/[escript]/trunk/finley/src/NodeFile.h
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Contents of /trunk/finley/src/NodeFile.h

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Revision 626 - (show annotations)
Thu Mar 23 02:16:36 2006 UTC (13 years, 8 months ago) by elspeth
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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 /* Version: $Id$ */
14
15 #ifndef INC_FINLEY_NODEFILE
16 #define INC_FINLEY_NODEFILE
17
18 #define MAX_numDim 3
19
20 #include "Finley.h"
21 #include "DataC.h"
22
23 struct Finley_NodeFile {
24 dim_t numNodes; /* number of nodes */
25 dim_t numDim; /* spatial dimension */
26 index_t *Id; /* Id[i] is the id number of node i. this number is not really
27 used but useful when the nodes are
28 relabled. see also Finley_resolveNodeIds. */
29 /* in the entire code the term 'node id' refers to i but nor to Id[i] */
30 /* if not explicitly stated otherwise. */
31 index_t *Tag; /* Tag[i] is the tag of node i. */
32 double *Coordinates; /* Coordinates[INDEX2(k,i,numDim)] is the k-th coordinate of the */
33 /* node i. */
34 index_t* degreeOfFreedom; /* degreeOfFreedom[i] is the degree of freedom assigned to node i */
35 /* this index is used to consider periodic boundary conditions by assigning */
36 /* the same degreeOfFreedom to the same node */
37 /* the following data are set by Finley_NodeFile_? */
38 dim_t numDegreesOfFreedom; /* number of degrees of freedom in the mesh (<=numNodes)*/
39 /* notice that numDegreesOfFreedom=max(degreeOfFreedom[:]) */
40 index_t* reducedDegreeOfFreedom; /* reducedDegreeOfFreedom[i] is the degree of freedom in the reduced version of the mesh */
41 /* assigned to node i. reducedDegreeOfFreedom[i]<0 indicates that the node is not appearing */
42 /* as a degree of freedom in the reduced version of the mesh. */
43 dim_t reducedNumDegreesOfFreedom; /* number of degrees of freedom in the reduced version of the mesh */
44 /* notice that reducedNumDegreesOfFreedom=max(reducedDegreeOfFreedom[:]) */
45 /* this information is used by interfaces to postprocessing tools that can deal with linear elements only: */
46 dim_t reducedNumNodes; /* returnes the number of nodes in the mesh when looking at the corners */
47 /* of elements only */
48 index_t *toReduced; /* toReduced[i] is the node id in the reduced mesh. if toReduced[i]<0 it means that the node does not appear in the reduced mesh */
49 };
50
51 typedef struct Finley_NodeFile Finley_NodeFile;
52
53 Finley_NodeFile * Finley_NodeFile_alloc(dim_t);
54 void Finley_NodeFile_dealloc(Finley_NodeFile*);
55 void Finley_NodeFile_setIdRange(index_t*,index_t*,Finley_NodeFile*);
56 void Finley_NodeFile_scatter(index_t*,Finley_NodeFile*,Finley_NodeFile*);
57 void Finley_NodeFile_gather(index_t*,Finley_NodeFile*,Finley_NodeFile*);
58 void Finley_NodeFile_setCoordinates(Finley_NodeFile*,escriptDataC*);
59 void Finley_NodeFile_copyTable(dim_t,Finley_NodeFile*,dim_t,dim_t,Finley_NodeFile*);
60 void Finley_NodeFile_allocTable(Finley_NodeFile*,dim_t);
61 void Finley_NodeFile_deallocTable(Finley_NodeFile*);
62
63 #endif
64
65 /*
66 * $Log$
67 * Revision 1.3 2005/09/15 03:44:23 jgs
68 * Merge of development branch dev-02 back to main trunk on 2005-09-15
69 *
70 * Revision 1.2.2.1 2005/09/07 06:26:20 gross
71 * the solver from finley are put into the standalone package paso now
72 *
73 * Revision 1.2 2005/07/08 04:07:55 jgs
74 * Merge of development branch back to main trunk on 2005-07-08
75 *
76 * Revision 1.1.1.1.2.1 2005/06/29 02:34:54 gross
77 * some changes towards 64 integers in finley
78 *
79 * Revision 1.1.1.1 2004/10/26 06:53:57 jgs
80 * initial import of project esys2
81 *
82 * Revision 1.2 2004/07/02 04:21:13 gross
83 * Finley C code has been included
84 *
85 * Revision 1.1.1.1 2004/06/24 04:00:40 johng
86 * Initial version of eys using boost-python.
87 *
88 *
89 */

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