shards Version of the Day
Shards_CellTopologyData.h
00001 /*
00002 //@HEADER
00003 // ************************************************************************
00004 //
00005 //                Shards : Shared Discretization Tools
00006 //                 Copyright 2008 Sandia Corporation
00007 //
00008 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00009 // the U.S. Government retains certain rights in this software.
00010 //
00011 // Redistribution and use in source and binary forms, with or without
00012 // modification, are permitted provided that the following conditions are
00013 // met:
00014 //
00015 // 1. Redistributions of source code must retain the above copyright
00016 // notice, this list of conditions and the following disclaimer.
00017 //
00018 // 2. Redistributions in binary form must reproduce the above copyright
00019 // notice, this list of conditions and the following disclaimer in the
00020 // documentation and/or other materials provided with the distribution.
00021 //
00022 // 3. Neither the name of the Corporation nor the names of the
00023 // contributors may be used to endorse or promote products derived from
00024 // this software without specific prior written permission.
00025 //
00026 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00027 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00029 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00030 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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00032 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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00035 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00036 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 //
00038 // Questions? Contact Carter Edwards (hcedwar@sandia.gov),
00039 //                    Pavel Bochev (pbboche@sandia.gov), or
00040 //                    Denis Ridzal (dridzal@sandia.gov).
00041 //
00042 // ************************************************************************
00043 //@HEADER
00044 */
00045 
00046 #ifndef Shards_CellTopologyData_h
00047 #define Shards_CellTopologyData_h
00048 
00049 #if defined( __cplusplus )
00050 extern "C" {
00051 #endif
00052 
00057 /*----------------------------------------------------------------------*/
00058  
00059 struct CellTopologyData ;
00060 struct CellTopologyData_Subcell ;
00061 struct CellTopologyData_Permutation ;
00062 
00075 struct CellTopologyData {
00079   const struct CellTopologyData * base ;
00080 
00082   const char * name ;
00083 
00085   unsigned key ;
00086 
00088   unsigned dimension ;
00089 
00091   unsigned vertex_count ;
00092 
00097   unsigned node_count ;
00098 
00100   unsigned edge_count ;
00101 
00103   unsigned side_count ;
00104 
00106   unsigned permutation_count ;
00107 
00109   unsigned subcell_homogeneity[4] ;
00110 
00112   unsigned subcell_count[4] ;
00113 
00120   const struct CellTopologyData_Subcell * subcell[4] ;
00121 
00128   const struct CellTopologyData_Subcell * side ;
00129 
00136   const struct CellTopologyData_Subcell * edge ;
00137 
00154   const struct CellTopologyData_Permutation * permutation ;
00155   const struct CellTopologyData_Permutation * permutation_inverse ;
00156 };
00157 
00166 struct CellTopologyData_Subcell {
00168   const struct CellTopologyData * topology ;
00169 
00172   const unsigned * node ;
00173 };
00174 
00176 typedef struct CellTopologyData  CellTopologyData ;
00177 
00194 struct CellTopologyData_Permutation {
00195   const unsigned * node ;
00196   unsigned         polarity ;
00197 };
00198 
00200 enum {
00201   CELL_PERMUTATION_POLARITY_IRRELEVANT = 0 ,
00202   CELL_PERMUTATION_POLARITY_POSITIVE   = 1 ,
00203   CELL_PERMUTATION_POLARITY_NEGATIVE   = 2
00204 };
00205 
00209 extern
00210 int mapCellFaceEdge( const CellTopologyData * cell_topology ,
00211                      unsigned face_ordinal ,
00212                      unsigned face_edge_ordinal );
00213 
00216 #if defined( __cplusplus )
00217 } /* extern "C" */
00218 #endif
00219 
00220 #endif /* Shards_CellTopologyData_h */
00221 
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