Commit | Line | Data |
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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 | ||
3b3b36dd | 240 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1bbd0b84 | 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 | |
3b3b36dd | 270 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 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 | |
368cf54d | 308 | || (SCM_SYMBOLP (prot) |
0f2d19dd JB |
309 | && (1 == SCM_LENGTH (prot)) |
310 | && ('s' == SCM_CHARS (prot)[0]))); | |
5c11cc9d | 311 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
312 | case scm_tc7_llvect: |
313 | return ( nprot | |
368cf54d | 314 | || (SCM_SYMBOLP (prot) |
0f2d19dd JB |
315 | && (1 == SCM_LENGTH (prot)) |
316 | && ('s' == SCM_CHARS (prot)[0]))); | |
317 | #endif | |
318 | # ifdef SCM_FLOATS | |
319 | # ifdef SCM_SINGLES | |
320 | case scm_tc7_fvect: | |
0c95b57d | 321 | return nprot || SCM_BOOL(SCM_SINGP(prot)); |
0f2d19dd JB |
322 | # endif |
323 | case scm_tc7_dvect: | |
0c95b57d | 324 | return nprot || SCM_BOOL(SCM_REALP(prot)); |
0f2d19dd | 325 | case scm_tc7_cvect: |
0c95b57d | 326 | return nprot || SCM_BOOL(SCM_CPLXP(prot)); |
0f2d19dd JB |
327 | # endif |
328 | case scm_tc7_vector: | |
95f5b0f5 | 329 | case scm_tc7_wvect: |
1bbd0b84 | 330 | return nprot || SCM_BOOL(SCM_NULLP(prot)); |
0f2d19dd JB |
331 | default:; |
332 | } | |
333 | return SCM_BOOL_F; | |
334 | } | |
1bbd0b84 | 335 | #undef FUNC_NAME |
0f2d19dd JB |
336 | |
337 | ||
3b3b36dd | 338 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 339 | (SCM ra), |
4079f87e GB |
340 | "Returns the number of dimensions of @var{obj}. If @var{obj} is not an |
341 | array, @code{0} is returned.") | |
1bbd0b84 | 342 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
343 | { |
344 | if (SCM_IMP (ra)) | |
1bbd0b84 | 345 | return SCM_INUM0; |
0f2d19dd JB |
346 | switch (SCM_TYP7 (ra)) |
347 | { | |
348 | default: | |
349 | return SCM_INUM0; | |
350 | case scm_tc7_string: | |
351 | case scm_tc7_vector: | |
95f5b0f5 | 352 | case scm_tc7_wvect: |
0f2d19dd JB |
353 | case scm_tc7_byvect: |
354 | case scm_tc7_uvect: | |
355 | case scm_tc7_ivect: | |
356 | case scm_tc7_fvect: | |
357 | case scm_tc7_cvect: | |
358 | case scm_tc7_dvect: | |
5c11cc9d | 359 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
360 | case scm_tc7_llvect: |
361 | #endif | |
362 | case scm_tc7_svect: | |
363 | return SCM_MAKINUM (1L); | |
364 | case scm_tc7_smob: | |
365 | if (SCM_ARRAYP (ra)) | |
366 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
367 | return SCM_INUM0; | |
368 | } | |
369 | } | |
1bbd0b84 | 370 | #undef FUNC_NAME |
0f2d19dd JB |
371 | |
372 | ||
3b3b36dd | 373 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 374 | (SCM ra), |
4079f87e GB |
375 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces |
376 | elements with a @code{0} minimum with one greater than the maximum. So: | |
377 | @example | |
378 | (array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5) | |
379 | @end example") | |
1bbd0b84 | 380 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
381 | { |
382 | SCM res = SCM_EOL; | |
383 | scm_sizet k; | |
384 | scm_array_dim *s; | |
385 | if (SCM_IMP (ra)) | |
1bbd0b84 | 386 | return SCM_BOOL_F; |
0f2d19dd JB |
387 | switch (SCM_TYP7 (ra)) |
388 | { | |
389 | default: | |
390 | return SCM_BOOL_F; | |
391 | case scm_tc7_string: | |
392 | case scm_tc7_vector: | |
95f5b0f5 | 393 | case scm_tc7_wvect: |
0f2d19dd JB |
394 | case scm_tc7_bvect: |
395 | case scm_tc7_byvect: | |
396 | case scm_tc7_uvect: | |
397 | case scm_tc7_ivect: | |
398 | case scm_tc7_fvect: | |
399 | case scm_tc7_cvect: | |
400 | case scm_tc7_dvect: | |
401 | case scm_tc7_svect: | |
5c11cc9d | 402 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
403 | case scm_tc7_llvect: |
404 | #endif | |
405 | return scm_cons (SCM_MAKINUM (SCM_LENGTH (ra)), SCM_EOL); | |
406 | case scm_tc7_smob: | |
407 | if (!SCM_ARRAYP (ra)) | |
408 | return SCM_BOOL_F; | |
409 | k = SCM_ARRAY_NDIM (ra); | |
410 | s = SCM_ARRAY_DIMS (ra); | |
411 | while (k--) | |
412 | res = scm_cons (s[k].lbnd ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), SCM_MAKINUM (s[k].ubnd), SCM_EOL) : | |
413 | SCM_MAKINUM (1 + (s[k].ubnd)) | |
414 | , res); | |
415 | return res; | |
416 | } | |
417 | } | |
1bbd0b84 | 418 | #undef FUNC_NAME |
0f2d19dd JB |
419 | |
420 | ||
421 | static char s_bad_ind[] = "Bad scm_array index"; | |
422 | ||
1cc91f1b | 423 | |
0f2d19dd | 424 | long |
1bbd0b84 | 425 | scm_aind (SCM ra, SCM args, const char *what) |
0f2d19dd JB |
426 | { |
427 | SCM ind; | |
428 | register long j; | |
429 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
430 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
431 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
432 | if (SCM_INUMP (args)) | |
0f2d19dd | 433 | { |
f5bf2977 | 434 | SCM_ASSERT (1 == k, scm_makfrom0str (what), SCM_WNA, NULL); |
0f2d19dd JB |
435 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
436 | } | |
437 | while (k && SCM_NIMP (args)) | |
438 | { | |
439 | ind = SCM_CAR (args); | |
440 | args = SCM_CDR (args); | |
441 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, what); | |
442 | j = SCM_INUM (ind); | |
443 | SCM_ASSERT (j >= (s->lbnd) && j <= (s->ubnd), ind, SCM_OUTOFRANGE, what); | |
444 | pos += (j - s->lbnd) * (s->inc); | |
445 | k--; | |
446 | s++; | |
447 | } | |
f5bf2977 GH |
448 | SCM_ASSERT (0 == k && SCM_NULLP (args), scm_makfrom0str (what), SCM_WNA, |
449 | NULL); | |
0f2d19dd JB |
450 | return pos; |
451 | } | |
452 | ||
453 | ||
1cc91f1b | 454 | |
0f2d19dd | 455 | SCM |
1bbd0b84 | 456 | scm_make_ra (int ndim) |
0f2d19dd JB |
457 | { |
458 | SCM ra; | |
459 | SCM_NEWCELL (ra); | |
460 | SCM_DEFER_INTS; | |
23a62151 MD |
461 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
462 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 463 | "array")); |
0f2d19dd JB |
464 | SCM_ARRAY_V (ra) = scm_nullvect; |
465 | SCM_ALLOW_INTS; | |
466 | return ra; | |
467 | } | |
468 | ||
469 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
470 | /* Increments will still need to be set. */ | |
471 | ||
1cc91f1b | 472 | |
0f2d19dd | 473 | SCM |
1bbd0b84 | 474 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
475 | { |
476 | scm_array_dim *s; | |
477 | SCM ra, spec, sp; | |
478 | int ndim = scm_ilength (args); | |
479 | SCM_ASSERT (0 <= ndim, args, s_bad_spec, what); | |
480 | ra = scm_make_ra (ndim); | |
481 | SCM_ARRAY_BASE (ra) = 0; | |
482 | s = SCM_ARRAY_DIMS (ra); | |
483 | for (; SCM_NIMP (args); s++, args = SCM_CDR (args)) | |
484 | { | |
485 | spec = SCM_CAR (args); | |
486 | if (SCM_IMP (spec)) | |
487 | ||
488 | { | |
20a54673 GH |
489 | SCM_ASSERT (SCM_INUMP (spec) && SCM_INUM (spec) >= 0, spec, |
490 | s_bad_spec, what); | |
0f2d19dd JB |
491 | s->lbnd = 0; |
492 | s->ubnd = SCM_INUM (spec) - 1; | |
493 | s->inc = 1; | |
494 | } | |
495 | else | |
496 | { | |
20a54673 GH |
497 | SCM_ASSERT (SCM_CONSP (spec) && SCM_INUMP (SCM_CAR (spec)), spec, |
498 | s_bad_spec, what); | |
0f2d19dd JB |
499 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
500 | sp = SCM_CDR (spec); | |
0c95b57d | 501 | SCM_ASSERT (SCM_CONSP (sp) |
20a54673 GH |
502 | && SCM_INUMP (SCM_CAR (sp)) && SCM_NULLP (SCM_CDR (sp)), |
503 | spec, s_bad_spec, what); | |
0f2d19dd JB |
504 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
505 | s->inc = 1; | |
506 | } | |
507 | } | |
508 | return ra; | |
509 | } | |
510 | ||
3b3b36dd | 511 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1bbd0b84 | 512 | (SCM dims, SCM prot, SCM fill), |
4079f87e GB |
513 | "@deffnx primitive make-uniform-vector length prototype [fill] |
514 | Creates and returns a uniform array or vector of type corresponding to | |
515 | @var{prototype} with dimensions @var{dims} or length @var{length}. If | |
516 | @var{fill} is supplied, it's used to fill the array, otherwise | |
517 | @var{prototype} is used.") | |
1bbd0b84 | 518 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd JB |
519 | { |
520 | scm_sizet k, vlen = 1; | |
521 | long rlen = 1; | |
522 | scm_array_dim *s; | |
523 | SCM ra; | |
524 | if (SCM_INUMP (dims)) | |
cda139a7 | 525 | { |
0f2d19dd JB |
526 | if (SCM_INUM (dims) < SCM_LENGTH_MAX) |
527 | { | |
5c11cc9d GH |
528 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
529 | ||
530 | if (!SCM_UNBNDP (fill)) | |
531 | scm_array_fill_x (answer, fill); | |
0c95b57d | 532 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
533 | scm_array_fill_x (answer, SCM_MAKINUM (0)); |
534 | else | |
535 | scm_array_fill_x (answer, prot); | |
536 | return answer; | |
537 | } | |
538 | else | |
539 | dims = scm_cons (dims, SCM_EOL); | |
cda139a7 | 540 | } |
0c95b57d GB |
541 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
542 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 543 | ra = scm_shap2ra (dims, FUNC_NAME); |
898a256f | 544 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
545 | s = SCM_ARRAY_DIMS (ra); |
546 | k = SCM_ARRAY_NDIM (ra); | |
547 | while (k--) | |
548 | { | |
549 | s[k].inc = (rlen > 0 ? rlen : 0); | |
550 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; | |
551 | vlen *= (s[k].ubnd - s[k].lbnd + 1); | |
552 | } | |
553 | if (rlen < SCM_LENGTH_MAX) | |
554 | SCM_ARRAY_V (ra) = scm_make_uve ((rlen > 0 ? rlen : 0L), prot); | |
555 | else | |
556 | { | |
557 | scm_sizet bit; | |
558 | switch (SCM_TYP7 (scm_make_uve (0L, prot))) | |
559 | { | |
560 | default: | |
561 | bit = SCM_LONG_BIT; | |
562 | break; | |
563 | case scm_tc7_bvect: | |
564 | bit = 1; | |
565 | break; | |
566 | case scm_tc7_string: | |
567 | bit = SCM_CHAR_BIT; | |
568 | break; | |
569 | case scm_tc7_fvect: | |
570 | bit = sizeof (float) * SCM_CHAR_BIT / sizeof (char); | |
571 | break; | |
572 | case scm_tc7_dvect: | |
573 | bit = sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
574 | break; | |
575 | case scm_tc7_cvect: | |
576 | bit = 2 * sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
577 | break; | |
578 | } | |
579 | SCM_ARRAY_BASE (ra) = (SCM_LONG_BIT + bit - 1) / bit; | |
580 | rlen += SCM_ARRAY_BASE (ra); | |
581 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); | |
582 | *((long *) SCM_VELTS (SCM_ARRAY_V (ra))) = rlen; | |
583 | } | |
5c11cc9d | 584 | if (!SCM_UNBNDP (fill)) |
0f2d19dd | 585 | { |
5c11cc9d | 586 | scm_array_fill_x (ra, fill); |
0f2d19dd | 587 | } |
0c95b57d | 588 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
589 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
590 | else | |
591 | scm_array_fill_x (ra, prot); | |
592 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) | |
593 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
594 | return SCM_ARRAY_V (ra); | |
595 | return ra; | |
596 | } | |
1bbd0b84 | 597 | #undef FUNC_NAME |
0f2d19dd | 598 | |
1cc91f1b | 599 | |
0f2d19dd | 600 | void |
1bbd0b84 | 601 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
602 | { |
603 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 604 | if (k) |
0f2d19dd | 605 | { |
fe0c6dae JB |
606 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
607 | while (k--) | |
0f2d19dd | 608 | { |
fe0c6dae JB |
609 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
610 | { | |
898a256f | 611 | SCM_SETAND_CAR (ra, ~SCM_ARRAY_CONTIGUOUS); |
fe0c6dae JB |
612 | return; |
613 | } | |
614 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
615 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 616 | } |
0f2d19dd | 617 | } |
898a256f | 618 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
619 | } |
620 | ||
621 | ||
3b3b36dd | 622 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 623 | (SCM oldra, SCM mapfunc, SCM dims), |
4079f87e GB |
624 | "@code{make-shared-array} can be used to create shared subarrays of other |
625 | arrays. The @var{mapper} is a function that translates coordinates in | |
626 | the new array into coordinates in the old array. A @var{mapper} must be | |
627 | linear, and its range must stay within the bounds of the old array, but | |
628 | it can be otherwise arbitrary. A simple example: | |
629 | @example | |
630 | (define fred (make-array #f 8 8)) | |
631 | (define freds-diagonal | |
632 | (make-shared-array fred (lambda (i) (list i i)) 8)) | |
633 | (array-set! freds-diagonal 'foo 3) | |
634 | (array-ref fred 3 3) @result{} foo | |
635 | (define freds-center | |
636 | (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2)) | |
637 | (array-ref freds-center 0 0) @result{} foo | |
638 | @end example") | |
1bbd0b84 | 639 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
640 | { |
641 | SCM ra; | |
642 | SCM inds, indptr; | |
643 | SCM imap; | |
644 | scm_sizet i, k; | |
645 | long old_min, new_min, old_max, new_max; | |
646 | scm_array_dim *s; | |
3b3b36dd GB |
647 | SCM_VALIDATE_ARRAY (1,oldra); |
648 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 649 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
650 | if (SCM_ARRAYP (oldra)) |
651 | { | |
652 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
653 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
654 | s = SCM_ARRAY_DIMS (oldra); | |
655 | k = SCM_ARRAY_NDIM (oldra); | |
656 | while (k--) | |
657 | { | |
658 | if (s[k].inc > 0) | |
659 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
660 | else | |
661 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
662 | } | |
663 | } | |
664 | else | |
665 | { | |
666 | SCM_ARRAY_V (ra) = oldra; | |
667 | old_min = 0; | |
668 | old_max = (long) SCM_LENGTH (oldra) - 1; | |
669 | } | |
670 | inds = SCM_EOL; | |
671 | s = SCM_ARRAY_DIMS (ra); | |
672 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
673 | { | |
674 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
675 | if (s[k].ubnd < s[k].lbnd) | |
676 | { | |
677 | if (1 == SCM_ARRAY_NDIM (ra)) | |
678 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
679 | else | |
680 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
681 | return ra; | |
682 | } | |
683 | } | |
92396c0a | 684 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 685 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 686 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
687 | else |
688 | { | |
689 | if (SCM_NINUMP (imap)) | |
690 | ||
691 | { | |
692 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 693 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
694 | imap = SCM_CAR (imap); |
695 | } | |
696 | i = SCM_INUM (imap); | |
697 | } | |
698 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
699 | indptr = inds; | |
700 | k = SCM_ARRAY_NDIM (ra); | |
701 | while (k--) | |
702 | { | |
703 | if (s[k].ubnd > s[k].lbnd) | |
704 | { | |
898a256f | 705 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
706 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
707 | if (SCM_ARRAYP (oldra)) | |
708 | ||
1bbd0b84 | 709 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
710 | else |
711 | { | |
712 | if (SCM_NINUMP (imap)) | |
713 | ||
714 | { | |
715 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 716 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
717 | imap = SCM_CAR (imap); |
718 | } | |
719 | s[k].inc = (long) SCM_INUM (imap) - i; | |
720 | } | |
721 | i += s[k].inc; | |
722 | if (s[k].inc > 0) | |
723 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
724 | else | |
725 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
726 | } | |
727 | else | |
728 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
729 | indptr = SCM_CDR (indptr); | |
730 | } | |
731 | SCM_ASSERT (old_min <= new_min && old_max >= new_max, SCM_UNDEFINED, | |
1bbd0b84 | 732 | "mapping out of range", FUNC_NAME); |
0f2d19dd JB |
733 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
734 | { | |
735 | if (1 == s->inc && 0 == s->lbnd | |
736 | && SCM_LENGTH (SCM_ARRAY_V (ra)) == 1 + s->ubnd) | |
737 | return SCM_ARRAY_V (ra); | |
738 | if (s->ubnd < s->lbnd) | |
739 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
740 | } | |
741 | scm_ra_set_contp (ra); | |
742 | return ra; | |
743 | } | |
1bbd0b84 | 744 | #undef FUNC_NAME |
0f2d19dd JB |
745 | |
746 | ||
747 | /* args are RA . DIMS */ | |
3b3b36dd | 748 | SCM_DEFINE (scm_transpose_array, "transpose-array", 0, 0, 1, |
1bbd0b84 | 749 | (SCM args), |
4079f87e GB |
750 | "Returns an array sharing contents with @var{array}, but with dimensions |
751 | arranged in a different order. There must be one @var{dim} argument for | |
752 | each dimension of @var{array}. @var{dim0}, @var{dim1}, @dots{} should | |
753 | be integers between 0 and the rank of the array to be returned. Each | |
754 | integer in that range must appear at least once in the argument list. | |
755 | ||
756 | The values of @var{dim0}, @var{dim1}, @dots{} correspond to dimensions | |
757 | in the array to be returned, their positions in the argument list to | |
758 | dimensions of @var{array}. Several @var{dim}s may have the same value, | |
759 | in which case the returned array will have smaller rank than | |
760 | @var{array}. | |
761 | ||
762 | examples: | |
763 | @example | |
764 | (transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d)) | |
765 | (transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d) | |
766 | (transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{} | |
767 | #2((a 4) (b 5) (c 6)) | |
768 | @end example") | |
1bbd0b84 | 769 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd JB |
770 | { |
771 | SCM ra, res, vargs, *ve = &vargs; | |
772 | scm_array_dim *s, *r; | |
773 | int ndim, i, k; | |
1bbd0b84 | 774 | SCM_ASSERT (SCM_NNULLP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 775 | SCM_WNA, NULL); |
0f2d19dd | 776 | ra = SCM_CAR (args); |
1bbd0b84 | 777 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 778 | args = SCM_CDR (args); |
f5bf2977 | 779 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
780 | { |
781 | default: | |
1bbd0b84 | 782 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
783 | case scm_tc7_bvect: |
784 | case scm_tc7_string: | |
785 | case scm_tc7_byvect: | |
786 | case scm_tc7_uvect: | |
787 | case scm_tc7_ivect: | |
788 | case scm_tc7_fvect: | |
789 | case scm_tc7_dvect: | |
790 | case scm_tc7_cvect: | |
791 | case scm_tc7_svect: | |
5c11cc9d | 792 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
793 | case scm_tc7_llvect: |
794 | #endif | |
f5bf2977 | 795 | SCM_ASSERT (SCM_NIMP (args) && SCM_NULLP (SCM_CDR (args)), |
1bbd0b84 | 796 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 797 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), SCM_CAR (args), SCM_ARG2, |
1bbd0b84 | 798 | FUNC_NAME); |
f5bf2977 | 799 | SCM_ASSERT (SCM_INUM0 == SCM_CAR (args), SCM_CAR (args), SCM_OUTOFRANGE, |
1bbd0b84 | 800 | FUNC_NAME); |
0f2d19dd JB |
801 | return ra; |
802 | case scm_tc7_smob: | |
803 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
804 | vargs = scm_vector (args); | |
f5bf2977 | 805 | SCM_ASSERT (SCM_LENGTH (vargs) == SCM_ARRAY_NDIM (ra), |
1bbd0b84 | 806 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 807 | ve = SCM_VELTS (vargs); |
0f2d19dd JB |
808 | ndim = 0; |
809 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
810 | { | |
20a54673 | 811 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 812 | FUNC_NAME); |
0f2d19dd | 813 | i = SCM_INUM (ve[k]); |
20a54673 | 814 | SCM_ASSERT (i >= 0 && i < SCM_ARRAY_NDIM (ra), ve[k], |
1bbd0b84 | 815 | SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
816 | if (ndim < i) |
817 | ndim = i; | |
818 | } | |
819 | ndim++; | |
820 | res = scm_make_ra (ndim); | |
821 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
822 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
823 | for (k = ndim; k--;) | |
824 | { | |
825 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
826 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
827 | } | |
828 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
829 | { | |
830 | i = SCM_INUM (ve[k]); | |
831 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
832 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
833 | if (r->ubnd < r->lbnd) | |
834 | { | |
835 | r->lbnd = s->lbnd; | |
836 | r->ubnd = s->ubnd; | |
837 | r->inc = s->inc; | |
838 | ndim--; | |
839 | } | |
840 | else | |
841 | { | |
842 | if (r->ubnd > s->ubnd) | |
843 | r->ubnd = s->ubnd; | |
844 | if (r->lbnd < s->lbnd) | |
845 | { | |
846 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
847 | r->lbnd = s->lbnd; | |
848 | } | |
849 | r->inc += s->inc; | |
850 | } | |
851 | } | |
1bbd0b84 | 852 | SCM_ASSERT (ndim <= 0, args, "bad argument list", FUNC_NAME); |
0f2d19dd JB |
853 | scm_ra_set_contp (res); |
854 | return res; | |
855 | } | |
856 | } | |
1bbd0b84 | 857 | #undef FUNC_NAME |
0f2d19dd JB |
858 | |
859 | /* args are RA . AXES */ | |
3b3b36dd | 860 | SCM_DEFINE (scm_enclose_array, "enclose-array", 0, 0, 1, |
1bbd0b84 | 861 | (SCM axes), |
4079f87e GB |
862 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than |
863 | the rank of @var{array}. @var{enclose-array} returns an array | |
864 | resembling an array of shared arrays. The dimensions of each shared | |
865 | array are the same as the @var{dim}th dimensions of the original array, | |
866 | the dimensions of the outer array are the same as those of the original | |
867 | array that did not match a @var{dim}. | |
868 | ||
869 | An enclosed array is not a general Scheme array. Its elements may not | |
870 | be set using @code{array-set!}. Two references to the same element of | |
871 | an enclosed array will be @code{equal?} but will not in general be | |
872 | @code{eq?}. The value returned by @var{array-prototype} when given an | |
873 | enclosed array is unspecified. | |
874 | ||
875 | examples: | |
876 | @example | |
877 | (enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{} | |
878 | #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))> | |
879 | ||
880 | (enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{} | |
881 | #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))> | |
882 | @end example") | |
1bbd0b84 | 883 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd JB |
884 | { |
885 | SCM axv, ra, res, ra_inr; | |
886 | scm_array_dim vdim, *s = &vdim; | |
887 | int ndim, j, k, ninr, noutr; | |
1bbd0b84 | 888 | SCM_ASSERT (SCM_NIMP (axes), scm_makfrom0str (FUNC_NAME), SCM_WNA, |
f5bf2977 | 889 | NULL); |
0f2d19dd JB |
890 | ra = SCM_CAR (axes); |
891 | axes = SCM_CDR (axes); | |
892 | if (SCM_NULLP (axes)) | |
0f2d19dd JB |
893 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
894 | ninr = scm_ilength (axes); | |
895 | ra_inr = scm_make_ra (ninr); | |
896 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
897 | switch SCM_TYP7 | |
898 | (ra) | |
899 | { | |
900 | default: | |
1bbd0b84 | 901 | badarg1:SCM_WTA (1,ra); |
0f2d19dd JB |
902 | case scm_tc7_string: |
903 | case scm_tc7_bvect: | |
904 | case scm_tc7_byvect: | |
905 | case scm_tc7_uvect: | |
906 | case scm_tc7_ivect: | |
907 | case scm_tc7_fvect: | |
908 | case scm_tc7_dvect: | |
909 | case scm_tc7_cvect: | |
910 | case scm_tc7_vector: | |
95f5b0f5 | 911 | case scm_tc7_wvect: |
0f2d19dd | 912 | case scm_tc7_svect: |
5c11cc9d | 913 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
914 | case scm_tc7_llvect: |
915 | #endif | |
916 | s->lbnd = 0; | |
917 | s->ubnd = SCM_LENGTH (ra) - 1; | |
918 | s->inc = 1; | |
919 | SCM_ARRAY_V (ra_inr) = ra; | |
920 | SCM_ARRAY_BASE (ra_inr) = 0; | |
921 | ndim = 1; | |
922 | break; | |
923 | case scm_tc7_smob: | |
924 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
925 | s = SCM_ARRAY_DIMS (ra); | |
926 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
927 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
928 | ndim = SCM_ARRAY_NDIM (ra); | |
929 | break; | |
930 | } | |
931 | noutr = ndim - ninr; | |
932 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKICHR (0)); | |
1bbd0b84 | 933 | SCM_ASSERT (0 <= noutr && 0 <= ninr, scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 934 | SCM_WNA, NULL); |
0f2d19dd JB |
935 | res = scm_make_ra (noutr); |
936 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
937 | SCM_ARRAY_V (res) = ra_inr; | |
938 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
939 | { | |
1bbd0b84 | 940 | SCM_ASSERT (SCM_INUMP (SCM_CAR (axes)), SCM_CAR (axes), "bad axis", FUNC_NAME); |
0f2d19dd JB |
941 | j = SCM_INUM (SCM_CAR (axes)); |
942 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
943 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
944 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
945 | SCM_CHARS (axv)[j] = 1; | |
946 | } | |
947 | for (j = 0, k = 0; k < noutr; k++, j++) | |
948 | { | |
949 | while (SCM_CHARS (axv)[j]) | |
950 | j++; | |
951 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
952 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
953 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
954 | } | |
955 | scm_ra_set_contp (ra_inr); | |
956 | scm_ra_set_contp (res); | |
957 | return res; | |
958 | } | |
1bbd0b84 | 959 | #undef FUNC_NAME |
0f2d19dd JB |
960 | |
961 | ||
962 | ||
3b3b36dd | 963 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 0, 0, 1, |
1bbd0b84 | 964 | (SCM args), |
4079f87e | 965 | "Returns @code{#t} if its arguments would be acceptable to array-ref.") |
1bbd0b84 | 966 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd JB |
967 | { |
968 | SCM v, ind = SCM_EOL; | |
969 | long pos = 0; | |
970 | register scm_sizet k; | |
971 | register long j; | |
972 | scm_array_dim *s; | |
1bbd0b84 | 973 | SCM_ASSERT (SCM_NIMP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 974 | SCM_WNA, NULL); |
0f2d19dd JB |
975 | v = SCM_CAR (args); |
976 | args = SCM_CDR (args); | |
977 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
978 | if (SCM_NIMP (args)) | |
979 | ||
980 | { | |
981 | ind = SCM_CAR (args); | |
982 | args = SCM_CDR (args); | |
1bbd0b84 | 983 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
984 | pos = SCM_INUM (ind); |
985 | } | |
986 | tail: | |
987 | switch SCM_TYP7 | |
988 | (v) | |
989 | { | |
990 | default: | |
1bbd0b84 GB |
991 | badarg1:SCM_WTA (1,v); |
992 | wna: scm_wrong_num_args (scm_makfrom0str (FUNC_NAME)); | |
0f2d19dd JB |
993 | case scm_tc7_smob: |
994 | k = SCM_ARRAY_NDIM (v); | |
995 | s = SCM_ARRAY_DIMS (v); | |
996 | pos = SCM_ARRAY_BASE (v); | |
997 | if (!k) | |
998 | { | |
999 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1000 | ind = SCM_INUM0; | |
1001 | } | |
1002 | else | |
1003 | while (!0) | |
1004 | { | |
1005 | j = SCM_INUM (ind); | |
1006 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1007 | { | |
1008 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1009 | return SCM_BOOL_F; | |
1010 | } | |
1011 | pos += (j - s->lbnd) * (s->inc); | |
1012 | if (!(--k && SCM_NIMP (args))) | |
1013 | break; | |
1014 | ind = SCM_CAR (args); | |
1015 | args = SCM_CDR (args); | |
1016 | s++; | |
1bbd0b84 | 1017 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
1018 | } |
1019 | SCM_ASRTGO (0 == k, wna); | |
1020 | v = SCM_ARRAY_V (v); | |
1021 | goto tail; | |
1022 | case scm_tc7_bvect: | |
1023 | case scm_tc7_string: | |
1024 | case scm_tc7_byvect: | |
1025 | case scm_tc7_uvect: | |
1026 | case scm_tc7_ivect: | |
1027 | case scm_tc7_fvect: | |
1028 | case scm_tc7_dvect: | |
1029 | case scm_tc7_cvect: | |
1030 | case scm_tc7_svect: | |
5c11cc9d | 1031 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1032 | case scm_tc7_llvect: |
1033 | #endif | |
1034 | case scm_tc7_vector: | |
95f5b0f5 | 1035 | case scm_tc7_wvect: |
0f2d19dd | 1036 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1bbd0b84 | 1037 | return SCM_BOOL(pos >= 0 && pos < SCM_LENGTH (v)); |
0f2d19dd JB |
1038 | } |
1039 | } | |
1bbd0b84 | 1040 | #undef FUNC_NAME |
0f2d19dd JB |
1041 | |
1042 | ||
1bbd0b84 | 1043 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1044 | |
1bbd0b84 | 1045 | |
3b3b36dd | 1046 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1047 | (SCM v, SCM args), |
4079f87e | 1048 | "Returns the element at the @code{(index1, index2)} element in @var{array}.") |
1bbd0b84 | 1049 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1050 | { |
1051 | long pos; | |
0f2d19dd | 1052 | |
35de7ebe | 1053 | if (SCM_IMP (v)) |
0f2d19dd JB |
1054 | { |
1055 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1056 | return v; | |
1057 | } | |
1058 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1059 | { |
1bbd0b84 | 1060 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1061 | v = SCM_ARRAY_V (v); |
1062 | } | |
1063 | else | |
1064 | { | |
1065 | if (SCM_NIMP (args)) | |
1066 | ||
1067 | { | |
1bbd0b84 | 1068 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1069 | pos = SCM_INUM (SCM_CAR (args)); |
1070 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1071 | } | |
1072 | else | |
1073 | { | |
3b3b36dd | 1074 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1075 | pos = SCM_INUM (args); |
1076 | } | |
1077 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1078 | } | |
1079 | switch SCM_TYP7 | |
1080 | (v) | |
1081 | { | |
1082 | default: | |
1083 | if (SCM_NULLP (args)) | |
1084 | return v; | |
35de7ebe | 1085 | badarg: |
1bbd0b84 | 1086 | SCM_WTA (1,v); |
35de7ebe | 1087 | abort (); |
1bbd0b84 GB |
1088 | outrng:scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); |
1089 | wna: scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1090 | case scm_tc7_smob: |
1091 | { /* enclosed */ | |
1092 | int k = SCM_ARRAY_NDIM (v); | |
1093 | SCM res = scm_make_ra (k); | |
1094 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1095 | SCM_ARRAY_BASE (res) = pos; | |
1096 | while (k--) | |
1097 | { | |
1098 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1099 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1100 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1101 | } | |
1102 | return res; | |
1103 | } | |
1104 | case scm_tc7_bvect: | |
1105 | if (SCM_VELTS (v)[pos / SCM_LONG_BIT] & (1L << (pos % SCM_LONG_BIT))) | |
1106 | return SCM_BOOL_T; | |
1107 | else | |
1108 | return SCM_BOOL_F; | |
1109 | case scm_tc7_string: | |
fc1d67c4 | 1110 | return SCM_MAKICHR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1111 | case scm_tc7_byvect: |
1112 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
1113 | # ifdef SCM_INUMS_ONLY | |
1114 | case scm_tc7_uvect: | |
1115 | case scm_tc7_ivect: | |
1116 | return SCM_MAKINUM (SCM_VELTS (v)[pos]); | |
1117 | # else | |
1118 | case scm_tc7_uvect: | |
1119 | return scm_ulong2num(SCM_VELTS(v)[pos]); | |
1120 | case scm_tc7_ivect: | |
1121 | return scm_long2num(SCM_VELTS(v)[pos]); | |
1122 | # endif | |
1123 | ||
1124 | case scm_tc7_svect: | |
1125 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1126 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1127 | case scm_tc7_llvect: |
1128 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1129 | #endif | |
1130 | ||
1131 | #ifdef SCM_FLOATS | |
1132 | #ifdef SCM_SINGLES | |
1133 | case scm_tc7_fvect: | |
1134 | return scm_makflo (((float *) SCM_CDR (v))[pos]); | |
1135 | #endif | |
1136 | case scm_tc7_dvect: | |
1137 | return scm_makdbl (((double *) SCM_CDR (v))[pos], 0.0); | |
1138 | case scm_tc7_cvect: | |
1139 | return scm_makdbl (((double *) SCM_CDR (v))[2 * pos], | |
1140 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
1141 | #endif | |
1142 | case scm_tc7_vector: | |
95f5b0f5 | 1143 | case scm_tc7_wvect: |
0f2d19dd JB |
1144 | return SCM_VELTS (v)[pos]; |
1145 | } | |
1146 | } | |
1bbd0b84 | 1147 | #undef FUNC_NAME |
0f2d19dd JB |
1148 | |
1149 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1150 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1151 | |
0f2d19dd | 1152 | SCM |
6e8d25a6 | 1153 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
0f2d19dd | 1154 | { |
5c11cc9d | 1155 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1156 | { |
1157 | default: | |
1158 | scm_wta (v, (char *) SCM_ARG1, "PROGRAMMING ERROR: scm_cvref"); | |
1159 | case scm_tc7_bvect: | |
1160 | if (SCM_VELTS (v)[pos / SCM_LONG_BIT] & (1L << (pos % SCM_LONG_BIT))) | |
1161 | return SCM_BOOL_T; | |
1162 | else | |
1163 | return SCM_BOOL_F; | |
1164 | case scm_tc7_string: | |
fc1d67c4 | 1165 | return SCM_MAKICHR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1166 | case scm_tc7_byvect: |
1167 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
1168 | # ifdef SCM_INUMS_ONLY | |
1169 | case scm_tc7_uvect: | |
1170 | case scm_tc7_ivect: | |
1171 | return SCM_MAKINUM (SCM_VELTS (v)[pos]); | |
1172 | # else | |
1173 | case scm_tc7_uvect: | |
1174 | return scm_ulong2num(SCM_VELTS(v)[pos]); | |
1175 | case scm_tc7_ivect: | |
1176 | return scm_long2num(SCM_VELTS(v)[pos]); | |
1177 | # endif | |
1178 | case scm_tc7_svect: | |
1179 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1180 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1181 | case scm_tc7_llvect: |
1182 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1183 | #endif | |
1184 | #ifdef SCM_FLOATS | |
1185 | #ifdef SCM_SINGLES | |
1186 | case scm_tc7_fvect: | |
1187 | if (SCM_NIMP (last) && (last != scm_flo0) && (scm_tc_flo == SCM_CAR (last))) | |
1188 | { | |
1189 | SCM_FLO (last) = ((float *) SCM_CDR (v))[pos]; | |
1190 | return last; | |
1191 | } | |
1192 | return scm_makflo (((float *) SCM_CDR (v))[pos]); | |
1193 | #endif | |
1194 | case scm_tc7_dvect: | |
1195 | #ifdef SCM_SINGLES | |
1196 | if (SCM_NIMP (last) && scm_tc_dblr == SCM_CAR (last)) | |
1197 | #else | |
1198 | if (SCM_NIMP (last) && (last != scm_flo0) && (scm_tc_dblr == SCM_CAR (last))) | |
1199 | #endif | |
1200 | { | |
1201 | SCM_REAL (last) = ((double *) SCM_CDR (v))[pos]; | |
1202 | return last; | |
1203 | } | |
1204 | return scm_makdbl (((double *) SCM_CDR (v))[pos], 0.0); | |
1205 | case scm_tc7_cvect: | |
1206 | if (SCM_NIMP (last) && scm_tc_dblc == SCM_CAR (last)) | |
1207 | { | |
1208 | SCM_REAL (last) = ((double *) SCM_CDR (v))[2 * pos]; | |
1209 | SCM_IMAG (last) = ((double *) SCM_CDR (v))[2 * pos + 1]; | |
1210 | return last; | |
1211 | } | |
1212 | return scm_makdbl (((double *) SCM_CDR (v))[2 * pos], | |
1213 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
1214 | #endif | |
1215 | case scm_tc7_vector: | |
95f5b0f5 | 1216 | case scm_tc7_wvect: |
0f2d19dd JB |
1217 | return SCM_VELTS (v)[pos]; |
1218 | case scm_tc7_smob: | |
1219 | { /* enclosed scm_array */ | |
1220 | int k = SCM_ARRAY_NDIM (v); | |
1221 | SCM res = scm_make_ra (k); | |
1222 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1223 | SCM_ARRAY_BASE (res) = pos; | |
1224 | while (k--) | |
1225 | { | |
1226 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1227 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1228 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1229 | } | |
1230 | return res; | |
1231 | } | |
1232 | } | |
1233 | } | |
1234 | ||
1bbd0b84 GB |
1235 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1236 | ||
1cc91f1b | 1237 | |
0aa0871f GH |
1238 | /* Note that args may be a list or an immediate object, depending which |
1239 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1240 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1241 | (SCM v, SCM obj, SCM args), |
4079f87e GB |
1242 | "Sets the element at the @code{(index1, index2)} element in @var{array} to |
1243 | @var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1244 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1245 | { |
f3667f52 | 1246 | long pos = 0; |
0f2d19dd JB |
1247 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1248 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1249 | { |
1bbd0b84 | 1250 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1251 | v = SCM_ARRAY_V (v); |
1252 | } | |
1253 | else | |
1254 | { | |
1255 | if (SCM_NIMP (args)) | |
0f2d19dd | 1256 | { |
0aa0871f | 1257 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1258 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1259 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1260 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1261 | } |
1262 | else | |
1263 | { | |
3b3b36dd | 1264 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd JB |
1265 | } |
1266 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1267 | } | |
1268 | switch (SCM_TYP7 (v)) | |
1269 | { | |
35de7ebe | 1270 | default: badarg1: |
1bbd0b84 | 1271 | SCM_WTA (1,v); |
35de7ebe | 1272 | abort (); |
1bbd0b84 GB |
1273 | outrng:scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); |
1274 | wna: scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1275 | case scm_tc7_smob: /* enclosed */ |
1276 | goto badarg1; | |
1277 | case scm_tc7_bvect: | |
1278 | if (SCM_BOOL_F == obj) | |
1279 | SCM_VELTS (v)[pos / SCM_LONG_BIT] &= ~(1L << (pos % SCM_LONG_BIT)); | |
1280 | else if (SCM_BOOL_T == obj) | |
1281 | SCM_VELTS (v)[pos / SCM_LONG_BIT] |= (1L << (pos % SCM_LONG_BIT)); | |
1282 | else | |
1bbd0b84 | 1283 | badobj:SCM_WTA (2,obj); |
0f2d19dd JB |
1284 | break; |
1285 | case scm_tc7_string: | |
0aa0871f | 1286 | SCM_ASRTGO (SCM_ICHRP (obj), badobj); |
fc1d67c4 | 1287 | SCM_UCHARS (v)[pos] = SCM_ICHR (obj); |
0f2d19dd JB |
1288 | break; |
1289 | case scm_tc7_byvect: | |
1290 | if (SCM_ICHRP (obj)) | |
b1d24656 | 1291 | obj = SCM_MAKINUM ((char) SCM_ICHR (obj)); |
0aa0871f | 1292 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1293 | ((char *)SCM_CHARS (v))[pos] = SCM_INUM (obj); |
1294 | break; | |
1295 | # ifdef SCM_INUMS_ONLY | |
1296 | case scm_tc7_uvect: | |
1bbd0b84 GB |
1297 | SCM_ASRTGO (SCM_INUM (obj) >= 0, badobj); |
1298 | /* fall through */ | |
0f2d19dd | 1299 | case scm_tc7_ivect: |
1bbd0b84 | 1300 | SCM_ASRTGO(SCM_INUMP(obj), badobj); SCM_VELTS(v)[pos] = SCM_INUM(obj); break; |
0f2d19dd | 1301 | # else |
1bbd0b84 GB |
1302 | case scm_tc7_uvect: |
1303 | SCM_VELTS(v)[pos] = scm_num2ulong(obj, (char *)SCM_ARG2, FUNC_NAME); break; | |
1304 | case scm_tc7_ivect: | |
1305 | SCM_VELTS(v)[pos] = scm_num2long(obj, (char *)SCM_ARG2, FUNC_NAME); break; | |
0f2d19dd | 1306 | # endif |
0f2d19dd | 1307 | case scm_tc7_svect: |
0aa0871f | 1308 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1309 | ((short *) SCM_CDR (v))[pos] = SCM_INUM (obj); |
1310 | break; | |
5c11cc9d | 1311 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1312 | case scm_tc7_llvect: |
1bbd0b84 | 1313 | ((long_long *) SCM_CDR (v))[pos] = scm_num2long_long (obj, (char *)SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1314 | break; |
1315 | #endif | |
1316 | ||
1317 | ||
1318 | #ifdef SCM_FLOATS | |
1319 | #ifdef SCM_SINGLES | |
1320 | case scm_tc7_fvect: | |
1bbd0b84 | 1321 | ((float *) SCM_CDR (v))[pos] = (float)scm_num2dbl(obj, FUNC_NAME); break; |
0f2d19dd JB |
1322 | break; |
1323 | #endif | |
1324 | case scm_tc7_dvect: | |
1bbd0b84 | 1325 | ((double *) SCM_CDR (v))[pos] = scm_num2dbl(obj, FUNC_NAME); break; |
0f2d19dd JB |
1326 | break; |
1327 | case scm_tc7_cvect: | |
0c95b57d | 1328 | SCM_ASRTGO (SCM_INEXP (obj), badobj); |
0f2d19dd JB |
1329 | ((double *) SCM_CDR (v))[2 * pos] = SCM_REALPART (obj); |
1330 | ((double *) SCM_CDR (v))[2 * pos + 1] = SCM_CPLXP (obj) ? SCM_IMAG (obj) : 0.0; | |
1331 | break; | |
1332 | #endif | |
1333 | case scm_tc7_vector: | |
95f5b0f5 | 1334 | case scm_tc7_wvect: |
0f2d19dd JB |
1335 | SCM_VELTS (v)[pos] = obj; |
1336 | break; | |
1337 | } | |
1338 | return SCM_UNSPECIFIED; | |
1339 | } | |
1bbd0b84 | 1340 | #undef FUNC_NAME |
0f2d19dd | 1341 | |
1d7bdb25 GH |
1342 | /* attempts to unroll an array into a one-dimensional array. |
1343 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1344 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1345 | wouldn't have contiguous elements. */ |
3b3b36dd | 1346 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1347 | (SCM ra, SCM strict), |
4079f87e GB |
1348 | "@deffnx primitive array-contents array strict |
1349 | If @var{array} may be @dfn{unrolled} into a one dimensional shared array | |
1350 | without changing their order (last subscript changing fastest), then | |
1351 | @code{array-contents} returns that shared array, otherwise it returns | |
1352 | @code{#f}. All arrays made by @var{make-array} and | |
1353 | @var{make-uniform-array} may be unrolled, some arrays made by | |
1354 | @var{make-shared-array} may not be. | |
1355 | ||
1356 | If the optional argument @var{strict} is provided, a shared array will | |
1357 | be returned only if its elements are stored internally contiguous in | |
1358 | memory.") | |
1bbd0b84 | 1359 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1360 | { |
1361 | SCM sra; | |
1362 | if (SCM_IMP (ra)) | |
f3667f52 | 1363 | return SCM_BOOL_F; |
5c11cc9d | 1364 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1365 | { |
1366 | default: | |
1367 | return SCM_BOOL_F; | |
1368 | case scm_tc7_vector: | |
95f5b0f5 | 1369 | case scm_tc7_wvect: |
0f2d19dd JB |
1370 | case scm_tc7_string: |
1371 | case scm_tc7_bvect: | |
1372 | case scm_tc7_byvect: | |
1373 | case scm_tc7_uvect: | |
1374 | case scm_tc7_ivect: | |
1375 | case scm_tc7_fvect: | |
1376 | case scm_tc7_dvect: | |
1377 | case scm_tc7_cvect: | |
1378 | case scm_tc7_svect: | |
5c11cc9d | 1379 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1380 | case scm_tc7_llvect: |
1381 | #endif | |
1382 | return ra; | |
1383 | case scm_tc7_smob: | |
1384 | { | |
1385 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1386 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1387 | return SCM_BOOL_F; | |
1388 | for (k = 0; k < ndim; k++) | |
1389 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1390 | if (!SCM_UNBNDP (strict)) | |
1391 | { | |
0f2d19dd JB |
1392 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1393 | return SCM_BOOL_F; | |
1394 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1395 | { | |
1396 | if (len != SCM_LENGTH (SCM_ARRAY_V (ra)) || | |
1397 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || | |
1398 | len % SCM_LONG_BIT) | |
1399 | return SCM_BOOL_F; | |
1400 | } | |
1401 | } | |
1402 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra))) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1403 | return SCM_ARRAY_V (ra); | |
1404 | sra = scm_make_ra (1); | |
1405 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1406 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1407 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1408 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1409 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1410 | return sra; | |
1411 | } | |
1412 | } | |
1413 | } | |
1bbd0b84 | 1414 | #undef FUNC_NAME |
0f2d19dd | 1415 | |
1cc91f1b | 1416 | |
0f2d19dd | 1417 | SCM |
6e8d25a6 | 1418 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1419 | { |
1420 | SCM ret; | |
1421 | long inc = 1; | |
1422 | scm_sizet k, len = 1; | |
1423 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1424 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1425 | k = SCM_ARRAY_NDIM (ra); | |
1426 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1427 | { | |
1428 | if (scm_tc7_bvect != SCM_TYP7 (ra)) | |
1429 | return ra; | |
1430 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra)) && | |
1431 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && | |
1432 | 0 == len % SCM_LONG_BIT)) | |
1433 | return ra; | |
1434 | } | |
1435 | ret = scm_make_ra (k); | |
1436 | SCM_ARRAY_BASE (ret) = 0; | |
1437 | while (k--) | |
1438 | { | |
1439 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1440 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1441 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1442 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1443 | } | |
1444 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1445 | if (copy) | |
1446 | scm_array_copy_x (ra, ret); | |
1447 | return ret; | |
1448 | } | |
1449 | ||
1450 | ||
1451 | ||
3b3b36dd | 1452 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1453 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
4079f87e GB |
1454 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end] |
1455 | Attempts to read all elements of @var{ura}, in lexicographic order, as | |
1456 | binary objects from @var{port-or-fdes}. | |
1457 | If an end of file is encountered during | |
1458 | uniform-array-read! the objects up to that point only are put into @var{ura} | |
1459 | (starting at the beginning) and the remainder of the array is | |
1460 | unchanged. | |
1461 | ||
1462 | The optional arguments @var{start} and @var{end} allow | |
1463 | a specified region of a vector (or linearized array) to be read, | |
1464 | leaving the remainder of the vector unchanged. | |
1465 | ||
1466 | @code{uniform-array-read!} returns the number of objects read. | |
1467 | @var{port-or-fdes} may be omitted, in which case it defaults to the value | |
1468 | returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1469 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1470 | { |
35de7ebe | 1471 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1472 | long sz, vlen, ans; |
1146b6cd GH |
1473 | long cstart = 0; |
1474 | long cend; | |
1475 | long offset = 0; | |
35de7ebe | 1476 | |
0f2d19dd | 1477 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1478 | if (SCM_UNBNDP (port_or_fd)) |
1479 | port_or_fd = scm_cur_inp; | |
1480 | else | |
1481 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1482 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1483 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df | 1484 | vlen = SCM_LENGTH (v); |
35de7ebe | 1485 | |
0f2d19dd | 1486 | loop: |
35de7ebe | 1487 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1488 | { |
1489 | default: | |
5d2d2ffc | 1490 | badarg1:SCM_WTA (SCM_ARG1,v); |
0f2d19dd JB |
1491 | case scm_tc7_smob: |
1492 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1493 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1494 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1495 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1496 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1497 | v = SCM_ARRAY_V (cra); | |
1498 | goto loop; | |
1499 | case scm_tc7_string: | |
1500 | case scm_tc7_byvect: | |
1501 | sz = sizeof (char); | |
1502 | break; | |
1503 | case scm_tc7_bvect: | |
3d8d56df | 1504 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1505 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1506 | case scm_tc7_uvect: |
1507 | case scm_tc7_ivect: | |
1508 | sz = sizeof (long); | |
1509 | break; | |
1510 | case scm_tc7_svect: | |
1511 | sz = sizeof (short); | |
1512 | break; | |
5c11cc9d | 1513 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1514 | case scm_tc7_llvect: |
1515 | sz = sizeof (long_long); | |
1516 | break; | |
1517 | #endif | |
1518 | #ifdef SCM_FLOATS | |
1519 | #ifdef SCM_SINGLES | |
1520 | case scm_tc7_fvect: | |
1521 | sz = sizeof (float); | |
1522 | break; | |
1523 | #endif | |
1524 | case scm_tc7_dvect: | |
1525 | sz = sizeof (double); | |
1526 | break; | |
1527 | case scm_tc7_cvect: | |
1528 | sz = 2 * sizeof (double); | |
1529 | break; | |
1530 | #endif | |
1531 | } | |
3d8d56df | 1532 | |
1146b6cd GH |
1533 | cend = vlen; |
1534 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1535 | { |
1146b6cd | 1536 | offset = |
4638e087 | 1537 | SCM_NUM2LONG (3, start); |
35de7ebe | 1538 | |
1146b6cd | 1539 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1540 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1541 | |
1542 | if (!SCM_UNBNDP (end)) | |
1543 | { | |
1544 | long tend = | |
4638e087 | 1545 | SCM_NUM2LONG (4, end); |
3d8d56df | 1546 | |
1146b6cd | 1547 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1548 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1549 | cend = tend; |
1550 | } | |
0f2d19dd | 1551 | } |
35de7ebe | 1552 | |
3d8d56df GH |
1553 | if (SCM_NIMP (port_or_fd)) |
1554 | { | |
6c951427 GH |
1555 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1556 | int remaining = (cend - offset) * sz; | |
1557 | char *dest = SCM_CHARS (v) + (cstart + offset) * sz; | |
1558 | ||
1559 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1560 | scm_flush (port_or_fd); |
6c951427 GH |
1561 | |
1562 | ans = cend - offset; | |
1563 | while (remaining > 0) | |
3d8d56df | 1564 | { |
6c951427 GH |
1565 | if (pt->read_pos < pt->read_end) |
1566 | { | |
1567 | int to_copy = min (pt->read_end - pt->read_pos, | |
1568 | remaining); | |
1569 | ||
1570 | memcpy (dest, pt->read_pos, to_copy); | |
1571 | pt->read_pos += to_copy; | |
1572 | remaining -= to_copy; | |
1573 | dest += to_copy; | |
1574 | } | |
1575 | else | |
1576 | { | |
affc96b5 | 1577 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1578 | { |
1579 | if (remaining % sz != 0) | |
1580 | { | |
5d2d2ffc | 1581 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1582 | } |
1583 | ans -= remaining / sz; | |
1584 | break; | |
1585 | } | |
6c951427 | 1586 | } |
3d8d56df | 1587 | } |
6c951427 GH |
1588 | |
1589 | if (pt->rw_random) | |
1590 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1591 | } |
1592 | else /* file descriptor. */ | |
1593 | { | |
1594 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1595 | SCM_CHARS (v) + (cstart + offset) * sz, |
1596 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1597 | if (ans == -1) |
1bbd0b84 | 1598 | SCM_SYSERROR; |
3d8d56df | 1599 | } |
0f2d19dd JB |
1600 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1601 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1602 | |
0f2d19dd JB |
1603 | if (v != ra && cra != ra) |
1604 | scm_array_copy_x (cra, ra); | |
35de7ebe | 1605 | |
0f2d19dd JB |
1606 | return SCM_MAKINUM (ans); |
1607 | } | |
1bbd0b84 | 1608 | #undef FUNC_NAME |
0f2d19dd | 1609 | |
3b3b36dd | 1610 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1611 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
4079f87e GB |
1612 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end] |
1613 | Writes all elements of @var{ura} as binary objects to | |
1614 | @var{port-or-fdes}. | |
1615 | ||
1616 | The optional arguments @var{start} | |
1617 | and @var{end} allow | |
1618 | a specified region of a vector (or linearized array) to be written. | |
1619 | ||
1620 | The number of objects actually written is returned. | |
1621 | @var{port-or-fdes} may be | |
1622 | omitted, in which case it defaults to the value returned by | |
1623 | @code{(current-output-port)}.") | |
1bbd0b84 | 1624 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1625 | { |
3d8d56df | 1626 | long sz, vlen, ans; |
1146b6cd GH |
1627 | long offset = 0; |
1628 | long cstart = 0; | |
1629 | long cend; | |
3d8d56df | 1630 | |
78446828 MV |
1631 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1632 | ||
0f2d19dd | 1633 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1634 | if (SCM_UNBNDP (port_or_fd)) |
1635 | port_or_fd = scm_cur_outp; | |
1636 | else | |
1637 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1638 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1639 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df GH |
1640 | vlen = SCM_LENGTH (v); |
1641 | ||
0f2d19dd | 1642 | loop: |
3d8d56df | 1643 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1644 | { |
1645 | default: | |
4638e087 | 1646 | badarg1:SCM_WTA (1, v); |
0f2d19dd JB |
1647 | case scm_tc7_smob: |
1648 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1649 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1650 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1651 | vlen = SCM_ARRAY_DIMS (v)->inc |
1652 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1653 | v = SCM_ARRAY_V (v); |
1654 | goto loop; | |
0f2d19dd | 1655 | case scm_tc7_string: |
3d8d56df | 1656 | case scm_tc7_byvect: |
0f2d19dd JB |
1657 | sz = sizeof (char); |
1658 | break; | |
1659 | case scm_tc7_bvect: | |
3d8d56df | 1660 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1661 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1662 | case scm_tc7_uvect: |
1663 | case scm_tc7_ivect: | |
1664 | sz = sizeof (long); | |
1665 | break; | |
1666 | case scm_tc7_svect: | |
1667 | sz = sizeof (short); | |
1668 | break; | |
5c11cc9d | 1669 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1670 | case scm_tc7_llvect: |
1671 | sz = sizeof (long_long); | |
1672 | break; | |
1673 | #endif | |
1674 | #ifdef SCM_FLOATS | |
1675 | #ifdef SCM_SINGLES | |
1676 | case scm_tc7_fvect: | |
1677 | sz = sizeof (float); | |
1678 | break; | |
1679 | #endif | |
1680 | case scm_tc7_dvect: | |
1681 | sz = sizeof (double); | |
1682 | break; | |
1683 | case scm_tc7_cvect: | |
1684 | sz = 2 * sizeof (double); | |
1685 | break; | |
1686 | #endif | |
1687 | } | |
3d8d56df | 1688 | |
1146b6cd GH |
1689 | cend = vlen; |
1690 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1691 | { |
1146b6cd | 1692 | offset = |
4638e087 | 1693 | SCM_NUM2LONG (3, start); |
3d8d56df | 1694 | |
1146b6cd | 1695 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1696 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1697 | |
1698 | if (!SCM_UNBNDP (end)) | |
1699 | { | |
1700 | long tend = | |
4638e087 | 1701 | SCM_NUM2LONG (4, end); |
3d8d56df | 1702 | |
1146b6cd | 1703 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1704 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1705 | cend = tend; |
1706 | } | |
3d8d56df GH |
1707 | } |
1708 | ||
1709 | if (SCM_NIMP (port_or_fd)) | |
1710 | { | |
6c951427 | 1711 | char *source = SCM_CHARS (v) + (cstart + offset) * sz; |
6c951427 GH |
1712 | |
1713 | ans = cend - offset; | |
265e6a4d | 1714 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1715 | } |
1716 | else /* file descriptor. */ | |
1717 | { | |
1718 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1719 | SCM_CHARS (v) + (cstart + offset) * sz, |
1720 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1721 | if (ans == -1) |
1bbd0b84 | 1722 | SCM_SYSERROR; |
3d8d56df | 1723 | } |
0f2d19dd JB |
1724 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1725 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1726 | |
0f2d19dd JB |
1727 | return SCM_MAKINUM (ans); |
1728 | } | |
1bbd0b84 | 1729 | #undef FUNC_NAME |
0f2d19dd JB |
1730 | |
1731 | ||
1732 | static char cnt_tab[16] = | |
1733 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1734 | ||
3b3b36dd | 1735 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
1bbd0b84 | 1736 | (SCM item, SCM seq), |
4079f87e | 1737 | "Returns the number occurrences of @var{bool} in @var{bv}.") |
1bbd0b84 | 1738 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd JB |
1739 | { |
1740 | long i; | |
1741 | register unsigned long cnt = 0, w; | |
3b3b36dd | 1742 | SCM_VALIDATE_INUM (2,seq); |
5c11cc9d | 1743 | switch SCM_TYP7 (seq) |
0f2d19dd JB |
1744 | { |
1745 | default: | |
1bbd0b84 | 1746 | SCM_WTA (2,seq); |
0f2d19dd JB |
1747 | case scm_tc7_bvect: |
1748 | if (0 == SCM_LENGTH (seq)) | |
1749 | return SCM_INUM0; | |
1750 | i = (SCM_LENGTH (seq) - 1) / SCM_LONG_BIT; | |
1751 | w = SCM_VELTS (seq)[i]; | |
1752 | if (SCM_FALSEP (item)) | |
1753 | w = ~w; | |
1754 | w <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (seq) - 1) % SCM_LONG_BIT); | |
1755 | while (!0) | |
1756 | { | |
1757 | for (; w; w >>= 4) | |
1758 | cnt += cnt_tab[w & 0x0f]; | |
1759 | if (0 == i--) | |
1760 | return SCM_MAKINUM (cnt); | |
1761 | w = SCM_VELTS (seq)[i]; | |
1762 | if (SCM_FALSEP (item)) | |
1763 | w = ~w; | |
1764 | } | |
1765 | } | |
1766 | } | |
1bbd0b84 | 1767 | #undef FUNC_NAME |
0f2d19dd JB |
1768 | |
1769 | ||
3b3b36dd | 1770 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1771 | (SCM item, SCM v, SCM k), |
4079f87e GB |
1772 | "Returns the minimum index of an occurrence of @var{bool} in @var{bv} |
1773 | which is at least @var{k}. If no @var{bool} occurs within the specified | |
1774 | range @code{#f} is returned.") | |
1bbd0b84 | 1775 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1776 | { |
1bbd0b84 | 1777 | long i, lenw, xbits, pos; |
0f2d19dd | 1778 | register unsigned long w; |
6b5a304f | 1779 | SCM_VALIDATE_NIM (2,v); |
3b3b36dd | 1780 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
0f2d19dd | 1781 | SCM_ASSERT ((pos <= SCM_LENGTH (v)) && (pos >= 0), |
1bbd0b84 | 1782 | k, SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1783 | if (pos == SCM_LENGTH (v)) |
1784 | return SCM_BOOL_F; | |
5c11cc9d | 1785 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1786 | { |
1787 | default: | |
1bbd0b84 | 1788 | SCM_WTA (2,v); |
0f2d19dd JB |
1789 | case scm_tc7_bvect: |
1790 | if (0 == SCM_LENGTH (v)) | |
1791 | return SCM_MAKINUM (-1L); | |
1792 | lenw = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1793 | i = pos / SCM_LONG_BIT; | |
1794 | w = SCM_VELTS (v)[i]; | |
1795 | if (SCM_FALSEP (item)) | |
1796 | w = ~w; | |
1797 | xbits = (pos % SCM_LONG_BIT); | |
1798 | pos -= xbits; | |
1799 | w = ((w >> xbits) << xbits); | |
1800 | xbits = SCM_LONG_BIT - 1 - (SCM_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1801 | while (!0) | |
1802 | { | |
1803 | if (w && (i == lenw)) | |
1804 | w = ((w << xbits) >> xbits); | |
1805 | if (w) | |
1806 | while (w) | |
1807 | switch (w & 0x0f) | |
1808 | { | |
1809 | default: | |
1810 | return SCM_MAKINUM (pos); | |
1811 | case 2: | |
1812 | case 6: | |
1813 | case 10: | |
1814 | case 14: | |
1815 | return SCM_MAKINUM (pos + 1); | |
1816 | case 4: | |
1817 | case 12: | |
1818 | return SCM_MAKINUM (pos + 2); | |
1819 | case 8: | |
1820 | return SCM_MAKINUM (pos + 3); | |
1821 | case 0: | |
1822 | pos += 4; | |
1823 | w >>= 4; | |
1824 | } | |
1825 | if (++i > lenw) | |
1826 | break; | |
1827 | pos += SCM_LONG_BIT; | |
1828 | w = SCM_VELTS (v)[i]; | |
1829 | if (SCM_FALSEP (item)) | |
1830 | w = ~w; | |
1831 | } | |
1832 | return SCM_BOOL_F; | |
1833 | } | |
1834 | } | |
1bbd0b84 | 1835 | #undef FUNC_NAME |
0f2d19dd JB |
1836 | |
1837 | ||
3b3b36dd | 1838 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
1bbd0b84 | 1839 | (SCM v, SCM kv, SCM obj), |
4079f87e GB |
1840 | "If uve is a bit-vector @var{bv} and uve must be of the same length. If |
1841 | @var{bool} is @code{#t}, uve is OR'ed into @var{bv}; If @var{bool} is @code{#f}, the | |
1842 | inversion of uve is AND'ed into @var{bv}. | |
1843 | ||
1844 | If uve is a unsigned integer vector all the elements of uve must be | |
1845 | between 0 and the @code{LENGTH} of @var{bv}. The bits of @var{bv} | |
1846 | corresponding to the indexes in uve are set to @var{bool}. | |
1847 | ||
1848 | The return value is unspecified.") | |
1bbd0b84 | 1849 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1850 | { |
1851 | register long i, k, vlen; | |
1852 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1853 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1854 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1855 | { |
1856 | default: | |
1bbd0b84 | 1857 | badarg2:SCM_WTA (2,kv); |
0f2d19dd | 1858 | case scm_tc7_uvect: |
5c11cc9d | 1859 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1860 | { |
1861 | default: | |
1bbd0b84 | 1862 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1863 | case scm_tc7_bvect: |
1864 | vlen = SCM_LENGTH (v); | |
1865 | if (SCM_BOOL_F == obj) | |
1866 | for (i = SCM_LENGTH (kv); i;) | |
1867 | { | |
1868 | k = SCM_VELTS (kv)[--i]; | |
1bbd0b84 | 1869 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1870 | SCM_VELTS (v)[k / SCM_LONG_BIT] &= ~(1L << (k % SCM_LONG_BIT)); |
1871 | } | |
1872 | else if (SCM_BOOL_T == obj) | |
1873 | for (i = SCM_LENGTH (kv); i;) | |
1874 | { | |
1875 | k = SCM_VELTS (kv)[--i]; | |
1bbd0b84 | 1876 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1877 | SCM_VELTS (v)[k / SCM_LONG_BIT] |= (1L << (k % SCM_LONG_BIT)); |
1878 | } | |
1879 | else | |
1bbd0b84 | 1880 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1881 | } |
1882 | break; | |
1883 | case scm_tc7_bvect: | |
1884 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1885 | if (SCM_BOOL_F == obj) | |
1886 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
1887 | SCM_VELTS (v)[k] &= ~(SCM_VELTS (kv)[k]); | |
1888 | else if (SCM_BOOL_T == obj) | |
1889 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
1890 | SCM_VELTS (v)[k] |= SCM_VELTS (kv)[k]; | |
1891 | else | |
1892 | goto badarg3; | |
1893 | break; | |
1894 | } | |
1895 | return SCM_UNSPECIFIED; | |
1896 | } | |
1bbd0b84 | 1897 | #undef FUNC_NAME |
0f2d19dd JB |
1898 | |
1899 | ||
3b3b36dd | 1900 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1901 | (SCM v, SCM kv, SCM obj), |
4079f87e GB |
1902 | "Returns |
1903 | @example | |
1904 | (bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t). | |
1905 | @end example | |
1906 | @var{bv} is not modified.") | |
1bbd0b84 | 1907 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1908 | { |
1909 | register long i, vlen, count = 0; | |
1910 | register unsigned long k; | |
1911 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1912 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1913 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1914 | { |
1915 | default: | |
1bbd0b84 | 1916 | badarg2:SCM_WTA (2,kv); |
0f2d19dd JB |
1917 | case scm_tc7_uvect: |
1918 | switch SCM_TYP7 | |
1919 | (v) | |
1920 | { | |
1921 | default: | |
1bbd0b84 | 1922 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1923 | case scm_tc7_bvect: |
1924 | vlen = SCM_LENGTH (v); | |
1925 | if (SCM_BOOL_F == obj) | |
1926 | for (i = SCM_LENGTH (kv); i;) | |
1927 | { | |
1928 | k = SCM_VELTS (kv)[--i]; | |
1bbd0b84 | 1929 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1930 | if (!(SCM_VELTS (v)[k / SCM_LONG_BIT] & (1L << (k % SCM_LONG_BIT)))) |
1931 | count++; | |
1932 | } | |
1933 | else if (SCM_BOOL_T == obj) | |
1934 | for (i = SCM_LENGTH (kv); i;) | |
1935 | { | |
1936 | k = SCM_VELTS (kv)[--i]; | |
1bbd0b84 | 1937 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1938 | if (SCM_VELTS (v)[k / SCM_LONG_BIT] & (1L << (k % SCM_LONG_BIT))) |
1939 | count++; | |
1940 | } | |
1941 | else | |
1bbd0b84 | 1942 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1943 | } |
1944 | break; | |
1945 | case scm_tc7_bvect: | |
1946 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1947 | if (0 == SCM_LENGTH (v)) | |
1948 | return SCM_INUM0; | |
1949 | SCM_ASRTGO (SCM_BOOL_T == obj || SCM_BOOL_F == obj, badarg3); | |
1950 | obj = (SCM_BOOL_T == obj); | |
1951 | i = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; | |
1952 | k = SCM_VELTS (kv)[i] & (obj ? SCM_VELTS (v)[i] : ~SCM_VELTS (v)[i]); | |
1953 | k <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (v) - 1) % SCM_LONG_BIT); | |
1954 | while (!0) | |
1955 | { | |
1956 | for (; k; k >>= 4) | |
1957 | count += cnt_tab[k & 0x0f]; | |
1958 | if (0 == i--) | |
1959 | return SCM_MAKINUM (count); | |
1960 | k = SCM_VELTS (kv)[i] & (obj ? SCM_VELTS (v)[i] : ~SCM_VELTS (v)[i]); | |
1961 | } | |
1962 | } | |
1963 | return SCM_MAKINUM (count); | |
1964 | } | |
1bbd0b84 | 1965 | #undef FUNC_NAME |
0f2d19dd JB |
1966 | |
1967 | ||
3b3b36dd | 1968 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1969 | (SCM v), |
4079f87e | 1970 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 1971 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd JB |
1972 | { |
1973 | register long k; | |
1974 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1975 | k = SCM_LENGTH (v); | |
1976 | switch SCM_TYP7 | |
1977 | (v) | |
1978 | { | |
1979 | case scm_tc7_bvect: | |
1980 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
1981 | SCM_VELTS (v)[k] = ~SCM_VELTS (v)[k]; | |
1982 | break; | |
1983 | default: | |
1bbd0b84 | 1984 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1985 | } |
1986 | return SCM_UNSPECIFIED; | |
1987 | } | |
1bbd0b84 | 1988 | #undef FUNC_NAME |
0f2d19dd JB |
1989 | |
1990 | ||
0f2d19dd | 1991 | SCM |
1bbd0b84 | 1992 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
1993 | { |
1994 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
1995 | long *data = (long *) SCM_VELTS (v); | |
1996 | register unsigned long mask; | |
1997 | register long k; | |
1998 | register long j; | |
1999 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
2000 | { | |
2001 | data[k] = 0L; | |
2002 | j = len - k * SCM_LONG_BIT; | |
2003 | if (j > SCM_LONG_BIT) | |
2004 | j = SCM_LONG_BIT; | |
2005 | for (mask = 1L; j--; mask <<= 1) | |
2006 | switch (*str++) | |
2007 | { | |
2008 | case '0': | |
2009 | break; | |
2010 | case '1': | |
2011 | data[k] |= mask; | |
2012 | break; | |
2013 | default: | |
2014 | return SCM_BOOL_F; | |
2015 | } | |
2016 | } | |
2017 | return v; | |
2018 | } | |
2019 | ||
2020 | ||
1cc91f1b | 2021 | |
0f2d19dd | 2022 | static SCM |
1bbd0b84 | 2023 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
2024 | { |
2025 | register SCM res = SCM_EOL; | |
2026 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2027 | register scm_sizet i; | |
2028 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
2029 | return SCM_EOL; | |
2030 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2031 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2032 | { | |
2033 | do | |
2034 | { | |
2035 | i -= inc; | |
2036 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2037 | } | |
2038 | while (i != base); | |
2039 | } | |
2040 | else | |
2041 | do | |
2042 | { | |
2043 | i -= inc; | |
2044 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2045 | } | |
2046 | while (i != base); | |
2047 | return res; | |
2048 | } | |
2049 | ||
2050 | ||
3b3b36dd | 2051 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2052 | (SCM v), |
4079f87e | 2053 | "Returns a list consisting of all the elements, in order, of @var{array}.") |
1bbd0b84 | 2054 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2055 | { |
2056 | SCM res = SCM_EOL; | |
2057 | register long k; | |
2058 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
2059 | switch SCM_TYP7 | |
2060 | (v) | |
2061 | { | |
2062 | default: | |
1bbd0b84 | 2063 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2064 | case scm_tc7_smob: |
2065 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2066 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2067 | case scm_tc7_vector: | |
95f5b0f5 | 2068 | case scm_tc7_wvect: |
0f2d19dd JB |
2069 | return scm_vector_to_list (v); |
2070 | case scm_tc7_string: | |
2071 | return scm_string_to_list (v); | |
2072 | case scm_tc7_bvect: | |
2073 | { | |
2074 | long *data = (long *) SCM_VELTS (v); | |
2075 | register unsigned long mask; | |
2076 | for (k = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
cdbadcac | 2077 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2078 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd | 2079 | for (mask = 1L << ((SCM_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2080 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2081 | return res; |
2082 | } | |
2083 | # ifdef SCM_INUMS_ONLY | |
2084 | case scm_tc7_uvect: | |
2085 | case scm_tc7_ivect: | |
2086 | { | |
2087 | long *data = (long *) SCM_VELTS (v); | |
2088 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2089 | res = scm_cons (SCM_MAKINUM (data[k]), res); | |
2090 | return res; | |
2091 | } | |
2092 | # else | |
2093 | case scm_tc7_uvect: { | |
2094 | long *data = (long *)SCM_VELTS(v); | |
2095 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2096 | res = scm_cons(scm_ulong2num(data[k]), res); | |
2097 | return res; | |
2098 | } | |
2099 | case scm_tc7_ivect: { | |
2100 | long *data = (long *)SCM_VELTS(v); | |
2101 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2102 | res = scm_cons(scm_long2num(data[k]), res); | |
2103 | return res; | |
2104 | } | |
2105 | # endif | |
2106 | case scm_tc7_svect: { | |
2107 | short *data; | |
2108 | data = (short *)SCM_VELTS(v); | |
2109 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2110 | res = scm_cons(SCM_MAKINUM (data[k]), res); | |
2111 | return res; | |
2112 | } | |
5c11cc9d | 2113 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2114 | case scm_tc7_llvect: { |
2115 | long_long *data; | |
2116 | data = (long_long *)SCM_VELTS(v); | |
2117 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2118 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2119 | return res; | |
2120 | } | |
2121 | #endif | |
2122 | ||
2123 | ||
2124 | #ifdef SCM_FLOATS | |
2125 | #ifdef SCM_SINGLES | |
2126 | case scm_tc7_fvect: | |
2127 | { | |
2128 | float *data = (float *) SCM_VELTS (v); | |
2129 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2130 | res = scm_cons (scm_makflo (data[k]), res); | |
2131 | return res; | |
2132 | } | |
2133 | #endif /*SCM_SINGLES*/ | |
2134 | case scm_tc7_dvect: | |
2135 | { | |
2136 | double *data = (double *) SCM_VELTS (v); | |
2137 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2138 | res = scm_cons (scm_makdbl (data[k], 0.0), res); | |
2139 | return res; | |
2140 | } | |
2141 | case scm_tc7_cvect: | |
2142 | { | |
2143 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
2144 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2145 | res = scm_cons (scm_makdbl (data[k][0], data[k][1]), res); | |
2146 | return res; | |
2147 | } | |
2148 | #endif /*SCM_FLOATS*/ | |
2149 | } | |
2150 | } | |
1bbd0b84 | 2151 | #undef FUNC_NAME |
0f2d19dd JB |
2152 | |
2153 | ||
20a54673 | 2154 | static char s_bad_ralst[] = "Bad scm_array contents list"; |
1cc91f1b | 2155 | |
1bbd0b84 | 2156 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2157 | |
3b3b36dd | 2158 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2159 | (SCM ndim, SCM prot, SCM lst), |
4079f87e GB |
2160 | "@deffnx procedure list->uniform-vector prot lst |
2161 | Returns a uniform array of the type indicated by prototype @var{prot} | |
2162 | with elements the same as those of @var{lst}. Elements must be of the | |
2163 | appropriate type, no coercions are done.") | |
1bbd0b84 | 2164 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2165 | { |
2166 | SCM shp = SCM_EOL; | |
2167 | SCM row = lst; | |
2168 | SCM ra; | |
2169 | scm_sizet k; | |
2170 | long n; | |
3b3b36dd | 2171 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2172 | while (k--) |
2173 | { | |
2174 | n = scm_ilength (row); | |
1bbd0b84 | 2175 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2176 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2177 | if (SCM_NIMP (row)) | |
2178 | row = SCM_CAR (row); | |
2179 | } | |
d12feca3 GH |
2180 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2181 | SCM_UNDEFINED); | |
0f2d19dd JB |
2182 | if (SCM_NULLP (shp)) |
2183 | ||
2184 | { | |
2185 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2186 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2187 | return ra; | |
2188 | } | |
2189 | if (!SCM_ARRAYP (ra)) | |
2190 | { | |
2191 | for (k = 0; k < SCM_LENGTH (ra); k++, lst = SCM_CDR (lst)) | |
2192 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); | |
2193 | return ra; | |
2194 | } | |
2195 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2196 | return ra; | |
2197 | else | |
1bbd0b84 | 2198 | badlst:scm_wta (lst, s_bad_ralst, FUNC_NAME); |
0f2d19dd JB |
2199 | return SCM_BOOL_F; |
2200 | } | |
1bbd0b84 | 2201 | #undef FUNC_NAME |
0f2d19dd | 2202 | |
0f2d19dd | 2203 | static int |
1bbd0b84 | 2204 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2205 | { |
2206 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2207 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2208 | int ok = 1; | |
2209 | if (n <= 0) | |
2210 | return (SCM_EOL == lst); | |
2211 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2212 | { | |
2213 | while (n--) | |
2214 | { | |
2215 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2216 | return 0; | |
2217 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2218 | base += inc; | |
2219 | lst = SCM_CDR (lst); | |
2220 | } | |
2221 | if (SCM_NNULLP (lst)) | |
2222 | return 0; | |
2223 | } | |
2224 | else | |
2225 | { | |
2226 | while (n--) | |
2227 | { | |
2228 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2229 | return 0; | |
2230 | ok = ok && scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); | |
2231 | base += inc; | |
2232 | lst = SCM_CDR (lst); | |
2233 | } | |
2234 | if (SCM_NNULLP (lst)) | |
2235 | return 0; | |
2236 | } | |
2237 | return ok; | |
2238 | } | |
2239 | ||
1cc91f1b | 2240 | |
0f2d19dd | 2241 | static void |
1bbd0b84 | 2242 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2243 | { |
2244 | long inc = 1; | |
2245 | long n = SCM_LENGTH (ra); | |
2246 | int enclosed = 0; | |
2247 | tail: | |
5c11cc9d | 2248 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2249 | { |
2250 | case scm_tc7_smob: | |
2251 | if (enclosed++) | |
2252 | { | |
2253 | SCM_ARRAY_BASE (ra) = j; | |
2254 | if (n-- > 0) | |
9882ea19 | 2255 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2256 | for (j += inc; n-- > 0; j += inc) |
2257 | { | |
b7f3516f | 2258 | scm_putc (' ', port); |
0f2d19dd | 2259 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2260 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2261 | } |
2262 | break; | |
2263 | } | |
2264 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2265 | { | |
2266 | long i; | |
2267 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2268 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2269 | { | |
b7f3516f | 2270 | scm_putc ('(', port); |
9882ea19 | 2271 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2272 | scm_puts (") ", port); |
0f2d19dd JB |
2273 | j += inc; |
2274 | } | |
2275 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2276 | { /* could be zero size. */ | |
b7f3516f | 2277 | scm_putc ('(', port); |
9882ea19 | 2278 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2279 | scm_putc (')', port); |
0f2d19dd JB |
2280 | } |
2281 | break; | |
2282 | } | |
2283 | if SCM_ARRAY_NDIM | |
2284 | (ra) | |
2285 | { /* Could be zero-dimensional */ | |
2286 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2287 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2288 | } | |
2289 | else | |
2290 | n = 1; | |
2291 | ra = SCM_ARRAY_V (ra); | |
2292 | goto tail; | |
2293 | default: | |
5c11cc9d | 2294 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2295 | if (n-- > 0) |
9882ea19 | 2296 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2297 | for (j += inc; n-- > 0; j += inc) |
2298 | { | |
b7f3516f | 2299 | scm_putc (' ', port); |
9882ea19 | 2300 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2301 | } |
2302 | break; | |
2303 | case scm_tc7_string: | |
2304 | if (n-- > 0) | |
fc1d67c4 | 2305 | scm_iprin1 (SCM_MAKICHR (SCM_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2306 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2307 | for (j += inc; n-- > 0; j += inc) |
2308 | { | |
b7f3516f | 2309 | scm_putc (' ', port); |
fc1d67c4 | 2310 | scm_iprin1 (SCM_MAKICHR (SCM_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2311 | } |
2312 | else | |
2313 | for (j += inc; n-- > 0; j += inc) | |
b7f3516f | 2314 | scm_putc (SCM_CHARS (ra)[j], port); |
0f2d19dd JB |
2315 | break; |
2316 | case scm_tc7_byvect: | |
2317 | if (n-- > 0) | |
2318 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); | |
2319 | for (j += inc; n-- > 0; j += inc) | |
2320 | { | |
b7f3516f | 2321 | scm_putc (' ', port); |
0f2d19dd JB |
2322 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); |
2323 | } | |
2324 | break; | |
2325 | ||
2326 | case scm_tc7_uvect: | |
5c11cc9d GH |
2327 | { |
2328 | char str[11]; | |
2329 | ||
2330 | if (n-- > 0) | |
2331 | { | |
2332 | /* intprint can't handle >= 2^31. */ | |
2333 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2334 | scm_puts (str, port); | |
2335 | } | |
2336 | for (j += inc; n-- > 0; j += inc) | |
2337 | { | |
2338 | scm_putc (' ', port); | |
2339 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2340 | scm_puts (str, port); | |
2341 | } | |
2342 | } | |
0f2d19dd JB |
2343 | case scm_tc7_ivect: |
2344 | if (n-- > 0) | |
2345 | scm_intprint (SCM_VELTS (ra)[j], 10, port); | |
2346 | for (j += inc; n-- > 0; j += inc) | |
2347 | { | |
b7f3516f | 2348 | scm_putc (' ', port); |
0f2d19dd JB |
2349 | scm_intprint (SCM_VELTS (ra)[j], 10, port); |
2350 | } | |
2351 | break; | |
2352 | ||
2353 | case scm_tc7_svect: | |
2354 | if (n-- > 0) | |
2355 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); | |
2356 | for (j += inc; n-- > 0; j += inc) | |
2357 | { | |
b7f3516f | 2358 | scm_putc (' ', port); |
0f2d19dd JB |
2359 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); |
2360 | } | |
2361 | break; | |
2362 | ||
2363 | #ifdef SCM_FLOATS | |
2364 | #ifdef SCM_SINGLES | |
2365 | case scm_tc7_fvect: | |
2366 | if (n-- > 0) | |
2367 | { | |
2368 | SCM z = scm_makflo (1.0); | |
2369 | SCM_FLO (z) = ((float *) SCM_VELTS (ra))[j]; | |
9882ea19 | 2370 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2371 | for (j += inc; n-- > 0; j += inc) |
2372 | { | |
b7f3516f | 2373 | scm_putc (' ', port); |
0f2d19dd | 2374 | SCM_FLO (z) = ((float *) SCM_VELTS (ra))[j]; |
9882ea19 | 2375 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2376 | } |
2377 | } | |
2378 | break; | |
2379 | #endif /*SCM_SINGLES*/ | |
2380 | case scm_tc7_dvect: | |
2381 | if (n-- > 0) | |
2382 | { | |
2383 | SCM z = scm_makdbl (1.0 / 3.0, 0.0); | |
2384 | SCM_REAL (z) = ((double *) SCM_VELTS (ra))[j]; | |
9882ea19 | 2385 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2386 | for (j += inc; n-- > 0; j += inc) |
2387 | { | |
b7f3516f | 2388 | scm_putc (' ', port); |
0f2d19dd | 2389 | SCM_REAL (z) = ((double *) SCM_VELTS (ra))[j]; |
9882ea19 | 2390 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2391 | } |
2392 | } | |
2393 | break; | |
2394 | case scm_tc7_cvect: | |
2395 | if (n-- > 0) | |
2396 | { | |
2397 | SCM cz = scm_makdbl (0.0, 1.0), z = scm_makdbl (1.0 / 3.0, 0.0); | |
2398 | SCM_REAL (z) = SCM_REAL (cz) = (((double *) SCM_VELTS (ra))[2 * j]); | |
2399 | SCM_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
9882ea19 | 2400 | scm_floprint ((0.0 == SCM_IMAG (cz) ? z : cz), port, pstate); |
0f2d19dd JB |
2401 | for (j += inc; n-- > 0; j += inc) |
2402 | { | |
b7f3516f | 2403 | scm_putc (' ', port); |
0f2d19dd JB |
2404 | SCM_REAL (z) = SCM_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; |
2405 | SCM_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
9882ea19 | 2406 | scm_floprint ((0.0 == SCM_IMAG (cz) ? z : cz), port, pstate); |
0f2d19dd JB |
2407 | } |
2408 | } | |
2409 | break; | |
2410 | #endif /*SCM_FLOATS*/ | |
2411 | } | |
2412 | } | |
2413 | ||
2414 | ||
1cc91f1b | 2415 | |
0f2d19dd | 2416 | int |
1bbd0b84 | 2417 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2418 | { |
2419 | SCM v = exp; | |
2420 | scm_sizet base = 0; | |
b7f3516f | 2421 | scm_putc ('#', port); |
0f2d19dd | 2422 | tail: |
5c11cc9d | 2423 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2424 | { |
2425 | case scm_tc7_smob: | |
2426 | { | |
2427 | long ndim = SCM_ARRAY_NDIM (v); | |
2428 | base = SCM_ARRAY_BASE (v); | |
2429 | v = SCM_ARRAY_V (v); | |
2430 | if (SCM_ARRAYP (v)) | |
2431 | ||
2432 | { | |
b7f3516f | 2433 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2434 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2435 | scm_putc ('>', port); |
0f2d19dd JB |
2436 | return 1; |
2437 | } | |
2438 | else | |
2439 | { | |
2440 | scm_intprint (ndim, 10, port); | |
2441 | goto tail; | |
2442 | } | |
2443 | } | |
2444 | case scm_tc7_bvect: | |
2445 | if (exp == v) | |
2446 | { /* a uve, not an scm_array */ | |
2447 | register long i, j, w; | |
b7f3516f | 2448 | scm_putc ('*', port); |
0f2d19dd JB |
2449 | for (i = 0; i < (SCM_LENGTH (exp)) / SCM_LONG_BIT; i++) |
2450 | { | |
2451 | w = SCM_VELTS (exp)[i]; | |
2452 | for (j = SCM_LONG_BIT; j; j--) | |
2453 | { | |
b7f3516f | 2454 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2455 | w >>= 1; |
2456 | } | |
2457 | } | |
2458 | j = SCM_LENGTH (exp) % SCM_LONG_BIT; | |
2459 | if (j) | |
2460 | { | |
2461 | w = SCM_VELTS (exp)[SCM_LENGTH (exp) / SCM_LONG_BIT]; | |
2462 | for (; j; j--) | |
2463 | { | |
b7f3516f | 2464 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2465 | w >>= 1; |
2466 | } | |
2467 | } | |
2468 | return 1; | |
2469 | } | |
2470 | else | |
b7f3516f | 2471 | scm_putc ('b', port); |
0f2d19dd JB |
2472 | break; |
2473 | case scm_tc7_string: | |
b7f3516f | 2474 | scm_putc ('a', port); |
0f2d19dd JB |
2475 | break; |
2476 | case scm_tc7_byvect: | |
05c33d09 | 2477 | scm_putc ('y', port); |
0f2d19dd JB |
2478 | break; |
2479 | case scm_tc7_uvect: | |
b7f3516f | 2480 | scm_putc ('u', port); |
0f2d19dd JB |
2481 | break; |
2482 | case scm_tc7_ivect: | |
b7f3516f | 2483 | scm_putc ('e', port); |
0f2d19dd JB |
2484 | break; |
2485 | case scm_tc7_svect: | |
05c33d09 | 2486 | scm_putc ('h', port); |
0f2d19dd | 2487 | break; |
5c11cc9d | 2488 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2489 | case scm_tc7_llvect: |
5c11cc9d | 2490 | scm_putc ('l', port); |
0f2d19dd JB |
2491 | break; |
2492 | #endif | |
2493 | #ifdef SCM_FLOATS | |
2494 | #ifdef SCM_SINGLES | |
2495 | case scm_tc7_fvect: | |
b7f3516f | 2496 | scm_putc ('s', port); |
0f2d19dd JB |
2497 | break; |
2498 | #endif /*SCM_SINGLES*/ | |
2499 | case scm_tc7_dvect: | |
b7f3516f | 2500 | scm_putc ('i', port); |
0f2d19dd JB |
2501 | break; |
2502 | case scm_tc7_cvect: | |
b7f3516f | 2503 | scm_putc ('c', port); |
0f2d19dd JB |
2504 | break; |
2505 | #endif /*SCM_FLOATS*/ | |
2506 | } | |
b7f3516f | 2507 | scm_putc ('(', port); |
9882ea19 | 2508 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2509 | scm_putc (')', port); |
0f2d19dd JB |
2510 | return 1; |
2511 | } | |
2512 | ||
3b3b36dd | 2513 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2514 | (SCM ra), |
4079f87e GB |
2515 | "Returns an object that would produce an array of the same type as |
2516 | @var{array}, if used as the @var{prototype} for | |
2517 | @code{make-uniform-array}.") | |
1bbd0b84 | 2518 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2519 | { |
2520 | int enclosed = 0; | |
2521 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2522 | loop: | |
2523 | switch SCM_TYP7 | |
2524 | (ra) | |
2525 | { | |
2526 | default: | |
1bbd0b84 | 2527 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
2528 | case scm_tc7_smob: |
2529 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2530 | if (enclosed++) | |
2531 | return SCM_UNSPECIFIED; | |
2532 | ra = SCM_ARRAY_V (ra); | |
2533 | goto loop; | |
2534 | case scm_tc7_vector: | |
95f5b0f5 | 2535 | case scm_tc7_wvect: |
0f2d19dd JB |
2536 | return SCM_EOL; |
2537 | case scm_tc7_bvect: | |
2538 | return SCM_BOOL_T; | |
2539 | case scm_tc7_string: | |
2540 | return SCM_MAKICHR ('a'); | |
2541 | case scm_tc7_byvect: | |
2542 | return SCM_MAKICHR ('\0'); | |
2543 | case scm_tc7_uvect: | |
2544 | return SCM_MAKINUM (1L); | |
2545 | case scm_tc7_ivect: | |
2546 | return SCM_MAKINUM (-1L); | |
2547 | case scm_tc7_svect: | |
2548 | return SCM_CDR (scm_intern ("s", 1)); | |
5c11cc9d | 2549 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2550 | case scm_tc7_llvect: |
2551 | return SCM_CDR (scm_intern ("l", 1)); | |
2552 | #endif | |
2553 | #ifdef SCM_FLOATS | |
2554 | #ifdef SCM_SINGLES | |
2555 | case scm_tc7_fvect: | |
2556 | return scm_makflo (1.0); | |
2557 | #endif | |
2558 | case scm_tc7_dvect: | |
2559 | return scm_makdbl (1.0 / 3.0, 0.0); | |
2560 | case scm_tc7_cvect: | |
2561 | return scm_makdbl (0.0, 1.0); | |
2562 | #endif | |
2563 | } | |
2564 | } | |
1bbd0b84 | 2565 | #undef FUNC_NAME |
0f2d19dd | 2566 | |
1cc91f1b | 2567 | |
0f2d19dd | 2568 | static SCM |
1bbd0b84 | 2569 | markra (SCM ptr) |
0f2d19dd | 2570 | { |
0f2d19dd JB |
2571 | return SCM_ARRAY_V (ptr); |
2572 | } | |
2573 | ||
1cc91f1b | 2574 | |
0f2d19dd | 2575 | static scm_sizet |
1bbd0b84 | 2576 | freera (SCM ptr) |
0f2d19dd JB |
2577 | { |
2578 | scm_must_free (SCM_CHARS (ptr)); | |
2579 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); | |
2580 | } | |
2581 | ||
0f2d19dd JB |
2582 | void |
2583 | scm_init_unif () | |
0f2d19dd | 2584 | { |
23a62151 MD |
2585 | scm_tc16_array = scm_make_smob_type_mfpe ("array", 0, |
2586 | markra, | |
2587 | freera, | |
2588 | scm_raprin1, | |
2589 | scm_array_equal_p); | |
0f2d19dd | 2590 | scm_add_feature ("array"); |
23a62151 | 2591 | #include "unif.x" |
0f2d19dd | 2592 | } |