/[escript]/branches/doubleplusgood/dudley/src/Assemble_PDE_Single2_1D.cpp
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Annotation of /branches/doubleplusgood/dudley/src/Assemble_PDE_Single2_1D.cpp

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Revision 2548 - (hide annotations)
Mon Jul 20 06:20:06 2009 UTC (9 years, 8 months ago) by jfenwick
Original Path: trunk/finley/src/Assemble_PDE_Single2_1D.c
File MIME type: text/plain
File size: 12315 byte(s)
Updating copyright notices
1 gross 798
2 ksteube 1312 /*******************************************************
3 ksteube 1811 *
4 jfenwick 2548 * Copyright (c) 2003-2009 by University of Queensland
5 ksteube 1811 * Earth Systems Science Computational Center (ESSCC)
6     * http://www.uq.edu.au/esscc
7     *
8     * Primary Business: Queensland, Australia
9     * Licensed under the Open Software License version 3.0
10     * http://www.opensource.org/licenses/osl-3.0.php
11     *
12     *******************************************************/
13 ksteube 1312
14 ksteube 1811
15 gross 798 /**************************************************************/
16    
17     /* assembles the system of numEq PDEs into the stiffness matrix S right hand side F */
18     /* the shape functions for test and solution must be identical */
19    
20    
21     /* -(A_{i,j} u_,j)_i-(B_{i} u)_i+C_{j} u_,j-D u_m and -(X_,i)_i + Y */
22    
23     /* in a 1D domain. The shape functions for test and solution must be identical */
24     /* and row_NS == row_NN */
25    
26     /* Shape of the coefficients: */
27    
28     /* A = 1 x 1 */
29     /* B = 1 */
30     /* C = 1 */
31     /* D = scalar */
32     /* X = 1 */
33     /* Y = scalar */
34    
35    
36     /**************************************************************/
37    
38    
39     #include "Assemble.h"
40     #include "Util.h"
41 gross 853 #ifdef _OPENMP
42     #include <omp.h>
43     #endif
44 gross 798
45 gross 853
46 gross 798 /**************************************************************/
47    
48     void Finley_Assemble_PDE_Single2_1D(Assemble_Parameters p, Finley_ElementFile* elements,
49     Paso_SystemMatrix* Mat, escriptDataC* F,
50     escriptDataC* A, escriptDataC* B, escriptDataC* C, escriptDataC* D, escriptDataC* X, escriptDataC* Y) {
51    
52     #define DIM 1
53     index_t color;
54     dim_t e;
55 jfenwick 2271 __const double *A_p, *B_p, *C_p, *D_p, *X_p, *Y_p;
56     double *EM_S, *EM_F, *Vol, *DSDX;
57 gross 853 index_t *row_index;
58     register dim_t q, s,r;
59     register double rtmp;
60     bool_t add_EM_F, add_EM_S;
61    
62 gross 798 bool_t extendedA=isExpanded(A);
63     bool_t extendedB=isExpanded(B);
64     bool_t extendedC=isExpanded(C);
65     bool_t extendedD=isExpanded(D);
66     bool_t extendedX=isExpanded(X);
67     bool_t extendedY=isExpanded(Y);
68 jfenwick 2271 double *F_p=(requireWrite(F), getSampleDataRW(F,0)); /* use comma, to get around the mixed code and declarations thing */
69 gross 798 double *S=p.row_jac->ReferenceElement->S;
70     dim_t len_EM_S=p.row_NN*p.col_NN;
71     dim_t len_EM_F=p.row_NN;
72    
73 jfenwick 2271 void* ABuff=allocSampleBuffer(A);
74     void* BBuff=allocSampleBuffer(B);
75     void* CBuff=allocSampleBuffer(C);
76     void* DBuff=allocSampleBuffer(D);
77     void* XBuff=allocSampleBuffer(X);
78     void* YBuff=allocSampleBuffer(Y);
79 gross 853 #pragma omp parallel private(color, EM_S, EM_F, Vol, DSDX, A_p, B_p, C_p, D_p, X_p, Y_p, row_index, q, s,r,rtmp,add_EM_F, add_EM_S)
80 gross 798 {
81 gross 853 EM_S=THREAD_MEMALLOC(len_EM_S,double);
82     EM_F=THREAD_MEMALLOC(len_EM_F,double);
83     row_index=THREAD_MEMALLOC(p.row_NN,index_t);
84    
85 jfenwick 2271
86 gross 853 if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
87    
88     for (color=elements->minColor;color<=elements->maxColor;color++) {
89     /* open loop over all elements: */
90     #pragma omp for private(e) schedule(static)
91     for(e=0;e<elements->numElements;e++){
92     if (elements->Color[e]==color) {
93     Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
94     DSDX=&(p.row_jac->DSDX[INDEX4(0,0,0,e,p.row_NN,DIM,p.numQuad)]);
95     for (q=0;q<len_EM_S;++q) EM_S[q]=0;
96     for (q=0;q<len_EM_F;++q) EM_F[q]=0;
97     add_EM_F=FALSE;
98     add_EM_S=FALSE;
99     /**************************************************************/
100     /* process A: */
101     /**************************************************************/
102 jfenwick 2271 A_p=getSampleDataRO(A,e,ABuff);
103 gross 853 if (NULL!=A_p) {
104     add_EM_S=TRUE;
105     if (extendedA) {
106     for (s=0;s<p.row_NS;s++) {
107     for (r=0;r<p.col_NS;r++) {
108     rtmp=0;
109     for (q=0;q<p.numQuad;q++) {
110     rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*A_p[INDEX3(0,0,q,DIM,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
111     }
112     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
113     }
114     }
115     } else {
116     for (s=0;s<p.row_NS;s++) {
117     for (r=0;r<p.col_NS;r++) {
118     rtmp=0;
119     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
120     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*A_p[INDEX2(0,0,DIM)];
121     }
122     }
123     }
124     }
125     /**************************************************************/
126     /* process B: */
127     /**************************************************************/
128 jfenwick 2271 B_p=getSampleDataRO(B,e,BBuff);
129 gross 853 if (NULL!=B_p) {
130     add_EM_S=TRUE;
131     if (extendedB) {
132     for (s=0;s<p.row_NS;s++) {
133     for (r=0;r<p.col_NS;r++) {
134     rtmp=0;
135     for (q=0;q<p.numQuad;q++) {
136     rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*B_p[INDEX2(0,q,DIM)]*S[INDEX2(r,q,p.row_NS)];
137     }
138     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
139     }
140     }
141     } else {
142     for (s=0;s<p.row_NS;s++) {
143     for (r=0;r<p.col_NS;r++) {
144     rtmp=0;
145     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*S[INDEX2(r,q,p.row_NS)];
146     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*B_p[0];
147     }
148     }
149 gross 798 }
150 gross 853 }
151     /**************************************************************/
152     /* process C: */
153     /**************************************************************/
154 jfenwick 2271 C_p=getSampleDataRO(C,e,CBuff);
155 gross 853 if (NULL!=C_p) {
156     add_EM_S=TRUE;
157     if (extendedC) {
158     for (s=0;s<p.row_NS;s++) {
159     for (r=0;r<p.col_NS;r++) {
160     rtmp=0;
161     for (q=0;q<p.numQuad;q++) {
162     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*C_p[INDEX2(0,q,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
163     }
164     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
165     }
166     }
167     } else {
168     for (s=0;s<p.row_NS;s++) {
169     for (r=0;r<p.col_NS;r++) {
170     rtmp=0;
171     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
172     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*C_p[0];
173     }
174     }
175     }
176     }
177     /************************************************************* */
178     /* process D */
179     /**************************************************************/
180 jfenwick 2271 D_p=getSampleDataRO(D,e,DBuff);
181 gross 853 if (NULL!=D_p) {
182     add_EM_S=TRUE;
183     if (extendedD) {
184     for (s=0;s<p.row_NS;s++) {
185     for (r=0;r<p.col_NS;r++) {
186     rtmp=0;
187     for (q=0;q<p.numQuad;q++) {
188     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*D_p[q]*S[INDEX2(r,q,p.row_NS)];
189     }
190     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
191     }
192     }
193     } else {
194     for (s=0;s<p.row_NS;s++) {
195     for (r=0;r<p.col_NS;r++) {
196     rtmp=0;
197     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
198     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*D_p[0];
199     }
200     }
201     }
202     }
203     /**************************************************************/
204     /* process X: */
205     /**************************************************************/
206 jfenwick 2271 X_p=getSampleDataRO(X,e,XBuff);
207 gross 853 if (NULL!=X_p) {
208     add_EM_F=TRUE;
209     if (extendedX) {
210     for (s=0;s<p.row_NS;s++) {
211 gross 798 rtmp=0;
212 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*X_p[INDEX2(0,q,DIM)];
213     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
214 gross 798 }
215 gross 853 } else {
216     for (s=0;s<p.row_NS;s++) {
217 gross 798 rtmp=0;
218 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
219     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*X_p[0];
220 gross 798 }
221 gross 853 }
222 gross 798 }
223 gross 853 /**************************************************************/
224     /* process Y: */
225     /**************************************************************/
226 jfenwick 2271 Y_p=getSampleDataRO(Y,e,YBuff);
227 gross 853 if (NULL!=Y_p) {
228     add_EM_F=TRUE;
229     if (extendedY) {
230     for (s=0;s<p.row_NS;s++) {
231 gross 798 rtmp=0;
232 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[q];
233     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
234 gross 798 }
235 gross 853 } else {
236     for (s=0;s<p.row_NS;s++) {
237 gross 798 rtmp=0;
238 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
239     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*Y_p[0];
240 gross 798 }
241     }
242 gross 853 }
243     /***********************************************************************************************/
244     /* add the element matrices onto the matrix and right hand side */
245     /***********************************************************************************************/
246     for (q=0;q<p.row_NN;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[q],e,p.NN)]];
247     if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
248     if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
249    
250     } /* end color check */
251     } /* end element loop */
252     } /* end color loop */
253    
254 jfenwick 2271 THREAD_MEMFREE(EM_S); /* these FREEs appear to be inside the if because if any of the allocs */
255     THREAD_MEMFREE(EM_F); /* failed it means an out of memory (which is not recoverable anyway) */
256 gross 853 THREAD_MEMFREE(row_index);
257 gross 798
258 gross 853 } /* end of pointer check */
259 gross 798 } /* end parallel region */
260 jfenwick 2271 freeSampleBuffer(ABuff);
261     freeSampleBuffer(BBuff);
262     freeSampleBuffer(CBuff);
263     freeSampleBuffer(DBuff);
264     freeSampleBuffer(XBuff);
265     freeSampleBuffer(YBuff);
266 gross 798 }
267     /*
268     * $Log$
269     */

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