Commit | Line | Data |
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18e2aba3 | 1 | /* Copyright (C) 1995,1996,1997,1998,2000,2001,2002,2003,2004 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | */ | |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
c209c88e GB |
19 | /* |
20 | This file has code for arrays in lots of variants (double, integer, | |
21 | unsigned etc. ). It suffers from hugely repetitive code because | |
22 | there is similar (but different) code for every variant included. (urg.) | |
23 | ||
24 | --hwn | |
25 | */ | |
0f2d19dd JB |
26 | \f |
27 | ||
2a5cd898 RB |
28 | #if HAVE_CONFIG_H |
29 | # include <config.h> | |
30 | #endif | |
31 | ||
0f2d19dd | 32 | #include <stdio.h> |
e6e2e95a | 33 | #include <errno.h> |
783e7774 | 34 | #include <string.h> |
e6e2e95a | 35 | |
a0599745 | 36 | #include "libguile/_scm.h" |
e0e49670 MV |
37 | #include "libguile/__scm.h" |
38 | #include "libguile/eq.h" | |
a0599745 MD |
39 | #include "libguile/chars.h" |
40 | #include "libguile/eval.h" | |
41 | #include "libguile/fports.h" | |
42 | #include "libguile/smob.h" | |
a0599745 MD |
43 | #include "libguile/feature.h" |
44 | #include "libguile/root.h" | |
45 | #include "libguile/strings.h" | |
c44ca4fe | 46 | #include "libguile/srfi-13.h" |
e0e49670 | 47 | #include "libguile/srfi-4.h" |
a0599745 | 48 | #include "libguile/vectors.h" |
bfad4005 MV |
49 | #include "libguile/list.h" |
50 | #include "libguile/deprecation.h" | |
d44ff083 | 51 | #include "libguile/dynwind.h" |
a0599745 MD |
52 | |
53 | #include "libguile/validate.h" | |
54 | #include "libguile/unif.h" | |
55 | #include "libguile/ramap.h" | |
f27d2057 | 56 | #include "libguile/print.h" |
bfad4005 | 57 | #include "libguile/read.h" |
0f2d19dd | 58 | |
3d8d56df GH |
59 | #ifdef HAVE_UNISTD_H |
60 | #include <unistd.h> | |
61 | #endif | |
62 | ||
7beabedb MG |
63 | #ifdef HAVE_IO_H |
64 | #include <io.h> | |
65 | #endif | |
66 | ||
0f2d19dd JB |
67 | \f |
68 | /* The set of uniform scm_vector types is: | |
e0e49670 | 69 | * Vector of: Called: Replaced by: |
bfad4005 | 70 | * unsigned char string |
85368844 | 71 | * char byvect s8 or u8, depending on signedness of 'char' |
e0e49670 MV |
72 | * boolean bvect |
73 | * signed long ivect s32 | |
74 | * unsigned long uvect u32 | |
75 | * float fvect f32 | |
76 | * double dvect d32 | |
85368844 | 77 | * complex double cvect c64 |
e0e49670 MV |
78 | * short svect s16 |
79 | * long long llvect s64 | |
0f2d19dd JB |
80 | */ |
81 | ||
92c2555f | 82 | scm_t_bits scm_tc16_array; |
7c183c95 | 83 | static SCM exactly_one_third; |
0f2d19dd | 84 | |
85368844 | 85 | #if 0 |
bc86da5d MD |
86 | /* Silly function used not to modify the semantics of the silly |
87 | * prototype system in order to be backward compatible. | |
88 | */ | |
89 | static int | |
90 | singp (SCM obj) | |
0f2d19dd | 91 | { |
a08b0d00 | 92 | if (!SCM_REALP (obj)) |
bc86da5d MD |
93 | return 0; |
94 | else | |
95 | { | |
96 | double x = SCM_REAL_VALUE (obj); | |
97 | float fx = x; | |
98 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
99 | } | |
0f2d19dd | 100 | } |
85368844 | 101 | #endif |
1cc91f1b | 102 | |
bfad4005 MV |
103 | static SCM scm_i_proc_make_vector; |
104 | static SCM scm_i_proc_make_string; | |
105 | static SCM scm_i_proc_make_u1vector; | |
106 | ||
107 | #if SCM_ENABLE_DEPRECATED | |
108 | ||
109 | SCM_SYMBOL (scm_sym_s, "s"); | |
110 | SCM_SYMBOL (scm_sym_l, "l"); | |
111 | ||
112 | SCM scm_make_u1vector (SCM len, SCM fill); | |
113 | ||
114 | SCM_DEFINE (scm_make_u1vector, "make-u1vector", 1, 1, 0, | |
115 | (SCM len, SCM fill), | |
116 | "...") | |
117 | #define FUNC_NAME s_scm_make_u1vector | |
118 | { | |
119 | long k = scm_to_long (len); | |
120 | if (k > 0) | |
121 | { | |
122 | long i; | |
123 | SCM_ASSERT_RANGE (1, scm_from_long (k), | |
124 | k <= SCM_BITVECTOR_MAX_LENGTH); | |
125 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); | |
126 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (k), | |
127 | (scm_t_bits) scm_gc_malloc (i, "vector")); | |
128 | } | |
129 | else | |
130 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (0), 0); | |
131 | } | |
132 | #undef FUNC_NAME | |
133 | ||
711a9fd7 | 134 | static SCM |
bfad4005 | 135 | scm_i_convert_old_prototype (SCM proto) |
711a9fd7 | 136 | { |
bfad4005 MV |
137 | SCM new_proto; |
138 | ||
139 | /* All new 'prototypes' are creator procedures. | |
140 | */ | |
141 | if (scm_is_true (scm_procedure_p (proto))) | |
142 | return proto; | |
143 | ||
144 | if (scm_is_eq (proto, SCM_BOOL_T)) | |
145 | new_proto = scm_i_proc_make_u1vector; | |
146 | else if (scm_is_eq (proto, SCM_MAKE_CHAR ('a'))) | |
147 | new_proto = scm_i_proc_make_string; | |
148 | else if (scm_is_eq (proto, SCM_MAKE_CHAR (0))) | |
149 | new_proto = scm_i_proc_make_s8vector; | |
150 | else if (scm_is_eq (proto, scm_sym_s)) | |
151 | new_proto = scm_i_proc_make_s16vector; | |
152 | else if (scm_is_true (scm_eqv_p (proto, scm_from_int (1)))) | |
153 | new_proto = scm_i_proc_make_u32vector; | |
154 | else if (scm_is_true (scm_eqv_p (proto, scm_from_int (-1)))) | |
155 | new_proto = scm_i_proc_make_s32vector; | |
156 | else if (scm_is_eq (proto, scm_sym_l)) | |
157 | new_proto = scm_i_proc_make_s64vector; | |
158 | else if (scm_is_true (scm_eqv_p (proto, scm_from_double (1.0)))) | |
159 | new_proto = scm_i_proc_make_f32vector; | |
160 | else if (scm_is_true (scm_eqv_p (proto, scm_divide (scm_from_int (1), | |
161 | scm_from_int (3))))) | |
162 | new_proto = scm_i_proc_make_f64vector; | |
163 | else if (scm_is_true (scm_eqv_p (proto, scm_c_make_rectangular (0, 1)))) | |
164 | new_proto = scm_i_proc_make_c64vector; | |
165 | else if (scm_is_null (proto)) | |
166 | new_proto = scm_i_proc_make_vector; | |
167 | else | |
168 | new_proto = proto; | |
711a9fd7 | 169 | |
bfad4005 MV |
170 | scm_c_issue_deprecation_warning |
171 | ("Using prototypes with arrays is deprecated. " | |
172 | "Use creator functions instead."); | |
173 | ||
174 | return new_proto; | |
711a9fd7 | 175 | } |
bfad4005 | 176 | |
ab1be174 MV |
177 | static SCM |
178 | scm_i_get_old_prototype (SCM uvec) | |
179 | { | |
180 | if (SCM_BITVECTOR_P (uvec)) | |
181 | return SCM_BOOL_T; | |
182 | else if (scm_is_string (uvec)) | |
183 | return SCM_MAKE_CHAR ('a'); | |
184 | else if (scm_is_true (scm_s8vector_p (uvec))) | |
185 | return SCM_MAKE_CHAR ('\0'); | |
186 | else if (scm_is_true (scm_s16vector_p (uvec))) | |
187 | return scm_sym_s; | |
188 | else if (scm_is_true (scm_u32vector_p (uvec))) | |
189 | return scm_from_int (1); | |
190 | else if (scm_is_true (scm_s32vector_p (uvec))) | |
191 | return scm_from_int (-1); | |
192 | else if (scm_is_true (scm_s64vector_p (uvec))) | |
193 | return scm_sym_l; | |
194 | else if (scm_is_true (scm_f32vector_p (uvec))) | |
195 | return scm_from_double (1.0); | |
196 | else if (scm_is_true (scm_f64vector_p (uvec))) | |
197 | return scm_divide (scm_from_int (1), scm_from_int (3)); | |
198 | else if (scm_is_true (scm_c64vector_p (uvec))) | |
199 | return scm_c_make_rectangular (0, 1); | |
200 | else if (scm_is_true (scm_vector_p (uvec))) | |
201 | return SCM_EOL; | |
202 | else | |
203 | return SCM_UNSPECIFIED; | |
204 | } | |
205 | ||
bfad4005 | 206 | #endif |
711a9fd7 | 207 | |
0f2d19dd | 208 | SCM |
c014a02e | 209 | scm_make_uve (long k, SCM prot) |
a3a32939 | 210 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd | 211 | { |
bfad4005 MV |
212 | #if SCM_ENABLE_DEPRECATED |
213 | prot = scm_i_convert_old_prototype (prot); | |
0f2d19dd | 214 | #endif |
ab1be174 | 215 | return scm_call_1 (prot, scm_from_long (k)); |
0f2d19dd | 216 | } |
a3a32939 DH |
217 | #undef FUNC_NAME |
218 | ||
3b3b36dd | 219 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 220 | (SCM v, SCM prot), |
1e6808ea MG |
221 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
222 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
223 | "and is described elsewhere.") | |
1bbd0b84 | 224 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
225 | { |
226 | int nprot; | |
227 | int enclosed; | |
228 | nprot = SCM_UNBNDP (prot); | |
229 | enclosed = 0; | |
230 | if (SCM_IMP (v)) | |
231 | return SCM_BOOL_F; | |
c209c88e | 232 | |
e0e49670 | 233 | while (SCM_ARRAYP (v)) |
0f2d19dd | 234 | { |
0f2d19dd JB |
235 | if (nprot) |
236 | return SCM_BOOL_T; | |
237 | if (enclosed++) | |
238 | return SCM_BOOL_F; | |
239 | v = SCM_ARRAY_V (v); | |
e0e49670 MV |
240 | } |
241 | ||
bfad4005 MV |
242 | /* XXX - clean up |
243 | */ | |
e0e49670 MV |
244 | if (scm_is_uniform_vector (v)) |
245 | { | |
246 | if (nprot) | |
247 | return SCM_BOOL_T; | |
248 | else | |
bfad4005 MV |
249 | { |
250 | #if SCM_ENABLE_DEPRECATED | |
251 | prot = scm_i_convert_old_prototype (prot); | |
252 | #endif | |
253 | return scm_eq_p (prot, scm_i_uniform_vector_creator (v)); | |
254 | } | |
255 | } | |
256 | else if (scm_is_true (scm_vector_p (v))) | |
257 | { | |
258 | if (nprot) | |
259 | return SCM_BOOL_T; | |
260 | else | |
261 | { | |
262 | #if SCM_ENABLE_DEPRECATED | |
263 | prot = scm_i_convert_old_prototype (prot); | |
264 | #endif | |
265 | return scm_eq_p (prot, scm_i_proc_make_vector); | |
266 | } | |
e0e49670 | 267 | } |
9b0018a1 | 268 | |
c209c88e | 269 | if (nprot) |
9b0018a1 MV |
270 | { |
271 | switch (SCM_TYP7 (v)) | |
272 | { | |
273 | case scm_tc7_bvect: | |
274 | case scm_tc7_string: | |
9b0018a1 MV |
275 | case scm_tc7_vector: |
276 | case scm_tc7_wvect: | |
277 | return SCM_BOOL_T; | |
278 | default: | |
279 | return SCM_BOOL_F; | |
280 | } | |
281 | } | |
c209c88e GB |
282 | else |
283 | { | |
284 | int protp = 0; | |
e0e49670 | 285 | |
c209c88e GB |
286 | switch (SCM_TYP7 (v)) |
287 | { | |
288 | case scm_tc7_bvect: | |
bc36d050 | 289 | protp = (scm_is_eq (prot, SCM_BOOL_T)); |
7c183c95 | 290 | break; |
c209c88e | 291 | case scm_tc7_string: |
4260a7fc | 292 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
7c183c95 | 293 | break; |
c209c88e GB |
294 | case scm_tc7_vector: |
295 | case scm_tc7_wvect: | |
d2e53ed6 | 296 | protp = scm_is_null(prot); |
7c183c95 | 297 | break; |
c209c88e GB |
298 | default: |
299 | /* no default */ | |
300 | ; | |
301 | } | |
7888309b | 302 | return scm_from_bool(protp); |
0f2d19dd | 303 | } |
0f2d19dd | 304 | } |
1bbd0b84 | 305 | #undef FUNC_NAME |
0f2d19dd JB |
306 | |
307 | ||
3b3b36dd | 308 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 309 | (SCM ra), |
1e6808ea MG |
310 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
311 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 312 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd | 313 | { |
e0e49670 MV |
314 | if (scm_is_uniform_vector (ra)) |
315 | return scm_from_int (1); | |
316 | ||
0f2d19dd | 317 | if (SCM_IMP (ra)) |
1bbd0b84 | 318 | return SCM_INUM0; |
0f2d19dd JB |
319 | switch (SCM_TYP7 (ra)) |
320 | { | |
321 | default: | |
322 | return SCM_INUM0; | |
323 | case scm_tc7_string: | |
324 | case scm_tc7_vector: | |
95f5b0f5 | 325 | case scm_tc7_wvect: |
e11e83f3 | 326 | return scm_from_int (1); |
0f2d19dd JB |
327 | case scm_tc7_smob: |
328 | if (SCM_ARRAYP (ra)) | |
e11e83f3 | 329 | return scm_from_size_t (SCM_ARRAY_NDIM (ra)); |
0f2d19dd JB |
330 | return SCM_INUM0; |
331 | } | |
332 | } | |
1bbd0b84 | 333 | #undef FUNC_NAME |
0f2d19dd JB |
334 | |
335 | ||
3b3b36dd | 336 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 337 | (SCM ra), |
b380b885 MD |
338 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
339 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 340 | "@lisp\n" |
b380b885 | 341 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 342 | "@end lisp") |
1bbd0b84 | 343 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
344 | { |
345 | SCM res = SCM_EOL; | |
1be6b49c | 346 | size_t k; |
92c2555f | 347 | scm_t_array_dim *s; |
0f2d19dd | 348 | if (SCM_IMP (ra)) |
1bbd0b84 | 349 | return SCM_BOOL_F; |
e0e49670 MV |
350 | |
351 | if (scm_is_uniform_vector (ra)) | |
352 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); | |
353 | ||
0f2d19dd JB |
354 | switch (SCM_TYP7 (ra)) |
355 | { | |
356 | default: | |
357 | return SCM_BOOL_F; | |
358 | case scm_tc7_string: | |
359 | case scm_tc7_vector: | |
95f5b0f5 | 360 | case scm_tc7_wvect: |
0f2d19dd | 361 | case scm_tc7_bvect: |
74014c46 | 362 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
363 | case scm_tc7_smob: |
364 | if (!SCM_ARRAYP (ra)) | |
365 | return SCM_BOOL_F; | |
366 | k = SCM_ARRAY_NDIM (ra); | |
367 | s = SCM_ARRAY_DIMS (ra); | |
368 | while (k--) | |
e2d37336 | 369 | res = scm_cons (s[k].lbnd |
e11e83f3 MV |
370 | ? scm_cons2 (scm_from_long (s[k].lbnd), |
371 | scm_from_long (s[k].ubnd), | |
e2d37336 | 372 | SCM_EOL) |
e11e83f3 | 373 | : scm_from_long (1 + s[k].ubnd), |
e2d37336 | 374 | res); |
0f2d19dd JB |
375 | return res; |
376 | } | |
377 | } | |
1bbd0b84 | 378 | #undef FUNC_NAME |
0f2d19dd JB |
379 | |
380 | ||
e2d37336 MD |
381 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
382 | (SCM ra), | |
383 | "Return the root vector of a shared array.") | |
384 | #define FUNC_NAME s_scm_shared_array_root | |
385 | { | |
386 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
387 | return SCM_ARRAY_V (ra); | |
388 | } | |
389 | #undef FUNC_NAME | |
390 | ||
391 | ||
392 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
393 | (SCM ra), | |
394 | "Return the root vector index of the first element in the array.") | |
395 | #define FUNC_NAME s_scm_shared_array_offset | |
396 | { | |
397 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
e11e83f3 | 398 | return scm_from_int (SCM_ARRAY_BASE (ra)); |
e2d37336 MD |
399 | } |
400 | #undef FUNC_NAME | |
401 | ||
402 | ||
403 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
404 | (SCM ra), | |
405 | "For each dimension, return the distance between elements in the root vector.") | |
406 | #define FUNC_NAME s_scm_shared_array_increments | |
407 | { | |
408 | SCM res = SCM_EOL; | |
1be6b49c | 409 | size_t k; |
92c2555f | 410 | scm_t_array_dim *s; |
e2d37336 MD |
411 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
412 | k = SCM_ARRAY_NDIM (ra); | |
413 | s = SCM_ARRAY_DIMS (ra); | |
414 | while (k--) | |
e11e83f3 | 415 | res = scm_cons (scm_from_long (s[k].inc), res); |
e2d37336 MD |
416 | return res; |
417 | } | |
418 | #undef FUNC_NAME | |
419 | ||
420 | ||
0f2d19dd JB |
421 | static char s_bad_ind[] = "Bad scm_array index"; |
422 | ||
1cc91f1b | 423 | |
c014a02e | 424 | long |
1bbd0b84 | 425 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 426 | #define FUNC_NAME what |
0f2d19dd JB |
427 | { |
428 | SCM ind; | |
c014a02e ML |
429 | register long j; |
430 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
431 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
92c2555f | 432 | scm_t_array_dim *s = SCM_ARRAY_DIMS (ra); |
e11e83f3 | 433 | if (scm_is_integer (args)) |
0f2d19dd | 434 | { |
b3fcac34 DH |
435 | if (k != 1) |
436 | scm_error_num_args_subr (what); | |
e11e83f3 | 437 | return pos + (scm_to_long (args) - s->lbnd) * (s->inc); |
0f2d19dd | 438 | } |
d2e53ed6 | 439 | while (k && scm_is_pair (args)) |
0f2d19dd JB |
440 | { |
441 | ind = SCM_CAR (args); | |
442 | args = SCM_CDR (args); | |
e11e83f3 | 443 | if (!scm_is_integer (ind)) |
b3fcac34 | 444 | scm_misc_error (what, s_bad_ind, SCM_EOL); |
e11e83f3 | 445 | j = scm_to_long (ind); |
685c0d71 DH |
446 | if (j < s->lbnd || j > s->ubnd) |
447 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
448 | pos += (j - s->lbnd) * (s->inc); |
449 | k--; | |
450 | s++; | |
451 | } | |
d2e53ed6 | 452 | if (k != 0 || !scm_is_null (args)) |
b3fcac34 DH |
453 | scm_error_num_args_subr (what); |
454 | ||
0f2d19dd JB |
455 | return pos; |
456 | } | |
b3fcac34 | 457 | #undef FUNC_NAME |
0f2d19dd | 458 | |
1cc91f1b | 459 | |
0f2d19dd | 460 | SCM |
1bbd0b84 | 461 | scm_make_ra (int ndim) |
0f2d19dd JB |
462 | { |
463 | SCM ra; | |
0f2d19dd | 464 | SCM_DEFER_INTS; |
92c2555f | 465 | SCM_NEWSMOB(ra, ((scm_t_bits) ndim << 17) + scm_tc16_array, |
4c9419ac MV |
466 | scm_gc_malloc ((sizeof (scm_t_array) + |
467 | ndim * sizeof (scm_t_array_dim)), | |
468 | "array")); | |
0f2d19dd JB |
469 | SCM_ARRAY_V (ra) = scm_nullvect; |
470 | SCM_ALLOW_INTS; | |
471 | return ra; | |
472 | } | |
473 | ||
474 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
475 | /* Increments will still need to be set. */ | |
476 | ||
1cc91f1b | 477 | |
0f2d19dd | 478 | SCM |
1bbd0b84 | 479 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 480 | { |
92c2555f | 481 | scm_t_array_dim *s; |
0f2d19dd JB |
482 | SCM ra, spec, sp; |
483 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
484 | if (ndim < 0) |
485 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
486 | ||
0f2d19dd JB |
487 | ra = scm_make_ra (ndim); |
488 | SCM_ARRAY_BASE (ra) = 0; | |
489 | s = SCM_ARRAY_DIMS (ra); | |
d2e53ed6 | 490 | for (; !scm_is_null (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
491 | { |
492 | spec = SCM_CAR (args); | |
e11e83f3 | 493 | if (scm_is_integer (spec)) |
0f2d19dd | 494 | { |
e11e83f3 | 495 | if (scm_to_long (spec) < 0) |
b3fcac34 | 496 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
0f2d19dd | 497 | s->lbnd = 0; |
e11e83f3 | 498 | s->ubnd = scm_to_long (spec) - 1; |
0f2d19dd JB |
499 | s->inc = 1; |
500 | } | |
501 | else | |
502 | { | |
d2e53ed6 | 503 | if (!scm_is_pair (spec) || !scm_is_integer (SCM_CAR (spec))) |
b3fcac34 | 504 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
e11e83f3 | 505 | s->lbnd = scm_to_long (SCM_CAR (spec)); |
0f2d19dd | 506 | sp = SCM_CDR (spec); |
d2e53ed6 | 507 | if (!scm_is_pair (sp) |
e11e83f3 | 508 | || !scm_is_integer (SCM_CAR (sp)) |
d2e53ed6 | 509 | || !scm_is_null (SCM_CDR (sp))) |
b3fcac34 | 510 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
e11e83f3 | 511 | s->ubnd = scm_to_long (SCM_CAR (sp)); |
0f2d19dd JB |
512 | s->inc = 1; |
513 | } | |
514 | } | |
515 | return ra; | |
516 | } | |
517 | ||
3b3b36dd | 518 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 519 | (SCM dims, SCM prot, SCM fill), |
8f85c0c6 | 520 | "@deffnx {Scheme Procedure} make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
521 | "Create and return a uniform array or vector of type\n" |
522 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
523 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
524 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 525 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 526 | { |
1be6b49c | 527 | size_t k; |
c014a02e | 528 | unsigned long rlen = 1; |
92c2555f | 529 | scm_t_array_dim *s; |
0f2d19dd | 530 | SCM ra; |
1be6b49c | 531 | |
e11e83f3 | 532 | if (scm_is_integer (dims)) |
cda139a7 | 533 | { |
e11e83f3 | 534 | SCM answer = scm_make_uve (scm_to_long (dims), prot); |
a3a32939 DH |
535 | if (!SCM_UNBNDP (fill)) |
536 | scm_array_fill_x (answer, fill); | |
e0e49670 | 537 | else if (scm_is_symbol (prot) || scm_is_eq (prot, SCM_MAKE_CHAR (0))) |
e11e83f3 | 538 | scm_array_fill_x (answer, scm_from_int (0)); |
bfad4005 | 539 | else if (scm_is_false (scm_procedure_p (prot))) |
a3a32939 DH |
540 | scm_array_fill_x (answer, prot); |
541 | return answer; | |
cda139a7 | 542 | } |
1be6b49c | 543 | |
d2e53ed6 | 544 | SCM_ASSERT (scm_is_null (dims) || scm_is_pair (dims), |
0c95b57d | 545 | dims, SCM_ARG1, FUNC_NAME); |
1bbd0b84 | 546 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 547 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
548 | s = SCM_ARRAY_DIMS (ra); |
549 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 550 | |
0f2d19dd JB |
551 | while (k--) |
552 | { | |
a3a32939 DH |
553 | s[k].inc = rlen; |
554 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 555 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 556 | } |
a3a32939 | 557 | |
a3a32939 DH |
558 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
559 | ||
5c11cc9d | 560 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 561 | scm_array_fill_x (ra, fill); |
e0e49670 | 562 | else if (scm_is_symbol (prot) || scm_is_eq (prot, SCM_MAKE_CHAR (0))) |
e11e83f3 | 563 | scm_array_fill_x (ra, scm_from_int (0)); |
bfad4005 | 564 | else if (scm_is_false (scm_procedure_p (prot))) |
0f2d19dd | 565 | scm_array_fill_x (ra, prot); |
a3a32939 | 566 | |
0f2d19dd | 567 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 568 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
569 | return SCM_ARRAY_V (ra); |
570 | return ra; | |
571 | } | |
1bbd0b84 | 572 | #undef FUNC_NAME |
0f2d19dd | 573 | |
1cc91f1b | 574 | |
0f2d19dd | 575 | void |
1bbd0b84 | 576 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 577 | { |
1be6b49c | 578 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 579 | if (k) |
0f2d19dd | 580 | { |
c014a02e | 581 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 582 | while (k--) |
0f2d19dd | 583 | { |
fe0c6dae JB |
584 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
585 | { | |
e038c042 | 586 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
587 | return; |
588 | } | |
589 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
590 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 591 | } |
0f2d19dd | 592 | } |
e038c042 | 593 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
594 | } |
595 | ||
596 | ||
3b3b36dd | 597 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 598 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
599 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
600 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
601 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
602 | "linear, and its range must stay within the bounds of the old array, but\n" | |
603 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 604 | "@lisp\n" |
b380b885 MD |
605 | "(define fred (make-array #f 8 8))\n" |
606 | "(define freds-diagonal\n" | |
607 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
608 | "(array-set! freds-diagonal 'foo 3)\n" | |
609 | "(array-ref fred 3 3) @result{} foo\n" | |
610 | "(define freds-center\n" | |
611 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
612 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 613 | "@end lisp") |
1bbd0b84 | 614 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
615 | { |
616 | SCM ra; | |
617 | SCM inds, indptr; | |
618 | SCM imap; | |
c014a02e ML |
619 | size_t k, i; |
620 | long old_min, new_min, old_max, new_max; | |
92c2555f | 621 | scm_t_array_dim *s; |
b3fcac34 DH |
622 | |
623 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
34d19ef6 HWN |
624 | SCM_VALIDATE_ARRAY (1, oldra); |
625 | SCM_VALIDATE_PROC (2, mapfunc); | |
1bbd0b84 | 626 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
627 | if (SCM_ARRAYP (oldra)) |
628 | { | |
629 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
630 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
631 | s = SCM_ARRAY_DIMS (oldra); | |
632 | k = SCM_ARRAY_NDIM (oldra); | |
633 | while (k--) | |
634 | { | |
635 | if (s[k].inc > 0) | |
636 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
637 | else | |
638 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
639 | } | |
640 | } | |
641 | else | |
642 | { | |
643 | SCM_ARRAY_V (ra) = oldra; | |
644 | old_min = 0; | |
e11e83f3 | 645 | old_max = scm_to_long (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
646 | } |
647 | inds = SCM_EOL; | |
648 | s = SCM_ARRAY_DIMS (ra); | |
649 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
650 | { | |
e11e83f3 | 651 | inds = scm_cons (scm_from_long (s[k].lbnd), inds); |
0f2d19dd JB |
652 | if (s[k].ubnd < s[k].lbnd) |
653 | { | |
654 | if (1 == SCM_ARRAY_NDIM (ra)) | |
655 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
656 | else | |
657 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
658 | return ra; | |
659 | } | |
660 | } | |
fdc28395 | 661 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd | 662 | if (SCM_ARRAYP (oldra)) |
c014a02e | 663 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
664 | else |
665 | { | |
e11e83f3 | 666 | if (!scm_is_integer (imap)) |
0f2d19dd | 667 | { |
e11e83f3 | 668 | if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap))) |
b3fcac34 | 669 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
670 | imap = SCM_CAR (imap); |
671 | } | |
e11e83f3 | 672 | i = scm_to_size_t (imap); |
0f2d19dd JB |
673 | } |
674 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
675 | indptr = inds; | |
676 | k = SCM_ARRAY_NDIM (ra); | |
677 | while (k--) | |
678 | { | |
679 | if (s[k].ubnd > s[k].lbnd) | |
680 | { | |
e11e83f3 | 681 | SCM_SETCAR (indptr, scm_sum (SCM_CAR (indptr), scm_from_int (1))); |
fdc28395 | 682 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd JB |
683 | if (SCM_ARRAYP (oldra)) |
684 | ||
1bbd0b84 | 685 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
686 | else |
687 | { | |
e11e83f3 | 688 | if (!scm_is_integer (imap)) |
0f2d19dd | 689 | { |
e11e83f3 | 690 | if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap))) |
b3fcac34 | 691 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
692 | imap = SCM_CAR (imap); |
693 | } | |
e11e83f3 | 694 | s[k].inc = scm_to_long (imap) - i; |
0f2d19dd JB |
695 | } |
696 | i += s[k].inc; | |
697 | if (s[k].inc > 0) | |
698 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
699 | else | |
700 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
701 | } | |
702 | else | |
703 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
704 | indptr = SCM_CDR (indptr); | |
705 | } | |
b3fcac34 DH |
706 | if (old_min > new_min || old_max < new_max) |
707 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
708 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
709 | { | |
74014c46 | 710 | SCM v = SCM_ARRAY_V (ra); |
e11e83f3 | 711 | unsigned long int length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 DH |
712 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
713 | return v; | |
0f2d19dd JB |
714 | if (s->ubnd < s->lbnd) |
715 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
716 | } | |
717 | scm_ra_set_contp (ra); | |
718 | return ra; | |
719 | } | |
1bbd0b84 | 720 | #undef FUNC_NAME |
0f2d19dd JB |
721 | |
722 | ||
723 | /* args are RA . DIMS */ | |
af45e3b0 DH |
724 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
725 | (SCM ra, SCM args), | |
1e6808ea MG |
726 | "Return an array sharing contents with @var{array}, but with\n" |
727 | "dimensions arranged in a different order. There must be one\n" | |
728 | "@var{dim} argument for each dimension of @var{array}.\n" | |
729 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
730 | "and the rank of the array to be returned. Each integer in that\n" | |
731 | "range must appear at least once in the argument list.\n" | |
732 | "\n" | |
733 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
734 | "dimensions in the array to be returned, their positions in the\n" | |
735 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
736 | "may have the same value, in which case the returned array will\n" | |
737 | "have smaller rank than @var{array}.\n" | |
738 | "\n" | |
739 | "@lisp\n" | |
b380b885 MD |
740 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
741 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
742 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
743 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 744 | "@end lisp") |
1bbd0b84 | 745 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 746 | { |
34d19ef6 HWN |
747 | SCM res, vargs; |
748 | SCM const *ve = &vargs; | |
92c2555f | 749 | scm_t_array_dim *s, *r; |
0f2d19dd | 750 | int ndim, i, k; |
af45e3b0 | 751 | |
b3fcac34 | 752 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 753 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
e0e49670 MV |
754 | |
755 | if (scm_is_uniform_vector (ra)) | |
756 | { | |
757 | /* Make sure that we are called with a single zero as | |
758 | arguments. | |
759 | */ | |
760 | if (scm_is_null (args) || !scm_is_null (SCM_CDR (args))) | |
761 | SCM_WRONG_NUM_ARGS (); | |
762 | SCM_VALIDATE_INT_COPY (SCM_ARG2, SCM_CAR (args), i); | |
763 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), i == 0); | |
764 | return ra; | |
765 | } | |
766 | ||
f5bf2977 | 767 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
768 | { |
769 | default: | |
276dd677 | 770 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
771 | case scm_tc7_bvect: |
772 | case scm_tc7_string: | |
d2e53ed6 | 773 | if (scm_is_null (args) || !scm_is_null (SCM_CDR (args))) |
b3fcac34 | 774 | SCM_WRONG_NUM_ARGS (); |
a55c2b68 MV |
775 | SCM_VALIDATE_INT_COPY (SCM_ARG2, SCM_CAR (args), i); |
776 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), i == 0); | |
0f2d19dd JB |
777 | return ra; |
778 | case scm_tc7_smob: | |
779 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
780 | vargs = scm_vector (args); | |
b3fcac34 DH |
781 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
782 | SCM_WRONG_NUM_ARGS (); | |
783 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
784 | ndim = 0; |
785 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
786 | { | |
e11e83f3 | 787 | i = scm_to_signed_integer (ve[k], 0, SCM_ARRAY_NDIM(ra)); |
0f2d19dd JB |
788 | if (ndim < i) |
789 | ndim = i; | |
790 | } | |
791 | ndim++; | |
792 | res = scm_make_ra (ndim); | |
793 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
794 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
795 | for (k = ndim; k--;) | |
796 | { | |
797 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
798 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
799 | } | |
800 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
801 | { | |
e11e83f3 | 802 | i = scm_to_int (ve[k]); |
0f2d19dd JB |
803 | s = &(SCM_ARRAY_DIMS (ra)[k]); |
804 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
805 | if (r->ubnd < r->lbnd) | |
806 | { | |
807 | r->lbnd = s->lbnd; | |
808 | r->ubnd = s->ubnd; | |
809 | r->inc = s->inc; | |
810 | ndim--; | |
811 | } | |
812 | else | |
813 | { | |
814 | if (r->ubnd > s->ubnd) | |
815 | r->ubnd = s->ubnd; | |
816 | if (r->lbnd < s->lbnd) | |
817 | { | |
818 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
819 | r->lbnd = s->lbnd; | |
820 | } | |
821 | r->inc += s->inc; | |
822 | } | |
823 | } | |
b3fcac34 DH |
824 | if (ndim > 0) |
825 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
826 | scm_ra_set_contp (res); |
827 | return res; | |
828 | } | |
829 | } | |
1bbd0b84 | 830 | #undef FUNC_NAME |
0f2d19dd JB |
831 | |
832 | /* args are RA . AXES */ | |
af45e3b0 DH |
833 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
834 | (SCM ra, SCM axes), | |
b380b885 MD |
835 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
836 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
837 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
838 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
839 | "the dimensions of the outer array are the same as those of the original\n" | |
840 | "array that did not match a @var{dim}.\n\n" | |
841 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
842 | "be set using @code{array-set!}. Two references to the same element of\n" | |
843 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
844 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
845 | "enclosed array is unspecified.\n\n" | |
846 | "examples:\n" | |
1e6808ea | 847 | "@lisp\n" |
b380b885 MD |
848 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
849 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
850 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
851 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 852 | "@end lisp") |
1bbd0b84 | 853 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 854 | { |
af45e3b0 | 855 | SCM axv, res, ra_inr; |
cc95e00a | 856 | const char *c_axv; |
92c2555f | 857 | scm_t_array_dim vdim, *s = &vdim; |
0f2d19dd | 858 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 859 | |
b3fcac34 | 860 | SCM_VALIDATE_REST_ARGUMENT (axes); |
d2e53ed6 | 861 | if (scm_is_null (axes)) |
e11e83f3 | 862 | axes = scm_cons ((SCM_ARRAYP (ra) ? scm_from_size_t (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
0f2d19dd | 863 | ninr = scm_ilength (axes); |
b3fcac34 DH |
864 | if (ninr < 0) |
865 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
866 | ra_inr = scm_make_ra (ninr); |
867 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
e0e49670 MV |
868 | |
869 | if (scm_is_uniform_vector (ra)) | |
870 | goto uniform_vector; | |
871 | ||
74014c46 | 872 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
873 | { |
874 | default: | |
276dd677 | 875 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
876 | case scm_tc7_string: |
877 | case scm_tc7_bvect: | |
0f2d19dd | 878 | case scm_tc7_vector: |
95f5b0f5 | 879 | case scm_tc7_wvect: |
e0e49670 | 880 | uniform_vector: |
0f2d19dd | 881 | s->lbnd = 0; |
e11e83f3 | 882 | s->ubnd = scm_to_long (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
883 | s->inc = 1; |
884 | SCM_ARRAY_V (ra_inr) = ra; | |
885 | SCM_ARRAY_BASE (ra_inr) = 0; | |
886 | ndim = 1; | |
887 | break; | |
888 | case scm_tc7_smob: | |
889 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
890 | s = SCM_ARRAY_DIMS (ra); | |
891 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
892 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
893 | ndim = SCM_ARRAY_NDIM (ra); | |
894 | break; | |
895 | } | |
896 | noutr = ndim - ninr; | |
b3fcac34 DH |
897 | if (noutr < 0) |
898 | SCM_WRONG_NUM_ARGS (); | |
e11e83f3 | 899 | axv = scm_make_string (scm_from_int (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
900 | res = scm_make_ra (noutr); |
901 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
902 | SCM_ARRAY_V (res) = ra_inr; | |
903 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
904 | { | |
e11e83f3 | 905 | if (!scm_is_integer (SCM_CAR (axes))) |
b3fcac34 | 906 | SCM_MISC_ERROR ("bad axis", SCM_EOL); |
e11e83f3 | 907 | j = scm_to_int (SCM_CAR (axes)); |
0f2d19dd JB |
908 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; |
909 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
910 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
cc95e00a | 911 | scm_c_string_set_x (axv, j, SCM_MAKE_CHAR (1)); |
0f2d19dd | 912 | } |
cc95e00a | 913 | c_axv = scm_i_string_chars (axv); |
0f2d19dd JB |
914 | for (j = 0, k = 0; k < noutr; k++, j++) |
915 | { | |
cc95e00a | 916 | while (c_axv[j]) |
0f2d19dd JB |
917 | j++; |
918 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
919 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
920 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
921 | } | |
cc95e00a | 922 | scm_remember_upto_here_1 (axv); |
0f2d19dd JB |
923 | scm_ra_set_contp (ra_inr); |
924 | scm_ra_set_contp (res); | |
925 | return res; | |
926 | } | |
1bbd0b84 | 927 | #undef FUNC_NAME |
0f2d19dd JB |
928 | |
929 | ||
930 | ||
af45e3b0 DH |
931 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
932 | (SCM v, SCM args), | |
1e6808ea MG |
933 | "Return @code{#t} if its arguments would be acceptable to\n" |
934 | "@code{array-ref}.") | |
1bbd0b84 | 935 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 936 | { |
af45e3b0 | 937 | SCM ind = SCM_EOL; |
c014a02e | 938 | long pos = 0; |
1be6b49c | 939 | register size_t k; |
c014a02e | 940 | register long j; |
92c2555f | 941 | scm_t_array_dim *s; |
af45e3b0 | 942 | |
b3fcac34 | 943 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
944 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
945 | if (SCM_NIMP (args)) | |
946 | ||
947 | { | |
948 | ind = SCM_CAR (args); | |
949 | args = SCM_CDR (args); | |
e11e83f3 | 950 | pos = scm_to_long (ind); |
0f2d19dd JB |
951 | } |
952 | tail: | |
e0e49670 MV |
953 | |
954 | if (scm_is_uniform_vector (v)) | |
955 | goto uniform_vector; | |
956 | ||
74014c46 | 957 | switch SCM_TYP7 (v) |
0f2d19dd JB |
958 | { |
959 | default: | |
276dd677 | 960 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 961 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
962 | case scm_tc7_smob: |
963 | k = SCM_ARRAY_NDIM (v); | |
964 | s = SCM_ARRAY_DIMS (v); | |
965 | pos = SCM_ARRAY_BASE (v); | |
966 | if (!k) | |
967 | { | |
d2e53ed6 | 968 | SCM_ASRTGO (scm_is_null (ind), wna); |
0f2d19dd JB |
969 | ind = SCM_INUM0; |
970 | } | |
971 | else | |
972 | while (!0) | |
973 | { | |
e11e83f3 | 974 | j = scm_to_long (ind); |
0f2d19dd JB |
975 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) |
976 | { | |
977 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
978 | return SCM_BOOL_F; | |
979 | } | |
980 | pos += (j - s->lbnd) * (s->inc); | |
981 | if (!(--k && SCM_NIMP (args))) | |
982 | break; | |
983 | ind = SCM_CAR (args); | |
984 | args = SCM_CDR (args); | |
985 | s++; | |
e11e83f3 | 986 | if (!scm_is_integer (ind)) |
b3fcac34 | 987 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
988 | } |
989 | SCM_ASRTGO (0 == k, wna); | |
990 | v = SCM_ARRAY_V (v); | |
991 | goto tail; | |
992 | case scm_tc7_bvect: | |
993 | case scm_tc7_string: | |
0f2d19dd | 994 | case scm_tc7_vector: |
95f5b0f5 | 995 | case scm_tc7_wvect: |
e0e49670 | 996 | uniform_vector: |
74014c46 | 997 | { |
e11e83f3 | 998 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (v)); |
d2e53ed6 | 999 | SCM_ASRTGO (scm_is_null (args) && scm_is_integer (ind), wna); |
7888309b | 1000 | return scm_from_bool(pos >= 0 && pos < length); |
74014c46 | 1001 | } |
0f2d19dd JB |
1002 | } |
1003 | } | |
1bbd0b84 | 1004 | #undef FUNC_NAME |
0f2d19dd JB |
1005 | |
1006 | ||
e0e49670 | 1007 | SCM_DEFINE (scm_array_ref, "array-ref", 1, 0, 1, |
1bbd0b84 | 1008 | (SCM v, SCM args), |
1e6808ea MG |
1009 | "Return the element at the @code{(index1, index2)} element in\n" |
1010 | "@var{array}.") | |
e0e49670 | 1011 | #define FUNC_NAME s_scm_array_ref |
0f2d19dd | 1012 | { |
c014a02e | 1013 | long pos; |
0f2d19dd | 1014 | |
35de7ebe | 1015 | if (SCM_IMP (v)) |
0f2d19dd | 1016 | { |
d2e53ed6 | 1017 | SCM_ASRTGO (scm_is_null (args), badarg); |
0f2d19dd JB |
1018 | return v; |
1019 | } | |
1020 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1021 | { |
1bbd0b84 | 1022 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1023 | v = SCM_ARRAY_V (v); |
1024 | } | |
1025 | else | |
1026 | { | |
c014a02e | 1027 | unsigned long int length; |
0f2d19dd | 1028 | if (SCM_NIMP (args)) |
0f2d19dd | 1029 | { |
d2e53ed6 | 1030 | SCM_ASSERT (scm_is_pair (args), args, SCM_ARG2, FUNC_NAME); |
e11e83f3 | 1031 | pos = scm_to_long (SCM_CAR (args)); |
d2e53ed6 | 1032 | SCM_ASRTGO (scm_is_null (SCM_CDR (args)), wna); |
0f2d19dd JB |
1033 | } |
1034 | else | |
1035 | { | |
a55c2b68 | 1036 | pos = scm_to_long (args); |
0f2d19dd | 1037 | } |
e11e83f3 | 1038 | length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 | 1039 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); |
0f2d19dd | 1040 | } |
e0e49670 MV |
1041 | |
1042 | if (scm_is_uniform_vector (v)) | |
1043 | return scm_uniform_vector_ref (v, scm_from_long (pos)); | |
1044 | ||
74014c46 | 1045 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1046 | { |
1047 | default: | |
d2e53ed6 | 1048 | if (scm_is_null (args)) |
0f2d19dd | 1049 | return v; |
35de7ebe | 1050 | badarg: |
276dd677 DH |
1051 | SCM_WRONG_TYPE_ARG (1, v); |
1052 | /* not reached */ | |
c209c88e GB |
1053 | |
1054 | outrng: | |
e11e83f3 | 1055 | scm_out_of_range (FUNC_NAME, scm_from_long (pos)); |
c209c88e | 1056 | wna: |
b3fcac34 | 1057 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1058 | case scm_tc7_smob: |
1059 | { /* enclosed */ | |
1060 | int k = SCM_ARRAY_NDIM (v); | |
1061 | SCM res = scm_make_ra (k); | |
1062 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1063 | SCM_ARRAY_BASE (res) = pos; | |
1064 | while (k--) | |
1065 | { | |
1066 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1067 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1068 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1069 | } | |
1070 | return res; | |
1071 | } | |
1072 | case scm_tc7_bvect: | |
c209c88e | 1073 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1074 | return SCM_BOOL_T; |
1075 | else | |
1076 | return SCM_BOOL_F; | |
1077 | case scm_tc7_string: | |
cc95e00a | 1078 | return scm_c_string_ref (v, pos); |
0f2d19dd | 1079 | case scm_tc7_vector: |
95f5b0f5 | 1080 | case scm_tc7_wvect: |
0f2d19dd JB |
1081 | return SCM_VELTS (v)[pos]; |
1082 | } | |
1083 | } | |
1bbd0b84 | 1084 | #undef FUNC_NAME |
0f2d19dd JB |
1085 | |
1086 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1087 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1088 | |
0f2d19dd | 1089 | SCM |
c014a02e | 1090 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1091 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1092 | { |
e0e49670 MV |
1093 | if (scm_is_uniform_vector (v)) |
1094 | return scm_uniform_vector_ref (v, scm_from_ulong (pos)); | |
1095 | ||
5c11cc9d | 1096 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1097 | { |
1098 | default: | |
db4b4ca6 | 1099 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1100 | case scm_tc7_bvect: |
34d19ef6 | 1101 | if (SCM_BITVEC_REF(v, pos)) |
0f2d19dd JB |
1102 | return SCM_BOOL_T; |
1103 | else | |
1104 | return SCM_BOOL_F; | |
1105 | case scm_tc7_string: | |
cc95e00a | 1106 | return scm_c_string_ref (v, pos); |
0f2d19dd | 1107 | case scm_tc7_vector: |
95f5b0f5 | 1108 | case scm_tc7_wvect: |
0f2d19dd JB |
1109 | return SCM_VELTS (v)[pos]; |
1110 | case scm_tc7_smob: | |
1111 | { /* enclosed scm_array */ | |
1112 | int k = SCM_ARRAY_NDIM (v); | |
1113 | SCM res = scm_make_ra (k); | |
1114 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1115 | SCM_ARRAY_BASE (res) = pos; | |
1116 | while (k--) | |
1117 | { | |
1118 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1119 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1120 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1121 | } | |
1122 | return res; | |
1123 | } | |
1124 | } | |
1125 | } | |
db4b4ca6 DH |
1126 | #undef FUNC_NAME |
1127 | ||
0f2d19dd | 1128 | |
1bbd0b84 GB |
1129 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1130 | ||
1cc91f1b | 1131 | |
0aa0871f GH |
1132 | /* Note that args may be a list or an immediate object, depending which |
1133 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1134 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1135 | (SCM v, SCM obj, SCM args), |
8f85c0c6 NJ |
1136 | "@deffnx {Scheme Procedure} uniform-array-set1! v obj args\n" |
1137 | "Set the element at the @code{(index1, index2)} element in @var{array} to\n" | |
b380b885 | 1138 | "@var{new-value}. The value returned by array-set! is unspecified.") |
1bbd0b84 | 1139 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1140 | { |
c014a02e | 1141 | long pos = 0; |
b3fcac34 | 1142 | |
0f2d19dd JB |
1143 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1144 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1145 | { |
1bbd0b84 | 1146 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1147 | v = SCM_ARRAY_V (v); |
1148 | } | |
1149 | else | |
1150 | { | |
c014a02e | 1151 | unsigned long int length; |
d2e53ed6 | 1152 | if (scm_is_pair (args)) |
0f2d19dd | 1153 | { |
d2e53ed6 | 1154 | SCM_ASRTGO (scm_is_null (SCM_CDR (args)), wna); |
e11e83f3 | 1155 | pos = scm_to_long (SCM_CAR (args)); |
0f2d19dd JB |
1156 | } |
1157 | else | |
1158 | { | |
a55c2b68 | 1159 | pos = scm_to_long (args); |
0f2d19dd | 1160 | } |
e11e83f3 | 1161 | length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 | 1162 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); |
0f2d19dd | 1163 | } |
e0e49670 MV |
1164 | |
1165 | if (scm_is_uniform_vector (v)) | |
1166 | return scm_uniform_vector_set_x (v, scm_from_long (pos), obj); | |
1167 | ||
0f2d19dd JB |
1168 | switch (SCM_TYP7 (v)) |
1169 | { | |
35de7ebe | 1170 | default: badarg1: |
276dd677 DH |
1171 | SCM_WRONG_TYPE_ARG (1, v); |
1172 | /* not reached */ | |
c209c88e | 1173 | outrng: |
e11e83f3 | 1174 | scm_out_of_range (FUNC_NAME, scm_from_long (pos)); |
c209c88e | 1175 | wna: |
b3fcac34 | 1176 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1177 | case scm_tc7_smob: /* enclosed */ |
1178 | goto badarg1; | |
1179 | case scm_tc7_bvect: | |
7888309b | 1180 | if (scm_is_false (obj)) |
34d19ef6 | 1181 | SCM_BITVEC_CLR(v, pos); |
bc36d050 | 1182 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
34d19ef6 | 1183 | SCM_BITVEC_SET(v, pos); |
0f2d19dd | 1184 | else |
276dd677 | 1185 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1186 | break; |
1187 | case scm_tc7_string: | |
7866a09b | 1188 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
cc95e00a | 1189 | scm_c_string_set_x (v, pos, obj); |
0f2d19dd | 1190 | break; |
0f2d19dd | 1191 | case scm_tc7_vector: |
95f5b0f5 | 1192 | case scm_tc7_wvect: |
34d19ef6 | 1193 | SCM_VECTOR_SET (v, pos, obj); |
0f2d19dd JB |
1194 | break; |
1195 | } | |
1196 | return SCM_UNSPECIFIED; | |
1197 | } | |
1bbd0b84 | 1198 | #undef FUNC_NAME |
0f2d19dd | 1199 | |
1d7bdb25 GH |
1200 | /* attempts to unroll an array into a one-dimensional array. |
1201 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1202 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1203 | wouldn't have contiguous elements. */ |
3b3b36dd | 1204 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1205 | (SCM ra, SCM strict), |
b380b885 MD |
1206 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" |
1207 | "without changing their order (last subscript changing fastest), then\n" | |
1208 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1209 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1210 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1211 | "@var{make-shared-array} may not be.\n\n" | |
1212 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1213 | "be returned only if its elements are stored internally contiguous in\n" | |
1214 | "memory.") | |
1bbd0b84 | 1215 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1216 | { |
1217 | SCM sra; | |
e0e49670 MV |
1218 | |
1219 | if (scm_is_uniform_vector (ra)) | |
1220 | return ra; | |
1221 | ||
0f2d19dd | 1222 | if (SCM_IMP (ra)) |
f3667f52 | 1223 | return SCM_BOOL_F; |
e0e49670 | 1224 | |
5c11cc9d | 1225 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1226 | { |
1227 | default: | |
1228 | return SCM_BOOL_F; | |
1229 | case scm_tc7_vector: | |
95f5b0f5 | 1230 | case scm_tc7_wvect: |
0f2d19dd JB |
1231 | case scm_tc7_string: |
1232 | case scm_tc7_bvect: | |
0f2d19dd JB |
1233 | return ra; |
1234 | case scm_tc7_smob: | |
1235 | { | |
c014a02e | 1236 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1237 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1238 | return SCM_BOOL_F; | |
1239 | for (k = 0; k < ndim; k++) | |
1240 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1241 | if (!SCM_UNBNDP (strict)) | |
1242 | { | |
0f2d19dd JB |
1243 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1244 | return SCM_BOOL_F; | |
1245 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1246 | { | |
74014c46 | 1247 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1248 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1249 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1250 | return SCM_BOOL_F; |
1251 | } | |
1252 | } | |
74014c46 DH |
1253 | |
1254 | { | |
1255 | SCM v = SCM_ARRAY_V (ra); | |
e11e83f3 | 1256 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 DH |
1257 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1258 | return v; | |
1259 | } | |
1260 | ||
0f2d19dd JB |
1261 | sra = scm_make_ra (1); |
1262 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1263 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1264 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1265 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1266 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1267 | return sra; | |
1268 | } | |
1269 | } | |
1270 | } | |
1bbd0b84 | 1271 | #undef FUNC_NAME |
0f2d19dd | 1272 | |
1cc91f1b | 1273 | |
0f2d19dd | 1274 | SCM |
6e8d25a6 | 1275 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1276 | { |
1277 | SCM ret; | |
c014a02e ML |
1278 | long inc = 1; |
1279 | size_t k, len = 1; | |
0f2d19dd JB |
1280 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1281 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1282 | k = SCM_ARRAY_NDIM (ra); | |
1283 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1284 | { | |
74014c46 | 1285 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1286 | return ra; |
74014c46 | 1287 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1288 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1289 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1290 | return ra; |
1291 | } | |
1292 | ret = scm_make_ra (k); | |
1293 | SCM_ARRAY_BASE (ret) = 0; | |
1294 | while (k--) | |
1295 | { | |
1296 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1297 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1298 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1299 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1300 | } | |
08112c95 | 1301 | SCM_ARRAY_V (ret) = scm_make_uve (inc, scm_array_prototype (ra)); |
0f2d19dd JB |
1302 | if (copy) |
1303 | scm_array_copy_x (ra, ret); | |
1304 | return ret; | |
1305 | } | |
1306 | ||
1307 | ||
1308 | ||
3b3b36dd | 1309 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1310 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 NJ |
1311 | "@deffnx {Scheme Procedure} uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1312 | "Attempt to read all elements of @var{ura}, in lexicographic order, as\n" | |
b380b885 | 1313 | "binary objects from @var{port-or-fdes}.\n" |
8f85c0c6 NJ |
1314 | "If an end of file is encountered,\n" |
1315 | "the objects up to that point are put into @var{ura}\n" | |
b380b885 MD |
1316 | "(starting at the beginning) and the remainder of the array is\n" |
1317 | "unchanged.\n\n" | |
1318 | "The optional arguments @var{start} and @var{end} allow\n" | |
1319 | "a specified region of a vector (or linearized array) to be read,\n" | |
1320 | "leaving the remainder of the vector unchanged.\n\n" | |
1321 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1322 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1323 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1324 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1325 | { |
35de7ebe | 1326 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1327 | long sz, vlen, ans; |
1328 | long cstart = 0; | |
1329 | long cend; | |
1330 | long offset = 0; | |
405aaef9 | 1331 | char *base; |
35de7ebe | 1332 | |
0f2d19dd | 1333 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1334 | if (SCM_UNBNDP (port_or_fd)) |
1335 | port_or_fd = scm_cur_inp; | |
1336 | else | |
e11e83f3 | 1337 | SCM_ASSERT (scm_is_integer (port_or_fd) |
0c95b57d | 1338 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1339 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1340 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1341 | ? 0 | |
e11e83f3 | 1342 | : scm_to_long (scm_uniform_vector_length (v))); |
35de7ebe | 1343 | |
0f2d19dd | 1344 | loop: |
e0e49670 | 1345 | if (scm_is_uniform_vector (v)) |
0f2d19dd | 1346 | { |
e0e49670 MV |
1347 | base = scm_uniform_vector_elements (v); |
1348 | sz = scm_uniform_vector_element_size (v); | |
1349 | } | |
1350 | else | |
1351 | switch SCM_TYP7 (v) | |
1352 | { | |
1353 | default: | |
1354 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); | |
1355 | case scm_tc7_smob: | |
1356 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1357 | cra = scm_ra2contig (ra, 0); | |
1358 | cstart += SCM_ARRAY_BASE (cra); | |
1359 | vlen = SCM_ARRAY_DIMS (cra)->inc * | |
1360 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); | |
1361 | v = SCM_ARRAY_V (cra); | |
1362 | goto loop; | |
1363 | case scm_tc7_string: | |
1364 | base = NULL; /* writing to strings is special, see below. */ | |
1365 | sz = sizeof (char); | |
1366 | break; | |
1367 | case scm_tc7_bvect: | |
1368 | base = (char *) SCM_BITVECTOR_BASE (v); | |
1369 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; | |
1370 | cstart /= SCM_LONG_BIT; | |
1371 | sz = sizeof (long); | |
1372 | break; | |
e0e49670 MV |
1373 | } |
1374 | ||
1146b6cd GH |
1375 | cend = vlen; |
1376 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1377 | { |
1146b6cd | 1378 | offset = |
c014a02e | 1379 | SCM_NUM2LONG (3, start); |
35de7ebe | 1380 | |
1146b6cd | 1381 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1382 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1383 | |
1384 | if (!SCM_UNBNDP (end)) | |
1385 | { | |
c014a02e ML |
1386 | long tend = |
1387 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1388 | |
1146b6cd | 1389 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1390 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1391 | cend = tend; |
1392 | } | |
0f2d19dd | 1393 | } |
35de7ebe | 1394 | |
3d8d56df GH |
1395 | if (SCM_NIMP (port_or_fd)) |
1396 | { | |
92c2555f | 1397 | scm_t_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1398 | int remaining = (cend - offset) * sz; |
cc95e00a | 1399 | size_t off = (cstart + offset) * sz; |
6c951427 GH |
1400 | |
1401 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1402 | scm_flush (port_or_fd); |
6c951427 GH |
1403 | |
1404 | ans = cend - offset; | |
1405 | while (remaining > 0) | |
3d8d56df | 1406 | { |
6c951427 GH |
1407 | if (pt->read_pos < pt->read_end) |
1408 | { | |
1409 | int to_copy = min (pt->read_end - pt->read_pos, | |
1410 | remaining); | |
1411 | ||
cc95e00a MV |
1412 | if (base == NULL) |
1413 | { | |
1414 | /* strings */ | |
1415 | char *b = scm_i_string_writable_chars (v); | |
1416 | memcpy (b + off, pt->read_pos, to_copy); | |
1417 | scm_i_string_stop_writing (); | |
1418 | } | |
1419 | else | |
1420 | memcpy (base + off, pt->read_pos, to_copy); | |
6c951427 GH |
1421 | pt->read_pos += to_copy; |
1422 | remaining -= to_copy; | |
cc95e00a | 1423 | off += to_copy; |
6c951427 GH |
1424 | } |
1425 | else | |
1426 | { | |
affc96b5 | 1427 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1428 | { |
1429 | if (remaining % sz != 0) | |
1430 | { | |
5d2d2ffc | 1431 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1432 | } |
1433 | ans -= remaining / sz; | |
1434 | break; | |
1435 | } | |
6c951427 | 1436 | } |
3d8d56df | 1437 | } |
6c951427 GH |
1438 | |
1439 | if (pt->rw_random) | |
1440 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1441 | } |
1442 | else /* file descriptor. */ | |
1443 | { | |
cc95e00a MV |
1444 | if (base == NULL) |
1445 | { | |
1446 | /* strings */ | |
1447 | char *b = scm_i_string_writable_chars (v); | |
1448 | SCM_SYSCALL (ans = read (scm_to_int (port_or_fd), | |
1449 | b + (cstart + offset) * sz, | |
1450 | (sz * (cend - offset)))); | |
1451 | scm_i_string_stop_writing (); | |
1452 | } | |
1453 | else | |
1454 | SCM_SYSCALL (ans = read (scm_to_int (port_or_fd), | |
1455 | base + (cstart + offset) * sz, | |
1456 | (sz * (cend - offset)))); | |
3d8d56df | 1457 | if (ans == -1) |
1bbd0b84 | 1458 | SCM_SYSERROR; |
3d8d56df | 1459 | } |
0f2d19dd | 1460 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1461 | ans *= SCM_LONG_BIT; |
35de7ebe | 1462 | |
bc36d050 | 1463 | if (!scm_is_eq (v, ra) && !scm_is_eq (cra, ra)) |
0f2d19dd | 1464 | scm_array_copy_x (cra, ra); |
35de7ebe | 1465 | |
e11e83f3 | 1466 | return scm_from_long (ans); |
0f2d19dd | 1467 | } |
1bbd0b84 | 1468 | #undef FUNC_NAME |
0f2d19dd | 1469 | |
3b3b36dd | 1470 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1471 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 | 1472 | "@deffnx {Scheme Procedure} uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
b380b885 MD |
1473 | "Writes all elements of @var{ura} as binary objects to\n" |
1474 | "@var{port-or-fdes}.\n\n" | |
1475 | "The optional arguments @var{start}\n" | |
1476 | "and @var{end} allow\n" | |
1477 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
9401323e | 1478 | "The number of objects actually written is returned.\n" |
b380b885 MD |
1479 | "@var{port-or-fdes} may be\n" |
1480 | "omitted, in which case it defaults to the value returned by\n" | |
1481 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1482 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1483 | { |
c014a02e ML |
1484 | long sz, vlen, ans; |
1485 | long offset = 0; | |
1486 | long cstart = 0; | |
1487 | long cend; | |
cc95e00a | 1488 | const char *base; |
3d8d56df | 1489 | |
78446828 MV |
1490 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1491 | ||
0f2d19dd | 1492 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1493 | if (SCM_UNBNDP (port_or_fd)) |
1494 | port_or_fd = scm_cur_outp; | |
1495 | else | |
e11e83f3 | 1496 | SCM_ASSERT (scm_is_integer (port_or_fd) |
0c95b57d | 1497 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1498 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1499 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1500 | ? 0 | |
e11e83f3 | 1501 | : scm_to_long (scm_uniform_vector_length (v))); |
d245ce23 | 1502 | |
0f2d19dd | 1503 | loop: |
e0e49670 | 1504 | if (scm_is_uniform_vector (v)) |
0f2d19dd | 1505 | { |
e0e49670 MV |
1506 | base = scm_uniform_vector_elements (v); |
1507 | sz = scm_uniform_vector_element_size (v); | |
1508 | } | |
1509 | else | |
1510 | switch SCM_TYP7 (v) | |
1511 | { | |
1512 | default: | |
1513 | badarg1:SCM_WRONG_TYPE_ARG (1, v); | |
1514 | case scm_tc7_smob: | |
1515 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1516 | v = scm_ra2contig (v, 1); | |
1517 | cstart = SCM_ARRAY_BASE (v); | |
1518 | vlen = (SCM_ARRAY_DIMS (v)->inc | |
1519 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1)); | |
1520 | v = SCM_ARRAY_V (v); | |
1521 | goto loop; | |
1522 | case scm_tc7_string: | |
1523 | base = scm_i_string_chars (v); | |
1524 | sz = sizeof (char); | |
1525 | break; | |
1526 | case scm_tc7_bvect: | |
1527 | base = (char *) SCM_BITVECTOR_BASE (v); | |
1528 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; | |
1529 | cstart /= SCM_LONG_BIT; | |
1530 | sz = sizeof (long); | |
1531 | break; | |
e0e49670 MV |
1532 | } |
1533 | ||
1146b6cd GH |
1534 | cend = vlen; |
1535 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1536 | { |
1146b6cd | 1537 | offset = |
c014a02e | 1538 | SCM_NUM2LONG (3, start); |
3d8d56df | 1539 | |
1146b6cd | 1540 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1541 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1542 | |
1543 | if (!SCM_UNBNDP (end)) | |
1544 | { | |
c014a02e ML |
1545 | long tend = |
1546 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1547 | |
1146b6cd | 1548 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1549 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1550 | cend = tend; |
1551 | } | |
3d8d56df GH |
1552 | } |
1553 | ||
1554 | if (SCM_NIMP (port_or_fd)) | |
1555 | { | |
cc95e00a | 1556 | const char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1557 | |
1558 | ans = cend - offset; | |
265e6a4d | 1559 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1560 | } |
1561 | else /* file descriptor. */ | |
1562 | { | |
e11e83f3 | 1563 | SCM_SYSCALL (ans = write (scm_to_int (port_or_fd), |
405aaef9 | 1564 | base + (cstart + offset) * sz, |
1be6b49c | 1565 | (sz * (cend - offset)))); |
3d8d56df | 1566 | if (ans == -1) |
1bbd0b84 | 1567 | SCM_SYSERROR; |
3d8d56df | 1568 | } |
0f2d19dd | 1569 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1570 | ans *= SCM_LONG_BIT; |
3d8d56df | 1571 | |
e11e83f3 | 1572 | return scm_from_long (ans); |
0f2d19dd | 1573 | } |
1bbd0b84 | 1574 | #undef FUNC_NAME |
0f2d19dd JB |
1575 | |
1576 | ||
1577 | static char cnt_tab[16] = | |
1578 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1579 | ||
3b3b36dd | 1580 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1581 | (SCM b, SCM bitvector), |
1e6808ea | 1582 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1583 | "@var{bitvector}.") |
1bbd0b84 | 1584 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1585 | { |
44e47754 | 1586 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1587 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1588 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1589 | return SCM_INUM0; |
1590 | } else { | |
c014a02e ML |
1591 | unsigned long int count = 0; |
1592 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1593 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1594 | if (scm_is_false (b)) { |
44e47754 DH |
1595 | w = ~w; |
1596 | }; | |
c014a02e | 1597 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1598 | while (1) { |
1599 | while (w) { | |
1600 | count += cnt_tab[w & 0x0f]; | |
1601 | w >>= 4; | |
1602 | } | |
1603 | if (i == 0) { | |
e11e83f3 | 1604 | return scm_from_ulong (count); |
44e47754 DH |
1605 | } else { |
1606 | --i; | |
1607 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1608 | if (scm_is_false (b)) { |
44e47754 | 1609 | w = ~w; |
0f2d19dd | 1610 | } |
44e47754 | 1611 | } |
0f2d19dd | 1612 | } |
44e47754 | 1613 | } |
0f2d19dd | 1614 | } |
1bbd0b84 | 1615 | #undef FUNC_NAME |
0f2d19dd JB |
1616 | |
1617 | ||
3b3b36dd | 1618 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1619 | (SCM item, SCM v, SCM k), |
88ecf5cb KR |
1620 | "Return the index of the first occurrance of @var{item} in bit\n" |
1621 | "vector @var{v}, starting from @var{k}. If there is no\n" | |
1622 | "@var{item} entry between @var{k} and the end of\n" | |
1623 | "@var{bitvector}, then return @code{#f}. For example,\n" | |
1624 | "\n" | |
1625 | "@example\n" | |
1626 | "(bit-position #t #*000101 0) @result{} 3\n" | |
1627 | "(bit-position #f #*0001111 3) @result{} #f\n" | |
1628 | "@end example") | |
1bbd0b84 | 1629 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1630 | { |
c014a02e ML |
1631 | long i, lenw, xbits, pos; |
1632 | register unsigned long w; | |
74014c46 DH |
1633 | |
1634 | SCM_VALIDATE_BOOL (1, item); | |
1635 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
a55c2b68 | 1636 | pos = scm_to_long (k); |
74014c46 DH |
1637 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1638 | ||
1639 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1640 | return SCM_BOOL_F; |
74014c46 | 1641 | |
c014a02e ML |
1642 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1643 | i = pos / SCM_LONG_BIT; | |
74014c46 | 1644 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1645 | if (scm_is_false (item)) |
74014c46 | 1646 | w = ~w; |
c014a02e | 1647 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1648 | pos -= xbits; |
1649 | w = ((w >> xbits) << xbits); | |
c014a02e | 1650 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1651 | while (!0) |
1652 | { | |
1653 | if (w && (i == lenw)) | |
1654 | w = ((w << xbits) >> xbits); | |
1655 | if (w) | |
1656 | while (w) | |
1657 | switch (w & 0x0f) | |
1658 | { | |
1659 | default: | |
e11e83f3 | 1660 | return scm_from_long (pos); |
74014c46 DH |
1661 | case 2: |
1662 | case 6: | |
1663 | case 10: | |
1664 | case 14: | |
e11e83f3 | 1665 | return scm_from_long (pos + 1); |
74014c46 DH |
1666 | case 4: |
1667 | case 12: | |
e11e83f3 | 1668 | return scm_from_long (pos + 2); |
74014c46 | 1669 | case 8: |
e11e83f3 | 1670 | return scm_from_long (pos + 3); |
74014c46 DH |
1671 | case 0: |
1672 | pos += 4; | |
1673 | w >>= 4; | |
1674 | } | |
1675 | if (++i > lenw) | |
1676 | break; | |
c014a02e | 1677 | pos += SCM_LONG_BIT; |
f1267706 | 1678 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1679 | if (scm_is_false (item)) |
0f2d19dd | 1680 | w = ~w; |
0f2d19dd | 1681 | } |
74014c46 | 1682 | return SCM_BOOL_F; |
0f2d19dd | 1683 | } |
1bbd0b84 | 1684 | #undef FUNC_NAME |
0f2d19dd JB |
1685 | |
1686 | ||
3b3b36dd | 1687 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 | 1688 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1689 | "Set entries of bit vector @var{v} to @var{obj}, with @var{kv}\n" |
1690 | "selecting the entries to change. The return value is\n" | |
1691 | "unspecified.\n" | |
1692 | "\n" | |
1693 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1694 | "@code{#t} are the ones in @var{v} which are set to @var{obj}.\n" | |
1695 | "@var{kv} and @var{v} must be the same length. When @var{obj}\n" | |
1696 | "is @code{#t} it's like @var{kv} is OR'ed into @var{v}. Or when\n" | |
1697 | "@var{obj} is @code{#f} it can be seen as an ANDNOT.\n" | |
1698 | "\n" | |
1699 | "@example\n" | |
1700 | "(define bv #*01000010)\n" | |
1701 | "(bit-set*! bv #*10010001 #t)\n" | |
1702 | "bv\n" | |
1703 | "@result{} #*11010011\n" | |
1704 | "@end example\n" | |
1705 | "\n" | |
85368844 MV |
1706 | "If @var{kv} is a u32vector, then its elements are\n" |
1707 | "indices into @var{v} which are set to @var{obj}.\n" | |
88ecf5cb KR |
1708 | "\n" |
1709 | "@example\n" | |
1710 | "(define bv #*01000010)\n" | |
85368844 | 1711 | "(bit-set*! bv #u32(5 2 7) #t)\n" |
88ecf5cb KR |
1712 | "bv\n" |
1713 | "@result{} #*01100111\n" | |
1714 | "@end example") | |
1bbd0b84 | 1715 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1716 | { |
74014c46 | 1717 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
85368844 MV |
1718 | |
1719 | if (SCM_BITVECTOR_P (kv)) | |
0f2d19dd | 1720 | { |
85368844 MV |
1721 | long k; |
1722 | ||
1723 | if (SCM_BITVECTOR_LENGTH (v) != SCM_BITVECTOR_LENGTH (kv)) | |
1724 | scm_misc_error (NULL, | |
1725 | "bit vectors must have equal length", | |
1726 | SCM_EOL); | |
1727 | ||
7888309b | 1728 | if (scm_is_false (obj)) |
85368844 MV |
1729 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1730 | k--;) | |
1731 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; | |
1732 | else if (scm_is_eq (obj, SCM_BOOL_T)) | |
1733 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; | |
1734 | k--;) | |
1735 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; | |
1736 | else | |
1737 | scm_wrong_type_arg_msg (NULL, 0, obj, "boolean"); | |
1738 | } | |
1739 | else if (scm_is_true (scm_u32vector_p (kv))) | |
1740 | { | |
1741 | size_t vlen = SCM_BITVECTOR_LENGTH (v); | |
d44ff083 MV |
1742 | size_t ulen, i; |
1743 | scm_t_uint32 k, *indices; | |
1744 | ||
1745 | scm_frame_begin (0); | |
1746 | ||
1747 | ulen = scm_c_uniform_vector_length (kv); | |
1748 | indices = scm_u32vector_elements (kv); | |
1749 | scm_frame_uniform_vector_release (kv); | |
85368844 MV |
1750 | |
1751 | if (scm_to_bool (obj) == 0) | |
1752 | for (i = 0; i < ulen; i++) | |
74014c46 | 1753 | { |
d44ff083 | 1754 | k = indices[i]; |
74014c46 | 1755 | if (k >= vlen) |
85368844 | 1756 | scm_out_of_range (FUNC_NAME, scm_from_uint32 (k)); |
34d19ef6 | 1757 | SCM_BITVEC_CLR(v, k); |
74014c46 | 1758 | } |
85368844 MV |
1759 | else |
1760 | for (i = 0; i < ulen; i++) | |
74014c46 | 1761 | { |
d44ff083 | 1762 | k = indices[i]; |
74014c46 | 1763 | if (k >= vlen) |
85368844 | 1764 | scm_out_of_range (FUNC_NAME, scm_from_uint32 (k)); |
34d19ef6 | 1765 | SCM_BITVEC_SET(v, k); |
74014c46 | 1766 | } |
d44ff083 MV |
1767 | |
1768 | scm_frame_end (); | |
0f2d19dd | 1769 | } |
85368844 MV |
1770 | else |
1771 | scm_wrong_type_arg_msg (NULL, 0, kv, "bitvector or u32vector"); | |
1772 | ||
0f2d19dd JB |
1773 | return SCM_UNSPECIFIED; |
1774 | } | |
1bbd0b84 | 1775 | #undef FUNC_NAME |
0f2d19dd JB |
1776 | |
1777 | ||
3b3b36dd | 1778 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1779 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1780 | "Return a count of how many entries in bit vector @var{v} are\n" |
1781 | "equal to @var{obj}, with @var{kv} selecting the entries to\n" | |
1782 | "consider.\n" | |
1783 | "\n" | |
1784 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1785 | "@code{#t} are the ones in @var{v} which are considered.\n" | |
1786 | "@var{kv} and @var{v} must be the same length.\n" | |
1787 | "\n" | |
85368844 MV |
1788 | "If @var{kv} is a u32vector, then it contains\n" |
1789 | "the indexes in @var{v} to consider.\n" | |
88ecf5cb KR |
1790 | "\n" |
1791 | "For example,\n" | |
1792 | "\n" | |
1793 | "@example\n" | |
1794 | "(bit-count* #*01110111 #*11001101 #t) @result{} 3\n" | |
85368844 | 1795 | "(bit-count* #*01110111 #u32(7 0 4) #f) @result{} 2\n" |
88ecf5cb | 1796 | "@end example") |
1bbd0b84 | 1797 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1798 | { |
85368844 | 1799 | size_t count = 0; |
c209c88e | 1800 | |
74014c46 | 1801 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
85368844 MV |
1802 | |
1803 | if (SCM_BITVECTOR_P (kv)) | |
0f2d19dd | 1804 | { |
85368844 MV |
1805 | unsigned long k, i; |
1806 | int fObj = 0; | |
1807 | ||
1808 | if (SCM_BITVECTOR_LENGTH (v) != SCM_BITVECTOR_LENGTH (kv)) | |
1809 | scm_misc_error (NULL, | |
1810 | "bit vectors must have equal length", | |
1811 | SCM_EOL); | |
1812 | ||
74014c46 | 1813 | if (0 == SCM_BITVECTOR_LENGTH (v)) |
0f2d19dd | 1814 | return SCM_INUM0; |
85368844 MV |
1815 | |
1816 | fObj = scm_to_bool (obj); | |
1817 | ||
c014a02e ML |
1818 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
1819 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
1820 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 1821 | while (1) |
0f2d19dd JB |
1822 | { |
1823 | for (; k; k >>= 4) | |
1824 | count += cnt_tab[k & 0x0f]; | |
1825 | if (0 == i--) | |
e11e83f3 | 1826 | return scm_from_long (count); |
c209c88e GB |
1827 | |
1828 | /* urg. repetitive (see above.) */ | |
c014a02e | 1829 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1830 | } |
1831 | } | |
85368844 MV |
1832 | else if (scm_is_true (scm_u32vector_p (kv))) |
1833 | { | |
1834 | size_t vlen = SCM_BITVECTOR_LENGTH (v); | |
d44ff083 MV |
1835 | size_t ulen, i; |
1836 | scm_t_uint32 k, *indices; | |
1837 | ||
1838 | scm_frame_begin (0); | |
1839 | ||
1840 | ulen = scm_c_uniform_vector_length (kv); | |
1841 | indices = scm_u32vector_elements (kv); | |
1842 | scm_frame_uniform_vector_release (kv); | |
85368844 MV |
1843 | |
1844 | if (scm_to_bool (obj) == 0) | |
1845 | for (i = 0; i < ulen; i++) | |
1846 | { | |
d44ff083 | 1847 | k = indices[i]; |
85368844 | 1848 | if (k >= vlen) |
d44ff083 | 1849 | scm_out_of_range (FUNC_NAME, scm_from_uint32 (k)); |
85368844 MV |
1850 | if (!SCM_BITVEC_REF(v, k)) |
1851 | count++; | |
1852 | } | |
1853 | else | |
1854 | for (i = 0; i < ulen; i++) | |
1855 | { | |
d44ff083 | 1856 | k = indices[i]; |
85368844 | 1857 | if (k >= vlen) |
d44ff083 | 1858 | scm_out_of_range (FUNC_NAME, scm_from_uint32 (k)); |
85368844 MV |
1859 | if (SCM_BITVEC_REF (v, k)) |
1860 | count++; | |
1861 | } | |
d44ff083 MV |
1862 | |
1863 | scm_frame_end (); | |
85368844 MV |
1864 | } |
1865 | else | |
1866 | scm_wrong_type_arg_msg (NULL, 0, kv, "bitvector or u32vector"); | |
1867 | ||
e11e83f3 | 1868 | return scm_from_long (count); |
0f2d19dd | 1869 | } |
1bbd0b84 | 1870 | #undef FUNC_NAME |
0f2d19dd JB |
1871 | |
1872 | ||
3b3b36dd | 1873 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1874 | (SCM v), |
88ecf5cb KR |
1875 | "Modify the bit vector @var{v} by replacing each element with\n" |
1876 | "its negation.") | |
1bbd0b84 | 1877 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 1878 | { |
c014a02e | 1879 | long int k; |
74014c46 DH |
1880 | |
1881 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
1882 | ||
1883 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 1884 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1885 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 1886 | |
0f2d19dd JB |
1887 | return SCM_UNSPECIFIED; |
1888 | } | |
1bbd0b84 | 1889 | #undef FUNC_NAME |
0f2d19dd JB |
1890 | |
1891 | ||
0f2d19dd | 1892 | SCM |
cc95e00a | 1893 | scm_istr2bve (SCM str) |
0f2d19dd | 1894 | { |
cc95e00a | 1895 | size_t len = scm_i_string_length (str); |
85368844 | 1896 | SCM v = scm_make_u1vector (scm_from_size_t (len), SCM_UNDEFINED); |
c014a02e ML |
1897 | long *data = (long *) SCM_VELTS (v); |
1898 | register unsigned long mask; | |
1899 | register long k; | |
1900 | register long j; | |
cc95e00a MV |
1901 | const char *c_str = scm_i_string_chars (str); |
1902 | ||
c014a02e | 1903 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) |
0f2d19dd JB |
1904 | { |
1905 | data[k] = 0L; | |
c014a02e ML |
1906 | j = len - k * SCM_LONG_BIT; |
1907 | if (j > SCM_LONG_BIT) | |
1908 | j = SCM_LONG_BIT; | |
0f2d19dd | 1909 | for (mask = 1L; j--; mask <<= 1) |
cc95e00a | 1910 | switch (*c_str++) |
0f2d19dd JB |
1911 | { |
1912 | case '0': | |
1913 | break; | |
1914 | case '1': | |
1915 | data[k] |= mask; | |
1916 | break; | |
1917 | default: | |
1918 | return SCM_BOOL_F; | |
1919 | } | |
1920 | } | |
1921 | return v; | |
1922 | } | |
1923 | ||
1924 | ||
1cc91f1b | 1925 | |
0f2d19dd | 1926 | static SCM |
34d19ef6 | 1927 | ra2l (SCM ra, unsigned long base, unsigned long k) |
0f2d19dd JB |
1928 | { |
1929 | register SCM res = SCM_EOL; | |
c014a02e ML |
1930 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
1931 | register size_t i; | |
0f2d19dd JB |
1932 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
1933 | return SCM_EOL; | |
1934 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
1935 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
1936 | { | |
1937 | do | |
1938 | { | |
1939 | i -= inc; | |
1940 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
1941 | } | |
1942 | while (i != base); | |
1943 | } | |
1944 | else | |
1945 | do | |
1946 | { | |
1947 | i -= inc; | |
e11e83f3 | 1948 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), scm_from_size_t (i)), res); |
0f2d19dd JB |
1949 | } |
1950 | while (i != base); | |
1951 | return res; | |
1952 | } | |
1953 | ||
1954 | ||
cd328b4f | 1955 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 1956 | (SCM v), |
1e6808ea MG |
1957 | "Return a list consisting of all the elements, in order, of\n" |
1958 | "@var{array}.") | |
cd328b4f | 1959 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
1960 | { |
1961 | SCM res = SCM_EOL; | |
c014a02e | 1962 | register long k; |
e0e49670 MV |
1963 | |
1964 | if (scm_is_uniform_vector (v)) | |
1965 | return scm_uniform_vector_to_list (v); | |
1966 | ||
0f2d19dd | 1967 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 1968 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1969 | { |
1970 | default: | |
276dd677 | 1971 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1972 | case scm_tc7_smob: |
1973 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1974 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
1975 | case scm_tc7_vector: | |
95f5b0f5 | 1976 | case scm_tc7_wvect: |
0f2d19dd JB |
1977 | return scm_vector_to_list (v); |
1978 | case scm_tc7_string: | |
1979 | return scm_string_to_list (v); | |
1980 | case scm_tc7_bvect: | |
1981 | { | |
c014a02e ML |
1982 | long *data = (long *) SCM_VELTS (v); |
1983 | register unsigned long mask; | |
1984 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
1985 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
7888309b | 1986 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
c014a02e | 1987 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
7888309b | 1988 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
0f2d19dd JB |
1989 | return res; |
1990 | } | |
0f2d19dd JB |
1991 | } |
1992 | } | |
1bbd0b84 | 1993 | #undef FUNC_NAME |
0f2d19dd JB |
1994 | |
1995 | ||
c014a02e | 1996 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 1997 | |
3b3b36dd | 1998 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 1999 | (SCM ndim, SCM prot, SCM lst), |
8f85c0c6 | 2000 | "@deffnx {Scheme Procedure} list->uniform-vector prot lst\n" |
1e6808ea MG |
2001 | "Return a uniform array of the type indicated by prototype\n" |
2002 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2003 | "Elements must be of the appropriate type, no coercions are\n" | |
bfad4005 MV |
2004 | "done.\n" |
2005 | "\n" | |
2006 | "The argument @var{ndim} determines the number of dimensions\n" | |
2007 | "of the array. It is either an exact integer, giving the\n" | |
2008 | " number directly, or a list of exact integers, whose length\n" | |
2009 | "specifies the number of dimensions and each element is the\n" | |
2010 | "lower index bound of its dimension.") | |
1bbd0b84 | 2011 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd | 2012 | { |
bfad4005 | 2013 | SCM shape, row; |
0f2d19dd | 2014 | SCM ra; |
c014a02e | 2015 | unsigned long k; |
bfad4005 MV |
2016 | |
2017 | shape = SCM_EOL; | |
2018 | row = lst; | |
2019 | if (scm_is_integer (ndim)) | |
0f2d19dd | 2020 | { |
bfad4005 MV |
2021 | size_t k = scm_to_size_t (ndim); |
2022 | while (k-- > 0) | |
2023 | { | |
2024 | shape = scm_cons (scm_length (row), shape); | |
2025 | if (k > 0) | |
2026 | row = scm_car (row); | |
2027 | } | |
2028 | } | |
2029 | else | |
2030 | { | |
2031 | while (1) | |
2032 | { | |
2033 | shape = scm_cons (scm_list_2 (scm_car (ndim), | |
2034 | scm_sum (scm_sum (scm_car (ndim), | |
2035 | scm_length (row)), | |
2036 | scm_from_int (-1))), | |
2037 | shape); | |
2038 | ndim = scm_cdr (ndim); | |
2039 | if (scm_is_pair (ndim)) | |
2040 | row = scm_car (row); | |
2041 | else | |
2042 | break; | |
2043 | } | |
0f2d19dd | 2044 | } |
bfad4005 MV |
2045 | |
2046 | ra = scm_dimensions_to_uniform_array (scm_reverse_x (shape, SCM_EOL), prot, | |
d12feca3 | 2047 | SCM_UNDEFINED); |
bfad4005 | 2048 | if (scm_is_null (shape)) |
0f2d19dd JB |
2049 | { |
2050 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2051 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2052 | return ra; | |
2053 | } | |
2054 | if (!SCM_ARRAYP (ra)) | |
2055 | { | |
e11e83f3 | 2056 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (ra)); |
74014c46 | 2057 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
e11e83f3 | 2058 | scm_array_set_x (ra, SCM_CAR (lst), scm_from_ulong (k)); |
0f2d19dd JB |
2059 | return ra; |
2060 | } | |
2061 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2062 | return ra; | |
2063 | else | |
1afff620 KN |
2064 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", |
2065 | scm_list_1 (lst)); | |
0f2d19dd | 2066 | } |
1bbd0b84 | 2067 | #undef FUNC_NAME |
0f2d19dd | 2068 | |
0f2d19dd | 2069 | static int |
c014a02e | 2070 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2071 | { |
c014a02e ML |
2072 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2073 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2074 | int ok = 1; |
2075 | if (n <= 0) | |
d2e53ed6 | 2076 | return (scm_is_null (lst)); |
0f2d19dd JB |
2077 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2078 | { | |
2079 | while (n--) | |
2080 | { | |
d2e53ed6 | 2081 | if (!scm_is_pair (lst)) |
0f2d19dd JB |
2082 | return 0; |
2083 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2084 | base += inc; | |
2085 | lst = SCM_CDR (lst); | |
2086 | } | |
d2e53ed6 | 2087 | if (!scm_is_null (lst)) |
0f2d19dd JB |
2088 | return 0; |
2089 | } | |
2090 | else | |
2091 | { | |
2092 | while (n--) | |
2093 | { | |
d2e53ed6 | 2094 | if (!scm_is_pair (lst)) |
0f2d19dd | 2095 | return 0; |
e11e83f3 | 2096 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), scm_from_ulong (base)); |
0f2d19dd JB |
2097 | base += inc; |
2098 | lst = SCM_CDR (lst); | |
2099 | } | |
d2e53ed6 | 2100 | if (!scm_is_null (lst)) |
fee7ef83 | 2101 | return 0; |
0f2d19dd JB |
2102 | } |
2103 | return ok; | |
2104 | } | |
2105 | ||
1cc91f1b | 2106 | |
0f2d19dd | 2107 | static void |
34d19ef6 | 2108 | rapr1 (SCM ra, unsigned long j, unsigned long k, SCM port, scm_print_state *pstate) |
0f2d19dd | 2109 | { |
c014a02e ML |
2110 | long inc = 1; |
2111 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 | 2112 | ? 0 |
e11e83f3 | 2113 | : scm_to_long (scm_uniform_vector_length (ra))); |
0f2d19dd JB |
2114 | int enclosed = 0; |
2115 | tail: | |
5c11cc9d | 2116 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2117 | { |
2118 | case scm_tc7_smob: | |
2119 | if (enclosed++) | |
2120 | { | |
2121 | SCM_ARRAY_BASE (ra) = j; | |
2122 | if (n-- > 0) | |
9882ea19 | 2123 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2124 | for (j += inc; n-- > 0; j += inc) |
2125 | { | |
b7f3516f | 2126 | scm_putc (' ', port); |
0f2d19dd | 2127 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2128 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2129 | } |
2130 | break; | |
2131 | } | |
2132 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2133 | { | |
c014a02e | 2134 | long i; |
0f2d19dd JB |
2135 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2136 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2137 | { | |
b7f3516f | 2138 | scm_putc ('(', port); |
9882ea19 | 2139 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2140 | scm_puts (") ", port); |
0f2d19dd JB |
2141 | j += inc; |
2142 | } | |
2143 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2144 | { /* could be zero size. */ | |
b7f3516f | 2145 | scm_putc ('(', port); |
9882ea19 | 2146 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2147 | scm_putc (')', port); |
0f2d19dd JB |
2148 | } |
2149 | break; | |
2150 | } | |
1be6b49c | 2151 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2152 | { /* Could be zero-dimensional */ |
2153 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2154 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2155 | } | |
2156 | else | |
2157 | n = 1; | |
2158 | ra = SCM_ARRAY_V (ra); | |
2159 | goto tail; | |
2160 | default: | |
5c11cc9d | 2161 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2162 | if (n-- > 0) |
e0e49670 | 2163 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2164 | for (j += inc; n-- > 0; j += inc) |
2165 | { | |
b7f3516f | 2166 | scm_putc (' ', port); |
9882ea19 | 2167 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2168 | } |
2169 | break; | |
2170 | case scm_tc7_string: | |
cc95e00a MV |
2171 | { |
2172 | const char *src; | |
2173 | src = scm_i_string_chars (ra); | |
2174 | if (n-- > 0) | |
2175 | scm_iprin1 (SCM_MAKE_CHAR (src[j]), port, pstate); | |
2176 | if (SCM_WRITINGP (pstate)) | |
2177 | for (j += inc; n-- > 0; j += inc) | |
2178 | { | |
2179 | scm_putc (' ', port); | |
2180 | scm_iprin1 (SCM_MAKE_CHAR (src[j]), port, pstate); | |
2181 | } | |
2182 | else | |
2183 | for (j += inc; n-- > 0; j += inc) | |
2184 | scm_putc (src[j], port); | |
2185 | scm_remember_upto_here_1 (ra); | |
2186 | } | |
0f2d19dd | 2187 | break; |
e0e49670 | 2188 | |
0f2d19dd JB |
2189 | } |
2190 | } | |
2191 | ||
e0e49670 MV |
2192 | /* Print dimension DIM of ARRAY. |
2193 | */ | |
0f2d19dd | 2194 | |
e0e49670 MV |
2195 | static int |
2196 | scm_i_print_array_dimension (SCM array, int dim, int base, | |
2197 | SCM port, scm_print_state *pstate) | |
2198 | { | |
2199 | scm_t_array_dim *dim_spec = SCM_ARRAY_DIMS (array) + dim; | |
2200 | long idx; | |
2201 | ||
2202 | scm_putc ('(', port); | |
2203 | ||
2204 | #if 0 | |
2205 | scm_putc ('{', port); | |
2206 | scm_intprint (dim_spec->lbnd, 10, port); | |
2207 | scm_putc (':', port); | |
2208 | scm_intprint (dim_spec->ubnd, 10, port); | |
2209 | scm_putc (':', port); | |
2210 | scm_intprint (dim_spec->inc, 10, port); | |
2211 | scm_putc ('}', port); | |
2212 | #endif | |
2213 | ||
2214 | for (idx = dim_spec->lbnd; idx <= dim_spec->ubnd; idx++) | |
2215 | { | |
2216 | if (dim < SCM_ARRAY_NDIM(array)-1) | |
2217 | scm_i_print_array_dimension (array, dim+1, base, port, pstate); | |
2218 | else | |
2219 | scm_iprin1 (scm_cvref (SCM_ARRAY_V (array), base, SCM_UNDEFINED), | |
2220 | port, pstate); | |
2221 | if (idx < dim_spec->ubnd) | |
2222 | scm_putc (' ', port); | |
2223 | base += dim_spec->inc; | |
2224 | } | |
2225 | ||
2226 | scm_putc (')', port); | |
2227 | return 1; | |
2228 | } | |
2229 | ||
2230 | static const char * | |
2231 | scm_i_legacy_tag (SCM v) | |
2232 | { | |
2233 | switch (SCM_TYP7 (v)) | |
2234 | { | |
2235 | case scm_tc7_bvect: | |
2236 | return "b"; | |
2237 | case scm_tc7_string: | |
2238 | return "a"; | |
e0e49670 MV |
2239 | case scm_tc7_vector: |
2240 | case scm_tc7_wvect: | |
2241 | return ""; | |
2242 | default: | |
2243 | return "?"; | |
2244 | } | |
2245 | } | |
2246 | ||
2247 | /* Print a array. (Only for strict arrays, not for strings, uniform | |
2248 | vectors, vectors and other stuff that can masquerade as an array.) | |
2249 | */ | |
2250 | ||
2251 | /* The array tag is generally of the form | |
2252 | * | |
2253 | * #<rank><unif><@lower><@lower>... | |
2254 | * | |
2255 | * <rank> is a positive integer in decimal giving the rank of the | |
bfad4005 MV |
2256 | * array. It is omitted when the rank is 1 and the array is |
2257 | * non-shared and has zero-origin. For shared arrays and for a | |
2258 | * non-zero origin, the rank is always printed even when it is 1 to | |
2259 | * dinstinguish them from ordinary vectors. | |
e0e49670 MV |
2260 | * |
2261 | * <unif> is the tag for a uniform (or homogenous) numeric vector, | |
2262 | * like u8, s16, etc, as defined by SRFI-4. It is omitted when the | |
2263 | * array is not uniform. | |
2264 | * | |
2265 | * <@lower> is a 'at' sign followed by a integer in decimal giving the | |
2266 | * lower bound of a dimension. There is one <@lower> for each | |
2267 | * dimension. When all lower bounds are zero, all <@lower> are | |
2268 | * omitted. | |
2269 | * | |
2270 | * Thus, | |
2271 | * | |
2272 | * #(1 2 3) is non-uniform array of rank 1 with lower bound 0 in | |
2273 | * dimension 0. (I.e., a regular vector.) | |
2274 | * | |
2275 | * #@2(1 2 3) is non-uniform array of rank 1 with lower bound 2 in | |
2276 | * dimension 0. | |
2277 | * | |
2278 | * #2((1 2 3) (4 5 6)) is a non-uniform array of rank 2; a 3x3 | |
2279 | * matrix with index ranges 0..2 and 0..2. | |
2280 | * | |
2281 | * #u32(0 1 2) is a uniform u8 array of rank 1. | |
2282 | * | |
2283 | * #2u32@2@3((1 2) (2 3)) is a uniform u8 array of rank 2 with index | |
2284 | * ranges 2..3 and 3..4. | |
2285 | */ | |
2286 | ||
2287 | static int | |
2288 | scm_i_print_array (SCM array, SCM port, scm_print_state *pstate) | |
2289 | { | |
2290 | long ndim = SCM_ARRAY_NDIM (array); | |
2291 | scm_t_array_dim *dim_specs = SCM_ARRAY_DIMS (array); | |
2292 | unsigned long base = SCM_ARRAY_BASE (array); | |
2293 | long i; | |
2294 | ||
2295 | scm_putc ('#', port); | |
c0fc64c8 | 2296 | if (ndim != 1 || dim_specs[0].lbnd != 0) |
e0e49670 MV |
2297 | scm_intprint (ndim, 10, port); |
2298 | if (scm_is_uniform_vector (SCM_ARRAY_V (array))) | |
2299 | scm_puts (scm_i_uniform_vector_tag (SCM_ARRAY_V (array)), port); | |
2300 | else | |
2301 | scm_puts (scm_i_legacy_tag (SCM_ARRAY_V (array)), port); | |
2302 | for (i = 0; i < ndim; i++) | |
2303 | if (dim_specs[i].lbnd != 0) | |
2304 | { | |
2305 | for (i = 0; i < ndim; i++) | |
2306 | { | |
2307 | scm_putc ('@', port); | |
2308 | scm_uintprint (dim_specs[i].lbnd, 10, port); | |
2309 | } | |
2310 | break; | |
2311 | } | |
2312 | ||
2313 | #if 0 | |
2314 | scm_putc ('{', port); | |
2315 | scm_uintprint (base, 10, port); | |
2316 | scm_putc ('}', port); | |
2317 | #endif | |
2318 | ||
2319 | return scm_i_print_array_dimension (array, 0, base, port, pstate); | |
2320 | } | |
1cc91f1b | 2321 | |
bfad4005 MV |
2322 | /* Read an array. This function can also read vectors and uniform |
2323 | vectors. Also, the conflict between '#f' and '#f32' and '#f64' is | |
2324 | handled here. | |
2325 | ||
2326 | C is the first character read after the '#'. | |
2327 | */ | |
2328 | ||
2329 | typedef struct { | |
2330 | const char *tag; | |
2331 | SCM *proto_var; | |
2332 | } tag_proto; | |
2333 | ||
2334 | static SCM scm_i_proc_make_vector; | |
2335 | ||
2336 | static tag_proto tag_proto_table[] = { | |
2337 | { "", &scm_i_proc_make_vector }, | |
2338 | { "u8", &scm_i_proc_make_u8vector }, | |
2339 | { "s8", &scm_i_proc_make_s8vector }, | |
2340 | { "u16", &scm_i_proc_make_u16vector }, | |
2341 | { "s16", &scm_i_proc_make_s16vector }, | |
2342 | { "u32", &scm_i_proc_make_u32vector }, | |
2343 | { "s32", &scm_i_proc_make_s32vector }, | |
2344 | { "u64", &scm_i_proc_make_u64vector }, | |
2345 | { "s64", &scm_i_proc_make_s64vector }, | |
2346 | { "f32", &scm_i_proc_make_f32vector }, | |
2347 | { "f64", &scm_i_proc_make_f64vector }, | |
2348 | { NULL, NULL } | |
2349 | }; | |
2350 | ||
2351 | static SCM | |
2352 | scm_i_tag_to_prototype (const char *tag, SCM port) | |
2353 | { | |
2354 | tag_proto *tp; | |
2355 | ||
2356 | for (tp = tag_proto_table; tp->tag; tp++) | |
2357 | if (!strcmp (tp->tag, tag)) | |
2358 | return *(tp->proto_var); | |
2359 | ||
2360 | #if SCM_ENABLE_DEPRECATED | |
2361 | { | |
2362 | /* Recognize the old syntax, producing the old prototypes. | |
2363 | */ | |
2364 | SCM proto = SCM_EOL; | |
2365 | const char *instead; | |
2366 | switch (tag[0]) | |
2367 | { | |
2368 | case 'a': | |
2369 | proto = SCM_MAKE_CHAR ('a'); | |
2370 | instead = "???"; | |
2371 | break; | |
2372 | case 'u': | |
2373 | proto = scm_from_int (1); | |
2374 | instead = "u32"; | |
2375 | break; | |
2376 | case 'e': | |
2377 | proto = scm_from_int (-1); | |
2378 | instead = "s32"; | |
2379 | break; | |
2380 | case 's': | |
2381 | proto = scm_from_double (1.0); | |
2382 | instead = "f32"; | |
2383 | break; | |
2384 | case 'i': | |
2385 | proto = scm_divide (scm_from_int (1), scm_from_int (3)); | |
2386 | instead = "f64"; | |
2387 | break; | |
2388 | case 'y': | |
2389 | proto = SCM_MAKE_CHAR (0); | |
2390 | instead = "s8"; | |
2391 | break; | |
2392 | case 'h': | |
2393 | proto = scm_from_locale_symbol ("s"); | |
2394 | instead = "s16"; | |
2395 | break; | |
2396 | case 'l': | |
2397 | proto = scm_from_locale_symbol ("l"); | |
2398 | instead = "s64"; | |
2399 | break; | |
2400 | case 'c': | |
2401 | proto = scm_c_make_rectangular (0.0, 1.0); | |
72d05aa4 MV |
2402 | instead = "c64"; |
2403 | break; | |
2404 | default: | |
bfad4005 MV |
2405 | instead = "???"; |
2406 | break; | |
2407 | } | |
2408 | if (!scm_is_eq (proto, SCM_EOL) && tag[1] == '\0') | |
2409 | { | |
2410 | scm_c_issue_deprecation_warning_fmt | |
2411 | ("The tag '%c' is deprecated for uniform vectors. " | |
2412 | "Use '%s' instead.", tag[0], instead); | |
2413 | return proto; | |
2414 | } | |
2415 | } | |
2416 | #endif | |
2417 | ||
2418 | scm_i_input_error (NULL, port, | |
2419 | "unrecognized uniform array tag: ~a", | |
2420 | scm_list_1 (scm_from_locale_string (tag))); | |
2421 | return SCM_BOOL_F; | |
2422 | } | |
2423 | ||
2424 | SCM | |
2425 | scm_i_read_array (SCM port, int c) | |
2426 | { | |
2427 | size_t rank; | |
2428 | int got_rank; | |
2429 | char tag[80]; | |
2430 | int tag_len; | |
2431 | ||
2432 | SCM lower_bounds, elements; | |
2433 | ||
2434 | /* XXX - shortcut for ordinary vectors. Shouldn't be necessary but | |
2435 | the array code can not deal with zero-length dimensions yet, and | |
2436 | we want to allow zero-length vectors, of course. | |
2437 | */ | |
2438 | if (c == '(') | |
2439 | { | |
2440 | scm_ungetc (c, port); | |
2441 | return scm_vector (scm_read (port)); | |
2442 | } | |
2443 | ||
2444 | /* Disambiguate between '#f' and uniform floating point vectors. | |
2445 | */ | |
2446 | if (c == 'f') | |
2447 | { | |
2448 | c = scm_getc (port); | |
2449 | if (c != '3' && c != '6') | |
2450 | { | |
2451 | if (c != EOF) | |
2452 | scm_ungetc (c, port); | |
2453 | return SCM_BOOL_F; | |
2454 | } | |
2455 | rank = 1; | |
2456 | got_rank = 1; | |
2457 | tag[0] = 'f'; | |
2458 | tag_len = 1; | |
2459 | goto continue_reading_tag; | |
2460 | } | |
2461 | ||
2462 | /* Read rank. We disallow arrays of rank zero since they do not | |
2463 | seem to work reliably yet. */ | |
2464 | rank = 0; | |
2465 | got_rank = 0; | |
2466 | while ('0' <= c && c <= '9') | |
2467 | { | |
2468 | rank = 10*rank + c-'0'; | |
2469 | got_rank = 1; | |
2470 | c = scm_getc (port); | |
2471 | } | |
2472 | if (!got_rank) | |
2473 | rank = 1; | |
2474 | else if (rank == 0) | |
2475 | scm_i_input_error (NULL, port, | |
2476 | "array rank must be positive", SCM_EOL); | |
2477 | ||
2478 | /* Read tag. */ | |
2479 | tag_len = 0; | |
2480 | continue_reading_tag: | |
2481 | while (c != EOF && c != '(' && c != '@' && tag_len < 80) | |
2482 | { | |
2483 | tag[tag_len++] = c; | |
2484 | c = scm_getc (port); | |
2485 | } | |
2486 | tag[tag_len] = '\0'; | |
2487 | ||
2488 | /* Read lower bounds. */ | |
2489 | lower_bounds = SCM_EOL; | |
2490 | while (c == '@') | |
2491 | { | |
2492 | /* Yeah, right, we should use some ready-made integer parsing | |
2493 | routine for this... | |
2494 | */ | |
2495 | ||
2496 | long lbnd = 0; | |
2497 | long sign = 1; | |
2498 | ||
2499 | c = scm_getc (port); | |
2500 | if (c == '-') | |
2501 | { | |
2502 | sign = -1; | |
2503 | c = scm_getc (port); | |
2504 | } | |
2505 | while ('0' <= c && c <= '9') | |
2506 | { | |
2507 | lbnd = 10*lbnd + c-'0'; | |
2508 | c = scm_getc (port); | |
2509 | } | |
2510 | lower_bounds = scm_cons (scm_from_long (sign*lbnd), lower_bounds); | |
2511 | } | |
2512 | ||
2513 | /* Read nested lists of elements. | |
2514 | */ | |
2515 | if (c != '(') | |
2516 | scm_i_input_error (NULL, port, | |
2517 | "missing '(' in vector or array literal", | |
2518 | SCM_EOL); | |
2519 | scm_ungetc (c, port); | |
2520 | elements = scm_read (port); | |
2521 | ||
2522 | if (scm_is_null (lower_bounds)) | |
2523 | lower_bounds = scm_from_size_t (rank); | |
2524 | else if (scm_ilength (lower_bounds) != rank) | |
2525 | scm_i_input_error (NULL, port, | |
2526 | "the number of lower bounds must match the array rank", | |
2527 | SCM_EOL); | |
2528 | ||
2529 | /* Construct array. */ | |
2530 | return scm_list_to_uniform_array (lower_bounds, | |
2531 | scm_i_tag_to_prototype (tag, port), | |
2532 | elements); | |
2533 | } | |
2534 | ||
0f2d19dd | 2535 | int |
1bbd0b84 | 2536 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2537 | { |
2538 | SCM v = exp; | |
c014a02e | 2539 | unsigned long base = 0; |
e0e49670 | 2540 | |
bfad4005 | 2541 | if (SCM_ARRAYP (exp) && !SCM_ARRAYP (SCM_ARRAY_V (exp))) |
e0e49670 MV |
2542 | return scm_i_print_array (exp, port, pstate); |
2543 | ||
b7f3516f | 2544 | scm_putc ('#', port); |
0f2d19dd | 2545 | tail: |
5c11cc9d | 2546 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2547 | { |
2548 | case scm_tc7_smob: | |
2549 | { | |
2550 | long ndim = SCM_ARRAY_NDIM (v); | |
2551 | base = SCM_ARRAY_BASE (v); | |
2552 | v = SCM_ARRAY_V (v); | |
2553 | if (SCM_ARRAYP (v)) | |
2554 | ||
2555 | { | |
b7f3516f | 2556 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2557 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2558 | scm_putc ('>', port); |
0f2d19dd JB |
2559 | return 1; |
2560 | } | |
2561 | else | |
2562 | { | |
2563 | scm_intprint (ndim, 10, port); | |
2564 | goto tail; | |
2565 | } | |
2566 | } | |
2567 | case scm_tc7_bvect: | |
bc36d050 | 2568 | if (scm_is_eq (exp, v)) |
0f2d19dd | 2569 | { /* a uve, not an scm_array */ |
c014a02e | 2570 | register long i, j, w; |
b7f3516f | 2571 | scm_putc ('*', port); |
c014a02e | 2572 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2573 | { |
92c2555f | 2574 | scm_t_bits w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
c014a02e | 2575 | for (j = SCM_LONG_BIT; j; j--) |
0f2d19dd | 2576 | { |
b7f3516f | 2577 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2578 | w >>= 1; |
2579 | } | |
2580 | } | |
c014a02e | 2581 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2582 | if (j) |
2583 | { | |
c014a02e | 2584 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2585 | for (; j; j--) |
2586 | { | |
b7f3516f | 2587 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2588 | w >>= 1; |
2589 | } | |
2590 | } | |
2591 | return 1; | |
2592 | } | |
2593 | else | |
b7f3516f | 2594 | scm_putc ('b', port); |
0f2d19dd JB |
2595 | break; |
2596 | case scm_tc7_string: | |
b7f3516f | 2597 | scm_putc ('a', port); |
0f2d19dd | 2598 | break; |
0f2d19dd | 2599 | } |
b7f3516f | 2600 | scm_putc ('(', port); |
9882ea19 | 2601 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2602 | scm_putc (')', port); |
0f2d19dd JB |
2603 | return 1; |
2604 | } | |
2605 | ||
ab1be174 MV |
2606 | SCM_DEFINE (scm_array_creator, "array-creator", 1, 0, 0, |
2607 | (SCM ra), | |
2608 | "Return a procedure that would produce an array of the same type\n" | |
2609 | "as @var{array}, if used as the @var{creator} with\n" | |
2610 | "@code{make-uniform-array}.") | |
2611 | #define FUNC_NAME s_scm_array_creator | |
2612 | { | |
2613 | int outer = 1; | |
2614 | SCM orig_ra = ra; | |
2615 | ||
2616 | if (SCM_ARRAYP (ra)) | |
2617 | { | |
2618 | ra = SCM_ARRAY_V (ra); | |
2619 | outer = 0; | |
2620 | } | |
2621 | ||
2622 | if (scm_is_uniform_vector (ra)) | |
2623 | return scm_i_uniform_vector_creator (ra); | |
2624 | else if (scm_is_true (scm_vector_p (ra))) | |
2625 | return scm_i_proc_make_vector; | |
2626 | else if (scm_is_string (ra)) | |
2627 | return scm_i_proc_make_string; | |
2628 | else if (SCM_BITVECTOR_P (ra)) | |
2629 | return scm_i_proc_make_u1vector; | |
2630 | else if (SCM_ARRAYP (ra)) | |
2631 | scm_misc_error (NULL, "creator not known for enclosed array: ~a", | |
2632 | scm_list_1 (orig_ra)); | |
2633 | else if (outer) | |
2634 | scm_wrong_type_arg_msg (NULL, 0, ra, "array"); | |
2635 | else | |
2636 | scm_misc_error (NULL, "creator not known for array content: ~a", | |
2637 | scm_list_1 (ra)); | |
2638 | } | |
2639 | #undef FUNC_NAME | |
2640 | ||
72d05aa4 MV |
2641 | #if SCM_ENABLE_DEPRECATED |
2642 | ||
3b3b36dd | 2643 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2644 | (SCM ra), |
1e6808ea MG |
2645 | "Return an object that would produce an array of the same type\n" |
2646 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2647 | "@code{make-uniform-array}.") |
1bbd0b84 | 2648 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2649 | { |
2650 | int enclosed = 0; | |
2651 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2652 | loop: | |
74014c46 | 2653 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2654 | { |
2655 | default: | |
276dd677 | 2656 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd | 2657 | case scm_tc7_smob: |
ab1be174 MV |
2658 | if (SCM_ARRAYP (ra)) |
2659 | { | |
2660 | if (enclosed++) | |
2661 | return SCM_UNSPECIFIED; | |
2662 | ra = SCM_ARRAY_V (ra); | |
2663 | goto loop; | |
2664 | } | |
2665 | else | |
2666 | { | |
2667 | SCM proto = scm_i_get_old_prototype (ra); | |
2668 | if (scm_is_eq (SCM_UNSPECIFIED, proto)) | |
2669 | goto badarg; | |
2670 | return proto; | |
2671 | } | |
0f2d19dd | 2672 | case scm_tc7_vector: |
95f5b0f5 | 2673 | case scm_tc7_wvect: |
0f2d19dd JB |
2674 | return SCM_EOL; |
2675 | case scm_tc7_bvect: | |
2676 | return SCM_BOOL_T; | |
2677 | case scm_tc7_string: | |
7866a09b | 2678 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd JB |
2679 | } |
2680 | } | |
1bbd0b84 | 2681 | #undef FUNC_NAME |
0f2d19dd | 2682 | |
72d05aa4 | 2683 | #endif |
1cc91f1b | 2684 | |
0f2d19dd | 2685 | static SCM |
e841c3e0 | 2686 | array_mark (SCM ptr) |
0f2d19dd | 2687 | { |
0f2d19dd JB |
2688 | return SCM_ARRAY_V (ptr); |
2689 | } | |
2690 | ||
1cc91f1b | 2691 | |
1be6b49c | 2692 | static size_t |
e841c3e0 | 2693 | array_free (SCM ptr) |
0f2d19dd | 2694 | { |
4c9419ac MV |
2695 | scm_gc_free (SCM_ARRAY_MEM (ptr), |
2696 | (sizeof (scm_t_array) | |
2697 | + SCM_ARRAY_NDIM (ptr) * sizeof (scm_t_array_dim)), | |
2698 | "array"); | |
2699 | return 0; | |
0f2d19dd JB |
2700 | } |
2701 | ||
0f2d19dd JB |
2702 | void |
2703 | scm_init_unif () | |
0f2d19dd | 2704 | { |
e841c3e0 KN |
2705 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2706 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2707 | scm_set_smob_free (scm_tc16_array, array_free); | |
2708 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2709 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
cba42c93 MV |
2710 | exactly_one_third = scm_permanent_object (scm_divide (scm_from_int (1), |
2711 | scm_from_int (3))); | |
0f2d19dd | 2712 | scm_add_feature ("array"); |
a0599745 | 2713 | #include "libguile/unif.x" |
bfad4005 MV |
2714 | |
2715 | scm_i_proc_make_vector = scm_variable_ref (scm_c_lookup ("make-vector")); | |
2716 | scm_i_proc_make_string = scm_variable_ref (scm_c_lookup ("make-string")); | |
2717 | scm_i_proc_make_u1vector = scm_variable_ref (scm_c_lookup ("make-u1vector")); | |
0f2d19dd | 2718 | } |
89e00824 ML |
2719 | |
2720 | /* | |
2721 | Local Variables: | |
2722 | c-file-style: "gnu" | |
2723 | End: | |
2724 | */ |