/[escript]/temp/finley/src/NodeMapping.c
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Contents of /temp/finley/src/NodeMapping.c

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Revision 1387 - (show annotations)
Fri Jan 11 07:45:26 2008 UTC (11 years, 8 months ago) by trankine
File MIME type: text/plain
File size: 2422 byte(s)
Restore the trunk that existed before the windows changes were committed to the (now moved to branches) old trunk.
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 #include "NodeMapping.h"
17 #include "Util.h"
18
19 Finley_NodeMapping* Finley_NodeMapping_alloc(dim_t numNodes, index_t* target, index_t unused)
20 {
21 dim_t i;
22 index_t min_target, numTargets;
23 Finley_NodeMapping* out=NULL;
24 /* allocate the return value */
25 min_target=Finley_Util_getFlaggedMinInt(1,numNodes,target,unused);
26 numTargets=Finley_Util_getFlaggedMaxInt(1,numNodes,target,unused)+1;
27 if (min_target<0) {
28 Finley_setError(VALUE_ERROR,"Finley_NodeMapping_alloc: target has negative entry.");
29 return NULL;
30 }
31 out=MEMALLOC(1,Finley_NodeMapping);
32 if (!Finley_checkPtr(out)) {
33 out->reference_counter=1;
34 out->unused=unused;
35 out->numNodes=numNodes;
36 out->numTargets=numTargets;
37 out->map=MEMALLOC(numTargets,index_t);
38 out->target=MEMALLOC(numNodes,index_t);
39 if (! (Finley_checkPtr(out->target) || Finley_checkPtr(out->map) ) ) {
40 #pragma omp parallel
41 {
42 #pragma omp for private(i)
43 for (i=0; i<numTargets; ++i)out-> map[i]=-1;
44 #pragma omp for private(i)
45 for (i=0;i<numNodes;++i) {
46 out->target[i]=target[i];
47 if (target[i] != unused) out->map[out->target[i]]=i;
48 }
49 #pragma omp for private(i)
50 for (i=0; i<numTargets; ++i) {
51 if (out->map[i]==-1) {
52 Finley_setError(VALUE_ERROR,"Finley_NodeMapping_alloc: target does not define a continuous labeling.");
53 }
54 }
55 }
56 }
57 if (!Finley_noError()) {
58 Finley_NodeMapping_free(out) ;
59 }
60
61 }
62 return out;
63 }
64
65 void Finley_NodeMapping_free(Finley_NodeMapping* in) {
66 if (in != NULL) {
67 in->reference_counter--;
68 if (in->reference_counter<=0) {
69 MEMFREE(in->target);
70 MEMFREE(in->map);
71 MEMFREE(in);
72 }
73 }
74 }
75 Finley_NodeMapping* NodeMapping_getReference(Finley_NodeMapping *in )
76 {
77 if (in != NULL)
78 in->reference_counter++;
79 return in;
80 }

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