From 7bcdd3ce8452783aa612828865b9dacf04dd625a Mon Sep 17 00:00:00 2001
From: young <young@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Sat, 19 Oct 2013 18:41:39 +0000
Subject: [PATCH] Same as before, but here for the linfty norm.

git-svn-id: https://svn.dealii.org/branches/branch_petscscalar_complex@31321 0785d39b-7218-0410-832d-ea1e28bc413d
---
 tests/petsc_scalar_complex/19.cc          | 88 +++++++++++++++++++++++
 tests/petsc_scalar_complex/19/cmp/generic |  2 +
 2 files changed, 90 insertions(+)
 create mode 100644 tests/petsc_scalar_complex/19.cc
 create mode 100644 tests/petsc_scalar_complex/19/cmp/generic

diff --git a/tests/petsc_scalar_complex/19.cc b/tests/petsc_scalar_complex/19.cc
new file mode 100644
index 0000000000..de1c69bb4d
--- /dev/null
+++ b/tests/petsc_scalar_complex/19.cc
@@ -0,0 +1,88 @@
+// ---------------------------------------------------------------------
+// $Id: 19.cc 
+//
+// Copyright (C) 2013 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+
+// check PETScWrappers::Vector::linfty_norm()
+
+#include "../tests.h"
+#include <deal.II/lac/petsc_vector.h>
+#include <fstream>
+#include <iostream>
+#include <vector>
+
+
+void test (PETScWrappers::Vector &v)
+{
+  // set some elements of the vector
+  double norm = 0;
+  for (unsigned int k=0; k<v.size(); k+=1+k)
+    {
+      v(k) = std::complex<double> (k,2.*k);
+
+      // Ugly, but equal.
+      norm = std::max (norm,std::fabs (std::sqrt ((k*k + 2.*k*2.*k))));
+    }
+
+  v.compress (VectorOperation::add);
+
+  // then check the norm
+  Assert (v.linfty_norm() == norm, ExcInternalError());
+
+  deallog << "OK" << std::endl;
+}
+
+int main (int argc,char **argv)
+{
+  std::ofstream logfile("19/output");
+  deallog.attach(logfile);
+  deallog.depth_console(0);
+  deallog.threshold_double(1.e-10);
+
+  try
+    {
+      Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1);
+      {
+        PETScWrappers::Vector v (100);
+        test (v);
+      }
+
+    }
+  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;
+    };
+}
diff --git a/tests/petsc_scalar_complex/19/cmp/generic b/tests/petsc_scalar_complex/19/cmp/generic
new file mode 100644
index 0000000000..0fd8fc12f0
--- /dev/null
+++ b/tests/petsc_scalar_complex/19/cmp/generic
@@ -0,0 +1,2 @@
+
+DEAL::OK
-- 
2.39.5