--- /dev/null
+//---------------------------- anisotropic_crash.cc ---------------------------
+// anisotropic_crash.cc,v 1.1 2003/06/09 15:59:07 wolf Exp
+// Version:
+//
+// Copyright (C) 2012 by the deal.II authors and Abner Salgado
+//
+// 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.
+//
+//---------------------------- anisotropic_crash.cc ---------------------------
+
+
+// Trying to catch a bug in the construction of patches when
+// there is anisotropic refinement
+
+
+#include <deal.II/grid/tria.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/grid_refinement.h>
+#include <deal.II/grid/grid_tools.h>
+
+#include <deal.II/dofs/dof_handler.h>
+#include <deal.II/fe/fe_q.h>
+
+/// to generate random numbers
+#include <cstdlib>
+
+using namespace dealii;
+
+int main(){
+ /// Create triangulation, DOF handler and finite element space
+ Triangulation<2> tri;
+ DoFHandler<2> dh( tri );
+ FE_Q<2> fe(1);
+ GridGenerator::hyper_cube( tri );
+ tri.refine_global( 2 );
+ const unsigned n_cycles = 8;
+ for( unsigned i=0; i<n_cycles; ++i ){
+ /// Construct the finite element space
+ dh.distribute_dofs( fe );
+ /// For each vertex find the patch
+ const unsigned n_dofs = dh.n_dofs(), n_vert = tri.n_used_vertices();
+ std::vector< Point<2> > vertices = tri.get_vertices();
+ for( unsigned v=0; v< n_vert; ++v ){
+ std::vector< DoFHandler<2>::active_cell_iterator > patch
+ = GridTools::find_cells_adjacent_to_vertex( dh, v );
+ }
+ /// loop over cells and randomly refine
+ DoFHandler<2>::active_cell_iterator cell = dh.begin_active(), end = dh.end();
+ for( ; cell != end; ++cell ){
+ int random = rand()%4;
+ /// If random is 0 or 1 we cut x or y, resp.
+ if( random < 2 )
+ cell->set_refine_flag( RefinementCase<2>::cut_axis( random ) );
+ /// If random is 2 we refine isotropically
+ if( random == 2 )
+ cell->set_refine_flag();
+ /// If random is 3 we don't refine
+ }
+ /// refine the mesh
+ tri.prepare_coarsening_and_refinement();
+ tri.execute_coarsening_and_refinement();
+ }
+ dh.clear();
+ return 0;
+}
--- /dev/null
+
+DEAL::Checking Q1 in 1d:
+DEAL::Checking Q1 in 2d:
+DEAL::Checking Q1 in 3d:
+DEAL::Checking Q2 in 1d:
+DEAL::Checking Q2 in 2d:
+DEAL::Checking Q2 in 3d:
+DEAL::Checking Q3 in 1d:
+DEAL::Checking Q3 in 2d:
+DEAL::Checking Q3 in 3d:
+DEAL::Checking DGQ0 in 1d:
+DEAL::Checking DGQ0 in 2d:
+DEAL::Checking DGQ0 in 3d:
+DEAL::Checking DGQ1 in 1d:
+DEAL::Checking DGQ1 in 2d:
+DEAL::Checking DGQ1 in 3d:
+DEAL::Checking DGQ3 in 1d:
+DEAL::Checking DGQ3 in 2d:
+DEAL::Checking DGQ3 in 3d:
+DEAL::Checking DGP0 in 1d:
+DEAL::Checking DGP0 in 2d:
+DEAL::Checking DGP0 in 3d:
+DEAL::Checking DGP1 in 1d:
+DEAL::Checking DGP1 in 2d:
+DEAL::Checking DGP1 in 3d:
+DEAL::Checking DGP3 in 1d:
+DEAL::Checking DGP3 in 2d:
+DEAL::Checking DGP3 in 3d:
+DEAL::Checking Nedelec1 in 2d:
+DEAL::Checking Nedelec1 in 3d:
+DEAL::Checking RaviartThomas0 in 2d:
+DEAL::4
+DEAL::1
+DEAL:cg::Starting value 1.2
+DEAL:cg::Convergence step 10 value 0
+DEAL::L2_Error : 0
+DEAL::Checking RaviartThomas1 in 2d:
+DEAL::8
+DEAL::2
+DEAL:cg::Starting value 1.4
+DEAL:cg::Convergence step 12 value 0
+DEAL::L2_Error : 0
+DEAL::Checking RaviartThomas2 in 2d:
+DEAL::12
+DEAL::2
+DEAL:cg::Starting value 1.4
+DEAL:cg::Convergence step 14 value 0
+DEAL::L2_Error : 0
+DEAL::Checking RaviartThomasNodal0 in 2d:
+DEAL::4
+DEAL::1
+DEAL:cg::Starting value 0.49
+DEAL:cg::Convergence step 10 value 0
+DEAL::L2_Error : 0
+DEAL::Checking RaviartThomasNodal1 in 2d:
+DEAL::8
+DEAL::2
+DEAL:cg::Starting value 0.29
+DEAL:cg::Convergence step 12 value 0
+DEAL::L2_Error : 0
+DEAL::Checking RaviartThomasNodal2 in 2d:
+DEAL::12
+DEAL::3
+DEAL:cg::Starting value 0.23
+DEAL:cg::Convergence step 16 value 0
+DEAL::L2_Error : 0
+DEAL::Checking RaviartThomasNodal0 in 3d:
+DEAL::16
+DEAL::1
+DEAL:cg::Starting value 0.47
+DEAL:cg::Convergence step 9 value 0
+DEAL::L2_Error : 0
+DEAL::Checking RaviartThomasNodal1 in 3d:
+DEAL::64
+DEAL::4
+DEAL:cg::Starting value 0.20
+DEAL:cg::Convergence step 12 value 0
+DEAL::L2_Error : 0
+DEAL::Checking RaviartThomasNodal2 in 3d:
+DEAL::144
+DEAL::9
+DEAL:cg::Starting value 0.13
+DEAL:cg::Convergence step 15 value 0
+DEAL::L2_Error : 0
+DEAL::Checking FE_Q<1>(1)3 in 1d:
+DEAL::Checking FE_DGQ<1>(2)2 in 1d:
+DEAL::Checking FE_DGP<1>(3)1 in 1d:
+DEAL::Checking FE_Q<2>(1)3 in 2d:
+DEAL::Checking FE_DGQ<2>(2)2 in 2d:
+DEAL::Checking FE_DGP<2>(3)1 in 2d:
+DEAL::Checking FE_Q<3>(1)3 in 3d:
+DEAL::Checking FE_DGQ<3>(2)2 in 3d:
+DEAL::Checking FE_DGP<3>(3)1 in 3d:
+DEAL::Checking FE_Q<1>(1)3FE_DGQ<1>(2)2 in 1d:
+DEAL::Checking FE_DGQ<1>(2)2FE_DGP<1>(3)1 in 1d:
+DEAL::Checking FE_DGP<1>(3)1FE_DGQ<1>(2)2 in 1d:
+DEAL::Checking FE_Q<2>(1)3FE_DGQ<2>(2)2 in 2d:
+DEAL::Checking FE_DGQ<2>(2)2FE_DGP<2>(3)1 in 2d:
+DEAL::Checking FE_DGP<2>(3)1FE_DGQ<2>(2)2 in 2d:
+DEAL::Checking FE_Q<1>(1)3FE_DGP<1>(3)1FE_Q<1>(1)3 in 1d:
+DEAL::Checking FE_DGQ<1>(2)2FE_DGQ<1>(2)2FE_Q<1>(3)3 in 1d:
+DEAL::Checking FE_DGP<1>(3)1FE_DGP<1>(3)1FE_Q<1>(2)3 in 1d:
+DEAL::Checking FE_Q<2>(1)3FE_DGP<2>(3)1FE_Q<2>(1)3 in 2d:
+DEAL::Checking FE_DGQ<2>(2)2FE_DGQ<2>(2)2FE_Q<2>(3)3 in 2d:
+DEAL::Checking FE_DGP<2>(3)1FE_DGP<2>(3)1FE_Q<2>(2)3 in 2d:
+DEAL::Checking FE_DGQ<3>(1)3FE_DGP<3>(3)1FE_Q<3>(1)3 in 3d:
+DEAL::Checking (FESystem<2>(FE_Q<2>(1),3))3FE_DGQ<2>(0)1FE_Q<2>(1)3 in 2d:
+DEAL::Checking FE_DGQ<2>(3)1FESystem<2>(FE_DGQ<2>(0),3)1FESystem<2>(FE_Q<2>(2),1, FE_DGQ<2>(0),1)2 in 2d:
+DEAL::Checking FE_DGQ<2>(3)1FE_Nedelec<2>(1)2 in 2d:
+DEAL::Checking FE_Nedelec<2>(1)1FESystem<2>(FE_DGQ<2>(1),2)1FESystem<2>(FE_Q<2>(2),1, FE_Nedelec<2>(1),2)2 in 2d: