]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
New test.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Sun, 19 Sep 2010 03:40:08 +0000 (03:40 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Sun, 19 Sep 2010 03:40:08 +0000 (03:40 +0000)
git-svn-id: https://svn.dealii.org/trunk@22044 0785d39b-7218-0410-832d-ea1e28bc413d

tests/deal.II/constraints_merge_02.cc [new file with mode: 0644]
tests/deal.II/constraints_merge_02/cmp/generic [new file with mode: 0644]

diff --git a/tests/deal.II/constraints_merge_02.cc b/tests/deal.II/constraints_merge_02.cc
new file mode 100644 (file)
index 0000000..27b29c4
--- /dev/null
@@ -0,0 +1,95 @@
+//----------------------------  constraints.cc  ---------------------------
+//    $Id$
+//    Version: $Name$ 
+//
+//    Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2008, 2010 by the deal.II authors
+//
+//    This file is subject to QPL and may not be  distributed
+//    without copyright and license information. Please refer
+//    to the file deal.II/doc/license.html for the  text  and
+//    further information on this license.
+//
+//----------------------------  constraints.cc  ---------------------------
+
+
+// merge and print a bunch of ConstrainMatrices. test the case that we
+// have inhomogeneities in the constraints
+
+#include "../tests.h"
+#include <lac/constraint_matrix.h>
+#include <base/logstream.h>
+
+#include <fstream>
+#include <iomanip>
+
+
+std::ofstream logfile("constraints_merge_02/output");
+
+
+void merge_check ()
+{
+  deallog << "Checking ConstraintMatrix::merge" << std::endl;
+
+                                  // check twice, once with closed
+                                  // objects, once with open ones
+  for (unsigned int run=0; run<2; ++run)
+    {
+      deallog << "Checking with " << (run == 0 ? "open" : "closed")
+             << " objects" << std::endl;
+      
+                                      // check that the `merge' function
+                                      // works correctly
+      ConstraintMatrix c1, c2;
+
+                                      // enter simple line
+      c1.add_line (0);
+      c1.add_entry (0, 11, 1.);
+      c1.set_inhomogeneity (0, 42);
+      
+                                      // add more complex line
+      c1.add_line (1);
+      c1.add_entry (1, 3, 0.5);
+      c1.add_entry (1, 4, 0.5);
+      c1.set_inhomogeneity (1, 100);
+  
+                                      // fill second constraints
+                                      // object with one trivial line
+                                      // and one which further
+                                      // constrains one of the
+                                      // entries in the first object
+      c2.add_line (10);
+      c2.add_entry (10, 11, 1.);
+      c2.set_inhomogeneity (10, 142);
+      
+      c2.add_line (3);
+      c2.add_entry (3, 12, 0.25);
+      c2.add_entry (3, 13, 0.75);
+      c2.set_inhomogeneity (3, 242);
+
+                                      // in one of the two runs,
+                                      // close the objects
+      if (run == 1)
+       {
+         c1.close ();
+         c2.close ();
+       };
+
+                                      // now merge the two and print the
+                                      // results
+      c1.merge (c2);
+      c1.print (logfile);
+    };
+}
+
+
+int main ()
+{
+  deallog << std::setprecision (2);
+  logfile << std::setprecision (2);
+  deallog.attach(logfile);
+  deallog.depth_console(0);
+  deallog.threshold_double(1.e-10);
+
+  merge_check ();
+}
+
diff --git a/tests/deal.II/constraints_merge_02/cmp/generic b/tests/deal.II/constraints_merge_02/cmp/generic
new file mode 100644 (file)
index 0000000..42499bd
--- /dev/null
@@ -0,0 +1,26 @@
+
+DEAL::Checking ConstraintMatrix::merge
+DEAL::Checking with open objects
+    0 11:  1.0
+    0: 42.
+    1 12:  0.12
+    1 13:  0.38
+    1 4:  0.50
+    1: 2.2e+02
+    10 11:  1.0
+    10: 1.4e+02
+    3 12:  0.25
+    3 13:  0.75
+    3: 2.4e+02
+DEAL::Checking with closed objects
+    0 11:  1.0
+    0: 42.
+    1 4:  0.50
+    1 12:  0.12
+    1 13:  0.38
+    1: 2.2e+02
+    3 12:  0.25
+    3 13:  0.75
+    3: 2.4e+02
+    10 11:  1.0
+    10: 1.4e+02

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