/[escript]/trunk/finley/src/ElementFile_scatter.c
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Annotation of /trunk/finley/src/ElementFile_scatter.c

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Revision 782 - (hide annotations)
Tue Jul 18 00:47:47 2006 UTC (13 years, 4 months ago) by bcumming
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File size: 3111 byte(s)
Large number of changes to Finley for meshing in MPI.

- optimisation and neatening up of rectcanglular mesh generation code
- first and second order 1D, 2D and 3D rectangular meshes are now
  available in finley and escript using MPI.
- reduced meshes now generated in MPI, and interpolation to and from 
  reduced data types now supported.  

1 jgs 150 /*
2 elspeth 616 ************************************************************
3     * Copyright 2006 by ACcESS MNRF *
4     * *
5     * http://www.access.edu.au *
6     * Primary Business: Queensland, Australia *
7     * Licensed under the Open Software License version 3.0 *
8     * http://www.opensource.org/licenses/osl-3.0.php *
9     * *
10     ************************************************************
11 jgs 150 */
12    
13 jgs 82 /**************************************************************/
14     /* */
15     /* Finley: ElementFile */
16     /* */
17     /* scatter the ElementFile in into the ElementFile out using index[0:out->numElements-1]. */
18     /* index has to be between 0 and in->numElements-1. */
19     /* a conservative assumtion on the coloring is made */
20     /* */
21     /**************************************************************/
22    
23 jgs 150 /* Author: gross@access.edu.au */
24     /* Version: $Id$ */
25 jgs 82
26     /**************************************************************/
27    
28     #include "ElementFile.h"
29    
30     /**************************************************************/
31    
32 jgs 123 void Finley_ElementFile_scatter(index_t* index, Finley_ElementFile* in, Finley_ElementFile* out) {
33     index_t k;
34     dim_t e,j;
35 jgs 82 if (in!=NULL) {
36 jgs 123 dim_t NN_in=in->ReferenceElement->Type->numNodes;
37     dim_t NN_out=out->ReferenceElement->Type->numNodes;
38 jgs 82 /*OMP */
39     #pragma omp parallel for private(e,k,j) schedule(static)
40     for (e=0;e<in->numElements;e++) {
41     k=index[e];
42 bcumming 782 #ifdef PASO_MPI
43     out->Dom[k]=in->Dom[e];
44     #endif
45 jgs 82 out->Id[k]=in->Id[e];
46     out->Tag[k]=in->Tag[e];
47 jgs 123 out->Color[k]=in->Color[e]+out->maxColor+1;
48 jgs 82 for(j=0;j<MIN(NN_out,NN_in);j++) out->Nodes[INDEX2(j,k,NN_out)]=in->Nodes[INDEX2(j,e,NN_in)];
49     }
50 jgs 123 out->minColor=MIN(out->minColor,in->minColor+out->maxColor+1);
51     out->maxColor=MAX(out->maxColor,in->maxColor+out->maxColor+1);
52 jgs 82 }
53     }
54     /*
55     * $Log$
56 jgs 150 * Revision 1.3 2005/09/15 03:44:22 jgs
57     * Merge of development branch dev-02 back to main trunk on 2005-09-15
58     *
59     * Revision 1.2.2.1 2005/09/07 06:26:18 gross
60     * the solver from finley are put into the standalone package paso now
61     *
62 jgs 123 * Revision 1.2 2005/07/08 04:07:50 jgs
63     * Merge of development branch back to main trunk on 2005-07-08
64 jgs 82 *
65 jgs 123 * Revision 1.1.1.1.2.2 2005/06/30 01:53:55 gross
66     * a bug in coloring fixed
67     *
68     * Revision 1.1.1.1.2.1 2005/06/29 02:34:50 gross
69     * some changes towards 64 integers in finley
70     *
71     * Revision 1.1.1.1 2004/10/26 06:53:57 jgs
72     * initial import of project esys2
73     *
74 jgs 82 * Revision 1.1.1.1 2004/06/24 04:00:40 johng
75     * Initial version of eys using boost-python.
76     *
77     *
78     */

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