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7dc6e754 | 1 | /* Copyright (C) 1995,1996,1997,1998 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 | ||
0f2d19dd JB |
45 | \f |
46 | ||
47 | #include <stdio.h> | |
48 | #include "_scm.h" | |
20e6290e JB |
49 | #include "chars.h" |
50 | #include "eval.h" | |
ee149d03 | 51 | #include "fports.h" |
20e6290e | 52 | #include "smob.h" |
20e6290e JB |
53 | #include "strop.h" |
54 | #include "feature.h" | |
55 | ||
1bbd0b84 | 56 | #include "scm_validate.h" |
20e6290e | 57 | #include "unif.h" |
95b88819 | 58 | #include "ramap.h" |
0f2d19dd | 59 | |
3d8d56df GH |
60 | #ifdef HAVE_UNISTD_H |
61 | #include <unistd.h> | |
62 | #endif | |
63 | ||
0f2d19dd JB |
64 | \f |
65 | /* The set of uniform scm_vector types is: | |
66 | * Vector of: Called: | |
67 | * unsigned char string | |
68 | * char byvect | |
69 | * boolean bvect | |
a515d287 MD |
70 | * signed long ivect |
71 | * unsigned long uvect | |
0f2d19dd JB |
72 | * float fvect |
73 | * double dvect | |
74 | * complex double cvect | |
75 | * short svect | |
5c11cc9d | 76 | * long long llvect |
0f2d19dd JB |
77 | */ |
78 | ||
79 | long scm_tc16_array; | |
80 | ||
afe5177e GH |
81 | /* return the size of an element in a uniform array or 0 if type not |
82 | found. */ | |
83 | scm_sizet | |
84 | scm_uniform_element_size (SCM obj) | |
0f2d19dd | 85 | { |
afe5177e | 86 | scm_sizet result; |
0f2d19dd | 87 | |
afe5177e | 88 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 89 | { |
0f2d19dd | 90 | case scm_tc7_bvect: |
0f2d19dd JB |
91 | case scm_tc7_uvect: |
92 | case scm_tc7_ivect: | |
afe5177e | 93 | result = sizeof (long); |
0f2d19dd | 94 | break; |
afe5177e | 95 | |
0f2d19dd | 96 | case scm_tc7_byvect: |
afe5177e | 97 | result = sizeof (char); |
0f2d19dd JB |
98 | break; |
99 | ||
100 | case scm_tc7_svect: | |
afe5177e | 101 | result = sizeof (short); |
0f2d19dd | 102 | break; |
afe5177e | 103 | |
5c11cc9d | 104 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 105 | case scm_tc7_llvect: |
afe5177e | 106 | result = sizeof (long_long); |
0f2d19dd JB |
107 | break; |
108 | #endif | |
109 | ||
110 | #ifdef SCM_FLOATS | |
111 | #ifdef SCM_SINGLES | |
112 | case scm_tc7_fvect: | |
afe5177e | 113 | result = sizeof (float); |
0f2d19dd JB |
114 | break; |
115 | #endif | |
afe5177e | 116 | |
0f2d19dd | 117 | case scm_tc7_dvect: |
afe5177e | 118 | result = sizeof (double); |
0f2d19dd | 119 | break; |
afe5177e | 120 | |
0f2d19dd | 121 | case scm_tc7_cvect: |
afe5177e | 122 | result = 2 * sizeof (double); |
0f2d19dd JB |
123 | break; |
124 | #endif | |
afe5177e GH |
125 | |
126 | default: | |
127 | result = 0; | |
0f2d19dd | 128 | } |
afe5177e | 129 | return result; |
0f2d19dd JB |
130 | } |
131 | ||
132 | ||
0f2d19dd JB |
133 | #ifdef SCM_FLOATS |
134 | #ifdef SCM_SINGLES | |
135 | ||
1cc91f1b | 136 | |
0f2d19dd | 137 | SCM |
805df3e8 | 138 | scm_makflo (float x) |
0f2d19dd JB |
139 | { |
140 | SCM z; | |
141 | if (x == 0.0) | |
142 | return scm_flo0; | |
143 | SCM_NEWCELL (z); | |
144 | SCM_DEFER_INTS; | |
898a256f | 145 | SCM_SETCAR (z, scm_tc_flo); |
0f2d19dd JB |
146 | SCM_FLO (z) = x; |
147 | SCM_ALLOW_INTS; | |
148 | return z; | |
149 | } | |
150 | #endif | |
151 | #endif | |
152 | ||
1cc91f1b | 153 | |
0f2d19dd | 154 | SCM |
1bbd0b84 | 155 | scm_make_uve (long k, SCM prot) |
0f2d19dd JB |
156 | { |
157 | SCM v; | |
158 | long i, type; | |
159 | if (SCM_BOOL_T == prot) | |
160 | { | |
161 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); | |
162 | type = scm_tc7_bvect; | |
163 | } | |
164 | else if (SCM_ICHRP (prot) && (prot == SCM_MAKICHR ('\0'))) | |
165 | { | |
166 | i = sizeof (char) * k; | |
167 | type = scm_tc7_byvect; | |
168 | } | |
169 | else if (SCM_ICHRP (prot)) | |
170 | { | |
171 | i = sizeof (char) * k; | |
172 | type = scm_tc7_string; | |
173 | } | |
174 | else if (SCM_INUMP (prot)) | |
175 | { | |
176 | i = sizeof (long) * k; | |
177 | if (SCM_INUM (prot) > 0) | |
178 | type = scm_tc7_uvect; | |
179 | else | |
180 | type = scm_tc7_ivect; | |
181 | } | |
0c95b57d | 182 | else if (SCM_SYMBOLP (prot) && (1 == SCM_LENGTH (prot))) |
0f2d19dd JB |
183 | { |
184 | char s; | |
185 | ||
186 | s = SCM_CHARS (prot)[0]; | |
187 | if (s == 's') | |
188 | { | |
189 | i = sizeof (short) * k; | |
190 | type = scm_tc7_svect; | |
191 | } | |
5c11cc9d | 192 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
193 | else if (s == 'l') |
194 | { | |
195 | i = sizeof (long_long) * k; | |
196 | type = scm_tc7_llvect; | |
197 | } | |
198 | #endif | |
199 | else | |
200 | { | |
a8741caa | 201 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); |
0f2d19dd JB |
202 | } |
203 | } | |
204 | else | |
205 | #ifdef SCM_FLOATS | |
206 | if (SCM_IMP (prot) || !SCM_INEXP (prot)) | |
207 | #endif | |
208 | /* Huge non-unif vectors are NOT supported. */ | |
5c11cc9d GH |
209 | /* no special scm_vector */ |
210 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); | |
0f2d19dd JB |
211 | #ifdef SCM_FLOATS |
212 | #ifdef SCM_SINGLES | |
213 | else if (SCM_SINGP (prot)) | |
214 | ||
215 | { | |
216 | i = sizeof (float) * k; | |
217 | type = scm_tc7_fvect; | |
218 | } | |
219 | #endif | |
220 | else if (SCM_CPLXP (prot)) | |
221 | { | |
222 | i = 2 * sizeof (double) * k; | |
223 | type = scm_tc7_cvect; | |
224 | } | |
225 | else | |
226 | { | |
227 | i = sizeof (double) * k; | |
228 | type = scm_tc7_dvect; | |
229 | } | |
230 | #endif | |
231 | ||
232 | SCM_NEWCELL (v); | |
233 | SCM_DEFER_INTS; | |
5c11cc9d | 234 | SCM_SETCHARS (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
0f2d19dd JB |
235 | SCM_SETLENGTH (v, (k < SCM_LENGTH_MAX ? k : SCM_LENGTH_MAX), type); |
236 | SCM_ALLOW_INTS; | |
237 | return v; | |
238 | } | |
239 | ||
1bbd0b84 GB |
240 | GUILE_PROC(scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
241 | (SCM v), | |
4079f87e | 242 | "Returns the number of elements in @var{uve}.") |
1bbd0b84 | 243 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
244 | { |
245 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
246 | switch SCM_TYP7 | |
247 | (v) | |
248 | { | |
249 | default: | |
1bbd0b84 | 250 | badarg1:SCM_WTA(1,v); |
0f2d19dd JB |
251 | case scm_tc7_bvect: |
252 | case scm_tc7_string: | |
253 | case scm_tc7_byvect: | |
254 | case scm_tc7_uvect: | |
255 | case scm_tc7_ivect: | |
256 | case scm_tc7_fvect: | |
257 | case scm_tc7_dvect: | |
258 | case scm_tc7_cvect: | |
259 | case scm_tc7_vector: | |
95f5b0f5 | 260 | case scm_tc7_wvect: |
0f2d19dd | 261 | case scm_tc7_svect: |
5c11cc9d | 262 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
263 | case scm_tc7_llvect: |
264 | #endif | |
265 | return SCM_MAKINUM (SCM_LENGTH (v)); | |
266 | } | |
267 | } | |
1bbd0b84 | 268 | #undef FUNC_NAME |
0f2d19dd | 269 | |
1bbd0b84 GB |
270 | GUILE_PROC(scm_array_p, "array?", 1, 1, 0, |
271 | (SCM v, SCM prot), | |
4079f87e GB |
272 | "Returns @code{#t} if the @var{obj} is an array, and @code{#f} if not. |
273 | ||
274 | The @var{prototype} argument is used with uniform arrays and is described | |
275 | elsewhere.") | |
1bbd0b84 | 276 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
277 | { |
278 | int nprot; | |
279 | int enclosed; | |
280 | nprot = SCM_UNBNDP (prot); | |
281 | enclosed = 0; | |
282 | if (SCM_IMP (v)) | |
283 | return SCM_BOOL_F; | |
284 | loop: | |
285 | switch (SCM_TYP7 (v)) | |
286 | { | |
287 | case scm_tc7_smob: | |
288 | if (!SCM_ARRAYP (v)) | |
289 | return SCM_BOOL_F; | |
290 | if (nprot) | |
291 | return SCM_BOOL_T; | |
292 | if (enclosed++) | |
293 | return SCM_BOOL_F; | |
294 | v = SCM_ARRAY_V (v); | |
295 | goto loop; | |
296 | case scm_tc7_bvect: | |
1bbd0b84 | 297 | return nprot || SCM_BOOL(SCM_BOOL_T==prot); |
0f2d19dd | 298 | case scm_tc7_string: |
1bbd0b84 | 299 | return nprot || SCM_BOOL(SCM_ICHRP(prot) && (prot != SCM_MAKICHR('\0'))); |
0f2d19dd | 300 | case scm_tc7_byvect: |
1bbd0b84 | 301 | return nprot || SCM_BOOL(prot == SCM_MAKICHR('\0')); |
0f2d19dd | 302 | case scm_tc7_uvect: |
1bbd0b84 | 303 | return nprot || SCM_BOOL(SCM_INUMP(prot) && SCM_INUM(prot)>0); |
0f2d19dd | 304 | case scm_tc7_ivect: |
1bbd0b84 | 305 | return nprot || SCM_BOOL(SCM_INUMP(prot) && SCM_INUM(prot)<=0); |
0f2d19dd JB |
306 | case scm_tc7_svect: |
307 | return ( nprot | |
308 | || (SCM_NIMP (prot) | |
309 | && SCM_SYMBOLP (prot) | |
310 | && (1 == SCM_LENGTH (prot)) | |
311 | && ('s' == SCM_CHARS (prot)[0]))); | |
5c11cc9d | 312 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
313 | case scm_tc7_llvect: |
314 | return ( nprot | |
315 | || (SCM_NIMP (prot) | |
316 | && SCM_SYMBOLP (prot) | |
317 | && (1 == SCM_LENGTH (prot)) | |
318 | && ('s' == SCM_CHARS (prot)[0]))); | |
319 | #endif | |
320 | # ifdef SCM_FLOATS | |
321 | # ifdef SCM_SINGLES | |
322 | case scm_tc7_fvect: | |
0c95b57d | 323 | return nprot || SCM_BOOL(SCM_SINGP(prot)); |
0f2d19dd JB |
324 | # endif |
325 | case scm_tc7_dvect: | |
0c95b57d | 326 | return nprot || SCM_BOOL(SCM_REALP(prot)); |
0f2d19dd | 327 | case scm_tc7_cvect: |
0c95b57d | 328 | return nprot || SCM_BOOL(SCM_CPLXP(prot)); |
0f2d19dd JB |
329 | # endif |
330 | case scm_tc7_vector: | |
95f5b0f5 | 331 | case scm_tc7_wvect: |
1bbd0b84 | 332 | return nprot || SCM_BOOL(SCM_NULLP(prot)); |
0f2d19dd JB |
333 | default:; |
334 | } | |
335 | return SCM_BOOL_F; | |
336 | } | |
1bbd0b84 | 337 | #undef FUNC_NAME |
0f2d19dd JB |
338 | |
339 | ||
1bbd0b84 GB |
340 | GUILE_PROC(scm_array_rank, "array-rank", 1, 0, 0, |
341 | (SCM ra), | |
4079f87e GB |
342 | "Returns the number of dimensions of @var{obj}. If @var{obj} is not an |
343 | array, @code{0} is returned.") | |
1bbd0b84 | 344 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
345 | { |
346 | if (SCM_IMP (ra)) | |
1bbd0b84 | 347 | return SCM_INUM0; |
0f2d19dd JB |
348 | switch (SCM_TYP7 (ra)) |
349 | { | |
350 | default: | |
351 | return SCM_INUM0; | |
352 | case scm_tc7_string: | |
353 | case scm_tc7_vector: | |
95f5b0f5 | 354 | case scm_tc7_wvect: |
0f2d19dd JB |
355 | case scm_tc7_byvect: |
356 | case scm_tc7_uvect: | |
357 | case scm_tc7_ivect: | |
358 | case scm_tc7_fvect: | |
359 | case scm_tc7_cvect: | |
360 | case scm_tc7_dvect: | |
5c11cc9d | 361 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
362 | case scm_tc7_llvect: |
363 | #endif | |
364 | case scm_tc7_svect: | |
365 | return SCM_MAKINUM (1L); | |
366 | case scm_tc7_smob: | |
367 | if (SCM_ARRAYP (ra)) | |
368 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
369 | return SCM_INUM0; | |
370 | } | |
371 | } | |
1bbd0b84 | 372 | #undef FUNC_NAME |
0f2d19dd JB |
373 | |
374 | ||
1bbd0b84 GB |
375 | GUILE_PROC(scm_array_dimensions, "array-dimensions", 1, 0, 0, |
376 | (SCM ra), | |
4079f87e GB |
377 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces |
378 | elements with a @code{0} minimum with one greater than the maximum. So: | |
379 | @example | |
380 | (array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5) | |
381 | @end example") | |
1bbd0b84 | 382 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
383 | { |
384 | SCM res = SCM_EOL; | |
385 | scm_sizet k; | |
386 | scm_array_dim *s; | |
387 | if (SCM_IMP (ra)) | |
1bbd0b84 | 388 | return SCM_BOOL_F; |
0f2d19dd JB |
389 | switch (SCM_TYP7 (ra)) |
390 | { | |
391 | default: | |
392 | return SCM_BOOL_F; | |
393 | case scm_tc7_string: | |
394 | case scm_tc7_vector: | |
95f5b0f5 | 395 | case scm_tc7_wvect: |
0f2d19dd JB |
396 | case scm_tc7_bvect: |
397 | case scm_tc7_byvect: | |
398 | case scm_tc7_uvect: | |
399 | case scm_tc7_ivect: | |
400 | case scm_tc7_fvect: | |
401 | case scm_tc7_cvect: | |
402 | case scm_tc7_dvect: | |
403 | case scm_tc7_svect: | |
5c11cc9d | 404 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
405 | case scm_tc7_llvect: |
406 | #endif | |
407 | return scm_cons (SCM_MAKINUM (SCM_LENGTH (ra)), SCM_EOL); | |
408 | case scm_tc7_smob: | |
409 | if (!SCM_ARRAYP (ra)) | |
410 | return SCM_BOOL_F; | |
411 | k = SCM_ARRAY_NDIM (ra); | |
412 | s = SCM_ARRAY_DIMS (ra); | |
413 | while (k--) | |
414 | res = scm_cons (s[k].lbnd ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), SCM_MAKINUM (s[k].ubnd), SCM_EOL) : | |
415 | SCM_MAKINUM (1 + (s[k].ubnd)) | |
416 | , res); | |
417 | return res; | |
418 | } | |
419 | } | |
1bbd0b84 | 420 | #undef FUNC_NAME |
0f2d19dd JB |
421 | |
422 | ||
423 | static char s_bad_ind[] = "Bad scm_array index"; | |
424 | ||
1cc91f1b | 425 | |
0f2d19dd | 426 | long |
1bbd0b84 | 427 | scm_aind (SCM ra, SCM args, const char *what) |
0f2d19dd JB |
428 | { |
429 | SCM ind; | |
430 | register long j; | |
431 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
432 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
433 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
434 | if (SCM_INUMP (args)) | |
0f2d19dd | 435 | { |
f5bf2977 | 436 | SCM_ASSERT (1 == k, scm_makfrom0str (what), SCM_WNA, NULL); |
0f2d19dd JB |
437 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
438 | } | |
439 | while (k && SCM_NIMP (args)) | |
440 | { | |
441 | ind = SCM_CAR (args); | |
442 | args = SCM_CDR (args); | |
443 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, what); | |
444 | j = SCM_INUM (ind); | |
445 | SCM_ASSERT (j >= (s->lbnd) && j <= (s->ubnd), ind, SCM_OUTOFRANGE, what); | |
446 | pos += (j - s->lbnd) * (s->inc); | |
447 | k--; | |
448 | s++; | |
449 | } | |
f5bf2977 GH |
450 | SCM_ASSERT (0 == k && SCM_NULLP (args), scm_makfrom0str (what), SCM_WNA, |
451 | NULL); | |
0f2d19dd JB |
452 | return pos; |
453 | } | |
454 | ||
455 | ||
1cc91f1b | 456 | |
0f2d19dd | 457 | SCM |
1bbd0b84 | 458 | scm_make_ra (int ndim) |
0f2d19dd JB |
459 | { |
460 | SCM ra; | |
461 | SCM_NEWCELL (ra); | |
462 | SCM_DEFER_INTS; | |
23a62151 MD |
463 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
464 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 465 | "array")); |
0f2d19dd JB |
466 | SCM_ARRAY_V (ra) = scm_nullvect; |
467 | SCM_ALLOW_INTS; | |
468 | return ra; | |
469 | } | |
470 | ||
471 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
472 | /* Increments will still need to be set. */ | |
473 | ||
1cc91f1b | 474 | |
0f2d19dd | 475 | SCM |
1bbd0b84 | 476 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
477 | { |
478 | scm_array_dim *s; | |
479 | SCM ra, spec, sp; | |
480 | int ndim = scm_ilength (args); | |
481 | SCM_ASSERT (0 <= ndim, args, s_bad_spec, what); | |
482 | ra = scm_make_ra (ndim); | |
483 | SCM_ARRAY_BASE (ra) = 0; | |
484 | s = SCM_ARRAY_DIMS (ra); | |
485 | for (; SCM_NIMP (args); s++, args = SCM_CDR (args)) | |
486 | { | |
487 | spec = SCM_CAR (args); | |
488 | if (SCM_IMP (spec)) | |
489 | ||
490 | { | |
20a54673 GH |
491 | SCM_ASSERT (SCM_INUMP (spec) && SCM_INUM (spec) >= 0, spec, |
492 | s_bad_spec, what); | |
0f2d19dd JB |
493 | s->lbnd = 0; |
494 | s->ubnd = SCM_INUM (spec) - 1; | |
495 | s->inc = 1; | |
496 | } | |
497 | else | |
498 | { | |
20a54673 GH |
499 | SCM_ASSERT (SCM_CONSP (spec) && SCM_INUMP (SCM_CAR (spec)), spec, |
500 | s_bad_spec, what); | |
0f2d19dd JB |
501 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
502 | sp = SCM_CDR (spec); | |
0c95b57d | 503 | SCM_ASSERT (SCM_CONSP (sp) |
20a54673 GH |
504 | && SCM_INUMP (SCM_CAR (sp)) && SCM_NULLP (SCM_CDR (sp)), |
505 | spec, s_bad_spec, what); | |
0f2d19dd JB |
506 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
507 | s->inc = 1; | |
508 | } | |
509 | } | |
510 | return ra; | |
511 | } | |
512 | ||
1bbd0b84 GB |
513 | GUILE_PROC(scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
514 | (SCM dims, SCM prot, SCM fill), | |
4079f87e GB |
515 | "@deffnx primitive make-uniform-vector length prototype [fill] |
516 | Creates and returns a uniform array or vector of type corresponding to | |
517 | @var{prototype} with dimensions @var{dims} or length @var{length}. If | |
518 | @var{fill} is supplied, it's used to fill the array, otherwise | |
519 | @var{prototype} is used.") | |
1bbd0b84 | 520 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd JB |
521 | { |
522 | scm_sizet k, vlen = 1; | |
523 | long rlen = 1; | |
524 | scm_array_dim *s; | |
525 | SCM ra; | |
526 | if (SCM_INUMP (dims)) | |
cda139a7 | 527 | { |
0f2d19dd JB |
528 | if (SCM_INUM (dims) < SCM_LENGTH_MAX) |
529 | { | |
5c11cc9d GH |
530 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
531 | ||
532 | if (!SCM_UNBNDP (fill)) | |
533 | scm_array_fill_x (answer, fill); | |
0c95b57d | 534 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
535 | scm_array_fill_x (answer, SCM_MAKINUM (0)); |
536 | else | |
537 | scm_array_fill_x (answer, prot); | |
538 | return answer; | |
539 | } | |
540 | else | |
541 | dims = scm_cons (dims, SCM_EOL); | |
cda139a7 | 542 | } |
0c95b57d GB |
543 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
544 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 545 | ra = scm_shap2ra (dims, FUNC_NAME); |
898a256f | 546 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
547 | s = SCM_ARRAY_DIMS (ra); |
548 | k = SCM_ARRAY_NDIM (ra); | |
549 | while (k--) | |
550 | { | |
551 | s[k].inc = (rlen > 0 ? rlen : 0); | |
552 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; | |
553 | vlen *= (s[k].ubnd - s[k].lbnd + 1); | |
554 | } | |
555 | if (rlen < SCM_LENGTH_MAX) | |
556 | SCM_ARRAY_V (ra) = scm_make_uve ((rlen > 0 ? rlen : 0L), prot); | |
557 | else | |
558 | { | |
559 | scm_sizet bit; | |
560 | switch (SCM_TYP7 (scm_make_uve (0L, prot))) | |
561 | { | |
562 | default: | |
563 | bit = SCM_LONG_BIT; | |
564 | break; | |
565 | case scm_tc7_bvect: | |
566 | bit = 1; | |
567 | break; | |
568 | case scm_tc7_string: | |
569 | bit = SCM_CHAR_BIT; | |
570 | break; | |
571 | case scm_tc7_fvect: | |
572 | bit = sizeof (float) * SCM_CHAR_BIT / sizeof (char); | |
573 | break; | |
574 | case scm_tc7_dvect: | |
575 | bit = sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
576 | break; | |
577 | case scm_tc7_cvect: | |
578 | bit = 2 * sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
579 | break; | |
580 | } | |
581 | SCM_ARRAY_BASE (ra) = (SCM_LONG_BIT + bit - 1) / bit; | |
582 | rlen += SCM_ARRAY_BASE (ra); | |
583 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); | |
584 | *((long *) SCM_VELTS (SCM_ARRAY_V (ra))) = rlen; | |
585 | } | |
5c11cc9d | 586 | if (!SCM_UNBNDP (fill)) |
0f2d19dd | 587 | { |
5c11cc9d | 588 | scm_array_fill_x (ra, fill); |
0f2d19dd | 589 | } |
0c95b57d | 590 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
591 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
592 | else | |
593 | scm_array_fill_x (ra, prot); | |
594 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) | |
595 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
596 | return SCM_ARRAY_V (ra); | |
597 | return ra; | |
598 | } | |
1bbd0b84 | 599 | #undef FUNC_NAME |
0f2d19dd | 600 | |
1cc91f1b | 601 | |
0f2d19dd | 602 | void |
1bbd0b84 | 603 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
604 | { |
605 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 606 | if (k) |
0f2d19dd | 607 | { |
fe0c6dae JB |
608 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
609 | while (k--) | |
0f2d19dd | 610 | { |
fe0c6dae JB |
611 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
612 | { | |
898a256f | 613 | SCM_SETAND_CAR (ra, ~SCM_ARRAY_CONTIGUOUS); |
fe0c6dae JB |
614 | return; |
615 | } | |
616 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
617 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 618 | } |
0f2d19dd | 619 | } |
898a256f | 620 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
621 | } |
622 | ||
623 | ||
1bbd0b84 GB |
624 | GUILE_PROC(scm_make_shared_array, "make-shared-array", 2, 0, 1, |
625 | (SCM oldra, SCM mapfunc, SCM dims), | |
4079f87e GB |
626 | "@code{make-shared-array} can be used to create shared subarrays of other |
627 | arrays. The @var{mapper} is a function that translates coordinates in | |
628 | the new array into coordinates in the old array. A @var{mapper} must be | |
629 | linear, and its range must stay within the bounds of the old array, but | |
630 | it can be otherwise arbitrary. A simple example: | |
631 | @example | |
632 | (define fred (make-array #f 8 8)) | |
633 | (define freds-diagonal | |
634 | (make-shared-array fred (lambda (i) (list i i)) 8)) | |
635 | (array-set! freds-diagonal 'foo 3) | |
636 | (array-ref fred 3 3) @result{} foo | |
637 | (define freds-center | |
638 | (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2)) | |
639 | (array-ref freds-center 0 0) @result{} foo | |
640 | @end example") | |
1bbd0b84 | 641 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
642 | { |
643 | SCM ra; | |
644 | SCM inds, indptr; | |
645 | SCM imap; | |
646 | scm_sizet i, k; | |
647 | long old_min, new_min, old_max, new_max; | |
648 | scm_array_dim *s; | |
1bbd0b84 GB |
649 | SCM_VALIDATE_ARRAY(1,oldra); |
650 | SCM_VALIDATE_PROC(2,mapfunc); | |
651 | ra = scm_shap2ra (dims, FUNC_NAME); | |
0f2d19dd JB |
652 | if (SCM_ARRAYP (oldra)) |
653 | { | |
654 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
655 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
656 | s = SCM_ARRAY_DIMS (oldra); | |
657 | k = SCM_ARRAY_NDIM (oldra); | |
658 | while (k--) | |
659 | { | |
660 | if (s[k].inc > 0) | |
661 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
662 | else | |
663 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
664 | } | |
665 | } | |
666 | else | |
667 | { | |
668 | SCM_ARRAY_V (ra) = oldra; | |
669 | old_min = 0; | |
670 | old_max = (long) SCM_LENGTH (oldra) - 1; | |
671 | } | |
672 | inds = SCM_EOL; | |
673 | s = SCM_ARRAY_DIMS (ra); | |
674 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
675 | { | |
676 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
677 | if (s[k].ubnd < s[k].lbnd) | |
678 | { | |
679 | if (1 == SCM_ARRAY_NDIM (ra)) | |
680 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
681 | else | |
682 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
683 | return ra; | |
684 | } | |
685 | } | |
92396c0a | 686 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 687 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 688 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
689 | else |
690 | { | |
691 | if (SCM_NINUMP (imap)) | |
692 | ||
693 | { | |
694 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 695 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
696 | imap = SCM_CAR (imap); |
697 | } | |
698 | i = SCM_INUM (imap); | |
699 | } | |
700 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
701 | indptr = inds; | |
702 | k = SCM_ARRAY_NDIM (ra); | |
703 | while (k--) | |
704 | { | |
705 | if (s[k].ubnd > s[k].lbnd) | |
706 | { | |
898a256f | 707 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
708 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
709 | if (SCM_ARRAYP (oldra)) | |
710 | ||
1bbd0b84 | 711 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
712 | else |
713 | { | |
714 | if (SCM_NINUMP (imap)) | |
715 | ||
716 | { | |
717 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 718 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
719 | imap = SCM_CAR (imap); |
720 | } | |
721 | s[k].inc = (long) SCM_INUM (imap) - i; | |
722 | } | |
723 | i += s[k].inc; | |
724 | if (s[k].inc > 0) | |
725 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
726 | else | |
727 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
728 | } | |
729 | else | |
730 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
731 | indptr = SCM_CDR (indptr); | |
732 | } | |
733 | SCM_ASSERT (old_min <= new_min && old_max >= new_max, SCM_UNDEFINED, | |
1bbd0b84 | 734 | "mapping out of range", FUNC_NAME); |
0f2d19dd JB |
735 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
736 | { | |
737 | if (1 == s->inc && 0 == s->lbnd | |
738 | && SCM_LENGTH (SCM_ARRAY_V (ra)) == 1 + s->ubnd) | |
739 | return SCM_ARRAY_V (ra); | |
740 | if (s->ubnd < s->lbnd) | |
741 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
742 | } | |
743 | scm_ra_set_contp (ra); | |
744 | return ra; | |
745 | } | |
1bbd0b84 | 746 | #undef FUNC_NAME |
0f2d19dd JB |
747 | |
748 | ||
749 | /* args are RA . DIMS */ | |
1bbd0b84 GB |
750 | GUILE_PROC(scm_transpose_array, "transpose-array", 0, 0, 1, |
751 | (SCM args), | |
4079f87e GB |
752 | "Returns an array sharing contents with @var{array}, but with dimensions |
753 | arranged in a different order. There must be one @var{dim} argument for | |
754 | each dimension of @var{array}. @var{dim0}, @var{dim1}, @dots{} should | |
755 | be integers between 0 and the rank of the array to be returned. Each | |
756 | integer in that range must appear at least once in the argument list. | |
757 | ||
758 | The values of @var{dim0}, @var{dim1}, @dots{} correspond to dimensions | |
759 | in the array to be returned, their positions in the argument list to | |
760 | dimensions of @var{array}. Several @var{dim}s may have the same value, | |
761 | in which case the returned array will have smaller rank than | |
762 | @var{array}. | |
763 | ||
764 | examples: | |
765 | @example | |
766 | (transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d)) | |
767 | (transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d) | |
768 | (transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{} | |
769 | #2((a 4) (b 5) (c 6)) | |
770 | @end example") | |
1bbd0b84 | 771 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd JB |
772 | { |
773 | SCM ra, res, vargs, *ve = &vargs; | |
774 | scm_array_dim *s, *r; | |
775 | int ndim, i, k; | |
1bbd0b84 | 776 | SCM_ASSERT (SCM_NNULLP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 777 | SCM_WNA, NULL); |
0f2d19dd | 778 | ra = SCM_CAR (args); |
1bbd0b84 | 779 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 780 | args = SCM_CDR (args); |
f5bf2977 | 781 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
782 | { |
783 | default: | |
1bbd0b84 | 784 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
785 | case scm_tc7_bvect: |
786 | case scm_tc7_string: | |
787 | case scm_tc7_byvect: | |
788 | case scm_tc7_uvect: | |
789 | case scm_tc7_ivect: | |
790 | case scm_tc7_fvect: | |
791 | case scm_tc7_dvect: | |
792 | case scm_tc7_cvect: | |
793 | case scm_tc7_svect: | |
5c11cc9d | 794 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
795 | case scm_tc7_llvect: |
796 | #endif | |
f5bf2977 | 797 | SCM_ASSERT (SCM_NIMP (args) && SCM_NULLP (SCM_CDR (args)), |
1bbd0b84 | 798 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 799 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), SCM_CAR (args), SCM_ARG2, |
1bbd0b84 | 800 | FUNC_NAME); |
f5bf2977 | 801 | SCM_ASSERT (SCM_INUM0 == SCM_CAR (args), SCM_CAR (args), SCM_OUTOFRANGE, |
1bbd0b84 | 802 | FUNC_NAME); |
0f2d19dd JB |
803 | return ra; |
804 | case scm_tc7_smob: | |
805 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
806 | vargs = scm_vector (args); | |
f5bf2977 | 807 | SCM_ASSERT (SCM_LENGTH (vargs) == SCM_ARRAY_NDIM (ra), |
1bbd0b84 | 808 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 809 | ve = SCM_VELTS (vargs); |
0f2d19dd JB |
810 | ndim = 0; |
811 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
812 | { | |
20a54673 | 813 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 814 | FUNC_NAME); |
0f2d19dd | 815 | i = SCM_INUM (ve[k]); |
20a54673 | 816 | SCM_ASSERT (i >= 0 && i < SCM_ARRAY_NDIM (ra), ve[k], |
1bbd0b84 | 817 | SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
818 | if (ndim < i) |
819 | ndim = i; | |
820 | } | |
821 | ndim++; | |
822 | res = scm_make_ra (ndim); | |
823 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
824 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
825 | for (k = ndim; k--;) | |
826 | { | |
827 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
828 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
829 | } | |
830 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
831 | { | |
832 | i = SCM_INUM (ve[k]); | |
833 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
834 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
835 | if (r->ubnd < r->lbnd) | |
836 | { | |
837 | r->lbnd = s->lbnd; | |
838 | r->ubnd = s->ubnd; | |
839 | r->inc = s->inc; | |
840 | ndim--; | |
841 | } | |
842 | else | |
843 | { | |
844 | if (r->ubnd > s->ubnd) | |
845 | r->ubnd = s->ubnd; | |
846 | if (r->lbnd < s->lbnd) | |
847 | { | |
848 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
849 | r->lbnd = s->lbnd; | |
850 | } | |
851 | r->inc += s->inc; | |
852 | } | |
853 | } | |
1bbd0b84 | 854 | SCM_ASSERT (ndim <= 0, args, "bad argument list", FUNC_NAME); |
0f2d19dd JB |
855 | scm_ra_set_contp (res); |
856 | return res; | |
857 | } | |
858 | } | |
1bbd0b84 | 859 | #undef FUNC_NAME |
0f2d19dd JB |
860 | |
861 | /* args are RA . AXES */ | |
1bbd0b84 GB |
862 | GUILE_PROC(scm_enclose_array, "enclose-array", 0, 0, 1, |
863 | (SCM axes), | |
4079f87e GB |
864 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than |
865 | the rank of @var{array}. @var{enclose-array} returns an array | |
866 | resembling an array of shared arrays. The dimensions of each shared | |
867 | array are the same as the @var{dim}th dimensions of the original array, | |
868 | the dimensions of the outer array are the same as those of the original | |
869 | array that did not match a @var{dim}. | |
870 | ||
871 | An enclosed array is not a general Scheme array. Its elements may not | |
872 | be set using @code{array-set!}. Two references to the same element of | |
873 | an enclosed array will be @code{equal?} but will not in general be | |
874 | @code{eq?}. The value returned by @var{array-prototype} when given an | |
875 | enclosed array is unspecified. | |
876 | ||
877 | examples: | |
878 | @example | |
879 | (enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{} | |
880 | #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))> | |
881 | ||
882 | (enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{} | |
883 | #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))> | |
884 | @end example") | |
1bbd0b84 | 885 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd JB |
886 | { |
887 | SCM axv, ra, res, ra_inr; | |
888 | scm_array_dim vdim, *s = &vdim; | |
889 | int ndim, j, k, ninr, noutr; | |
1bbd0b84 | 890 | SCM_ASSERT (SCM_NIMP (axes), scm_makfrom0str (FUNC_NAME), SCM_WNA, |
f5bf2977 | 891 | NULL); |
0f2d19dd JB |
892 | ra = SCM_CAR (axes); |
893 | axes = SCM_CDR (axes); | |
894 | if (SCM_NULLP (axes)) | |
0f2d19dd JB |
895 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
896 | ninr = scm_ilength (axes); | |
897 | ra_inr = scm_make_ra (ninr); | |
898 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
899 | switch SCM_TYP7 | |
900 | (ra) | |
901 | { | |
902 | default: | |
1bbd0b84 | 903 | badarg1:SCM_WTA (1,ra); |
0f2d19dd JB |
904 | case scm_tc7_string: |
905 | case scm_tc7_bvect: | |
906 | case scm_tc7_byvect: | |
907 | case scm_tc7_uvect: | |
908 | case scm_tc7_ivect: | |
909 | case scm_tc7_fvect: | |
910 | case scm_tc7_dvect: | |
911 | case scm_tc7_cvect: | |
912 | case scm_tc7_vector: | |
95f5b0f5 | 913 | case scm_tc7_wvect: |
0f2d19dd | 914 | case scm_tc7_svect: |
5c11cc9d | 915 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
916 | case scm_tc7_llvect: |
917 | #endif | |
918 | s->lbnd = 0; | |
919 | s->ubnd = SCM_LENGTH (ra) - 1; | |
920 | s->inc = 1; | |
921 | SCM_ARRAY_V (ra_inr) = ra; | |
922 | SCM_ARRAY_BASE (ra_inr) = 0; | |
923 | ndim = 1; | |
924 | break; | |
925 | case scm_tc7_smob: | |
926 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
927 | s = SCM_ARRAY_DIMS (ra); | |
928 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
929 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
930 | ndim = SCM_ARRAY_NDIM (ra); | |
931 | break; | |
932 | } | |
933 | noutr = ndim - ninr; | |
934 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKICHR (0)); | |
1bbd0b84 | 935 | SCM_ASSERT (0 <= noutr && 0 <= ninr, scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 936 | SCM_WNA, NULL); |
0f2d19dd JB |
937 | res = scm_make_ra (noutr); |
938 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
939 | SCM_ARRAY_V (res) = ra_inr; | |
940 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
941 | { | |
1bbd0b84 | 942 | SCM_ASSERT (SCM_INUMP (SCM_CAR (axes)), SCM_CAR (axes), "bad axis", FUNC_NAME); |
0f2d19dd JB |
943 | j = SCM_INUM (SCM_CAR (axes)); |
944 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
945 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
946 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
947 | SCM_CHARS (axv)[j] = 1; | |
948 | } | |
949 | for (j = 0, k = 0; k < noutr; k++, j++) | |
950 | { | |
951 | while (SCM_CHARS (axv)[j]) | |
952 | j++; | |
953 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
954 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
955 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
956 | } | |
957 | scm_ra_set_contp (ra_inr); | |
958 | scm_ra_set_contp (res); | |
959 | return res; | |
960 | } | |
1bbd0b84 | 961 | #undef FUNC_NAME |
0f2d19dd JB |
962 | |
963 | ||
964 | ||
1bbd0b84 GB |
965 | GUILE_PROC(scm_array_in_bounds_p, "array-in-bounds?", 0, 0, 1, |
966 | (SCM args), | |
4079f87e | 967 | "Returns @code{#t} if its arguments would be acceptable to array-ref.") |
1bbd0b84 | 968 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd JB |
969 | { |
970 | SCM v, ind = SCM_EOL; | |
971 | long pos = 0; | |
972 | register scm_sizet k; | |
973 | register long j; | |
974 | scm_array_dim *s; | |
1bbd0b84 | 975 | SCM_ASSERT (SCM_NIMP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 976 | SCM_WNA, NULL); |
0f2d19dd JB |
977 | v = SCM_CAR (args); |
978 | args = SCM_CDR (args); | |
979 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
980 | if (SCM_NIMP (args)) | |
981 | ||
982 | { | |
983 | ind = SCM_CAR (args); | |
984 | args = SCM_CDR (args); | |
1bbd0b84 | 985 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
986 | pos = SCM_INUM (ind); |
987 | } | |
988 | tail: | |
989 | switch SCM_TYP7 | |
990 | (v) | |
991 | { | |
992 | default: | |
1bbd0b84 GB |
993 | badarg1:SCM_WTA (1,v); |
994 | wna: scm_wrong_num_args (scm_makfrom0str (FUNC_NAME)); | |
0f2d19dd JB |
995 | case scm_tc7_smob: |
996 | k = SCM_ARRAY_NDIM (v); | |
997 | s = SCM_ARRAY_DIMS (v); | |
998 | pos = SCM_ARRAY_BASE (v); | |
999 | if (!k) | |
1000 | { | |
1001 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1002 | ind = SCM_INUM0; | |
1003 | } | |
1004 | else | |
1005 | while (!0) | |
1006 | { | |
1007 | j = SCM_INUM (ind); | |
1008 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1009 | { | |
1010 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1011 | return SCM_BOOL_F; | |
1012 | } | |
1013 | pos += (j - s->lbnd) * (s->inc); | |
1014 | if (!(--k && SCM_NIMP (args))) | |
1015 | break; | |
1016 | ind = SCM_CAR (args); | |
1017 | args = SCM_CDR (args); | |
1018 | s++; | |
1bbd0b84 | 1019 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
1020 | } |
1021 | SCM_ASRTGO (0 == k, wna); | |
1022 | v = SCM_ARRAY_V (v); | |
1023 | goto tail; | |
1024 | case scm_tc7_bvect: | |
1025 | case scm_tc7_string: | |
1026 | case scm_tc7_byvect: | |
1027 | case scm_tc7_uvect: | |
1028 | case scm_tc7_ivect: | |
1029 | case scm_tc7_fvect: | |
1030 | case scm_tc7_dvect: | |
1031 | case scm_tc7_cvect: | |
1032 | case scm_tc7_svect: | |
5c11cc9d | 1033 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1034 | case scm_tc7_llvect: |
1035 | #endif | |
1036 | case scm_tc7_vector: | |
95f5b0f5 | 1037 | case scm_tc7_wvect: |
0f2d19dd | 1038 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1bbd0b84 | 1039 | return SCM_BOOL(pos >= 0 && pos < SCM_LENGTH (v)); |
0f2d19dd JB |
1040 | } |
1041 | } | |
1bbd0b84 | 1042 | #undef FUNC_NAME |
0f2d19dd JB |
1043 | |
1044 | ||
1bbd0b84 | 1045 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1046 | |
1bbd0b84 GB |
1047 | |
1048 | GUILE_PROC(scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, | |
1049 | (SCM v, SCM args), | |
4079f87e | 1050 | "Returns the element at the @code{(index1, index2)} element in @var{array}.") |
1bbd0b84 | 1051 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1052 | { |
1053 | long pos; | |
0f2d19dd | 1054 | |
35de7ebe | 1055 | if (SCM_IMP (v)) |
0f2d19dd JB |
1056 | { |
1057 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1058 | return v; | |
1059 | } | |
1060 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1061 | { |
1bbd0b84 | 1062 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1063 | v = SCM_ARRAY_V (v); |
1064 | } | |
1065 | else | |
1066 | { | |
1067 | if (SCM_NIMP (args)) | |
1068 | ||
1069 | { | |
1bbd0b84 | 1070 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1071 | pos = SCM_INUM (SCM_CAR (args)); |
1072 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1073 | } | |
1074 | else | |
1075 | { | |
1bbd0b84 | 1076 | SCM_VALIDATE_INT(2,args); |
0f2d19dd JB |
1077 | pos = SCM_INUM (args); |
1078 | } | |
1079 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1080 | } | |
1081 | switch SCM_TYP7 | |
1082 | (v) | |
1083 | { | |
1084 | default: | |
1085 | if (SCM_NULLP (args)) | |
1086 | return v; | |
35de7ebe | 1087 | badarg: |
1bbd0b84 | 1088 | SCM_WTA (1,v); |
35de7ebe | 1089 | abort (); |
1bbd0b84 GB |
1090 | outrng:scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); |
1091 | wna: scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1092 | case scm_tc7_smob: |
1093 | { /* enclosed */ | |
1094 | int k = SCM_ARRAY_NDIM (v); | |
1095 | SCM res = scm_make_ra (k); | |
1096 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1097 | SCM_ARRAY_BASE (res) = pos; | |
1098 | while (k--) | |
1099 | { | |
1100 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1101 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1102 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1103 | } | |
1104 | return res; | |
1105 | } | |
1106 | case scm_tc7_bvect: | |
1107 | if (SCM_VELTS (v)[pos / SCM_LONG_BIT] & (1L << (pos % SCM_LONG_BIT))) | |
1108 | return SCM_BOOL_T; | |
1109 | else | |
1110 | return SCM_BOOL_F; | |
1111 | case scm_tc7_string: | |
fc1d67c4 | 1112 | return SCM_MAKICHR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1113 | case scm_tc7_byvect: |
1114 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
1115 | # ifdef SCM_INUMS_ONLY | |
1116 | case scm_tc7_uvect: | |
1117 | case scm_tc7_ivect: | |
1118 | return SCM_MAKINUM (SCM_VELTS (v)[pos]); | |
1119 | # else | |
1120 | case scm_tc7_uvect: | |
1121 | return scm_ulong2num(SCM_VELTS(v)[pos]); | |
1122 | case scm_tc7_ivect: | |
1123 | return scm_long2num(SCM_VELTS(v)[pos]); | |
1124 | # endif | |
1125 | ||
1126 | case scm_tc7_svect: | |
1127 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1128 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1129 | case scm_tc7_llvect: |
1130 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1131 | #endif | |
1132 | ||
1133 | #ifdef SCM_FLOATS | |
1134 | #ifdef SCM_SINGLES | |
1135 | case scm_tc7_fvect: | |
1136 | return scm_makflo (((float *) SCM_CDR (v))[pos]); | |
1137 | #endif | |
1138 | case scm_tc7_dvect: | |
1139 | return scm_makdbl (((double *) SCM_CDR (v))[pos], 0.0); | |
1140 | case scm_tc7_cvect: | |
1141 | return scm_makdbl (((double *) SCM_CDR (v))[2 * pos], | |
1142 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
1143 | #endif | |
1144 | case scm_tc7_vector: | |
95f5b0f5 | 1145 | case scm_tc7_wvect: |
0f2d19dd JB |
1146 | return SCM_VELTS (v)[pos]; |
1147 | } | |
1148 | } | |
1bbd0b84 | 1149 | #undef FUNC_NAME |
0f2d19dd JB |
1150 | |
1151 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1152 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1153 | |
0f2d19dd | 1154 | SCM |
6e8d25a6 | 1155 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
0f2d19dd | 1156 | { |
5c11cc9d | 1157 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1158 | { |
1159 | default: | |
1160 | scm_wta (v, (char *) SCM_ARG1, "PROGRAMMING ERROR: scm_cvref"); | |
1161 | case scm_tc7_bvect: | |
1162 | if (SCM_VELTS (v)[pos / SCM_LONG_BIT] & (1L << (pos % SCM_LONG_BIT))) | |
1163 | return SCM_BOOL_T; | |
1164 | else | |
1165 | return SCM_BOOL_F; | |
1166 | case scm_tc7_string: | |
fc1d67c4 | 1167 | return SCM_MAKICHR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1168 | case scm_tc7_byvect: |
1169 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
1170 | # ifdef SCM_INUMS_ONLY | |
1171 | case scm_tc7_uvect: | |
1172 | case scm_tc7_ivect: | |
1173 | return SCM_MAKINUM (SCM_VELTS (v)[pos]); | |
1174 | # else | |
1175 | case scm_tc7_uvect: | |
1176 | return scm_ulong2num(SCM_VELTS(v)[pos]); | |
1177 | case scm_tc7_ivect: | |
1178 | return scm_long2num(SCM_VELTS(v)[pos]); | |
1179 | # endif | |
1180 | case scm_tc7_svect: | |
1181 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1182 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1183 | case scm_tc7_llvect: |
1184 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1185 | #endif | |
1186 | #ifdef SCM_FLOATS | |
1187 | #ifdef SCM_SINGLES | |
1188 | case scm_tc7_fvect: | |
1189 | if (SCM_NIMP (last) && (last != scm_flo0) && (scm_tc_flo == SCM_CAR (last))) | |
1190 | { | |
1191 | SCM_FLO (last) = ((float *) SCM_CDR (v))[pos]; | |
1192 | return last; | |
1193 | } | |
1194 | return scm_makflo (((float *) SCM_CDR (v))[pos]); | |
1195 | #endif | |
1196 | case scm_tc7_dvect: | |
1197 | #ifdef SCM_SINGLES | |
1198 | if (SCM_NIMP (last) && scm_tc_dblr == SCM_CAR (last)) | |
1199 | #else | |
1200 | if (SCM_NIMP (last) && (last != scm_flo0) && (scm_tc_dblr == SCM_CAR (last))) | |
1201 | #endif | |
1202 | { | |
1203 | SCM_REAL (last) = ((double *) SCM_CDR (v))[pos]; | |
1204 | return last; | |
1205 | } | |
1206 | return scm_makdbl (((double *) SCM_CDR (v))[pos], 0.0); | |
1207 | case scm_tc7_cvect: | |
1208 | if (SCM_NIMP (last) && scm_tc_dblc == SCM_CAR (last)) | |
1209 | { | |
1210 | SCM_REAL (last) = ((double *) SCM_CDR (v))[2 * pos]; | |
1211 | SCM_IMAG (last) = ((double *) SCM_CDR (v))[2 * pos + 1]; | |
1212 | return last; | |
1213 | } | |
1214 | return scm_makdbl (((double *) SCM_CDR (v))[2 * pos], | |
1215 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
1216 | #endif | |
1217 | case scm_tc7_vector: | |
95f5b0f5 | 1218 | case scm_tc7_wvect: |
0f2d19dd JB |
1219 | return SCM_VELTS (v)[pos]; |
1220 | case scm_tc7_smob: | |
1221 | { /* enclosed scm_array */ | |
1222 | int k = SCM_ARRAY_NDIM (v); | |
1223 | SCM res = scm_make_ra (k); | |
1224 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1225 | SCM_ARRAY_BASE (res) = pos; | |
1226 | while (k--) | |
1227 | { | |
1228 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1229 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1230 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1231 | } | |
1232 | return res; | |
1233 | } | |
1234 | } | |
1235 | } | |
1236 | ||
1bbd0b84 GB |
1237 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1238 | ||
1cc91f1b | 1239 | |
0aa0871f GH |
1240 | /* Note that args may be a list or an immediate object, depending which |
1241 | PROC is used (and it's called from C too). */ | |
1bbd0b84 GB |
1242 | GUILE_PROC(scm_array_set_x, "array-set!", 2, 0, 1, |
1243 | (SCM v, SCM obj, SCM args), | |
4079f87e GB |
1244 | "Sets the element at the @code{(index1, index2)} element in @var{array} to |
1245 | @var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1246 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1247 | { |
f3667f52 | 1248 | long pos = 0; |
0f2d19dd JB |
1249 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1250 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1251 | { |
1bbd0b84 | 1252 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1253 | v = SCM_ARRAY_V (v); |
1254 | } | |
1255 | else | |
1256 | { | |
1257 | if (SCM_NIMP (args)) | |
0f2d19dd | 1258 | { |
0aa0871f | 1259 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1260 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1261 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1262 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1263 | } |
1264 | else | |
1265 | { | |
1bbd0b84 | 1266 | SCM_VALIDATE_INT_COPY(3,args,pos); |
0f2d19dd JB |
1267 | } |
1268 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1269 | } | |
1270 | switch (SCM_TYP7 (v)) | |
1271 | { | |
35de7ebe | 1272 | default: badarg1: |
1bbd0b84 | 1273 | SCM_WTA (1,v); |
35de7ebe | 1274 | abort (); |
1bbd0b84 GB |
1275 | outrng:scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); |
1276 | wna: scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1277 | case scm_tc7_smob: /* enclosed */ |
1278 | goto badarg1; | |
1279 | case scm_tc7_bvect: | |
1280 | if (SCM_BOOL_F == obj) | |
1281 | SCM_VELTS (v)[pos / SCM_LONG_BIT] &= ~(1L << (pos % SCM_LONG_BIT)); | |
1282 | else if (SCM_BOOL_T == obj) | |
1283 | SCM_VELTS (v)[pos / SCM_LONG_BIT] |= (1L << (pos % SCM_LONG_BIT)); | |
1284 | else | |
1bbd0b84 | 1285 | badobj:SCM_WTA (2,obj); |
0f2d19dd JB |
1286 | break; |
1287 | case scm_tc7_string: | |
0aa0871f | 1288 | SCM_ASRTGO (SCM_ICHRP (obj), badobj); |
fc1d67c4 | 1289 | SCM_UCHARS (v)[pos] = SCM_ICHR (obj); |
0f2d19dd JB |
1290 | break; |
1291 | case scm_tc7_byvect: | |
1292 | if (SCM_ICHRP (obj)) | |
b1d24656 | 1293 | obj = SCM_MAKINUM ((char) SCM_ICHR (obj)); |
0aa0871f | 1294 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1295 | ((char *)SCM_CHARS (v))[pos] = SCM_INUM (obj); |
1296 | break; | |
1297 | # ifdef SCM_INUMS_ONLY | |
1298 | case scm_tc7_uvect: | |
1bbd0b84 GB |
1299 | SCM_ASRTGO (SCM_INUM (obj) >= 0, badobj); |
1300 | /* fall through */ | |
0f2d19dd | 1301 | case scm_tc7_ivect: |
1bbd0b84 | 1302 | SCM_ASRTGO(SCM_INUMP(obj), badobj); SCM_VELTS(v)[pos] = SCM_INUM(obj); break; |
0f2d19dd | 1303 | # else |
1bbd0b84 GB |
1304 | case scm_tc7_uvect: |
1305 | SCM_VELTS(v)[pos] = scm_num2ulong(obj, (char *)SCM_ARG2, FUNC_NAME); break; | |
1306 | case scm_tc7_ivect: | |
1307 | SCM_VELTS(v)[pos] = scm_num2long(obj, (char *)SCM_ARG2, FUNC_NAME); break; | |
0f2d19dd | 1308 | # endif |
0f2d19dd | 1309 | case scm_tc7_svect: |
0aa0871f | 1310 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1311 | ((short *) SCM_CDR (v))[pos] = SCM_INUM (obj); |
1312 | break; | |
5c11cc9d | 1313 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1314 | case scm_tc7_llvect: |
1bbd0b84 | 1315 | ((long_long *) SCM_CDR (v))[pos] = scm_num2long_long (obj, (char *)SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1316 | break; |
1317 | #endif | |
1318 | ||
1319 | ||
1320 | #ifdef SCM_FLOATS | |
1321 | #ifdef SCM_SINGLES | |
1322 | case scm_tc7_fvect: | |
1bbd0b84 | 1323 | ((float *) SCM_CDR (v))[pos] = (float)scm_num2dbl(obj, FUNC_NAME); break; |
0f2d19dd JB |
1324 | break; |
1325 | #endif | |
1326 | case scm_tc7_dvect: | |
1bbd0b84 | 1327 | ((double *) SCM_CDR (v))[pos] = scm_num2dbl(obj, FUNC_NAME); break; |
0f2d19dd JB |
1328 | break; |
1329 | case scm_tc7_cvect: | |
0c95b57d | 1330 | SCM_ASRTGO (SCM_INEXP (obj), badobj); |
0f2d19dd JB |
1331 | ((double *) SCM_CDR (v))[2 * pos] = SCM_REALPART (obj); |
1332 | ((double *) SCM_CDR (v))[2 * pos + 1] = SCM_CPLXP (obj) ? SCM_IMAG (obj) : 0.0; | |
1333 | break; | |
1334 | #endif | |
1335 | case scm_tc7_vector: | |
95f5b0f5 | 1336 | case scm_tc7_wvect: |
0f2d19dd JB |
1337 | SCM_VELTS (v)[pos] = obj; |
1338 | break; | |
1339 | } | |
1340 | return SCM_UNSPECIFIED; | |
1341 | } | |
1bbd0b84 | 1342 | #undef FUNC_NAME |
0f2d19dd | 1343 | |
1d7bdb25 GH |
1344 | /* attempts to unroll an array into a one-dimensional array. |
1345 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1346 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1347 | wouldn't have contiguous elements. */ |
1bbd0b84 GB |
1348 | GUILE_PROC(scm_array_contents, "array-contents", 1, 1, 0, |
1349 | (SCM ra, SCM strict), | |
4079f87e GB |
1350 | "@deffnx primitive array-contents array strict |
1351 | If @var{array} may be @dfn{unrolled} into a one dimensional shared array | |
1352 | without changing their order (last subscript changing fastest), then | |
1353 | @code{array-contents} returns that shared array, otherwise it returns | |
1354 | @code{#f}. All arrays made by @var{make-array} and | |
1355 | @var{make-uniform-array} may be unrolled, some arrays made by | |
1356 | @var{make-shared-array} may not be. | |
1357 | ||
1358 | If the optional argument @var{strict} is provided, a shared array will | |
1359 | be returned only if its elements are stored internally contiguous in | |
1360 | memory.") | |
1bbd0b84 | 1361 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1362 | { |
1363 | SCM sra; | |
1364 | if (SCM_IMP (ra)) | |
f3667f52 | 1365 | return SCM_BOOL_F; |
5c11cc9d | 1366 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1367 | { |
1368 | default: | |
1369 | return SCM_BOOL_F; | |
1370 | case scm_tc7_vector: | |
95f5b0f5 | 1371 | case scm_tc7_wvect: |
0f2d19dd JB |
1372 | case scm_tc7_string: |
1373 | case scm_tc7_bvect: | |
1374 | case scm_tc7_byvect: | |
1375 | case scm_tc7_uvect: | |
1376 | case scm_tc7_ivect: | |
1377 | case scm_tc7_fvect: | |
1378 | case scm_tc7_dvect: | |
1379 | case scm_tc7_cvect: | |
1380 | case scm_tc7_svect: | |
5c11cc9d | 1381 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1382 | case scm_tc7_llvect: |
1383 | #endif | |
1384 | return ra; | |
1385 | case scm_tc7_smob: | |
1386 | { | |
1387 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1388 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1389 | return SCM_BOOL_F; | |
1390 | for (k = 0; k < ndim; k++) | |
1391 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1392 | if (!SCM_UNBNDP (strict)) | |
1393 | { | |
0f2d19dd JB |
1394 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1395 | return SCM_BOOL_F; | |
1396 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1397 | { | |
1398 | if (len != SCM_LENGTH (SCM_ARRAY_V (ra)) || | |
1399 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || | |
1400 | len % SCM_LONG_BIT) | |
1401 | return SCM_BOOL_F; | |
1402 | } | |
1403 | } | |
1404 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra))) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1405 | return SCM_ARRAY_V (ra); | |
1406 | sra = scm_make_ra (1); | |
1407 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1408 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1409 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1410 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1411 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1412 | return sra; | |
1413 | } | |
1414 | } | |
1415 | } | |
1bbd0b84 | 1416 | #undef FUNC_NAME |
0f2d19dd | 1417 | |
1cc91f1b | 1418 | |
0f2d19dd | 1419 | SCM |
6e8d25a6 | 1420 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1421 | { |
1422 | SCM ret; | |
1423 | long inc = 1; | |
1424 | scm_sizet k, len = 1; | |
1425 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1426 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1427 | k = SCM_ARRAY_NDIM (ra); | |
1428 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1429 | { | |
1430 | if (scm_tc7_bvect != SCM_TYP7 (ra)) | |
1431 | return ra; | |
1432 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra)) && | |
1433 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && | |
1434 | 0 == len % SCM_LONG_BIT)) | |
1435 | return ra; | |
1436 | } | |
1437 | ret = scm_make_ra (k); | |
1438 | SCM_ARRAY_BASE (ret) = 0; | |
1439 | while (k--) | |
1440 | { | |
1441 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1442 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1443 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1444 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1445 | } | |
1446 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1447 | if (copy) | |
1448 | scm_array_copy_x (ra, ret); | |
1449 | return ret; | |
1450 | } | |
1451 | ||
1452 | ||
1453 | ||
1bbd0b84 GB |
1454 | GUILE_PROC(scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1455 | (SCM ra, SCM port_or_fd, SCM start, SCM end), | |
4079f87e GB |
1456 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end] |
1457 | Attempts to read all elements of @var{ura}, in lexicographic order, as | |
1458 | binary objects from @var{port-or-fdes}. | |
1459 | If an end of file is encountered during | |
1460 | uniform-array-read! the objects up to that point only are put into @var{ura} | |
1461 | (starting at the beginning) and the remainder of the array is | |
1462 | unchanged. | |
1463 | ||
1464 | The optional arguments @var{start} and @var{end} allow | |
1465 | a specified region of a vector (or linearized array) to be read, | |
1466 | leaving the remainder of the vector unchanged. | |
1467 | ||
1468 | @code{uniform-array-read!} returns the number of objects read. | |
1469 | @var{port-or-fdes} may be omitted, in which case it defaults to the value | |
1470 | returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1471 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1472 | { |
35de7ebe | 1473 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1474 | long sz, vlen, ans; |
1146b6cd GH |
1475 | long cstart = 0; |
1476 | long cend; | |
1477 | long offset = 0; | |
35de7ebe | 1478 | |
0f2d19dd | 1479 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1480 | if (SCM_UNBNDP (port_or_fd)) |
1481 | port_or_fd = scm_cur_inp; | |
1482 | else | |
1483 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1484 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1485 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df | 1486 | vlen = SCM_LENGTH (v); |
35de7ebe | 1487 | |
0f2d19dd | 1488 | loop: |
35de7ebe | 1489 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1490 | { |
1491 | default: | |
1bbd0b84 | 1492 | badarg1:scm_wta (v, (char *) SCM_ARG1, FUNC_NAME); |
0f2d19dd JB |
1493 | case scm_tc7_smob: |
1494 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1495 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1496 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1497 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1498 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1499 | v = SCM_ARRAY_V (cra); | |
1500 | goto loop; | |
1501 | case scm_tc7_string: | |
1502 | case scm_tc7_byvect: | |
1503 | sz = sizeof (char); | |
1504 | break; | |
1505 | case scm_tc7_bvect: | |
3d8d56df | 1506 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1507 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1508 | case scm_tc7_uvect: |
1509 | case scm_tc7_ivect: | |
1510 | sz = sizeof (long); | |
1511 | break; | |
1512 | case scm_tc7_svect: | |
1513 | sz = sizeof (short); | |
1514 | break; | |
5c11cc9d | 1515 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1516 | case scm_tc7_llvect: |
1517 | sz = sizeof (long_long); | |
1518 | break; | |
1519 | #endif | |
1520 | #ifdef SCM_FLOATS | |
1521 | #ifdef SCM_SINGLES | |
1522 | case scm_tc7_fvect: | |
1523 | sz = sizeof (float); | |
1524 | break; | |
1525 | #endif | |
1526 | case scm_tc7_dvect: | |
1527 | sz = sizeof (double); | |
1528 | break; | |
1529 | case scm_tc7_cvect: | |
1530 | sz = 2 * sizeof (double); | |
1531 | break; | |
1532 | #endif | |
1533 | } | |
3d8d56df | 1534 | |
1146b6cd GH |
1535 | cend = vlen; |
1536 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1537 | { |
1146b6cd | 1538 | offset = |
1bbd0b84 | 1539 | scm_num2long (start, (char *) SCM_ARG3, FUNC_NAME); |
35de7ebe | 1540 | |
1146b6cd | 1541 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1542 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1543 | |
1544 | if (!SCM_UNBNDP (end)) | |
1545 | { | |
1546 | long tend = | |
1bbd0b84 | 1547 | scm_num2long (end, (char *) SCM_ARG4, FUNC_NAME); |
3d8d56df | 1548 | |
1146b6cd | 1549 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1550 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1551 | cend = tend; |
1552 | } | |
0f2d19dd | 1553 | } |
35de7ebe | 1554 | |
3d8d56df GH |
1555 | if (SCM_NIMP (port_or_fd)) |
1556 | { | |
6c951427 GH |
1557 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1558 | int remaining = (cend - offset) * sz; | |
1559 | char *dest = SCM_CHARS (v) + (cstart + offset) * sz; | |
1560 | ||
1561 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1562 | scm_flush (port_or_fd); |
6c951427 GH |
1563 | |
1564 | ans = cend - offset; | |
1565 | while (remaining > 0) | |
3d8d56df | 1566 | { |
6c951427 GH |
1567 | if (pt->read_pos < pt->read_end) |
1568 | { | |
1569 | int to_copy = min (pt->read_end - pt->read_pos, | |
1570 | remaining); | |
1571 | ||
1572 | memcpy (dest, pt->read_pos, to_copy); | |
1573 | pt->read_pos += to_copy; | |
1574 | remaining -= to_copy; | |
1575 | dest += to_copy; | |
1576 | } | |
1577 | else | |
1578 | { | |
affc96b5 | 1579 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1580 | { |
1581 | if (remaining % sz != 0) | |
1582 | { | |
1bbd0b84 | 1583 | scm_misc_error (FUNC_NAME, |
6c951427 GH |
1584 | "unexpected EOF", |
1585 | SCM_EOL); | |
1586 | } | |
1587 | ans -= remaining / sz; | |
1588 | break; | |
1589 | } | |
6c951427 | 1590 | } |
3d8d56df | 1591 | } |
6c951427 GH |
1592 | |
1593 | if (pt->rw_random) | |
1594 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1595 | } |
1596 | else /* file descriptor. */ | |
1597 | { | |
1598 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1599 | SCM_CHARS (v) + (cstart + offset) * sz, |
1600 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1601 | if (ans == -1) |
1bbd0b84 | 1602 | SCM_SYSERROR; |
3d8d56df | 1603 | } |
0f2d19dd JB |
1604 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1605 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1606 | |
0f2d19dd JB |
1607 | if (v != ra && cra != ra) |
1608 | scm_array_copy_x (cra, ra); | |
35de7ebe | 1609 | |
0f2d19dd JB |
1610 | return SCM_MAKINUM (ans); |
1611 | } | |
1bbd0b84 | 1612 | #undef FUNC_NAME |
0f2d19dd | 1613 | |
1bbd0b84 GB |
1614 | GUILE_PROC(scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1615 | (SCM v, SCM port_or_fd, SCM start, SCM end), | |
4079f87e GB |
1616 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end] |
1617 | Writes all elements of @var{ura} as binary objects to | |
1618 | @var{port-or-fdes}. | |
1619 | ||
1620 | The optional arguments @var{start} | |
1621 | and @var{end} allow | |
1622 | a specified region of a vector (or linearized array) to be written. | |
1623 | ||
1624 | The number of objects actually written is returned. | |
1625 | @var{port-or-fdes} may be | |
1626 | omitted, in which case it defaults to the value returned by | |
1627 | @code{(current-output-port)}.") | |
1bbd0b84 | 1628 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1629 | { |
3d8d56df | 1630 | long sz, vlen, ans; |
1146b6cd GH |
1631 | long offset = 0; |
1632 | long cstart = 0; | |
1633 | long cend; | |
3d8d56df | 1634 | |
78446828 MV |
1635 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1636 | ||
0f2d19dd | 1637 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1638 | if (SCM_UNBNDP (port_or_fd)) |
1639 | port_or_fd = scm_cur_outp; | |
1640 | else | |
1641 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1642 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1643 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df GH |
1644 | vlen = SCM_LENGTH (v); |
1645 | ||
0f2d19dd | 1646 | loop: |
3d8d56df | 1647 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1648 | { |
1649 | default: | |
1bbd0b84 | 1650 | badarg1:scm_wta (v, (char *) SCM_ARG1, FUNC_NAME); |
0f2d19dd JB |
1651 | case scm_tc7_smob: |
1652 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1653 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1654 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1655 | vlen = SCM_ARRAY_DIMS (v)->inc |
1656 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1657 | v = SCM_ARRAY_V (v); |
1658 | goto loop; | |
0f2d19dd | 1659 | case scm_tc7_string: |
3d8d56df | 1660 | case scm_tc7_byvect: |
0f2d19dd JB |
1661 | sz = sizeof (char); |
1662 | break; | |
1663 | case scm_tc7_bvect: | |
3d8d56df | 1664 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1665 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1666 | case scm_tc7_uvect: |
1667 | case scm_tc7_ivect: | |
1668 | sz = sizeof (long); | |
1669 | break; | |
1670 | case scm_tc7_svect: | |
1671 | sz = sizeof (short); | |
1672 | break; | |
5c11cc9d | 1673 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1674 | case scm_tc7_llvect: |
1675 | sz = sizeof (long_long); | |
1676 | break; | |
1677 | #endif | |
1678 | #ifdef SCM_FLOATS | |
1679 | #ifdef SCM_SINGLES | |
1680 | case scm_tc7_fvect: | |
1681 | sz = sizeof (float); | |
1682 | break; | |
1683 | #endif | |
1684 | case scm_tc7_dvect: | |
1685 | sz = sizeof (double); | |
1686 | break; | |
1687 | case scm_tc7_cvect: | |
1688 | sz = 2 * sizeof (double); | |
1689 | break; | |
1690 | #endif | |
1691 | } | |
3d8d56df | 1692 | |
1146b6cd GH |
1693 | cend = vlen; |
1694 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1695 | { |
1146b6cd | 1696 | offset = |
1bbd0b84 | 1697 | scm_num2long (start, (char *) SCM_ARG3, FUNC_NAME); |
3d8d56df | 1698 | |
1146b6cd | 1699 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1700 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1701 | |
1702 | if (!SCM_UNBNDP (end)) | |
1703 | { | |
1704 | long tend = | |
1bbd0b84 | 1705 | scm_num2long (end, (char *) SCM_ARG4, FUNC_NAME); |
3d8d56df | 1706 | |
1146b6cd | 1707 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1708 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1709 | cend = tend; |
1710 | } | |
3d8d56df GH |
1711 | } |
1712 | ||
1713 | if (SCM_NIMP (port_or_fd)) | |
1714 | { | |
6c951427 | 1715 | char *source = SCM_CHARS (v) + (cstart + offset) * sz; |
6c951427 GH |
1716 | |
1717 | ans = cend - offset; | |
265e6a4d | 1718 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1719 | } |
1720 | else /* file descriptor. */ | |
1721 | { | |
1722 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1723 | SCM_CHARS (v) + (cstart + offset) * sz, |
1724 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1725 | if (ans == -1) |
1bbd0b84 | 1726 | SCM_SYSERROR; |
3d8d56df | 1727 | } |
0f2d19dd JB |
1728 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1729 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1730 | |
0f2d19dd JB |
1731 | return SCM_MAKINUM (ans); |
1732 | } | |
1bbd0b84 | 1733 | #undef FUNC_NAME |
0f2d19dd JB |
1734 | |
1735 | ||
1736 | static char cnt_tab[16] = | |
1737 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1738 | ||
1bbd0b84 GB |
1739 | GUILE_PROC(scm_bit_count, "bit-count", 2, 0, 0, |
1740 | (SCM item, SCM seq), | |
4079f87e | 1741 | "Returns the number occurrences of @var{bool} in @var{bv}.") |
1bbd0b84 | 1742 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd JB |
1743 | { |
1744 | long i; | |
1745 | register unsigned long cnt = 0, w; | |
1bbd0b84 | 1746 | SCM_VALIDATE_INT(2,seq); |
5c11cc9d | 1747 | switch SCM_TYP7 (seq) |
0f2d19dd JB |
1748 | { |
1749 | default: | |
1bbd0b84 | 1750 | SCM_WTA (2,seq); |
0f2d19dd JB |
1751 | case scm_tc7_bvect: |
1752 | if (0 == SCM_LENGTH (seq)) | |
1753 | return SCM_INUM0; | |
1754 | i = (SCM_LENGTH (seq) - 1) / SCM_LONG_BIT; | |
1755 | w = SCM_VELTS (seq)[i]; | |
1756 | if (SCM_FALSEP (item)) | |
1757 | w = ~w; | |
1758 | w <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (seq) - 1) % SCM_LONG_BIT); | |
1759 | while (!0) | |
1760 | { | |
1761 | for (; w; w >>= 4) | |
1762 | cnt += cnt_tab[w & 0x0f]; | |
1763 | if (0 == i--) | |
1764 | return SCM_MAKINUM (cnt); | |
1765 | w = SCM_VELTS (seq)[i]; | |
1766 | if (SCM_FALSEP (item)) | |
1767 | w = ~w; | |
1768 | } | |
1769 | } | |
1770 | } | |
1bbd0b84 | 1771 | #undef FUNC_NAME |
0f2d19dd JB |
1772 | |
1773 | ||
1bbd0b84 GB |
1774 | GUILE_PROC(scm_bit_position, "bit-position", 3, 0, 0, |
1775 | (SCM item, SCM v, SCM k), | |
4079f87e GB |
1776 | "Returns the minimum index of an occurrence of @var{bool} in @var{bv} |
1777 | which is at least @var{k}. If no @var{bool} occurs within the specified | |
1778 | range @code{#f} is returned.") | |
1bbd0b84 | 1779 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1780 | { |
1bbd0b84 | 1781 | long i, lenw, xbits, pos; |
0f2d19dd | 1782 | register unsigned long w; |
6b5a304f | 1783 | SCM_VALIDATE_NIM (2,v); |
1bbd0b84 | 1784 | SCM_VALIDATE_INT_COPY(3,k,pos); |
0f2d19dd | 1785 | SCM_ASSERT ((pos <= SCM_LENGTH (v)) && (pos >= 0), |
1bbd0b84 | 1786 | k, SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1787 | if (pos == SCM_LENGTH (v)) |
1788 | return SCM_BOOL_F; | |
5c11cc9d | 1789 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1790 | { |
1791 | default: | |
1bbd0b84 | 1792 | SCM_WTA (2,v); |
0f2d19dd JB |
1793 | case scm_tc7_bvect: |
1794 | if (0 == SCM_LENGTH (v)) | |
1795 | return SCM_MAKINUM (-1L); | |
1796 | lenw = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1797 | i = pos / SCM_LONG_BIT; | |
1798 | w = SCM_VELTS (v)[i]; | |
1799 | if (SCM_FALSEP (item)) | |
1800 | w = ~w; | |
1801 | xbits = (pos % SCM_LONG_BIT); | |
1802 | pos -= xbits; | |
1803 | w = ((w >> xbits) << xbits); | |
1804 | xbits = SCM_LONG_BIT - 1 - (SCM_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1805 | while (!0) | |
1806 | { | |
1807 | if (w && (i == lenw)) | |
1808 | w = ((w << xbits) >> xbits); | |
1809 | if (w) | |
1810 | while (w) | |
1811 | switch (w & 0x0f) | |
1812 | { | |
1813 | default: | |
1814 | return SCM_MAKINUM (pos); | |
1815 | case 2: | |
1816 | case 6: | |
1817 | case 10: | |
1818 | case 14: | |
1819 | return SCM_MAKINUM (pos + 1); | |
1820 | case 4: | |
1821 | case 12: | |
1822 | return SCM_MAKINUM (pos + 2); | |
1823 | case 8: | |
1824 | return SCM_MAKINUM (pos + 3); | |
1825 | case 0: | |
1826 | pos += 4; | |
1827 | w >>= 4; | |
1828 | } | |
1829 | if (++i > lenw) | |
1830 | break; | |
1831 | pos += SCM_LONG_BIT; | |
1832 | w = SCM_VELTS (v)[i]; | |
1833 | if (SCM_FALSEP (item)) | |
1834 | w = ~w; | |
1835 | } | |
1836 | return SCM_BOOL_F; | |
1837 | } | |
1838 | } | |
1bbd0b84 | 1839 | #undef FUNC_NAME |
0f2d19dd JB |
1840 | |
1841 | ||
1bbd0b84 GB |
1842 | GUILE_PROC(scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
1843 | (SCM v, SCM kv, SCM obj), | |
4079f87e GB |
1844 | "If uve is a bit-vector @var{bv} and uve must be of the same length. If |
1845 | @var{bool} is @code{#t}, uve is OR'ed into @var{bv}; If @var{bool} is @code{#f}, the | |
1846 | inversion of uve is AND'ed into @var{bv}. | |
1847 | ||
1848 | If uve is a unsigned integer vector all the elements of uve must be | |
1849 | between 0 and the @code{LENGTH} of @var{bv}. The bits of @var{bv} | |
1850 | corresponding to the indexes in uve are set to @var{bool}. | |
1851 | ||
1852 | The return value is unspecified.") | |
1bbd0b84 | 1853 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1854 | { |
1855 | register long i, k, vlen; | |
1856 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1857 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1858 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1859 | { |
1860 | default: | |
1bbd0b84 | 1861 | badarg2:SCM_WTA (2,kv); |
0f2d19dd | 1862 | case scm_tc7_uvect: |
5c11cc9d | 1863 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1864 | { |
1865 | default: | |
1bbd0b84 | 1866 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1867 | case scm_tc7_bvect: |
1868 | vlen = SCM_LENGTH (v); | |
1869 | if (SCM_BOOL_F == obj) | |
1870 | for (i = SCM_LENGTH (kv); i;) | |
1871 | { | |
1872 | k = SCM_VELTS (kv)[--i]; | |
1bbd0b84 | 1873 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1874 | SCM_VELTS (v)[k / SCM_LONG_BIT] &= ~(1L << (k % SCM_LONG_BIT)); |
1875 | } | |
1876 | else if (SCM_BOOL_T == obj) | |
1877 | for (i = SCM_LENGTH (kv); i;) | |
1878 | { | |
1879 | k = SCM_VELTS (kv)[--i]; | |
1bbd0b84 | 1880 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1881 | SCM_VELTS (v)[k / SCM_LONG_BIT] |= (1L << (k % SCM_LONG_BIT)); |
1882 | } | |
1883 | else | |
1bbd0b84 | 1884 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1885 | } |
1886 | break; | |
1887 | case scm_tc7_bvect: | |
1888 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1889 | if (SCM_BOOL_F == obj) | |
1890 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
1891 | SCM_VELTS (v)[k] &= ~(SCM_VELTS (kv)[k]); | |
1892 | else if (SCM_BOOL_T == obj) | |
1893 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
1894 | SCM_VELTS (v)[k] |= SCM_VELTS (kv)[k]; | |
1895 | else | |
1896 | goto badarg3; | |
1897 | break; | |
1898 | } | |
1899 | return SCM_UNSPECIFIED; | |
1900 | } | |
1bbd0b84 | 1901 | #undef FUNC_NAME |
0f2d19dd JB |
1902 | |
1903 | ||
1bbd0b84 GB |
1904 | GUILE_PROC(scm_bit_count_star, "bit-count*", 3, 0, 0, |
1905 | (SCM v, SCM kv, SCM obj), | |
4079f87e GB |
1906 | "Returns |
1907 | @example | |
1908 | (bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t). | |
1909 | @end example | |
1910 | @var{bv} is not modified.") | |
1bbd0b84 | 1911 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1912 | { |
1913 | register long i, vlen, count = 0; | |
1914 | register unsigned long k; | |
1915 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1916 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1917 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1918 | { |
1919 | default: | |
1bbd0b84 | 1920 | badarg2:SCM_WTA (2,kv); |
0f2d19dd JB |
1921 | case scm_tc7_uvect: |
1922 | switch SCM_TYP7 | |
1923 | (v) | |
1924 | { | |
1925 | default: | |
1bbd0b84 | 1926 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1927 | case scm_tc7_bvect: |
1928 | vlen = SCM_LENGTH (v); | |
1929 | if (SCM_BOOL_F == obj) | |
1930 | for (i = SCM_LENGTH (kv); i;) | |
1931 | { | |
1932 | k = SCM_VELTS (kv)[--i]; | |
1bbd0b84 | 1933 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1934 | if (!(SCM_VELTS (v)[k / SCM_LONG_BIT] & (1L << (k % SCM_LONG_BIT)))) |
1935 | count++; | |
1936 | } | |
1937 | else if (SCM_BOOL_T == obj) | |
1938 | for (i = SCM_LENGTH (kv); i;) | |
1939 | { | |
1940 | k = SCM_VELTS (kv)[--i]; | |
1bbd0b84 | 1941 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1942 | if (SCM_VELTS (v)[k / SCM_LONG_BIT] & (1L << (k % SCM_LONG_BIT))) |
1943 | count++; | |
1944 | } | |
1945 | else | |
1bbd0b84 | 1946 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1947 | } |
1948 | break; | |
1949 | case scm_tc7_bvect: | |
1950 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1951 | if (0 == SCM_LENGTH (v)) | |
1952 | return SCM_INUM0; | |
1953 | SCM_ASRTGO (SCM_BOOL_T == obj || SCM_BOOL_F == obj, badarg3); | |
1954 | obj = (SCM_BOOL_T == obj); | |
1955 | i = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; | |
1956 | k = SCM_VELTS (kv)[i] & (obj ? SCM_VELTS (v)[i] : ~SCM_VELTS (v)[i]); | |
1957 | k <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (v) - 1) % SCM_LONG_BIT); | |
1958 | while (!0) | |
1959 | { | |
1960 | for (; k; k >>= 4) | |
1961 | count += cnt_tab[k & 0x0f]; | |
1962 | if (0 == i--) | |
1963 | return SCM_MAKINUM (count); | |
1964 | k = SCM_VELTS (kv)[i] & (obj ? SCM_VELTS (v)[i] : ~SCM_VELTS (v)[i]); | |
1965 | } | |
1966 | } | |
1967 | return SCM_MAKINUM (count); | |
1968 | } | |
1bbd0b84 | 1969 | #undef FUNC_NAME |
0f2d19dd JB |
1970 | |
1971 | ||
1bbd0b84 GB |
1972 | GUILE_PROC(scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1973 | (SCM v), | |
4079f87e | 1974 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 1975 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd JB |
1976 | { |
1977 | register long k; | |
1978 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1979 | k = SCM_LENGTH (v); | |
1980 | switch SCM_TYP7 | |
1981 | (v) | |
1982 | { | |
1983 | case scm_tc7_bvect: | |
1984 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
1985 | SCM_VELTS (v)[k] = ~SCM_VELTS (v)[k]; | |
1986 | break; | |
1987 | default: | |
1bbd0b84 | 1988 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1989 | } |
1990 | return SCM_UNSPECIFIED; | |
1991 | } | |
1bbd0b84 | 1992 | #undef FUNC_NAME |
0f2d19dd JB |
1993 | |
1994 | ||
0f2d19dd | 1995 | SCM |
1bbd0b84 | 1996 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
1997 | { |
1998 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
1999 | long *data = (long *) SCM_VELTS (v); | |
2000 | register unsigned long mask; | |
2001 | register long k; | |
2002 | register long j; | |
2003 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
2004 | { | |
2005 | data[k] = 0L; | |
2006 | j = len - k * SCM_LONG_BIT; | |
2007 | if (j > SCM_LONG_BIT) | |
2008 | j = SCM_LONG_BIT; | |
2009 | for (mask = 1L; j--; mask <<= 1) | |
2010 | switch (*str++) | |
2011 | { | |
2012 | case '0': | |
2013 | break; | |
2014 | case '1': | |
2015 | data[k] |= mask; | |
2016 | break; | |
2017 | default: | |
2018 | return SCM_BOOL_F; | |
2019 | } | |
2020 | } | |
2021 | return v; | |
2022 | } | |
2023 | ||
2024 | ||
1cc91f1b | 2025 | |
0f2d19dd | 2026 | static SCM |
1bbd0b84 | 2027 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
2028 | { |
2029 | register SCM res = SCM_EOL; | |
2030 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2031 | register scm_sizet i; | |
2032 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
2033 | return SCM_EOL; | |
2034 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2035 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2036 | { | |
2037 | do | |
2038 | { | |
2039 | i -= inc; | |
2040 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2041 | } | |
2042 | while (i != base); | |
2043 | } | |
2044 | else | |
2045 | do | |
2046 | { | |
2047 | i -= inc; | |
2048 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2049 | } | |
2050 | while (i != base); | |
2051 | return res; | |
2052 | } | |
2053 | ||
2054 | ||
1bbd0b84 GB |
2055 | GUILE_PROC(scm_array_to_list, "array->list", 1, 0, 0, |
2056 | (SCM v), | |
4079f87e | 2057 | "Returns a list consisting of all the elements, in order, of @var{array}.") |
1bbd0b84 | 2058 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2059 | { |
2060 | SCM res = SCM_EOL; | |
2061 | register long k; | |
2062 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
2063 | switch SCM_TYP7 | |
2064 | (v) | |
2065 | { | |
2066 | default: | |
1bbd0b84 | 2067 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2068 | case scm_tc7_smob: |
2069 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2070 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2071 | case scm_tc7_vector: | |
95f5b0f5 | 2072 | case scm_tc7_wvect: |
0f2d19dd JB |
2073 | return scm_vector_to_list (v); |
2074 | case scm_tc7_string: | |
2075 | return scm_string_to_list (v); | |
2076 | case scm_tc7_bvect: | |
2077 | { | |
2078 | long *data = (long *) SCM_VELTS (v); | |
2079 | register unsigned long mask; | |
2080 | for (k = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
cdbadcac | 2081 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2082 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd | 2083 | for (mask = 1L << ((SCM_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2084 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2085 | return res; |
2086 | } | |
2087 | # ifdef SCM_INUMS_ONLY | |
2088 | case scm_tc7_uvect: | |
2089 | case scm_tc7_ivect: | |
2090 | { | |
2091 | long *data = (long *) SCM_VELTS (v); | |
2092 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2093 | res = scm_cons (SCM_MAKINUM (data[k]), res); | |
2094 | return res; | |
2095 | } | |
2096 | # else | |
2097 | case scm_tc7_uvect: { | |
2098 | long *data = (long *)SCM_VELTS(v); | |
2099 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2100 | res = scm_cons(scm_ulong2num(data[k]), res); | |
2101 | return res; | |
2102 | } | |
2103 | case scm_tc7_ivect: { | |
2104 | long *data = (long *)SCM_VELTS(v); | |
2105 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2106 | res = scm_cons(scm_long2num(data[k]), res); | |
2107 | return res; | |
2108 | } | |
2109 | # endif | |
2110 | case scm_tc7_svect: { | |
2111 | short *data; | |
2112 | data = (short *)SCM_VELTS(v); | |
2113 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2114 | res = scm_cons(SCM_MAKINUM (data[k]), res); | |
2115 | return res; | |
2116 | } | |
5c11cc9d | 2117 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2118 | case scm_tc7_llvect: { |
2119 | long_long *data; | |
2120 | data = (long_long *)SCM_VELTS(v); | |
2121 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2122 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2123 | return res; | |
2124 | } | |
2125 | #endif | |
2126 | ||
2127 | ||
2128 | #ifdef SCM_FLOATS | |
2129 | #ifdef SCM_SINGLES | |
2130 | case scm_tc7_fvect: | |
2131 | { | |
2132 | float *data = (float *) SCM_VELTS (v); | |
2133 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2134 | res = scm_cons (scm_makflo (data[k]), res); | |
2135 | return res; | |
2136 | } | |
2137 | #endif /*SCM_SINGLES*/ | |
2138 | case scm_tc7_dvect: | |
2139 | { | |
2140 | double *data = (double *) SCM_VELTS (v); | |
2141 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2142 | res = scm_cons (scm_makdbl (data[k], 0.0), res); | |
2143 | return res; | |
2144 | } | |
2145 | case scm_tc7_cvect: | |
2146 | { | |
2147 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
2148 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2149 | res = scm_cons (scm_makdbl (data[k][0], data[k][1]), res); | |
2150 | return res; | |
2151 | } | |
2152 | #endif /*SCM_FLOATS*/ | |
2153 | } | |
2154 | } | |
1bbd0b84 | 2155 | #undef FUNC_NAME |
0f2d19dd JB |
2156 | |
2157 | ||
20a54673 | 2158 | static char s_bad_ralst[] = "Bad scm_array contents list"; |
1cc91f1b | 2159 | |
1bbd0b84 | 2160 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2161 | |
1bbd0b84 GB |
2162 | GUILE_PROC(scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
2163 | (SCM ndim, SCM prot, SCM lst), | |
4079f87e GB |
2164 | "@deffnx procedure list->uniform-vector prot lst |
2165 | Returns a uniform array of the type indicated by prototype @var{prot} | |
2166 | with elements the same as those of @var{lst}. Elements must be of the | |
2167 | appropriate type, no coercions are done.") | |
1bbd0b84 | 2168 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2169 | { |
2170 | SCM shp = SCM_EOL; | |
2171 | SCM row = lst; | |
2172 | SCM ra; | |
2173 | scm_sizet k; | |
2174 | long n; | |
1bbd0b84 | 2175 | SCM_VALIDATE_INT_COPY(1,ndim,k); |
0f2d19dd JB |
2176 | while (k--) |
2177 | { | |
2178 | n = scm_ilength (row); | |
1bbd0b84 | 2179 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2180 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2181 | if (SCM_NIMP (row)) | |
2182 | row = SCM_CAR (row); | |
2183 | } | |
d12feca3 GH |
2184 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2185 | SCM_UNDEFINED); | |
0f2d19dd JB |
2186 | if (SCM_NULLP (shp)) |
2187 | ||
2188 | { | |
2189 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2190 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2191 | return ra; | |
2192 | } | |
2193 | if (!SCM_ARRAYP (ra)) | |
2194 | { | |
2195 | for (k = 0; k < SCM_LENGTH (ra); k++, lst = SCM_CDR (lst)) | |
2196 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); | |
2197 | return ra; | |
2198 | } | |
2199 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2200 | return ra; | |
2201 | else | |
1bbd0b84 | 2202 | badlst:scm_wta (lst, s_bad_ralst, FUNC_NAME); |
0f2d19dd JB |
2203 | return SCM_BOOL_F; |
2204 | } | |
1bbd0b84 | 2205 | #undef FUNC_NAME |
0f2d19dd | 2206 | |
0f2d19dd | 2207 | static int |
1bbd0b84 | 2208 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2209 | { |
2210 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2211 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2212 | int ok = 1; | |
2213 | if (n <= 0) | |
2214 | return (SCM_EOL == lst); | |
2215 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2216 | { | |
2217 | while (n--) | |
2218 | { | |
2219 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2220 | return 0; | |
2221 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2222 | base += inc; | |
2223 | lst = SCM_CDR (lst); | |
2224 | } | |
2225 | if (SCM_NNULLP (lst)) | |
2226 | return 0; | |
2227 | } | |
2228 | else | |
2229 | { | |
2230 | while (n--) | |
2231 | { | |
2232 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2233 | return 0; | |
2234 | ok = ok && scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); | |
2235 | base += inc; | |
2236 | lst = SCM_CDR (lst); | |
2237 | } | |
2238 | if (SCM_NNULLP (lst)) | |
2239 | return 0; | |
2240 | } | |
2241 | return ok; | |
2242 | } | |
2243 | ||
1cc91f1b | 2244 | |
0f2d19dd | 2245 | static void |
1bbd0b84 | 2246 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2247 | { |
2248 | long inc = 1; | |
2249 | long n = SCM_LENGTH (ra); | |
2250 | int enclosed = 0; | |
2251 | tail: | |
5c11cc9d | 2252 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2253 | { |
2254 | case scm_tc7_smob: | |
2255 | if (enclosed++) | |
2256 | { | |
2257 | SCM_ARRAY_BASE (ra) = j; | |
2258 | if (n-- > 0) | |
9882ea19 | 2259 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2260 | for (j += inc; n-- > 0; j += inc) |
2261 | { | |
b7f3516f | 2262 | scm_putc (' ', port); |
0f2d19dd | 2263 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2264 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2265 | } |
2266 | break; | |
2267 | } | |
2268 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2269 | { | |
2270 | long i; | |
2271 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2272 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2273 | { | |
b7f3516f | 2274 | scm_putc ('(', port); |
9882ea19 | 2275 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2276 | scm_puts (") ", port); |
0f2d19dd JB |
2277 | j += inc; |
2278 | } | |
2279 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2280 | { /* could be zero size. */ | |
b7f3516f | 2281 | scm_putc ('(', port); |
9882ea19 | 2282 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2283 | scm_putc (')', port); |
0f2d19dd JB |
2284 | } |
2285 | break; | |
2286 | } | |
2287 | if SCM_ARRAY_NDIM | |
2288 | (ra) | |
2289 | { /* Could be zero-dimensional */ | |
2290 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2291 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2292 | } | |
2293 | else | |
2294 | n = 1; | |
2295 | ra = SCM_ARRAY_V (ra); | |
2296 | goto tail; | |
2297 | default: | |
5c11cc9d | 2298 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2299 | if (n-- > 0) |
9882ea19 | 2300 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2301 | for (j += inc; n-- > 0; j += inc) |
2302 | { | |
b7f3516f | 2303 | scm_putc (' ', port); |
9882ea19 | 2304 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2305 | } |
2306 | break; | |
2307 | case scm_tc7_string: | |
2308 | if (n-- > 0) | |
fc1d67c4 | 2309 | scm_iprin1 (SCM_MAKICHR (SCM_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2310 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2311 | for (j += inc; n-- > 0; j += inc) |
2312 | { | |
b7f3516f | 2313 | scm_putc (' ', port); |
fc1d67c4 | 2314 | scm_iprin1 (SCM_MAKICHR (SCM_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2315 | } |
2316 | else | |
2317 | for (j += inc; n-- > 0; j += inc) | |
b7f3516f | 2318 | scm_putc (SCM_CHARS (ra)[j], port); |
0f2d19dd JB |
2319 | break; |
2320 | case scm_tc7_byvect: | |
2321 | if (n-- > 0) | |
2322 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); | |
2323 | for (j += inc; n-- > 0; j += inc) | |
2324 | { | |
b7f3516f | 2325 | scm_putc (' ', port); |
0f2d19dd JB |
2326 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); |
2327 | } | |
2328 | break; | |
2329 | ||
2330 | case scm_tc7_uvect: | |
5c11cc9d GH |
2331 | { |
2332 | char str[11]; | |
2333 | ||
2334 | if (n-- > 0) | |
2335 | { | |
2336 | /* intprint can't handle >= 2^31. */ | |
2337 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2338 | scm_puts (str, port); | |
2339 | } | |
2340 | for (j += inc; n-- > 0; j += inc) | |
2341 | { | |
2342 | scm_putc (' ', port); | |
2343 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2344 | scm_puts (str, port); | |
2345 | } | |
2346 | } | |
0f2d19dd JB |
2347 | case scm_tc7_ivect: |
2348 | if (n-- > 0) | |
2349 | scm_intprint (SCM_VELTS (ra)[j], 10, port); | |
2350 | for (j += inc; n-- > 0; j += inc) | |
2351 | { | |
b7f3516f | 2352 | scm_putc (' ', port); |
0f2d19dd JB |
2353 | scm_intprint (SCM_VELTS (ra)[j], 10, port); |
2354 | } | |
2355 | break; | |
2356 | ||
2357 | case scm_tc7_svect: | |
2358 | if (n-- > 0) | |
2359 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); | |
2360 | for (j += inc; n-- > 0; j += inc) | |
2361 | { | |
b7f3516f | 2362 | scm_putc (' ', port); |
0f2d19dd JB |
2363 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); |
2364 | } | |
2365 | break; | |
2366 | ||
2367 | #ifdef SCM_FLOATS | |
2368 | #ifdef SCM_SINGLES | |
2369 | case scm_tc7_fvect: | |
2370 | if (n-- > 0) | |
2371 | { | |
2372 | SCM z = scm_makflo (1.0); | |
2373 | SCM_FLO (z) = ((float *) SCM_VELTS (ra))[j]; | |
9882ea19 | 2374 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2375 | for (j += inc; n-- > 0; j += inc) |
2376 | { | |
b7f3516f | 2377 | scm_putc (' ', port); |
0f2d19dd | 2378 | SCM_FLO (z) = ((float *) SCM_VELTS (ra))[j]; |
9882ea19 | 2379 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2380 | } |
2381 | } | |
2382 | break; | |
2383 | #endif /*SCM_SINGLES*/ | |
2384 | case scm_tc7_dvect: | |
2385 | if (n-- > 0) | |
2386 | { | |
2387 | SCM z = scm_makdbl (1.0 / 3.0, 0.0); | |
2388 | SCM_REAL (z) = ((double *) SCM_VELTS (ra))[j]; | |
9882ea19 | 2389 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2390 | for (j += inc; n-- > 0; j += inc) |
2391 | { | |
b7f3516f | 2392 | scm_putc (' ', port); |
0f2d19dd | 2393 | SCM_REAL (z) = ((double *) SCM_VELTS (ra))[j]; |
9882ea19 | 2394 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2395 | } |
2396 | } | |
2397 | break; | |
2398 | case scm_tc7_cvect: | |
2399 | if (n-- > 0) | |
2400 | { | |
2401 | SCM cz = scm_makdbl (0.0, 1.0), z = scm_makdbl (1.0 / 3.0, 0.0); | |
2402 | SCM_REAL (z) = SCM_REAL (cz) = (((double *) SCM_VELTS (ra))[2 * j]); | |
2403 | SCM_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
9882ea19 | 2404 | scm_floprint ((0.0 == SCM_IMAG (cz) ? z : cz), port, pstate); |
0f2d19dd JB |
2405 | for (j += inc; n-- > 0; j += inc) |
2406 | { | |
b7f3516f | 2407 | scm_putc (' ', port); |
0f2d19dd JB |
2408 | SCM_REAL (z) = SCM_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; |
2409 | SCM_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
9882ea19 | 2410 | scm_floprint ((0.0 == SCM_IMAG (cz) ? z : cz), port, pstate); |
0f2d19dd JB |
2411 | } |
2412 | } | |
2413 | break; | |
2414 | #endif /*SCM_FLOATS*/ | |
2415 | } | |
2416 | } | |
2417 | ||
2418 | ||
1cc91f1b | 2419 | |
0f2d19dd | 2420 | int |
1bbd0b84 | 2421 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2422 | { |
2423 | SCM v = exp; | |
2424 | scm_sizet base = 0; | |
b7f3516f | 2425 | scm_putc ('#', port); |
0f2d19dd | 2426 | tail: |
5c11cc9d | 2427 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2428 | { |
2429 | case scm_tc7_smob: | |
2430 | { | |
2431 | long ndim = SCM_ARRAY_NDIM (v); | |
2432 | base = SCM_ARRAY_BASE (v); | |
2433 | v = SCM_ARRAY_V (v); | |
2434 | if (SCM_ARRAYP (v)) | |
2435 | ||
2436 | { | |
b7f3516f | 2437 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2438 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2439 | scm_putc ('>', port); |
0f2d19dd JB |
2440 | return 1; |
2441 | } | |
2442 | else | |
2443 | { | |
2444 | scm_intprint (ndim, 10, port); | |
2445 | goto tail; | |
2446 | } | |
2447 | } | |
2448 | case scm_tc7_bvect: | |
2449 | if (exp == v) | |
2450 | { /* a uve, not an scm_array */ | |
2451 | register long i, j, w; | |
b7f3516f | 2452 | scm_putc ('*', port); |
0f2d19dd JB |
2453 | for (i = 0; i < (SCM_LENGTH (exp)) / SCM_LONG_BIT; i++) |
2454 | { | |
2455 | w = SCM_VELTS (exp)[i]; | |
2456 | for (j = SCM_LONG_BIT; j; j--) | |
2457 | { | |
b7f3516f | 2458 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2459 | w >>= 1; |
2460 | } | |
2461 | } | |
2462 | j = SCM_LENGTH (exp) % SCM_LONG_BIT; | |
2463 | if (j) | |
2464 | { | |
2465 | w = SCM_VELTS (exp)[SCM_LENGTH (exp) / SCM_LONG_BIT]; | |
2466 | for (; j; j--) | |
2467 | { | |
b7f3516f | 2468 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2469 | w >>= 1; |
2470 | } | |
2471 | } | |
2472 | return 1; | |
2473 | } | |
2474 | else | |
b7f3516f | 2475 | scm_putc ('b', port); |
0f2d19dd JB |
2476 | break; |
2477 | case scm_tc7_string: | |
b7f3516f | 2478 | scm_putc ('a', port); |
0f2d19dd JB |
2479 | break; |
2480 | case scm_tc7_byvect: | |
05c33d09 | 2481 | scm_putc ('y', port); |
0f2d19dd JB |
2482 | break; |
2483 | case scm_tc7_uvect: | |
b7f3516f | 2484 | scm_putc ('u', port); |
0f2d19dd JB |
2485 | break; |
2486 | case scm_tc7_ivect: | |
b7f3516f | 2487 | scm_putc ('e', port); |
0f2d19dd JB |
2488 | break; |
2489 | case scm_tc7_svect: | |
05c33d09 | 2490 | scm_putc ('h', port); |
0f2d19dd | 2491 | break; |
5c11cc9d | 2492 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2493 | case scm_tc7_llvect: |
5c11cc9d | 2494 | scm_putc ('l', port); |
0f2d19dd JB |
2495 | break; |
2496 | #endif | |
2497 | #ifdef SCM_FLOATS | |
2498 | #ifdef SCM_SINGLES | |
2499 | case scm_tc7_fvect: | |
b7f3516f | 2500 | scm_putc ('s', port); |
0f2d19dd JB |
2501 | break; |
2502 | #endif /*SCM_SINGLES*/ | |
2503 | case scm_tc7_dvect: | |
b7f3516f | 2504 | scm_putc ('i', port); |
0f2d19dd JB |
2505 | break; |
2506 | case scm_tc7_cvect: | |
b7f3516f | 2507 | scm_putc ('c', port); |
0f2d19dd JB |
2508 | break; |
2509 | #endif /*SCM_FLOATS*/ | |
2510 | } | |
b7f3516f | 2511 | scm_putc ('(', port); |
9882ea19 | 2512 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2513 | scm_putc (')', port); |
0f2d19dd JB |
2514 | return 1; |
2515 | } | |
2516 | ||
1bbd0b84 GB |
2517 | GUILE_PROC(scm_array_prototype, "array-prototype", 1, 0, 0, |
2518 | (SCM ra), | |
4079f87e GB |
2519 | "Returns an object that would produce an array of the same type as |
2520 | @var{array}, if used as the @var{prototype} for | |
2521 | @code{make-uniform-array}.") | |
1bbd0b84 | 2522 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2523 | { |
2524 | int enclosed = 0; | |
2525 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2526 | loop: | |
2527 | switch SCM_TYP7 | |
2528 | (ra) | |
2529 | { | |
2530 | default: | |
1bbd0b84 | 2531 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
2532 | case scm_tc7_smob: |
2533 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2534 | if (enclosed++) | |
2535 | return SCM_UNSPECIFIED; | |
2536 | ra = SCM_ARRAY_V (ra); | |
2537 | goto loop; | |
2538 | case scm_tc7_vector: | |
95f5b0f5 | 2539 | case scm_tc7_wvect: |
0f2d19dd JB |
2540 | return SCM_EOL; |
2541 | case scm_tc7_bvect: | |
2542 | return SCM_BOOL_T; | |
2543 | case scm_tc7_string: | |
2544 | return SCM_MAKICHR ('a'); | |
2545 | case scm_tc7_byvect: | |
2546 | return SCM_MAKICHR ('\0'); | |
2547 | case scm_tc7_uvect: | |
2548 | return SCM_MAKINUM (1L); | |
2549 | case scm_tc7_ivect: | |
2550 | return SCM_MAKINUM (-1L); | |
2551 | case scm_tc7_svect: | |
2552 | return SCM_CDR (scm_intern ("s", 1)); | |
5c11cc9d | 2553 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2554 | case scm_tc7_llvect: |
2555 | return SCM_CDR (scm_intern ("l", 1)); | |
2556 | #endif | |
2557 | #ifdef SCM_FLOATS | |
2558 | #ifdef SCM_SINGLES | |
2559 | case scm_tc7_fvect: | |
2560 | return scm_makflo (1.0); | |
2561 | #endif | |
2562 | case scm_tc7_dvect: | |
2563 | return scm_makdbl (1.0 / 3.0, 0.0); | |
2564 | case scm_tc7_cvect: | |
2565 | return scm_makdbl (0.0, 1.0); | |
2566 | #endif | |
2567 | } | |
2568 | } | |
1bbd0b84 | 2569 | #undef FUNC_NAME |
0f2d19dd | 2570 | |
1cc91f1b | 2571 | |
0f2d19dd | 2572 | static SCM |
1bbd0b84 | 2573 | markra (SCM ptr) |
0f2d19dd | 2574 | { |
0f2d19dd JB |
2575 | return SCM_ARRAY_V (ptr); |
2576 | } | |
2577 | ||
1cc91f1b | 2578 | |
0f2d19dd | 2579 | static scm_sizet |
1bbd0b84 | 2580 | freera (SCM ptr) |
0f2d19dd JB |
2581 | { |
2582 | scm_must_free (SCM_CHARS (ptr)); | |
2583 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); | |
2584 | } | |
2585 | ||
0f2d19dd JB |
2586 | void |
2587 | scm_init_unif () | |
0f2d19dd | 2588 | { |
23a62151 MD |
2589 | scm_tc16_array = scm_make_smob_type_mfpe ("array", 0, |
2590 | markra, | |
2591 | freera, | |
2592 | scm_raprin1, | |
2593 | scm_array_equal_p); | |
0f2d19dd | 2594 | scm_add_feature ("array"); |
23a62151 | 2595 | #include "unif.x" |
0f2d19dd | 2596 | } |