From: wolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 17 Nov 2004 03:37:48 +0000 (+0000)
Subject: Add a test that checks that the now on-the-fly computed interface constraint matrices... 
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4a524ab98d614277505a1ce7d87769fa2acd3401;p=dealii-svn.git

Add a test that checks that the now on-the-fly computed interface constraint matrices for FE_Q<3> for q=1,2 are the same as the previously precomputed ones.


git-svn-id: https://svn.dealii.org/trunk@9779 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/tests/bits/fe_q_3d_01.cc b/tests/bits/fe_q_3d_01.cc
new file mode 100644
index 0000000000..a84fe2b298
--- /dev/null
+++ b/tests/bits/fe_q_3d_01.cc
@@ -0,0 +1,124 @@
+//----------------------------  fe_q_3d_01.cc  ---------------------------
+//    $Id$
+//    Version: $Name$ 
+//
+//    Copyright (C) 2003, 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.
+//
+//----------------------------  fe_q_3d_01.cc  ---------------------------
+
+
+// we used to have constraint matrices for the FE_Q elements precomputed and
+// stored, but later moved to compute them on the fly. make sure these
+// correspond to the previously available precomputed ones for 3d and q=1,2
+
+
+#include "../tests.h"
+#include <fe/fe_q.h>
+
+#include <fstream>
+#include <iostream>
+
+
+// matrices taken from the old file deal.II/source/fe/fe_q_3d.cc
+namespace FE_Q_3d 
+{
+  static const double constraint_q1[] =
+  {
+	.25,.25,.25,.25,
+	.5,.5,0.,0.,
+	0.,.5,.5,0.,
+	0.,0.,.5,.5,
+	.5,0.,0.,.5
+  };
+
+  static const double constraint_q2[] =
+  {
+	0,0,0,0,0,0,0,0,1,
+	0,0,0,0,1,0,0,0,0,
+	0,0,0,0,0,1,0,0,0,
+	0,0,0,0,0,0,1,0,0,
+	0,0,0,0,0,0,0,1,0,
+	0,0,0,0,.375,0,-.125,0,.75,
+	0,0,0,0,0,.375,0,-.125,.75,
+	0,0,0,0,-.125,0,.375,0,.75,
+	0,0,0,0,0,-.125,0,.375,.75,
+	.375,-.125,0,0,.75,0,0,0,0,
+	-.125,.375,0,0,.75,0,0,0,0,
+	0,.375,-.125,0,0,.75,0,0,0,
+	0,-.125,.375,0,0,.75,0,0,0,
+	0,0,-.125,.375,0,0,.75,0,0,
+	0,0,.375,-.125,0,0,.75,0,0,
+	.375,0,0,-.125,0,0,0,.75,0,
+	-.125,0,0,.375,0,0,0,.75,0,
+	.140625,-.046875,.015625,-.046875,.28125,-.09375,-.09375,.28125,.5625,
+	-.046875,.140625,-.046875,.015625,.28125,.28125,-.09375,-.09375,.5625,
+	.015625,-.046875,.140625,-.046875,-.09375,.28125,.28125,-.09375,.5625,
+	-.046875,.015625,-.046875,.140625,-.09375,-.09375,.28125,.28125,.5625
+  };
+}
+
+
+namespace Matrices
+{
+  const double * const 
+  constraint_matrices[] =
+  {
+        FE_Q_3d::constraint_q1,
+        FE_Q_3d::constraint_q2
+  };
+
+  const unsigned int 
+  n_constraint_matrices
+  = sizeof(constraint_matrices) /
+    sizeof(constraint_matrices[0]);
+}
+
+
+
+void check ()
+{
+                                   // check for q=1,2
+  for (unsigned int q=1; q<=2; ++q)
+    {
+      deallog << "q=" << q << std::endl;
+      
+      FE_Q<3> fe(q);
+    
+      FullMatrix<double> x(fe.constraints().m(),
+                           fe.constraints().n());
+
+      Assert (q<=Matrices::n_constraint_matrices,
+              ExcInternalError());
+      x.fill (Matrices::constraint_matrices[q-1]);
+
+      for (unsigned int i=0; i<x.m(); ++i)
+        for (unsigned int j=0; j<x.n(); ++j)
+          {
+            deallog << i << ' ' << j << ' '
+                    << x(i,j) << ' '
+                    << fe.constraints()(i,j)
+                    << std::endl;
+            Assert (std::fabs (x(i,j) - fe.constraints()(i,j))
+                    <
+                    1e-14,
+                    ExcInternalError());
+          }
+    }
+  deallog << "OK" << std::endl;
+}
+
+
+int main () 
+{
+  std::ofstream logfile("fe_q_3d_01.output");
+  deallog.attach(logfile);
+  deallog.depth_console(0);
+  
+  check ();
+}
+
diff --git a/tests/results/i686-pc-linux-gnu+gcc3.2/bits/fe_q_3d_01.output b/tests/results/i686-pc-linux-gnu+gcc3.2/bits/fe_q_3d_01.output
new file mode 100644
index 0000000000..03a1bb7c6b
--- /dev/null
+++ b/tests/results/i686-pc-linux-gnu+gcc3.2/bits/fe_q_3d_01.output
@@ -0,0 +1,213 @@
+
+DEAL::q=1
+DEAL::0 0 0.250000 0.250000
+DEAL::0 1 0.250000 0.250000
+DEAL::0 2 0.250000 0.250000
+DEAL::0 3 0.250000 0.250000
+DEAL::1 0 0.500000 0.500000
+DEAL::1 1 0.500000 0.500000
+DEAL::1 2 0.00000 0.00000
+DEAL::1 3 0.00000 0.00000
+DEAL::2 0 0.00000 0.00000
+DEAL::2 1 0.500000 0.500000
+DEAL::2 2 0.500000 0.500000
+DEAL::2 3 0.00000 0.00000
+DEAL::3 0 0.00000 0.00000
+DEAL::3 1 0.00000 0.00000
+DEAL::3 2 0.500000 0.500000
+DEAL::3 3 0.500000 0.500000
+DEAL::4 0 0.500000 0.500000
+DEAL::4 1 0.00000 0.00000
+DEAL::4 2 0.00000 0.00000
+DEAL::4 3 0.500000 0.500000
+DEAL::q=2
+DEAL::0 0 0.00000 0.00000
+DEAL::0 1 0.00000 0.00000
+DEAL::0 2 0.00000 0.00000
+DEAL::0 3 0.00000 0.00000
+DEAL::0 4 0.00000 0.00000
+DEAL::0 5 0.00000 0.00000
+DEAL::0 6 0.00000 0.00000
+DEAL::0 7 0.00000 0.00000
+DEAL::0 8 1.00000 1.00000
+DEAL::1 0 0.00000 0.00000
+DEAL::1 1 0.00000 0.00000
+DEAL::1 2 0.00000 0.00000
+DEAL::1 3 0.00000 0.00000
+DEAL::1 4 1.00000 1.00000
+DEAL::1 5 0.00000 0.00000
+DEAL::1 6 0.00000 0.00000
+DEAL::1 7 0.00000 0.00000
+DEAL::1 8 0.00000 0.00000
+DEAL::2 0 0.00000 0.00000
+DEAL::2 1 0.00000 0.00000
+DEAL::2 2 0.00000 0.00000
+DEAL::2 3 0.00000 0.00000
+DEAL::2 4 0.00000 0.00000
+DEAL::2 5 1.00000 1.00000
+DEAL::2 6 0.00000 0.00000
+DEAL::2 7 0.00000 0.00000
+DEAL::2 8 0.00000 0.00000
+DEAL::3 0 0.00000 0.00000
+DEAL::3 1 0.00000 0.00000
+DEAL::3 2 0.00000 0.00000
+DEAL::3 3 0.00000 0.00000
+DEAL::3 4 0.00000 0.00000
+DEAL::3 5 0.00000 0.00000
+DEAL::3 6 1.00000 1.00000
+DEAL::3 7 0.00000 0.00000
+DEAL::3 8 0.00000 0.00000
+DEAL::4 0 0.00000 0.00000
+DEAL::4 1 0.00000 0.00000
+DEAL::4 2 0.00000 0.00000
+DEAL::4 3 0.00000 0.00000
+DEAL::4 4 0.00000 0.00000
+DEAL::4 5 0.00000 0.00000
+DEAL::4 6 0.00000 0.00000
+DEAL::4 7 1.00000 1.00000
+DEAL::4 8 0.00000 0.00000
+DEAL::5 0 0.00000 0.00000
+DEAL::5 1 0.00000 0.00000
+DEAL::5 2 0.00000 0.00000
+DEAL::5 3 0.00000 0.00000
+DEAL::5 4 0.375000 0.375000
+DEAL::5 5 0.00000 0.00000
+DEAL::5 6 -0.125000 -0.125000
+DEAL::5 7 0.00000 0.00000
+DEAL::5 8 0.750000 0.750000
+DEAL::6 0 0.00000 0.00000
+DEAL::6 1 0.00000 0.00000
+DEAL::6 2 0.00000 0.00000
+DEAL::6 3 0.00000 0.00000
+DEAL::6 4 0.00000 0.00000
+DEAL::6 5 0.375000 0.375000
+DEAL::6 6 0.00000 0.00000
+DEAL::6 7 -0.125000 -0.125000
+DEAL::6 8 0.750000 0.750000
+DEAL::7 0 0.00000 0.00000
+DEAL::7 1 0.00000 0.00000
+DEAL::7 2 0.00000 0.00000
+DEAL::7 3 0.00000 0.00000
+DEAL::7 4 -0.125000 -0.125000
+DEAL::7 5 0.00000 0.00000
+DEAL::7 6 0.375000 0.375000
+DEAL::7 7 0.00000 0.00000
+DEAL::7 8 0.750000 0.750000
+DEAL::8 0 0.00000 0.00000
+DEAL::8 1 0.00000 0.00000
+DEAL::8 2 0.00000 0.00000
+DEAL::8 3 0.00000 0.00000
+DEAL::8 4 0.00000 0.00000
+DEAL::8 5 -0.125000 -0.125000
+DEAL::8 6 0.00000 0.00000
+DEAL::8 7 0.375000 0.375000
+DEAL::8 8 0.750000 0.750000
+DEAL::9 0 0.375000 0.375000
+DEAL::9 1 -0.125000 -0.125000
+DEAL::9 2 0.00000 0.00000
+DEAL::9 3 0.00000 0.00000
+DEAL::9 4 0.750000 0.750000
+DEAL::9 5 0.00000 0.00000
+DEAL::9 6 0.00000 0.00000
+DEAL::9 7 0.00000 0.00000
+DEAL::9 8 0.00000 0.00000
+DEAL::10 0 -0.125000 -0.125000
+DEAL::10 1 0.375000 0.375000
+DEAL::10 2 0.00000 0.00000
+DEAL::10 3 0.00000 0.00000
+DEAL::10 4 0.750000 0.750000
+DEAL::10 5 0.00000 0.00000
+DEAL::10 6 0.00000 0.00000
+DEAL::10 7 0.00000 0.00000
+DEAL::10 8 0.00000 0.00000
+DEAL::11 0 0.00000 0.00000
+DEAL::11 1 0.375000 0.375000
+DEAL::11 2 -0.125000 -0.125000
+DEAL::11 3 0.00000 0.00000
+DEAL::11 4 0.00000 0.00000
+DEAL::11 5 0.750000 0.750000
+DEAL::11 6 0.00000 0.00000
+DEAL::11 7 0.00000 0.00000
+DEAL::11 8 0.00000 0.00000
+DEAL::12 0 0.00000 0.00000
+DEAL::12 1 -0.125000 -0.125000
+DEAL::12 2 0.375000 0.375000
+DEAL::12 3 0.00000 0.00000
+DEAL::12 4 0.00000 0.00000
+DEAL::12 5 0.750000 0.750000
+DEAL::12 6 0.00000 0.00000
+DEAL::12 7 0.00000 0.00000
+DEAL::12 8 0.00000 0.00000
+DEAL::13 0 0.00000 0.00000
+DEAL::13 1 0.00000 0.00000
+DEAL::13 2 -0.125000 -0.125000
+DEAL::13 3 0.375000 0.375000
+DEAL::13 4 0.00000 0.00000
+DEAL::13 5 0.00000 0.00000
+DEAL::13 6 0.750000 0.750000
+DEAL::13 7 0.00000 0.00000
+DEAL::13 8 0.00000 0.00000
+DEAL::14 0 0.00000 0.00000
+DEAL::14 1 0.00000 0.00000
+DEAL::14 2 0.375000 0.375000
+DEAL::14 3 -0.125000 -0.125000
+DEAL::14 4 0.00000 0.00000
+DEAL::14 5 0.00000 0.00000
+DEAL::14 6 0.750000 0.750000
+DEAL::14 7 0.00000 0.00000
+DEAL::14 8 0.00000 0.00000
+DEAL::15 0 0.375000 0.375000
+DEAL::15 1 0.00000 0.00000
+DEAL::15 2 0.00000 0.00000
+DEAL::15 3 -0.125000 -0.125000
+DEAL::15 4 0.00000 0.00000
+DEAL::15 5 0.00000 0.00000
+DEAL::15 6 0.00000 0.00000
+DEAL::15 7 0.750000 0.750000
+DEAL::15 8 0.00000 0.00000
+DEAL::16 0 -0.125000 -0.125000
+DEAL::16 1 0.00000 0.00000
+DEAL::16 2 0.00000 0.00000
+DEAL::16 3 0.375000 0.375000
+DEAL::16 4 0.00000 0.00000
+DEAL::16 5 0.00000 0.00000
+DEAL::16 6 0.00000 0.00000
+DEAL::16 7 0.750000 0.750000
+DEAL::16 8 0.00000 0.00000
+DEAL::17 0 0.140625 0.140625
+DEAL::17 1 -0.0468750 -0.0468750
+DEAL::17 2 0.0156250 0.0156250
+DEAL::17 3 -0.0468750 -0.0468750
+DEAL::17 4 0.281250 0.281250
+DEAL::17 5 -0.0937500 -0.0937500
+DEAL::17 6 -0.0937500 -0.0937500
+DEAL::17 7 0.281250 0.281250
+DEAL::17 8 0.562500 0.562500
+DEAL::18 0 -0.0468750 -0.0468750
+DEAL::18 1 0.140625 0.140625
+DEAL::18 2 -0.0468750 -0.0468750
+DEAL::18 3 0.0156250 0.0156250
+DEAL::18 4 0.281250 0.281250
+DEAL::18 5 0.281250 0.281250
+DEAL::18 6 -0.0937500 -0.0937500
+DEAL::18 7 -0.0937500 -0.0937500
+DEAL::18 8 0.562500 0.562500
+DEAL::19 0 0.0156250 0.0156250
+DEAL::19 1 -0.0468750 -0.0468750
+DEAL::19 2 0.140625 0.140625
+DEAL::19 3 -0.0468750 -0.0468750
+DEAL::19 4 -0.0937500 -0.0937500
+DEAL::19 5 0.281250 0.281250
+DEAL::19 6 0.281250 0.281250
+DEAL::19 7 -0.0937500 -0.0937500
+DEAL::19 8 0.562500 0.562500
+DEAL::20 0 -0.0468750 -0.0468750
+DEAL::20 1 0.0156250 0.0156250
+DEAL::20 2 -0.0468750 -0.0468750
+DEAL::20 3 0.140625 0.140625
+DEAL::20 4 -0.0937500 -0.0937500
+DEAL::20 5 -0.0937500 -0.0937500
+DEAL::20 6 0.281250 0.281250
+DEAL::20 7 0.281250 0.281250
+DEAL::20 8 0.562500 0.562500
+DEAL::OK