]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Add tests for SymmetricTensor::norm() for complex-valued tensors. 2791/head
authorWolfgang Bangerth <bangerth@math.tamu.edu>
Fri, 8 Jul 2016 21:05:19 +0000 (16:05 -0500)
committerWolfgang Bangerth <bangerth@math.tamu.edu>
Fri, 8 Jul 2016 21:05:19 +0000 (16:05 -0500)
This incidentally also tests that SymmetricTensor::access_raw_entry() function.

tests/base/symmetric_tensor_32.cc [new file with mode: 0644]
tests/base/symmetric_tensor_32.output [new file with mode: 0644]

diff --git a/tests/base/symmetric_tensor_32.cc b/tests/base/symmetric_tensor_32.cc
new file mode 100644 (file)
index 0000000..ba77673
--- /dev/null
@@ -0,0 +1,66 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2016 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.
+//
+// ---------------------------------------------------------------------
+
+// Test SymmetricTensor::norm() for complex-valued tensors
+
+#include "../tests.h"
+#include <deal.II/base/symmetric_tensor.h>
+#include <deal.II/base/logstream.h>
+
+
+template <int rank, int dim>
+void check ()
+{
+  // build a regular tensor
+  SymmetricTensor<rank,dim> t;
+
+  // build one in which all numbers are the same but purely imaginary
+  SymmetricTensor<rank,dim,std::complex<double> > ti;
+
+  // build one in which all numbers have both real and imaginary components
+  SymmetricTensor<rank,dim,std::complex<double> > tc;
+
+  for (unsigned int i=0; i<t.n_independent_components; ++i)
+    {
+      t.access_raw_entry(i)  = 1.0 * (i+1);
+      ti.access_raw_entry(i) = std::complex<double>(0,1.0*(i+1));
+      tc.access_raw_entry(i) = std::complex<double>(1.0*(i+1),1.0*(i+1));
+    }
+
+  deallog << t.norm() << ' '
+          << ti.norm() << ' '
+          << tc.norm() << std::endl;
+}
+
+
+int main ()
+{
+  std::ofstream logfile("output");
+  deallog << std::setprecision(3);
+  deallog.attach(logfile);
+  deallog.threshold_double(1.e-10);
+
+  deallog << "check rank 2 tensors" << std::endl;
+  check<2,1>();
+  check<2,2>();
+  check<2,3>();
+
+  deallog << "check rank 4 tensors" << std::endl;
+  check<4,1>();
+  check<4,2>();
+  check<4,3>();
+
+  deallog << "OK" << std::endl;
+}
diff --git a/tests/base/symmetric_tensor_32.output b/tests/base/symmetric_tensor_32.output
new file mode 100644 (file)
index 0000000..ee69763
--- /dev/null
@@ -0,0 +1,10 @@
+
+DEAL::check rank 2 tensors
+DEAL::1.00 1.00 1.41
+DEAL::4.80 4.80 6.78
+DEAL::13.0 13.0 18.3
+DEAL::check rank 4 tensors
+DEAL::1.00 1.00 1.41
+DEAL::26.2 26.2 37.0
+DEAL::217. 217. 307.
+DEAL::OK

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