/[escript]/branches/domexper/dudley/src/Assemble_interpolate.c
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Annotation of /branches/domexper/dudley/src/Assemble_interpolate.c

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Revision 123 - (hide annotations)
Fri Jul 8 04:08:13 2005 UTC (13 years, 9 months ago) by jgs
Original Path: trunk/esys2/finley/src/finleyC/Assemble_interpolate.c
File MIME type: text/plain
File size: 5930 byte(s)
Merge of development branch back to main trunk on 2005-07-08

1 jgs 82 /* $Id$ */
2    
3     /**************************************************************/
4    
5     /* assemblage routines: interpolates nodal data in a data array onto elements (=integration points) */
6    
7     /**************************************************************/
8    
9     /* Copyrights by ACcESS Australia, 2003,2004 */
10     /* author: gross@access.edu.au */
11     /* Version: $Id$ */
12    
13     /**************************************************************/
14    
15     #include "Common.h"
16     #include "escript/Data/DataC.h"
17     #include "Finley.h"
18     #include "Assemble.h"
19     #include "NodeFile.h"
20     #include "ElementFile.h"
21     #include "Util.h"
22     #ifdef _OPENMP
23     #include <omp.h>
24     #endif
25    
26     /**************************************************************/
27    
28    
29     void Finley_Assemble_interpolate(Finley_NodeFile *nodes, Finley_ElementFile* elements,escriptDataC* data,escriptDataC* interpolated_data) {
30     double* local_data=NULL,*S=NULL,*data_array;
31 jgs 123 index_t dof_offset,*resort_nodes;
32     dim_t q,i,NS_DOF,NN_DOF,numNodes,e;
33     type_t type;
34 jgs 82 #define NODES 0
35     #define DOF 1
36     #define REDUCED_DOF 2
37     if (nodes==NULL || elements==NULL) return;
38 jgs 123 dim_t NN=elements->ReferenceElement->Type->numNodes;
39     dim_t NS=elements->ReferenceElement->Type->numShapes;
40     dim_t numComps=getDataPointSize(data);
41     type_t data_type=getFunctionSpaceType(data);
42     dim_t numQuad=elements->ReferenceElement->numQuadNodes;
43     index_t id[NN];
44 jgs 82 for (i=0;i<NN;i++) id[i]=i;
45    
46     /* set some parameter */
47    
48     if (data_type==FINLEY_NODES) {
49     type=NODES;
50     resort_nodes=id;
51     NN_DOF=elements->ReferenceElement->Type->numNodes;
52     NS_DOF=elements->ReferenceElement->Type->numShapes;
53     S=elements->ReferenceElement->S;
54     numNodes=nodes->numNodes;
55     } else if (data_type==FINLEY_DEGREES_OF_FREEDOM) {
56     type=DOF;
57     resort_nodes=id;
58     NN_DOF=elements->ReferenceElement->Type->numNodes;
59     NS_DOF=elements->ReferenceElement->Type->numShapes;
60     S=elements->ReferenceElement->S;
61     numNodes=nodes->numDegreesOfFreedom;
62     } else if (data_type==FINLEY_REDUCED_DEGREES_OF_FREEDOM) {
63     type=REDUCED_DOF;
64     resort_nodes=elements->ReferenceElement->Type->linearNodes;
65     NN_DOF=elements->LinearReferenceElement->Type->numNodes;
66     NS_DOF=elements->LinearReferenceElement->Type->numShapes;
67     S=elements->LinearReferenceElement->S;
68     numNodes=nodes->reducedNumDegreesOfFreedom;
69     } else {
70     Finley_ErrorCode=TYPE_ERROR;
71     sprintf(Finley_ErrorMsg,"Cannot interpolate data");
72     }
73    
74     if (getFunctionSpaceType(interpolated_data)==FINLEY_CONTACT_ELEMENTS_2) {
75     dof_offset=NN_DOF-NS_DOF;
76     } else {
77     dof_offset=0;
78     }
79    
80     /* check the dimensions of interpolated_data and data */
81    
82     if (! numSamplesEqual(interpolated_data,numQuad,elements->numElements)) {
83     Finley_ErrorCode=TYPE_ERROR;
84     sprintf(Finley_ErrorMsg,"illegal number of samples of output Data object");
85     } else if (! numSamplesEqual(data,1,numNodes)) {
86     Finley_ErrorCode=TYPE_ERROR;
87     sprintf(Finley_ErrorMsg,"illegal number of samples of input Data object");
88     } else if (numComps!=getDataPointSize(interpolated_data)) {
89     Finley_ErrorCode=TYPE_ERROR;
90     sprintf(Finley_ErrorMsg,"number of components of input and interpolated Data do not match.");
91     } else if (!isExpanded(interpolated_data)) {
92     Finley_ErrorCode=TYPE_ERROR;
93     sprintf(Finley_ErrorMsg,"expanded Data object is expected for output data.");
94     }
95    
96     /* now we can start */
97    
98     if (Finley_ErrorCode==NO_ERROR) {
99     #pragma omp parallel private(local_data)
100     {
101     local_data=NULL;
102     /* allocation of work arrays */
103 jgs 102 local_data=THREAD_MEMALLOC(NS*numComps,double);
104 jgs 82 if (! Finley_checkPtr(local_data)) {
105    
106     /* open the element loop */
107    
108     #pragma omp for private(e,q,i,data_array) schedule(static)
109     for(e=0;e<elements->numElements;e++) {
110     /* gather local data into local_data(numComps,NS_DOF): */
111     switch (type) {
112     case NODES:
113     for (q=0;q<NS_DOF;q++) {
114     i=elements->Nodes[INDEX2(resort_nodes[dof_offset+q],e,NN)];
115     data_array=getSampleData(data,i);
116     Finley_copyDouble(numComps,data_array,local_data+q*numComps);
117 jgs 102 }
118 jgs 82 break;
119     case DOF:
120     for (q=0;q<NS_DOF;q++) {
121     i=elements->Nodes[INDEX2(resort_nodes[dof_offset+q],e,NN)];
122     data_array=getSampleData(data,nodes->degreeOfFreedom[i]);
123     Finley_copyDouble(numComps,data_array,local_data+q*numComps);
124     }
125     break;
126     case REDUCED_DOF:
127     for (q=0;q<NS_DOF;q++) {
128     i=elements->Nodes[INDEX2(resort_nodes[dof_offset+q],e,NN)];
129     data_array=getSampleData(data,nodes->reducedDegreeOfFreedom[i]);
130     Finley_copyDouble(numComps,data_array,local_data+q*numComps);
131     }
132     break;
133     }
134    
135     /* calculate interpolated_data=local_data*S */
136    
137     Finley_Util_SmallMatMult(numComps,numQuad,getSampleData(interpolated_data,e),NS_DOF,local_data,S);
138    
139     } /* end of element loop */
140    
141     }
142     THREAD_MEMFREE(local_data);
143 jgs 102 } /* end of parallel region */
144 jgs 82 }
145     #undef NODES
146     #undef DOF
147     #undef REDUCED_DOF
148     }
149     /*
150     * $Log$
151 jgs 123 * Revision 1.5 2005/07/08 04:07:48 jgs
152     * Merge of development branch back to main trunk on 2005-07-08
153     *
154 jgs 102 * Revision 1.4 2004/12/15 07:08:32 jgs
155 jgs 97 * *** empty log message ***
156 jgs 123 * Revision 1.1.1.1.2.3 2005/06/29 02:34:48 gross
157     * some changes towards 64 integers in finley
158 jgs 82 *
159 jgs 123 * Revision 1.1.1.1.2.2 2004/11/24 01:37:12 gross
160     * some changes dealing with the integer overflow in memory allocation. Finley solves 4M unknowns now
161 jgs 97 *
162 jgs 82 *
163 jgs 123 *
164 jgs 82 */

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