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

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Revision 155 - (show annotations)
Wed Nov 9 02:02:19 2005 UTC (14 years ago) by jgs
Original Path: trunk/finley/src/finleyC/Mesh.c
File MIME type: text/plain
File size: 5169 byte(s)
move all directories from trunk/esys2 into trunk and remove esys2

1 /*
2 ******************************************************************************
3 * *
4 * COPYRIGHT ACcESS 2003,2004,2005 - All Rights Reserved *
5 * *
6 * This software is the property of ACcESS. No part of this code *
7 * may be copied in any form or by any means without the expressed written *
8 * consent of ACcESS. Copying, use or modification of this software *
9 * by any unauthorised person is illegal unless that person has a software *
10 * license agreement with ACcESS. *
11 * *
12 ******************************************************************************
13 */
14
15 /**************************************************************/
16
17 /* Finley: Mesh */
18
19 /**************************************************************/
20
21 /* Author: gross@access.edu.au */
22 /* Version: $Id$ */
23
24 /**************************************************************/
25
26 #include "Mesh.h"
27
28 /**************************************************************/
29
30 /* allocates a Mesh with name name for elements of type id using an integration order. If order is negative, */
31 /* the most appropriate order is selected indepently. */
32
33 extern Finley_RefElementInfo Finley_RefElement_InfoList[];
34
35 Finley_Mesh* Finley_Mesh_alloc(char* name,dim_t numDim, index_t order) {
36 Finley_Mesh *out;
37
38 /* allocate the return value */
39
40 out=MEMALLOC(1,Finley_Mesh);
41 if (Finley_checkPtr(out)) return NULL;
42 out->Name=NULL;
43 out->Nodes=NULL;
44 out->Elements=NULL;
45 out->FaceElements=NULL;
46 out->Points=NULL;
47 out->ContactElements=NULL;
48 out->reference_counter=0;
49
50 out->FullFullPattern=NULL;
51 out->FullReducedPattern=NULL;
52 out->ReducedFullPattern=NULL;
53 out->ReducedReducedPattern=NULL;
54
55 /* copy name: */
56
57 out->Name=MEMALLOC(strlen(name)+1,char);
58 if (Finley_checkPtr(out->Name)) {
59 Finley_Mesh_dealloc(out);
60 return NULL;
61 }
62 strcpy(out->Name,name);
63
64 /* allocate node table: */
65
66 out->Nodes=Finley_NodeFile_alloc(numDim);
67 if (! Finley_noError()) {
68 Finley_Mesh_dealloc(out);
69 return NULL;
70 }
71 out->order=order;
72 out->Elements=NULL;
73 out->FaceElements=NULL;
74 out->Points=NULL;
75 out->ContactElements=NULL;
76 out->reference_counter++;
77 return out;
78 }
79
80 /* returns a reference to Finley_Mesh in */
81
82 Finley_Mesh* Finley_Mesh_reference(Finley_Mesh* in) {
83 if (in!=NULL) ++(in->reference_counter);
84 return in;
85 }
86
87 /* deallocates a mesh: */
88
89 void Finley_Mesh_dealloc(Finley_Mesh* in) {
90 if (in!=NULL) {
91 in->reference_counter--;
92 if (in->reference_counter<1) {
93 #ifdef Finley_TRACE
94 if (in->Name!=NULL) {
95 printf("Finley_Mesh_dealloc: mesh %s is deallocated.\n",in->Name);
96 } else {
97 printf("Finley_Mesh_dealloc\n");
98 }
99 #endif
100 MEMFREE(in->Name);
101 Finley_NodeFile_dealloc(in->Nodes);
102 Finley_ElementFile_dealloc(in->Elements);
103 Finley_ElementFile_dealloc(in->FaceElements);
104 Finley_ElementFile_dealloc(in->ContactElements);
105 Finley_ElementFile_dealloc(in->Points);
106 Paso_SystemMatrixPattern_dealloc(in->FullFullPattern);
107 Paso_SystemMatrixPattern_dealloc(in->FullReducedPattern);
108 Paso_SystemMatrixPattern_dealloc(in->ReducedFullPattern);
109 Paso_SystemMatrixPattern_dealloc(in->ReducedReducedPattern);
110 MEMFREE(in);
111 }
112 }
113 }
114
115 /**************************************************************/
116
117 /* returns the spatial dimension of the mesh: */
118
119 dim_t Finley_Mesh_getDim(Finley_Mesh *in) {
120 return in->Nodes->numDim;
121 }
122
123 /**************************************************************/
124
125 /* returns the number of nodes in the mesh: */
126
127 dim_t Finley_Mesh_getNumNodes(Finley_Mesh *in) {
128 return in->Nodes->numNodes;
129 }
130 /**************************************************************/
131
132 /* returns the number of degrees of freedom in the mesh: */
133
134 dim_t Finley_Mesh_getNumDegreesOfFreedom(Finley_Mesh *in) {
135 return in->Nodes->numDegreesOfFreedom;
136 }
137 /**************************************************************/
138
139 /* returns the number of degrees of freedom in the mesh: */
140
141 dim_t Finley_Mesh_getReducedNumDegreesOfFreedom(Finley_Mesh *in) {
142 return in->Nodes->reducedNumDegreesOfFreedom;
143 }
144 /*
145 * $Log$
146 * Revision 1.6 2005/09/15 03:44:22 jgs
147 * Merge of development branch dev-02 back to main trunk on 2005-09-15
148 *
149 * Revision 1.5.2.1 2005/09/07 06:26:19 gross
150 * the solver from finley are put into the standalone package paso now
151 *
152 * Revision 1.5 2005/07/08 04:07:51 jgs
153 * Merge of development branch back to main trunk on 2005-07-08
154 *
155 * Revision 1.4 2004/12/15 07:08:32 jgs
156 * *** empty log message ***
157 * Revision 1.1.1.1.2.3 2005/06/29 02:34:51 gross
158 * some changes towards 64 integers in finley
159 *
160 * Revision 1.1.1.1.2.2 2004/11/24 01:37:13 gross
161 * some changes dealing with the integer overflow in memory allocation. Finley solves 4M unknowns now
162 *
163 *
164 *
165 */

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