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bc86da5d | 1 | /* Copyright (C) 1995,1996,1997,1998, 2000 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program 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 | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
c209c88e GB |
45 | /* |
46 | This file has code for arrays in lots of variants (double, integer, | |
47 | unsigned etc. ). It suffers from hugely repetitive code because | |
48 | there is similar (but different) code for every variant included. (urg.) | |
49 | ||
50 | --hwn | |
51 | */ | |
0f2d19dd JB |
52 | \f |
53 | ||
54 | #include <stdio.h> | |
55 | #include "_scm.h" | |
20e6290e JB |
56 | #include "chars.h" |
57 | #include "eval.h" | |
ee149d03 | 58 | #include "fports.h" |
20e6290e | 59 | #include "smob.h" |
20e6290e JB |
60 | #include "strop.h" |
61 | #include "feature.h" | |
7ab3fdd5 | 62 | #include "strings.h" |
003d1fd0 | 63 | #include "vectors.h" |
20e6290e | 64 | |
b6791b2e | 65 | #include "validate.h" |
20e6290e | 66 | #include "unif.h" |
95b88819 | 67 | #include "ramap.h" |
0f2d19dd | 68 | |
3d8d56df GH |
69 | #ifdef HAVE_UNISTD_H |
70 | #include <unistd.h> | |
71 | #endif | |
72 | ||
0f2d19dd JB |
73 | \f |
74 | /* The set of uniform scm_vector types is: | |
75 | * Vector of: Called: | |
76 | * unsigned char string | |
77 | * char byvect | |
78 | * boolean bvect | |
a515d287 MD |
79 | * signed long ivect |
80 | * unsigned long uvect | |
0f2d19dd JB |
81 | * float fvect |
82 | * double dvect | |
83 | * complex double cvect | |
84 | * short svect | |
5c11cc9d | 85 | * long long llvect |
0f2d19dd JB |
86 | */ |
87 | ||
88 | long scm_tc16_array; | |
89 | ||
afe5177e GH |
90 | /* return the size of an element in a uniform array or 0 if type not |
91 | found. */ | |
92 | scm_sizet | |
93 | scm_uniform_element_size (SCM obj) | |
0f2d19dd | 94 | { |
afe5177e | 95 | scm_sizet result; |
0f2d19dd | 96 | |
afe5177e | 97 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 98 | { |
0f2d19dd | 99 | case scm_tc7_bvect: |
0f2d19dd JB |
100 | case scm_tc7_uvect: |
101 | case scm_tc7_ivect: | |
afe5177e | 102 | result = sizeof (long); |
0f2d19dd | 103 | break; |
afe5177e | 104 | |
0f2d19dd | 105 | case scm_tc7_byvect: |
afe5177e | 106 | result = sizeof (char); |
0f2d19dd JB |
107 | break; |
108 | ||
109 | case scm_tc7_svect: | |
afe5177e | 110 | result = sizeof (short); |
0f2d19dd | 111 | break; |
afe5177e | 112 | |
5c11cc9d | 113 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 114 | case scm_tc7_llvect: |
afe5177e | 115 | result = sizeof (long_long); |
0f2d19dd JB |
116 | break; |
117 | #endif | |
118 | ||
0f2d19dd | 119 | case scm_tc7_fvect: |
afe5177e | 120 | result = sizeof (float); |
0f2d19dd | 121 | break; |
afe5177e | 122 | |
0f2d19dd | 123 | case scm_tc7_dvect: |
afe5177e | 124 | result = sizeof (double); |
0f2d19dd | 125 | break; |
afe5177e | 126 | |
0f2d19dd | 127 | case scm_tc7_cvect: |
afe5177e | 128 | result = 2 * sizeof (double); |
0f2d19dd | 129 | break; |
afe5177e GH |
130 | |
131 | default: | |
132 | result = 0; | |
0f2d19dd | 133 | } |
afe5177e | 134 | return result; |
0f2d19dd JB |
135 | } |
136 | ||
bc86da5d MD |
137 | /* Silly function used not to modify the semantics of the silly |
138 | * prototype system in order to be backward compatible. | |
139 | */ | |
140 | static int | |
141 | singp (SCM obj) | |
0f2d19dd | 142 | { |
bc86da5d MD |
143 | if (!SCM_SLOPPY_REALP (obj)) |
144 | return 0; | |
145 | else | |
146 | { | |
147 | double x = SCM_REAL_VALUE (obj); | |
148 | float fx = x; | |
149 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
150 | } | |
0f2d19dd | 151 | } |
1cc91f1b | 152 | |
0f2d19dd | 153 | SCM |
1bbd0b84 | 154 | scm_make_uve (long k, SCM prot) |
0f2d19dd JB |
155 | { |
156 | SCM v; | |
157 | long i, type; | |
158 | if (SCM_BOOL_T == prot) | |
159 | { | |
160 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); | |
161 | type = scm_tc7_bvect; | |
162 | } | |
7866a09b | 163 | else if (SCM_CHARP (prot) && (prot == SCM_MAKE_CHAR ('\0'))) |
0f2d19dd JB |
164 | { |
165 | i = sizeof (char) * k; | |
166 | type = scm_tc7_byvect; | |
167 | } | |
7866a09b | 168 | else if (SCM_CHARP (prot)) |
0f2d19dd JB |
169 | { |
170 | i = sizeof (char) * k; | |
171 | type = scm_tc7_string; | |
172 | } | |
173 | else if (SCM_INUMP (prot)) | |
174 | { | |
175 | i = sizeof (long) * k; | |
176 | if (SCM_INUM (prot) > 0) | |
177 | type = scm_tc7_uvect; | |
178 | else | |
179 | type = scm_tc7_ivect; | |
180 | } | |
0c95b57d | 181 | else if (SCM_SYMBOLP (prot) && (1 == SCM_LENGTH (prot))) |
0f2d19dd JB |
182 | { |
183 | char s; | |
184 | ||
185 | s = SCM_CHARS (prot)[0]; | |
186 | if (s == 's') | |
187 | { | |
188 | i = sizeof (short) * k; | |
189 | type = scm_tc7_svect; | |
190 | } | |
5c11cc9d | 191 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
192 | else if (s == 'l') |
193 | { | |
194 | i = sizeof (long_long) * k; | |
195 | type = scm_tc7_llvect; | |
196 | } | |
197 | #endif | |
198 | else | |
199 | { | |
a8741caa | 200 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); |
0f2d19dd JB |
201 | } |
202 | } | |
203 | else | |
0f2d19dd | 204 | if (SCM_IMP (prot) || !SCM_INEXP (prot)) |
0f2d19dd | 205 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d GH |
206 | /* no special scm_vector */ |
207 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); | |
bc86da5d | 208 | else if (singp (prot)) |
0f2d19dd JB |
209 | { |
210 | i = sizeof (float) * k; | |
211 | type = scm_tc7_fvect; | |
212 | } | |
0f2d19dd JB |
213 | else if (SCM_CPLXP (prot)) |
214 | { | |
215 | i = 2 * sizeof (double) * k; | |
216 | type = scm_tc7_cvect; | |
217 | } | |
218 | else | |
219 | { | |
220 | i = sizeof (double) * k; | |
221 | type = scm_tc7_dvect; | |
222 | } | |
0f2d19dd JB |
223 | |
224 | SCM_NEWCELL (v); | |
225 | SCM_DEFER_INTS; | |
5c11cc9d | 226 | SCM_SETCHARS (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
0f2d19dd JB |
227 | SCM_SETLENGTH (v, (k < SCM_LENGTH_MAX ? k : SCM_LENGTH_MAX), type); |
228 | SCM_ALLOW_INTS; | |
229 | return v; | |
230 | } | |
231 | ||
3b3b36dd | 232 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1bbd0b84 | 233 | (SCM v), |
b380b885 | 234 | "Returns the number of elements in @var{uve}.") |
1bbd0b84 | 235 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
236 | { |
237 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
238 | switch SCM_TYP7 | |
239 | (v) | |
240 | { | |
241 | default: | |
1bbd0b84 | 242 | badarg1:SCM_WTA(1,v); |
0f2d19dd JB |
243 | case scm_tc7_bvect: |
244 | case scm_tc7_string: | |
245 | case scm_tc7_byvect: | |
246 | case scm_tc7_uvect: | |
247 | case scm_tc7_ivect: | |
248 | case scm_tc7_fvect: | |
249 | case scm_tc7_dvect: | |
250 | case scm_tc7_cvect: | |
251 | case scm_tc7_vector: | |
95f5b0f5 | 252 | case scm_tc7_wvect: |
0f2d19dd | 253 | case scm_tc7_svect: |
5c11cc9d | 254 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
255 | case scm_tc7_llvect: |
256 | #endif | |
257 | return SCM_MAKINUM (SCM_LENGTH (v)); | |
258 | } | |
259 | } | |
1bbd0b84 | 260 | #undef FUNC_NAME |
0f2d19dd | 261 | |
3b3b36dd | 262 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 263 | (SCM v, SCM prot), |
b380b885 MD |
264 | "Returns @code{#t} if the @var{obj} is an array, and @code{#f} if not.\n\n" |
265 | "The @var{prototype} argument is used with uniform arrays and is described\n" | |
266 | "elsewhere.") | |
1bbd0b84 | 267 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
268 | { |
269 | int nprot; | |
270 | int enclosed; | |
271 | nprot = SCM_UNBNDP (prot); | |
272 | enclosed = 0; | |
273 | if (SCM_IMP (v)) | |
274 | return SCM_BOOL_F; | |
c209c88e GB |
275 | |
276 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 277 | { |
0f2d19dd JB |
278 | if (!SCM_ARRAYP (v)) |
279 | return SCM_BOOL_F; | |
280 | if (nprot) | |
281 | return SCM_BOOL_T; | |
282 | if (enclosed++) | |
283 | return SCM_BOOL_F; | |
284 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
285 | } |
286 | if (nprot) | |
287 | return SCM_BOOL(nprot); | |
288 | else | |
289 | { | |
290 | int protp = 0; | |
291 | ||
292 | switch (SCM_TYP7 (v)) | |
293 | { | |
294 | case scm_tc7_bvect: | |
295 | protp = (SCM_BOOL_T==prot); | |
296 | case scm_tc7_string: | |
297 | protp = SCM_ICHRP(prot) && (prot != SCM_MAKICHR('\0')); | |
298 | case scm_tc7_byvect: | |
299 | protp = prot == SCM_MAKICHR('\0'); | |
300 | case scm_tc7_uvect: | |
301 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
302 | case scm_tc7_ivect: | |
303 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
304 | ||
305 | case scm_tc7_svect: | |
306 | protp = SCM_SYMBOLP (prot) | |
307 | && (1 == SCM_LENGTH (prot)) | |
308 | && ('s' == SCM_CHARS (prot)[0]); | |
5c11cc9d | 309 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
310 | case scm_tc7_llvect: |
311 | protp = SCM_SYMBOLP (prot) | |
312 | && (1 == SCM_LENGTH (prot)) | |
313 | && ('s' == SCM_CHARS (prot)[0]); | |
0f2d19dd | 314 | #endif |
c209c88e | 315 | case scm_tc7_fvect: |
bc86da5d | 316 | protp = singp (prot); |
c209c88e GB |
317 | case scm_tc7_dvect: |
318 | protp = SCM_REALP(prot); | |
319 | case scm_tc7_cvect: | |
320 | protp = SCM_CPLXP(prot); | |
c209c88e GB |
321 | case scm_tc7_vector: |
322 | case scm_tc7_wvect: | |
323 | protp = SCM_NULLP(prot); | |
324 | default: | |
325 | /* no default */ | |
326 | ; | |
327 | } | |
328 | return SCM_BOOL(protp); | |
0f2d19dd | 329 | } |
0f2d19dd | 330 | } |
1bbd0b84 | 331 | #undef FUNC_NAME |
0f2d19dd JB |
332 | |
333 | ||
3b3b36dd | 334 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 335 | (SCM ra), |
b380b885 MD |
336 | "Returns the number of dimensions of @var{obj}. If @var{obj} is not an\n" |
337 | "array, @code{0} is returned.") | |
1bbd0b84 | 338 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
339 | { |
340 | if (SCM_IMP (ra)) | |
1bbd0b84 | 341 | return SCM_INUM0; |
0f2d19dd JB |
342 | switch (SCM_TYP7 (ra)) |
343 | { | |
344 | default: | |
345 | return SCM_INUM0; | |
346 | case scm_tc7_string: | |
347 | case scm_tc7_vector: | |
95f5b0f5 | 348 | case scm_tc7_wvect: |
0f2d19dd JB |
349 | case scm_tc7_byvect: |
350 | case scm_tc7_uvect: | |
351 | case scm_tc7_ivect: | |
352 | case scm_tc7_fvect: | |
353 | case scm_tc7_cvect: | |
354 | case scm_tc7_dvect: | |
5c11cc9d | 355 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
356 | case scm_tc7_llvect: |
357 | #endif | |
358 | case scm_tc7_svect: | |
359 | return SCM_MAKINUM (1L); | |
360 | case scm_tc7_smob: | |
361 | if (SCM_ARRAYP (ra)) | |
362 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
363 | return SCM_INUM0; | |
364 | } | |
365 | } | |
1bbd0b84 | 366 | #undef FUNC_NAME |
0f2d19dd JB |
367 | |
368 | ||
3b3b36dd | 369 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 370 | (SCM ra), |
b380b885 MD |
371 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
372 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
373 | "@example\n" | |
374 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" | |
375 | "@end example") | |
1bbd0b84 | 376 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
377 | { |
378 | SCM res = SCM_EOL; | |
379 | scm_sizet k; | |
380 | scm_array_dim *s; | |
381 | if (SCM_IMP (ra)) | |
1bbd0b84 | 382 | return SCM_BOOL_F; |
0f2d19dd JB |
383 | switch (SCM_TYP7 (ra)) |
384 | { | |
385 | default: | |
386 | return SCM_BOOL_F; | |
387 | case scm_tc7_string: | |
388 | case scm_tc7_vector: | |
95f5b0f5 | 389 | case scm_tc7_wvect: |
0f2d19dd JB |
390 | case scm_tc7_bvect: |
391 | case scm_tc7_byvect: | |
392 | case scm_tc7_uvect: | |
393 | case scm_tc7_ivect: | |
394 | case scm_tc7_fvect: | |
395 | case scm_tc7_cvect: | |
396 | case scm_tc7_dvect: | |
397 | case scm_tc7_svect: | |
5c11cc9d | 398 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
399 | case scm_tc7_llvect: |
400 | #endif | |
401 | return scm_cons (SCM_MAKINUM (SCM_LENGTH (ra)), SCM_EOL); | |
402 | case scm_tc7_smob: | |
403 | if (!SCM_ARRAYP (ra)) | |
404 | return SCM_BOOL_F; | |
405 | k = SCM_ARRAY_NDIM (ra); | |
406 | s = SCM_ARRAY_DIMS (ra); | |
407 | while (k--) | |
408 | res = scm_cons (s[k].lbnd ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), SCM_MAKINUM (s[k].ubnd), SCM_EOL) : | |
409 | SCM_MAKINUM (1 + (s[k].ubnd)) | |
410 | , res); | |
411 | return res; | |
412 | } | |
413 | } | |
1bbd0b84 | 414 | #undef FUNC_NAME |
0f2d19dd JB |
415 | |
416 | ||
417 | static char s_bad_ind[] = "Bad scm_array index"; | |
418 | ||
1cc91f1b | 419 | |
0f2d19dd | 420 | long |
1bbd0b84 | 421 | scm_aind (SCM ra, SCM args, const char *what) |
0f2d19dd JB |
422 | { |
423 | SCM ind; | |
424 | register long j; | |
425 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
426 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
427 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
428 | if (SCM_INUMP (args)) | |
0f2d19dd | 429 | { |
f5bf2977 | 430 | SCM_ASSERT (1 == k, scm_makfrom0str (what), SCM_WNA, NULL); |
0f2d19dd JB |
431 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
432 | } | |
433 | while (k && SCM_NIMP (args)) | |
434 | { | |
435 | ind = SCM_CAR (args); | |
436 | args = SCM_CDR (args); | |
437 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, what); | |
438 | j = SCM_INUM (ind); | |
439 | SCM_ASSERT (j >= (s->lbnd) && j <= (s->ubnd), ind, SCM_OUTOFRANGE, what); | |
440 | pos += (j - s->lbnd) * (s->inc); | |
441 | k--; | |
442 | s++; | |
443 | } | |
f5bf2977 GH |
444 | SCM_ASSERT (0 == k && SCM_NULLP (args), scm_makfrom0str (what), SCM_WNA, |
445 | NULL); | |
0f2d19dd JB |
446 | return pos; |
447 | } | |
448 | ||
449 | ||
1cc91f1b | 450 | |
0f2d19dd | 451 | SCM |
1bbd0b84 | 452 | scm_make_ra (int ndim) |
0f2d19dd JB |
453 | { |
454 | SCM ra; | |
455 | SCM_NEWCELL (ra); | |
456 | SCM_DEFER_INTS; | |
23a62151 MD |
457 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
458 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 459 | "array")); |
0f2d19dd JB |
460 | SCM_ARRAY_V (ra) = scm_nullvect; |
461 | SCM_ALLOW_INTS; | |
462 | return ra; | |
463 | } | |
464 | ||
465 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
466 | /* Increments will still need to be set. */ | |
467 | ||
1cc91f1b | 468 | |
0f2d19dd | 469 | SCM |
1bbd0b84 | 470 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
471 | { |
472 | scm_array_dim *s; | |
473 | SCM ra, spec, sp; | |
474 | int ndim = scm_ilength (args); | |
475 | SCM_ASSERT (0 <= ndim, args, s_bad_spec, what); | |
476 | ra = scm_make_ra (ndim); | |
477 | SCM_ARRAY_BASE (ra) = 0; | |
478 | s = SCM_ARRAY_DIMS (ra); | |
479 | for (; SCM_NIMP (args); s++, args = SCM_CDR (args)) | |
480 | { | |
481 | spec = SCM_CAR (args); | |
482 | if (SCM_IMP (spec)) | |
483 | ||
484 | { | |
20a54673 GH |
485 | SCM_ASSERT (SCM_INUMP (spec) && SCM_INUM (spec) >= 0, spec, |
486 | s_bad_spec, what); | |
0f2d19dd JB |
487 | s->lbnd = 0; |
488 | s->ubnd = SCM_INUM (spec) - 1; | |
489 | s->inc = 1; | |
490 | } | |
491 | else | |
492 | { | |
20a54673 GH |
493 | SCM_ASSERT (SCM_CONSP (spec) && SCM_INUMP (SCM_CAR (spec)), spec, |
494 | s_bad_spec, what); | |
0f2d19dd JB |
495 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
496 | sp = SCM_CDR (spec); | |
0c95b57d | 497 | SCM_ASSERT (SCM_CONSP (sp) |
20a54673 GH |
498 | && SCM_INUMP (SCM_CAR (sp)) && SCM_NULLP (SCM_CDR (sp)), |
499 | spec, s_bad_spec, what); | |
0f2d19dd JB |
500 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
501 | s->inc = 1; | |
502 | } | |
503 | } | |
504 | return ra; | |
505 | } | |
506 | ||
3b3b36dd | 507 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1bbd0b84 | 508 | (SCM dims, SCM prot, SCM fill), |
b380b885 MD |
509 | "@deffnx primitive make-uniform-vector length prototype [fill]\n" |
510 | "Creates and returns a uniform array or vector of type corresponding to\n" | |
511 | "@var{prototype} with dimensions @var{dims} or length @var{length}. If\n" | |
512 | "@var{fill} is supplied, it's used to fill the array, otherwise \n" | |
513 | "@var{prototype} is used.") | |
1bbd0b84 | 514 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd JB |
515 | { |
516 | scm_sizet k, vlen = 1; | |
517 | long rlen = 1; | |
518 | scm_array_dim *s; | |
519 | SCM ra; | |
520 | if (SCM_INUMP (dims)) | |
cda139a7 | 521 | { |
0f2d19dd JB |
522 | if (SCM_INUM (dims) < SCM_LENGTH_MAX) |
523 | { | |
5c11cc9d GH |
524 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
525 | ||
526 | if (!SCM_UNBNDP (fill)) | |
527 | scm_array_fill_x (answer, fill); | |
0c95b57d | 528 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
529 | scm_array_fill_x (answer, SCM_MAKINUM (0)); |
530 | else | |
531 | scm_array_fill_x (answer, prot); | |
532 | return answer; | |
533 | } | |
534 | else | |
535 | dims = scm_cons (dims, SCM_EOL); | |
cda139a7 | 536 | } |
0c95b57d GB |
537 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
538 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 539 | ra = scm_shap2ra (dims, FUNC_NAME); |
898a256f | 540 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
541 | s = SCM_ARRAY_DIMS (ra); |
542 | k = SCM_ARRAY_NDIM (ra); | |
543 | while (k--) | |
544 | { | |
545 | s[k].inc = (rlen > 0 ? rlen : 0); | |
546 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; | |
547 | vlen *= (s[k].ubnd - s[k].lbnd + 1); | |
548 | } | |
549 | if (rlen < SCM_LENGTH_MAX) | |
550 | SCM_ARRAY_V (ra) = scm_make_uve ((rlen > 0 ? rlen : 0L), prot); | |
551 | else | |
552 | { | |
553 | scm_sizet bit; | |
554 | switch (SCM_TYP7 (scm_make_uve (0L, prot))) | |
555 | { | |
556 | default: | |
557 | bit = SCM_LONG_BIT; | |
558 | break; | |
559 | case scm_tc7_bvect: | |
560 | bit = 1; | |
561 | break; | |
562 | case scm_tc7_string: | |
563 | bit = SCM_CHAR_BIT; | |
564 | break; | |
565 | case scm_tc7_fvect: | |
566 | bit = sizeof (float) * SCM_CHAR_BIT / sizeof (char); | |
567 | break; | |
568 | case scm_tc7_dvect: | |
569 | bit = sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
570 | break; | |
571 | case scm_tc7_cvect: | |
572 | bit = 2 * sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
573 | break; | |
574 | } | |
575 | SCM_ARRAY_BASE (ra) = (SCM_LONG_BIT + bit - 1) / bit; | |
576 | rlen += SCM_ARRAY_BASE (ra); | |
577 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); | |
578 | *((long *) SCM_VELTS (SCM_ARRAY_V (ra))) = rlen; | |
579 | } | |
5c11cc9d | 580 | if (!SCM_UNBNDP (fill)) |
0f2d19dd | 581 | { |
5c11cc9d | 582 | scm_array_fill_x (ra, fill); |
0f2d19dd | 583 | } |
0c95b57d | 584 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
585 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
586 | else | |
587 | scm_array_fill_x (ra, prot); | |
588 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) | |
589 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
590 | return SCM_ARRAY_V (ra); | |
591 | return ra; | |
592 | } | |
1bbd0b84 | 593 | #undef FUNC_NAME |
0f2d19dd | 594 | |
1cc91f1b | 595 | |
0f2d19dd | 596 | void |
1bbd0b84 | 597 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
598 | { |
599 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 600 | if (k) |
0f2d19dd | 601 | { |
fe0c6dae JB |
602 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
603 | while (k--) | |
0f2d19dd | 604 | { |
fe0c6dae JB |
605 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
606 | { | |
898a256f | 607 | SCM_SETAND_CAR (ra, ~SCM_ARRAY_CONTIGUOUS); |
fe0c6dae JB |
608 | return; |
609 | } | |
610 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
611 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 612 | } |
0f2d19dd | 613 | } |
898a256f | 614 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
615 | } |
616 | ||
617 | ||
3b3b36dd | 618 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 619 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
620 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
621 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
622 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
623 | "linear, and its range must stay within the bounds of the old array, but\n" | |
624 | "it can be otherwise arbitrary. A simple example:\n" | |
625 | "@example\n" | |
626 | "(define fred (make-array #f 8 8))\n" | |
627 | "(define freds-diagonal\n" | |
628 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
629 | "(array-set! freds-diagonal 'foo 3)\n" | |
630 | "(array-ref fred 3 3) @result{} foo\n" | |
631 | "(define freds-center\n" | |
632 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
633 | "(array-ref freds-center 0 0) @result{} foo\n" | |
634 | "@end example") | |
1bbd0b84 | 635 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
636 | { |
637 | SCM ra; | |
638 | SCM inds, indptr; | |
639 | SCM imap; | |
640 | scm_sizet i, k; | |
641 | long old_min, new_min, old_max, new_max; | |
642 | scm_array_dim *s; | |
3b3b36dd GB |
643 | SCM_VALIDATE_ARRAY (1,oldra); |
644 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 645 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
646 | if (SCM_ARRAYP (oldra)) |
647 | { | |
648 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
649 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
650 | s = SCM_ARRAY_DIMS (oldra); | |
651 | k = SCM_ARRAY_NDIM (oldra); | |
652 | while (k--) | |
653 | { | |
654 | if (s[k].inc > 0) | |
655 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
656 | else | |
657 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
658 | } | |
659 | } | |
660 | else | |
661 | { | |
662 | SCM_ARRAY_V (ra) = oldra; | |
663 | old_min = 0; | |
664 | old_max = (long) SCM_LENGTH (oldra) - 1; | |
665 | } | |
666 | inds = SCM_EOL; | |
667 | s = SCM_ARRAY_DIMS (ra); | |
668 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
669 | { | |
670 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
671 | if (s[k].ubnd < s[k].lbnd) | |
672 | { | |
673 | if (1 == SCM_ARRAY_NDIM (ra)) | |
674 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
675 | else | |
676 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
677 | return ra; | |
678 | } | |
679 | } | |
92396c0a | 680 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 681 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 682 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
683 | else |
684 | { | |
685 | if (SCM_NINUMP (imap)) | |
686 | ||
687 | { | |
688 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 689 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
690 | imap = SCM_CAR (imap); |
691 | } | |
692 | i = SCM_INUM (imap); | |
693 | } | |
694 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
695 | indptr = inds; | |
696 | k = SCM_ARRAY_NDIM (ra); | |
697 | while (k--) | |
698 | { | |
699 | if (s[k].ubnd > s[k].lbnd) | |
700 | { | |
898a256f | 701 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
702 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
703 | if (SCM_ARRAYP (oldra)) | |
704 | ||
1bbd0b84 | 705 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
706 | else |
707 | { | |
708 | if (SCM_NINUMP (imap)) | |
709 | ||
710 | { | |
711 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 712 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
713 | imap = SCM_CAR (imap); |
714 | } | |
715 | s[k].inc = (long) SCM_INUM (imap) - i; | |
716 | } | |
717 | i += s[k].inc; | |
718 | if (s[k].inc > 0) | |
719 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
720 | else | |
721 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
722 | } | |
723 | else | |
724 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
725 | indptr = SCM_CDR (indptr); | |
726 | } | |
727 | SCM_ASSERT (old_min <= new_min && old_max >= new_max, SCM_UNDEFINED, | |
1bbd0b84 | 728 | "mapping out of range", FUNC_NAME); |
0f2d19dd JB |
729 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
730 | { | |
731 | if (1 == s->inc && 0 == s->lbnd | |
732 | && SCM_LENGTH (SCM_ARRAY_V (ra)) == 1 + s->ubnd) | |
733 | return SCM_ARRAY_V (ra); | |
734 | if (s->ubnd < s->lbnd) | |
735 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
736 | } | |
737 | scm_ra_set_contp (ra); | |
738 | return ra; | |
739 | } | |
1bbd0b84 | 740 | #undef FUNC_NAME |
0f2d19dd JB |
741 | |
742 | ||
743 | /* args are RA . DIMS */ | |
3b3b36dd | 744 | SCM_DEFINE (scm_transpose_array, "transpose-array", 0, 0, 1, |
1bbd0b84 | 745 | (SCM args), |
b380b885 MD |
746 | "Returns an array sharing contents with @var{array}, but with dimensions\n" |
747 | "arranged in a different order. There must be one @var{dim} argument for\n" | |
748 | "each dimension of @var{array}. @var{dim0}, @var{dim1}, @dots{} should\n" | |
749 | "be integers between 0 and the rank of the array to be returned. Each\n" | |
750 | "integer in that range must appear at least once in the argument list.\n\n" | |
751 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to dimensions\n" | |
752 | "in the array to be returned, their positions in the argument list to\n" | |
753 | "dimensions of @var{array}. Several @var{dim}s may have the same value,\n" | |
754 | "in which case the returned array will have smaller rank than\n" | |
755 | "@var{array}.\n\n" | |
756 | "examples:\n" | |
757 | "@example\n" | |
758 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" | |
759 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
760 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
761 | " #2((a 4) (b 5) (c 6))\n" | |
762 | "@end example") | |
1bbd0b84 | 763 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd JB |
764 | { |
765 | SCM ra, res, vargs, *ve = &vargs; | |
766 | scm_array_dim *s, *r; | |
767 | int ndim, i, k; | |
1bbd0b84 | 768 | SCM_ASSERT (SCM_NNULLP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 769 | SCM_WNA, NULL); |
0f2d19dd | 770 | ra = SCM_CAR (args); |
1bbd0b84 | 771 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 772 | args = SCM_CDR (args); |
f5bf2977 | 773 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
774 | { |
775 | default: | |
1bbd0b84 | 776 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
777 | case scm_tc7_bvect: |
778 | case scm_tc7_string: | |
779 | case scm_tc7_byvect: | |
780 | case scm_tc7_uvect: | |
781 | case scm_tc7_ivect: | |
782 | case scm_tc7_fvect: | |
783 | case scm_tc7_dvect: | |
784 | case scm_tc7_cvect: | |
785 | case scm_tc7_svect: | |
5c11cc9d | 786 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
787 | case scm_tc7_llvect: |
788 | #endif | |
f5bf2977 | 789 | SCM_ASSERT (SCM_NIMP (args) && SCM_NULLP (SCM_CDR (args)), |
1bbd0b84 | 790 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 791 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), SCM_CAR (args), SCM_ARG2, |
1bbd0b84 | 792 | FUNC_NAME); |
f5bf2977 | 793 | SCM_ASSERT (SCM_INUM0 == SCM_CAR (args), SCM_CAR (args), SCM_OUTOFRANGE, |
1bbd0b84 | 794 | FUNC_NAME); |
0f2d19dd JB |
795 | return ra; |
796 | case scm_tc7_smob: | |
797 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
798 | vargs = scm_vector (args); | |
f5bf2977 | 799 | SCM_ASSERT (SCM_LENGTH (vargs) == SCM_ARRAY_NDIM (ra), |
1bbd0b84 | 800 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 801 | ve = SCM_VELTS (vargs); |
0f2d19dd JB |
802 | ndim = 0; |
803 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
804 | { | |
20a54673 | 805 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 806 | FUNC_NAME); |
0f2d19dd | 807 | i = SCM_INUM (ve[k]); |
20a54673 | 808 | SCM_ASSERT (i >= 0 && i < SCM_ARRAY_NDIM (ra), ve[k], |
1bbd0b84 | 809 | SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
810 | if (ndim < i) |
811 | ndim = i; | |
812 | } | |
813 | ndim++; | |
814 | res = scm_make_ra (ndim); | |
815 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
816 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
817 | for (k = ndim; k--;) | |
818 | { | |
819 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
820 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
821 | } | |
822 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
823 | { | |
824 | i = SCM_INUM (ve[k]); | |
825 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
826 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
827 | if (r->ubnd < r->lbnd) | |
828 | { | |
829 | r->lbnd = s->lbnd; | |
830 | r->ubnd = s->ubnd; | |
831 | r->inc = s->inc; | |
832 | ndim--; | |
833 | } | |
834 | else | |
835 | { | |
836 | if (r->ubnd > s->ubnd) | |
837 | r->ubnd = s->ubnd; | |
838 | if (r->lbnd < s->lbnd) | |
839 | { | |
840 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
841 | r->lbnd = s->lbnd; | |
842 | } | |
843 | r->inc += s->inc; | |
844 | } | |
845 | } | |
1bbd0b84 | 846 | SCM_ASSERT (ndim <= 0, args, "bad argument list", FUNC_NAME); |
0f2d19dd JB |
847 | scm_ra_set_contp (res); |
848 | return res; | |
849 | } | |
850 | } | |
1bbd0b84 | 851 | #undef FUNC_NAME |
0f2d19dd JB |
852 | |
853 | /* args are RA . AXES */ | |
3b3b36dd | 854 | SCM_DEFINE (scm_enclose_array, "enclose-array", 0, 0, 1, |
1bbd0b84 | 855 | (SCM axes), |
b380b885 MD |
856 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
857 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
858 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
859 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
860 | "the dimensions of the outer array are the same as those of the original\n" | |
861 | "array that did not match a @var{dim}.\n\n" | |
862 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
863 | "be set using @code{array-set!}. Two references to the same element of\n" | |
864 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
865 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
866 | "enclosed array is unspecified.\n\n" | |
867 | "examples:\n" | |
868 | "@example\n" | |
869 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" | |
870 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
871 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
872 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
873 | "@end example") | |
1bbd0b84 | 874 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd JB |
875 | { |
876 | SCM axv, ra, res, ra_inr; | |
877 | scm_array_dim vdim, *s = &vdim; | |
878 | int ndim, j, k, ninr, noutr; | |
1bbd0b84 | 879 | SCM_ASSERT (SCM_NIMP (axes), scm_makfrom0str (FUNC_NAME), SCM_WNA, |
f5bf2977 | 880 | NULL); |
0f2d19dd JB |
881 | ra = SCM_CAR (axes); |
882 | axes = SCM_CDR (axes); | |
883 | if (SCM_NULLP (axes)) | |
0f2d19dd JB |
884 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
885 | ninr = scm_ilength (axes); | |
886 | ra_inr = scm_make_ra (ninr); | |
887 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
888 | switch SCM_TYP7 | |
889 | (ra) | |
890 | { | |
891 | default: | |
1bbd0b84 | 892 | badarg1:SCM_WTA (1,ra); |
0f2d19dd JB |
893 | case scm_tc7_string: |
894 | case scm_tc7_bvect: | |
895 | case scm_tc7_byvect: | |
896 | case scm_tc7_uvect: | |
897 | case scm_tc7_ivect: | |
898 | case scm_tc7_fvect: | |
899 | case scm_tc7_dvect: | |
900 | case scm_tc7_cvect: | |
901 | case scm_tc7_vector: | |
95f5b0f5 | 902 | case scm_tc7_wvect: |
0f2d19dd | 903 | case scm_tc7_svect: |
5c11cc9d | 904 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
905 | case scm_tc7_llvect: |
906 | #endif | |
907 | s->lbnd = 0; | |
908 | s->ubnd = SCM_LENGTH (ra) - 1; | |
909 | s->inc = 1; | |
910 | SCM_ARRAY_V (ra_inr) = ra; | |
911 | SCM_ARRAY_BASE (ra_inr) = 0; | |
912 | ndim = 1; | |
913 | break; | |
914 | case scm_tc7_smob: | |
915 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
916 | s = SCM_ARRAY_DIMS (ra); | |
917 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
918 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
919 | ndim = SCM_ARRAY_NDIM (ra); | |
920 | break; | |
921 | } | |
922 | noutr = ndim - ninr; | |
7866a09b | 923 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
1bbd0b84 | 924 | SCM_ASSERT (0 <= noutr && 0 <= ninr, scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 925 | SCM_WNA, NULL); |
0f2d19dd JB |
926 | res = scm_make_ra (noutr); |
927 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
928 | SCM_ARRAY_V (res) = ra_inr; | |
929 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
930 | { | |
1bbd0b84 | 931 | SCM_ASSERT (SCM_INUMP (SCM_CAR (axes)), SCM_CAR (axes), "bad axis", FUNC_NAME); |
0f2d19dd JB |
932 | j = SCM_INUM (SCM_CAR (axes)); |
933 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
934 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
935 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
936 | SCM_CHARS (axv)[j] = 1; | |
937 | } | |
938 | for (j = 0, k = 0; k < noutr; k++, j++) | |
939 | { | |
940 | while (SCM_CHARS (axv)[j]) | |
941 | j++; | |
942 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
943 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
944 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
945 | } | |
946 | scm_ra_set_contp (ra_inr); | |
947 | scm_ra_set_contp (res); | |
948 | return res; | |
949 | } | |
1bbd0b84 | 950 | #undef FUNC_NAME |
0f2d19dd JB |
951 | |
952 | ||
953 | ||
3b3b36dd | 954 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 0, 0, 1, |
1bbd0b84 | 955 | (SCM args), |
b380b885 | 956 | "Returns @code{#t} if its arguments would be acceptable to array-ref.") |
1bbd0b84 | 957 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd JB |
958 | { |
959 | SCM v, ind = SCM_EOL; | |
960 | long pos = 0; | |
961 | register scm_sizet k; | |
962 | register long j; | |
963 | scm_array_dim *s; | |
1bbd0b84 | 964 | SCM_ASSERT (SCM_NIMP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 965 | SCM_WNA, NULL); |
0f2d19dd JB |
966 | v = SCM_CAR (args); |
967 | args = SCM_CDR (args); | |
968 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
969 | if (SCM_NIMP (args)) | |
970 | ||
971 | { | |
972 | ind = SCM_CAR (args); | |
973 | args = SCM_CDR (args); | |
1bbd0b84 | 974 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
975 | pos = SCM_INUM (ind); |
976 | } | |
977 | tail: | |
978 | switch SCM_TYP7 | |
979 | (v) | |
980 | { | |
981 | default: | |
1bbd0b84 GB |
982 | badarg1:SCM_WTA (1,v); |
983 | wna: scm_wrong_num_args (scm_makfrom0str (FUNC_NAME)); | |
0f2d19dd JB |
984 | case scm_tc7_smob: |
985 | k = SCM_ARRAY_NDIM (v); | |
986 | s = SCM_ARRAY_DIMS (v); | |
987 | pos = SCM_ARRAY_BASE (v); | |
988 | if (!k) | |
989 | { | |
990 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
991 | ind = SCM_INUM0; | |
992 | } | |
993 | else | |
994 | while (!0) | |
995 | { | |
996 | j = SCM_INUM (ind); | |
997 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
998 | { | |
999 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1000 | return SCM_BOOL_F; | |
1001 | } | |
1002 | pos += (j - s->lbnd) * (s->inc); | |
1003 | if (!(--k && SCM_NIMP (args))) | |
1004 | break; | |
1005 | ind = SCM_CAR (args); | |
1006 | args = SCM_CDR (args); | |
1007 | s++; | |
1bbd0b84 | 1008 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
1009 | } |
1010 | SCM_ASRTGO (0 == k, wna); | |
1011 | v = SCM_ARRAY_V (v); | |
1012 | goto tail; | |
1013 | case scm_tc7_bvect: | |
1014 | case scm_tc7_string: | |
1015 | case scm_tc7_byvect: | |
1016 | case scm_tc7_uvect: | |
1017 | case scm_tc7_ivect: | |
1018 | case scm_tc7_fvect: | |
1019 | case scm_tc7_dvect: | |
1020 | case scm_tc7_cvect: | |
1021 | case scm_tc7_svect: | |
5c11cc9d | 1022 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1023 | case scm_tc7_llvect: |
1024 | #endif | |
1025 | case scm_tc7_vector: | |
95f5b0f5 | 1026 | case scm_tc7_wvect: |
0f2d19dd | 1027 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1bbd0b84 | 1028 | return SCM_BOOL(pos >= 0 && pos < SCM_LENGTH (v)); |
0f2d19dd JB |
1029 | } |
1030 | } | |
1bbd0b84 | 1031 | #undef FUNC_NAME |
0f2d19dd JB |
1032 | |
1033 | ||
1bbd0b84 | 1034 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1035 | |
1bbd0b84 | 1036 | |
3b3b36dd | 1037 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1038 | (SCM v, SCM args), |
b380b885 | 1039 | "Returns the element at the @code{(index1, index2)} element in @var{array}.") |
1bbd0b84 | 1040 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1041 | { |
1042 | long pos; | |
0f2d19dd | 1043 | |
35de7ebe | 1044 | if (SCM_IMP (v)) |
0f2d19dd JB |
1045 | { |
1046 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1047 | return v; | |
1048 | } | |
1049 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1050 | { |
1bbd0b84 | 1051 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1052 | v = SCM_ARRAY_V (v); |
1053 | } | |
1054 | else | |
1055 | { | |
1056 | if (SCM_NIMP (args)) | |
1057 | ||
1058 | { | |
1bbd0b84 | 1059 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1060 | pos = SCM_INUM (SCM_CAR (args)); |
1061 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1062 | } | |
1063 | else | |
1064 | { | |
3b3b36dd | 1065 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1066 | pos = SCM_INUM (args); |
1067 | } | |
1068 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1069 | } | |
1070 | switch SCM_TYP7 | |
1071 | (v) | |
1072 | { | |
1073 | default: | |
1074 | if (SCM_NULLP (args)) | |
1075 | return v; | |
35de7ebe | 1076 | badarg: |
1bbd0b84 | 1077 | SCM_WTA (1,v); |
35de7ebe | 1078 | abort (); |
c209c88e GB |
1079 | |
1080 | outrng: | |
1081 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1082 | wna: | |
1083 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1084 | case scm_tc7_smob: |
1085 | { /* enclosed */ | |
1086 | int k = SCM_ARRAY_NDIM (v); | |
1087 | SCM res = scm_make_ra (k); | |
1088 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1089 | SCM_ARRAY_BASE (res) = pos; | |
1090 | while (k--) | |
1091 | { | |
1092 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1093 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1094 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1095 | } | |
1096 | return res; | |
1097 | } | |
1098 | case scm_tc7_bvect: | |
c209c88e | 1099 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1100 | return SCM_BOOL_T; |
1101 | else | |
1102 | return SCM_BOOL_F; | |
1103 | case scm_tc7_string: | |
7866a09b | 1104 | return SCM_MAKE_CHAR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1105 | case scm_tc7_byvect: |
1106 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
0f2d19dd | 1107 | case scm_tc7_uvect: |
c209c88e | 1108 | return scm_ulong2num((unsigned long ) SCM_VELTS(v)[pos]); |
0f2d19dd | 1109 | case scm_tc7_ivect: |
c209c88e | 1110 | return scm_long2num((long) SCM_VELTS(v)[pos]); |
0f2d19dd JB |
1111 | |
1112 | case scm_tc7_svect: | |
1113 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1114 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1115 | case scm_tc7_llvect: |
1116 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1117 | #endif | |
1118 | ||
0f2d19dd | 1119 | case scm_tc7_fvect: |
bc86da5d | 1120 | return scm_make_real (((float *) SCM_CDR (v))[pos]); |
0f2d19dd | 1121 | case scm_tc7_dvect: |
bc86da5d | 1122 | return scm_make_real (((double *) SCM_CDR (v))[pos]); |
0f2d19dd | 1123 | case scm_tc7_cvect: |
bc86da5d MD |
1124 | return scm_make_complex (((double *) SCM_CDR (v))[2 * pos], |
1125 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
0f2d19dd | 1126 | case scm_tc7_vector: |
95f5b0f5 | 1127 | case scm_tc7_wvect: |
0f2d19dd JB |
1128 | return SCM_VELTS (v)[pos]; |
1129 | } | |
1130 | } | |
1bbd0b84 | 1131 | #undef FUNC_NAME |
0f2d19dd JB |
1132 | |
1133 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1134 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1135 | |
0f2d19dd | 1136 | SCM |
6e8d25a6 | 1137 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
0f2d19dd | 1138 | { |
5c11cc9d | 1139 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1140 | { |
1141 | default: | |
1142 | scm_wta (v, (char *) SCM_ARG1, "PROGRAMMING ERROR: scm_cvref"); | |
1143 | case scm_tc7_bvect: | |
c209c88e | 1144 | if (SCM_BITVEC_REF(v,pos)) |
0f2d19dd JB |
1145 | return SCM_BOOL_T; |
1146 | else | |
1147 | return SCM_BOOL_F; | |
1148 | case scm_tc7_string: | |
7866a09b | 1149 | return SCM_MAKE_CHAR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1150 | case scm_tc7_byvect: |
1151 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
0f2d19dd | 1152 | case scm_tc7_uvect: |
c209c88e | 1153 | return scm_ulong2num((unsigned long) SCM_VELTS(v)[pos]); |
0f2d19dd | 1154 | case scm_tc7_ivect: |
c209c88e | 1155 | return scm_long2num((long) SCM_VELTS(v)[pos]); |
0f2d19dd JB |
1156 | case scm_tc7_svect: |
1157 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1158 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1159 | case scm_tc7_llvect: |
1160 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1161 | #endif | |
0f2d19dd | 1162 | case scm_tc7_fvect: |
bc86da5d | 1163 | if (SCM_NIMP (last) && last != scm_flo0 && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1164 | { |
bc86da5d | 1165 | SCM_REAL_VALUE (last) = ((float *) SCM_CDR (v))[pos]; |
0f2d19dd JB |
1166 | return last; |
1167 | } | |
bc86da5d | 1168 | return scm_make_real (((float *) SCM_CDR (v))[pos]); |
0f2d19dd | 1169 | case scm_tc7_dvect: |
bc86da5d | 1170 | if (SCM_NIMP (last) && last != scm_flo0 && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1171 | { |
bc86da5d | 1172 | SCM_REAL_VALUE (last) = ((double *) SCM_CDR (v))[pos]; |
0f2d19dd JB |
1173 | return last; |
1174 | } | |
bc86da5d | 1175 | return scm_make_real (((double *) SCM_CDR (v))[pos]); |
0f2d19dd | 1176 | case scm_tc7_cvect: |
bc86da5d | 1177 | if (SCM_NIMP (last) && SCM_SLOPPY_COMPLEXP (last)) |
0f2d19dd | 1178 | { |
bc86da5d MD |
1179 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CDR (v))[2 * pos]; |
1180 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CDR (v))[2 * pos + 1]; | |
0f2d19dd JB |
1181 | return last; |
1182 | } | |
bc86da5d MD |
1183 | return scm_make_complex (((double *) SCM_CDR (v))[2 * pos], |
1184 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
0f2d19dd | 1185 | case scm_tc7_vector: |
95f5b0f5 | 1186 | case scm_tc7_wvect: |
0f2d19dd JB |
1187 | return SCM_VELTS (v)[pos]; |
1188 | case scm_tc7_smob: | |
1189 | { /* enclosed scm_array */ | |
1190 | int k = SCM_ARRAY_NDIM (v); | |
1191 | SCM res = scm_make_ra (k); | |
1192 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1193 | SCM_ARRAY_BASE (res) = pos; | |
1194 | while (k--) | |
1195 | { | |
1196 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1197 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1198 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1199 | } | |
1200 | return res; | |
1201 | } | |
1202 | } | |
1203 | } | |
1204 | ||
1bbd0b84 GB |
1205 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1206 | ||
1cc91f1b | 1207 | |
0aa0871f GH |
1208 | /* Note that args may be a list or an immediate object, depending which |
1209 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1210 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1211 | (SCM v, SCM obj, SCM args), |
b380b885 MD |
1212 | "Sets the element at the @code{(index1, index2)} element in @var{array} to\n" |
1213 | "@var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1214 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1215 | { |
f3667f52 | 1216 | long pos = 0; |
0f2d19dd JB |
1217 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1218 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1219 | { |
1bbd0b84 | 1220 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1221 | v = SCM_ARRAY_V (v); |
1222 | } | |
1223 | else | |
1224 | { | |
1225 | if (SCM_NIMP (args)) | |
0f2d19dd | 1226 | { |
0aa0871f | 1227 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1228 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1229 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1230 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1231 | } |
1232 | else | |
1233 | { | |
3b3b36dd | 1234 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd JB |
1235 | } |
1236 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1237 | } | |
1238 | switch (SCM_TYP7 (v)) | |
1239 | { | |
35de7ebe | 1240 | default: badarg1: |
1bbd0b84 | 1241 | SCM_WTA (1,v); |
35de7ebe | 1242 | abort (); |
c209c88e GB |
1243 | outrng: |
1244 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1245 | wna: | |
1246 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1247 | case scm_tc7_smob: /* enclosed */ |
1248 | goto badarg1; | |
1249 | case scm_tc7_bvect: | |
1250 | if (SCM_BOOL_F == obj) | |
c209c88e | 1251 | SCM_BITVEC_CLR(v,pos); |
0f2d19dd | 1252 | else if (SCM_BOOL_T == obj) |
c209c88e | 1253 | SCM_BITVEC_SET(v,pos); |
0f2d19dd | 1254 | else |
1bbd0b84 | 1255 | badobj:SCM_WTA (2,obj); |
0f2d19dd JB |
1256 | break; |
1257 | case scm_tc7_string: | |
7866a09b GB |
1258 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
1259 | SCM_UCHARS (v)[pos] = SCM_CHAR (obj); | |
0f2d19dd JB |
1260 | break; |
1261 | case scm_tc7_byvect: | |
7866a09b GB |
1262 | if (SCM_CHARP (obj)) |
1263 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1264 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1265 | ((char *)SCM_CHARS (v))[pos] = SCM_INUM (obj); |
1266 | break; | |
1bbd0b84 | 1267 | case scm_tc7_uvect: |
f1267706 | 1268 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2ulong(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1269 | break; |
1bbd0b84 | 1270 | case scm_tc7_ivect: |
f1267706 | 1271 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2long(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1272 | break; |
0f2d19dd | 1273 | case scm_tc7_svect: |
0aa0871f | 1274 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1275 | ((short *) SCM_CDR (v))[pos] = SCM_INUM (obj); |
1276 | break; | |
5c11cc9d | 1277 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1278 | case scm_tc7_llvect: |
1bbd0b84 | 1279 | ((long_long *) SCM_CDR (v))[pos] = scm_num2long_long (obj, (char *)SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1280 | break; |
1281 | #endif | |
1282 | ||
1283 | ||
0f2d19dd | 1284 | case scm_tc7_fvect: |
bc86da5d | 1285 | ((float *) SCM_CDR (v))[pos] = (float) scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd | 1286 | break; |
0f2d19dd | 1287 | case scm_tc7_dvect: |
bc86da5d | 1288 | ((double *) SCM_CDR (v))[pos] = scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd JB |
1289 | break; |
1290 | case scm_tc7_cvect: | |
0c95b57d | 1291 | SCM_ASRTGO (SCM_INEXP (obj), badobj); |
0f2d19dd JB |
1292 | ((double *) SCM_CDR (v))[2 * pos] = SCM_REALPART (obj); |
1293 | ((double *) SCM_CDR (v))[2 * pos + 1] = SCM_CPLXP (obj) ? SCM_IMAG (obj) : 0.0; | |
1294 | break; | |
0f2d19dd | 1295 | case scm_tc7_vector: |
95f5b0f5 | 1296 | case scm_tc7_wvect: |
0f2d19dd JB |
1297 | SCM_VELTS (v)[pos] = obj; |
1298 | break; | |
1299 | } | |
1300 | return SCM_UNSPECIFIED; | |
1301 | } | |
1bbd0b84 | 1302 | #undef FUNC_NAME |
0f2d19dd | 1303 | |
1d7bdb25 GH |
1304 | /* attempts to unroll an array into a one-dimensional array. |
1305 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1306 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1307 | wouldn't have contiguous elements. */ |
3b3b36dd | 1308 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1309 | (SCM ra, SCM strict), |
b380b885 MD |
1310 | "@deffnx primitive array-contents array strict\n" |
1311 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" | |
1312 | "without changing their order (last subscript changing fastest), then\n" | |
1313 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1314 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1315 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1316 | "@var{make-shared-array} may not be.\n\n" | |
1317 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1318 | "be returned only if its elements are stored internally contiguous in\n" | |
1319 | "memory.") | |
1bbd0b84 | 1320 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1321 | { |
1322 | SCM sra; | |
1323 | if (SCM_IMP (ra)) | |
f3667f52 | 1324 | return SCM_BOOL_F; |
5c11cc9d | 1325 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1326 | { |
1327 | default: | |
1328 | return SCM_BOOL_F; | |
1329 | case scm_tc7_vector: | |
95f5b0f5 | 1330 | case scm_tc7_wvect: |
0f2d19dd JB |
1331 | case scm_tc7_string: |
1332 | case scm_tc7_bvect: | |
1333 | case scm_tc7_byvect: | |
1334 | case scm_tc7_uvect: | |
1335 | case scm_tc7_ivect: | |
1336 | case scm_tc7_fvect: | |
1337 | case scm_tc7_dvect: | |
1338 | case scm_tc7_cvect: | |
1339 | case scm_tc7_svect: | |
5c11cc9d | 1340 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1341 | case scm_tc7_llvect: |
1342 | #endif | |
1343 | return ra; | |
1344 | case scm_tc7_smob: | |
1345 | { | |
1346 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1347 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1348 | return SCM_BOOL_F; | |
1349 | for (k = 0; k < ndim; k++) | |
1350 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1351 | if (!SCM_UNBNDP (strict)) | |
1352 | { | |
0f2d19dd JB |
1353 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1354 | return SCM_BOOL_F; | |
1355 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1356 | { | |
1357 | if (len != SCM_LENGTH (SCM_ARRAY_V (ra)) || | |
1358 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || | |
1359 | len % SCM_LONG_BIT) | |
1360 | return SCM_BOOL_F; | |
1361 | } | |
1362 | } | |
1363 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra))) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1364 | return SCM_ARRAY_V (ra); | |
1365 | sra = scm_make_ra (1); | |
1366 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1367 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1368 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1369 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1370 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1371 | return sra; | |
1372 | } | |
1373 | } | |
1374 | } | |
1bbd0b84 | 1375 | #undef FUNC_NAME |
0f2d19dd | 1376 | |
1cc91f1b | 1377 | |
0f2d19dd | 1378 | SCM |
6e8d25a6 | 1379 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1380 | { |
1381 | SCM ret; | |
1382 | long inc = 1; | |
1383 | scm_sizet k, len = 1; | |
1384 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1385 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1386 | k = SCM_ARRAY_NDIM (ra); | |
1387 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1388 | { | |
1389 | if (scm_tc7_bvect != SCM_TYP7 (ra)) | |
1390 | return ra; | |
1391 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra)) && | |
1392 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && | |
1393 | 0 == len % SCM_LONG_BIT)) | |
1394 | return ra; | |
1395 | } | |
1396 | ret = scm_make_ra (k); | |
1397 | SCM_ARRAY_BASE (ret) = 0; | |
1398 | while (k--) | |
1399 | { | |
1400 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1401 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1402 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1403 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1404 | } | |
1405 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1406 | if (copy) | |
1407 | scm_array_copy_x (ra, ret); | |
1408 | return ret; | |
1409 | } | |
1410 | ||
1411 | ||
1412 | ||
3b3b36dd | 1413 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1414 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1415 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1416 | "Attempts to read all elements of @var{ura}, in lexicographic order, as\n" | |
1417 | "binary objects from @var{port-or-fdes}.\n" | |
1418 | "If an end of file is encountered during\n" | |
1419 | "uniform-array-read! the objects up to that point only are put into @var{ura}\n" | |
1420 | "(starting at the beginning) and the remainder of the array is\n" | |
1421 | "unchanged.\n\n" | |
1422 | "The optional arguments @var{start} and @var{end} allow\n" | |
1423 | "a specified region of a vector (or linearized array) to be read,\n" | |
1424 | "leaving the remainder of the vector unchanged.\n\n" | |
1425 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1426 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1427 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1428 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1429 | { |
35de7ebe | 1430 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1431 | long sz, vlen, ans; |
1146b6cd GH |
1432 | long cstart = 0; |
1433 | long cend; | |
1434 | long offset = 0; | |
35de7ebe | 1435 | |
0f2d19dd | 1436 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1437 | if (SCM_UNBNDP (port_or_fd)) |
1438 | port_or_fd = scm_cur_inp; | |
1439 | else | |
1440 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1441 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1442 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df | 1443 | vlen = SCM_LENGTH (v); |
35de7ebe | 1444 | |
0f2d19dd | 1445 | loop: |
35de7ebe | 1446 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1447 | { |
1448 | default: | |
5d2d2ffc | 1449 | badarg1:SCM_WTA (SCM_ARG1,v); |
0f2d19dd JB |
1450 | case scm_tc7_smob: |
1451 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1452 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1453 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1454 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1455 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1456 | v = SCM_ARRAY_V (cra); | |
1457 | goto loop; | |
1458 | case scm_tc7_string: | |
1459 | case scm_tc7_byvect: | |
1460 | sz = sizeof (char); | |
1461 | break; | |
1462 | case scm_tc7_bvect: | |
3d8d56df | 1463 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1464 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1465 | case scm_tc7_uvect: |
1466 | case scm_tc7_ivect: | |
1467 | sz = sizeof (long); | |
1468 | break; | |
1469 | case scm_tc7_svect: | |
1470 | sz = sizeof (short); | |
1471 | break; | |
5c11cc9d | 1472 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1473 | case scm_tc7_llvect: |
1474 | sz = sizeof (long_long); | |
1475 | break; | |
1476 | #endif | |
0f2d19dd JB |
1477 | case scm_tc7_fvect: |
1478 | sz = sizeof (float); | |
1479 | break; | |
0f2d19dd JB |
1480 | case scm_tc7_dvect: |
1481 | sz = sizeof (double); | |
1482 | break; | |
1483 | case scm_tc7_cvect: | |
1484 | sz = 2 * sizeof (double); | |
1485 | break; | |
0f2d19dd | 1486 | } |
3d8d56df | 1487 | |
1146b6cd GH |
1488 | cend = vlen; |
1489 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1490 | { |
1146b6cd | 1491 | offset = |
4638e087 | 1492 | SCM_NUM2LONG (3, start); |
35de7ebe | 1493 | |
1146b6cd | 1494 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1495 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1496 | |
1497 | if (!SCM_UNBNDP (end)) | |
1498 | { | |
1499 | long tend = | |
4638e087 | 1500 | SCM_NUM2LONG (4, end); |
3d8d56df | 1501 | |
1146b6cd | 1502 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1503 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1504 | cend = tend; |
1505 | } | |
0f2d19dd | 1506 | } |
35de7ebe | 1507 | |
3d8d56df GH |
1508 | if (SCM_NIMP (port_or_fd)) |
1509 | { | |
6c951427 GH |
1510 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1511 | int remaining = (cend - offset) * sz; | |
1512 | char *dest = SCM_CHARS (v) + (cstart + offset) * sz; | |
1513 | ||
1514 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1515 | scm_flush (port_or_fd); |
6c951427 GH |
1516 | |
1517 | ans = cend - offset; | |
1518 | while (remaining > 0) | |
3d8d56df | 1519 | { |
6c951427 GH |
1520 | if (pt->read_pos < pt->read_end) |
1521 | { | |
1522 | int to_copy = min (pt->read_end - pt->read_pos, | |
1523 | remaining); | |
1524 | ||
1525 | memcpy (dest, pt->read_pos, to_copy); | |
1526 | pt->read_pos += to_copy; | |
1527 | remaining -= to_copy; | |
1528 | dest += to_copy; | |
1529 | } | |
1530 | else | |
1531 | { | |
affc96b5 | 1532 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1533 | { |
1534 | if (remaining % sz != 0) | |
1535 | { | |
5d2d2ffc | 1536 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1537 | } |
1538 | ans -= remaining / sz; | |
1539 | break; | |
1540 | } | |
6c951427 | 1541 | } |
3d8d56df | 1542 | } |
6c951427 GH |
1543 | |
1544 | if (pt->rw_random) | |
1545 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1546 | } |
1547 | else /* file descriptor. */ | |
1548 | { | |
1549 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1550 | SCM_CHARS (v) + (cstart + offset) * sz, |
1551 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1552 | if (ans == -1) |
1bbd0b84 | 1553 | SCM_SYSERROR; |
3d8d56df | 1554 | } |
0f2d19dd JB |
1555 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1556 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1557 | |
0f2d19dd JB |
1558 | if (v != ra && cra != ra) |
1559 | scm_array_copy_x (cra, ra); | |
35de7ebe | 1560 | |
0f2d19dd JB |
1561 | return SCM_MAKINUM (ans); |
1562 | } | |
1bbd0b84 | 1563 | #undef FUNC_NAME |
0f2d19dd | 1564 | |
3b3b36dd | 1565 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1566 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1567 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
1568 | "Writes all elements of @var{ura} as binary objects to\n" | |
1569 | "@var{port-or-fdes}.\n\n" | |
1570 | "The optional arguments @var{start}\n" | |
1571 | "and @var{end} allow\n" | |
1572 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
1573 | "The number of objects actually written is returned. \n" | |
1574 | "@var{port-or-fdes} may be\n" | |
1575 | "omitted, in which case it defaults to the value returned by\n" | |
1576 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1577 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1578 | { |
3d8d56df | 1579 | long sz, vlen, ans; |
1146b6cd GH |
1580 | long offset = 0; |
1581 | long cstart = 0; | |
1582 | long cend; | |
3d8d56df | 1583 | |
78446828 MV |
1584 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1585 | ||
0f2d19dd | 1586 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1587 | if (SCM_UNBNDP (port_or_fd)) |
1588 | port_or_fd = scm_cur_outp; | |
1589 | else | |
1590 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1591 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1592 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df GH |
1593 | vlen = SCM_LENGTH (v); |
1594 | ||
0f2d19dd | 1595 | loop: |
3d8d56df | 1596 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1597 | { |
1598 | default: | |
4638e087 | 1599 | badarg1:SCM_WTA (1, v); |
0f2d19dd JB |
1600 | case scm_tc7_smob: |
1601 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1602 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1603 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1604 | vlen = SCM_ARRAY_DIMS (v)->inc |
1605 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1606 | v = SCM_ARRAY_V (v); |
1607 | goto loop; | |
0f2d19dd | 1608 | case scm_tc7_string: |
3d8d56df | 1609 | case scm_tc7_byvect: |
0f2d19dd JB |
1610 | sz = sizeof (char); |
1611 | break; | |
1612 | case scm_tc7_bvect: | |
3d8d56df | 1613 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1614 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1615 | case scm_tc7_uvect: |
1616 | case scm_tc7_ivect: | |
1617 | sz = sizeof (long); | |
1618 | break; | |
1619 | case scm_tc7_svect: | |
1620 | sz = sizeof (short); | |
1621 | break; | |
5c11cc9d | 1622 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1623 | case scm_tc7_llvect: |
1624 | sz = sizeof (long_long); | |
1625 | break; | |
1626 | #endif | |
0f2d19dd JB |
1627 | case scm_tc7_fvect: |
1628 | sz = sizeof (float); | |
1629 | break; | |
0f2d19dd JB |
1630 | case scm_tc7_dvect: |
1631 | sz = sizeof (double); | |
1632 | break; | |
1633 | case scm_tc7_cvect: | |
1634 | sz = 2 * sizeof (double); | |
1635 | break; | |
0f2d19dd | 1636 | } |
3d8d56df | 1637 | |
1146b6cd GH |
1638 | cend = vlen; |
1639 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1640 | { |
1146b6cd | 1641 | offset = |
4638e087 | 1642 | SCM_NUM2LONG (3, start); |
3d8d56df | 1643 | |
1146b6cd | 1644 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1645 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1646 | |
1647 | if (!SCM_UNBNDP (end)) | |
1648 | { | |
1649 | long tend = | |
4638e087 | 1650 | SCM_NUM2LONG (4, end); |
3d8d56df | 1651 | |
1146b6cd | 1652 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1653 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1654 | cend = tend; |
1655 | } | |
3d8d56df GH |
1656 | } |
1657 | ||
1658 | if (SCM_NIMP (port_or_fd)) | |
1659 | { | |
6c951427 | 1660 | char *source = SCM_CHARS (v) + (cstart + offset) * sz; |
6c951427 GH |
1661 | |
1662 | ans = cend - offset; | |
265e6a4d | 1663 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1664 | } |
1665 | else /* file descriptor. */ | |
1666 | { | |
1667 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1668 | SCM_CHARS (v) + (cstart + offset) * sz, |
1669 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1670 | if (ans == -1) |
1bbd0b84 | 1671 | SCM_SYSERROR; |
3d8d56df | 1672 | } |
0f2d19dd JB |
1673 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1674 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1675 | |
0f2d19dd JB |
1676 | return SCM_MAKINUM (ans); |
1677 | } | |
1bbd0b84 | 1678 | #undef FUNC_NAME |
0f2d19dd JB |
1679 | |
1680 | ||
1681 | static char cnt_tab[16] = | |
1682 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1683 | ||
3b3b36dd | 1684 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
1bbd0b84 | 1685 | (SCM item, SCM seq), |
b380b885 | 1686 | "Returns the number occurrences of @var{bool} in @var{bv}.") |
1bbd0b84 | 1687 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd JB |
1688 | { |
1689 | long i; | |
c209c88e GB |
1690 | register unsigned long cnt = 0; |
1691 | register unsigned long w; | |
3b3b36dd | 1692 | SCM_VALIDATE_INUM (2,seq); |
5c11cc9d | 1693 | switch SCM_TYP7 (seq) |
0f2d19dd JB |
1694 | { |
1695 | default: | |
1bbd0b84 | 1696 | SCM_WTA (2,seq); |
0f2d19dd JB |
1697 | case scm_tc7_bvect: |
1698 | if (0 == SCM_LENGTH (seq)) | |
1699 | return SCM_INUM0; | |
1700 | i = (SCM_LENGTH (seq) - 1) / SCM_LONG_BIT; | |
f1267706 | 1701 | w = SCM_UNPACK (SCM_VELTS (seq)[i]); |
0f2d19dd JB |
1702 | if (SCM_FALSEP (item)) |
1703 | w = ~w; | |
1704 | w <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (seq) - 1) % SCM_LONG_BIT); | |
1705 | while (!0) | |
1706 | { | |
1707 | for (; w; w >>= 4) | |
1708 | cnt += cnt_tab[w & 0x0f]; | |
1709 | if (0 == i--) | |
1710 | return SCM_MAKINUM (cnt); | |
f1267706 | 1711 | w = SCM_UNPACK (SCM_VELTS (seq)[i]); |
0f2d19dd JB |
1712 | if (SCM_FALSEP (item)) |
1713 | w = ~w; | |
1714 | } | |
1715 | } | |
1716 | } | |
1bbd0b84 | 1717 | #undef FUNC_NAME |
0f2d19dd JB |
1718 | |
1719 | ||
3b3b36dd | 1720 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1721 | (SCM item, SCM v, SCM k), |
b380b885 MD |
1722 | "Returns the minimum index of an occurrence of @var{bool} in @var{bv}\n" |
1723 | "which is at least @var{k}. If no @var{bool} occurs within the specified\n" | |
1724 | "range @code{#f} is returned.") | |
1bbd0b84 | 1725 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1726 | { |
1bbd0b84 | 1727 | long i, lenw, xbits, pos; |
0f2d19dd | 1728 | register unsigned long w; |
6b5a304f | 1729 | SCM_VALIDATE_NIM (2,v); |
3b3b36dd | 1730 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
0f2d19dd | 1731 | SCM_ASSERT ((pos <= SCM_LENGTH (v)) && (pos >= 0), |
1bbd0b84 | 1732 | k, SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1733 | if (pos == SCM_LENGTH (v)) |
1734 | return SCM_BOOL_F; | |
5c11cc9d | 1735 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1736 | { |
1737 | default: | |
1bbd0b84 | 1738 | SCM_WTA (2,v); |
0f2d19dd JB |
1739 | case scm_tc7_bvect: |
1740 | if (0 == SCM_LENGTH (v)) | |
1741 | return SCM_MAKINUM (-1L); | |
1742 | lenw = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1743 | i = pos / SCM_LONG_BIT; | |
f1267706 | 1744 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1745 | if (SCM_FALSEP (item)) |
1746 | w = ~w; | |
1747 | xbits = (pos % SCM_LONG_BIT); | |
1748 | pos -= xbits; | |
1749 | w = ((w >> xbits) << xbits); | |
1750 | xbits = SCM_LONG_BIT - 1 - (SCM_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1751 | while (!0) | |
1752 | { | |
1753 | if (w && (i == lenw)) | |
1754 | w = ((w << xbits) >> xbits); | |
1755 | if (w) | |
1756 | while (w) | |
1757 | switch (w & 0x0f) | |
1758 | { | |
1759 | default: | |
1760 | return SCM_MAKINUM (pos); | |
1761 | case 2: | |
1762 | case 6: | |
1763 | case 10: | |
1764 | case 14: | |
1765 | return SCM_MAKINUM (pos + 1); | |
1766 | case 4: | |
1767 | case 12: | |
1768 | return SCM_MAKINUM (pos + 2); | |
1769 | case 8: | |
1770 | return SCM_MAKINUM (pos + 3); | |
1771 | case 0: | |
1772 | pos += 4; | |
1773 | w >>= 4; | |
1774 | } | |
1775 | if (++i > lenw) | |
1776 | break; | |
1777 | pos += SCM_LONG_BIT; | |
f1267706 | 1778 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1779 | if (SCM_FALSEP (item)) |
1780 | w = ~w; | |
1781 | } | |
1782 | return SCM_BOOL_F; | |
1783 | } | |
1784 | } | |
1bbd0b84 | 1785 | #undef FUNC_NAME |
0f2d19dd JB |
1786 | |
1787 | ||
3b3b36dd | 1788 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
1bbd0b84 | 1789 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1790 | "If uve is a bit-vector @var{bv} and uve must be of the same length. If\n" |
1791 | "@var{bool} is @code{#t}, uve is OR'ed into @var{bv}; If @var{bool} is @code{#f}, the\n" | |
1792 | "inversion of uve is AND'ed into @var{bv}.\n\n" | |
1793 | "If uve is a unsigned integer vector all the elements of uve must be\n" | |
1794 | "between 0 and the @code{LENGTH} of @var{bv}. The bits of @var{bv}\n" | |
1795 | "corresponding to the indexes in uve are set to @var{bool}.\n\n" | |
1796 | "The return value is unspecified.") | |
1bbd0b84 | 1797 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1798 | { |
1799 | register long i, k, vlen; | |
1800 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1801 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1802 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1803 | { |
1804 | default: | |
1bbd0b84 | 1805 | badarg2:SCM_WTA (2,kv); |
0f2d19dd | 1806 | case scm_tc7_uvect: |
5c11cc9d | 1807 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1808 | { |
1809 | default: | |
c209c88e | 1810 | badarg1: SCM_WTA (1,v); |
0f2d19dd JB |
1811 | case scm_tc7_bvect: |
1812 | vlen = SCM_LENGTH (v); | |
1813 | if (SCM_BOOL_F == obj) | |
1814 | for (i = SCM_LENGTH (kv); i;) | |
1815 | { | |
f1267706 | 1816 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1817 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1818 | SCM_BITVEC_CLR(v,k); |
0f2d19dd JB |
1819 | } |
1820 | else if (SCM_BOOL_T == obj) | |
1821 | for (i = SCM_LENGTH (kv); i;) | |
1822 | { | |
f1267706 | 1823 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1824 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1825 | SCM_BITVEC_SET(v,k); |
0f2d19dd JB |
1826 | } |
1827 | else | |
1bbd0b84 | 1828 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1829 | } |
1830 | break; | |
1831 | case scm_tc7_bvect: | |
1832 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1833 | if (SCM_BOOL_F == obj) | |
1834 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
f1267706 | 1835 | SCM_UNPACK (SCM_VELTS (v)[k]) &= ~ SCM_UNPACK(SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1836 | else if (SCM_BOOL_T == obj) |
1837 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
f1267706 | 1838 | SCM_UNPACK (SCM_VELTS (v)[k]) |= SCM_UNPACK (SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1839 | else |
1840 | goto badarg3; | |
1841 | break; | |
1842 | } | |
1843 | return SCM_UNSPECIFIED; | |
1844 | } | |
1bbd0b84 | 1845 | #undef FUNC_NAME |
0f2d19dd JB |
1846 | |
1847 | ||
3b3b36dd | 1848 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1849 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1850 | "Returns\n" |
1851 | "@example\n" | |
1852 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" | |
1853 | "@end example\n" | |
1854 | "@var{bv} is not modified.") | |
1bbd0b84 | 1855 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1856 | { |
1857 | register long i, vlen, count = 0; | |
1858 | register unsigned long k; | |
41b0806d | 1859 | int fObj = 0; |
c209c88e | 1860 | |
0f2d19dd JB |
1861 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1862 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1863 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1864 | { |
1865 | default: | |
c209c88e GB |
1866 | badarg2: |
1867 | SCM_WTA (2,kv); | |
0f2d19dd JB |
1868 | case scm_tc7_uvect: |
1869 | switch SCM_TYP7 | |
1870 | (v) | |
1871 | { | |
1872 | default: | |
c209c88e GB |
1873 | badarg1: |
1874 | SCM_WTA (1,v); | |
0f2d19dd JB |
1875 | case scm_tc7_bvect: |
1876 | vlen = SCM_LENGTH (v); | |
1877 | if (SCM_BOOL_F == obj) | |
1878 | for (i = SCM_LENGTH (kv); i;) | |
1879 | { | |
f1267706 | 1880 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1881 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1882 | if (!SCM_BITVEC_REF(v,k)) |
0f2d19dd JB |
1883 | count++; |
1884 | } | |
1885 | else if (SCM_BOOL_T == obj) | |
1886 | for (i = SCM_LENGTH (kv); i;) | |
1887 | { | |
f1267706 | 1888 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1889 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1890 | if (SCM_BITVEC_REF (v,k)) |
0f2d19dd JB |
1891 | count++; |
1892 | } | |
1893 | else | |
1bbd0b84 | 1894 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1895 | } |
1896 | break; | |
1897 | case scm_tc7_bvect: | |
1898 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1899 | if (0 == SCM_LENGTH (v)) | |
1900 | return SCM_INUM0; | |
1901 | SCM_ASRTGO (SCM_BOOL_T == obj || SCM_BOOL_F == obj, badarg3); | |
41b0806d | 1902 | fObj = (SCM_BOOL_T == obj); |
0f2d19dd | 1903 | i = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; |
f1267706 | 1904 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd | 1905 | k <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (v) - 1) % SCM_LONG_BIT); |
c209c88e | 1906 | while (1) |
0f2d19dd JB |
1907 | { |
1908 | for (; k; k >>= 4) | |
1909 | count += cnt_tab[k & 0x0f]; | |
1910 | if (0 == i--) | |
1911 | return SCM_MAKINUM (count); | |
c209c88e GB |
1912 | |
1913 | /* urg. repetitive (see above.) */ | |
f1267706 | 1914 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1915 | } |
1916 | } | |
1917 | return SCM_MAKINUM (count); | |
1918 | } | |
1bbd0b84 | 1919 | #undef FUNC_NAME |
0f2d19dd JB |
1920 | |
1921 | ||
3b3b36dd | 1922 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1923 | (SCM v), |
b380b885 | 1924 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 1925 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd JB |
1926 | { |
1927 | register long k; | |
1928 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1929 | k = SCM_LENGTH (v); | |
1930 | switch SCM_TYP7 | |
1931 | (v) | |
1932 | { | |
1933 | case scm_tc7_bvect: | |
1934 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
f1267706 | 1935 | SCM_UNPACK (SCM_VELTS (v)[k]) = ~SCM_UNPACK(SCM_VELTS (v)[k]); |
0f2d19dd JB |
1936 | break; |
1937 | default: | |
1bbd0b84 | 1938 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1939 | } |
1940 | return SCM_UNSPECIFIED; | |
1941 | } | |
1bbd0b84 | 1942 | #undef FUNC_NAME |
0f2d19dd JB |
1943 | |
1944 | ||
0f2d19dd | 1945 | SCM |
1bbd0b84 | 1946 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
1947 | { |
1948 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
1949 | long *data = (long *) SCM_VELTS (v); | |
1950 | register unsigned long mask; | |
1951 | register long k; | |
1952 | register long j; | |
1953 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
1954 | { | |
1955 | data[k] = 0L; | |
1956 | j = len - k * SCM_LONG_BIT; | |
1957 | if (j > SCM_LONG_BIT) | |
1958 | j = SCM_LONG_BIT; | |
1959 | for (mask = 1L; j--; mask <<= 1) | |
1960 | switch (*str++) | |
1961 | { | |
1962 | case '0': | |
1963 | break; | |
1964 | case '1': | |
1965 | data[k] |= mask; | |
1966 | break; | |
1967 | default: | |
1968 | return SCM_BOOL_F; | |
1969 | } | |
1970 | } | |
1971 | return v; | |
1972 | } | |
1973 | ||
1974 | ||
1cc91f1b | 1975 | |
0f2d19dd | 1976 | static SCM |
1bbd0b84 | 1977 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
1978 | { |
1979 | register SCM res = SCM_EOL; | |
1980 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
1981 | register scm_sizet i; | |
1982 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
1983 | return SCM_EOL; | |
1984 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
1985 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
1986 | { | |
1987 | do | |
1988 | { | |
1989 | i -= inc; | |
1990 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
1991 | } | |
1992 | while (i != base); | |
1993 | } | |
1994 | else | |
1995 | do | |
1996 | { | |
1997 | i -= inc; | |
1998 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
1999 | } | |
2000 | while (i != base); | |
2001 | return res; | |
2002 | } | |
2003 | ||
2004 | ||
3b3b36dd | 2005 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2006 | (SCM v), |
b380b885 | 2007 | "Returns a list consisting of all the elements, in order, of @var{array}.") |
1bbd0b84 | 2008 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2009 | { |
2010 | SCM res = SCM_EOL; | |
2011 | register long k; | |
2012 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
2013 | switch SCM_TYP7 | |
2014 | (v) | |
2015 | { | |
2016 | default: | |
1bbd0b84 | 2017 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2018 | case scm_tc7_smob: |
2019 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2020 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2021 | case scm_tc7_vector: | |
95f5b0f5 | 2022 | case scm_tc7_wvect: |
0f2d19dd JB |
2023 | return scm_vector_to_list (v); |
2024 | case scm_tc7_string: | |
2025 | return scm_string_to_list (v); | |
2026 | case scm_tc7_bvect: | |
2027 | { | |
2028 | long *data = (long *) SCM_VELTS (v); | |
2029 | register unsigned long mask; | |
2030 | for (k = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
cdbadcac | 2031 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2032 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd | 2033 | for (mask = 1L << ((SCM_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2034 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2035 | return res; |
2036 | } | |
0f2d19dd JB |
2037 | case scm_tc7_uvect: { |
2038 | long *data = (long *)SCM_VELTS(v); | |
2039 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2040 | res = scm_cons(scm_ulong2num(data[k]), res); | |
2041 | return res; | |
2042 | } | |
2043 | case scm_tc7_ivect: { | |
2044 | long *data = (long *)SCM_VELTS(v); | |
2045 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2046 | res = scm_cons(scm_long2num(data[k]), res); | |
2047 | return res; | |
2048 | } | |
0f2d19dd JB |
2049 | case scm_tc7_svect: { |
2050 | short *data; | |
2051 | data = (short *)SCM_VELTS(v); | |
2052 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2053 | res = scm_cons(SCM_MAKINUM (data[k]), res); | |
2054 | return res; | |
2055 | } | |
5c11cc9d | 2056 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2057 | case scm_tc7_llvect: { |
2058 | long_long *data; | |
2059 | data = (long_long *)SCM_VELTS(v); | |
2060 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2061 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2062 | return res; | |
2063 | } | |
2064 | #endif | |
2065 | ||
2066 | ||
0f2d19dd JB |
2067 | case scm_tc7_fvect: |
2068 | { | |
2069 | float *data = (float *) SCM_VELTS (v); | |
2070 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
bc86da5d | 2071 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2072 | return res; |
2073 | } | |
0f2d19dd JB |
2074 | case scm_tc7_dvect: |
2075 | { | |
2076 | double *data = (double *) SCM_VELTS (v); | |
2077 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2078 | res = scm_cons (scm_makdbl (data[k], 0.0), res); | |
2079 | return res; | |
2080 | } | |
2081 | case scm_tc7_cvect: | |
2082 | { | |
2083 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
2084 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2085 | res = scm_cons (scm_makdbl (data[k][0], data[k][1]), res); | |
2086 | return res; | |
2087 | } | |
0f2d19dd JB |
2088 | } |
2089 | } | |
1bbd0b84 | 2090 | #undef FUNC_NAME |
0f2d19dd JB |
2091 | |
2092 | ||
20a54673 | 2093 | static char s_bad_ralst[] = "Bad scm_array contents list"; |
1cc91f1b | 2094 | |
1bbd0b84 | 2095 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2096 | |
3b3b36dd | 2097 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2098 | (SCM ndim, SCM prot, SCM lst), |
b380b885 MD |
2099 | "@deffnx procedure list->uniform-vector prot lst\n" |
2100 | "Returns a uniform array of the type indicated by prototype @var{prot}\n" | |
2101 | "with elements the same as those of @var{lst}. Elements must be of the\n" | |
2102 | "appropriate type, no coercions are done.") | |
1bbd0b84 | 2103 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2104 | { |
2105 | SCM shp = SCM_EOL; | |
2106 | SCM row = lst; | |
2107 | SCM ra; | |
2108 | scm_sizet k; | |
2109 | long n; | |
3b3b36dd | 2110 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2111 | while (k--) |
2112 | { | |
2113 | n = scm_ilength (row); | |
1bbd0b84 | 2114 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2115 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2116 | if (SCM_NIMP (row)) | |
2117 | row = SCM_CAR (row); | |
2118 | } | |
d12feca3 GH |
2119 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2120 | SCM_UNDEFINED); | |
0f2d19dd JB |
2121 | if (SCM_NULLP (shp)) |
2122 | ||
2123 | { | |
2124 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2125 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2126 | return ra; | |
2127 | } | |
2128 | if (!SCM_ARRAYP (ra)) | |
2129 | { | |
2130 | for (k = 0; k < SCM_LENGTH (ra); k++, lst = SCM_CDR (lst)) | |
2131 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); | |
2132 | return ra; | |
2133 | } | |
2134 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2135 | return ra; | |
2136 | else | |
1bbd0b84 | 2137 | badlst:scm_wta (lst, s_bad_ralst, FUNC_NAME); |
0f2d19dd JB |
2138 | return SCM_BOOL_F; |
2139 | } | |
1bbd0b84 | 2140 | #undef FUNC_NAME |
0f2d19dd | 2141 | |
0f2d19dd | 2142 | static int |
1bbd0b84 | 2143 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2144 | { |
2145 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2146 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2147 | int ok = 1; | |
2148 | if (n <= 0) | |
2149 | return (SCM_EOL == lst); | |
2150 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2151 | { | |
2152 | while (n--) | |
2153 | { | |
2154 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2155 | return 0; | |
2156 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2157 | base += inc; | |
2158 | lst = SCM_CDR (lst); | |
2159 | } | |
2160 | if (SCM_NNULLP (lst)) | |
2161 | return 0; | |
2162 | } | |
2163 | else | |
2164 | { | |
2165 | while (n--) | |
2166 | { | |
2167 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2168 | return 0; | |
2169 | ok = ok && scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); | |
2170 | base += inc; | |
2171 | lst = SCM_CDR (lst); | |
2172 | } | |
2173 | if (SCM_NNULLP (lst)) | |
2174 | return 0; | |
2175 | } | |
2176 | return ok; | |
2177 | } | |
2178 | ||
1cc91f1b | 2179 | |
0f2d19dd | 2180 | static void |
1bbd0b84 | 2181 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2182 | { |
2183 | long inc = 1; | |
2184 | long n = SCM_LENGTH (ra); | |
2185 | int enclosed = 0; | |
2186 | tail: | |
5c11cc9d | 2187 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2188 | { |
2189 | case scm_tc7_smob: | |
2190 | if (enclosed++) | |
2191 | { | |
2192 | SCM_ARRAY_BASE (ra) = j; | |
2193 | if (n-- > 0) | |
9882ea19 | 2194 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2195 | for (j += inc; n-- > 0; j += inc) |
2196 | { | |
b7f3516f | 2197 | scm_putc (' ', port); |
0f2d19dd | 2198 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2199 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2200 | } |
2201 | break; | |
2202 | } | |
2203 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2204 | { | |
2205 | long i; | |
2206 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2207 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2208 | { | |
b7f3516f | 2209 | scm_putc ('(', port); |
9882ea19 | 2210 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2211 | scm_puts (") ", port); |
0f2d19dd JB |
2212 | j += inc; |
2213 | } | |
2214 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2215 | { /* could be zero size. */ | |
b7f3516f | 2216 | scm_putc ('(', port); |
9882ea19 | 2217 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2218 | scm_putc (')', port); |
0f2d19dd JB |
2219 | } |
2220 | break; | |
2221 | } | |
2222 | if SCM_ARRAY_NDIM | |
2223 | (ra) | |
2224 | { /* Could be zero-dimensional */ | |
2225 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2226 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2227 | } | |
2228 | else | |
2229 | n = 1; | |
2230 | ra = SCM_ARRAY_V (ra); | |
2231 | goto tail; | |
2232 | default: | |
5c11cc9d | 2233 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2234 | if (n-- > 0) |
9882ea19 | 2235 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2236 | for (j += inc; n-- > 0; j += inc) |
2237 | { | |
b7f3516f | 2238 | scm_putc (' ', port); |
9882ea19 | 2239 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2240 | } |
2241 | break; | |
2242 | case scm_tc7_string: | |
2243 | if (n-- > 0) | |
7866a09b | 2244 | scm_iprin1 (SCM_MAKE_CHAR (SCM_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2245 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2246 | for (j += inc; n-- > 0; j += inc) |
2247 | { | |
b7f3516f | 2248 | scm_putc (' ', port); |
7866a09b | 2249 | scm_iprin1 (SCM_MAKE_CHAR (SCM_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2250 | } |
2251 | else | |
2252 | for (j += inc; n-- > 0; j += inc) | |
b7f3516f | 2253 | scm_putc (SCM_CHARS (ra)[j], port); |
0f2d19dd JB |
2254 | break; |
2255 | case scm_tc7_byvect: | |
2256 | if (n-- > 0) | |
2257 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); | |
2258 | for (j += inc; n-- > 0; j += inc) | |
2259 | { | |
b7f3516f | 2260 | scm_putc (' ', port); |
0f2d19dd JB |
2261 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); |
2262 | } | |
2263 | break; | |
2264 | ||
2265 | case scm_tc7_uvect: | |
5c11cc9d GH |
2266 | { |
2267 | char str[11]; | |
2268 | ||
2269 | if (n-- > 0) | |
2270 | { | |
2271 | /* intprint can't handle >= 2^31. */ | |
2272 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2273 | scm_puts (str, port); | |
2274 | } | |
2275 | for (j += inc; n-- > 0; j += inc) | |
2276 | { | |
2277 | scm_putc (' ', port); | |
2278 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2279 | scm_puts (str, port); | |
2280 | } | |
2281 | } | |
0f2d19dd JB |
2282 | case scm_tc7_ivect: |
2283 | if (n-- > 0) | |
c209c88e | 2284 | scm_intprint ((int)SCM_VELTS (ra)[j], 10, port); |
0f2d19dd JB |
2285 | for (j += inc; n-- > 0; j += inc) |
2286 | { | |
b7f3516f | 2287 | scm_putc (' ', port); |
c209c88e | 2288 | scm_intprint ((int)SCM_VELTS (ra)[j], 10, port); |
0f2d19dd JB |
2289 | } |
2290 | break; | |
2291 | ||
2292 | case scm_tc7_svect: | |
2293 | if (n-- > 0) | |
2294 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); | |
2295 | for (j += inc; n-- > 0; j += inc) | |
2296 | { | |
b7f3516f | 2297 | scm_putc (' ', port); |
0f2d19dd JB |
2298 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); |
2299 | } | |
2300 | break; | |
2301 | ||
0f2d19dd JB |
2302 | case scm_tc7_fvect: |
2303 | if (n-- > 0) | |
2304 | { | |
bc86da5d MD |
2305 | SCM z = scm_make_real (1.0); |
2306 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2307 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2308 | for (j += inc; n-- > 0; j += inc) |
2309 | { | |
b7f3516f | 2310 | scm_putc (' ', port); |
bc86da5d MD |
2311 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2312 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2313 | } |
2314 | } | |
2315 | break; | |
0f2d19dd JB |
2316 | case scm_tc7_dvect: |
2317 | if (n-- > 0) | |
2318 | { | |
bc86da5d MD |
2319 | SCM z = scm_make_real (1.0 / 3.0); |
2320 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2321 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2322 | for (j += inc; n-- > 0; j += inc) |
2323 | { | |
b7f3516f | 2324 | scm_putc (' ', port); |
bc86da5d MD |
2325 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2326 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2327 | } |
2328 | } | |
2329 | break; | |
2330 | case scm_tc7_cvect: | |
2331 | if (n-- > 0) | |
2332 | { | |
bc86da5d MD |
2333 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2334 | SCM_REAL_VALUE (z) = | |
2335 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2336 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2337 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2338 | port, pstate); | |
0f2d19dd JB |
2339 | for (j += inc; n-- > 0; j += inc) |
2340 | { | |
b7f3516f | 2341 | scm_putc (' ', port); |
bc86da5d MD |
2342 | SCM_REAL_VALUE (z) |
2343 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2344 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2345 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2346 | port, pstate); | |
0f2d19dd JB |
2347 | } |
2348 | } | |
2349 | break; | |
0f2d19dd JB |
2350 | } |
2351 | } | |
2352 | ||
2353 | ||
1cc91f1b | 2354 | |
0f2d19dd | 2355 | int |
1bbd0b84 | 2356 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2357 | { |
2358 | SCM v = exp; | |
2359 | scm_sizet base = 0; | |
b7f3516f | 2360 | scm_putc ('#', port); |
0f2d19dd | 2361 | tail: |
5c11cc9d | 2362 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2363 | { |
2364 | case scm_tc7_smob: | |
2365 | { | |
2366 | long ndim = SCM_ARRAY_NDIM (v); | |
2367 | base = SCM_ARRAY_BASE (v); | |
2368 | v = SCM_ARRAY_V (v); | |
2369 | if (SCM_ARRAYP (v)) | |
2370 | ||
2371 | { | |
b7f3516f | 2372 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2373 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2374 | scm_putc ('>', port); |
0f2d19dd JB |
2375 | return 1; |
2376 | } | |
2377 | else | |
2378 | { | |
2379 | scm_intprint (ndim, 10, port); | |
2380 | goto tail; | |
2381 | } | |
2382 | } | |
2383 | case scm_tc7_bvect: | |
2384 | if (exp == v) | |
2385 | { /* a uve, not an scm_array */ | |
2386 | register long i, j, w; | |
b7f3516f | 2387 | scm_putc ('*', port); |
0f2d19dd JB |
2388 | for (i = 0; i < (SCM_LENGTH (exp)) / SCM_LONG_BIT; i++) |
2389 | { | |
f1267706 | 2390 | scm_bits_t w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
0f2d19dd JB |
2391 | for (j = SCM_LONG_BIT; j; j--) |
2392 | { | |
b7f3516f | 2393 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2394 | w >>= 1; |
2395 | } | |
2396 | } | |
2397 | j = SCM_LENGTH (exp) % SCM_LONG_BIT; | |
2398 | if (j) | |
2399 | { | |
f1267706 | 2400 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2401 | for (; j; j--) |
2402 | { | |
b7f3516f | 2403 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2404 | w >>= 1; |
2405 | } | |
2406 | } | |
2407 | return 1; | |
2408 | } | |
2409 | else | |
b7f3516f | 2410 | scm_putc ('b', port); |
0f2d19dd JB |
2411 | break; |
2412 | case scm_tc7_string: | |
b7f3516f | 2413 | scm_putc ('a', port); |
0f2d19dd JB |
2414 | break; |
2415 | case scm_tc7_byvect: | |
05c33d09 | 2416 | scm_putc ('y', port); |
0f2d19dd JB |
2417 | break; |
2418 | case scm_tc7_uvect: | |
b7f3516f | 2419 | scm_putc ('u', port); |
0f2d19dd JB |
2420 | break; |
2421 | case scm_tc7_ivect: | |
b7f3516f | 2422 | scm_putc ('e', port); |
0f2d19dd JB |
2423 | break; |
2424 | case scm_tc7_svect: | |
05c33d09 | 2425 | scm_putc ('h', port); |
0f2d19dd | 2426 | break; |
5c11cc9d | 2427 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2428 | case scm_tc7_llvect: |
5c11cc9d | 2429 | scm_putc ('l', port); |
0f2d19dd JB |
2430 | break; |
2431 | #endif | |
0f2d19dd | 2432 | case scm_tc7_fvect: |
b7f3516f | 2433 | scm_putc ('s', port); |
0f2d19dd | 2434 | break; |
0f2d19dd | 2435 | case scm_tc7_dvect: |
b7f3516f | 2436 | scm_putc ('i', port); |
0f2d19dd JB |
2437 | break; |
2438 | case scm_tc7_cvect: | |
b7f3516f | 2439 | scm_putc ('c', port); |
0f2d19dd | 2440 | break; |
0f2d19dd | 2441 | } |
b7f3516f | 2442 | scm_putc ('(', port); |
9882ea19 | 2443 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2444 | scm_putc (')', port); |
0f2d19dd JB |
2445 | return 1; |
2446 | } | |
2447 | ||
3b3b36dd | 2448 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2449 | (SCM ra), |
b380b885 MD |
2450 | "Returns an object that would produce an array of the same type as\n" |
2451 | "@var{array}, if used as the @var{prototype} for\n" | |
2452 | "@code{make-uniform-array}.") | |
1bbd0b84 | 2453 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2454 | { |
2455 | int enclosed = 0; | |
2456 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2457 | loop: | |
2458 | switch SCM_TYP7 | |
2459 | (ra) | |
2460 | { | |
2461 | default: | |
1bbd0b84 | 2462 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
2463 | case scm_tc7_smob: |
2464 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2465 | if (enclosed++) | |
2466 | return SCM_UNSPECIFIED; | |
2467 | ra = SCM_ARRAY_V (ra); | |
2468 | goto loop; | |
2469 | case scm_tc7_vector: | |
95f5b0f5 | 2470 | case scm_tc7_wvect: |
0f2d19dd JB |
2471 | return SCM_EOL; |
2472 | case scm_tc7_bvect: | |
2473 | return SCM_BOOL_T; | |
2474 | case scm_tc7_string: | |
7866a09b | 2475 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2476 | case scm_tc7_byvect: |
7866a09b | 2477 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2478 | case scm_tc7_uvect: |
2479 | return SCM_MAKINUM (1L); | |
2480 | case scm_tc7_ivect: | |
2481 | return SCM_MAKINUM (-1L); | |
2482 | case scm_tc7_svect: | |
2483 | return SCM_CDR (scm_intern ("s", 1)); | |
5c11cc9d | 2484 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2485 | case scm_tc7_llvect: |
2486 | return SCM_CDR (scm_intern ("l", 1)); | |
2487 | #endif | |
0f2d19dd | 2488 | case scm_tc7_fvect: |
bc86da5d | 2489 | return scm_make_real (1.0); |
0f2d19dd | 2490 | case scm_tc7_dvect: |
bc86da5d | 2491 | return scm_make_real (1.0 / 3.0); |
0f2d19dd | 2492 | case scm_tc7_cvect: |
bc86da5d | 2493 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2494 | } |
2495 | } | |
1bbd0b84 | 2496 | #undef FUNC_NAME |
0f2d19dd | 2497 | |
1cc91f1b | 2498 | |
0f2d19dd | 2499 | static SCM |
1bbd0b84 | 2500 | markra (SCM ptr) |
0f2d19dd | 2501 | { |
0f2d19dd JB |
2502 | return SCM_ARRAY_V (ptr); |
2503 | } | |
2504 | ||
1cc91f1b | 2505 | |
0f2d19dd | 2506 | static scm_sizet |
1bbd0b84 | 2507 | freera (SCM ptr) |
0f2d19dd JB |
2508 | { |
2509 | scm_must_free (SCM_CHARS (ptr)); | |
2510 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); | |
2511 | } | |
2512 | ||
0f2d19dd JB |
2513 | void |
2514 | scm_init_unif () | |
0f2d19dd | 2515 | { |
23a62151 MD |
2516 | scm_tc16_array = scm_make_smob_type_mfpe ("array", 0, |
2517 | markra, | |
2518 | freera, | |
2519 | scm_raprin1, | |
2520 | scm_array_equal_p); | |
0f2d19dd | 2521 | scm_add_feature ("array"); |
23a62151 | 2522 | #include "unif.x" |
0f2d19dd | 2523 | } |