--- /dev/null
+//---------------------------- 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;
+ };
+}