/* Copyright 2010 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".
** 
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*/
/************************************************************/
/**                                                        **/
/**   NAME       : bdgraph_bipart_ex.h                     **/
/**                                                        **/
/**   AUTHOR     : Francois PELLEGRINI                     **/
/**                                                        **/
/**   FUNCTION   : These lines are the data declaration    **/
/**                for the parallel load imbalance         **/
/**                minimization bipartitioning routine     **/
/**                for distributed graphs.                 **/
/**                                                        **/
/**   DATES      : # Version 5.1  : from : 14 jul 2010     **/
/**                                 to   : 14 aug 2010     **/
/**                                                        **/
/************************************************************/

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

/*+ This structure holds the method parameters. +*/

typedef struct BdgraphBipartExParam_ {
  INT                       sbbtnbr;              /*+ Number of sub-bits in the distributed gain structure +*/
  double                    deltval;              /*+ Maximum weight imbalance ratio                       +*/
} BdgraphBipartExParam;

/* Sort structure for local vertices. First
   element used for intSort2asc1.           */

typedef struct BdgraphBipartExSort_ {
  Gnum             veloval;                      /* Load per process; TRICK: FIRST              */
  Gnum             prioval;                      /* Priority value, not to sort by process rank */
  Gnum             procnum;                      /* Process number; TRICK: (Gnum) for sorting   */
} BdgraphBipartExSort;

/* Sort structure for individual moves. */

typedef struct BdgraphBipartExMove_ {
  Gnum             veloval;                      /* Load per process; TRICK: FIRST */
  Gnum             vertnum;                      /* Vertex number                  */
} BdgraphBipartExMove;

/*
**  The function prototypes.
*/

#ifndef BDGRAPH_BIPART_EX
#define static
#endif

int                         bdgraphBipartEx     (Bdgraph * restrict const, const BdgraphBipartExParam * restrict const);

#undef static
