/[escript]/trunk/paso/src/SharedComponents.h
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Contents of /trunk/paso/src/SharedComponents.h

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Revision 1562 - (show annotations)
Wed May 21 13:04:40 2008 UTC (11 years, 4 months ago) by gross
File MIME type: text/plain
File size: 2420 byte(s)
The algebraic upwinding with MPI. The case of boundary constraint needs still some attention. 


1
2 /* $Id$ */
3
4 /*******************************************************
5 *
6 * Copyright 2003-2007 by ACceSS MNRF
7 * Copyright 2007 by University of Queensland
8 *
9 * http://esscc.uq.edu.au
10 * Primary Business: Queensland, Australia
11 * Licensed under the Open Software License version 3.0
12 * http://www.opensource.org/licenses/osl-3.0.php
13 *
14 *******************************************************/
15
16 /**************************************************************/
17
18 /* Paso: coupler */
19
20 /**************************************************************/
21
22 /* Author: gross@access.edu.au */
23
24 /**************************************************************/
25
26 #ifndef INC_PASO_SHAREDCOMPONENTS
27 #define INC_PASO_SHAREDCOMPONENTS
28
29 #include "Paso_MPI.h"
30 #include "Common.h"
31
32 /**************************************************************/
33
34 typedef struct Paso_SharedComponents {
35
36 dim_t local_length; /* local array length shared */
37
38 dim_t numNeighbors; /* number of processor sharing values with this processor */
39
40 index_t* offsetInShared; /* offsetInSharedInput[i] points to the first input value in array shared
41 for processor i. Has length numNeighbors+1 */
42
43 Paso_MPI_rank* neighbor; /* list of the processor sharing values with this processor */
44
45 index_t* shared; /* list of the (local) componets which is shared with other
46 processors. Has length numSharedComponents */
47
48 dim_t numSharedComponents; /* = offsetInShared[numNeighbors] */
49
50 Paso_MPIInfo *mpi_info;
51 dim_t reference_counter;
52
53 } Paso_SharedComponents;
54
55
56 Paso_SharedComponents* Paso_SharedComponents_alloc(dim_t local_length,
57 dim_t numNeighbors,
58 Paso_MPI_rank* neighbor,
59 index_t* shared,
60 index_t* offsetInShared,
61 index_t m, index_t b,
62 Paso_MPIInfo *mpi_info);
63
64 Paso_SharedComponents* Paso_SharedComponents_getReference(Paso_SharedComponents*);
65 void Paso_SharedComponents_free(Paso_SharedComponents*);
66
67 #endif

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