/[escript]/trunk/finley/src/ElementFile.c
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Contents of /trunk/finley/src/ElementFile.c

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Revision 1716 - (show annotations)
Thu Aug 21 05:03:49 2008 UTC (11 years, 1 month ago) by gross
File MIME type: text/plain
File size: 6305 byte(s)
getListOfTags method added to FunctionSpace class
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 /**************************************************************/
17
18 /* Finley: ElementFile */
19
20 /* allocates an element file to hold elements of type id and with integration order order. */
21 /* use Finley_Mesh_allocElementTable to allocate the element table (Id,Nodes,Tag,Owner). */
22
23 /**************************************************************/
24
25 #include "ElementFile.h"
26
27 /**************************************************************/
28
29 Finley_ElementFile* Finley_ElementFile_alloc(ElementTypeId id, index_t order, index_t reduced_order, Paso_MPIInfo *MPIInfo)
30 {
31 extern Finley_RefElementInfo Finley_RefElement_InfoList[];
32 dim_t NQ, reduced_NQ;
33 Finley_ElementFile *out;
34
35 /* get the number of quadrature nodes needed to achieve integration order order: */
36
37 if (order<0) order=MAX(2*Finley_RefElement_InfoList[id].numOrder,0);
38 if (reduced_order<0) reduced_order=MAX(2*(Finley_RefElement_InfoList[id].numOrder-1),0);
39 NQ= Finley_RefElement_InfoList[id].getNumQuadNodes(order);
40 reduced_NQ= Finley_RefElement_InfoList[id].getNumQuadNodes(reduced_order);
41 if (! Finley_noError()) return NULL;
42
43 /* allocate the return value */
44
45 out=MEMALLOC(1,Finley_ElementFile);
46 if (Finley_checkPtr(out)) return NULL;
47 out->order = order;
48 out->reduced_order = reduced_order;
49 out->ReferenceElement=NULL;
50 out->LinearReferenceElement=NULL;
51 out->ReferenceElementReducedOrder=NULL;
52 out->LinearReferenceElementReducedOrder=NULL;
53 out->numElements=0;
54 out->Id=NULL;
55 out->Nodes=NULL;
56 out->Tag=NULL;
57 out->Color=NULL;
58 out->minColor=0;
59 out->maxColor=-1;
60 out->jacobeans=NULL;
61 out->jacobeans_reducedQ=NULL;
62 out->jacobeans_reducedS=NULL;
63 out->jacobeans_reducedS_reducedQ=NULL;
64
65 out->Owner=NULL;
66 out->numTagsInUse=0;
67 out->tagsInUse=NULL;
68
69 out->MPIInfo = Paso_MPIInfo_getReference( MPIInfo );
70
71 /* allocate the reference element: */
72
73 out->ReferenceElement=Finley_RefElement_alloc(id,NQ);
74 out->jacobeans=Finley_ElementFile_Jacobeans_alloc(out->ReferenceElement);
75 out->ReferenceElementReducedOrder=Finley_RefElement_alloc(id,reduced_NQ);
76 out->jacobeans_reducedQ=Finley_ElementFile_Jacobeans_alloc(out->ReferenceElementReducedOrder);
77
78 out->LinearReferenceElement=Finley_RefElement_alloc(Finley_RefElement_InfoList[id].LinearTypeId,NQ);
79 out->jacobeans_reducedS=Finley_ElementFile_Jacobeans_alloc(out->LinearReferenceElement);
80 out->LinearReferenceElementReducedOrder=Finley_RefElement_alloc(Finley_RefElement_InfoList[id].LinearTypeId,reduced_NQ);
81 out->jacobeans_reducedS_reducedQ=Finley_ElementFile_Jacobeans_alloc(out->LinearReferenceElementReducedOrder);
82
83 out->numNodes=out->ReferenceElement->Type->numNodes;
84
85 if (! Finley_noError()) {
86 Finley_ElementFile_free(out);
87 return NULL;
88 }
89 return out;
90 }
91
92 /* deallocates an element file: */
93
94 void Finley_ElementFile_free(Finley_ElementFile* in) {
95 if (in!=NULL) {
96 #ifdef Finley_TRACE
97 if (in->ReferenceElement!=NULL) printf("element file for %s is deallocated.\n",in->ReferenceElement->Type->Name);
98 #endif
99 Finley_ElementFile_freeTable(in);
100 Finley_RefElement_dealloc(in->ReferenceElement);
101 Finley_RefElement_dealloc(in->ReferenceElementReducedOrder);
102 Finley_RefElement_dealloc(in->LinearReferenceElement);
103 Finley_RefElement_dealloc(in->LinearReferenceElementReducedOrder);
104 Finley_ElementFile_Jacobeans_dealloc(in->jacobeans);
105 Finley_ElementFile_Jacobeans_dealloc(in->jacobeans_reducedS);
106 Finley_ElementFile_Jacobeans_dealloc(in->jacobeans_reducedQ);
107 Finley_ElementFile_Jacobeans_dealloc(in->jacobeans_reducedS_reducedQ);
108 Paso_MPIInfo_free( in->MPIInfo );
109 MEMFREE(in);
110 }
111 }
112 void Finley_ElementFile_setElementDistribution(Finley_ElementFile* in, dim_t* distribution) {
113 dim_t local_num_elements,e,num_elements=0, size;
114 Paso_MPI_rank myRank;
115 if (in == NULL) {
116 distribution[0]=num_elements;
117 } else {
118 if (in->MPIInfo->size>1) {
119 num_elements=0;
120 myRank=in->MPIInfo->rank;
121 size=in->MPIInfo->size;
122 #pragma omp parallel private(local_num_elements)
123 {
124 local_num_elements=0;
125 #pragma omp for private(e)
126 for (e=0;e<in->numElements;e++) {
127 if (in->Owner[e] == myRank) local_num_elements++;
128 }
129 #pragma omp critical
130 num_elements+=local_num_elements;
131 }
132 #ifdef PASO_MPI
133 MPI_Allgather(&num_elements,1,MPI_INT,distribution,1,MPI_INT,in->MPIInfo->comm);
134 #else
135 distribution[0]=num_elements;
136 #endif
137 } else {
138 distribution[0]=in->numElements;
139 }
140 }
141 }
142
143 dim_t Finley_ElementFile_getGlobalNumElements(Finley_ElementFile* in) {
144 dim_t size, *distribution=NULL, out, p;
145 if (in == NULL) {
146 return 0;
147 } else {
148 size=in->MPIInfo->size;
149 distribution=TMPMEMALLOC(size,dim_t);
150 Finley_ElementFile_setElementDistribution(in,distribution);
151 out=0;
152 for (p=0;p<size;++p) out+=distribution[p];
153 TMPMEMFREE(distribution);
154 return out;
155 }
156 }
157 dim_t Finley_ElementFile_getMyNumElements(Finley_ElementFile* in) {
158 dim_t size, *distribution=NULL, out;
159 if (in == NULL) {
160 return 0;
161 } else {
162 size=in->MPIInfo->size;
163 distribution=TMPMEMALLOC(size,dim_t);
164 Finley_ElementFile_setElementDistribution(in,distribution);
165 out=distribution[in->MPIInfo->rank];
166 TMPMEMFREE(distribution);
167 return out;
168 }
169
170 }
171 index_t Finley_ElementFile_getFirstElement(Finley_ElementFile* in){
172 dim_t size, *distribution=NULL, out, p;
173 if (in == NULL) {
174 return 0;
175 } else {
176 size=in->MPIInfo->size;
177 distribution=TMPMEMALLOC(size,dim_t);
178 Finley_ElementFile_setElementDistribution(in,distribution);
179 out=0;
180 for (p=0;p<in->MPIInfo->rank;++p) out+=distribution[p];
181 TMPMEMFREE(distribution);
182 return out;
183 }
184 }

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