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

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Revision 1116 - (hide annotations)
Mon Apr 23 03:36:34 2007 UTC (12 years, 5 months ago) by gross
File MIME type: text/plain
File size: 3893 byte(s)
Interporpolation from full to reduced integration order added.


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 jgs 82 /**************************************************************/
13    
14     /* assemblage routines: copies data between elements */
15    
16     /**************************************************************/
17    
18     /* author: gross@access.edu.au */
19     /* Version: $Id$ */
20    
21     /**************************************************************/
22    
23 jgs 150 #include "Assemble.h"
24 jgs 82 #include "Util.h"
25     #ifdef _OPENMP
26     #include <omp.h>
27     #endif
28     /******************************************************************************************************/
29    
30    
31 gross 1116 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 jgs 123 dim_t numComps=getDataPointSize(out);
36 phornby 1030
37 gross 1062 Finley_resetError();
38 phornby 1030 if( elements == NULL )
39     {
40     return;
41     }
42    
43     numElements=elements->numElements;
44 gross 1062 if (Finley_Assemble_reducedIntegrationOrder(in)) {
45 gross 1116 numQuad_in=elements->ReferenceElementReducedOrder->numQuadNodes;
46     wq=elements->ReferenceElementReducedOrder->QuadWeights;
47 gross 1062 } else {
48 gross 1116 numQuad_in=elements->ReferenceElement->numQuadNodes;
49     wq=elements->ReferenceElement->QuadWeights;
50 gross 1062 }
51 gross 1116 if (Finley_Assemble_reducedIntegrationOrder(out)) {
52     numQuad_out=elements->ReferenceElementReducedOrder->numQuadNodes;
53     } else {
54     numQuad_out=elements->ReferenceElement->numQuadNodes;
55     }
56 phornby 1030
57 jgs 82 /* check out and in */
58     if (numComps!=getDataPointSize(in)) {
59 gross 1116 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 jgs 82 } else if (!isExpanded(out)) {
65 gross 1116 Finley_setError(TYPE_ERROR,"Finley_Assemble_AverageElementData: expanded Data object is expected for output data.");
66 jgs 82 }
67    
68     /* now we can start */
69    
70 jgs 150 if (Finley_noError()) {
71 jgs 82 if (isExpanded(in)) {
72 gross 1116 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 jgs 82 } 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 gross 1116 for (q=0;q<numQuad_out;q++) Finley_copyDouble(numComps,in_array,out_array+q*numComps);
92 jgs 82 }
93     }
94     }
95     return;
96     }

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