/[escript]/trunk/paso/src/Distribution.h
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Annotation of /trunk/paso/src/Distribution.h

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Revision 1310 - (hide annotations)
Mon Sep 24 04:00:47 2007 UTC (12 years ago) by ksteube
File MIME type: text/plain
File size: 2129 byte(s)
A few additions to make trunk match trunk-mpi-branch

1 ksteube 1310
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: system matrix pattern */
19    
20     /**************************************************************/
21    
22     /* Copyrights by ACcESS Australia 2004,2005,2007 */
23     /* Author: gross@access.edu.au */
24    
25     /**************************************************************/
26    
27     #ifndef INC_PASO_DISTRIBUTION
28     #define INC_PASO_DISTRIBUTION
29    
30     #include "Common.h"
31     #include "Paso_MPI.h"
32    
33     /****************************************************
34     describes the distribution of a vector stored
35     on the local process
36     ****************************************************/
37     struct Paso_Distribution
38     {
39     index_t *first_component; /* process i has nodes with global indices first_component[i+1] to first_component[i]. */
40     dim_t reference_counter;
41     Paso_MPIInfo *mpi_info;
42     };
43    
44     typedef struct Paso_Distribution Paso_Distribution;
45    
46     /***************************************
47     Function prototypes
48     **************************************/
49    
50     Paso_Distribution* Paso_Distribution_alloc( Paso_MPIInfo *mpi_info, index_t* first_component, index_t m, index_t b);
51     void Paso_Distribution_free( Paso_Distribution *in );
52     Paso_Distribution* Paso_Distribution_getReference( Paso_Distribution *in );
53     index_t Paso_Distribution_getFirstComponent(Paso_Distribution *in );
54     index_t Paso_Distribution_getLastComponent(Paso_Distribution *in );
55     dim_t Paso_Distribution_getGlobalNumComponents(Paso_Distribution *in );
56     dim_t Paso_Distribution_getMyNumComponents(Paso_Distribution *in );
57     dim_t Paso_Distribution_getMinGlobalComponents(Paso_Distribution *in );
58     dim_t Paso_Distribution_getMaxGlobalComponents(Paso_Distribution *in );
59     #endif

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