source: CIVL/examples/mpi-omp/AMG2013/struct_mv/struct_copy.c@ 397ae5f

main test-branch
Last change on this file since 397ae5f was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago

Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.

git-svn-id: ​svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
  • Property mode set to 100644
File size: 4.3 KB
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1/*BHEADER**********************************************************************
2 * Copyright (c) 2008, Lawrence Livermore National Security, LLC.
3 * Produced at the Lawrence Livermore National Laboratory.
4 * This file is part of HYPRE. See file COPYRIGHT for details.
5 *
6 * HYPRE is free software; you can redistribute it and/or modify it under the
7 * terms of the GNU Lesser General Public License (as published by the Free
8 * Software Foundation) version 2.1 dated February 1999.
9 *
10 * $Revision: 2.4 $
11 ***********************************************************************EHEADER*/
12
13
14/******************************************************************************
15 *
16 * Structured copy routine
17 *
18 *****************************************************************************/
19
20#include "headers.h"
21
22
23/*--------------------------------------------------------------------------
24 * hypre_StructCopy
25 *--------------------------------------------------------------------------*/
26
27int
28hypre_StructCopy( hypre_StructVector *x,
29 hypre_StructVector *y )
30{
31 int ierr = 0;
32
33 hypre_Box *x_data_box;
34 hypre_Box *y_data_box;
35
36 int xi;
37 int yi;
38
39 double *xp;
40 double *yp;
41
42 hypre_BoxArray *boxes;
43 hypre_Box *box;
44 hypre_Index loop_size;
45 hypre_IndexRef start;
46 hypre_Index unit_stride;
47
48 int i;
49 int loopi, loopj, loopk;
50
51 hypre_SetIndex(unit_stride, 1, 1, 1);
52
53 boxes = hypre_StructGridBoxes(hypre_StructVectorGrid(y));
54 hypre_ForBoxI(i, boxes)
55 {
56 box = hypre_BoxArrayBox(boxes, i);
57 start = hypre_BoxIMin(box);
58
59 x_data_box = hypre_BoxArrayBox(hypre_StructVectorDataSpace(x), i);
60 y_data_box = hypre_BoxArrayBox(hypre_StructVectorDataSpace(y), i);
61
62 xp = hypre_StructVectorBoxData(x, i);
63 yp = hypre_StructVectorBoxData(y, i);
64
65 hypre_BoxGetSize(box, loop_size);
66
67 hypre_BoxLoop2Begin(loop_size,
68 x_data_box, start, unit_stride, xi,
69 y_data_box, start, unit_stride, yi);
70
71 hypre_BoxLoop2For(loopi, loopj, loopk, xi, yi)
72 {
73 yp[yi] = xp[xi];
74 }
75 hypre_BoxLoop2End(xi, yi);
76 }
77
78 return ierr;
79}
80
81/*--------------------------------------------------------------------------
82 * hypre_StructPartialCopy: copy only the components on a subset of the grid.
83 * A BoxArrayArray of boxes are needed- for each box of x, only an array
84 * of subboxes (i.e., a boxarray for each box of x) are copied.
85 *--------------------------------------------------------------------------*/
86
87int
88hypre_StructPartialCopy( hypre_StructVector *x,
89 hypre_StructVector *y,
90 hypre_BoxArrayArray *array_boxes )
91{
92 int ierr = 0;
93
94 hypre_Box *x_data_box;
95 hypre_Box *y_data_box;
96
97 int xi;
98 int yi;
99
100 double *xp;
101 double *yp;
102
103 hypre_BoxArray *boxes;
104 hypre_Box *box;
105 hypre_Index loop_size;
106 hypre_IndexRef start;
107 hypre_Index unit_stride;
108
109 int i, j ;
110 int loopi, loopj, loopk;
111
112 hypre_SetIndex(unit_stride, 1, 1, 1);
113
114 hypre_ForBoxArrayI(i, array_boxes)
115 {
116 boxes = hypre_BoxArrayArrayBoxArray(array_boxes, i);
117
118 x_data_box = hypre_BoxArrayBox(hypre_StructVectorDataSpace(x), i);
119 y_data_box = hypre_BoxArrayBox(hypre_StructVectorDataSpace(y), i);
120
121 xp = hypre_StructVectorBoxData(x, i);
122 yp = hypre_StructVectorBoxData(y, i);
123
124 /* array of sub_boxes of box_i of the vector */
125 hypre_ForBoxI(j, boxes)
126 {
127 box = hypre_BoxArrayBox(boxes, j);
128
129 start = hypre_BoxIMin(box);
130 hypre_BoxGetSize(box, loop_size);
131
132 hypre_BoxLoop2Begin(loop_size,
133 x_data_box, start, unit_stride, xi,
134 y_data_box, start, unit_stride, yi);
135
136 hypre_BoxLoop2For(loopi, loopj, loopk, xi, yi)
137 {
138 yp[yi] = xp[xi];
139 }
140 hypre_BoxLoop2End(xi, yi);
141 }
142 }
143
144 return ierr;
145}
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