1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/* Implementation of the TRANSPOSE intrinsic
Copyright (C) 2003-2014 Free Software Foundation, Inc.
Contributed by Tobias Schlüter
This file is part of the GNU Fortran runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
Libgfortran is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "libgfortran.h"
#include <assert.h>
#if defined (HAVE_GFC_COMPLEX_16)
extern void transpose_c16 (gfc_array_c16 * const restrict ret,
gfc_array_c16 * const restrict source);
export_proto(transpose_c16);
void
transpose_c16 (gfc_array_c16 * const restrict ret,
gfc_array_c16 * const restrict source)
{
/* r.* indicates the return array. */
index_type rxstride, rystride;
GFC_COMPLEX_16 * restrict rptr;
/* s.* indicates the source array. */
index_type sxstride, systride;
const GFC_COMPLEX_16 *sptr;
index_type xcount, ycount;
index_type x, y;
assert (GFC_DESCRIPTOR_RANK (source) == 2);
if (ret->base_addr == NULL)
{
assert (GFC_DESCRIPTOR_RANK (ret) == 2);
assert (ret->type == source->type);
GFC_DIMENSION_SET(ret->dim[0], 0, GFC_DESCRIPTOR_EXTENT(source,1),
sizeof (GFC_COMPLEX_16));
GFC_DIMENSION_SET(ret->dim[1], 0, GFC_DESCRIPTOR_EXTENT(source,0),
GFC_DESCRIPTOR_EXTENT(source, 1)*sizeof (GFC_COMPLEX_16));
ret->base_addr = xmalloc (sizeof (GFC_COMPLEX_16) * size0 ((array_t *) ret));
ret->offset = 0;
} else if (unlikely (compile_options.bounds_check))
{
index_type ret_extent, src_extent;
ret_extent = GFC_DESCRIPTOR_EXTENT(ret,0);
src_extent = GFC_DESCRIPTOR_EXTENT(source,1);
if (src_extent != ret_extent)
runtime_error ("Incorrect extent in return value of TRANSPOSE"
" intrinsic in dimension 1: is %ld,"
" should be %ld", (long int) src_extent,
(long int) ret_extent);
ret_extent = GFC_DESCRIPTOR_EXTENT(ret,1);
src_extent = GFC_DESCRIPTOR_EXTENT(source,0);
if (src_extent != ret_extent)
runtime_error ("Incorrect extent in return value of TRANSPOSE"
" intrinsic in dimension 2: is %ld,"
" should be %ld", (long int) src_extent,
(long int) ret_extent);
}
sxstride = GFC_DESCRIPTOR_STRIDE_TYPEKNOWN(source,0);
systride = GFC_DESCRIPTOR_STRIDE_TYPEKNOWN(source,1);
xcount = GFC_DESCRIPTOR_EXTENT(source,0);
ycount = GFC_DESCRIPTOR_EXTENT(source,1);
rxstride = GFC_DESCRIPTOR_STRIDE_TYPEKNOWN(ret,0);
rystride = GFC_DESCRIPTOR_STRIDE_TYPEKNOWN(ret,1);
rptr = ret->base_addr;
sptr = source->base_addr;
for (y=0; y < ycount; y++)
{
for (x=0; x < xcount; x++)
{
*rptr = *sptr;
sptr += sxstride;
rptr += rystride;
}
sptr += systride - (sxstride * xcount);
rptr += rxstride - (rystride * xcount);
}
}
#endif
|
