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

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Revision 616 - (hide annotations)
Wed Mar 22 02:46:56 2006 UTC (13 years, 6 months ago) by elspeth
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File size: 6243 byte(s)
Copyright added to more source files.

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    
15     /* assemblage routines: integrates data on quadrature points */
16    
17     /**************************************************************/
18    
19 jgs 150 /* Copyrights by ACcESS Australia 2003,2004,2005 */
20     /* Author: gross@access.edu.au */
21     /* version: $Id$ */
22 jgs 82
23     /**************************************************************/
24    
25     #include "Assemble.h"
26     #include "Util.h"
27     #ifdef _OPENMP
28     #include <omp.h>
29     #endif
30    
31     /**************************************************************/
32    
33     void Finley_Assemble_integrate(Finley_NodeFile* nodes, Finley_ElementFile* elements,escriptDataC* data,double* out) {
34 jgs 123 type_t datacase;
35     index_t node_offset;
36     dim_t q,e,i;
37 jgs 82 double *local_X, *dVdv, *Vol,*out_local,*data_array,rtmp;
38     if (nodes==NULL || elements==NULL) return;
39 jgs 123 dim_t NN=elements->ReferenceElement->Type->numNodes;
40     dim_t NS=elements->ReferenceElement->Type->numShapes;
41     type_t data_type=getFunctionSpaceType(data);
42     dim_t numComps=getDataPointSize(data);
43     dim_t numQuad=elements->ReferenceElement->numQuadNodes;
44     dim_t numDim=nodes->numDim;
45     dim_t numDim_local=elements->ReferenceElement->Type->numDim;
46 jgs 150 Finley_resetError();
47 jgs 82
48     /* set some parameter */
49    
50     if (data_type==FINLEY_ELEMENTS) {
51     datacase=0;
52     node_offset=0;
53     } else if (data_type==FINLEY_FACE_ELEMENTS) {
54     datacase=1;
55     node_offset=0;
56     } else if (data_type==FINLEY_CONTACT_ELEMENTS_1) {
57     datacase=1;
58     node_offset=0;
59     } else if (data_type==FINLEY_CONTACT_ELEMENTS_2) {
60     datacase=1;
61     node_offset=NN-NS;
62     } else {
63 jgs 150 Finley_setError(TYPE_ERROR,"__FILE__: integration of data is not possible.");
64 jgs 82 }
65    
66     /* check the shape of the data */
67    
68     if (! numSamplesEqual(data,numQuad,elements->numElements)) {
69 jgs 150 Finley_setError(TYPE_ERROR,"__FILE__: illegal number of samples of integrant kernel Data object");
70 jgs 82 }
71    
72     /* now we can start */
73    
74 jgs 150 if (Finley_noError()) {
75 jgs 82 for (q=0;q<numComps;q++) out[q]=0;
76     #pragma omp parallel private(local_X,dVdv,Vol,out_local,i)
77     {
78    
79     /* allocation of work arrays */
80    
81     local_X=dVdv=Vol=out_local=NULL;
82 jgs 102 out_local=THREAD_MEMALLOC(numComps,double);
83     dVdv=THREAD_MEMALLOC(numQuad*numDim_local*numDim,double);
84     Vol=THREAD_MEMALLOC(numQuad,double);
85     local_X=THREAD_MEMALLOC(NS*numDim,double);
86 jgs 82
87     if (! (Finley_checkPtr(Vol) || Finley_checkPtr(local_X) || Finley_checkPtr(dVdv) || Finley_checkPtr(out_local))) {
88    
89     /* initialize local result */
90    
91     for (i=0;i<numComps;i++) out_local[i]=0;
92    
93     /* open the element loop */
94    
95     #pragma omp for private(e,q,data_array,rtmp) schedule(static)
96     for(e=0;e<elements->numElements;e++) {
97     /* gather local coordinates of nodes into local_X: */
98     Finley_Util_Gather_double(NS,&(elements->Nodes[INDEX2(node_offset,e,NN)]),numDim,nodes->Coordinates,local_X);
99     /* calculate dVdv(i,j,q)=V(i,k)*DSDv(k,j,q) */
100     Finley_Util_SmallMatMult(numDim,numDim_local*numQuad,dVdv,NS,local_X,elements->ReferenceElement->dSdv);
101     /* calculate volume /area elements */
102     switch (datacase) {
103     case 0:
104     Finley_Util_DetOfSmallMat(numQuad,numDim,dVdv,Vol);
105     break;
106     case 1:
107     Finley_LengthOfNormalVector(numQuad,numDim,numDim_local,dVdv,Vol);
108     break;
109     }
110     /* out=out+ integrals */
111     data_array=getSampleData(data,e);
112     if (isExpanded(data)) {
113     for (q=0;q<numQuad;q++) {
114     rtmp=ABS(Vol[q])*elements->ReferenceElement->QuadWeights[q];
115     for (i=0;i<numComps;i++) out_local[i]+=data_array[INDEX2(i,q,numComps)]*rtmp;
116     }
117     } else {
118     rtmp=0.;
119     for (q=0;q<numQuad;q++) rtmp+=ABS(Vol[q])*elements->ReferenceElement->QuadWeights[q];
120     for (i=0;i<numComps;i++) out_local[i]+=data_array[i]*rtmp;
121     }
122     }
123    
124     /* add local results to global result */
125     #pragma omp critical
126     for (i=0;i<numComps;i++) out[i]+=out_local[i];
127    
128     }
129     THREAD_MEMFREE(local_X);
130     THREAD_MEMFREE(dVdv);
131     THREAD_MEMFREE(Vol);
132     THREAD_MEMFREE(out_local);
133     }
134     }
135     }
136    
137     /*
138     * $Log$
139 jgs 150 * Revision 1.6 2005/09/15 03:44:21 jgs
140     * Merge of development branch dev-02 back to main trunk on 2005-09-15
141     *
142     * Revision 1.5.2.1 2005/09/07 06:26:18 gross
143     * the solver from finley are put into the standalone package paso now
144     *
145 jgs 123 * Revision 1.5 2005/07/08 04:07:48 jgs
146     * Merge of development branch back to main trunk on 2005-07-08
147     *
148 jgs 102 * Revision 1.4 2004/12/15 07:08:32 jgs
149 jgs 97 * *** empty log message ***
150 jgs 123 * Revision 1.1.1.1.2.2 2005/06/29 02:34:48 gross
151     * some changes towards 64 integers in finley
152 jgs 82 *
153 jgs 123 * Revision 1.1.1.1.2.1 2004/11/24 01:37:12 gross
154     * some changes dealing with the integer overflow in memory allocation. Finley solves 4M unknowns now
155 jgs 97 *
156 jgs 82 *
157 jgs 123 *
158 jgs 82 */

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