/[escript]/branches/arrayview_from_1695_trunk/finley/src/Assemble_AverageElementData.c
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Contents of /branches/arrayview_from_1695_trunk/finley/src/Assemble_AverageElementData.c

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Revision 1116 - (show annotations)
Mon Apr 23 03:36:34 2007 UTC (12 years, 4 months ago) by gross
Original Path: trunk/finley/src/Assemble_AverageElementData.c
File MIME type: text/plain
File size: 3893 byte(s)
Interporpolation from full to reduced integration order added.


1 /*
2 ************************************************************
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 */
12 /**************************************************************/
13
14 /* assemblage routines: copies data between elements */
15
16 /**************************************************************/
17
18 /* author: gross@access.edu.au */
19 /* Version: $Id$ */
20
21 /**************************************************************/
22
23 #include "Assemble.h"
24 #include "Util.h"
25 #ifdef _OPENMP
26 #include <omp.h>
27 #endif
28 /******************************************************************************************************/
29
30
31 void Finley_Assemble_AverageElementData(Finley_ElementFile* elements,escriptDataC* out,escriptDataC* in) {
32 dim_t n,q, numElements, numQuad_in, numQuad_out, i;
33 double *in_array,*out_array, vol, volinv, *wq;
34 register double rtmp;
35 dim_t numComps=getDataPointSize(out);
36
37 Finley_resetError();
38 if( elements == NULL )
39 {
40 return;
41 }
42
43 numElements=elements->numElements;
44 if (Finley_Assemble_reducedIntegrationOrder(in)) {
45 numQuad_in=elements->ReferenceElementReducedOrder->numQuadNodes;
46 wq=elements->ReferenceElementReducedOrder->QuadWeights;
47 } else {
48 numQuad_in=elements->ReferenceElement->numQuadNodes;
49 wq=elements->ReferenceElement->QuadWeights;
50 }
51 if (Finley_Assemble_reducedIntegrationOrder(out)) {
52 numQuad_out=elements->ReferenceElementReducedOrder->numQuadNodes;
53 } else {
54 numQuad_out=elements->ReferenceElement->numQuadNodes;
55 }
56
57 /* check out and in */
58 if (numComps!=getDataPointSize(in)) {
59 Finley_setError(TYPE_ERROR,"Finley_Assemble_AverageElementData: number of components of input and output Data do not match.");
60 } else if (!numSamplesEqual(in,numQuad_in,numElements)) {
61 Finley_setError(TYPE_ERROR,"Finley_Assemble_AverageElementData: illegal number of samples of input Data object");
62 } else if (!numSamplesEqual(out,numQuad_out,numElements)) {
63 Finley_setError(TYPE_ERROR,"Finley_Assemble_AverageElementData: illegal number of samples of output Data object");
64 } else if (!isExpanded(out)) {
65 Finley_setError(TYPE_ERROR,"Finley_Assemble_AverageElementData: expanded Data object is expected for output data.");
66 }
67
68 /* now we can start */
69
70 if (Finley_noError()) {
71 if (isExpanded(in)) {
72 vol=0;
73 for (q=0; q< numQuad_in;++q) vol+=wq[q];
74 volinv=1./vol;
75 # pragma omp parallel for private(n, i, rtmp, q, in_array, out_array) schedule(static)
76 for (n=0;n<numElements;n++) {
77 in_array=getSampleData(in,n);
78 out_array=getSampleData(out,n);
79 for (i=0; i<numComps; ++i) {
80 rtmp=0;
81 for (q=0; q< numQuad_in;++q) rtmp+=in_array[INDEX2(i,q,numComps)]*wq[q];
82 rtmp*=volinv;
83 for (q=0; q< numQuad_out;++q) out_array[INDEX2(i,q,numComps)]=rtmp;
84 }
85 }
86 } else {
87 # pragma omp parallel for private(q,n,out_array,in_array) schedule(static)
88 for (n=0;n<numElements;n++) {
89 in_array=getSampleData(in,n);
90 out_array=getSampleData(out,n);
91 for (q=0;q<numQuad_out;q++) Finley_copyDouble(numComps,in_array,out_array+q*numComps);
92 }
93 }
94 }
95 return;
96 }

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