]> https://gitweb.dealii.org/ - dealii.git/commitdiff
.
authorWolfgang Bangerth <bangerth@math.tamu.edu>
Fri, 27 Feb 2004 17:09:31 +0000 (17:09 +0000)
committerWolfgang Bangerth <bangerth@math.tamu.edu>
Fri, 27 Feb 2004 17:09:31 +0000 (17:09 +0000)
git-svn-id: https://svn.dealii.org/trunk@8601 0785d39b-7218-0410-832d-ea1e28bc413d

tests/bits/petsc_52.cc [new file with mode: 0644]

diff --git a/tests/bits/petsc_52.cc b/tests/bits/petsc_52.cc
new file mode 100644 (file)
index 0000000..7f5dad3
--- /dev/null
@@ -0,0 +1,95 @@
+//----------------------------  petsc_52.cc  ---------------------------
+//    $Id$
+//    Version: $Name$ 
+//
+//    Copyright (C) 2004 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.
+//
+//----------------------------  petsc_52.cc  ---------------------------
+
+
+// check setting elements in a petsc matrix using
+// PETScWrappers::SparseMatrix::set(). like petsc_01, but use a different
+// constructor for the sparse matrix
+
+#include "../tests.h"
+#include <lac/petsc_sparse_matrix.h>    
+#include <fstream>
+#include <iostream>
+
+
+void test (PETScWrappers::SparseMatrix &m)
+{
+                                   // first set a few entries
+  for (unsigned int i=0; i<m.m(); ++i)
+    for (unsigned int j=0; j<m.m(); ++j)
+      if ((i+2*j+1) % 3 == 0)
+        m.set (i,j, i*j*.5+.5);
+
+  m.compress ();
+  
+                                   // then make sure we retrieve the same ones
+  for (unsigned int i=0; i<m.m(); ++i)
+    for (unsigned int j=0; j<m.m(); ++j)
+      if ((i+2*j+1) % 3 == 0)
+        {
+          Assert (m(i,j) == i*j*.5+.5, ExcInternalError());
+          Assert (m.el(i,j) == i*j*.5+.5, ExcInternalError());
+        }
+      else
+        {
+          Assert (m(i,j) == 0, ExcInternalError());
+          Assert (m.el(i,j) == 0, ExcInternalError());
+        }
+
+  deallog << "OK" << std::endl;
+}
+
+
+
+int main (int argc,char **argv) 
+{
+  std::ofstream logfile("petsc_52.output");
+  deallog.attach(logfile);
+  deallog.depth_console(0);
+
+  try
+    {
+      PetscInitialize(&argc,&argv,0,0);
+      {
+        std::vector<unsigned int> row_lengths (5, 3U);
+        row_lengths.back() == 2;
+        PETScWrappers::SparseMatrix m (5,5,row_lengths);
+        test (m);
+      }
+      PetscFinalize();
+    }
+  catch (std::exception &exc)
+    {
+      std::cerr << std::endl << std::endl
+               << "----------------------------------------------------"
+               << std::endl;
+      std::cerr << "Exception on processing: " << std::endl
+               << exc.what() << std::endl
+               << "Aborting!" << std::endl
+               << "----------------------------------------------------"
+               << std::endl;
+      
+      return 1;
+    }
+  catch (...) 
+    {
+      std::cerr << std::endl << std::endl
+               << "----------------------------------------------------"
+               << std::endl;
+      std::cerr << "Unknown exception!" << std::endl
+               << "Aborting!" << std::endl
+               << "----------------------------------------------------"
+               << std::endl;
+      return 1;
+    };
+}

In the beginning the Universe was created. This has made a lot of people very angry and has been widely regarded as a bad move.

Douglas Adams


Typeset in Trocchi and Trocchi Bold Sans Serif.