/[escript]/trunk/finley/src/ElementFile_allocTable.c
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Contents of /trunk/finley/src/ElementFile_allocTable.c

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Revision 82 - (show annotations)
Tue Oct 26 06:53:54 2004 UTC (15 years ago) by jgs
Original Path: trunk/esys2/finley/src/finleyC/ElementFile_allocTable.c
File MIME type: text/plain
File size: 2373 byte(s)
Initial revision

1 /* $Id$ */
2 /**************************************************************/
3
4 /* Finley: ElementFile */
5
6 /* allocates and deallocates element table */
7
8 /**************************************************************/
9
10 /* Copyrights by ACcESS Australia 2003 */
11 /* Author: gross@access.edu.au */
12 /* Version: $Id$ */
13
14 /**************************************************************/
15
16 #include "Finley.h"
17 #include "ElementFile.h"
18
19 /****************************************************************************/
20
21 /* allocates the element table within an element file to hold numElements: */
22
23 void Finley_ElementFile_allocTable(Finley_ElementFile* in,int numElements) {
24 maybelong *Id2=NULL,*Nodes2=NULL,*Tag2=NULL,*Color2=NULL;
25 maybelong numNodes,e,i;
26
27 /* allocate memory: */
28
29 numNodes=(maybelong) in->ReferenceElement->Type->numNodes;
30 Id2=(maybelong*) MEMALLOC(numElements*sizeof(maybelong));
31 Nodes2=(maybelong*) MEMALLOC(numElements*numNodes*sizeof(maybelong));
32 Tag2=(maybelong*) MEMALLOC(numElements*sizeof(maybelong));
33 Color2=(maybelong*) MEMALLOC(numElements*sizeof(maybelong));
34
35 /* if fine, deallocate the old table and replace by new: */
36
37 if (Finley_checkPtr(Id2) || Finley_checkPtr(Nodes2) || Finley_checkPtr(Tag2) || Finley_checkPtr(Color2)) {
38 MEMFREE(Id2);
39 MEMFREE(Nodes2);
40 MEMFREE(Tag2);
41 MEMFREE(Color2);
42 } else {
43 Finley_ElementFile_deallocTable(in);
44 in->numElements=numElements;
45 in->Id=Id2;
46 in->Nodes=Nodes2;
47 in->Tag=Tag2;
48 in->Color=Color2;
49
50 /* this initialization makes sure that data are located on the right processor */
51
52 #pragma omp parallel for private(e,i) schedule(static)
53 for (e=0;e<numElements;e++) {
54 for (i=0;i<numNodes;i++) in->Nodes[INDEX2(i,e,numNodes)]=-1;
55 in->Id[e]=-1;
56 in->Tag[e]=-1;
57 in->Color[e]=-1;
58 }
59 in->numColors=0;
60 }
61 return;
62 }
63
64 /* deallocates the element table within an element file: */
65
66 void Finley_ElementFile_deallocTable(Finley_ElementFile* in) {
67 MEMFREE(in->Id);
68 MEMFREE(in->Nodes);
69 MEMFREE(in->Tag);
70 MEMFREE(in->Color);
71 in->numElements=0;
72 in->numColors=0;
73 }
74
75 /*
76 * $Log$
77 * Revision 1.1 2004/10/26 06:53:57 jgs
78 * Initial revision
79 *
80 * Revision 1.1.1.1 2004/06/24 04:00:40 johng
81 * Initial version of eys using boost-python.
82 *
83 *
84 */

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