/[escript]/trunk/finley/src/finley/Assemble_RHSMatrix_Single.c
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Annotation of /trunk/finley/src/finley/Assemble_RHSMatrix_Single.c

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Revision 150 - (hide annotations)
Thu Sep 15 03:44:45 2005 UTC (14 years, 9 months ago) by jgs
Original Path: trunk/esys2/finley/src/finleyC/Assemble_RHSMatrix_Single.c
File MIME type: text/plain
File size: 3890 byte(s)
Merge of development branch dev-02 back to main trunk on 2005-09-15

1 jgs 150 /*
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 jgs 82
15     /**************************************************************/
16    
17     /* Updates the element matrices: */
18    
19     /* assembles the system of numEq components right hand side F */
20    
21     /* -div X + Y */
22    
23     /* -(X_i)_i + Y */
24    
25     /* Shape of the coefficients: */
26    
27     /* X = numDim */
28     /* Y = 1 */
29    
30     /**************************************************************/
31    
32 jgs 150 /* Author: gross@access.edu.au */
33     /* Version: $Id$ */
34 jgs 82
35     /**************************************************************/
36    
37 jgs 150 #include "Assemble.h"
38 jgs 82
39     /**************************************************************/
40    
41 jgs 123 void Finley_Assemble_RHSMatrix_Single(dim_t NS,dim_t numDim,dim_t numQuad,
42 jgs 82 double* S,double* DSDX,double* Vol,
43 jgs 123 dim_t NN, double* EM_F,
44     double* X, bool_t extendedX,
45     double* Y, bool_t extendedY) {
46     dim_t s,q,i;
47 jgs 82 double rtmp;
48    
49     for (s=0;s<NS;s++) {
50     /**************************************************************/
51     /* process X: */
52     /**************************************************************/
53     if (NULL!=X) {
54     if (extendedX) {
55     for (i=0;i<numDim;i++) {
56     for (q=0;q<numQuad;q++) {
57     EM_F[INDEX2(0,s,1)]+=Vol[q]*DSDX[INDEX3(s,i,q,NS,numDim)]*X[INDEX2(i,q,numDim)];
58     }
59     }
60     } else {
61     for (i=0;i<numDim;i++) {
62     if (X[i]!=0.) {
63     rtmp=0;
64     for (q=0;q<numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,i,q,NS,numDim)];
65     EM_F[INDEX2(0,s,1)]+=rtmp*X[i];
66     }
67     }
68     }
69     }
70     /**************************************************************/
71     /* process Y: */
72     /**************************************************************/
73     if (NULL!=Y) {
74     if (extendedY) {
75     for (q=0;q<numQuad;q++) EM_F[INDEX2(0,s,1)]+=Vol[q]*S[INDEX2(s,q,NS)]*Y[q];
76     } else {
77     if (Y[0]!=0.) {
78     rtmp=0;
79     for (q=0;q<numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,NS)];
80     EM_F[INDEX2(0,s,1)]+=rtmp*Y[0];
81     }
82     }
83     }
84     }
85     }
86    
87     /*
88     * $Log$
89 jgs 150 * Revision 1.3 2005/09/15 03:44:21 jgs
90     * Merge of development branch dev-02 back to main trunk on 2005-09-15
91     *
92     * Revision 1.2.2.1 2005/09/07 06:26:17 gross
93     * the solver from finley are put into the standalone package paso now
94     *
95 jgs 123 * Revision 1.2 2005/07/08 04:07:46 jgs
96     * Merge of development branch back to main trunk on 2005-07-08
97 jgs 82 *
98 jgs 123 * Revision 1.1.1.1.2.1 2005/06/29 02:34:47 gross
99     * some changes towards 64 integers in finley
100     *
101     * Revision 1.1.1.1 2004/10/26 06:53:57 jgs
102     * initial import of project esys2
103     *
104 jgs 82 * Revision 1.2 2004/07/30 04:37:06 gross
105     * escript and finley are linking now and RecMeshTest.py has been passed
106     *
107     * Revision 1.1 2004/07/02 04:21:13 gross
108     * Finley C code has been included
109     *
110     *
111     */

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