cs_block_to_part.h

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#ifndef __CS_BLOCK_TO_PART_H__
#define __CS_BLOCK_TO_PART_H__
 
/*============================================================================
 * Convert between block distribution and general domain partition.
 *============================================================================*/
 
/*
  This file is part of code_saturne, a general-purpose CFD tool.
 
  Copyright (C) 1998-2025 EDF S.A.
 
  This program is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free Software
  Foundation; either version 2 of the License, or (at your option) any later
  version.
 
  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  details.
 
  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
  Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
 
/*----------------------------------------------------------------------------*/
 
#if defined(HAVE_MPI)
#include <mpi.h>
#endif
 
/*----------------------------------------------------------------------------
 *  Local headers
 *----------------------------------------------------------------------------*/
 
#include "base/cs_defs.h"
#include "base/cs_block_dist.h"
 
/*----------------------------------------------------------------------------*/
 
BEGIN_C_DECLS
 
/*=============================================================================
 * Macro definitions
 *============================================================================*/
 
/*============================================================================
 * Type definitions
 *============================================================================*/
 
/*=============================================================================
 * Public function prototypes
 *============================================================================*/
 
#if defined(HAVE_MPI)
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_all_to_all_t *
cs_block_to_part_create_by_adj_s(MPI_Comm               comm,
                                 cs_block_dist_info_t   block,
                                 cs_block_dist_info_t   adjacent_block,
                                 int                    stride,
                                 const cs_gnum_t        adjacency[],
                                 const int              adjacent_ent_rank[],
                                 const int              default_rank[],
                                 cs_lnum_t             *n_part_elts,
                                 cs_gnum_t            **part_gnum);
 
#endif /* defined(HAVE_MPI) */
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_block_to_part_global_to_local(cs_lnum_t        n_ents,
                                 cs_lnum_t        base,
                                 cs_lnum_t        global_list_size,
                                 bool             global_list_is_sorted,
                                 const cs_gnum_t  global_list[],
                                 const cs_gnum_t  global_number[],
                                 cs_lnum_t        local_number[]);
 
/*----------------------------------------------------------------------------*/
 
END_C_DECLS
 
#endif /* __CS_BLOCK_TO_PART_H__ */