/* 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".
** 
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** the economic rights, and the successive licensors have only limited
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** 
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** 
** The fact that you are presently reading this means that you have had
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*/
/************************************************************/
/**                                                        **/
/**   NAME       : bgraph_bipart_df.h                      **/
/**                                                        **/
/**   AUTHOR     : Francois PELLEGRINI                     **/
/**                                                        **/
/**   FUNCTION   : This module contains the function       **/
/**                declarations for the diffusion scheme   **/
/**                bipartitioning method.                  **/
/**                                                        **/
/**   DATES      : # Version 5.0  : from : 09 jan 2007     **/
/**                                 to     28 may 2007     **/
/**                # Version 5.1  : from : 29 oct 2007     **/
/**                                 to     23 dec 2007     **/
/**                                                        **/
/************************************************************/

/*
**  The defines.
*/

/* Small non-zero float value. */

#define BGRAPHBIPARTDFEPSILON       (1.0F / (float) (GNUMMAX))

/*+ Sign masking operator. +*/

#define BGRAPHBIPARTDFGNUMSGNMSK(i) ((Gnum) 0 - (((Gunum) (i)) >> (sizeof (Gnum) * 8 - 1)))

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

/** Method parameters. **/

typedef struct BgraphBipartDfParam_ {
  INT                       passnbr;              /*+ Number of passes to do        +*/
  double                    cdifval;              /*+ Coefficient of diffused load  +*/
  double                    cremval;              /*+ Coefficient of remaining load +*/
} BgraphBipartDfParam;

/*
**  The function prototypes.
*/

#ifndef BGRAPH_BIPART_DF
#define static
#endif

int                         bgraphBipartDf      (Bgraph * restrict const, const BgraphBipartDfParam * const);

#undef static