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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* 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 <stdlib.h>
#include <string.h>
#include <assert.h>
extern void transpose (gfc_array_char *, gfc_array_char *);
export_proto(transpose);
static void
transpose_internal (gfc_array_char *ret, gfc_array_char *source)
{
/* r.* indicates the return array. */
index_type rxstride, rystride;
char *rptr;
/* s.* indicates the source array. */
index_type sxstride, systride;
const char *sptr;
index_type xcount, ycount;
index_type x, y;
index_type size;
assert (GFC_DESCRIPTOR_RANK (source) == 2
&& GFC_DESCRIPTOR_RANK (ret) == 2);
size = GFC_DESCRIPTOR_SIZE(ret);
if (ret->base_addr == NULL)
{
assert (ret->dtype == source->dtype);
GFC_DIMENSION_SET(ret->dim[0], 0, GFC_DESCRIPTOR_EXTENT(source,1) - 1,
1);
GFC_DIMENSION_SET(ret->dim[1], 0, GFC_DESCRIPTOR_EXTENT(source,0) - 1,
GFC_DESCRIPTOR_EXTENT(source, 1));
ret->base_addr = xmalloc (size * 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_BYTES(source,0);
systride = GFC_DESCRIPTOR_STRIDE_BYTES(source,1);
xcount = GFC_DESCRIPTOR_EXTENT(source,0);
ycount = GFC_DESCRIPTOR_EXTENT(source,1);
rxstride = GFC_DESCRIPTOR_STRIDE_BYTES(ret,0);
rystride = GFC_DESCRIPTOR_STRIDE_BYTES(ret,1);
rptr = ret->base_addr;
sptr = source->base_addr;
for (y = 0; y < ycount; y++)
{
for (x = 0; x < xcount; x++)
{
memcpy (rptr, sptr, size);
sptr += sxstride;
rptr += rystride;
}
sptr += systride - (sxstride * xcount);
rptr += rxstride - (rystride * xcount);
}
}
extern void transpose (gfc_array_char *, gfc_array_char *);
export_proto(transpose);
void
transpose (gfc_array_char *ret, gfc_array_char *source)
{
transpose_internal (ret, source);
}
extern void transpose_char (gfc_array_char *, GFC_INTEGER_4,
gfc_array_char *, GFC_INTEGER_4);
export_proto(transpose_char);
void
transpose_char (gfc_array_char *ret,
GFC_INTEGER_4 ret_length __attribute__((unused)),
gfc_array_char *source,
GFC_INTEGER_4 source_length __attribute__((unused)))
{
transpose_internal (ret, source);
}
extern void transpose_char4 (gfc_array_char *, GFC_INTEGER_4,
gfc_array_char *, GFC_INTEGER_4);
export_proto(transpose_char4);
void
transpose_char4 (gfc_array_char *ret,
GFC_INTEGER_4 ret_length __attribute__((unused)),
gfc_array_char *source,
GFC_INTEGER_4 source_length __attribute__((unused)))
{
transpose_internal (ret, source);
}
|
