Commit | Line | Data |
---|---|---|
7dc6e754 | 1 | /* Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
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" | |
62 | ||
b6791b2e | 63 | #include "validate.h" |
20e6290e | 64 | #include "unif.h" |
95b88819 | 65 | #include "ramap.h" |
0f2d19dd | 66 | |
3d8d56df GH |
67 | #ifdef HAVE_UNISTD_H |
68 | #include <unistd.h> | |
69 | #endif | |
70 | ||
0f2d19dd JB |
71 | \f |
72 | /* The set of uniform scm_vector types is: | |
73 | * Vector of: Called: | |
74 | * unsigned char string | |
75 | * char byvect | |
76 | * boolean bvect | |
a515d287 MD |
77 | * signed long ivect |
78 | * unsigned long uvect | |
0f2d19dd JB |
79 | * float fvect |
80 | * double dvect | |
81 | * complex double cvect | |
82 | * short svect | |
5c11cc9d | 83 | * long long llvect |
0f2d19dd JB |
84 | */ |
85 | ||
86 | long scm_tc16_array; | |
87 | ||
afe5177e GH |
88 | /* return the size of an element in a uniform array or 0 if type not |
89 | found. */ | |
90 | scm_sizet | |
91 | scm_uniform_element_size (SCM obj) | |
0f2d19dd | 92 | { |
afe5177e | 93 | scm_sizet result; |
0f2d19dd | 94 | |
afe5177e | 95 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 96 | { |
0f2d19dd | 97 | case scm_tc7_bvect: |
0f2d19dd JB |
98 | case scm_tc7_uvect: |
99 | case scm_tc7_ivect: | |
afe5177e | 100 | result = sizeof (long); |
0f2d19dd | 101 | break; |
afe5177e | 102 | |
0f2d19dd | 103 | case scm_tc7_byvect: |
afe5177e | 104 | result = sizeof (char); |
0f2d19dd JB |
105 | break; |
106 | ||
107 | case scm_tc7_svect: | |
afe5177e | 108 | result = sizeof (short); |
0f2d19dd | 109 | break; |
afe5177e | 110 | |
5c11cc9d | 111 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 112 | case scm_tc7_llvect: |
afe5177e | 113 | result = sizeof (long_long); |
0f2d19dd JB |
114 | break; |
115 | #endif | |
116 | ||
117 | #ifdef SCM_FLOATS | |
118 | #ifdef SCM_SINGLES | |
119 | case scm_tc7_fvect: | |
afe5177e | 120 | result = sizeof (float); |
0f2d19dd JB |
121 | break; |
122 | #endif | |
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 JB |
130 | break; |
131 | #endif | |
afe5177e GH |
132 | |
133 | default: | |
134 | result = 0; | |
0f2d19dd | 135 | } |
afe5177e | 136 | return result; |
0f2d19dd JB |
137 | } |
138 | ||
139 | ||
0f2d19dd JB |
140 | #ifdef SCM_FLOATS |
141 | #ifdef SCM_SINGLES | |
142 | ||
1cc91f1b | 143 | |
0f2d19dd | 144 | SCM |
805df3e8 | 145 | scm_makflo (float x) |
0f2d19dd JB |
146 | { |
147 | SCM z; | |
148 | if (x == 0.0) | |
149 | return scm_flo0; | |
150 | SCM_NEWCELL (z); | |
151 | SCM_DEFER_INTS; | |
898a256f | 152 | SCM_SETCAR (z, scm_tc_flo); |
0f2d19dd JB |
153 | SCM_FLO (z) = x; |
154 | SCM_ALLOW_INTS; | |
155 | return z; | |
156 | } | |
157 | #endif | |
158 | #endif | |
159 | ||
1cc91f1b | 160 | |
0f2d19dd | 161 | SCM |
1bbd0b84 | 162 | scm_make_uve (long k, SCM prot) |
0f2d19dd JB |
163 | { |
164 | SCM v; | |
165 | long i, type; | |
166 | if (SCM_BOOL_T == prot) | |
167 | { | |
168 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); | |
169 | type = scm_tc7_bvect; | |
170 | } | |
7866a09b | 171 | else if (SCM_CHARP (prot) && (prot == SCM_MAKE_CHAR ('\0'))) |
0f2d19dd JB |
172 | { |
173 | i = sizeof (char) * k; | |
174 | type = scm_tc7_byvect; | |
175 | } | |
7866a09b | 176 | else if (SCM_CHARP (prot)) |
0f2d19dd JB |
177 | { |
178 | i = sizeof (char) * k; | |
179 | type = scm_tc7_string; | |
180 | } | |
181 | else if (SCM_INUMP (prot)) | |
182 | { | |
183 | i = sizeof (long) * k; | |
184 | if (SCM_INUM (prot) > 0) | |
185 | type = scm_tc7_uvect; | |
186 | else | |
187 | type = scm_tc7_ivect; | |
188 | } | |
0c95b57d | 189 | else if (SCM_SYMBOLP (prot) && (1 == SCM_LENGTH (prot))) |
0f2d19dd JB |
190 | { |
191 | char s; | |
192 | ||
193 | s = SCM_CHARS (prot)[0]; | |
194 | if (s == 's') | |
195 | { | |
196 | i = sizeof (short) * k; | |
197 | type = scm_tc7_svect; | |
198 | } | |
5c11cc9d | 199 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
200 | else if (s == 'l') |
201 | { | |
202 | i = sizeof (long_long) * k; | |
203 | type = scm_tc7_llvect; | |
204 | } | |
205 | #endif | |
206 | else | |
207 | { | |
a8741caa | 208 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); |
0f2d19dd JB |
209 | } |
210 | } | |
211 | else | |
212 | #ifdef SCM_FLOATS | |
213 | if (SCM_IMP (prot) || !SCM_INEXP (prot)) | |
214 | #endif | |
215 | /* Huge non-unif vectors are NOT supported. */ | |
5c11cc9d GH |
216 | /* no special scm_vector */ |
217 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); | |
0f2d19dd JB |
218 | #ifdef SCM_FLOATS |
219 | #ifdef SCM_SINGLES | |
220 | else if (SCM_SINGP (prot)) | |
221 | ||
222 | { | |
223 | i = sizeof (float) * k; | |
224 | type = scm_tc7_fvect; | |
225 | } | |
226 | #endif | |
227 | else if (SCM_CPLXP (prot)) | |
228 | { | |
229 | i = 2 * sizeof (double) * k; | |
230 | type = scm_tc7_cvect; | |
231 | } | |
232 | else | |
233 | { | |
234 | i = sizeof (double) * k; | |
235 | type = scm_tc7_dvect; | |
236 | } | |
237 | #endif | |
238 | ||
239 | SCM_NEWCELL (v); | |
240 | SCM_DEFER_INTS; | |
5c11cc9d | 241 | SCM_SETCHARS (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
0f2d19dd JB |
242 | SCM_SETLENGTH (v, (k < SCM_LENGTH_MAX ? k : SCM_LENGTH_MAX), type); |
243 | SCM_ALLOW_INTS; | |
244 | return v; | |
245 | } | |
246 | ||
3b3b36dd | 247 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1bbd0b84 | 248 | (SCM v), |
b380b885 | 249 | "Returns the number of elements in @var{uve}.") |
1bbd0b84 | 250 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
251 | { |
252 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
253 | switch SCM_TYP7 | |
254 | (v) | |
255 | { | |
256 | default: | |
1bbd0b84 | 257 | badarg1:SCM_WTA(1,v); |
0f2d19dd JB |
258 | case scm_tc7_bvect: |
259 | case scm_tc7_string: | |
260 | case scm_tc7_byvect: | |
261 | case scm_tc7_uvect: | |
262 | case scm_tc7_ivect: | |
263 | case scm_tc7_fvect: | |
264 | case scm_tc7_dvect: | |
265 | case scm_tc7_cvect: | |
266 | case scm_tc7_vector: | |
95f5b0f5 | 267 | case scm_tc7_wvect: |
0f2d19dd | 268 | case scm_tc7_svect: |
5c11cc9d | 269 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
270 | case scm_tc7_llvect: |
271 | #endif | |
272 | return SCM_MAKINUM (SCM_LENGTH (v)); | |
273 | } | |
274 | } | |
1bbd0b84 | 275 | #undef FUNC_NAME |
0f2d19dd | 276 | |
3b3b36dd | 277 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 278 | (SCM v, SCM prot), |
b380b885 MD |
279 | "Returns @code{#t} if the @var{obj} is an array, and @code{#f} if not.\n\n" |
280 | "The @var{prototype} argument is used with uniform arrays and is described\n" | |
281 | "elsewhere.") | |
1bbd0b84 | 282 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
283 | { |
284 | int nprot; | |
285 | int enclosed; | |
286 | nprot = SCM_UNBNDP (prot); | |
287 | enclosed = 0; | |
288 | if (SCM_IMP (v)) | |
289 | return SCM_BOOL_F; | |
c209c88e GB |
290 | |
291 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 292 | { |
0f2d19dd JB |
293 | if (!SCM_ARRAYP (v)) |
294 | return SCM_BOOL_F; | |
295 | if (nprot) | |
296 | return SCM_BOOL_T; | |
297 | if (enclosed++) | |
298 | return SCM_BOOL_F; | |
299 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
300 | } |
301 | if (nprot) | |
302 | return SCM_BOOL(nprot); | |
303 | else | |
304 | { | |
305 | int protp = 0; | |
306 | ||
307 | switch (SCM_TYP7 (v)) | |
308 | { | |
309 | case scm_tc7_bvect: | |
310 | protp = (SCM_BOOL_T==prot); | |
311 | case scm_tc7_string: | |
312 | protp = SCM_ICHRP(prot) && (prot != SCM_MAKICHR('\0')); | |
313 | case scm_tc7_byvect: | |
314 | protp = prot == SCM_MAKICHR('\0'); | |
315 | case scm_tc7_uvect: | |
316 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
317 | case scm_tc7_ivect: | |
318 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
319 | ||
320 | case scm_tc7_svect: | |
321 | protp = SCM_SYMBOLP (prot) | |
322 | && (1 == SCM_LENGTH (prot)) | |
323 | && ('s' == SCM_CHARS (prot)[0]); | |
5c11cc9d | 324 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
325 | case scm_tc7_llvect: |
326 | protp = SCM_SYMBOLP (prot) | |
327 | && (1 == SCM_LENGTH (prot)) | |
328 | && ('s' == SCM_CHARS (prot)[0]); | |
0f2d19dd JB |
329 | #endif |
330 | # ifdef SCM_FLOATS | |
331 | # ifdef SCM_SINGLES | |
c209c88e GB |
332 | case scm_tc7_fvect: |
333 | protp = SCM_SINGP(prot); | |
0f2d19dd | 334 | # endif |
c209c88e GB |
335 | case scm_tc7_dvect: |
336 | protp = SCM_REALP(prot); | |
337 | case scm_tc7_cvect: | |
338 | protp = SCM_CPLXP(prot); | |
0f2d19dd | 339 | # endif |
c209c88e GB |
340 | case scm_tc7_vector: |
341 | case scm_tc7_wvect: | |
342 | protp = SCM_NULLP(prot); | |
343 | default: | |
344 | /* no default */ | |
345 | ; | |
346 | } | |
347 | return SCM_BOOL(protp); | |
0f2d19dd | 348 | } |
0f2d19dd | 349 | } |
1bbd0b84 | 350 | #undef FUNC_NAME |
0f2d19dd JB |
351 | |
352 | ||
3b3b36dd | 353 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 354 | (SCM ra), |
b380b885 MD |
355 | "Returns the number of dimensions of @var{obj}. If @var{obj} is not an\n" |
356 | "array, @code{0} is returned.") | |
1bbd0b84 | 357 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
358 | { |
359 | if (SCM_IMP (ra)) | |
1bbd0b84 | 360 | return SCM_INUM0; |
0f2d19dd JB |
361 | switch (SCM_TYP7 (ra)) |
362 | { | |
363 | default: | |
364 | return SCM_INUM0; | |
365 | case scm_tc7_string: | |
366 | case scm_tc7_vector: | |
95f5b0f5 | 367 | case scm_tc7_wvect: |
0f2d19dd JB |
368 | case scm_tc7_byvect: |
369 | case scm_tc7_uvect: | |
370 | case scm_tc7_ivect: | |
371 | case scm_tc7_fvect: | |
372 | case scm_tc7_cvect: | |
373 | case scm_tc7_dvect: | |
5c11cc9d | 374 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
375 | case scm_tc7_llvect: |
376 | #endif | |
377 | case scm_tc7_svect: | |
378 | return SCM_MAKINUM (1L); | |
379 | case scm_tc7_smob: | |
380 | if (SCM_ARRAYP (ra)) | |
381 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
382 | return SCM_INUM0; | |
383 | } | |
384 | } | |
1bbd0b84 | 385 | #undef FUNC_NAME |
0f2d19dd JB |
386 | |
387 | ||
3b3b36dd | 388 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 389 | (SCM ra), |
b380b885 MD |
390 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
391 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
392 | "@example\n" | |
393 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" | |
394 | "@end example") | |
1bbd0b84 | 395 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
396 | { |
397 | SCM res = SCM_EOL; | |
398 | scm_sizet k; | |
399 | scm_array_dim *s; | |
400 | if (SCM_IMP (ra)) | |
1bbd0b84 | 401 | return SCM_BOOL_F; |
0f2d19dd JB |
402 | switch (SCM_TYP7 (ra)) |
403 | { | |
404 | default: | |
405 | return SCM_BOOL_F; | |
406 | case scm_tc7_string: | |
407 | case scm_tc7_vector: | |
95f5b0f5 | 408 | case scm_tc7_wvect: |
0f2d19dd JB |
409 | case scm_tc7_bvect: |
410 | case scm_tc7_byvect: | |
411 | case scm_tc7_uvect: | |
412 | case scm_tc7_ivect: | |
413 | case scm_tc7_fvect: | |
414 | case scm_tc7_cvect: | |
415 | case scm_tc7_dvect: | |
416 | case scm_tc7_svect: | |
5c11cc9d | 417 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
418 | case scm_tc7_llvect: |
419 | #endif | |
420 | return scm_cons (SCM_MAKINUM (SCM_LENGTH (ra)), SCM_EOL); | |
421 | case scm_tc7_smob: | |
422 | if (!SCM_ARRAYP (ra)) | |
423 | return SCM_BOOL_F; | |
424 | k = SCM_ARRAY_NDIM (ra); | |
425 | s = SCM_ARRAY_DIMS (ra); | |
426 | while (k--) | |
427 | res = scm_cons (s[k].lbnd ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), SCM_MAKINUM (s[k].ubnd), SCM_EOL) : | |
428 | SCM_MAKINUM (1 + (s[k].ubnd)) | |
429 | , res); | |
430 | return res; | |
431 | } | |
432 | } | |
1bbd0b84 | 433 | #undef FUNC_NAME |
0f2d19dd JB |
434 | |
435 | ||
436 | static char s_bad_ind[] = "Bad scm_array index"; | |
437 | ||
1cc91f1b | 438 | |
0f2d19dd | 439 | long |
1bbd0b84 | 440 | scm_aind (SCM ra, SCM args, const char *what) |
0f2d19dd JB |
441 | { |
442 | SCM ind; | |
443 | register long j; | |
444 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
445 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
446 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
447 | if (SCM_INUMP (args)) | |
0f2d19dd | 448 | { |
f5bf2977 | 449 | SCM_ASSERT (1 == k, scm_makfrom0str (what), SCM_WNA, NULL); |
0f2d19dd JB |
450 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
451 | } | |
452 | while (k && SCM_NIMP (args)) | |
453 | { | |
454 | ind = SCM_CAR (args); | |
455 | args = SCM_CDR (args); | |
456 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, what); | |
457 | j = SCM_INUM (ind); | |
458 | SCM_ASSERT (j >= (s->lbnd) && j <= (s->ubnd), ind, SCM_OUTOFRANGE, what); | |
459 | pos += (j - s->lbnd) * (s->inc); | |
460 | k--; | |
461 | s++; | |
462 | } | |
f5bf2977 GH |
463 | SCM_ASSERT (0 == k && SCM_NULLP (args), scm_makfrom0str (what), SCM_WNA, |
464 | NULL); | |
0f2d19dd JB |
465 | return pos; |
466 | } | |
467 | ||
468 | ||
1cc91f1b | 469 | |
0f2d19dd | 470 | SCM |
1bbd0b84 | 471 | scm_make_ra (int ndim) |
0f2d19dd JB |
472 | { |
473 | SCM ra; | |
474 | SCM_NEWCELL (ra); | |
475 | SCM_DEFER_INTS; | |
23a62151 MD |
476 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
477 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 478 | "array")); |
0f2d19dd JB |
479 | SCM_ARRAY_V (ra) = scm_nullvect; |
480 | SCM_ALLOW_INTS; | |
481 | return ra; | |
482 | } | |
483 | ||
484 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
485 | /* Increments will still need to be set. */ | |
486 | ||
1cc91f1b | 487 | |
0f2d19dd | 488 | SCM |
1bbd0b84 | 489 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
490 | { |
491 | scm_array_dim *s; | |
492 | SCM ra, spec, sp; | |
493 | int ndim = scm_ilength (args); | |
494 | SCM_ASSERT (0 <= ndim, args, s_bad_spec, what); | |
495 | ra = scm_make_ra (ndim); | |
496 | SCM_ARRAY_BASE (ra) = 0; | |
497 | s = SCM_ARRAY_DIMS (ra); | |
498 | for (; SCM_NIMP (args); s++, args = SCM_CDR (args)) | |
499 | { | |
500 | spec = SCM_CAR (args); | |
501 | if (SCM_IMP (spec)) | |
502 | ||
503 | { | |
20a54673 GH |
504 | SCM_ASSERT (SCM_INUMP (spec) && SCM_INUM (spec) >= 0, spec, |
505 | s_bad_spec, what); | |
0f2d19dd JB |
506 | s->lbnd = 0; |
507 | s->ubnd = SCM_INUM (spec) - 1; | |
508 | s->inc = 1; | |
509 | } | |
510 | else | |
511 | { | |
20a54673 GH |
512 | SCM_ASSERT (SCM_CONSP (spec) && SCM_INUMP (SCM_CAR (spec)), spec, |
513 | s_bad_spec, what); | |
0f2d19dd JB |
514 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
515 | sp = SCM_CDR (spec); | |
0c95b57d | 516 | SCM_ASSERT (SCM_CONSP (sp) |
20a54673 GH |
517 | && SCM_INUMP (SCM_CAR (sp)) && SCM_NULLP (SCM_CDR (sp)), |
518 | spec, s_bad_spec, what); | |
0f2d19dd JB |
519 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
520 | s->inc = 1; | |
521 | } | |
522 | } | |
523 | return ra; | |
524 | } | |
525 | ||
3b3b36dd | 526 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1bbd0b84 | 527 | (SCM dims, SCM prot, SCM fill), |
b380b885 MD |
528 | "@deffnx primitive make-uniform-vector length prototype [fill]\n" |
529 | "Creates and returns a uniform array or vector of type corresponding to\n" | |
530 | "@var{prototype} with dimensions @var{dims} or length @var{length}. If\n" | |
531 | "@var{fill} is supplied, it's used to fill the array, otherwise \n" | |
532 | "@var{prototype} is used.") | |
1bbd0b84 | 533 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd JB |
534 | { |
535 | scm_sizet k, vlen = 1; | |
536 | long rlen = 1; | |
537 | scm_array_dim *s; | |
538 | SCM ra; | |
539 | if (SCM_INUMP (dims)) | |
cda139a7 | 540 | { |
0f2d19dd JB |
541 | if (SCM_INUM (dims) < SCM_LENGTH_MAX) |
542 | { | |
5c11cc9d GH |
543 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
544 | ||
545 | if (!SCM_UNBNDP (fill)) | |
546 | scm_array_fill_x (answer, fill); | |
0c95b57d | 547 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
548 | scm_array_fill_x (answer, SCM_MAKINUM (0)); |
549 | else | |
550 | scm_array_fill_x (answer, prot); | |
551 | return answer; | |
552 | } | |
553 | else | |
554 | dims = scm_cons (dims, SCM_EOL); | |
cda139a7 | 555 | } |
0c95b57d GB |
556 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
557 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 558 | ra = scm_shap2ra (dims, FUNC_NAME); |
898a256f | 559 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
560 | s = SCM_ARRAY_DIMS (ra); |
561 | k = SCM_ARRAY_NDIM (ra); | |
562 | while (k--) | |
563 | { | |
564 | s[k].inc = (rlen > 0 ? rlen : 0); | |
565 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; | |
566 | vlen *= (s[k].ubnd - s[k].lbnd + 1); | |
567 | } | |
568 | if (rlen < SCM_LENGTH_MAX) | |
569 | SCM_ARRAY_V (ra) = scm_make_uve ((rlen > 0 ? rlen : 0L), prot); | |
570 | else | |
571 | { | |
572 | scm_sizet bit; | |
573 | switch (SCM_TYP7 (scm_make_uve (0L, prot))) | |
574 | { | |
575 | default: | |
576 | bit = SCM_LONG_BIT; | |
577 | break; | |
578 | case scm_tc7_bvect: | |
579 | bit = 1; | |
580 | break; | |
581 | case scm_tc7_string: | |
582 | bit = SCM_CHAR_BIT; | |
583 | break; | |
584 | case scm_tc7_fvect: | |
585 | bit = sizeof (float) * SCM_CHAR_BIT / sizeof (char); | |
586 | break; | |
587 | case scm_tc7_dvect: | |
588 | bit = sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
589 | break; | |
590 | case scm_tc7_cvect: | |
591 | bit = 2 * sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
592 | break; | |
593 | } | |
594 | SCM_ARRAY_BASE (ra) = (SCM_LONG_BIT + bit - 1) / bit; | |
595 | rlen += SCM_ARRAY_BASE (ra); | |
596 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); | |
597 | *((long *) SCM_VELTS (SCM_ARRAY_V (ra))) = rlen; | |
598 | } | |
5c11cc9d | 599 | if (!SCM_UNBNDP (fill)) |
0f2d19dd | 600 | { |
5c11cc9d | 601 | scm_array_fill_x (ra, fill); |
0f2d19dd | 602 | } |
0c95b57d | 603 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
604 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
605 | else | |
606 | scm_array_fill_x (ra, prot); | |
607 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) | |
608 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
609 | return SCM_ARRAY_V (ra); | |
610 | return ra; | |
611 | } | |
1bbd0b84 | 612 | #undef FUNC_NAME |
0f2d19dd | 613 | |
1cc91f1b | 614 | |
0f2d19dd | 615 | void |
1bbd0b84 | 616 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
617 | { |
618 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 619 | if (k) |
0f2d19dd | 620 | { |
fe0c6dae JB |
621 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
622 | while (k--) | |
0f2d19dd | 623 | { |
fe0c6dae JB |
624 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
625 | { | |
898a256f | 626 | SCM_SETAND_CAR (ra, ~SCM_ARRAY_CONTIGUOUS); |
fe0c6dae JB |
627 | return; |
628 | } | |
629 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
630 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 631 | } |
0f2d19dd | 632 | } |
898a256f | 633 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
634 | } |
635 | ||
636 | ||
3b3b36dd | 637 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 638 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
639 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
640 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
641 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
642 | "linear, and its range must stay within the bounds of the old array, but\n" | |
643 | "it can be otherwise arbitrary. A simple example:\n" | |
644 | "@example\n" | |
645 | "(define fred (make-array #f 8 8))\n" | |
646 | "(define freds-diagonal\n" | |
647 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
648 | "(array-set! freds-diagonal 'foo 3)\n" | |
649 | "(array-ref fred 3 3) @result{} foo\n" | |
650 | "(define freds-center\n" | |
651 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
652 | "(array-ref freds-center 0 0) @result{} foo\n" | |
653 | "@end example") | |
1bbd0b84 | 654 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
655 | { |
656 | SCM ra; | |
657 | SCM inds, indptr; | |
658 | SCM imap; | |
659 | scm_sizet i, k; | |
660 | long old_min, new_min, old_max, new_max; | |
661 | scm_array_dim *s; | |
3b3b36dd GB |
662 | SCM_VALIDATE_ARRAY (1,oldra); |
663 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 664 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
665 | if (SCM_ARRAYP (oldra)) |
666 | { | |
667 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
668 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
669 | s = SCM_ARRAY_DIMS (oldra); | |
670 | k = SCM_ARRAY_NDIM (oldra); | |
671 | while (k--) | |
672 | { | |
673 | if (s[k].inc > 0) | |
674 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
675 | else | |
676 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
677 | } | |
678 | } | |
679 | else | |
680 | { | |
681 | SCM_ARRAY_V (ra) = oldra; | |
682 | old_min = 0; | |
683 | old_max = (long) SCM_LENGTH (oldra) - 1; | |
684 | } | |
685 | inds = SCM_EOL; | |
686 | s = SCM_ARRAY_DIMS (ra); | |
687 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
688 | { | |
689 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
690 | if (s[k].ubnd < s[k].lbnd) | |
691 | { | |
692 | if (1 == SCM_ARRAY_NDIM (ra)) | |
693 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
694 | else | |
695 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
696 | return ra; | |
697 | } | |
698 | } | |
92396c0a | 699 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 700 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 701 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
702 | else |
703 | { | |
704 | if (SCM_NINUMP (imap)) | |
705 | ||
706 | { | |
707 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 708 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
709 | imap = SCM_CAR (imap); |
710 | } | |
711 | i = SCM_INUM (imap); | |
712 | } | |
713 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
714 | indptr = inds; | |
715 | k = SCM_ARRAY_NDIM (ra); | |
716 | while (k--) | |
717 | { | |
718 | if (s[k].ubnd > s[k].lbnd) | |
719 | { | |
898a256f | 720 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
721 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
722 | if (SCM_ARRAYP (oldra)) | |
723 | ||
1bbd0b84 | 724 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
725 | else |
726 | { | |
727 | if (SCM_NINUMP (imap)) | |
728 | ||
729 | { | |
730 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 731 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
732 | imap = SCM_CAR (imap); |
733 | } | |
734 | s[k].inc = (long) SCM_INUM (imap) - i; | |
735 | } | |
736 | i += s[k].inc; | |
737 | if (s[k].inc > 0) | |
738 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
739 | else | |
740 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
741 | } | |
742 | else | |
743 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
744 | indptr = SCM_CDR (indptr); | |
745 | } | |
746 | SCM_ASSERT (old_min <= new_min && old_max >= new_max, SCM_UNDEFINED, | |
1bbd0b84 | 747 | "mapping out of range", FUNC_NAME); |
0f2d19dd JB |
748 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
749 | { | |
750 | if (1 == s->inc && 0 == s->lbnd | |
751 | && SCM_LENGTH (SCM_ARRAY_V (ra)) == 1 + s->ubnd) | |
752 | return SCM_ARRAY_V (ra); | |
753 | if (s->ubnd < s->lbnd) | |
754 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
755 | } | |
756 | scm_ra_set_contp (ra); | |
757 | return ra; | |
758 | } | |
1bbd0b84 | 759 | #undef FUNC_NAME |
0f2d19dd JB |
760 | |
761 | ||
762 | /* args are RA . DIMS */ | |
3b3b36dd | 763 | SCM_DEFINE (scm_transpose_array, "transpose-array", 0, 0, 1, |
1bbd0b84 | 764 | (SCM args), |
b380b885 MD |
765 | "Returns an array sharing contents with @var{array}, but with dimensions\n" |
766 | "arranged in a different order. There must be one @var{dim} argument for\n" | |
767 | "each dimension of @var{array}. @var{dim0}, @var{dim1}, @dots{} should\n" | |
768 | "be integers between 0 and the rank of the array to be returned. Each\n" | |
769 | "integer in that range must appear at least once in the argument list.\n\n" | |
770 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to dimensions\n" | |
771 | "in the array to be returned, their positions in the argument list to\n" | |
772 | "dimensions of @var{array}. Several @var{dim}s may have the same value,\n" | |
773 | "in which case the returned array will have smaller rank than\n" | |
774 | "@var{array}.\n\n" | |
775 | "examples:\n" | |
776 | "@example\n" | |
777 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" | |
778 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
779 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
780 | " #2((a 4) (b 5) (c 6))\n" | |
781 | "@end example") | |
1bbd0b84 | 782 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd JB |
783 | { |
784 | SCM ra, res, vargs, *ve = &vargs; | |
785 | scm_array_dim *s, *r; | |
786 | int ndim, i, k; | |
1bbd0b84 | 787 | SCM_ASSERT (SCM_NNULLP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 788 | SCM_WNA, NULL); |
0f2d19dd | 789 | ra = SCM_CAR (args); |
1bbd0b84 | 790 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 791 | args = SCM_CDR (args); |
f5bf2977 | 792 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
793 | { |
794 | default: | |
1bbd0b84 | 795 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
796 | case scm_tc7_bvect: |
797 | case scm_tc7_string: | |
798 | case scm_tc7_byvect: | |
799 | case scm_tc7_uvect: | |
800 | case scm_tc7_ivect: | |
801 | case scm_tc7_fvect: | |
802 | case scm_tc7_dvect: | |
803 | case scm_tc7_cvect: | |
804 | case scm_tc7_svect: | |
5c11cc9d | 805 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
806 | case scm_tc7_llvect: |
807 | #endif | |
f5bf2977 | 808 | SCM_ASSERT (SCM_NIMP (args) && SCM_NULLP (SCM_CDR (args)), |
1bbd0b84 | 809 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 810 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), SCM_CAR (args), SCM_ARG2, |
1bbd0b84 | 811 | FUNC_NAME); |
f5bf2977 | 812 | SCM_ASSERT (SCM_INUM0 == SCM_CAR (args), SCM_CAR (args), SCM_OUTOFRANGE, |
1bbd0b84 | 813 | FUNC_NAME); |
0f2d19dd JB |
814 | return ra; |
815 | case scm_tc7_smob: | |
816 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
817 | vargs = scm_vector (args); | |
f5bf2977 | 818 | SCM_ASSERT (SCM_LENGTH (vargs) == SCM_ARRAY_NDIM (ra), |
1bbd0b84 | 819 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 820 | ve = SCM_VELTS (vargs); |
0f2d19dd JB |
821 | ndim = 0; |
822 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
823 | { | |
20a54673 | 824 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 825 | FUNC_NAME); |
0f2d19dd | 826 | i = SCM_INUM (ve[k]); |
20a54673 | 827 | SCM_ASSERT (i >= 0 && i < SCM_ARRAY_NDIM (ra), ve[k], |
1bbd0b84 | 828 | SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
829 | if (ndim < i) |
830 | ndim = i; | |
831 | } | |
832 | ndim++; | |
833 | res = scm_make_ra (ndim); | |
834 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
835 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
836 | for (k = ndim; k--;) | |
837 | { | |
838 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
839 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
840 | } | |
841 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
842 | { | |
843 | i = SCM_INUM (ve[k]); | |
844 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
845 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
846 | if (r->ubnd < r->lbnd) | |
847 | { | |
848 | r->lbnd = s->lbnd; | |
849 | r->ubnd = s->ubnd; | |
850 | r->inc = s->inc; | |
851 | ndim--; | |
852 | } | |
853 | else | |
854 | { | |
855 | if (r->ubnd > s->ubnd) | |
856 | r->ubnd = s->ubnd; | |
857 | if (r->lbnd < s->lbnd) | |
858 | { | |
859 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
860 | r->lbnd = s->lbnd; | |
861 | } | |
862 | r->inc += s->inc; | |
863 | } | |
864 | } | |
1bbd0b84 | 865 | SCM_ASSERT (ndim <= 0, args, "bad argument list", FUNC_NAME); |
0f2d19dd JB |
866 | scm_ra_set_contp (res); |
867 | return res; | |
868 | } | |
869 | } | |
1bbd0b84 | 870 | #undef FUNC_NAME |
0f2d19dd JB |
871 | |
872 | /* args are RA . AXES */ | |
3b3b36dd | 873 | SCM_DEFINE (scm_enclose_array, "enclose-array", 0, 0, 1, |
1bbd0b84 | 874 | (SCM axes), |
b380b885 MD |
875 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
876 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
877 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
878 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
879 | "the dimensions of the outer array are the same as those of the original\n" | |
880 | "array that did not match a @var{dim}.\n\n" | |
881 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
882 | "be set using @code{array-set!}. Two references to the same element of\n" | |
883 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
884 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
885 | "enclosed array is unspecified.\n\n" | |
886 | "examples:\n" | |
887 | "@example\n" | |
888 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" | |
889 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
890 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
891 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
892 | "@end example") | |
1bbd0b84 | 893 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd JB |
894 | { |
895 | SCM axv, ra, res, ra_inr; | |
896 | scm_array_dim vdim, *s = &vdim; | |
897 | int ndim, j, k, ninr, noutr; | |
1bbd0b84 | 898 | SCM_ASSERT (SCM_NIMP (axes), scm_makfrom0str (FUNC_NAME), SCM_WNA, |
f5bf2977 | 899 | NULL); |
0f2d19dd JB |
900 | ra = SCM_CAR (axes); |
901 | axes = SCM_CDR (axes); | |
902 | if (SCM_NULLP (axes)) | |
0f2d19dd JB |
903 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
904 | ninr = scm_ilength (axes); | |
905 | ra_inr = scm_make_ra (ninr); | |
906 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
907 | switch SCM_TYP7 | |
908 | (ra) | |
909 | { | |
910 | default: | |
1bbd0b84 | 911 | badarg1:SCM_WTA (1,ra); |
0f2d19dd JB |
912 | case scm_tc7_string: |
913 | case scm_tc7_bvect: | |
914 | case scm_tc7_byvect: | |
915 | case scm_tc7_uvect: | |
916 | case scm_tc7_ivect: | |
917 | case scm_tc7_fvect: | |
918 | case scm_tc7_dvect: | |
919 | case scm_tc7_cvect: | |
920 | case scm_tc7_vector: | |
95f5b0f5 | 921 | case scm_tc7_wvect: |
0f2d19dd | 922 | case scm_tc7_svect: |
5c11cc9d | 923 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
924 | case scm_tc7_llvect: |
925 | #endif | |
926 | s->lbnd = 0; | |
927 | s->ubnd = SCM_LENGTH (ra) - 1; | |
928 | s->inc = 1; | |
929 | SCM_ARRAY_V (ra_inr) = ra; | |
930 | SCM_ARRAY_BASE (ra_inr) = 0; | |
931 | ndim = 1; | |
932 | break; | |
933 | case scm_tc7_smob: | |
934 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
935 | s = SCM_ARRAY_DIMS (ra); | |
936 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
937 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
938 | ndim = SCM_ARRAY_NDIM (ra); | |
939 | break; | |
940 | } | |
941 | noutr = ndim - ninr; | |
7866a09b | 942 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
1bbd0b84 | 943 | SCM_ASSERT (0 <= noutr && 0 <= ninr, scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 944 | SCM_WNA, NULL); |
0f2d19dd JB |
945 | res = scm_make_ra (noutr); |
946 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
947 | SCM_ARRAY_V (res) = ra_inr; | |
948 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
949 | { | |
1bbd0b84 | 950 | SCM_ASSERT (SCM_INUMP (SCM_CAR (axes)), SCM_CAR (axes), "bad axis", FUNC_NAME); |
0f2d19dd JB |
951 | j = SCM_INUM (SCM_CAR (axes)); |
952 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
953 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
954 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
955 | SCM_CHARS (axv)[j] = 1; | |
956 | } | |
957 | for (j = 0, k = 0; k < noutr; k++, j++) | |
958 | { | |
959 | while (SCM_CHARS (axv)[j]) | |
960 | j++; | |
961 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
962 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
963 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
964 | } | |
965 | scm_ra_set_contp (ra_inr); | |
966 | scm_ra_set_contp (res); | |
967 | return res; | |
968 | } | |
1bbd0b84 | 969 | #undef FUNC_NAME |
0f2d19dd JB |
970 | |
971 | ||
972 | ||
3b3b36dd | 973 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 0, 0, 1, |
1bbd0b84 | 974 | (SCM args), |
b380b885 | 975 | "Returns @code{#t} if its arguments would be acceptable to array-ref.") |
1bbd0b84 | 976 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd JB |
977 | { |
978 | SCM v, ind = SCM_EOL; | |
979 | long pos = 0; | |
980 | register scm_sizet k; | |
981 | register long j; | |
982 | scm_array_dim *s; | |
1bbd0b84 | 983 | SCM_ASSERT (SCM_NIMP (args), scm_makfrom0str (FUNC_NAME), |
f5bf2977 | 984 | SCM_WNA, NULL); |
0f2d19dd JB |
985 | v = SCM_CAR (args); |
986 | args = SCM_CDR (args); | |
987 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
988 | if (SCM_NIMP (args)) | |
989 | ||
990 | { | |
991 | ind = SCM_CAR (args); | |
992 | args = SCM_CDR (args); | |
1bbd0b84 | 993 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
994 | pos = SCM_INUM (ind); |
995 | } | |
996 | tail: | |
997 | switch SCM_TYP7 | |
998 | (v) | |
999 | { | |
1000 | default: | |
1bbd0b84 GB |
1001 | badarg1:SCM_WTA (1,v); |
1002 | wna: scm_wrong_num_args (scm_makfrom0str (FUNC_NAME)); | |
0f2d19dd JB |
1003 | case scm_tc7_smob: |
1004 | k = SCM_ARRAY_NDIM (v); | |
1005 | s = SCM_ARRAY_DIMS (v); | |
1006 | pos = SCM_ARRAY_BASE (v); | |
1007 | if (!k) | |
1008 | { | |
1009 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1010 | ind = SCM_INUM0; | |
1011 | } | |
1012 | else | |
1013 | while (!0) | |
1014 | { | |
1015 | j = SCM_INUM (ind); | |
1016 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1017 | { | |
1018 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1019 | return SCM_BOOL_F; | |
1020 | } | |
1021 | pos += (j - s->lbnd) * (s->inc); | |
1022 | if (!(--k && SCM_NIMP (args))) | |
1023 | break; | |
1024 | ind = SCM_CAR (args); | |
1025 | args = SCM_CDR (args); | |
1026 | s++; | |
1bbd0b84 | 1027 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
1028 | } |
1029 | SCM_ASRTGO (0 == k, wna); | |
1030 | v = SCM_ARRAY_V (v); | |
1031 | goto tail; | |
1032 | case scm_tc7_bvect: | |
1033 | case scm_tc7_string: | |
1034 | case scm_tc7_byvect: | |
1035 | case scm_tc7_uvect: | |
1036 | case scm_tc7_ivect: | |
1037 | case scm_tc7_fvect: | |
1038 | case scm_tc7_dvect: | |
1039 | case scm_tc7_cvect: | |
1040 | case scm_tc7_svect: | |
5c11cc9d | 1041 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1042 | case scm_tc7_llvect: |
1043 | #endif | |
1044 | case scm_tc7_vector: | |
95f5b0f5 | 1045 | case scm_tc7_wvect: |
0f2d19dd | 1046 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1bbd0b84 | 1047 | return SCM_BOOL(pos >= 0 && pos < SCM_LENGTH (v)); |
0f2d19dd JB |
1048 | } |
1049 | } | |
1bbd0b84 | 1050 | #undef FUNC_NAME |
0f2d19dd JB |
1051 | |
1052 | ||
1bbd0b84 | 1053 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1054 | |
1bbd0b84 | 1055 | |
3b3b36dd | 1056 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1057 | (SCM v, SCM args), |
b380b885 | 1058 | "Returns the element at the @code{(index1, index2)} element in @var{array}.") |
1bbd0b84 | 1059 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1060 | { |
1061 | long pos; | |
0f2d19dd | 1062 | |
35de7ebe | 1063 | if (SCM_IMP (v)) |
0f2d19dd JB |
1064 | { |
1065 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1066 | return v; | |
1067 | } | |
1068 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1069 | { |
1bbd0b84 | 1070 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1071 | v = SCM_ARRAY_V (v); |
1072 | } | |
1073 | else | |
1074 | { | |
1075 | if (SCM_NIMP (args)) | |
1076 | ||
1077 | { | |
1bbd0b84 | 1078 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1079 | pos = SCM_INUM (SCM_CAR (args)); |
1080 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1081 | } | |
1082 | else | |
1083 | { | |
3b3b36dd | 1084 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1085 | pos = SCM_INUM (args); |
1086 | } | |
1087 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1088 | } | |
1089 | switch SCM_TYP7 | |
1090 | (v) | |
1091 | { | |
1092 | default: | |
1093 | if (SCM_NULLP (args)) | |
1094 | return v; | |
35de7ebe | 1095 | badarg: |
1bbd0b84 | 1096 | SCM_WTA (1,v); |
35de7ebe | 1097 | abort (); |
c209c88e GB |
1098 | |
1099 | outrng: | |
1100 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1101 | wna: | |
1102 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1103 | case scm_tc7_smob: |
1104 | { /* enclosed */ | |
1105 | int k = SCM_ARRAY_NDIM (v); | |
1106 | SCM res = scm_make_ra (k); | |
1107 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1108 | SCM_ARRAY_BASE (res) = pos; | |
1109 | while (k--) | |
1110 | { | |
1111 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1112 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1113 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1114 | } | |
1115 | return res; | |
1116 | } | |
1117 | case scm_tc7_bvect: | |
c209c88e | 1118 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1119 | return SCM_BOOL_T; |
1120 | else | |
1121 | return SCM_BOOL_F; | |
1122 | case scm_tc7_string: | |
7866a09b | 1123 | return SCM_MAKE_CHAR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1124 | case scm_tc7_byvect: |
1125 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
1126 | # ifdef SCM_INUMS_ONLY | |
1127 | case scm_tc7_uvect: | |
1128 | case scm_tc7_ivect: | |
1129 | return SCM_MAKINUM (SCM_VELTS (v)[pos]); | |
1130 | # else | |
1131 | case scm_tc7_uvect: | |
c209c88e | 1132 | return scm_ulong2num((unsigned long ) SCM_VELTS(v)[pos]); |
0f2d19dd | 1133 | case scm_tc7_ivect: |
c209c88e | 1134 | return scm_long2num((long) SCM_VELTS(v)[pos]); |
0f2d19dd JB |
1135 | # endif |
1136 | ||
1137 | case scm_tc7_svect: | |
1138 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1139 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1140 | case scm_tc7_llvect: |
1141 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1142 | #endif | |
1143 | ||
1144 | #ifdef SCM_FLOATS | |
1145 | #ifdef SCM_SINGLES | |
1146 | case scm_tc7_fvect: | |
1147 | return scm_makflo (((float *) SCM_CDR (v))[pos]); | |
1148 | #endif | |
1149 | case scm_tc7_dvect: | |
1150 | return scm_makdbl (((double *) SCM_CDR (v))[pos], 0.0); | |
1151 | case scm_tc7_cvect: | |
1152 | return scm_makdbl (((double *) SCM_CDR (v))[2 * pos], | |
1153 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
1154 | #endif | |
1155 | case scm_tc7_vector: | |
95f5b0f5 | 1156 | case scm_tc7_wvect: |
0f2d19dd JB |
1157 | return SCM_VELTS (v)[pos]; |
1158 | } | |
1159 | } | |
1bbd0b84 | 1160 | #undef FUNC_NAME |
0f2d19dd JB |
1161 | |
1162 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1163 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1164 | |
0f2d19dd | 1165 | SCM |
6e8d25a6 | 1166 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
0f2d19dd | 1167 | { |
5c11cc9d | 1168 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1169 | { |
1170 | default: | |
1171 | scm_wta (v, (char *) SCM_ARG1, "PROGRAMMING ERROR: scm_cvref"); | |
1172 | case scm_tc7_bvect: | |
c209c88e | 1173 | if (SCM_BITVEC_REF(v,pos)) |
0f2d19dd JB |
1174 | return SCM_BOOL_T; |
1175 | else | |
1176 | return SCM_BOOL_F; | |
1177 | case scm_tc7_string: | |
7866a09b | 1178 | return SCM_MAKE_CHAR (SCM_UCHARS (v)[pos]); |
0f2d19dd JB |
1179 | case scm_tc7_byvect: |
1180 | return SCM_MAKINUM (((char *)SCM_CHARS (v))[pos]); | |
1181 | # ifdef SCM_INUMS_ONLY | |
1182 | case scm_tc7_uvect: | |
1183 | case scm_tc7_ivect: | |
1184 | return SCM_MAKINUM (SCM_VELTS (v)[pos]); | |
1185 | # else | |
1186 | case scm_tc7_uvect: | |
c209c88e | 1187 | return scm_ulong2num((unsigned long) SCM_VELTS(v)[pos]); |
0f2d19dd | 1188 | case scm_tc7_ivect: |
c209c88e | 1189 | return scm_long2num((long) SCM_VELTS(v)[pos]); |
0f2d19dd JB |
1190 | # endif |
1191 | case scm_tc7_svect: | |
1192 | return SCM_MAKINUM (((short *) SCM_CDR (v))[pos]); | |
5c11cc9d | 1193 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1194 | case scm_tc7_llvect: |
1195 | return scm_long_long2num (((long_long *) SCM_CDR (v))[pos]); | |
1196 | #endif | |
1197 | #ifdef SCM_FLOATS | |
1198 | #ifdef SCM_SINGLES | |
1199 | case scm_tc7_fvect: | |
c209c88e | 1200 | if (SCM_NIMP (last) && (last != scm_flo0) && (scm_tc_flo == SCM_CARW (last))) |
0f2d19dd JB |
1201 | { |
1202 | SCM_FLO (last) = ((float *) SCM_CDR (v))[pos]; | |
1203 | return last; | |
1204 | } | |
1205 | return scm_makflo (((float *) SCM_CDR (v))[pos]); | |
1206 | #endif | |
1207 | case scm_tc7_dvect: | |
1208 | #ifdef SCM_SINGLES | |
c209c88e | 1209 | if (SCM_NIMP (last) && scm_tc_dblr == SCM_CARW (last)) |
0f2d19dd JB |
1210 | #else |
1211 | if (SCM_NIMP (last) && (last != scm_flo0) && (scm_tc_dblr == SCM_CAR (last))) | |
1212 | #endif | |
1213 | { | |
1214 | SCM_REAL (last) = ((double *) SCM_CDR (v))[pos]; | |
1215 | return last; | |
1216 | } | |
1217 | return scm_makdbl (((double *) SCM_CDR (v))[pos], 0.0); | |
1218 | case scm_tc7_cvect: | |
c209c88e | 1219 | if (SCM_NIMP (last) && scm_tc_dblc == SCM_CARW (last)) |
0f2d19dd JB |
1220 | { |
1221 | SCM_REAL (last) = ((double *) SCM_CDR (v))[2 * pos]; | |
1222 | SCM_IMAG (last) = ((double *) SCM_CDR (v))[2 * pos + 1]; | |
1223 | return last; | |
1224 | } | |
1225 | return scm_makdbl (((double *) SCM_CDR (v))[2 * pos], | |
1226 | ((double *) SCM_CDR (v))[2 * pos + 1]); | |
1227 | #endif | |
1228 | case scm_tc7_vector: | |
95f5b0f5 | 1229 | case scm_tc7_wvect: |
0f2d19dd JB |
1230 | return SCM_VELTS (v)[pos]; |
1231 | case scm_tc7_smob: | |
1232 | { /* enclosed scm_array */ | |
1233 | int k = SCM_ARRAY_NDIM (v); | |
1234 | SCM res = scm_make_ra (k); | |
1235 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1236 | SCM_ARRAY_BASE (res) = pos; | |
1237 | while (k--) | |
1238 | { | |
1239 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1240 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1241 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1242 | } | |
1243 | return res; | |
1244 | } | |
1245 | } | |
1246 | } | |
1247 | ||
1bbd0b84 GB |
1248 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1249 | ||
1cc91f1b | 1250 | |
0aa0871f GH |
1251 | /* Note that args may be a list or an immediate object, depending which |
1252 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1253 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1254 | (SCM v, SCM obj, SCM args), |
b380b885 MD |
1255 | "Sets the element at the @code{(index1, index2)} element in @var{array} to\n" |
1256 | "@var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1257 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1258 | { |
f3667f52 | 1259 | long pos = 0; |
0f2d19dd JB |
1260 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1261 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1262 | { |
1bbd0b84 | 1263 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1264 | v = SCM_ARRAY_V (v); |
1265 | } | |
1266 | else | |
1267 | { | |
1268 | if (SCM_NIMP (args)) | |
0f2d19dd | 1269 | { |
0aa0871f | 1270 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1271 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1272 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1273 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1274 | } |
1275 | else | |
1276 | { | |
3b3b36dd | 1277 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd JB |
1278 | } |
1279 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1280 | } | |
1281 | switch (SCM_TYP7 (v)) | |
1282 | { | |
35de7ebe | 1283 | default: badarg1: |
1bbd0b84 | 1284 | SCM_WTA (1,v); |
35de7ebe | 1285 | abort (); |
c209c88e GB |
1286 | outrng: |
1287 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1288 | wna: | |
1289 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1290 | case scm_tc7_smob: /* enclosed */ |
1291 | goto badarg1; | |
1292 | case scm_tc7_bvect: | |
1293 | if (SCM_BOOL_F == obj) | |
c209c88e | 1294 | SCM_BITVEC_CLR(v,pos); |
0f2d19dd | 1295 | else if (SCM_BOOL_T == obj) |
c209c88e | 1296 | SCM_BITVEC_SET(v,pos); |
0f2d19dd | 1297 | else |
1bbd0b84 | 1298 | badobj:SCM_WTA (2,obj); |
0f2d19dd JB |
1299 | break; |
1300 | case scm_tc7_string: | |
7866a09b GB |
1301 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
1302 | SCM_UCHARS (v)[pos] = SCM_CHAR (obj); | |
0f2d19dd JB |
1303 | break; |
1304 | case scm_tc7_byvect: | |
7866a09b GB |
1305 | if (SCM_CHARP (obj)) |
1306 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1307 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1308 | ((char *)SCM_CHARS (v))[pos] = SCM_INUM (obj); |
1309 | break; | |
1310 | # ifdef SCM_INUMS_ONLY | |
1311 | case scm_tc7_uvect: | |
1bbd0b84 GB |
1312 | SCM_ASRTGO (SCM_INUM (obj) >= 0, badobj); |
1313 | /* fall through */ | |
0f2d19dd | 1314 | case scm_tc7_ivect: |
c209c88e GB |
1315 | SCM_ASRTGO(SCM_INUMP(obj), badobj); SCM_VELTS(v)[pos] = SCM_INUM(obj); |
1316 | break; | |
0f2d19dd | 1317 | # else |
1bbd0b84 | 1318 | case scm_tc7_uvect: |
c209c88e GB |
1319 | SCM_VELTS(v)[pos] = SCM_ASSCM (scm_num2ulong(obj, (char *)SCM_ARG2, FUNC_NAME)); |
1320 | break; | |
1bbd0b84 | 1321 | case scm_tc7_ivect: |
c209c88e GB |
1322 | SCM_VELTS(v)[pos] = SCM_ASSCM (scm_num2long(obj, (char *)SCM_ARG2, FUNC_NAME)); |
1323 | break; | |
0f2d19dd | 1324 | # endif |
0f2d19dd | 1325 | case scm_tc7_svect: |
0aa0871f | 1326 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
0f2d19dd JB |
1327 | ((short *) SCM_CDR (v))[pos] = SCM_INUM (obj); |
1328 | break; | |
5c11cc9d | 1329 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1330 | case scm_tc7_llvect: |
1bbd0b84 | 1331 | ((long_long *) SCM_CDR (v))[pos] = scm_num2long_long (obj, (char *)SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1332 | break; |
1333 | #endif | |
1334 | ||
1335 | ||
1336 | #ifdef SCM_FLOATS | |
1337 | #ifdef SCM_SINGLES | |
1338 | case scm_tc7_fvect: | |
1bbd0b84 | 1339 | ((float *) SCM_CDR (v))[pos] = (float)scm_num2dbl(obj, FUNC_NAME); break; |
0f2d19dd JB |
1340 | break; |
1341 | #endif | |
1342 | case scm_tc7_dvect: | |
1bbd0b84 | 1343 | ((double *) SCM_CDR (v))[pos] = scm_num2dbl(obj, FUNC_NAME); break; |
0f2d19dd JB |
1344 | break; |
1345 | case scm_tc7_cvect: | |
0c95b57d | 1346 | SCM_ASRTGO (SCM_INEXP (obj), badobj); |
0f2d19dd JB |
1347 | ((double *) SCM_CDR (v))[2 * pos] = SCM_REALPART (obj); |
1348 | ((double *) SCM_CDR (v))[2 * pos + 1] = SCM_CPLXP (obj) ? SCM_IMAG (obj) : 0.0; | |
1349 | break; | |
1350 | #endif | |
1351 | case scm_tc7_vector: | |
95f5b0f5 | 1352 | case scm_tc7_wvect: |
0f2d19dd JB |
1353 | SCM_VELTS (v)[pos] = obj; |
1354 | break; | |
1355 | } | |
1356 | return SCM_UNSPECIFIED; | |
1357 | } | |
1bbd0b84 | 1358 | #undef FUNC_NAME |
0f2d19dd | 1359 | |
1d7bdb25 GH |
1360 | /* attempts to unroll an array into a one-dimensional array. |
1361 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1362 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1363 | wouldn't have contiguous elements. */ |
3b3b36dd | 1364 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1365 | (SCM ra, SCM strict), |
b380b885 MD |
1366 | "@deffnx primitive array-contents array strict\n" |
1367 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" | |
1368 | "without changing their order (last subscript changing fastest), then\n" | |
1369 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1370 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1371 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1372 | "@var{make-shared-array} may not be.\n\n" | |
1373 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1374 | "be returned only if its elements are stored internally contiguous in\n" | |
1375 | "memory.") | |
1bbd0b84 | 1376 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1377 | { |
1378 | SCM sra; | |
1379 | if (SCM_IMP (ra)) | |
f3667f52 | 1380 | return SCM_BOOL_F; |
5c11cc9d | 1381 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1382 | { |
1383 | default: | |
1384 | return SCM_BOOL_F; | |
1385 | case scm_tc7_vector: | |
95f5b0f5 | 1386 | case scm_tc7_wvect: |
0f2d19dd JB |
1387 | case scm_tc7_string: |
1388 | case scm_tc7_bvect: | |
1389 | case scm_tc7_byvect: | |
1390 | case scm_tc7_uvect: | |
1391 | case scm_tc7_ivect: | |
1392 | case scm_tc7_fvect: | |
1393 | case scm_tc7_dvect: | |
1394 | case scm_tc7_cvect: | |
1395 | case scm_tc7_svect: | |
5c11cc9d | 1396 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1397 | case scm_tc7_llvect: |
1398 | #endif | |
1399 | return ra; | |
1400 | case scm_tc7_smob: | |
1401 | { | |
1402 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1403 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1404 | return SCM_BOOL_F; | |
1405 | for (k = 0; k < ndim; k++) | |
1406 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1407 | if (!SCM_UNBNDP (strict)) | |
1408 | { | |
0f2d19dd JB |
1409 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1410 | return SCM_BOOL_F; | |
1411 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1412 | { | |
1413 | if (len != SCM_LENGTH (SCM_ARRAY_V (ra)) || | |
1414 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || | |
1415 | len % SCM_LONG_BIT) | |
1416 | return SCM_BOOL_F; | |
1417 | } | |
1418 | } | |
1419 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra))) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1420 | return SCM_ARRAY_V (ra); | |
1421 | sra = scm_make_ra (1); | |
1422 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1423 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1424 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1425 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1426 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1427 | return sra; | |
1428 | } | |
1429 | } | |
1430 | } | |
1bbd0b84 | 1431 | #undef FUNC_NAME |
0f2d19dd | 1432 | |
1cc91f1b | 1433 | |
0f2d19dd | 1434 | SCM |
6e8d25a6 | 1435 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1436 | { |
1437 | SCM ret; | |
1438 | long inc = 1; | |
1439 | scm_sizet k, len = 1; | |
1440 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1441 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1442 | k = SCM_ARRAY_NDIM (ra); | |
1443 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1444 | { | |
1445 | if (scm_tc7_bvect != SCM_TYP7 (ra)) | |
1446 | return ra; | |
1447 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra)) && | |
1448 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && | |
1449 | 0 == len % SCM_LONG_BIT)) | |
1450 | return ra; | |
1451 | } | |
1452 | ret = scm_make_ra (k); | |
1453 | SCM_ARRAY_BASE (ret) = 0; | |
1454 | while (k--) | |
1455 | { | |
1456 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1457 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1458 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1459 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1460 | } | |
1461 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1462 | if (copy) | |
1463 | scm_array_copy_x (ra, ret); | |
1464 | return ret; | |
1465 | } | |
1466 | ||
1467 | ||
1468 | ||
3b3b36dd | 1469 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1470 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1471 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1472 | "Attempts to read all elements of @var{ura}, in lexicographic order, as\n" | |
1473 | "binary objects from @var{port-or-fdes}.\n" | |
1474 | "If an end of file is encountered during\n" | |
1475 | "uniform-array-read! the objects up to that point only are put into @var{ura}\n" | |
1476 | "(starting at the beginning) and the remainder of the array is\n" | |
1477 | "unchanged.\n\n" | |
1478 | "The optional arguments @var{start} and @var{end} allow\n" | |
1479 | "a specified region of a vector (or linearized array) to be read,\n" | |
1480 | "leaving the remainder of the vector unchanged.\n\n" | |
1481 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1482 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1483 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1484 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1485 | { |
35de7ebe | 1486 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1487 | long sz, vlen, ans; |
1146b6cd GH |
1488 | long cstart = 0; |
1489 | long cend; | |
1490 | long offset = 0; | |
35de7ebe | 1491 | |
0f2d19dd | 1492 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1493 | if (SCM_UNBNDP (port_or_fd)) |
1494 | port_or_fd = scm_cur_inp; | |
1495 | else | |
1496 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1497 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1498 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df | 1499 | vlen = SCM_LENGTH (v); |
35de7ebe | 1500 | |
0f2d19dd | 1501 | loop: |
35de7ebe | 1502 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1503 | { |
1504 | default: | |
5d2d2ffc | 1505 | badarg1:SCM_WTA (SCM_ARG1,v); |
0f2d19dd JB |
1506 | case scm_tc7_smob: |
1507 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1508 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1509 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1510 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1511 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1512 | v = SCM_ARRAY_V (cra); | |
1513 | goto loop; | |
1514 | case scm_tc7_string: | |
1515 | case scm_tc7_byvect: | |
1516 | sz = sizeof (char); | |
1517 | break; | |
1518 | case scm_tc7_bvect: | |
3d8d56df | 1519 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1520 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1521 | case scm_tc7_uvect: |
1522 | case scm_tc7_ivect: | |
1523 | sz = sizeof (long); | |
1524 | break; | |
1525 | case scm_tc7_svect: | |
1526 | sz = sizeof (short); | |
1527 | break; | |
5c11cc9d | 1528 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1529 | case scm_tc7_llvect: |
1530 | sz = sizeof (long_long); | |
1531 | break; | |
1532 | #endif | |
1533 | #ifdef SCM_FLOATS | |
1534 | #ifdef SCM_SINGLES | |
1535 | case scm_tc7_fvect: | |
1536 | sz = sizeof (float); | |
1537 | break; | |
1538 | #endif | |
1539 | case scm_tc7_dvect: | |
1540 | sz = sizeof (double); | |
1541 | break; | |
1542 | case scm_tc7_cvect: | |
1543 | sz = 2 * sizeof (double); | |
1544 | break; | |
1545 | #endif | |
1546 | } | |
3d8d56df | 1547 | |
1146b6cd GH |
1548 | cend = vlen; |
1549 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1550 | { |
1146b6cd | 1551 | offset = |
4638e087 | 1552 | SCM_NUM2LONG (3, start); |
35de7ebe | 1553 | |
1146b6cd | 1554 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1555 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1556 | |
1557 | if (!SCM_UNBNDP (end)) | |
1558 | { | |
1559 | long tend = | |
4638e087 | 1560 | SCM_NUM2LONG (4, end); |
3d8d56df | 1561 | |
1146b6cd | 1562 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1563 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1564 | cend = tend; |
1565 | } | |
0f2d19dd | 1566 | } |
35de7ebe | 1567 | |
3d8d56df GH |
1568 | if (SCM_NIMP (port_or_fd)) |
1569 | { | |
6c951427 GH |
1570 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1571 | int remaining = (cend - offset) * sz; | |
1572 | char *dest = SCM_CHARS (v) + (cstart + offset) * sz; | |
1573 | ||
1574 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1575 | scm_flush (port_or_fd); |
6c951427 GH |
1576 | |
1577 | ans = cend - offset; | |
1578 | while (remaining > 0) | |
3d8d56df | 1579 | { |
6c951427 GH |
1580 | if (pt->read_pos < pt->read_end) |
1581 | { | |
1582 | int to_copy = min (pt->read_end - pt->read_pos, | |
1583 | remaining); | |
1584 | ||
1585 | memcpy (dest, pt->read_pos, to_copy); | |
1586 | pt->read_pos += to_copy; | |
1587 | remaining -= to_copy; | |
1588 | dest += to_copy; | |
1589 | } | |
1590 | else | |
1591 | { | |
affc96b5 | 1592 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1593 | { |
1594 | if (remaining % sz != 0) | |
1595 | { | |
5d2d2ffc | 1596 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1597 | } |
1598 | ans -= remaining / sz; | |
1599 | break; | |
1600 | } | |
6c951427 | 1601 | } |
3d8d56df | 1602 | } |
6c951427 GH |
1603 | |
1604 | if (pt->rw_random) | |
1605 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1606 | } |
1607 | else /* file descriptor. */ | |
1608 | { | |
1609 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1610 | SCM_CHARS (v) + (cstart + offset) * sz, |
1611 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1612 | if (ans == -1) |
1bbd0b84 | 1613 | SCM_SYSERROR; |
3d8d56df | 1614 | } |
0f2d19dd JB |
1615 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1616 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1617 | |
0f2d19dd JB |
1618 | if (v != ra && cra != ra) |
1619 | scm_array_copy_x (cra, ra); | |
35de7ebe | 1620 | |
0f2d19dd JB |
1621 | return SCM_MAKINUM (ans); |
1622 | } | |
1bbd0b84 | 1623 | #undef FUNC_NAME |
0f2d19dd | 1624 | |
3b3b36dd | 1625 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1626 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1627 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
1628 | "Writes all elements of @var{ura} as binary objects to\n" | |
1629 | "@var{port-or-fdes}.\n\n" | |
1630 | "The optional arguments @var{start}\n" | |
1631 | "and @var{end} allow\n" | |
1632 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
1633 | "The number of objects actually written is returned. \n" | |
1634 | "@var{port-or-fdes} may be\n" | |
1635 | "omitted, in which case it defaults to the value returned by\n" | |
1636 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1637 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1638 | { |
3d8d56df | 1639 | long sz, vlen, ans; |
1146b6cd GH |
1640 | long offset = 0; |
1641 | long cstart = 0; | |
1642 | long cend; | |
3d8d56df | 1643 | |
78446828 MV |
1644 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1645 | ||
0f2d19dd | 1646 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1647 | if (SCM_UNBNDP (port_or_fd)) |
1648 | port_or_fd = scm_cur_outp; | |
1649 | else | |
1650 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1651 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1652 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df GH |
1653 | vlen = SCM_LENGTH (v); |
1654 | ||
0f2d19dd | 1655 | loop: |
3d8d56df | 1656 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1657 | { |
1658 | default: | |
4638e087 | 1659 | badarg1:SCM_WTA (1, v); |
0f2d19dd JB |
1660 | case scm_tc7_smob: |
1661 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1662 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1663 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1664 | vlen = SCM_ARRAY_DIMS (v)->inc |
1665 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1666 | v = SCM_ARRAY_V (v); |
1667 | goto loop; | |
0f2d19dd | 1668 | case scm_tc7_string: |
3d8d56df | 1669 | case scm_tc7_byvect: |
0f2d19dd JB |
1670 | sz = sizeof (char); |
1671 | break; | |
1672 | case scm_tc7_bvect: | |
3d8d56df | 1673 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1674 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1675 | case scm_tc7_uvect: |
1676 | case scm_tc7_ivect: | |
1677 | sz = sizeof (long); | |
1678 | break; | |
1679 | case scm_tc7_svect: | |
1680 | sz = sizeof (short); | |
1681 | break; | |
5c11cc9d | 1682 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1683 | case scm_tc7_llvect: |
1684 | sz = sizeof (long_long); | |
1685 | break; | |
1686 | #endif | |
1687 | #ifdef SCM_FLOATS | |
1688 | #ifdef SCM_SINGLES | |
1689 | case scm_tc7_fvect: | |
1690 | sz = sizeof (float); | |
1691 | break; | |
1692 | #endif | |
1693 | case scm_tc7_dvect: | |
1694 | sz = sizeof (double); | |
1695 | break; | |
1696 | case scm_tc7_cvect: | |
1697 | sz = 2 * sizeof (double); | |
1698 | break; | |
1699 | #endif | |
1700 | } | |
3d8d56df | 1701 | |
1146b6cd GH |
1702 | cend = vlen; |
1703 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1704 | { |
1146b6cd | 1705 | offset = |
4638e087 | 1706 | SCM_NUM2LONG (3, start); |
3d8d56df | 1707 | |
1146b6cd | 1708 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1709 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1710 | |
1711 | if (!SCM_UNBNDP (end)) | |
1712 | { | |
1713 | long tend = | |
4638e087 | 1714 | SCM_NUM2LONG (4, end); |
3d8d56df | 1715 | |
1146b6cd | 1716 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1717 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1718 | cend = tend; |
1719 | } | |
3d8d56df GH |
1720 | } |
1721 | ||
1722 | if (SCM_NIMP (port_or_fd)) | |
1723 | { | |
6c951427 | 1724 | char *source = SCM_CHARS (v) + (cstart + offset) * sz; |
6c951427 GH |
1725 | |
1726 | ans = cend - offset; | |
265e6a4d | 1727 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1728 | } |
1729 | else /* file descriptor. */ | |
1730 | { | |
1731 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
1146b6cd GH |
1732 | SCM_CHARS (v) + (cstart + offset) * sz, |
1733 | (scm_sizet) (sz * (cend - offset)))); | |
3d8d56df | 1734 | if (ans == -1) |
1bbd0b84 | 1735 | SCM_SYSERROR; |
3d8d56df | 1736 | } |
0f2d19dd JB |
1737 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1738 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1739 | |
0f2d19dd JB |
1740 | return SCM_MAKINUM (ans); |
1741 | } | |
1bbd0b84 | 1742 | #undef FUNC_NAME |
0f2d19dd JB |
1743 | |
1744 | ||
1745 | static char cnt_tab[16] = | |
1746 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1747 | ||
3b3b36dd | 1748 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
1bbd0b84 | 1749 | (SCM item, SCM seq), |
b380b885 | 1750 | "Returns the number occurrences of @var{bool} in @var{bv}.") |
1bbd0b84 | 1751 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd JB |
1752 | { |
1753 | long i; | |
c209c88e GB |
1754 | register unsigned long cnt = 0; |
1755 | register unsigned long w; | |
3b3b36dd | 1756 | SCM_VALIDATE_INUM (2,seq); |
5c11cc9d | 1757 | switch SCM_TYP7 (seq) |
0f2d19dd JB |
1758 | { |
1759 | default: | |
1bbd0b84 | 1760 | SCM_WTA (2,seq); |
0f2d19dd JB |
1761 | case scm_tc7_bvect: |
1762 | if (0 == SCM_LENGTH (seq)) | |
1763 | return SCM_INUM0; | |
1764 | i = (SCM_LENGTH (seq) - 1) / SCM_LONG_BIT; | |
c209c88e | 1765 | w = SCM_ASWORD (SCM_VELTS (seq)[i]); |
0f2d19dd JB |
1766 | if (SCM_FALSEP (item)) |
1767 | w = ~w; | |
1768 | w <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (seq) - 1) % SCM_LONG_BIT); | |
1769 | while (!0) | |
1770 | { | |
1771 | for (; w; w >>= 4) | |
1772 | cnt += cnt_tab[w & 0x0f]; | |
1773 | if (0 == i--) | |
1774 | return SCM_MAKINUM (cnt); | |
c209c88e | 1775 | w = SCM_ASWORD (SCM_VELTS (seq)[i]); |
0f2d19dd JB |
1776 | if (SCM_FALSEP (item)) |
1777 | w = ~w; | |
1778 | } | |
1779 | } | |
1780 | } | |
1bbd0b84 | 1781 | #undef FUNC_NAME |
0f2d19dd JB |
1782 | |
1783 | ||
3b3b36dd | 1784 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1785 | (SCM item, SCM v, SCM k), |
b380b885 MD |
1786 | "Returns the minimum index of an occurrence of @var{bool} in @var{bv}\n" |
1787 | "which is at least @var{k}. If no @var{bool} occurs within the specified\n" | |
1788 | "range @code{#f} is returned.") | |
1bbd0b84 | 1789 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1790 | { |
1bbd0b84 | 1791 | long i, lenw, xbits, pos; |
0f2d19dd | 1792 | register unsigned long w; |
6b5a304f | 1793 | SCM_VALIDATE_NIM (2,v); |
3b3b36dd | 1794 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
0f2d19dd | 1795 | SCM_ASSERT ((pos <= SCM_LENGTH (v)) && (pos >= 0), |
1bbd0b84 | 1796 | k, SCM_OUTOFRANGE, FUNC_NAME); |
0f2d19dd JB |
1797 | if (pos == SCM_LENGTH (v)) |
1798 | return SCM_BOOL_F; | |
5c11cc9d | 1799 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1800 | { |
1801 | default: | |
1bbd0b84 | 1802 | SCM_WTA (2,v); |
0f2d19dd JB |
1803 | case scm_tc7_bvect: |
1804 | if (0 == SCM_LENGTH (v)) | |
1805 | return SCM_MAKINUM (-1L); | |
1806 | lenw = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1807 | i = pos / SCM_LONG_BIT; | |
c209c88e | 1808 | w = SCM_ASWORD (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1809 | if (SCM_FALSEP (item)) |
1810 | w = ~w; | |
1811 | xbits = (pos % SCM_LONG_BIT); | |
1812 | pos -= xbits; | |
1813 | w = ((w >> xbits) << xbits); | |
1814 | xbits = SCM_LONG_BIT - 1 - (SCM_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1815 | while (!0) | |
1816 | { | |
1817 | if (w && (i == lenw)) | |
1818 | w = ((w << xbits) >> xbits); | |
1819 | if (w) | |
1820 | while (w) | |
1821 | switch (w & 0x0f) | |
1822 | { | |
1823 | default: | |
1824 | return SCM_MAKINUM (pos); | |
1825 | case 2: | |
1826 | case 6: | |
1827 | case 10: | |
1828 | case 14: | |
1829 | return SCM_MAKINUM (pos + 1); | |
1830 | case 4: | |
1831 | case 12: | |
1832 | return SCM_MAKINUM (pos + 2); | |
1833 | case 8: | |
1834 | return SCM_MAKINUM (pos + 3); | |
1835 | case 0: | |
1836 | pos += 4; | |
1837 | w >>= 4; | |
1838 | } | |
1839 | if (++i > lenw) | |
1840 | break; | |
1841 | pos += SCM_LONG_BIT; | |
c209c88e | 1842 | w = SCM_ASWORD (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1843 | if (SCM_FALSEP (item)) |
1844 | w = ~w; | |
1845 | } | |
1846 | return SCM_BOOL_F; | |
1847 | } | |
1848 | } | |
1bbd0b84 | 1849 | #undef FUNC_NAME |
0f2d19dd JB |
1850 | |
1851 | ||
3b3b36dd | 1852 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
1bbd0b84 | 1853 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1854 | "If uve is a bit-vector @var{bv} and uve must be of the same length. If\n" |
1855 | "@var{bool} is @code{#t}, uve is OR'ed into @var{bv}; If @var{bool} is @code{#f}, the\n" | |
1856 | "inversion of uve is AND'ed into @var{bv}.\n\n" | |
1857 | "If uve is a unsigned integer vector all the elements of uve must be\n" | |
1858 | "between 0 and the @code{LENGTH} of @var{bv}. The bits of @var{bv}\n" | |
1859 | "corresponding to the indexes in uve are set to @var{bool}.\n\n" | |
1860 | "The return value is unspecified.") | |
1bbd0b84 | 1861 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1862 | { |
1863 | register long i, k, vlen; | |
1864 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1865 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1866 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1867 | { |
1868 | default: | |
1bbd0b84 | 1869 | badarg2:SCM_WTA (2,kv); |
0f2d19dd | 1870 | case scm_tc7_uvect: |
5c11cc9d | 1871 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1872 | { |
1873 | default: | |
c209c88e | 1874 | badarg1: SCM_WTA (1,v); |
0f2d19dd JB |
1875 | case scm_tc7_bvect: |
1876 | vlen = SCM_LENGTH (v); | |
1877 | if (SCM_BOOL_F == obj) | |
1878 | for (i = SCM_LENGTH (kv); i;) | |
1879 | { | |
c209c88e | 1880 | k = SCM_ASWORD (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1881 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1882 | SCM_BITVEC_CLR(v,k); |
0f2d19dd JB |
1883 | } |
1884 | else if (SCM_BOOL_T == obj) | |
1885 | for (i = SCM_LENGTH (kv); i;) | |
1886 | { | |
c209c88e | 1887 | k = SCM_ASWORD (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1888 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1889 | SCM_BITVEC_SET(v,k); |
0f2d19dd JB |
1890 | } |
1891 | else | |
1bbd0b84 | 1892 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1893 | } |
1894 | break; | |
1895 | case scm_tc7_bvect: | |
1896 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1897 | if (SCM_BOOL_F == obj) | |
1898 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
c209c88e | 1899 | SCM_ASWORD (SCM_VELTS (v)[k]) &= ~ SCM_ASWORD(SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1900 | else if (SCM_BOOL_T == obj) |
1901 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
c209c88e | 1902 | SCM_ASWORD (SCM_VELTS (v)[k]) |= SCM_ASWORD (SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1903 | else |
1904 | goto badarg3; | |
1905 | break; | |
1906 | } | |
1907 | return SCM_UNSPECIFIED; | |
1908 | } | |
1bbd0b84 | 1909 | #undef FUNC_NAME |
0f2d19dd JB |
1910 | |
1911 | ||
3b3b36dd | 1912 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1913 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1914 | "Returns\n" |
1915 | "@example\n" | |
1916 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" | |
1917 | "@end example\n" | |
1918 | "@var{bv} is not modified.") | |
1bbd0b84 | 1919 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1920 | { |
1921 | register long i, vlen, count = 0; | |
1922 | register unsigned long k; | |
c209c88e | 1923 | |
0f2d19dd JB |
1924 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1925 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1926 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1927 | { |
1928 | default: | |
c209c88e GB |
1929 | badarg2: |
1930 | SCM_WTA (2,kv); | |
0f2d19dd JB |
1931 | case scm_tc7_uvect: |
1932 | switch SCM_TYP7 | |
1933 | (v) | |
1934 | { | |
1935 | default: | |
c209c88e GB |
1936 | badarg1: |
1937 | SCM_WTA (1,v); | |
0f2d19dd JB |
1938 | case scm_tc7_bvect: |
1939 | vlen = SCM_LENGTH (v); | |
1940 | if (SCM_BOOL_F == obj) | |
1941 | for (i = SCM_LENGTH (kv); i;) | |
1942 | { | |
c209c88e | 1943 | k = SCM_ASWORD (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1944 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1945 | if (!SCM_BITVEC_REF(v,k)) |
0f2d19dd JB |
1946 | count++; |
1947 | } | |
1948 | else if (SCM_BOOL_T == obj) | |
1949 | for (i = SCM_LENGTH (kv); i;) | |
1950 | { | |
c209c88e | 1951 | k = SCM_ASWORD (SCM_VELTS (kv)[--i]); |
1bbd0b84 | 1952 | SCM_ASSERT ((k < vlen), SCM_MAKINUM (k), SCM_OUTOFRANGE, FUNC_NAME); |
c209c88e | 1953 | if (SCM_BITVEC_REF (v,k)) |
0f2d19dd JB |
1954 | count++; |
1955 | } | |
1956 | else | |
1bbd0b84 | 1957 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1958 | } |
1959 | break; | |
1960 | case scm_tc7_bvect: | |
1961 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1962 | if (0 == SCM_LENGTH (v)) | |
1963 | return SCM_INUM0; | |
1964 | SCM_ASRTGO (SCM_BOOL_T == obj || SCM_BOOL_F == obj, badarg3); | |
c209c88e | 1965 | obj = (SCM_BOOL_T == obj); /* ugh. */ |
0f2d19dd | 1966 | i = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; |
c209c88e | 1967 | k = SCM_ASWORD (SCM_VELTS (kv)[i]) & (obj ? SCM_ASWORD (SCM_VELTS (v)[i]) : ~ SCM_ASWORD (SCM_VELTS (v)[i])); |
0f2d19dd | 1968 | k <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (v) - 1) % SCM_LONG_BIT); |
c209c88e | 1969 | while (1) |
0f2d19dd JB |
1970 | { |
1971 | for (; k; k >>= 4) | |
1972 | count += cnt_tab[k & 0x0f]; | |
1973 | if (0 == i--) | |
1974 | return SCM_MAKINUM (count); | |
c209c88e GB |
1975 | |
1976 | /* urg. repetitive (see above.) */ | |
1977 | k = SCM_ASWORD (SCM_VELTS (kv)[i]) & (obj ? SCM_ASWORD(SCM_VELTS (v)[i]) : ~SCM_ASWORD (SCM_VELTS (v)[i])); | |
0f2d19dd JB |
1978 | } |
1979 | } | |
1980 | return SCM_MAKINUM (count); | |
1981 | } | |
1bbd0b84 | 1982 | #undef FUNC_NAME |
0f2d19dd JB |
1983 | |
1984 | ||
3b3b36dd | 1985 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1986 | (SCM v), |
b380b885 | 1987 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 1988 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd JB |
1989 | { |
1990 | register long k; | |
1991 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1992 | k = SCM_LENGTH (v); | |
1993 | switch SCM_TYP7 | |
1994 | (v) | |
1995 | { | |
1996 | case scm_tc7_bvect: | |
1997 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
c209c88e | 1998 | SCM_ASWORD (SCM_VELTS (v)[k]) = ~SCM_ASWORD(SCM_VELTS (v)[k]); |
0f2d19dd JB |
1999 | break; |
2000 | default: | |
1bbd0b84 | 2001 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2002 | } |
2003 | return SCM_UNSPECIFIED; | |
2004 | } | |
1bbd0b84 | 2005 | #undef FUNC_NAME |
0f2d19dd JB |
2006 | |
2007 | ||
0f2d19dd | 2008 | SCM |
1bbd0b84 | 2009 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2010 | { |
2011 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
2012 | long *data = (long *) SCM_VELTS (v); | |
2013 | register unsigned long mask; | |
2014 | register long k; | |
2015 | register long j; | |
2016 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
2017 | { | |
2018 | data[k] = 0L; | |
2019 | j = len - k * SCM_LONG_BIT; | |
2020 | if (j > SCM_LONG_BIT) | |
2021 | j = SCM_LONG_BIT; | |
2022 | for (mask = 1L; j--; mask <<= 1) | |
2023 | switch (*str++) | |
2024 | { | |
2025 | case '0': | |
2026 | break; | |
2027 | case '1': | |
2028 | data[k] |= mask; | |
2029 | break; | |
2030 | default: | |
2031 | return SCM_BOOL_F; | |
2032 | } | |
2033 | } | |
2034 | return v; | |
2035 | } | |
2036 | ||
2037 | ||
1cc91f1b | 2038 | |
0f2d19dd | 2039 | static SCM |
1bbd0b84 | 2040 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
2041 | { |
2042 | register SCM res = SCM_EOL; | |
2043 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2044 | register scm_sizet i; | |
2045 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
2046 | return SCM_EOL; | |
2047 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2048 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2049 | { | |
2050 | do | |
2051 | { | |
2052 | i -= inc; | |
2053 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2054 | } | |
2055 | while (i != base); | |
2056 | } | |
2057 | else | |
2058 | do | |
2059 | { | |
2060 | i -= inc; | |
2061 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2062 | } | |
2063 | while (i != base); | |
2064 | return res; | |
2065 | } | |
2066 | ||
2067 | ||
3b3b36dd | 2068 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2069 | (SCM v), |
b380b885 | 2070 | "Returns a list consisting of all the elements, in order, of @var{array}.") |
1bbd0b84 | 2071 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2072 | { |
2073 | SCM res = SCM_EOL; | |
2074 | register long k; | |
2075 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
2076 | switch SCM_TYP7 | |
2077 | (v) | |
2078 | { | |
2079 | default: | |
1bbd0b84 | 2080 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2081 | case scm_tc7_smob: |
2082 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2083 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2084 | case scm_tc7_vector: | |
95f5b0f5 | 2085 | case scm_tc7_wvect: |
0f2d19dd JB |
2086 | return scm_vector_to_list (v); |
2087 | case scm_tc7_string: | |
2088 | return scm_string_to_list (v); | |
2089 | case scm_tc7_bvect: | |
2090 | { | |
2091 | long *data = (long *) SCM_VELTS (v); | |
2092 | register unsigned long mask; | |
2093 | for (k = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
cdbadcac | 2094 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2095 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd | 2096 | for (mask = 1L << ((SCM_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2097 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2098 | return res; |
2099 | } | |
2100 | # ifdef SCM_INUMS_ONLY | |
2101 | case scm_tc7_uvect: | |
2102 | case scm_tc7_ivect: | |
2103 | { | |
2104 | long *data = (long *) SCM_VELTS (v); | |
2105 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2106 | res = scm_cons (SCM_MAKINUM (data[k]), res); | |
2107 | return res; | |
2108 | } | |
2109 | # else | |
2110 | case scm_tc7_uvect: { | |
2111 | long *data = (long *)SCM_VELTS(v); | |
2112 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2113 | res = scm_cons(scm_ulong2num(data[k]), res); | |
2114 | return res; | |
2115 | } | |
2116 | case scm_tc7_ivect: { | |
2117 | long *data = (long *)SCM_VELTS(v); | |
2118 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2119 | res = scm_cons(scm_long2num(data[k]), res); | |
2120 | return res; | |
2121 | } | |
2122 | # endif | |
2123 | case scm_tc7_svect: { | |
2124 | short *data; | |
2125 | data = (short *)SCM_VELTS(v); | |
2126 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2127 | res = scm_cons(SCM_MAKINUM (data[k]), res); | |
2128 | return res; | |
2129 | } | |
5c11cc9d | 2130 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2131 | case scm_tc7_llvect: { |
2132 | long_long *data; | |
2133 | data = (long_long *)SCM_VELTS(v); | |
2134 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2135 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2136 | return res; | |
2137 | } | |
2138 | #endif | |
2139 | ||
2140 | ||
2141 | #ifdef SCM_FLOATS | |
2142 | #ifdef SCM_SINGLES | |
2143 | case scm_tc7_fvect: | |
2144 | { | |
2145 | float *data = (float *) SCM_VELTS (v); | |
2146 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2147 | res = scm_cons (scm_makflo (data[k]), res); | |
2148 | return res; | |
2149 | } | |
2150 | #endif /*SCM_SINGLES*/ | |
2151 | case scm_tc7_dvect: | |
2152 | { | |
2153 | double *data = (double *) SCM_VELTS (v); | |
2154 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2155 | res = scm_cons (scm_makdbl (data[k], 0.0), res); | |
2156 | return res; | |
2157 | } | |
2158 | case scm_tc7_cvect: | |
2159 | { | |
2160 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
2161 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
2162 | res = scm_cons (scm_makdbl (data[k][0], data[k][1]), res); | |
2163 | return res; | |
2164 | } | |
2165 | #endif /*SCM_FLOATS*/ | |
2166 | } | |
2167 | } | |
1bbd0b84 | 2168 | #undef FUNC_NAME |
0f2d19dd JB |
2169 | |
2170 | ||
20a54673 | 2171 | static char s_bad_ralst[] = "Bad scm_array contents list"; |
1cc91f1b | 2172 | |
1bbd0b84 | 2173 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2174 | |
3b3b36dd | 2175 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2176 | (SCM ndim, SCM prot, SCM lst), |
b380b885 MD |
2177 | "@deffnx procedure list->uniform-vector prot lst\n" |
2178 | "Returns a uniform array of the type indicated by prototype @var{prot}\n" | |
2179 | "with elements the same as those of @var{lst}. Elements must be of the\n" | |
2180 | "appropriate type, no coercions are done.") | |
1bbd0b84 | 2181 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2182 | { |
2183 | SCM shp = SCM_EOL; | |
2184 | SCM row = lst; | |
2185 | SCM ra; | |
2186 | scm_sizet k; | |
2187 | long n; | |
3b3b36dd | 2188 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2189 | while (k--) |
2190 | { | |
2191 | n = scm_ilength (row); | |
1bbd0b84 | 2192 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2193 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2194 | if (SCM_NIMP (row)) | |
2195 | row = SCM_CAR (row); | |
2196 | } | |
d12feca3 GH |
2197 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2198 | SCM_UNDEFINED); | |
0f2d19dd JB |
2199 | if (SCM_NULLP (shp)) |
2200 | ||
2201 | { | |
2202 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2203 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2204 | return ra; | |
2205 | } | |
2206 | if (!SCM_ARRAYP (ra)) | |
2207 | { | |
2208 | for (k = 0; k < SCM_LENGTH (ra); k++, lst = SCM_CDR (lst)) | |
2209 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); | |
2210 | return ra; | |
2211 | } | |
2212 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2213 | return ra; | |
2214 | else | |
1bbd0b84 | 2215 | badlst:scm_wta (lst, s_bad_ralst, FUNC_NAME); |
0f2d19dd JB |
2216 | return SCM_BOOL_F; |
2217 | } | |
1bbd0b84 | 2218 | #undef FUNC_NAME |
0f2d19dd | 2219 | |
0f2d19dd | 2220 | static int |
1bbd0b84 | 2221 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2222 | { |
2223 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2224 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2225 | int ok = 1; | |
2226 | if (n <= 0) | |
2227 | return (SCM_EOL == lst); | |
2228 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2229 | { | |
2230 | while (n--) | |
2231 | { | |
2232 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2233 | return 0; | |
2234 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2235 | base += inc; | |
2236 | lst = SCM_CDR (lst); | |
2237 | } | |
2238 | if (SCM_NNULLP (lst)) | |
2239 | return 0; | |
2240 | } | |
2241 | else | |
2242 | { | |
2243 | while (n--) | |
2244 | { | |
2245 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2246 | return 0; | |
2247 | ok = ok && scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); | |
2248 | base += inc; | |
2249 | lst = SCM_CDR (lst); | |
2250 | } | |
2251 | if (SCM_NNULLP (lst)) | |
2252 | return 0; | |
2253 | } | |
2254 | return ok; | |
2255 | } | |
2256 | ||
1cc91f1b | 2257 | |
0f2d19dd | 2258 | static void |
1bbd0b84 | 2259 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2260 | { |
2261 | long inc = 1; | |
2262 | long n = SCM_LENGTH (ra); | |
2263 | int enclosed = 0; | |
2264 | tail: | |
5c11cc9d | 2265 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2266 | { |
2267 | case scm_tc7_smob: | |
2268 | if (enclosed++) | |
2269 | { | |
2270 | SCM_ARRAY_BASE (ra) = j; | |
2271 | if (n-- > 0) | |
9882ea19 | 2272 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2273 | for (j += inc; n-- > 0; j += inc) |
2274 | { | |
b7f3516f | 2275 | scm_putc (' ', port); |
0f2d19dd | 2276 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2277 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2278 | } |
2279 | break; | |
2280 | } | |
2281 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2282 | { | |
2283 | long i; | |
2284 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2285 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2286 | { | |
b7f3516f | 2287 | scm_putc ('(', port); |
9882ea19 | 2288 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2289 | scm_puts (") ", port); |
0f2d19dd JB |
2290 | j += inc; |
2291 | } | |
2292 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2293 | { /* could be zero size. */ | |
b7f3516f | 2294 | scm_putc ('(', port); |
9882ea19 | 2295 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2296 | scm_putc (')', port); |
0f2d19dd JB |
2297 | } |
2298 | break; | |
2299 | } | |
2300 | if SCM_ARRAY_NDIM | |
2301 | (ra) | |
2302 | { /* Could be zero-dimensional */ | |
2303 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2304 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2305 | } | |
2306 | else | |
2307 | n = 1; | |
2308 | ra = SCM_ARRAY_V (ra); | |
2309 | goto tail; | |
2310 | default: | |
5c11cc9d | 2311 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2312 | if (n-- > 0) |
9882ea19 | 2313 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2314 | for (j += inc; n-- > 0; j += inc) |
2315 | { | |
b7f3516f | 2316 | scm_putc (' ', port); |
9882ea19 | 2317 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2318 | } |
2319 | break; | |
2320 | case scm_tc7_string: | |
2321 | if (n-- > 0) | |
7866a09b | 2322 | scm_iprin1 (SCM_MAKE_CHAR (SCM_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2323 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2324 | for (j += inc; n-- > 0; j += inc) |
2325 | { | |
b7f3516f | 2326 | scm_putc (' ', port); |
7866a09b | 2327 | scm_iprin1 (SCM_MAKE_CHAR (SCM_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2328 | } |
2329 | else | |
2330 | for (j += inc; n-- > 0; j += inc) | |
b7f3516f | 2331 | scm_putc (SCM_CHARS (ra)[j], port); |
0f2d19dd JB |
2332 | break; |
2333 | case scm_tc7_byvect: | |
2334 | if (n-- > 0) | |
2335 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); | |
2336 | for (j += inc; n-- > 0; j += inc) | |
2337 | { | |
b7f3516f | 2338 | scm_putc (' ', port); |
0f2d19dd JB |
2339 | scm_intprint (((char *)SCM_CDR (ra))[j], 10, port); |
2340 | } | |
2341 | break; | |
2342 | ||
2343 | case scm_tc7_uvect: | |
5c11cc9d GH |
2344 | { |
2345 | char str[11]; | |
2346 | ||
2347 | if (n-- > 0) | |
2348 | { | |
2349 | /* intprint can't handle >= 2^31. */ | |
2350 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2351 | scm_puts (str, port); | |
2352 | } | |
2353 | for (j += inc; n-- > 0; j += inc) | |
2354 | { | |
2355 | scm_putc (' ', port); | |
2356 | sprintf (str, "%lu", (unsigned long) SCM_VELTS (ra)[j]); | |
2357 | scm_puts (str, port); | |
2358 | } | |
2359 | } | |
0f2d19dd JB |
2360 | case scm_tc7_ivect: |
2361 | if (n-- > 0) | |
c209c88e | 2362 | scm_intprint ((int)SCM_VELTS (ra)[j], 10, port); |
0f2d19dd JB |
2363 | for (j += inc; n-- > 0; j += inc) |
2364 | { | |
b7f3516f | 2365 | scm_putc (' ', port); |
c209c88e | 2366 | scm_intprint ((int)SCM_VELTS (ra)[j], 10, port); |
0f2d19dd JB |
2367 | } |
2368 | break; | |
2369 | ||
2370 | case scm_tc7_svect: | |
2371 | if (n-- > 0) | |
2372 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); | |
2373 | for (j += inc; n-- > 0; j += inc) | |
2374 | { | |
b7f3516f | 2375 | scm_putc (' ', port); |
0f2d19dd JB |
2376 | scm_intprint (((short *)SCM_CDR (ra))[j], 10, port); |
2377 | } | |
2378 | break; | |
2379 | ||
2380 | #ifdef SCM_FLOATS | |
2381 | #ifdef SCM_SINGLES | |
2382 | case scm_tc7_fvect: | |
2383 | if (n-- > 0) | |
2384 | { | |
2385 | SCM z = scm_makflo (1.0); | |
2386 | SCM_FLO (z) = ((float *) SCM_VELTS (ra))[j]; | |
9882ea19 | 2387 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2388 | for (j += inc; n-- > 0; j += inc) |
2389 | { | |
b7f3516f | 2390 | scm_putc (' ', port); |
0f2d19dd | 2391 | SCM_FLO (z) = ((float *) SCM_VELTS (ra))[j]; |
9882ea19 | 2392 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2393 | } |
2394 | } | |
2395 | break; | |
2396 | #endif /*SCM_SINGLES*/ | |
2397 | case scm_tc7_dvect: | |
2398 | if (n-- > 0) | |
2399 | { | |
2400 | SCM z = scm_makdbl (1.0 / 3.0, 0.0); | |
2401 | SCM_REAL (z) = ((double *) SCM_VELTS (ra))[j]; | |
9882ea19 | 2402 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2403 | for (j += inc; n-- > 0; j += inc) |
2404 | { | |
b7f3516f | 2405 | scm_putc (' ', port); |
0f2d19dd | 2406 | SCM_REAL (z) = ((double *) SCM_VELTS (ra))[j]; |
9882ea19 | 2407 | scm_floprint (z, port, pstate); |
0f2d19dd JB |
2408 | } |
2409 | } | |
2410 | break; | |
2411 | case scm_tc7_cvect: | |
2412 | if (n-- > 0) | |
2413 | { | |
2414 | SCM cz = scm_makdbl (0.0, 1.0), z = scm_makdbl (1.0 / 3.0, 0.0); | |
2415 | SCM_REAL (z) = SCM_REAL (cz) = (((double *) SCM_VELTS (ra))[2 * j]); | |
2416 | SCM_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
9882ea19 | 2417 | scm_floprint ((0.0 == SCM_IMAG (cz) ? z : cz), port, pstate); |
0f2d19dd JB |
2418 | for (j += inc; n-- > 0; j += inc) |
2419 | { | |
b7f3516f | 2420 | scm_putc (' ', port); |
0f2d19dd JB |
2421 | SCM_REAL (z) = SCM_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; |
2422 | SCM_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
9882ea19 | 2423 | scm_floprint ((0.0 == SCM_IMAG (cz) ? z : cz), port, pstate); |
0f2d19dd JB |
2424 | } |
2425 | } | |
2426 | break; | |
2427 | #endif /*SCM_FLOATS*/ | |
2428 | } | |
2429 | } | |
2430 | ||
2431 | ||
1cc91f1b | 2432 | |
0f2d19dd | 2433 | int |
1bbd0b84 | 2434 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2435 | { |
2436 | SCM v = exp; | |
2437 | scm_sizet base = 0; | |
b7f3516f | 2438 | scm_putc ('#', port); |
0f2d19dd | 2439 | tail: |
5c11cc9d | 2440 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2441 | { |
2442 | case scm_tc7_smob: | |
2443 | { | |
2444 | long ndim = SCM_ARRAY_NDIM (v); | |
2445 | base = SCM_ARRAY_BASE (v); | |
2446 | v = SCM_ARRAY_V (v); | |
2447 | if (SCM_ARRAYP (v)) | |
2448 | ||
2449 | { | |
b7f3516f | 2450 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2451 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2452 | scm_putc ('>', port); |
0f2d19dd JB |
2453 | return 1; |
2454 | } | |
2455 | else | |
2456 | { | |
2457 | scm_intprint (ndim, 10, port); | |
2458 | goto tail; | |
2459 | } | |
2460 | } | |
2461 | case scm_tc7_bvect: | |
2462 | if (exp == v) | |
2463 | { /* a uve, not an scm_array */ | |
2464 | register long i, j, w; | |
b7f3516f | 2465 | scm_putc ('*', port); |
0f2d19dd JB |
2466 | for (i = 0; i < (SCM_LENGTH (exp)) / SCM_LONG_BIT; i++) |
2467 | { | |
c209c88e | 2468 | SCMWORD w = SCM_ASWORD (SCM_VELTS (exp)[i]); |
0f2d19dd JB |
2469 | for (j = SCM_LONG_BIT; j; j--) |
2470 | { | |
b7f3516f | 2471 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2472 | w >>= 1; |
2473 | } | |
2474 | } | |
2475 | j = SCM_LENGTH (exp) % SCM_LONG_BIT; | |
2476 | if (j) | |
2477 | { | |
c209c88e | 2478 | w = SCM_ASWORD (SCM_VELTS (exp)[SCM_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2479 | for (; j; j--) |
2480 | { | |
b7f3516f | 2481 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2482 | w >>= 1; |
2483 | } | |
2484 | } | |
2485 | return 1; | |
2486 | } | |
2487 | else | |
b7f3516f | 2488 | scm_putc ('b', port); |
0f2d19dd JB |
2489 | break; |
2490 | case scm_tc7_string: | |
b7f3516f | 2491 | scm_putc ('a', port); |
0f2d19dd JB |
2492 | break; |
2493 | case scm_tc7_byvect: | |
05c33d09 | 2494 | scm_putc ('y', port); |
0f2d19dd JB |
2495 | break; |
2496 | case scm_tc7_uvect: | |
b7f3516f | 2497 | scm_putc ('u', port); |
0f2d19dd JB |
2498 | break; |
2499 | case scm_tc7_ivect: | |
b7f3516f | 2500 | scm_putc ('e', port); |
0f2d19dd JB |
2501 | break; |
2502 | case scm_tc7_svect: | |
05c33d09 | 2503 | scm_putc ('h', port); |
0f2d19dd | 2504 | break; |
5c11cc9d | 2505 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2506 | case scm_tc7_llvect: |
5c11cc9d | 2507 | scm_putc ('l', port); |
0f2d19dd JB |
2508 | break; |
2509 | #endif | |
2510 | #ifdef SCM_FLOATS | |
2511 | #ifdef SCM_SINGLES | |
2512 | case scm_tc7_fvect: | |
b7f3516f | 2513 | scm_putc ('s', port); |
0f2d19dd JB |
2514 | break; |
2515 | #endif /*SCM_SINGLES*/ | |
2516 | case scm_tc7_dvect: | |
b7f3516f | 2517 | scm_putc ('i', port); |
0f2d19dd JB |
2518 | break; |
2519 | case scm_tc7_cvect: | |
b7f3516f | 2520 | scm_putc ('c', port); |
0f2d19dd JB |
2521 | break; |
2522 | #endif /*SCM_FLOATS*/ | |
2523 | } | |
b7f3516f | 2524 | scm_putc ('(', port); |
9882ea19 | 2525 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2526 | scm_putc (')', port); |
0f2d19dd JB |
2527 | return 1; |
2528 | } | |
2529 | ||
3b3b36dd | 2530 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2531 | (SCM ra), |
b380b885 MD |
2532 | "Returns an object that would produce an array of the same type as\n" |
2533 | "@var{array}, if used as the @var{prototype} for\n" | |
2534 | "@code{make-uniform-array}.") | |
1bbd0b84 | 2535 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2536 | { |
2537 | int enclosed = 0; | |
2538 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2539 | loop: | |
2540 | switch SCM_TYP7 | |
2541 | (ra) | |
2542 | { | |
2543 | default: | |
1bbd0b84 | 2544 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
2545 | case scm_tc7_smob: |
2546 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2547 | if (enclosed++) | |
2548 | return SCM_UNSPECIFIED; | |
2549 | ra = SCM_ARRAY_V (ra); | |
2550 | goto loop; | |
2551 | case scm_tc7_vector: | |
95f5b0f5 | 2552 | case scm_tc7_wvect: |
0f2d19dd JB |
2553 | return SCM_EOL; |
2554 | case scm_tc7_bvect: | |
2555 | return SCM_BOOL_T; | |
2556 | case scm_tc7_string: | |
7866a09b | 2557 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2558 | case scm_tc7_byvect: |
7866a09b | 2559 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2560 | case scm_tc7_uvect: |
2561 | return SCM_MAKINUM (1L); | |
2562 | case scm_tc7_ivect: | |
2563 | return SCM_MAKINUM (-1L); | |
2564 | case scm_tc7_svect: | |
2565 | return SCM_CDR (scm_intern ("s", 1)); | |
5c11cc9d | 2566 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2567 | case scm_tc7_llvect: |
2568 | return SCM_CDR (scm_intern ("l", 1)); | |
2569 | #endif | |
2570 | #ifdef SCM_FLOATS | |
2571 | #ifdef SCM_SINGLES | |
2572 | case scm_tc7_fvect: | |
2573 | return scm_makflo (1.0); | |
2574 | #endif | |
2575 | case scm_tc7_dvect: | |
2576 | return scm_makdbl (1.0 / 3.0, 0.0); | |
2577 | case scm_tc7_cvect: | |
2578 | return scm_makdbl (0.0, 1.0); | |
2579 | #endif | |
2580 | } | |
2581 | } | |
1bbd0b84 | 2582 | #undef FUNC_NAME |
0f2d19dd | 2583 | |
1cc91f1b | 2584 | |
0f2d19dd | 2585 | static SCM |
1bbd0b84 | 2586 | markra (SCM ptr) |
0f2d19dd | 2587 | { |
0f2d19dd JB |
2588 | return SCM_ARRAY_V (ptr); |
2589 | } | |
2590 | ||
1cc91f1b | 2591 | |
0f2d19dd | 2592 | static scm_sizet |
1bbd0b84 | 2593 | freera (SCM ptr) |
0f2d19dd JB |
2594 | { |
2595 | scm_must_free (SCM_CHARS (ptr)); | |
2596 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); | |
2597 | } | |
2598 | ||
0f2d19dd JB |
2599 | void |
2600 | scm_init_unif () | |
0f2d19dd | 2601 | { |
23a62151 MD |
2602 | scm_tc16_array = scm_make_smob_type_mfpe ("array", 0, |
2603 | markra, | |
2604 | freera, | |
2605 | scm_raprin1, | |
2606 | scm_array_equal_p); | |
0f2d19dd | 2607 | scm_add_feature ("array"); |
23a62151 | 2608 | #include "unif.x" |
0f2d19dd | 2609 | } |