cc47;p=dealii.git

exception handled


git-svn-id: https://svn.dealii.org/trunk@4485 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/tests/deal.II/mg.cc b/tests/deal.II/mg.cc
index 3d63864fbd..5b687d48dd 100644
--- a/tests/deal.II/mg.cc
+++ b/tests/deal.II/mg.cc
@@ -2,7 +2,7 @@
 //    $Id$
 //    Version: $Name$
 //
-//    Copyright (C) 1998, 1999, 2000 by the deal.II authors
+//    Copyright (C) 1998, 1999, 2000, 2001 by the deal.II authors
 //
 //    This file is subject to QPL and may not be  distributed
 //    without copyright and license information. Please refer
@@ -69,6 +69,8 @@ class MGSmootherLAC : public MGSmootherBase
 
 int main()
 {
+  try 
+    {
   ofstream logfile("mg.output");
   deallog.attach(logfile);
   deallog.depth_console(0);
@@ -123,7 +125,7 @@ int main()
 	  Vector<double> u;
 	  u.reinit(f);
 	  PrimitiveVectorMemory<> mem;
-	  SolverControl control(100, 1.e-12);
+	  SolverControl control(1000, 1.e-10,false , true);
 	  SolverCG<>    solver(control, mem);
 	  
 	  u = 0.;
@@ -139,8 +141,8 @@ int main()
 	      mgA[i].reinit(mgstruct[i]);
 	    }
 	  equation.build_mgmatrix(mgA, mgdof, quadrature);
-	  
-	  SolverControl cgcontrol(10,0., false, false);
+
+	  SolverControl cgcontrol(1000,1.e-12, false, false);
 	  PrimitiveVectorMemory<> cgmem;
 	  SolverCG<> cgsolver(cgcontrol, cgmem);
 	  PreconditionIdentity cgprec;
@@ -160,6 +162,13 @@ Multigrid<2> multigrid(mgdof, hanging_nodes, mgstruct, mgA, transfer);
 	}
       deallog.pop();
     }
+
+    }
+  catch (const SolverControl::NoConvergence& e)
+    {
+      deallog << "Step " << e.last_step
+	      << " Residual " << e.last_residual << endl;
+    }
 }
 
 template<int dim>
@@ -186,5 +195,11 @@ MGSmootherLAC::smooth (const unsigned int level,
   PreconditionSSOR<> prec;
   prec.initialize((*matrices)[level], 1.);
 
-  rich.solve((*matrices)[level], u, rhs, prec);
+  try
+    {
+      rich.solve((*matrices)[level], u, rhs, prec);
+    }
+  catch (const SolverControl::NoConvergence&)
+    {
+    }
 }
diff --git a/tests/deal.II/mg.checked b/tests/deal.II/mg.checked
index 7718f62359..60791912fc 100644
--- a/tests/deal.II/mg.checked
+++ b/tests/deal.II/mg.checked
@@ -2,36 +2,36 @@
 DEAL:Q1::DoFs 9
 DEAL:Q1::Levels: 2
 DEAL:Q1:cg::Starting 
-DEAL:Q1:cg::Convergence step 4 
+DEAL:Q1:cg::Convergence step 3 
 DEAL:Q1::DoFs 25
 DEAL:Q1::Levels: 3
 DEAL:Q1:cg::Starting 
-DEAL:Q1:cg::Convergence step 5 
+DEAL:Q1:cg::Convergence step 4 
 DEAL:Q1::DoFs 81
 DEAL:Q1::Levels: 4
 DEAL:Q1:cg::Starting 
-DEAL:Q1:cg::Convergence step 6 
+DEAL:Q1:cg::Convergence step 5 
 DEAL:Q2::DoFs 25
 DEAL:Q2::Levels: 2
 DEAL:Q2:cg::Starting 
-DEAL:Q2:cg::Convergence step 6 
+DEAL:Q2:cg::Convergence step 5 
 DEAL:Q2::DoFs 81
 DEAL:Q2::Levels: 3
 DEAL:Q2:cg::Starting 
-DEAL:Q2:cg::Convergence step 7 
+DEAL:Q2:cg::Convergence step 6 
 DEAL:Q2::DoFs 289
 DEAL:Q2::Levels: 4
 DEAL:Q2:cg::Starting 
-DEAL:Q2:cg::Convergence step 7 
+DEAL:Q2:cg::Convergence step 6 
 DEAL:Q3::DoFs 49
 DEAL:Q3::Levels: 2
 DEAL:Q3:cg::Starting 
-DEAL:Q3:cg::Convergence step 8 
+DEAL:Q3:cg::Convergence step 6 
 DEAL:Q3::DoFs 169
 DEAL:Q3::Levels: 3
 DEAL:Q3:cg::Starting 
-DEAL:Q3:cg::Convergence step 7 
+DEAL:Q3:cg::Convergence step 6 
 DEAL:Q3::DoFs 625
 DEAL:Q3::Levels: 4
 DEAL:Q3:cg::Starting 
-DEAL:Q3:cg::Convergence step 7 
+DEAL:Q3:cg::Convergence step 6