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cs_block_to_part.h
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1 #ifndef __CS_BLOCK_TO_PART_H__
2 #define __CS_BLOCK_TO_PART_H__
3 
4 /*============================================================================
5  * Convert between block distribution and general domain partition.
6  *============================================================================*/
7 
8 /*
9  This file is part of code_saturne, a general-purpose CFD tool.
10 
11  Copyright (C) 1998-2023 EDF S.A.
12 
13  This program is free software; you can redistribute it and/or modify it under
14  the terms of the GNU General Public License as published by the Free Software
15  Foundation; either version 2 of the License, or (at your option) any later
16  version.
17 
18  This program is distributed in the hope that it will be useful, but WITHOUT
19  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
20  FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
21  details.
22 
23  You should have received a copy of the GNU General Public License along with
24  this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
25  Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 */
27 
28 /*----------------------------------------------------------------------------*/
29 
30 #if defined(HAVE_MPI)
31 #include <mpi.h>
32 #endif
33 
34 /*----------------------------------------------------------------------------
35  * Local headers
36  *----------------------------------------------------------------------------*/
37 
38 #include "cs_defs.h"
39 #include "cs_block_dist.h"
40 
41 /*----------------------------------------------------------------------------*/
42 
44 
45 /*=============================================================================
46  * Macro definitions
47  *============================================================================*/
48 
49 /*============================================================================
50  * Type definitions
51  *============================================================================*/
52 
53 /*=============================================================================
54  * Public function prototypes
55  *============================================================================*/
56 
57 #if defined(HAVE_MPI)
58 
59 /*----------------------------------------------------------------------------*/
98 /*----------------------------------------------------------------------------*/
99 
102  cs_block_dist_info_t block,
103  cs_block_dist_info_t adjacent_block,
104  int stride,
105  const cs_gnum_t adjacency[],
106  const int adjacent_ent_rank[],
107  const int default_rank[],
108  cs_lnum_t *n_part_elts,
109  cs_gnum_t **part_gnum);
110 
111 #endif /* defined(HAVE_MPI) */
112 
113 /*----------------------------------------------------------------------------*/
138 /*----------------------------------------------------------------------------*/
139 
140 void
142  cs_lnum_t base,
143  cs_lnum_t global_list_size,
144  bool global_list_is_sorted,
145  const cs_gnum_t global_list[],
146  const cs_gnum_t global_number[],
147  cs_lnum_t local_number[]);
148 
149 /*----------------------------------------------------------------------------*/
150 
152 
153 #endif /* __CS_BLOCK_TO_PART_H__ */
struct _cs_all_to_all_t cs_all_to_all_t
Definition: cs_all_to_all.h:78
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)
Initialize block to partition distributor with block data using strided adjacency array.
Definition: cs_block_to_part.c:124
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[])
Determine local references from references to global numbers.
Definition: cs_block_to_part.c:358
#define BEGIN_C_DECLS
Definition: cs_defs.h:509
unsigned long cs_gnum_t
global mesh entity number
Definition: cs_defs.h:298
#define END_C_DECLS
Definition: cs_defs.h:510
int cs_lnum_t
local mesh entity id
Definition: cs_defs.h:313
Definition: cs_block_dist.h:50