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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/* classes: h_files */
#ifndef SCM_UNIF_H
#define SCM_UNIF_H
/* Copyright (C) 1995,1996,1997,1999,2000,2001, 2004, 2006, 2008 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libguile/__scm.h"
#include "libguile/print.h"
/* This file contains the definitions for arrays and bit vectors.
Uniform numeric vectors are now in srfi-4.c.
*/
/** Arrays */
typedef struct scm_t_array_dim
{
ssize_t lbnd;
ssize_t ubnd;
ssize_t inc;
} scm_t_array_dim;
SCM_API SCM scm_array_p (SCM v, SCM prot);
SCM_API SCM scm_typed_array_p (SCM v, SCM type);
SCM_API SCM scm_make_array (SCM fill, SCM bounds);
SCM_API SCM scm_make_typed_array (SCM type, SCM fill, SCM bounds);
SCM_API SCM scm_from_contiguous_typed_array (SCM type, SCM bounds,
const void *bytes,
size_t byte_len);
SCM_API SCM scm_array_rank (SCM ra);
SCM_API size_t scm_c_array_rank (SCM ra);
SCM_API SCM scm_array_dimensions (SCM ra);
SCM_API SCM scm_shared_array_root (SCM ra);
SCM_API SCM scm_shared_array_offset (SCM ra);
SCM_API SCM scm_shared_array_increments (SCM ra);
SCM_API SCM scm_make_shared_array (SCM oldra, SCM mapfunc, SCM dims);
SCM_API SCM scm_transpose_array (SCM ra, SCM args);
SCM_API SCM scm_enclose_array (SCM ra, SCM axes);
SCM_API SCM scm_array_in_bounds_p (SCM v, SCM args);
SCM_API SCM scm_array_ref (SCM v, SCM args);
SCM_API SCM scm_array_set_x (SCM v, SCM obj, SCM args);
SCM_API SCM scm_array_contents (SCM ra, SCM strict);
SCM_API SCM scm_uniform_array_read_x (SCM ra, SCM port_or_fd,
SCM start, SCM end);
SCM_API SCM scm_uniform_array_write (SCM v, SCM port_or_fd,
SCM start, SCM end);
SCM_API SCM scm_array_to_list (SCM v);
SCM_API SCM scm_list_to_array (SCM ndim, SCM lst);
SCM_API SCM scm_list_to_typed_array (SCM type, SCM ndim, SCM lst);
SCM_API SCM scm_array_type (SCM ra);
SCM_API int scm_is_array (SCM obj);
SCM_API int scm_is_typed_array (SCM obj, SCM type);
SCM_API SCM scm_ra2contig (SCM ra, int copy);
struct scm_t_array_handle;
typedef SCM (*scm_i_t_array_ref) (struct scm_t_array_handle *, ssize_t);
typedef void (*scm_i_t_array_set) (struct scm_t_array_handle *, ssize_t, SCM);
typedef struct scm_t_array_handle {
SCM array;
size_t base;
scm_t_array_dim *dims;
scm_t_array_dim dim0;
scm_i_t_array_ref ref;
scm_i_t_array_set set;
const void *elements;
void *writable_elements;
} scm_t_array_handle;
SCM_API void scm_array_get_handle (SCM array, scm_t_array_handle *h);
SCM_API size_t scm_array_handle_rank (scm_t_array_handle *h);
SCM_API scm_t_array_dim *scm_array_handle_dims (scm_t_array_handle *h);
SCM_API ssize_t scm_array_handle_pos (scm_t_array_handle *h, SCM indices);
SCM_API const SCM *scm_array_handle_elements (scm_t_array_handle *h);
SCM_API SCM *scm_array_handle_writable_elements (scm_t_array_handle *h);
SCM_API void scm_array_handle_release (scm_t_array_handle *h);
/* See inline.h for scm_array_handle_ref and scm_array_handle_set */
/** Bit vectors */
SCM_API SCM scm_bitvector_p (SCM vec);
SCM_API SCM scm_bitvector (SCM bits);
SCM_API SCM scm_make_bitvector (SCM len, SCM fill);
SCM_API SCM scm_bitvector_length (SCM vec);
SCM_API SCM scm_bitvector_ref (SCM vec, SCM idx);
SCM_API SCM scm_bitvector_set_x (SCM vec, SCM idx, SCM val);
SCM_API SCM scm_list_to_bitvector (SCM list);
SCM_API SCM scm_bitvector_to_list (SCM vec);
SCM_API SCM scm_bitvector_fill_x (SCM vec, SCM val);
SCM_API SCM scm_bit_count (SCM item, SCM seq);
SCM_API SCM scm_bit_position (SCM item, SCM v, SCM k);
SCM_API SCM scm_bit_set_star_x (SCM v, SCM kv, SCM obj);
SCM_API SCM scm_bit_count_star (SCM v, SCM kv, SCM obj);
SCM_API SCM scm_bit_invert_x (SCM v);
SCM_API SCM scm_istr2bve (SCM str);
SCM_API int scm_is_bitvector (SCM obj);
SCM_API SCM scm_c_make_bitvector (size_t len, SCM fill);
SCM_API size_t scm_c_bitvector_length (SCM vec);
SCM_API SCM scm_c_bitvector_ref (SCM vec, size_t idx);
SCM_API void scm_c_bitvector_set_x (SCM vec, size_t idx, SCM val);
SCM_API const scm_t_uint32 *scm_array_handle_bit_elements (scm_t_array_handle *h);
SCM_API scm_t_uint32 *scm_array_handle_bit_writable_elements (scm_t_array_handle *h);
SCM_API size_t scm_array_handle_bit_elements_offset (scm_t_array_handle *h);
SCM_API const scm_t_uint32 *scm_bitvector_elements (SCM vec,
scm_t_array_handle *h,
size_t *offp,
size_t *lenp,
ssize_t *incp);
SCM_API scm_t_uint32 *scm_bitvector_writable_elements (SCM vec,
scm_t_array_handle *h,
size_t *offp,
size_t *lenp,
ssize_t *incp);
/* internal. */
typedef struct scm_i_t_array
{
SCM v; /* the contents of the array, e.g., a vector or uniform vector. */
unsigned long base;
} scm_i_t_array;
SCM_API scm_t_bits scm_i_tc16_array;
SCM_API scm_t_bits scm_i_tc16_enclosed_array;
#define SCM_I_ARRAY_FLAG_CONTIGUOUS (1 << 16)
#define SCM_I_ARRAYP(a) SCM_TYP16_PREDICATE (scm_i_tc16_array, a)
#define SCM_I_ENCLOSED_ARRAYP(a) \
SCM_TYP16_PREDICATE (scm_i_tc16_enclosed_array, a)
#define SCM_I_ARRAY_NDIM(x) ((size_t) (SCM_CELL_WORD_0 (x) >> 17))
#define SCM_I_ARRAY_CONTP(x) (SCM_CELL_WORD_0(x) & SCM_I_ARRAY_FLAG_CONTIGUOUS)
#define SCM_I_ARRAY_MEM(a) ((scm_i_t_array *) SCM_CELL_WORD_1 (a))
#define SCM_I_ARRAY_V(a) (SCM_I_ARRAY_MEM (a)->v)
#define SCM_I_ARRAY_BASE(a) (SCM_I_ARRAY_MEM (a)->base)
#define SCM_I_ARRAY_DIMS(a) \
((scm_t_array_dim *)((char *) SCM_I_ARRAY_MEM (a) + sizeof (scm_i_t_array)))
SCM_INTERNAL SCM scm_i_make_ra (int ndim, int enclosed);
SCM_INTERNAL SCM scm_i_cvref (SCM v, size_t p, int enclosed);
SCM_INTERNAL SCM scm_i_read_array (SCM port, int c);
/* deprecated. */
#if SCM_ENABLE_DEPRECATED
SCM_API SCM scm_make_uve (long k, SCM prot);
SCM_API SCM scm_array_prototype (SCM ra);
SCM_API SCM scm_list_to_uniform_array (SCM ndim, SCM prot, SCM lst);
SCM_API SCM scm_dimensions_to_uniform_array (SCM dims, SCM prot, SCM fill);
SCM_API SCM scm_make_ra (int ndim);
SCM_API SCM scm_shap2ra (SCM args, const char *what);
SCM_API SCM scm_cvref (SCM v, unsigned long pos, SCM last);
SCM_API void scm_ra_set_contp (SCM ra);
SCM_API long scm_aind (SCM ra, SCM args, const char *what);
SCM_API int scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate);
#endif
SCM_INTERNAL void scm_init_unif (void);
#endif /* SCM_UNIF_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
|
