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bc86da5d | 1 | /* Copyright (C) 1995,1996,1997,1998, 2000 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
c209c88e GB |
45 | /* |
46 | This file has code for arrays in lots of variants (double, integer, | |
47 | unsigned etc. ). It suffers from hugely repetitive code because | |
48 | there is similar (but different) code for every variant included. (urg.) | |
49 | ||
50 | --hwn | |
51 | */ | |
0f2d19dd JB |
52 | \f |
53 | ||
54 | #include <stdio.h> | |
55 | #include "_scm.h" | |
20e6290e JB |
56 | #include "chars.h" |
57 | #include "eval.h" | |
ee149d03 | 58 | #include "fports.h" |
20e6290e | 59 | #include "smob.h" |
20e6290e JB |
60 | #include "strop.h" |
61 | #include "feature.h" | |
ba11fd4c | 62 | #include "root.h" |
7ab3fdd5 | 63 | #include "strings.h" |
003d1fd0 | 64 | #include "vectors.h" |
20e6290e | 65 | |
b6791b2e | 66 | #include "validate.h" |
20e6290e | 67 | #include "unif.h" |
95b88819 | 68 | #include "ramap.h" |
0f2d19dd | 69 | |
3d8d56df GH |
70 | #ifdef HAVE_UNISTD_H |
71 | #include <unistd.h> | |
72 | #endif | |
73 | ||
0f2d19dd JB |
74 | \f |
75 | /* The set of uniform scm_vector types is: | |
76 | * Vector of: Called: | |
77 | * unsigned char string | |
78 | * char byvect | |
79 | * boolean bvect | |
a515d287 MD |
80 | * signed long ivect |
81 | * unsigned long uvect | |
0f2d19dd JB |
82 | * float fvect |
83 | * double dvect | |
84 | * complex double cvect | |
85 | * short svect | |
5c11cc9d | 86 | * long long llvect |
0f2d19dd JB |
87 | */ |
88 | ||
89 | long scm_tc16_array; | |
90 | ||
afe5177e GH |
91 | /* return the size of an element in a uniform array or 0 if type not |
92 | found. */ | |
93 | scm_sizet | |
94 | scm_uniform_element_size (SCM obj) | |
0f2d19dd | 95 | { |
afe5177e | 96 | scm_sizet result; |
0f2d19dd | 97 | |
afe5177e | 98 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 99 | { |
0f2d19dd | 100 | case scm_tc7_bvect: |
0f2d19dd JB |
101 | case scm_tc7_uvect: |
102 | case scm_tc7_ivect: | |
afe5177e | 103 | result = sizeof (long); |
0f2d19dd | 104 | break; |
afe5177e | 105 | |
0f2d19dd | 106 | case scm_tc7_byvect: |
afe5177e | 107 | result = sizeof (char); |
0f2d19dd JB |
108 | break; |
109 | ||
110 | case scm_tc7_svect: | |
afe5177e | 111 | result = sizeof (short); |
0f2d19dd | 112 | break; |
afe5177e | 113 | |
5c11cc9d | 114 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 115 | case scm_tc7_llvect: |
afe5177e | 116 | result = sizeof (long_long); |
0f2d19dd JB |
117 | break; |
118 | #endif | |
119 | ||
0f2d19dd | 120 | case scm_tc7_fvect: |
afe5177e | 121 | result = sizeof (float); |
0f2d19dd | 122 | break; |
afe5177e | 123 | |
0f2d19dd | 124 | case scm_tc7_dvect: |
afe5177e | 125 | result = sizeof (double); |
0f2d19dd | 126 | break; |
afe5177e | 127 | |
0f2d19dd | 128 | case scm_tc7_cvect: |
afe5177e | 129 | result = 2 * sizeof (double); |
0f2d19dd | 130 | break; |
afe5177e GH |
131 | |
132 | default: | |
133 | result = 0; | |
0f2d19dd | 134 | } |
afe5177e | 135 | return result; |
0f2d19dd JB |
136 | } |
137 | ||
bc86da5d MD |
138 | /* Silly function used not to modify the semantics of the silly |
139 | * prototype system in order to be backward compatible. | |
140 | */ | |
141 | static int | |
142 | singp (SCM obj) | |
0f2d19dd | 143 | { |
bc86da5d MD |
144 | if (!SCM_SLOPPY_REALP (obj)) |
145 | return 0; | |
146 | else | |
147 | { | |
148 | double x = SCM_REAL_VALUE (obj); | |
149 | float fx = x; | |
150 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
151 | } | |
0f2d19dd | 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 | } | |
7866a09b | 164 | else if (SCM_CHARP (prot) && (prot == SCM_MAKE_CHAR ('\0'))) |
0f2d19dd JB |
165 | { |
166 | i = sizeof (char) * k; | |
167 | type = scm_tc7_byvect; | |
168 | } | |
7866a09b | 169 | else if (SCM_CHARP (prot)) |
0f2d19dd JB |
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 | |
0f2d19dd | 205 | if (SCM_IMP (prot) || !SCM_INEXP (prot)) |
0f2d19dd | 206 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d GH |
207 | /* no special scm_vector */ |
208 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); | |
bc86da5d | 209 | else if (singp (prot)) |
0f2d19dd JB |
210 | { |
211 | i = sizeof (float) * k; | |
212 | type = scm_tc7_fvect; | |
213 | } | |
0f2d19dd JB |
214 | else if (SCM_CPLXP (prot)) |
215 | { | |
216 | i = 2 * sizeof (double) * k; | |
217 | type = scm_tc7_cvect; | |
218 | } | |
219 | else | |
220 | { | |
221 | i = sizeof (double) * k; | |
222 | type = scm_tc7_dvect; | |
223 | } | |
0f2d19dd JB |
224 | |
225 | SCM_NEWCELL (v); | |
226 | SCM_DEFER_INTS; | |
5c11cc9d | 227 | SCM_SETCHARS (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
0f2d19dd JB |
228 | SCM_SETLENGTH (v, (k < SCM_LENGTH_MAX ? k : SCM_LENGTH_MAX), type); |
229 | SCM_ALLOW_INTS; | |
230 | return v; | |
231 | } | |
232 | ||
3b3b36dd | 233 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1bbd0b84 | 234 | (SCM v), |
b380b885 | 235 | "Returns the number of elements in @var{uve}.") |
1bbd0b84 | 236 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
237 | { |
238 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
239 | switch SCM_TYP7 | |
240 | (v) | |
241 | { | |
242 | default: | |
1bbd0b84 | 243 | badarg1:SCM_WTA(1,v); |
0f2d19dd JB |
244 | case scm_tc7_bvect: |
245 | case scm_tc7_string: | |
246 | case scm_tc7_byvect: | |
247 | case scm_tc7_uvect: | |
248 | case scm_tc7_ivect: | |
249 | case scm_tc7_fvect: | |
250 | case scm_tc7_dvect: | |
251 | case scm_tc7_cvect: | |
252 | case scm_tc7_vector: | |
95f5b0f5 | 253 | case scm_tc7_wvect: |
0f2d19dd | 254 | case scm_tc7_svect: |
5c11cc9d | 255 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
256 | case scm_tc7_llvect: |
257 | #endif | |
258 | return SCM_MAKINUM (SCM_LENGTH (v)); | |
259 | } | |
260 | } | |
1bbd0b84 | 261 | #undef FUNC_NAME |
0f2d19dd | 262 | |
3b3b36dd | 263 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 264 | (SCM v, SCM prot), |
b380b885 MD |
265 | "Returns @code{#t} if the @var{obj} is an array, and @code{#f} if not.\n\n" |
266 | "The @var{prototype} argument is used with uniform arrays and is described\n" | |
267 | "elsewhere.") | |
1bbd0b84 | 268 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
269 | { |
270 | int nprot; | |
271 | int enclosed; | |
272 | nprot = SCM_UNBNDP (prot); | |
273 | enclosed = 0; | |
274 | if (SCM_IMP (v)) | |
275 | return SCM_BOOL_F; | |
c209c88e GB |
276 | |
277 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 278 | { |
0f2d19dd JB |
279 | if (!SCM_ARRAYP (v)) |
280 | return SCM_BOOL_F; | |
281 | if (nprot) | |
282 | return SCM_BOOL_T; | |
283 | if (enclosed++) | |
284 | return SCM_BOOL_F; | |
285 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
286 | } |
287 | if (nprot) | |
288 | return SCM_BOOL(nprot); | |
289 | else | |
290 | { | |
291 | int protp = 0; | |
292 | ||
293 | switch (SCM_TYP7 (v)) | |
294 | { | |
295 | case scm_tc7_bvect: | |
296 | protp = (SCM_BOOL_T==prot); | |
297 | case scm_tc7_string: | |
298 | protp = SCM_ICHRP(prot) && (prot != SCM_MAKICHR('\0')); | |
299 | case scm_tc7_byvect: | |
300 | protp = prot == SCM_MAKICHR('\0'); | |
301 | case scm_tc7_uvect: | |
302 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
303 | case scm_tc7_ivect: | |
304 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
305 | ||
306 | case scm_tc7_svect: | |
307 | protp = SCM_SYMBOLP (prot) | |
308 | && (1 == SCM_LENGTH (prot)) | |
309 | && ('s' == SCM_CHARS (prot)[0]); | |
5c11cc9d | 310 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
311 | case scm_tc7_llvect: |
312 | protp = SCM_SYMBOLP (prot) | |
313 | && (1 == SCM_LENGTH (prot)) | |
314 | && ('s' == SCM_CHARS (prot)[0]); | |
0f2d19dd | 315 | #endif |
c209c88e | 316 | case scm_tc7_fvect: |
bc86da5d | 317 | protp = singp (prot); |
c209c88e GB |
318 | case scm_tc7_dvect: |
319 | protp = SCM_REALP(prot); | |
320 | case scm_tc7_cvect: | |
321 | protp = SCM_CPLXP(prot); | |
c209c88e GB |
322 | case scm_tc7_vector: |
323 | case scm_tc7_wvect: | |
324 | protp = SCM_NULLP(prot); | |
325 | default: | |
326 | /* no default */ | |
327 | ; | |
328 | } | |
329 | return SCM_BOOL(protp); | |
0f2d19dd | 330 | } |
0f2d19dd | 331 | } |
1bbd0b84 | 332 | #undef FUNC_NAME |
0f2d19dd JB |
333 | |
334 | ||
3b3b36dd | 335 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 336 | (SCM ra), |
b380b885 MD |
337 | "Returns the number of dimensions of @var{obj}. If @var{obj} is not an\n" |
338 | "array, @code{0} is returned.") | |
1bbd0b84 | 339 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
340 | { |
341 | if (SCM_IMP (ra)) | |
1bbd0b84 | 342 | return SCM_INUM0; |
0f2d19dd JB |
343 | switch (SCM_TYP7 (ra)) |
344 | { | |
345 | default: | |
346 | return SCM_INUM0; | |
347 | case scm_tc7_string: | |
348 | case scm_tc7_vector: | |
95f5b0f5 | 349 | case scm_tc7_wvect: |
0f2d19dd JB |
350 | case scm_tc7_byvect: |
351 | case scm_tc7_uvect: | |
352 | case scm_tc7_ivect: | |
353 | case scm_tc7_fvect: | |
354 | case scm_tc7_cvect: | |
355 | case scm_tc7_dvect: | |
5c11cc9d | 356 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
357 | case scm_tc7_llvect: |
358 | #endif | |
359 | case scm_tc7_svect: | |
360 | return SCM_MAKINUM (1L); | |
361 | case scm_tc7_smob: | |
362 | if (SCM_ARRAYP (ra)) | |
363 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
364 | return SCM_INUM0; | |
365 | } | |
366 | } | |
1bbd0b84 | 367 | #undef FUNC_NAME |
0f2d19dd JB |
368 | |
369 | ||
3b3b36dd | 370 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 371 | (SCM ra), |
b380b885 MD |
372 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
373 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
374 | "@example\n" | |
375 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" | |
376 | "@end example") | |
1bbd0b84 | 377 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
378 | { |
379 | SCM res = SCM_EOL; | |
380 | scm_sizet k; | |
381 | scm_array_dim *s; | |
382 | if (SCM_IMP (ra)) | |
1bbd0b84 | 383 | return SCM_BOOL_F; |
0f2d19dd JB |
384 | switch (SCM_TYP7 (ra)) |
385 | { | |
386 | default: | |
387 | return SCM_BOOL_F; | |
388 | case scm_tc7_string: | |
389 | case scm_tc7_vector: | |
95f5b0f5 | 390 | case scm_tc7_wvect: |
0f2d19dd JB |
391 | case scm_tc7_bvect: |
392 | case scm_tc7_byvect: | |
393 | case scm_tc7_uvect: | |
394 | case scm_tc7_ivect: | |
395 | case scm_tc7_fvect: | |
396 | case scm_tc7_cvect: | |
397 | case scm_tc7_dvect: | |
398 | case scm_tc7_svect: | |
5c11cc9d | 399 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
400 | case scm_tc7_llvect: |
401 | #endif | |
402 | return scm_cons (SCM_MAKINUM (SCM_LENGTH (ra)), SCM_EOL); | |
403 | case scm_tc7_smob: | |
404 | if (!SCM_ARRAYP (ra)) | |
405 | return SCM_BOOL_F; | |
406 | k = SCM_ARRAY_NDIM (ra); | |
407 | s = SCM_ARRAY_DIMS (ra); | |
408 | while (k--) | |
409 | res = scm_cons (s[k].lbnd ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), SCM_MAKINUM (s[k].ubnd), SCM_EOL) : | |
410 | SCM_MAKINUM (1 + (s[k].ubnd)) | |
411 | , res); | |
412 | return res; | |
413 | } | |
414 | } | |
1bbd0b84 | 415 | #undef FUNC_NAME |
0f2d19dd JB |
416 | |
417 | ||
418 | static char s_bad_ind[] = "Bad scm_array index"; | |
419 | ||
1cc91f1b | 420 | |
0f2d19dd | 421 | long |
1bbd0b84 | 422 | scm_aind (SCM ra, SCM args, const char *what) |
0f2d19dd JB |
423 | { |
424 | SCM ind; | |
425 | register long j; | |
426 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
427 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
428 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
429 | if (SCM_INUMP (args)) | |
0f2d19dd | 430 | { |
f5bf2977 | 431 | SCM_ASSERT (1 == k, scm_makfrom0str (what), SCM_WNA, NULL); |
0f2d19dd JB |
432 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
433 | } | |
434 | while (k && SCM_NIMP (args)) | |
435 | { | |
436 | ind = SCM_CAR (args); | |
437 | args = SCM_CDR (args); | |
438 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, what); | |
439 | j = SCM_INUM (ind); | |
440 | SCM_ASSERT (j >= (s->lbnd) && j <= (s->ubnd), ind, SCM_OUTOFRANGE, what); | |
441 | pos += (j - s->lbnd) * (s->inc); | |
442 | k--; | |
443 | s++; | |
444 | } | |
f5bf2977 GH |
445 | SCM_ASSERT (0 == k && SCM_NULLP (args), scm_makfrom0str (what), SCM_WNA, |
446 | NULL); | |
0f2d19dd JB |
447 | return pos; |
448 | } | |
449 | ||
450 | ||
1cc91f1b | 451 | |
0f2d19dd | 452 | SCM |
1bbd0b84 | 453 | scm_make_ra (int ndim) |
0f2d19dd JB |
454 | { |
455 | SCM ra; | |
456 | SCM_NEWCELL (ra); | |
457 | SCM_DEFER_INTS; | |
23a62151 MD |
458 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
459 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 460 | "array")); |
0f2d19dd JB |
461 | SCM_ARRAY_V (ra) = scm_nullvect; |
462 | SCM_ALLOW_INTS; | |
463 | return ra; | |
464 | } | |
465 | ||
466 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
467 | /* Increments will still need to be set. */ | |
468 | ||
1cc91f1b | 469 | |
0f2d19dd | 470 | SCM |
1bbd0b84 | 471 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
472 | { |
473 | scm_array_dim *s; | |
474 | SCM ra, spec, sp; | |
475 | int ndim = scm_ilength (args); | |
476 | SCM_ASSERT (0 <= ndim, args, s_bad_spec, what); | |
477 | ra = scm_make_ra (ndim); | |
478 | SCM_ARRAY_BASE (ra) = 0; | |
479 | s = SCM_ARRAY_DIMS (ra); | |
480 | for (; SCM_NIMP (args); s++, args = SCM_CDR (args)) | |
481 | { | |
482 | spec = SCM_CAR (args); | |
483 | if (SCM_IMP (spec)) | |
484 | ||
485 | { | |
20a54673 GH |
486 | SCM_ASSERT (SCM_INUMP (spec) && SCM_INUM (spec) >= 0, spec, |
487 | s_bad_spec, what); | |
0f2d19dd JB |
488 | s->lbnd = 0; |
489 | s->ubnd = SCM_INUM (spec) - 1; | |
490 | s->inc = 1; | |
491 | } | |
492 | else | |
493 | { | |
20a54673 GH |
494 | SCM_ASSERT (SCM_CONSP (spec) && SCM_INUMP (SCM_CAR (spec)), spec, |
495 | s_bad_spec, what); | |
0f2d19dd JB |
496 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
497 | sp = SCM_CDR (spec); | |
0c95b57d | 498 | SCM_ASSERT (SCM_CONSP (sp) |
20a54673 GH |
499 | && SCM_INUMP (SCM_CAR (sp)) && SCM_NULLP (SCM_CDR (sp)), |
500 | spec, s_bad_spec, what); | |
0f2d19dd JB |
501 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
502 | s->inc = 1; | |
503 | } | |
504 | } | |
505 | return ra; | |
506 | } | |
507 | ||
3b3b36dd | 508 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1bbd0b84 | 509 | (SCM dims, SCM prot, SCM fill), |
b380b885 MD |
510 | "@deffnx primitive make-uniform-vector length prototype [fill]\n" |
511 | "Creates and returns a uniform array or vector of type corresponding to\n" | |
512 | "@var{prototype} with dimensions @var{dims} or length @var{length}. If\n" | |
513 | "@var{fill} is supplied, it's used to fill the array, otherwise \n" | |
514 | "@var{prototype} is used.") | |
1bbd0b84 | 515 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd JB |
516 | { |
517 | scm_sizet k, vlen = 1; | |
518 | long rlen = 1; | |
519 | scm_array_dim *s; | |
520 | SCM ra; | |
521 | if (SCM_INUMP (dims)) | |
cda139a7 | 522 | { |
0f2d19dd JB |
523 | if (SCM_INUM (dims) < SCM_LENGTH_MAX) |
524 | { | |
5c11cc9d GH |
525 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
526 | ||
527 | if (!SCM_UNBNDP (fill)) | |
528 | scm_array_fill_x (answer, fill); | |
0c95b57d | 529 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
530 | scm_array_fill_x (answer, SCM_MAKINUM (0)); |
531 | else | |
532 | scm_array_fill_x (answer, prot); | |
533 | return answer; | |
534 | } | |
535 | else | |
536 | dims = scm_cons (dims, SCM_EOL); | |
cda139a7 | 537 | } |
0c95b57d GB |
538 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
539 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 540 | ra = scm_shap2ra (dims, FUNC_NAME); |
898a256f | 541 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
542 | s = SCM_ARRAY_DIMS (ra); |
543 | k = SCM_ARRAY_NDIM (ra); | |
544 | while (k--) | |
545 | { | |
546 | s[k].inc = (rlen > 0 ? rlen : 0); | |
547 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; | |
548 | vlen *= (s[k].ubnd - s[k].lbnd + 1); | |
549 | } | |
550 | if (rlen < SCM_LENGTH_MAX) | |
551 | SCM_ARRAY_V (ra) = scm_make_uve ((rlen > 0 ? rlen : 0L), prot); | |
552 | else | |
553 | { | |
554 | scm_sizet bit; | |
555 | switch (SCM_TYP7 (scm_make_uve (0L, prot))) | |
556 | { | |
557 | default: | |
558 | bit = SCM_LONG_BIT; | |
559 | break; | |
560 | case scm_tc7_bvect: | |
561 | bit = 1; | |
562 | break; | |
563 | case scm_tc7_string: | |
564 | bit = SCM_CHAR_BIT; | |
565 | break; | |
566 | case scm_tc7_fvect: | |
567 | bit = sizeof (float) * SCM_CHAR_BIT / sizeof (char); | |
568 | break; | |
569 | case scm_tc7_dvect: | |
570 | bit = sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
571 | break; | |
572 | case scm_tc7_cvect: | |
573 | bit = 2 * sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
574 | break; | |
575 | } | |
576 | SCM_ARRAY_BASE (ra) = (SCM_LONG_BIT + bit - 1) / bit; | |
577 | rlen += SCM_ARRAY_BASE (ra); | |
578 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); | |
579 | *((long *) SCM_VELTS (SCM_ARRAY_V (ra))) = rlen; | |
580 | } | |
5c11cc9d | 581 | if (!SCM_UNBNDP (fill)) |
0f2d19dd | 582 | { |
5c11cc9d | 583 | scm_array_fill_x (ra, fill); |
0f2d19dd | 584 | } |
0c95b57d | 585 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
586 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
587 | else | |
588 | scm_array_fill_x (ra, prot); | |
589 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) | |
590 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
591 | return SCM_ARRAY_V (ra); | |
592 | return ra; | |
593 | } | |
1bbd0b84 | 594 | #undef FUNC_NAME |
0f2d19dd | 595 | |
1cc91f1b | 596 | |
0f2d19dd | 597 | void |
1bbd0b84 | 598 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
599 | { |
600 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 601 | if (k) |
0f2d19dd | 602 | { |
fe0c6dae JB |
603 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
604 | while (k--) | |
0f2d19dd | 605 | { |
fe0c6dae JB |
606 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
607 | { | |
898a256f | 608 | SCM_SETAND_CAR (ra, ~SCM_ARRAY_CONTIGUOUS); |
fe0c6dae JB |
609 | return; |
610 | } | |
611 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
612 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 613 | } |
0f2d19dd | 614 | } |
898a256f | 615 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
616 | } |
617 | ||
618 | ||
3b3b36dd | 619 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 620 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
621 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
622 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
623 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
624 | "linear, and its range must stay within the bounds of the old array, but\n" | |
625 | "it can be otherwise arbitrary. A simple example:\n" | |
626 | "@example\n" | |
627 | "(define fred (make-array #f 8 8))\n" | |
628 | "(define freds-diagonal\n" | |
629 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
630 | "(array-set! freds-diagonal 'foo 3)\n" | |
631 | "(array-ref fred 3 3) @result{} foo\n" | |
632 | "(define freds-center\n" | |
633 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
634 | "(array-ref freds-center 0 0) @result{} foo\n" | |
635 | "@end example") | |
1bbd0b84 | 636 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
637 | { |
638 | SCM ra; | |
639 | SCM inds, indptr; | |
640 | SCM imap; | |
641 | scm_sizet i, k; | |
642 | long old_min, new_min, old_max, new_max; | |
643 | scm_array_dim *s; | |
3b3b36dd GB |
644 | SCM_VALIDATE_ARRAY (1,oldra); |
645 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 646 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
647 | if (SCM_ARRAYP (oldra)) |
648 | { | |
649 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
650 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
651 | s = SCM_ARRAY_DIMS (oldra); | |
652 | k = SCM_ARRAY_NDIM (oldra); | |
653 | while (k--) | |
654 | { | |
655 | if (s[k].inc > 0) | |
656 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
657 | else | |
658 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
659 | } | |
660 | } | |
661 | else | |
662 | { | |
663 | SCM_ARRAY_V (ra) = oldra; | |
664 | old_min = 0; | |
665 | old_max = (long) SCM_LENGTH (oldra) - 1; | |
666 | } | |
667 | inds = SCM_EOL; | |
668 | s = SCM_ARRAY_DIMS (ra); | |
669 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
670 | { | |
671 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
672 | if (s[k].ubnd < s[k].lbnd) | |
673 | { | |
674 | if (1 == SCM_ARRAY_NDIM (ra)) | |
675 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
676 | else | |
677 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
678 | return ra; | |
679 | } | |
680 | } | |
92396c0a | 681 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 682 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 683 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
684 | else |
685 | { | |
686 | if (SCM_NINUMP (imap)) | |
687 | ||
688 | { | |
689 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 690 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
691 | imap = SCM_CAR (imap); |
692 | } | |
693 | i = SCM_INUM (imap); | |
694 | } | |
695 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
696 | indptr = inds; | |
697 | k = SCM_ARRAY_NDIM (ra); | |
698 | while (k--) | |
699 | { | |
700 | if (s[k].ubnd > s[k].lbnd) | |
701 | { | |
898a256f | 702 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
703 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
704 | if (SCM_ARRAYP (oldra)) | |
705 | ||
1bbd0b84 | 706 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
707 | else |
708 | { | |
709 | if (SCM_NINUMP (imap)) | |
710 | ||
711 | { | |
712 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 713 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
714 | imap = SCM_CAR (imap); |
715 | } | |
716 | s[k].inc = (long) SCM_INUM (imap) - i; | |
717 | } | |
718 | i += s[k].inc; | |
719 | if (s[k].inc > 0) | |
720 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
721 | else | |
722 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
723 | } | |
724 | else | |
725 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
726 | indptr = SCM_CDR (indptr); | |
727 | } | |
728 | SCM_ASSERT (old_min <= new_min && old_max >= new_max, SCM_UNDEFINED, | |
1bbd0b84 | 729 | "mapping out of range", FUNC_NAME); |
0f2d19dd JB |
730 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
731 | { | |
732 | if (1 == s->inc && 0 == s->lbnd | |
733 | && SCM_LENGTH (SCM_ARRAY_V (ra)) == 1 + s->ubnd) | |
734 | return SCM_ARRAY_V (ra); | |
735 | if (s->ubnd < s->lbnd) | |
736 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
737 | } | |
738 | scm_ra_set_contp (ra); | |
739 | return ra; | |
740 | } | |
1bbd0b84 | 741 | #undef FUNC_NAME |
0f2d19dd JB |
742 | |
743 | ||
744 | /* args are RA . DIMS */ | |
3b3b36dd | 745 | SCM_DEFINE (scm_transpose_array, "transpose-array", 0, 0, 1, |
1bbd0b84 | 746 | (SCM args), |
b380b885 MD |
747 | "Returns an array sharing contents with @var{array}, but with dimensions\n" |
748 | "arranged in a different order. There must be one @var{dim} argument for\n" | |
749 | "each dimension of @var{array}. @var{dim0}, @var{dim1}, @dots{} should\n" | |
750 | "be integers between 0 and the rank of the array to be returned. Each\n" | |
751 | "integer in that range must appear at least once in the argument list.\n\n" | |
752 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to dimensions\n" | |
753 | "in the array to be returned, their positions in the argument list to\n" | |
754 | "dimensions of @var{array}. Several @var{dim}s may have the same value,\n" | |
755 | "in which case the returned array will have smaller rank than\n" | |
756 | "@var{array}.\n\n" | |
757 | "examples:\n" | |
758 | "@example\n" | |
759 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" | |
760 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
761 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
762 | " #2((a 4) (b 5) (c 6))\n" | |
763 | "@end example") | |
1bbd0b84 | 764 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd JB |
765 | { |
766 | SCM ra, res, vargs, *ve = &vargs; | |
767 | scm_array_dim *s, *r; | |
768 | int ndim, i, k; | |
1bbd0b84 | 769 | SCM_ASSERT (SCM_NNULLP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 770 | SCM_WNA, NULL); |
0f2d19dd | 771 | ra = SCM_CAR (args); |
1bbd0b84 | 772 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 773 | args = SCM_CDR (args); |
f5bf2977 | 774 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
775 | { |
776 | default: | |
1bbd0b84 | 777 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
778 | case scm_tc7_bvect: |
779 | case scm_tc7_string: | |
780 | case scm_tc7_byvect: | |
781 | case scm_tc7_uvect: | |
782 | case scm_tc7_ivect: | |
783 | case scm_tc7_fvect: | |
784 | case scm_tc7_dvect: | |
785 | case scm_tc7_cvect: | |
786 | case scm_tc7_svect: | |
5c11cc9d | 787 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
788 | case scm_tc7_llvect: |
789 | #endif | |
f5bf2977 | 790 | SCM_ASSERT (SCM_NIMP (args) && SCM_NULLP (SCM_CDR (args)), |
1bbd0b84 | 791 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 792 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), SCM_CAR (args), SCM_ARG2, |
1bbd0b84 | 793 | FUNC_NAME); |
f5bf2977 | 794 | SCM_ASSERT (SCM_INUM0 == SCM_CAR (args), SCM_CAR (args), SCM_OUTOFRANGE, |
1bbd0b84 | 795 | FUNC_NAME); |
0f2d19dd JB |
796 | return ra; |
797 | case scm_tc7_smob: | |
798 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
799 | vargs = scm_vector (args); | |
f5bf2977 | 800 | SCM_ASSERT (SCM_LENGTH (vargs) == SCM_ARRAY_NDIM (ra), |
1bbd0b84 | 801 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 802 | ve = SCM_VELTS (vargs); |
0f2d19dd JB |
803 | ndim = 0; |
804 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
805 | { | |
20a54673 | 806 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 807 | FUNC_NAME); |
0f2d19dd | 808 | i = SCM_INUM (ve[k]); |
20a54673 | 809 | SCM_ASSERT (i >= 0 && i < SCM_ARRAY_NDIM (ra), ve[k], |
1bbd0b84 | 810 | SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
811 | if (ndim < i) |
812 | ndim = i; | |
813 | } | |
814 | ndim++; | |
815 | res = scm_make_ra (ndim); | |
816 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
817 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
818 | for (k = ndim; k--;) | |
819 | { | |
820 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
821 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
822 | } | |
823 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
824 | { | |
825 | i = SCM_INUM (ve[k]); | |
826 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
827 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
828 | if (r->ubnd < r->lbnd) | |
829 | { | |
830 | r->lbnd = s->lbnd; | |
831 | r->ubnd = s->ubnd; | |
832 | r->inc = s->inc; | |
833 | ndim--; | |
834 | } | |
835 | else | |
836 | { | |
837 | if (r->ubnd > s->ubnd) | |
838 | r->ubnd = s->ubnd; | |
839 | if (r->lbnd < s->lbnd) | |
840 | { | |
841 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
842 | r->lbnd = s->lbnd; | |
843 | } | |
844 | r->inc += s->inc; | |
845 | } | |
846 | } | |
1bbd0b84 | 847 | SCM_ASSERT (ndim <= 0, args, "bad argument list", FUNC_NAME); |
0f2d19dd JB |
848 | scm_ra_set_contp (res); |
849 | return res; | |
850 | } | |
851 | } | |
1bbd0b84 | 852 | #undef FUNC_NAME |
0f2d19dd JB |
853 | |
854 | /* args are RA . AXES */ | |
3b3b36dd | 855 | SCM_DEFINE (scm_enclose_array, "enclose-array", 0, 0, 1, |
1bbd0b84 | 856 | (SCM axes), |
b380b885 MD |
857 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
858 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
859 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
860 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
861 | "the dimensions of the outer array are the same as those of the original\n" | |
862 | "array that did not match a @var{dim}.\n\n" | |
863 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
864 | "be set using @code{array-set!}. Two references to the same element of\n" | |
865 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
866 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
867 | "enclosed array is unspecified.\n\n" | |
868 | "examples:\n" | |
869 | "@example\n" | |
870 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" | |
871 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
872 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
873 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
874 | "@end example") | |
1bbd0b84 | 875 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd JB |
876 | { |
877 | SCM axv, ra, res, ra_inr; | |
878 | scm_array_dim vdim, *s = &vdim; | |
879 | int ndim, j, k, ninr, noutr; | |
1bbd0b84 | 880 | SCM_ASSERT (SCM_NIMP (axes), scm_makfrom0str (FUNC_NAME), SCM_WNA, |
f5bf2977 | 881 | NULL); |
0f2d19dd JB |
882 | ra = SCM_CAR (axes); |
883 | axes = SCM_CDR (axes); | |
884 | if (SCM_NULLP (axes)) | |
0f2d19dd JB |
885 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
886 | ninr = scm_ilength (axes); | |
887 | ra_inr = scm_make_ra (ninr); | |
888 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
889 | switch SCM_TYP7 | |
890 | (ra) | |
891 | { | |
892 | default: | |
1bbd0b84 | 893 | badarg1:SCM_WTA (1,ra); |
0f2d19dd JB |
894 | case scm_tc7_string: |
895 | case scm_tc7_bvect: | |
896 | case scm_tc7_byvect: | |
897 | case scm_tc7_uvect: | |
898 | case scm_tc7_ivect: | |
899 | case scm_tc7_fvect: | |
900 | case scm_tc7_dvect: | |
901 | case scm_tc7_cvect: | |
902 | case scm_tc7_vector: | |
95f5b0f5 | 903 | case scm_tc7_wvect: |
0f2d19dd | 904 | case scm_tc7_svect: |
5c11cc9d | 905 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
906 | case scm_tc7_llvect: |
907 | #endif | |
908 | s->lbnd = 0; | |
909 | s->ubnd = SCM_LENGTH (ra) - 1; | |
910 | s->inc = 1; | |
911 | SCM_ARRAY_V (ra_inr) = ra; | |
912 | SCM_ARRAY_BASE (ra_inr) = 0; | |
913 | ndim = 1; | |
914 | break; | |
915 | case scm_tc7_smob: | |
916 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
917 | s = SCM_ARRAY_DIMS (ra); | |
918 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
919 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
920 | ndim = SCM_ARRAY_NDIM (ra); | |
921 | break; | |
922 | } | |
923 | noutr = ndim - ninr; | |
7866a09b | 924 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
1bbd0b84 | 925 | SCM_ASSERT (0 <= noutr && 0 <= ninr, scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 926 | SCM_WNA, NULL); |
0f2d19dd JB |
927 | res = scm_make_ra (noutr); |
928 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
929 | SCM_ARRAY_V (res) = ra_inr; | |
930 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
931 | { | |
1bbd0b84 | 932 | SCM_ASSERT (SCM_INUMP (SCM_CAR (axes)), SCM_CAR (axes), "bad axis", FUNC_NAME); |
0f2d19dd JB |
933 | j = SCM_INUM (SCM_CAR (axes)); |
934 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
935 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
936 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
937 | SCM_CHARS (axv)[j] = 1; | |
938 | } | |
939 | for (j = 0, k = 0; k < noutr; k++, j++) | |
940 | { | |
941 | while (SCM_CHARS (axv)[j]) | |
942 | j++; | |
943 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
944 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
945 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
946 | } | |
947 | scm_ra_set_contp (ra_inr); | |
948 | scm_ra_set_contp (res); | |
949 | return res; | |
950 | } | |
1bbd0b84 | 951 | #undef FUNC_NAME |
0f2d19dd JB |
952 | |
953 | ||
954 | ||
3b3b36dd | 955 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 0, 0, 1, |
1bbd0b84 | 956 | (SCM args), |
b380b885 | 957 | "Returns @code{#t} if its arguments would be acceptable to array-ref.") |
1bbd0b84 | 958 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd JB |
959 | { |
960 | SCM v, ind = SCM_EOL; | |
961 | long pos = 0; | |
962 | register scm_sizet k; | |
963 | register long j; | |
964 | scm_array_dim *s; | |
1bbd0b84 | 965 | SCM_ASSERT (SCM_NIMP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 966 | SCM_WNA, NULL); |
0f2d19dd JB |
967 | v = SCM_CAR (args); |
968 | args = SCM_CDR (args); | |
969 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
970 | if (SCM_NIMP (args)) | |
971 | ||
972 | { | |
973 | ind = SCM_CAR (args); | |
974 | args = SCM_CDR (args); | |
1bbd0b84 | 975 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
976 | pos = SCM_INUM (ind); |
977 | } | |
978 | tail: | |
979 | switch SCM_TYP7 | |
980 | (v) | |
981 | { | |
982 | default: | |
1bbd0b84 GB |
983 | badarg1:SCM_WTA (1,v); |
984 | wna: scm_wrong_num_args (scm_makfrom0str (FUNC_NAME)); | |
0f2d19dd JB |
985 | case scm_tc7_smob: |
986 | k = SCM_ARRAY_NDIM (v); | |
987 | s = SCM_ARRAY_DIMS (v); | |
988 | pos = SCM_ARRAY_BASE (v); | |
989 | if (!k) | |
990 | { | |
991 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
992 | ind = SCM_INUM0; | |
993 | } | |
994 | else | |
995 | while (!0) | |
996 | { | |
997 | j = SCM_INUM (ind); | |
998 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
999 | { | |
1000 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1001 | return SCM_BOOL_F; | |
1002 | } | |
1003 | pos += (j - s->lbnd) * (s->inc); | |
1004 | if (!(--k && SCM_NIMP (args))) | |
1005 | break; | |
1006 | ind = SCM_CAR (args); | |
1007 | args = SCM_CDR (args); | |
1008 | s++; | |
1bbd0b84 | 1009 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
1010 | } |
1011 | SCM_ASRTGO (0 == k, wna); | |
1012 | v = SCM_ARRAY_V (v); | |
1013 | goto tail; | |
1014 | case scm_tc7_bvect: | |
1015 | case scm_tc7_string: | |
1016 | case scm_tc7_byvect: | |
1017 | case scm_tc7_uvect: | |
1018 | case scm_tc7_ivect: | |
1019 | case scm_tc7_fvect: | |
1020 | case scm_tc7_dvect: | |
1021 | case scm_tc7_cvect: | |
1022 | case scm_tc7_svect: | |
5c11cc9d | 1023 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1024 | case scm_tc7_llvect: |
1025 | #endif | |
1026 | case scm_tc7_vector: | |
95f5b0f5 | 1027 | case scm_tc7_wvect: |
0f2d19dd | 1028 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1bbd0b84 | 1029 | return SCM_BOOL(pos >= 0 && pos < SCM_LENGTH (v)); |
0f2d19dd JB |
1030 | } |
1031 | } | |
1bbd0b84 | 1032 | #undef FUNC_NAME |
0f2d19dd JB |
1033 | |
1034 | ||
1bbd0b84 | 1035 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1036 | |
1bbd0b84 | 1037 | |
3b3b36dd | 1038 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1039 | (SCM v, SCM args), |
b380b885 | 1040 | "Returns the element at the @code{(index1, index2)} element in @var{array}.") |
1bbd0b84 | 1041 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1042 | { |
1043 | long pos; | |
0f2d19dd | 1044 | |
35de7ebe | 1045 | if (SCM_IMP (v)) |
0f2d19dd JB |
1046 | { |
1047 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1048 | return v; | |
1049 | } | |
1050 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1051 | { |
1bbd0b84 | 1052 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1053 | v = SCM_ARRAY_V (v); |
1054 | } | |
1055 | else | |
1056 | { | |
1057 | if (SCM_NIMP (args)) | |
1058 | ||
1059 | { | |
1bbd0b84 | 1060 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1061 | pos = SCM_INUM (SCM_CAR (args)); |
1062 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1063 | } | |
1064 | else | |
1065 | { | |
3b3b36dd | 1066 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1067 | pos = SCM_INUM (args); |
1068 | } | |
1069 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1070 | } | |
1071 | switch SCM_TYP7 | |
1072 | (v) | |
1073 | { | |
1074 | default: | |
1075 | if (SCM_NULLP (args)) | |
1076 | return v; | |
35de7ebe | 1077 | badarg: |
1bbd0b84 | 1078 | SCM_WTA (1,v); |
35de7ebe | 1079 | abort (); |
c209c88e GB |
1080 | |
1081 | outrng: | |
1082 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1083 | wna: | |
1084 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1085 | case scm_tc7_smob: |
1086 | { /* enclosed */ | |
1087 | int k = SCM_ARRAY_NDIM (v); | |
1088 | SCM res = scm_make_ra (k); | |
1089 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1090 | SCM_ARRAY_BASE (res) = pos; | |
1091 | while (k--) | |
1092 | { | |
1093 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1094 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1095 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1096 | } | |
1097 | return res; | |
1098 | } | |
1099 | case scm_tc7_bvect: | |
c209c88e | 1100 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1101 | return SCM_BOOL_T; |
1102 | else | |
1103 | return SCM_BOOL_F; | |
1104 | case scm_tc7_string: | |
7866a09b | 1105 | return SCM_MAKE_CHAR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1106 | case scm_tc7_byvect: |
1107 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
0f2d19dd | 1108 | case scm_tc7_uvect: |
c209c88e | 1109 | return scm_ulong2num((unsigned long ) SCM_VELTS(v)[pos]); |
0f2d19dd | 1110 | case scm_tc7_ivect: |
c209c88e | 1111 | return scm_long2num((long) SCM_VELTS(v)[pos]); |
0f2d19dd JB |
1112 | |
1113 | case scm_tc7_svect: | |
1114 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1115 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1116 | case scm_tc7_llvect: |
1117 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1118 | #endif | |
1119 | ||
0f2d19dd | 1120 | case scm_tc7_fvect: |
bc86da5d | 1121 | return scm_make_real (((float *) SCM_CDR (v))[pos]); |
0f2d19dd | 1122 | case scm_tc7_dvect: |
bc86da5d | 1123 | return scm_make_real (((double *) SCM_CDR (v))[pos]); |
0f2d19dd | 1124 | case scm_tc7_cvect: |
bc86da5d MD |
1125 | return scm_make_complex (((double *) SCM_CDR (v))[2 * pos], |
1126 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
0f2d19dd | 1127 | case scm_tc7_vector: |
95f5b0f5 | 1128 | case scm_tc7_wvect: |
0f2d19dd JB |
1129 | return SCM_VELTS (v)[pos]; |
1130 | } | |
1131 | } | |
1bbd0b84 | 1132 | #undef FUNC_NAME |
0f2d19dd JB |
1133 | |
1134 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1135 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1136 | |
0f2d19dd | 1137 | SCM |
6e8d25a6 | 1138 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
0f2d19dd | 1139 | { |
5c11cc9d | 1140 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1141 | { |
1142 | default: | |
1143 | scm_wta (v, (char *) SCM_ARG1, "PROGRAMMING ERROR: scm_cvref"); | |
1144 | case scm_tc7_bvect: | |
c209c88e | 1145 | if (SCM_BITVEC_REF(v,pos)) |
0f2d19dd JB |
1146 | return SCM_BOOL_T; |
1147 | else | |
1148 | return SCM_BOOL_F; | |
1149 | case scm_tc7_string: | |
7866a09b | 1150 | return SCM_MAKE_CHAR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1151 | case scm_tc7_byvect: |
1152 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
0f2d19dd | 1153 | case scm_tc7_uvect: |
c209c88e | 1154 | return scm_ulong2num((unsigned long) SCM_VELTS(v)[pos]); |
0f2d19dd | 1155 | case scm_tc7_ivect: |
c209c88e | 1156 | return scm_long2num((long) SCM_VELTS(v)[pos]); |
0f2d19dd JB |
1157 | case scm_tc7_svect: |
1158 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1159 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1160 | case scm_tc7_llvect: |
1161 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1162 | #endif | |
0f2d19dd | 1163 | case scm_tc7_fvect: |
bc86da5d | 1164 | if (SCM_NIMP (last) && last != scm_flo0 && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1165 | { |
bc86da5d | 1166 | SCM_REAL_VALUE (last) = ((float *) SCM_CDR (v))[pos]; |
0f2d19dd JB |
1167 | return last; |
1168 | } | |
bc86da5d | 1169 | return scm_make_real (((float *) SCM_CDR (v))[pos]); |
0f2d19dd | 1170 | case scm_tc7_dvect: |
bc86da5d | 1171 | if (SCM_NIMP (last) && last != scm_flo0 && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1172 | { |
bc86da5d | 1173 | SCM_REAL_VALUE (last) = ((double *) SCM_CDR (v))[pos]; |
0f2d19dd JB |
1174 | return last; |
1175 | } | |
bc86da5d | 1176 | return scm_make_real (((double *) SCM_CDR (v))[pos]); |
0f2d19dd | 1177 | case scm_tc7_cvect: |
bc86da5d | 1178 | if (SCM_NIMP (last) && SCM_SLOPPY_COMPLEXP (last)) |
0f2d19dd | 1179 | { |
bc86da5d MD |
1180 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CDR (v))[2 * pos]; |
1181 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CDR (v))[2 * pos + 1]; | |
0f2d19dd JB |
1182 | return last; |
1183 | } | |
bc86da5d MD |
1184 | return scm_make_complex (((double *) SCM_CDR (v))[2 * pos], |
1185 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
0f2d19dd | 1186 | case scm_tc7_vector: |
95f5b0f5 | 1187 | case scm_tc7_wvect: |
0f2d19dd JB |
1188 | return SCM_VELTS (v)[pos]; |
1189 | case scm_tc7_smob: | |
1190 | { /* enclosed scm_array */ | |
1191 | int k = SCM_ARRAY_NDIM (v); | |
1192 | SCM res = scm_make_ra (k); | |
1193 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1194 | SCM_ARRAY_BASE (res) = pos; | |
1195 | while (k--) | |
1196 | { | |
1197 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1198 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1199 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1200 | } | |
1201 | return res; | |
1202 | } | |
1203 | } | |
1204 | } | |
1205 | ||
1bbd0b84 GB |
1206 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1207 | ||
1cc91f1b | 1208 | |
0aa0871f GH |
1209 | /* Note that args may be a list or an immediate object, depending which |
1210 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1211 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1212 | (SCM v, SCM obj, SCM args), |
b380b885 MD |
1213 | "Sets the element at the @code{(index1, index2)} element in @var{array} to\n" |
1214 | "@var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1215 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1216 | { |
f3667f52 | 1217 | long pos = 0; |
0f2d19dd JB |
1218 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1219 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1220 | { |
1bbd0b84 | 1221 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1222 | v = SCM_ARRAY_V (v); |
1223 | } | |
1224 | else | |
1225 | { | |
1226 | if (SCM_NIMP (args)) | |
0f2d19dd | 1227 | { |
0aa0871f | 1228 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1229 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1230 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1231 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1232 | } |
1233 | else | |
1234 | { | |
3b3b36dd | 1235 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd JB |
1236 | } |
1237 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1238 | } | |
1239 | switch (SCM_TYP7 (v)) | |
1240 | { | |
35de7ebe | 1241 | default: badarg1: |
1bbd0b84 | 1242 | SCM_WTA (1,v); |
35de7ebe | 1243 | abort (); |
c209c88e GB |
1244 | outrng: |
1245 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1246 | wna: | |
1247 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1248 | case scm_tc7_smob: /* enclosed */ |
1249 | goto badarg1; | |
1250 | case scm_tc7_bvect: | |
1251 | if (SCM_BOOL_F == obj) | |
c209c88e | 1252 | SCM_BITVEC_CLR(v,pos); |
0f2d19dd | 1253 | else if (SCM_BOOL_T == obj) |
c209c88e | 1254 | SCM_BITVEC_SET(v,pos); |
0f2d19dd | 1255 | else |
1bbd0b84 | 1256 | badobj:SCM_WTA (2,obj); |
0f2d19dd JB |
1257 | break; |
1258 | case scm_tc7_string: | |
7866a09b GB |
1259 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
1260 | SCM_UCHARS (v)[pos] = SCM_CHAR (obj); | |
0f2d19dd JB |
1261 | break; |
1262 | case scm_tc7_byvect: | |
7866a09b GB |
1263 | if (SCM_CHARP (obj)) |
1264 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1265 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1266 | ((char *)SCM_CHARS (v))[pos] = SCM_INUM (obj); |
1267 | break; | |
1bbd0b84 | 1268 | case scm_tc7_uvect: |
f1267706 | 1269 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2ulong(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1270 | break; |
1bbd0b84 | 1271 | case scm_tc7_ivect: |
f1267706 | 1272 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2long(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1273 | break; |
0f2d19dd | 1274 | case scm_tc7_svect: |
0aa0871f | 1275 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1276 | ((short *) SCM_CDR (v))[pos] = SCM_INUM (obj); |
1277 | break; | |
5c11cc9d | 1278 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1279 | case scm_tc7_llvect: |
1bbd0b84 | 1280 | ((long_long *) SCM_CDR (v))[pos] = scm_num2long_long (obj, (char *)SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1281 | break; |
1282 | #endif | |
1283 | ||
1284 | ||
0f2d19dd | 1285 | case scm_tc7_fvect: |
bc86da5d | 1286 | ((float *) SCM_CDR (v))[pos] = (float) scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd | 1287 | break; |
0f2d19dd | 1288 | case scm_tc7_dvect: |
bc86da5d | 1289 | ((double *) SCM_CDR (v))[pos] = scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd JB |
1290 | break; |
1291 | case scm_tc7_cvect: | |
0c95b57d | 1292 | SCM_ASRTGO (SCM_INEXP (obj), badobj); |
0f2d19dd JB |
1293 | ((double *) SCM_CDR (v))[2 * pos] = SCM_REALPART (obj); |
1294 | ((double *) SCM_CDR (v))[2 * pos + 1] = SCM_CPLXP (obj) ? SCM_IMAG (obj) : 0.0; | |
1295 | break; | |
0f2d19dd | 1296 | case scm_tc7_vector: |
95f5b0f5 | 1297 | case scm_tc7_wvect: |
0f2d19dd JB |
1298 | SCM_VELTS (v)[pos] = obj; |
1299 | break; | |
1300 | } | |
1301 | return SCM_UNSPECIFIED; | |
1302 | } | |
1bbd0b84 | 1303 | #undef FUNC_NAME |
0f2d19dd | 1304 | |
1d7bdb25 GH |
1305 | /* attempts to unroll an array into a one-dimensional array. |
1306 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1307 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1308 | wouldn't have contiguous elements. */ |
3b3b36dd | 1309 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1310 | (SCM ra, SCM strict), |
b380b885 MD |
1311 | "@deffnx primitive array-contents array strict\n" |
1312 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" | |
1313 | "without changing their order (last subscript changing fastest), then\n" | |
1314 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1315 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1316 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1317 | "@var{make-shared-array} may not be.\n\n" | |
1318 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1319 | "be returned only if its elements are stored internally contiguous in\n" | |
1320 | "memory.") | |
1bbd0b84 | 1321 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1322 | { |
1323 | SCM sra; | |
1324 | if (SCM_IMP (ra)) | |
f3667f52 | 1325 | return SCM_BOOL_F; |
5c11cc9d | 1326 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1327 | { |
1328 | default: | |
1329 | return SCM_BOOL_F; | |
1330 | case scm_tc7_vector: | |
95f5b0f5 | 1331 | case scm_tc7_wvect: |
0f2d19dd JB |
1332 | case scm_tc7_string: |
1333 | case scm_tc7_bvect: | |
1334 | case scm_tc7_byvect: | |
1335 | case scm_tc7_uvect: | |
1336 | case scm_tc7_ivect: | |
1337 | case scm_tc7_fvect: | |
1338 | case scm_tc7_dvect: | |
1339 | case scm_tc7_cvect: | |
1340 | case scm_tc7_svect: | |
5c11cc9d | 1341 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1342 | case scm_tc7_llvect: |
1343 | #endif | |
1344 | return ra; | |
1345 | case scm_tc7_smob: | |
1346 | { | |
1347 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1348 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1349 | return SCM_BOOL_F; | |
1350 | for (k = 0; k < ndim; k++) | |
1351 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1352 | if (!SCM_UNBNDP (strict)) | |
1353 | { | |
0f2d19dd JB |
1354 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1355 | return SCM_BOOL_F; | |
1356 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1357 | { | |
1358 | if (len != SCM_LENGTH (SCM_ARRAY_V (ra)) || | |
1359 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || | |
1360 | len % SCM_LONG_BIT) | |
1361 | return SCM_BOOL_F; | |
1362 | } | |
1363 | } | |
1364 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra))) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1365 | return SCM_ARRAY_V (ra); | |
1366 | sra = scm_make_ra (1); | |
1367 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1368 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1369 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1370 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1371 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1372 | return sra; | |
1373 | } | |
1374 | } | |
1375 | } | |
1bbd0b84 | 1376 | #undef FUNC_NAME |
0f2d19dd | 1377 | |
1cc91f1b | 1378 | |
0f2d19dd | 1379 | SCM |
6e8d25a6 | 1380 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1381 | { |
1382 | SCM ret; | |
1383 | long inc = 1; | |
1384 | scm_sizet k, len = 1; | |
1385 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1386 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1387 | k = SCM_ARRAY_NDIM (ra); | |
1388 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1389 | { | |
1390 | if (scm_tc7_bvect != SCM_TYP7 (ra)) | |
1391 | return ra; | |
1392 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra)) && | |
1393 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && | |
1394 | 0 == len % SCM_LONG_BIT)) | |
1395 | return ra; | |
1396 | } | |
1397 | ret = scm_make_ra (k); | |
1398 | SCM_ARRAY_BASE (ret) = 0; | |
1399 | while (k--) | |
1400 | { | |
1401 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1402 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1403 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1404 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1405 | } | |
1406 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1407 | if (copy) | |
1408 | scm_array_copy_x (ra, ret); | |
1409 | return ret; | |
1410 | } | |
1411 | ||
1412 | ||
1413 | ||
3b3b36dd | 1414 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1415 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1416 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1417 | "Attempts to read all elements of @var{ura}, in lexicographic order, as\n" | |
1418 | "binary objects from @var{port-or-fdes}.\n" | |
1419 | "If an end of file is encountered during\n" | |
1420 | "uniform-array-read! the objects up to that point only are put into @var{ura}\n" | |
1421 | "(starting at the beginning) and the remainder of the array is\n" | |
1422 | "unchanged.\n\n" | |
1423 | "The optional arguments @var{start} and @var{end} allow\n" | |
1424 | "a specified region of a vector (or linearized array) to be read,\n" | |
1425 | "leaving the remainder of the vector unchanged.\n\n" | |
1426 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1427 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1428 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1429 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1430 | { |
35de7ebe | 1431 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1432 | long sz, vlen, ans; |
1146b6cd GH |
1433 | long cstart = 0; |
1434 | long cend; | |
1435 | long offset = 0; | |
35de7ebe | 1436 | |
0f2d19dd | 1437 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1438 | if (SCM_UNBNDP (port_or_fd)) |
1439 | port_or_fd = scm_cur_inp; | |
1440 | else | |
1441 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1442 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1443 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df | 1444 | vlen = SCM_LENGTH (v); |
35de7ebe | 1445 | |
0f2d19dd | 1446 | loop: |
35de7ebe | 1447 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1448 | { |
1449 | default: | |
5d2d2ffc | 1450 | badarg1:SCM_WTA (SCM_ARG1,v); |
0f2d19dd JB |
1451 | case scm_tc7_smob: |
1452 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1453 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1454 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1455 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1456 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1457 | v = SCM_ARRAY_V (cra); | |
1458 | goto loop; | |
1459 | case scm_tc7_string: | |
1460 | case scm_tc7_byvect: | |
1461 | sz = sizeof (char); | |
1462 | break; | |
1463 | case scm_tc7_bvect: | |
3d8d56df | 1464 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1465 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1466 | case scm_tc7_uvect: |
1467 | case scm_tc7_ivect: | |
1468 | sz = sizeof (long); | |
1469 | break; | |
1470 | case scm_tc7_svect: | |
1471 | sz = sizeof (short); | |
1472 | break; | |
5c11cc9d | 1473 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1474 | case scm_tc7_llvect: |
1475 | sz = sizeof (long_long); | |
1476 | break; | |
1477 | #endif | |
0f2d19dd JB |
1478 | case scm_tc7_fvect: |
1479 | sz = sizeof (float); | |
1480 | break; | |
0f2d19dd JB |
1481 | case scm_tc7_dvect: |
1482 | sz = sizeof (double); | |
1483 | break; | |
1484 | case scm_tc7_cvect: | |
1485 | sz = 2 * sizeof (double); | |
1486 | break; | |
0f2d19dd | 1487 | } |
3d8d56df | 1488 | |
1146b6cd GH |
1489 | cend = vlen; |
1490 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1491 | { |
1146b6cd | 1492 | offset = |
4638e087 | 1493 | SCM_NUM2LONG (3, start); |
35de7ebe | 1494 | |
1146b6cd | 1495 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1496 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1497 | |
1498 | if (!SCM_UNBNDP (end)) | |
1499 | { | |
1500 | long tend = | |
4638e087 | 1501 | SCM_NUM2LONG (4, end); |
3d8d56df | 1502 | |
1146b6cd | 1503 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1504 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1505 | cend = tend; |
1506 | } | |
0f2d19dd | 1507 | } |
35de7ebe | 1508 | |
3d8d56df GH |
1509 | if (SCM_NIMP (port_or_fd)) |
1510 | { | |
6c951427 GH |
1511 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1512 | int remaining = (cend - offset) * sz; | |
1513 | char *dest = SCM_CHARS (v) + (cstart + offset) * sz; | |
1514 | ||
1515 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1516 | scm_flush (port_or_fd); |
6c951427 GH |
1517 | |
1518 | ans = cend - offset; | |
1519 | while (remaining > 0) | |
3d8d56df | 1520 | { |
6c951427 GH |
1521 | if (pt->read_pos < pt->read_end) |
1522 | { | |
1523 | int to_copy = min (pt->read_end - pt->read_pos, | |
1524 | remaining); | |
1525 | ||
1526 | memcpy (dest, pt->read_pos, to_copy); | |
1527 | pt->read_pos += to_copy; | |
1528 | remaining -= to_copy; | |
1529 | dest += to_copy; | |
1530 | } | |
1531 | else | |
1532 | { | |
affc96b5 | 1533 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1534 | { |
1535 | if (remaining % sz != 0) | |
1536 | { | |
5d2d2ffc | 1537 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1538 | } |
1539 | ans -= remaining / sz; | |
1540 | break; | |
1541 | } | |
6c951427 | 1542 | } |
3d8d56df | 1543 | } |
6c951427 GH |
1544 | |
1545 | if (pt->rw_random) | |
1546 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1547 | } |
1548 | else /* file descriptor. */ | |
1549 | { | |
1550 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1551 | SCM_CHARS (v) + (cstart + offset) * sz, |
1552 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1553 | if (ans == -1) |
1bbd0b84 | 1554 | SCM_SYSERROR; |
3d8d56df | 1555 | } |
0f2d19dd JB |
1556 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1557 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1558 | |
0f2d19dd JB |
1559 | if (v != ra && cra != ra) |
1560 | scm_array_copy_x (cra, ra); | |
35de7ebe | 1561 | |
0f2d19dd JB |
1562 | return SCM_MAKINUM (ans); |
1563 | } | |
1bbd0b84 | 1564 | #undef FUNC_NAME |
0f2d19dd | 1565 | |
3b3b36dd | 1566 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1567 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1568 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
1569 | "Writes all elements of @var{ura} as binary objects to\n" | |
1570 | "@var{port-or-fdes}.\n\n" | |
1571 | "The optional arguments @var{start}\n" | |
1572 | "and @var{end} allow\n" | |
1573 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
1574 | "The number of objects actually written is returned. \n" | |
1575 | "@var{port-or-fdes} may be\n" | |
1576 | "omitted, in which case it defaults to the value returned by\n" | |
1577 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1578 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1579 | { |
3d8d56df | 1580 | long sz, vlen, ans; |
1146b6cd GH |
1581 | long offset = 0; |
1582 | long cstart = 0; | |
1583 | long cend; | |
3d8d56df | 1584 | |
78446828 MV |
1585 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1586 | ||
0f2d19dd | 1587 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1588 | if (SCM_UNBNDP (port_or_fd)) |
1589 | port_or_fd = scm_cur_outp; | |
1590 | else | |
1591 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1592 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1593 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df GH |
1594 | vlen = SCM_LENGTH (v); |
1595 | ||
0f2d19dd | 1596 | loop: |
3d8d56df | 1597 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1598 | { |
1599 | default: | |
4638e087 | 1600 | badarg1:SCM_WTA (1, v); |
0f2d19dd JB |
1601 | case scm_tc7_smob: |
1602 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1603 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1604 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1605 | vlen = SCM_ARRAY_DIMS (v)->inc |
1606 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1607 | v = SCM_ARRAY_V (v); |
1608 | goto loop; | |
0f2d19dd | 1609 | case scm_tc7_string: |
3d8d56df | 1610 | case scm_tc7_byvect: |
0f2d19dd JB |
1611 | sz = sizeof (char); |
1612 | break; | |
1613 | case scm_tc7_bvect: | |
3d8d56df | 1614 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1615 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1616 | case scm_tc7_uvect: |
1617 | case scm_tc7_ivect: | |
1618 | sz = sizeof (long); | |
1619 | break; | |
1620 | case scm_tc7_svect: | |
1621 | sz = sizeof (short); | |
1622 | break; | |
5c11cc9d | 1623 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1624 | case scm_tc7_llvect: |
1625 | sz = sizeof (long_long); | |
1626 | break; | |
1627 | #endif | |
0f2d19dd JB |
1628 | case scm_tc7_fvect: |
1629 | sz = sizeof (float); | |
1630 | break; | |
0f2d19dd JB |
1631 | case scm_tc7_dvect: |
1632 | sz = sizeof (double); | |
1633 | break; | |
1634 | case scm_tc7_cvect: | |
1635 | sz = 2 * sizeof (double); | |
1636 | break; | |
0f2d19dd | 1637 | } |
3d8d56df | 1638 | |
1146b6cd GH |
1639 | cend = vlen; |
1640 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1641 | { |
1146b6cd | 1642 | offset = |
4638e087 | 1643 | SCM_NUM2LONG (3, start); |
3d8d56df | 1644 | |
1146b6cd | 1645 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1646 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1647 | |
1648 | if (!SCM_UNBNDP (end)) | |
1649 | { | |
1650 | long tend = | |
4638e087 | 1651 | SCM_NUM2LONG (4, end); |
3d8d56df | 1652 | |
1146b6cd | 1653 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1654 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1655 | cend = tend; |
1656 | } | |
3d8d56df GH |
1657 | } |
1658 | ||
1659 | if (SCM_NIMP (port_or_fd)) | |
1660 | { | |
6c951427 | 1661 | char *source = SCM_CHARS (v) + (cstart + offset) * sz; |
6c951427 GH |
1662 | |
1663 | ans = cend - offset; | |
265e6a4d | 1664 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1665 | } |
1666 | else /* file descriptor. */ | |
1667 | { | |
1668 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1669 | SCM_CHARS (v) + (cstart + offset) * sz, |
1670 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1671 | if (ans == -1) |
1bbd0b84 | 1672 | SCM_SYSERROR; |
3d8d56df | 1673 | } |
0f2d19dd JB |
1674 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1675 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1676 | |
0f2d19dd JB |
1677 | return SCM_MAKINUM (ans); |
1678 | } | |
1bbd0b84 | 1679 | #undef FUNC_NAME |
0f2d19dd JB |
1680 | |
1681 | ||
1682 | static char cnt_tab[16] = | |
1683 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1684 | ||
3b3b36dd | 1685 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
1bbd0b84 | 1686 | (SCM item, SCM seq), |
b380b885 | 1687 | "Returns the number occurrences of @var{bool} in @var{bv}.") |
1bbd0b84 | 1688 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd JB |
1689 | { |
1690 | long i; | |
c209c88e GB |
1691 | register unsigned long cnt = 0; |
1692 | register unsigned long w; | |
3b3b36dd | 1693 | SCM_VALIDATE_INUM (2,seq); |
5c11cc9d | 1694 | switch SCM_TYP7 (seq) |
0f2d19dd JB |
1695 | { |
1696 | default: | |
1bbd0b84 | 1697 | SCM_WTA (2,seq); |
0f2d19dd JB |
1698 | case scm_tc7_bvect: |
1699 | if (0 == SCM_LENGTH (seq)) | |
1700 | return SCM_INUM0; | |
1701 | i = (SCM_LENGTH (seq) - 1) / SCM_LONG_BIT; | |
f1267706 | 1702 | w = SCM_UNPACK (SCM_VELTS (seq)[i]); |
0f2d19dd JB |
1703 | if (SCM_FALSEP (item)) |
1704 | w = ~w; | |
1705 | w <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (seq) - 1) % SCM_LONG_BIT); | |
1706 | while (!0) | |
1707 | { | |
1708 | for (; w; w >>= 4) | |
1709 | cnt += cnt_tab[w & 0x0f]; | |
1710 | if (0 == i--) | |
1711 | return SCM_MAKINUM (cnt); | |
f1267706 | 1712 | w = SCM_UNPACK (SCM_VELTS (seq)[i]); |
0f2d19dd JB |
1713 | if (SCM_FALSEP (item)) |
1714 | w = ~w; | |
1715 | } | |
1716 | } | |
1717 | } | |
1bbd0b84 | 1718 | #undef FUNC_NAME |
0f2d19dd JB |
1719 | |
1720 | ||
3b3b36dd | 1721 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1722 | (SCM item, SCM v, SCM k), |
b380b885 MD |
1723 | "Returns the minimum index of an occurrence of @var{bool} in @var{bv}\n" |
1724 | "which is at least @var{k}. If no @var{bool} occurs within the specified\n" | |
1725 | "range @code{#f} is returned.") | |
1bbd0b84 | 1726 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1727 | { |
1bbd0b84 | 1728 | long i, lenw, xbits, pos; |
0f2d19dd | 1729 | register unsigned long w; |
6b5a304f | 1730 | SCM_VALIDATE_NIM (2,v); |
3b3b36dd | 1731 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
0f2d19dd | 1732 | SCM_ASSERT ((pos <= SCM_LENGTH (v)) && (pos >= 0), |
1bbd0b84 | 1733 | k, SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1734 | if (pos == SCM_LENGTH (v)) |
1735 | return SCM_BOOL_F; | |
5c11cc9d | 1736 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1737 | { |
1738 | default: | |
1bbd0b84 | 1739 | SCM_WTA (2,v); |
0f2d19dd JB |
1740 | case scm_tc7_bvect: |
1741 | if (0 == SCM_LENGTH (v)) | |
1742 | return SCM_MAKINUM (-1L); | |
1743 | lenw = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1744 | i = pos / SCM_LONG_BIT; | |
f1267706 | 1745 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1746 | if (SCM_FALSEP (item)) |
1747 | w = ~w; | |
1748 | xbits = (pos % SCM_LONG_BIT); | |
1749 | pos -= xbits; | |
1750 | w = ((w >> xbits) << xbits); | |
1751 | xbits = SCM_LONG_BIT - 1 - (SCM_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1752 | while (!0) | |
1753 | { | |
1754 | if (w && (i == lenw)) | |
1755 | w = ((w << xbits) >> xbits); | |
1756 | if (w) | |
1757 | while (w) | |
1758 | switch (w & 0x0f) | |
1759 | { | |
1760 | default: | |
1761 | return SCM_MAKINUM (pos); | |
1762 | case 2: | |
1763 | case 6: | |
1764 | case 10: | |
1765 | case 14: | |
1766 | return SCM_MAKINUM (pos + 1); | |
1767 | case 4: | |
1768 | case 12: | |
1769 | return SCM_MAKINUM (pos + 2); | |
1770 | case 8: | |
1771 | return SCM_MAKINUM (pos + 3); | |
1772 | case 0: | |
1773 | pos += 4; | |
1774 | w >>= 4; | |
1775 | } | |
1776 | if (++i > lenw) | |
1777 | break; | |
1778 | pos += SCM_LONG_BIT; | |
f1267706 | 1779 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1780 | if (SCM_FALSEP (item)) |
1781 | w = ~w; | |
1782 | } | |
1783 | return SCM_BOOL_F; | |
1784 | } | |
1785 | } | |
1bbd0b84 | 1786 | #undef FUNC_NAME |
0f2d19dd JB |
1787 | |
1788 | ||
3b3b36dd | 1789 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
1bbd0b84 | 1790 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1791 | "If uve is a bit-vector @var{bv} and uve must be of the same length. If\n" |
1792 | "@var{bool} is @code{#t}, uve is OR'ed into @var{bv}; If @var{bool} is @code{#f}, the\n" | |
1793 | "inversion of uve is AND'ed into @var{bv}.\n\n" | |
1794 | "If uve is a unsigned integer vector all the elements of uve must be\n" | |
1795 | "between 0 and the @code{LENGTH} of @var{bv}. The bits of @var{bv}\n" | |
1796 | "corresponding to the indexes in uve are set to @var{bool}.\n\n" | |
1797 | "The return value is unspecified.") | |
1bbd0b84 | 1798 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1799 | { |
1800 | register long i, k, vlen; | |
1801 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1802 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1803 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1804 | { |
1805 | default: | |
1bbd0b84 | 1806 | badarg2:SCM_WTA (2,kv); |
0f2d19dd | 1807 | case scm_tc7_uvect: |
5c11cc9d | 1808 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1809 | { |
1810 | default: | |
c209c88e | 1811 | badarg1: SCM_WTA (1,v); |
0f2d19dd JB |
1812 | case scm_tc7_bvect: |
1813 | vlen = SCM_LENGTH (v); | |
1814 | if (SCM_BOOL_F == obj) | |
1815 | for (i = SCM_LENGTH (kv); i;) | |
1816 | { | |
f1267706 | 1817 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1818 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1819 | SCM_BITVEC_CLR(v,k); |
0f2d19dd JB |
1820 | } |
1821 | else if (SCM_BOOL_T == obj) | |
1822 | for (i = SCM_LENGTH (kv); i;) | |
1823 | { | |
f1267706 | 1824 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1825 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1826 | SCM_BITVEC_SET(v,k); |
0f2d19dd JB |
1827 | } |
1828 | else | |
1bbd0b84 | 1829 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1830 | } |
1831 | break; | |
1832 | case scm_tc7_bvect: | |
1833 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1834 | if (SCM_BOOL_F == obj) | |
1835 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
f1267706 | 1836 | SCM_UNPACK (SCM_VELTS (v)[k]) &= ~ SCM_UNPACK(SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1837 | else if (SCM_BOOL_T == obj) |
1838 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
f1267706 | 1839 | SCM_UNPACK (SCM_VELTS (v)[k]) |= SCM_UNPACK (SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1840 | else |
1841 | goto badarg3; | |
1842 | break; | |
1843 | } | |
1844 | return SCM_UNSPECIFIED; | |
1845 | } | |
1bbd0b84 | 1846 | #undef FUNC_NAME |
0f2d19dd JB |
1847 | |
1848 | ||
3b3b36dd | 1849 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1850 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1851 | "Returns\n" |
1852 | "@example\n" | |
1853 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" | |
1854 | "@end example\n" | |
1855 | "@var{bv} is not modified.") | |
1bbd0b84 | 1856 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1857 | { |
1858 | register long i, vlen, count = 0; | |
1859 | register unsigned long k; | |
41b0806d | 1860 | int fObj = 0; |
c209c88e | 1861 | |
0f2d19dd JB |
1862 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1863 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1864 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1865 | { |
1866 | default: | |
c209c88e GB |
1867 | badarg2: |
1868 | SCM_WTA (2,kv); | |
0f2d19dd JB |
1869 | case scm_tc7_uvect: |
1870 | switch SCM_TYP7 | |
1871 | (v) | |
1872 | { | |
1873 | default: | |
c209c88e GB |
1874 | badarg1: |
1875 | SCM_WTA (1,v); | |
0f2d19dd JB |
1876 | case scm_tc7_bvect: |
1877 | vlen = SCM_LENGTH (v); | |
1878 | if (SCM_BOOL_F == obj) | |
1879 | for (i = SCM_LENGTH (kv); i;) | |
1880 | { | |
f1267706 | 1881 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1882 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1883 | if (!SCM_BITVEC_REF(v,k)) |
0f2d19dd JB |
1884 | count++; |
1885 | } | |
1886 | else if (SCM_BOOL_T == obj) | |
1887 | for (i = SCM_LENGTH (kv); i;) | |
1888 | { | |
f1267706 | 1889 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1890 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1891 | if (SCM_BITVEC_REF (v,k)) |
0f2d19dd JB |
1892 | count++; |
1893 | } | |
1894 | else | |
1bbd0b84 | 1895 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1896 | } |
1897 | break; | |
1898 | case scm_tc7_bvect: | |
1899 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1900 | if (0 == SCM_LENGTH (v)) | |
1901 | return SCM_INUM0; | |
1902 | SCM_ASRTGO (SCM_BOOL_T == obj || SCM_BOOL_F == obj, badarg3); | |
41b0806d | 1903 | fObj = (SCM_BOOL_T == obj); |
0f2d19dd | 1904 | i = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; |
f1267706 | 1905 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd | 1906 | k <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (v) - 1) % SCM_LONG_BIT); |
c209c88e | 1907 | while (1) |
0f2d19dd JB |
1908 | { |
1909 | for (; k; k >>= 4) | |
1910 | count += cnt_tab[k & 0x0f]; | |
1911 | if (0 == i--) | |
1912 | return SCM_MAKINUM (count); | |
c209c88e GB |
1913 | |
1914 | /* urg. repetitive (see above.) */ | |
f1267706 | 1915 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1916 | } |
1917 | } | |
1918 | return SCM_MAKINUM (count); | |
1919 | } | |
1bbd0b84 | 1920 | #undef FUNC_NAME |
0f2d19dd JB |
1921 | |
1922 | ||
3b3b36dd | 1923 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1924 | (SCM v), |
b380b885 | 1925 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 1926 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd JB |
1927 | { |
1928 | register long k; | |
1929 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1930 | k = SCM_LENGTH (v); | |
1931 | switch SCM_TYP7 | |
1932 | (v) | |
1933 | { | |
1934 | case scm_tc7_bvect: | |
1935 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
f1267706 | 1936 | SCM_UNPACK (SCM_VELTS (v)[k]) = ~SCM_UNPACK(SCM_VELTS (v)[k]); |
0f2d19dd JB |
1937 | break; |
1938 | default: | |
1bbd0b84 | 1939 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1940 | } |
1941 | return SCM_UNSPECIFIED; | |
1942 | } | |
1bbd0b84 | 1943 | #undef FUNC_NAME |
0f2d19dd JB |
1944 | |
1945 | ||
0f2d19dd | 1946 | SCM |
1bbd0b84 | 1947 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
1948 | { |
1949 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
1950 | long *data = (long *) SCM_VELTS (v); | |
1951 | register unsigned long mask; | |
1952 | register long k; | |
1953 | register long j; | |
1954 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
1955 | { | |
1956 | data[k] = 0L; | |
1957 | j = len - k * SCM_LONG_BIT; | |
1958 | if (j > SCM_LONG_BIT) | |
1959 | j = SCM_LONG_BIT; | |
1960 | for (mask = 1L; j--; mask <<= 1) | |
1961 | switch (*str++) | |
1962 | { | |
1963 | case '0': | |
1964 | break; | |
1965 | case '1': | |
1966 | data[k] |= mask; | |
1967 | break; | |
1968 | default: | |
1969 | return SCM_BOOL_F; | |
1970 | } | |
1971 | } | |
1972 | return v; | |
1973 | } | |
1974 | ||
1975 | ||
1cc91f1b | 1976 | |
0f2d19dd | 1977 | static SCM |
1bbd0b84 | 1978 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
1979 | { |
1980 | register SCM res = SCM_EOL; | |
1981 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
1982 | register scm_sizet i; | |
1983 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
1984 | return SCM_EOL; | |
1985 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
1986 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
1987 | { | |
1988 | do | |
1989 | { | |
1990 | i -= inc; | |
1991 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
1992 | } | |
1993 | while (i != base); | |
1994 | } | |
1995 | else | |
1996 | do | |
1997 | { | |
1998 | i -= inc; | |
1999 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2000 | } | |
2001 | while (i != base); | |
2002 | return res; | |
2003 | } | |
2004 | ||
2005 | ||
3b3b36dd | 2006 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2007 | (SCM v), |
b380b885 | 2008 | "Returns a list consisting of all the elements, in order, of @var{array}.") |
1bbd0b84 | 2009 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2010 | { |
2011 | SCM res = SCM_EOL; | |
2012 | register long k; | |
2013 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
2014 | switch SCM_TYP7 | |
2015 | (v) | |
2016 | { | |
2017 | default: | |
1bbd0b84 | 2018 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2019 | case scm_tc7_smob: |
2020 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2021 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2022 | case scm_tc7_vector: | |
95f5b0f5 | 2023 | case scm_tc7_wvect: |
0f2d19dd JB |
2024 | return scm_vector_to_list (v); |
2025 | case scm_tc7_string: | |
2026 | return scm_string_to_list (v); | |
2027 | case scm_tc7_bvect: | |
2028 | { | |
2029 | long *data = (long *) SCM_VELTS (v); | |
2030 | register unsigned long mask; | |
2031 | for (k = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
cdbadcac | 2032 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2033 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd | 2034 | for (mask = 1L << ((SCM_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2035 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2036 | return res; |
2037 | } | |
0f2d19dd JB |
2038 | case scm_tc7_uvect: { |
2039 | long *data = (long *)SCM_VELTS(v); | |
2040 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2041 | res = scm_cons(scm_ulong2num(data[k]), res); | |
2042 | return res; | |
2043 | } | |
2044 | case scm_tc7_ivect: { | |
2045 | long *data = (long *)SCM_VELTS(v); | |
2046 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2047 | res = scm_cons(scm_long2num(data[k]), res); | |
2048 | return res; | |
2049 | } | |
0f2d19dd JB |
2050 | case scm_tc7_svect: { |
2051 | short *data; | |
2052 | data = (short *)SCM_VELTS(v); | |
2053 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2054 | res = scm_cons(SCM_MAKINUM (data[k]), res); | |
2055 | return res; | |
2056 | } | |
5c11cc9d | 2057 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2058 | case scm_tc7_llvect: { |
2059 | long_long *data; | |
2060 | data = (long_long *)SCM_VELTS(v); | |
2061 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2062 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2063 | return res; | |
2064 | } | |
2065 | #endif | |
2066 | ||
2067 | ||
0f2d19dd JB |
2068 | case scm_tc7_fvect: |
2069 | { | |
2070 | float *data = (float *) SCM_VELTS (v); | |
2071 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
bc86da5d | 2072 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2073 | return res; |
2074 | } | |
0f2d19dd JB |
2075 | case scm_tc7_dvect: |
2076 | { | |
2077 | double *data = (double *) SCM_VELTS (v); | |
2078 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2079 | res = scm_cons (scm_makdbl (data[k], 0.0), res); | |
2080 | return res; | |
2081 | } | |
2082 | case scm_tc7_cvect: | |
2083 | { | |
2084 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
2085 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2086 | res = scm_cons (scm_makdbl (data[k][0], data[k][1]), res); | |
2087 | return res; | |
2088 | } | |
0f2d19dd JB |
2089 | } |
2090 | } | |
1bbd0b84 | 2091 | #undef FUNC_NAME |
0f2d19dd JB |
2092 | |
2093 | ||
20a54673 | 2094 | static char s_bad_ralst[] = "Bad scm_array contents list"; |
1cc91f1b | 2095 | |
1bbd0b84 | 2096 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2097 | |
3b3b36dd | 2098 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2099 | (SCM ndim, SCM prot, SCM lst), |
b380b885 MD |
2100 | "@deffnx procedure list->uniform-vector prot lst\n" |
2101 | "Returns a uniform array of the type indicated by prototype @var{prot}\n" | |
2102 | "with elements the same as those of @var{lst}. Elements must be of the\n" | |
2103 | "appropriate type, no coercions are done.") | |
1bbd0b84 | 2104 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2105 | { |
2106 | SCM shp = SCM_EOL; | |
2107 | SCM row = lst; | |
2108 | SCM ra; | |
2109 | scm_sizet k; | |
2110 | long n; | |
3b3b36dd | 2111 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2112 | while (k--) |
2113 | { | |
2114 | n = scm_ilength (row); | |
1bbd0b84 | 2115 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2116 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2117 | if (SCM_NIMP (row)) | |
2118 | row = SCM_CAR (row); | |
2119 | } | |
d12feca3 GH |
2120 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2121 | SCM_UNDEFINED); | |
0f2d19dd JB |
2122 | if (SCM_NULLP (shp)) |
2123 | ||
2124 | { | |
2125 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2126 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2127 | return ra; | |
2128 | } | |
2129 | if (!SCM_ARRAYP (ra)) | |
2130 | { | |
2131 | for (k = 0; k < SCM_LENGTH (ra); k++, lst = SCM_CDR (lst)) | |
2132 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); | |
2133 | return ra; | |
2134 | } | |
2135 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2136 | return ra; | |
2137 | else | |
1bbd0b84 | 2138 | badlst:scm_wta (lst, s_bad_ralst, FUNC_NAME); |
0f2d19dd JB |
2139 | return SCM_BOOL_F; |
2140 | } | |
1bbd0b84 | 2141 | #undef FUNC_NAME |
0f2d19dd | 2142 | |
0f2d19dd | 2143 | static int |
1bbd0b84 | 2144 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2145 | { |
2146 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2147 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2148 | int ok = 1; | |
2149 | if (n <= 0) | |
2150 | return (SCM_EOL == lst); | |
2151 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2152 | { | |
2153 | while (n--) | |
2154 | { | |
2155 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2156 | return 0; | |
2157 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2158 | base += inc; | |
2159 | lst = SCM_CDR (lst); | |
2160 | } | |
2161 | if (SCM_NNULLP (lst)) | |
2162 | return 0; | |
2163 | } | |
2164 | else | |
2165 | { | |
2166 | while (n--) | |
2167 | { | |
2168 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2169 | return 0; | |
2170 | ok = ok && scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); | |
2171 | base += inc; | |
2172 | lst = SCM_CDR (lst); | |
2173 | } | |
2174 | if (SCM_NNULLP (lst)) | |
2175 | return 0; | |
2176 | } | |
2177 | return ok; | |
2178 | } | |
2179 | ||
1cc91f1b | 2180 | |
0f2d19dd | 2181 | static void |
1bbd0b84 | 2182 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2183 | { |
2184 | long inc = 1; | |
2185 | long n = SCM_LENGTH (ra); | |
2186 | int enclosed = 0; | |
2187 | tail: | |
5c11cc9d | 2188 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2189 | { |
2190 | case scm_tc7_smob: | |
2191 | if (enclosed++) | |
2192 | { | |
2193 | SCM_ARRAY_BASE (ra) = j; | |
2194 | if (n-- > 0) | |
9882ea19 | 2195 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2196 | for (j += inc; n-- > 0; j += inc) |
2197 | { | |
b7f3516f | 2198 | scm_putc (' ', port); |
0f2d19dd | 2199 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2200 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2201 | } |
2202 | break; | |
2203 | } | |
2204 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2205 | { | |
2206 | long i; | |
2207 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2208 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2209 | { | |
b7f3516f | 2210 | scm_putc ('(', port); |
9882ea19 | 2211 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2212 | scm_puts (") ", port); |
0f2d19dd JB |
2213 | j += inc; |
2214 | } | |
2215 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2216 | { /* could be zero size. */ | |
b7f3516f | 2217 | scm_putc ('(', port); |
9882ea19 | 2218 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2219 | scm_putc (')', port); |
0f2d19dd JB |
2220 | } |
2221 | break; | |
2222 | } | |
2223 | if SCM_ARRAY_NDIM | |
2224 | (ra) | |
2225 | { /* Could be zero-dimensional */ | |
2226 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2227 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2228 | } | |
2229 | else | |
2230 | n = 1; | |
2231 | ra = SCM_ARRAY_V (ra); | |
2232 | goto tail; | |
2233 | default: | |
5c11cc9d | 2234 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2235 | if (n-- > 0) |
9882ea19 | 2236 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2237 | for (j += inc; n-- > 0; j += inc) |
2238 | { | |
b7f3516f | 2239 | scm_putc (' ', port); |
9882ea19 | 2240 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2241 | } |
2242 | break; | |
2243 | case scm_tc7_string: | |
2244 | if (n-- > 0) | |
7866a09b | 2245 | scm_iprin1 (SCM_MAKE_CHAR (SCM_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2246 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2247 | for (j += inc; n-- > 0; j += inc) |
2248 | { | |
b7f3516f | 2249 | scm_putc (' ', port); |
7866a09b | 2250 | scm_iprin1 (SCM_MAKE_CHAR (SCM_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2251 | } |
2252 | else | |
2253 | for (j += inc; n-- > 0; j += inc) | |
b7f3516f | 2254 | scm_putc (SCM_CHARS (ra)[j], port); |
0f2d19dd JB |
2255 | break; |
2256 | case scm_tc7_byvect: | |
2257 | if (n-- > 0) | |
2258 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); | |
2259 | for (j += inc; n-- > 0; j += inc) | |
2260 | { | |
b7f3516f | 2261 | scm_putc (' ', port); |
0f2d19dd JB |
2262 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); |
2263 | } | |
2264 | break; | |
2265 | ||
2266 | case scm_tc7_uvect: | |
5c11cc9d GH |
2267 | { |
2268 | char str[11]; | |
2269 | ||
2270 | if (n-- > 0) | |
2271 | { | |
2272 | /* intprint can't handle >= 2^31. */ | |
2273 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2274 | scm_puts (str, port); | |
2275 | } | |
2276 | for (j += inc; n-- > 0; j += inc) | |
2277 | { | |
2278 | scm_putc (' ', port); | |
2279 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2280 | scm_puts (str, port); | |
2281 | } | |
2282 | } | |
0f2d19dd JB |
2283 | case scm_tc7_ivect: |
2284 | if (n-- > 0) | |
c209c88e | 2285 | scm_intprint ((int)SCM_VELTS (ra)[j], 10, port); |
0f2d19dd JB |
2286 | for (j += inc; n-- > 0; j += inc) |
2287 | { | |
b7f3516f | 2288 | scm_putc (' ', port); |
c209c88e | 2289 | scm_intprint ((int)SCM_VELTS (ra)[j], 10, port); |
0f2d19dd JB |
2290 | } |
2291 | break; | |
2292 | ||
2293 | case scm_tc7_svect: | |
2294 | if (n-- > 0) | |
2295 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); | |
2296 | for (j += inc; n-- > 0; j += inc) | |
2297 | { | |
b7f3516f | 2298 | scm_putc (' ', port); |
0f2d19dd JB |
2299 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); |
2300 | } | |
2301 | break; | |
2302 | ||
0f2d19dd JB |
2303 | case scm_tc7_fvect: |
2304 | if (n-- > 0) | |
2305 | { | |
bc86da5d MD |
2306 | SCM z = scm_make_real (1.0); |
2307 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2308 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2309 | for (j += inc; n-- > 0; j += inc) |
2310 | { | |
b7f3516f | 2311 | scm_putc (' ', port); |
bc86da5d MD |
2312 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2313 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2314 | } |
2315 | } | |
2316 | break; | |
0f2d19dd JB |
2317 | case scm_tc7_dvect: |
2318 | if (n-- > 0) | |
2319 | { | |
bc86da5d MD |
2320 | SCM z = scm_make_real (1.0 / 3.0); |
2321 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2322 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2323 | for (j += inc; n-- > 0; j += inc) |
2324 | { | |
b7f3516f | 2325 | scm_putc (' ', port); |
bc86da5d MD |
2326 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2327 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2328 | } |
2329 | } | |
2330 | break; | |
2331 | case scm_tc7_cvect: | |
2332 | if (n-- > 0) | |
2333 | { | |
bc86da5d MD |
2334 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2335 | SCM_REAL_VALUE (z) = | |
2336 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2337 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2338 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2339 | port, pstate); | |
0f2d19dd JB |
2340 | for (j += inc; n-- > 0; j += inc) |
2341 | { | |
b7f3516f | 2342 | scm_putc (' ', port); |
bc86da5d MD |
2343 | SCM_REAL_VALUE (z) |
2344 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2345 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2346 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2347 | port, pstate); | |
0f2d19dd JB |
2348 | } |
2349 | } | |
2350 | break; | |
0f2d19dd JB |
2351 | } |
2352 | } | |
2353 | ||
2354 | ||
1cc91f1b | 2355 | |
0f2d19dd | 2356 | int |
1bbd0b84 | 2357 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2358 | { |
2359 | SCM v = exp; | |
2360 | scm_sizet base = 0; | |
b7f3516f | 2361 | scm_putc ('#', port); |
0f2d19dd | 2362 | tail: |
5c11cc9d | 2363 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2364 | { |
2365 | case scm_tc7_smob: | |
2366 | { | |
2367 | long ndim = SCM_ARRAY_NDIM (v); | |
2368 | base = SCM_ARRAY_BASE (v); | |
2369 | v = SCM_ARRAY_V (v); | |
2370 | if (SCM_ARRAYP (v)) | |
2371 | ||
2372 | { | |
b7f3516f | 2373 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2374 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2375 | scm_putc ('>', port); |
0f2d19dd JB |
2376 | return 1; |
2377 | } | |
2378 | else | |
2379 | { | |
2380 | scm_intprint (ndim, 10, port); | |
2381 | goto tail; | |
2382 | } | |
2383 | } | |
2384 | case scm_tc7_bvect: | |
2385 | if (exp == v) | |
2386 | { /* a uve, not an scm_array */ | |
2387 | register long i, j, w; | |
b7f3516f | 2388 | scm_putc ('*', port); |
0f2d19dd JB |
2389 | for (i = 0; i < (SCM_LENGTH (exp)) / SCM_LONG_BIT; i++) |
2390 | { | |
f1267706 | 2391 | scm_bits_t w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
0f2d19dd JB |
2392 | for (j = SCM_LONG_BIT; j; j--) |
2393 | { | |
b7f3516f | 2394 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2395 | w >>= 1; |
2396 | } | |
2397 | } | |
2398 | j = SCM_LENGTH (exp) % SCM_LONG_BIT; | |
2399 | if (j) | |
2400 | { | |
f1267706 | 2401 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2402 | for (; j; j--) |
2403 | { | |
b7f3516f | 2404 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2405 | w >>= 1; |
2406 | } | |
2407 | } | |
2408 | return 1; | |
2409 | } | |
2410 | else | |
b7f3516f | 2411 | scm_putc ('b', port); |
0f2d19dd JB |
2412 | break; |
2413 | case scm_tc7_string: | |
b7f3516f | 2414 | scm_putc ('a', port); |
0f2d19dd JB |
2415 | break; |
2416 | case scm_tc7_byvect: | |
05c33d09 | 2417 | scm_putc ('y', port); |
0f2d19dd JB |
2418 | break; |
2419 | case scm_tc7_uvect: | |
b7f3516f | 2420 | scm_putc ('u', port); |
0f2d19dd JB |
2421 | break; |
2422 | case scm_tc7_ivect: | |
b7f3516f | 2423 | scm_putc ('e', port); |
0f2d19dd JB |
2424 | break; |
2425 | case scm_tc7_svect: | |
05c33d09 | 2426 | scm_putc ('h', port); |
0f2d19dd | 2427 | break; |
5c11cc9d | 2428 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2429 | case scm_tc7_llvect: |
5c11cc9d | 2430 | scm_putc ('l', port); |
0f2d19dd JB |
2431 | break; |
2432 | #endif | |
0f2d19dd | 2433 | case scm_tc7_fvect: |
b7f3516f | 2434 | scm_putc ('s', port); |
0f2d19dd | 2435 | break; |
0f2d19dd | 2436 | case scm_tc7_dvect: |
b7f3516f | 2437 | scm_putc ('i', port); |
0f2d19dd JB |
2438 | break; |
2439 | case scm_tc7_cvect: | |
b7f3516f | 2440 | scm_putc ('c', port); |
0f2d19dd | 2441 | break; |
0f2d19dd | 2442 | } |
b7f3516f | 2443 | scm_putc ('(', port); |
9882ea19 | 2444 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2445 | scm_putc (')', port); |
0f2d19dd JB |
2446 | return 1; |
2447 | } | |
2448 | ||
3b3b36dd | 2449 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2450 | (SCM ra), |
b380b885 MD |
2451 | "Returns an object that would produce an array of the same type as\n" |
2452 | "@var{array}, if used as the @var{prototype} for\n" | |
2453 | "@code{make-uniform-array}.") | |
1bbd0b84 | 2454 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2455 | { |
2456 | int enclosed = 0; | |
2457 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2458 | loop: | |
2459 | switch SCM_TYP7 | |
2460 | (ra) | |
2461 | { | |
2462 | default: | |
1bbd0b84 | 2463 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
2464 | case scm_tc7_smob: |
2465 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2466 | if (enclosed++) | |
2467 | return SCM_UNSPECIFIED; | |
2468 | ra = SCM_ARRAY_V (ra); | |
2469 | goto loop; | |
2470 | case scm_tc7_vector: | |
95f5b0f5 | 2471 | case scm_tc7_wvect: |
0f2d19dd JB |
2472 | return SCM_EOL; |
2473 | case scm_tc7_bvect: | |
2474 | return SCM_BOOL_T; | |
2475 | case scm_tc7_string: | |
7866a09b | 2476 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2477 | case scm_tc7_byvect: |
7866a09b | 2478 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2479 | case scm_tc7_uvect: |
2480 | return SCM_MAKINUM (1L); | |
2481 | case scm_tc7_ivect: | |
2482 | return SCM_MAKINUM (-1L); | |
2483 | case scm_tc7_svect: | |
2484 | return SCM_CDR (scm_intern ("s", 1)); | |
5c11cc9d | 2485 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2486 | case scm_tc7_llvect: |
2487 | return SCM_CDR (scm_intern ("l", 1)); | |
2488 | #endif | |
0f2d19dd | 2489 | case scm_tc7_fvect: |
bc86da5d | 2490 | return scm_make_real (1.0); |
0f2d19dd | 2491 | case scm_tc7_dvect: |
bc86da5d | 2492 | return scm_make_real (1.0 / 3.0); |
0f2d19dd | 2493 | case scm_tc7_cvect: |
bc86da5d | 2494 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2495 | } |
2496 | } | |
1bbd0b84 | 2497 | #undef FUNC_NAME |
0f2d19dd | 2498 | |
1cc91f1b | 2499 | |
0f2d19dd | 2500 | static SCM |
1bbd0b84 | 2501 | markra (SCM ptr) |
0f2d19dd | 2502 | { |
0f2d19dd JB |
2503 | return SCM_ARRAY_V (ptr); |
2504 | } | |
2505 | ||
1cc91f1b | 2506 | |
0f2d19dd | 2507 | static scm_sizet |
1bbd0b84 | 2508 | freera (SCM ptr) |
0f2d19dd JB |
2509 | { |
2510 | scm_must_free (SCM_CHARS (ptr)); | |
2511 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); | |
2512 | } | |
2513 | ||
0f2d19dd JB |
2514 | void |
2515 | scm_init_unif () | |
0f2d19dd | 2516 | { |
23a62151 MD |
2517 | scm_tc16_array = scm_make_smob_type_mfpe ("array", 0, |
2518 | markra, | |
2519 | freera, | |
2520 | scm_raprin1, | |
2521 | scm_array_equal_p); | |
0f2d19dd | 2522 | scm_add_feature ("array"); |
23a62151 | 2523 | #include "unif.x" |
0f2d19dd | 2524 | } |