/[escript]/trunk/finley/src/Util.h
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Annotation of /trunk/finley/src/Util.h

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Revision 626 - (hide annotations)
Thu Mar 23 02:16:36 2006 UTC (13 years, 7 months ago) by elspeth
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1 jgs 150 /*
2 elspeth 626 ************************************************************
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 jgs 150 */
13 jgs 82
14     /**************************************************************/
15    
16     /* Some utility routines: */
17    
18     /**************************************************************/
19    
20     /* author: gross@access.edu.au */
21     /* Version: $Id$ */
22    
23     /**************************************************************/
24    
25 jgs 150 #ifndef INC_FINLEY_UTIL
26     #define INC_FINLEY_UTIL
27 jgs 82
28 jgs 150 #include "Finley.h"
29    
30 jgs 82 /**************************************************************/
31    
32 jgs 123 void Finley_Util_Gather_double(dim_t len,index_t* index,dim_t numData,double* in,double * out);
33     void Finley_Util_Gather_int(dim_t len,index_t* index,dim_t numData,index_t* in,index_t * out);
34     void Finley_Util_AddScatter(dim_t len,index_t* index,dim_t numData,double* in,double * out);
35     void Finley_Util_SmallMatMult(dim_t A1,dim_t A2, double* A, dim_t B2, double*B, double* C);
36     void Finley_Util_SmallMatSetMult(dim_t len,dim_t A1,dim_t A2, double* A, dim_t B2, double*B, double* C);
37     void Finley_Util_InvertSmallMat(dim_t len,dim_t dim,double* A,double *invA, double* det);
38     void Finley_Util_DetOfSmallMat(dim_t len,dim_t dim,double* A,double* det);
39     void Finley_NormalVector(dim_t len, dim_t dim, dim_t dim1, double* A,double* Normal);
40     void Finley_LengthOfNormalVector(dim_t len, dim_t dim, dim_t dim1, double* A,double* length);
41     void Finley_Util_InvertMap(dim_t, index_t*,dim_t, index_t*);
42     index_t Finley_Util_getMaxInt(dim_t dim,dim_t N,index_t* values);
43     index_t Finley_Util_getMinInt(dim_t dim,dim_t N,index_t* values);
44     dim_t Finley_Util_packMask(dim_t N,bool_t* mask,index_t* index);
45     bool_t Finley_Util_isAny(dim_t N,index_t* array,index_t value);
46     void Finley_copyDouble(dim_t n,double* source,double* target);
47     index_t Finley_Util_cumsum(dim_t,index_t*);
48 jgs 147 bool_t Finley_Util_anyNonZeroDouble(dim_t N,double* values);
49 jgs 82
50    
51 jgs 102
52 jgs 82 /* Finley_Util_orderValueAndIndex is used to sort items by a value */
53     /* index points to the location of the original item array. */
54     /* it can be used to reorder the array */
55     struct Finley_Util_ValueAndIndex {
56 jgs 123 index_t index;
57     index_t value;
58 jgs 82 };
59     typedef struct Finley_Util_ValueAndIndex Finley_Util_ValueAndIndex;
60    
61 jgs 123 void Finley_Util_sortValueAndIndex(dim_t n,Finley_Util_ValueAndIndex* array);
62 jgs 82 int Finley_Util_ValueAndIndex_compar(const void *, const void *);
63    
64     #endif /* #ifndef INC_FINLEY_UTIL */
65 jgs 123
66     /*
67 jgs 147 * Revision 1.8 2005/08/12 01:45:43 jgs
68     * erge of development branch dev-02 back to main trunk on 2005-08-12
69     *
70 jgs 150 * Revision 1.7.2.2 2005/09/07 06:26:22 gross
71     * the solver from finley are put into the standalone package paso now
72     *
73 jgs 147 * Revision 1.7.2.1 2005/08/04 22:41:11 gross
74     * some extra routines for finley that might speed-up RHS assembling in some cases (not actived right now)
75     *
76 jgs 123 * Revision 1.7 2005/07/08 04:07:59 jgs
77     * Merge of development branch back to main trunk on 2005-07-08
78     *
79     * Revision 1.1.1.1.2.4 2005/06/29 02:34:57 gross
80     * some changes towards 64 integers in finley
81     *
82     * Revision 1.1.1.1.2.3 2005/03/02 23:35:06 gross
83     * reimplementation of the ILU in Finley. block size>1 still needs some testing
84     *
85     * Revision 1.1.1.1.2.2 2005/02/18 02:27:31 gross
86     * two function that will be used for a reimplementation of the ILU preconditioner
87     *
88     * Revision 1.1.1.1.2.1 2004/11/12 06:58:19 gross
89     * a lot of changes to get the linearPDE class running: most important change is that there is no matrix format exposed to the user anymore. the format is chosen by the Domain according to the solver and symmetry
90     *
91     * Revision 1.1.1.1 2004/10/26 06:53:57 jgs
92     * initial import of project esys2
93     *
94     * Revision 1.3 2004/08/26 12:03:52 gross
95     * Some other bug in Finley_Assemble_gradient fixed.
96     *
97     * Revision 1.2 2004/07/02 04:21:13 gross
98     * Finley C code has been included
99     *
100     * Revision 1.1.1.1 2004/06/24 04:00:40 johng
101     * Initial version of eys using boost-python.
102     *
103     *
104     */

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