Shards_CellTopologyData.h

// @HEADER
// *****************************************************************************
//                Shards : Shared Discretization Tools
//
// Copyright 2008-2011 NTESS and the Shards contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef Shards_CellTopologyData_h
#define Shards_CellTopologyData_h

#if defined( __cplusplus )
extern "C" {
#endif

/*----------------------------------------------------------------------*/
 
struct CellTopologyData ;
struct CellTopologyData_Subcell ;
struct CellTopologyData_Permutation ;

struct CellTopologyData {
  const struct CellTopologyData * base ;

  const char * name ;

  unsigned key ;

  unsigned dimension ;

  unsigned vertex_count ;

  unsigned node_count ;

  unsigned edge_count ;

  unsigned side_count ;

  unsigned permutation_count ;

  unsigned subcell_homogeneity[4] ;

  unsigned subcell_count[4] ;

  const struct CellTopologyData_Subcell * subcell[4] ;

  const struct CellTopologyData_Subcell * side ;

  const struct CellTopologyData_Subcell * edge ;

  const struct CellTopologyData_Permutation * permutation ;
  const struct CellTopologyData_Permutation * permutation_inverse ;
};

struct CellTopologyData_Subcell {
  const struct CellTopologyData * topology ;

  const unsigned * node ;
};

typedef struct CellTopologyData  CellTopologyData ;

struct CellTopologyData_Permutation {
  const unsigned * node ;
  unsigned         polarity ;
};

enum {
  CELL_PERMUTATION_POLARITY_IRRELEVANT = 0 ,
  CELL_PERMUTATION_POLARITY_POSITIVE   = 1 ,
  CELL_PERMUTATION_POLARITY_NEGATIVE   = 2
};

extern
int mapCellFaceEdge( const CellTopologyData * cell_topology ,
                     unsigned face_ordinal ,
                     unsigned face_edge_ordinal );

#if defined( __cplusplus )
} /* extern "C" */
#endif

#endif /* Shards_CellTopologyData_h */