# Annotation of /branches/domexper/dudley/src/Assemble_PDE_Single2_1D.c

Revision 2271 - (hide annotations)
Mon Feb 16 05:08:29 2009 UTC (10 years, 2 months ago) by jfenwick
Original Path: trunk/finley/src/Assemble_PDE_Single2_1D.c
File MIME type: text/plain
File size: 12315 byte(s)
```Merging version 2269 to trunk

```
 1 gross 798 2 ksteube 1312 /******************************************************* 3 ksteube 1811 * 4 * Copyright (c) 2003-2008 by University of Queensland 5 * 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 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;enumElements;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;qNodes[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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