/[escript]/branches/doubleplusgood/paso/src/PasoUtil.h
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Annotation of /branches/doubleplusgood/paso/src/PasoUtil.h

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Revision 3440 - (hide annotations)
Fri Jan 14 00:04:53 2011 UTC (9 years ago) by gross
Original Path: trunk/paso/src/PasoUtil.h
File MIME type: text/plain
File size: 2235 byte(s)
a second AMG interpolation implemented
1 ksteube 1312
2     /*******************************************************
3 ksteube 1811 *
4 jfenwick 2881 * Copyright (c) 2003-2010 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 dhawcroft 631
14 ksteube 1811
15 jgs 150 #ifndef INC_PASO_UTIL
16     #define INC_PASO_UTIL
17    
18     /**************************************************************/
19    
20     /* Some utility routines: */
21    
22     /**************************************************************/
23    
24     /* Copyrights by ACcESS Australia, 2003,2004,2005 */
25 jfenwick 2625 /* author: l.gross@uq.edu.au */
26 jgs 150
27     /**************************************************************/
28    
29     #include "Common.h"
30 jfenwick 3259 #include "esysUtils/Esys_MPI.h"
31 gross 1639 #ifdef _OPENMP
32     #include <omp.h>
33     #endif
34 jgs 150
35     /**************************************************************/
36    
37     index_t Paso_Util_cumsum(dim_t,index_t*);
38     bool_t Paso_Util_isAny(dim_t N,index_t* array,index_t value);
39 gross 1639 void Paso_zeroes(const dim_t n, double* x);
40     void Paso_Update(const dim_t n, const double a, double* x, const double b, const double* y);
41     void Paso_LinearCombination(const dim_t n, double*z, const double a,const double* x, const double b, const double* y);
42 jfenwick 3259 double Paso_InnerProduct(const dim_t n,const double* x, const double* y, Esys_MPIInfo* mpiinfo);
43     double Paso_l2(const dim_t n, const double* x, Esys_MPIInfo* mpiinfo);
44 gross 1639 void ApplyGivensRotations(const dim_t n,double* v,const double* c,const double* s);
45     void Paso_Copy(const dim_t n, double* out, const double* in);
46 gross 1669 bool_t Paso_fileExists( const char* filename );
47 jfenwick 3259 double Paso_lsup(const dim_t n, const double* x, Esys_MPIInfo* mpiinfo);
48 gross 3283 index_t Paso_Util_cumsum_maskedTrue(dim_t N,index_t* array, bool_t* mask);
49     index_t Paso_Util_cumsum_maskedFalse(dim_t N,index_t* array, bool_t* mask);
50     index_t Paso_Util_arg_max(dim_t n, dim_t* lambda);
51 gross 3440 index_t Paso_Util_iMax(const dim_t N,const index_t* array);
52 gross 3283
53 gross 3140 #define Paso_Scale(n, x, a) Paso_Update(n, a, x, 0, x);
54     #define Paso_AXPY(n, x, a, y) Paso_Update(n, 1., x, a, y);
55 gross 1639 #define Paso_copyShortDouble(n, source, target) memcpy(target,source,sizeof(double)*(size_t)n)
56    
57 gross 3140
58 jgs 150 #endif /* #ifndef INC_PASO_UTIL */

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