/* Copyright 2004,2007 ENSEIRB, INRIA & CNRS
**
** This file is part of the Scotch software package for static mapping,
** graph partitioning and sparse matrix ordering.
**
** This software is governed by the CeCILL-C license under French law
** and abiding by the rules of distribution of free software. You can
** use, modify and/or redistribute the software under the terms of the
** CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
** URL: "http://www.cecill.info".
** 
** As a counterpart to the access to the source code and rights to copy,
** modify and redistribute granted by the license, users are provided
** only with a limited warranty and the software's author, the holder of
** the economic rights, and the successive licensors have only limited
** liability.
** 
** In this respect, the user's attention is drawn to the risks associated
** with loading, using, modifying and/or developing or reproducing the
** software by the user in light of its specific status of free software,
** that may mean that it is complicated to manipulate, and that also
** therefore means that it is reserved for developers and experienced
** professionals having in-depth computer knowledge. Users are therefore
** encouraged to load and test the software's suitability as regards
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** 
** The fact that you are presently reading this means that you have had
** knowledge of the CeCILL-C license and that you accept its terms.
*/
/************************************************************/
/**                                                        **/
/**   NAME       : hmesh_hgraph.h                          **/
/**                                                        **/
/**   AUTHOR     : Francois PELLEGRINI                     **/
/**                                                        **/
/**   FUNCTION   : These lines are the data declarations   **/
/**                for the source halo mesh to source halo **/
/**                graph building routine.                 **/
/**                                                        **/
/**   DATES      : # Version 4.0  : from : 30 nov 2003     **/
/**                                 to     30 nov 2003     **/
/**                                                        **/
/************************************************************/

/*
**  The defines.
*/

/** Prime number for cache-friendly perturbations. **/

#define HMESHHGRAPHHASHPRIME        37            /* Prime number */

/*
**  The type and structure definitions.
*/

/*+ A table made of such elements is used during
    graph building to build the edge array of the
    graph from the one of the mesh.               +*/

typedef struct HmeshHgraphHash_ {
  Gnum                      vertnum;              /*+ Origin vertex (i.e. pass) number in mesh +*/
  Gnum                      vertend;              /*+ End vertex number in mesh                +*/
} HmeshHgraphHash;