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bc86da5d | 1 | /* Copyright (C) 1995,1996,1997,1998, 2000 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
c209c88e GB |
45 | /* |
46 | This file has code for arrays in lots of variants (double, integer, | |
47 | unsigned etc. ). It suffers from hugely repetitive code because | |
48 | there is similar (but different) code for every variant included. (urg.) | |
49 | ||
50 | --hwn | |
51 | */ | |
0f2d19dd JB |
52 | \f |
53 | ||
54 | #include <stdio.h> | |
a0599745 MD |
55 | #include "libguile/_scm.h" |
56 | #include "libguile/chars.h" | |
57 | #include "libguile/eval.h" | |
58 | #include "libguile/fports.h" | |
59 | #include "libguile/smob.h" | |
60 | #include "libguile/strop.h" | |
61 | #include "libguile/feature.h" | |
62 | #include "libguile/root.h" | |
63 | #include "libguile/strings.h" | |
64 | #include "libguile/vectors.h" | |
65 | ||
66 | #include "libguile/validate.h" | |
67 | #include "libguile/unif.h" | |
68 | #include "libguile/ramap.h" | |
0f2d19dd | 69 | |
3d8d56df GH |
70 | #ifdef HAVE_UNISTD_H |
71 | #include <unistd.h> | |
72 | #endif | |
73 | ||
0f2d19dd JB |
74 | \f |
75 | /* The set of uniform scm_vector types is: | |
76 | * Vector of: Called: | |
77 | * unsigned char string | |
78 | * char byvect | |
79 | * boolean bvect | |
a515d287 MD |
80 | * signed long ivect |
81 | * unsigned long uvect | |
0f2d19dd JB |
82 | * float fvect |
83 | * double dvect | |
84 | * complex double cvect | |
85 | * short svect | |
5c11cc9d | 86 | * long long llvect |
0f2d19dd JB |
87 | */ |
88 | ||
89 | long scm_tc16_array; | |
90 | ||
afe5177e GH |
91 | /* return the size of an element in a uniform array or 0 if type not |
92 | found. */ | |
93 | scm_sizet | |
94 | scm_uniform_element_size (SCM obj) | |
0f2d19dd | 95 | { |
afe5177e | 96 | scm_sizet result; |
0f2d19dd | 97 | |
afe5177e | 98 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 99 | { |
0f2d19dd | 100 | case scm_tc7_bvect: |
0f2d19dd JB |
101 | case scm_tc7_uvect: |
102 | case scm_tc7_ivect: | |
afe5177e | 103 | result = sizeof (long); |
0f2d19dd | 104 | break; |
afe5177e | 105 | |
0f2d19dd | 106 | case scm_tc7_byvect: |
afe5177e | 107 | result = sizeof (char); |
0f2d19dd JB |
108 | break; |
109 | ||
110 | case scm_tc7_svect: | |
afe5177e | 111 | result = sizeof (short); |
0f2d19dd | 112 | break; |
afe5177e | 113 | |
5c11cc9d | 114 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 115 | case scm_tc7_llvect: |
afe5177e | 116 | result = sizeof (long_long); |
0f2d19dd JB |
117 | break; |
118 | #endif | |
119 | ||
0f2d19dd | 120 | case scm_tc7_fvect: |
afe5177e | 121 | result = sizeof (float); |
0f2d19dd | 122 | break; |
afe5177e | 123 | |
0f2d19dd | 124 | case scm_tc7_dvect: |
afe5177e | 125 | result = sizeof (double); |
0f2d19dd | 126 | break; |
afe5177e | 127 | |
0f2d19dd | 128 | case scm_tc7_cvect: |
afe5177e | 129 | result = 2 * sizeof (double); |
0f2d19dd | 130 | break; |
afe5177e GH |
131 | |
132 | default: | |
133 | result = 0; | |
0f2d19dd | 134 | } |
afe5177e | 135 | return result; |
0f2d19dd JB |
136 | } |
137 | ||
bc86da5d MD |
138 | /* Silly function used not to modify the semantics of the silly |
139 | * prototype system in order to be backward compatible. | |
140 | */ | |
141 | static int | |
142 | singp (SCM obj) | |
0f2d19dd | 143 | { |
bc86da5d MD |
144 | if (!SCM_SLOPPY_REALP (obj)) |
145 | return 0; | |
146 | else | |
147 | { | |
148 | double x = SCM_REAL_VALUE (obj); | |
149 | float fx = x; | |
150 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
151 | } | |
0f2d19dd | 152 | } |
1cc91f1b | 153 | |
0f2d19dd | 154 | SCM |
1bbd0b84 | 155 | scm_make_uve (long k, SCM prot) |
0f2d19dd JB |
156 | { |
157 | SCM v; | |
158 | long i, type; | |
9a09deb1 | 159 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd JB |
160 | { |
161 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); | |
162 | type = scm_tc7_bvect; | |
163 | } | |
4260a7fc | 164 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
0f2d19dd JB |
165 | { |
166 | i = sizeof (char) * k; | |
167 | type = scm_tc7_byvect; | |
168 | } | |
7866a09b | 169 | else if (SCM_CHARP (prot)) |
0f2d19dd JB |
170 | { |
171 | i = sizeof (char) * k; | |
172 | type = scm_tc7_string; | |
173 | } | |
174 | else if (SCM_INUMP (prot)) | |
175 | { | |
176 | i = sizeof (long) * k; | |
177 | if (SCM_INUM (prot) > 0) | |
178 | type = scm_tc7_uvect; | |
179 | else | |
180 | type = scm_tc7_ivect; | |
181 | } | |
0c95b57d | 182 | else if (SCM_SYMBOLP (prot) && (1 == SCM_LENGTH (prot))) |
0f2d19dd JB |
183 | { |
184 | char s; | |
185 | ||
86c991c2 | 186 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd JB |
187 | if (s == 's') |
188 | { | |
189 | i = sizeof (short) * k; | |
190 | type = scm_tc7_svect; | |
191 | } | |
5c11cc9d | 192 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
193 | else if (s == 'l') |
194 | { | |
195 | i = sizeof (long_long) * k; | |
196 | type = scm_tc7_llvect; | |
197 | } | |
198 | #endif | |
199 | else | |
200 | { | |
a8741caa | 201 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); |
0f2d19dd JB |
202 | } |
203 | } | |
204 | else | |
eb42e2f0 | 205 | if (SCM_IMP (prot) || !SCM_INEXACTP (prot)) |
0f2d19dd | 206 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d GH |
207 | /* no special scm_vector */ |
208 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); | |
bc86da5d | 209 | else if (singp (prot)) |
0f2d19dd JB |
210 | { |
211 | i = sizeof (float) * k; | |
212 | type = scm_tc7_fvect; | |
213 | } | |
eb42e2f0 | 214 | else if (SCM_COMPLEXP (prot)) |
0f2d19dd JB |
215 | { |
216 | i = 2 * sizeof (double) * k; | |
217 | type = scm_tc7_cvect; | |
218 | } | |
219 | else | |
220 | { | |
221 | i = sizeof (double) * k; | |
222 | type = scm_tc7_dvect; | |
223 | } | |
0f2d19dd JB |
224 | |
225 | SCM_NEWCELL (v); | |
226 | SCM_DEFER_INTS; | |
5c11cc9d | 227 | SCM_SETCHARS (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
0f2d19dd JB |
228 | SCM_SETLENGTH (v, (k < SCM_LENGTH_MAX ? k : SCM_LENGTH_MAX), type); |
229 | SCM_ALLOW_INTS; | |
230 | return v; | |
231 | } | |
232 | ||
3b3b36dd | 233 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1bbd0b84 | 234 | (SCM v), |
b380b885 | 235 | "Returns the number of elements in @var{uve}.") |
1bbd0b84 | 236 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
237 | { |
238 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
239 | switch SCM_TYP7 | |
240 | (v) | |
241 | { | |
242 | default: | |
1bbd0b84 | 243 | badarg1:SCM_WTA(1,v); |
0f2d19dd JB |
244 | case scm_tc7_bvect: |
245 | case scm_tc7_string: | |
246 | case scm_tc7_byvect: | |
247 | case scm_tc7_uvect: | |
248 | case scm_tc7_ivect: | |
249 | case scm_tc7_fvect: | |
250 | case scm_tc7_dvect: | |
251 | case scm_tc7_cvect: | |
252 | case scm_tc7_vector: | |
95f5b0f5 | 253 | case scm_tc7_wvect: |
0f2d19dd | 254 | case scm_tc7_svect: |
5c11cc9d | 255 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
256 | case scm_tc7_llvect: |
257 | #endif | |
258 | return SCM_MAKINUM (SCM_LENGTH (v)); | |
259 | } | |
260 | } | |
1bbd0b84 | 261 | #undef FUNC_NAME |
0f2d19dd | 262 | |
3b3b36dd | 263 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 264 | (SCM v, SCM prot), |
b380b885 MD |
265 | "Returns @code{#t} if the @var{obj} is an array, and @code{#f} if not.\n\n" |
266 | "The @var{prototype} argument is used with uniform arrays and is described\n" | |
267 | "elsewhere.") | |
1bbd0b84 | 268 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
269 | { |
270 | int nprot; | |
271 | int enclosed; | |
272 | nprot = SCM_UNBNDP (prot); | |
273 | enclosed = 0; | |
274 | if (SCM_IMP (v)) | |
275 | return SCM_BOOL_F; | |
c209c88e GB |
276 | |
277 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 278 | { |
0f2d19dd JB |
279 | if (!SCM_ARRAYP (v)) |
280 | return SCM_BOOL_F; | |
281 | if (nprot) | |
282 | return SCM_BOOL_T; | |
283 | if (enclosed++) | |
284 | return SCM_BOOL_F; | |
285 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
286 | } |
287 | if (nprot) | |
288 | return SCM_BOOL(nprot); | |
289 | else | |
290 | { | |
291 | int protp = 0; | |
292 | ||
293 | switch (SCM_TYP7 (v)) | |
294 | { | |
295 | case scm_tc7_bvect: | |
9a09deb1 | 296 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
c209c88e | 297 | case scm_tc7_string: |
4260a7fc | 298 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
c209c88e | 299 | case scm_tc7_byvect: |
4260a7fc | 300 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
c209c88e GB |
301 | case scm_tc7_uvect: |
302 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
303 | case scm_tc7_ivect: | |
304 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
305 | ||
306 | case scm_tc7_svect: | |
307 | protp = SCM_SYMBOLP (prot) | |
308 | && (1 == SCM_LENGTH (prot)) | |
86c991c2 | 309 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
5c11cc9d | 310 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
311 | case scm_tc7_llvect: |
312 | protp = SCM_SYMBOLP (prot) | |
313 | && (1 == SCM_LENGTH (prot)) | |
86c991c2 | 314 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
0f2d19dd | 315 | #endif |
c209c88e | 316 | case scm_tc7_fvect: |
bc86da5d | 317 | protp = singp (prot); |
c209c88e GB |
318 | case scm_tc7_dvect: |
319 | protp = SCM_REALP(prot); | |
320 | case scm_tc7_cvect: | |
eb42e2f0 | 321 | protp = SCM_COMPLEXP(prot); |
c209c88e GB |
322 | case scm_tc7_vector: |
323 | case scm_tc7_wvect: | |
324 | protp = SCM_NULLP(prot); | |
325 | default: | |
326 | /* no default */ | |
327 | ; | |
328 | } | |
329 | return SCM_BOOL(protp); | |
0f2d19dd | 330 | } |
0f2d19dd | 331 | } |
1bbd0b84 | 332 | #undef FUNC_NAME |
0f2d19dd JB |
333 | |
334 | ||
3b3b36dd | 335 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 336 | (SCM ra), |
b380b885 MD |
337 | "Returns the number of dimensions of @var{obj}. If @var{obj} is not an\n" |
338 | "array, @code{0} is returned.") | |
1bbd0b84 | 339 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
340 | { |
341 | if (SCM_IMP (ra)) | |
1bbd0b84 | 342 | return SCM_INUM0; |
0f2d19dd JB |
343 | switch (SCM_TYP7 (ra)) |
344 | { | |
345 | default: | |
346 | return SCM_INUM0; | |
347 | case scm_tc7_string: | |
348 | case scm_tc7_vector: | |
95f5b0f5 | 349 | case scm_tc7_wvect: |
0f2d19dd JB |
350 | case scm_tc7_byvect: |
351 | case scm_tc7_uvect: | |
352 | case scm_tc7_ivect: | |
353 | case scm_tc7_fvect: | |
354 | case scm_tc7_cvect: | |
355 | case scm_tc7_dvect: | |
5c11cc9d | 356 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
357 | case scm_tc7_llvect: |
358 | #endif | |
359 | case scm_tc7_svect: | |
360 | return SCM_MAKINUM (1L); | |
361 | case scm_tc7_smob: | |
362 | if (SCM_ARRAYP (ra)) | |
363 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
364 | return SCM_INUM0; | |
365 | } | |
366 | } | |
1bbd0b84 | 367 | #undef FUNC_NAME |
0f2d19dd JB |
368 | |
369 | ||
3b3b36dd | 370 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 371 | (SCM ra), |
b380b885 MD |
372 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
373 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
374 | "@example\n" | |
375 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" | |
376 | "@end example") | |
1bbd0b84 | 377 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
378 | { |
379 | SCM res = SCM_EOL; | |
380 | scm_sizet k; | |
381 | scm_array_dim *s; | |
382 | if (SCM_IMP (ra)) | |
1bbd0b84 | 383 | return SCM_BOOL_F; |
0f2d19dd JB |
384 | switch (SCM_TYP7 (ra)) |
385 | { | |
386 | default: | |
387 | return SCM_BOOL_F; | |
388 | case scm_tc7_string: | |
389 | case scm_tc7_vector: | |
95f5b0f5 | 390 | case scm_tc7_wvect: |
0f2d19dd JB |
391 | case scm_tc7_bvect: |
392 | case scm_tc7_byvect: | |
393 | case scm_tc7_uvect: | |
394 | case scm_tc7_ivect: | |
395 | case scm_tc7_fvect: | |
396 | case scm_tc7_cvect: | |
397 | case scm_tc7_dvect: | |
398 | case scm_tc7_svect: | |
5c11cc9d | 399 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
400 | case scm_tc7_llvect: |
401 | #endif | |
402 | return scm_cons (SCM_MAKINUM (SCM_LENGTH (ra)), SCM_EOL); | |
403 | case scm_tc7_smob: | |
404 | if (!SCM_ARRAYP (ra)) | |
405 | return SCM_BOOL_F; | |
406 | k = SCM_ARRAY_NDIM (ra); | |
407 | s = SCM_ARRAY_DIMS (ra); | |
408 | while (k--) | |
e2d37336 MD |
409 | res = scm_cons (s[k].lbnd |
410 | ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), | |
411 | SCM_MAKINUM (s[k].ubnd), | |
412 | SCM_EOL) | |
413 | : SCM_MAKINUM (1 + s[k].ubnd), | |
414 | res); | |
0f2d19dd JB |
415 | return res; |
416 | } | |
417 | } | |
1bbd0b84 | 418 | #undef FUNC_NAME |
0f2d19dd JB |
419 | |
420 | ||
e2d37336 MD |
421 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
422 | (SCM ra), | |
423 | "Return the root vector of a shared array.") | |
424 | #define FUNC_NAME s_scm_shared_array_root | |
425 | { | |
426 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
427 | return SCM_ARRAY_V (ra); | |
428 | } | |
429 | #undef FUNC_NAME | |
430 | ||
431 | ||
432 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
433 | (SCM ra), | |
434 | "Return the root vector index of the first element in the array.") | |
435 | #define FUNC_NAME s_scm_shared_array_offset | |
436 | { | |
437 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
438 | return SCM_MAKINUM (SCM_ARRAY_BASE (ra)); | |
439 | } | |
440 | #undef FUNC_NAME | |
441 | ||
442 | ||
443 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
444 | (SCM ra), | |
445 | "For each dimension, return the distance between elements in the root vector.") | |
446 | #define FUNC_NAME s_scm_shared_array_increments | |
447 | { | |
448 | SCM res = SCM_EOL; | |
449 | scm_sizet k; | |
450 | scm_array_dim *s; | |
451 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
452 | k = SCM_ARRAY_NDIM (ra); | |
453 | s = SCM_ARRAY_DIMS (ra); | |
454 | while (k--) | |
455 | res = scm_cons (SCM_MAKINUM (s[k].inc), res); | |
456 | return res; | |
457 | } | |
458 | #undef FUNC_NAME | |
459 | ||
460 | ||
0f2d19dd JB |
461 | static char s_bad_ind[] = "Bad scm_array index"; |
462 | ||
1cc91f1b | 463 | |
0f2d19dd | 464 | long |
1bbd0b84 | 465 | scm_aind (SCM ra, SCM args, const char *what) |
0f2d19dd JB |
466 | { |
467 | SCM ind; | |
468 | register long j; | |
469 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
470 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
471 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
472 | if (SCM_INUMP (args)) | |
0f2d19dd | 473 | { |
f5bf2977 | 474 | SCM_ASSERT (1 == k, scm_makfrom0str (what), SCM_WNA, NULL); |
0f2d19dd JB |
475 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
476 | } | |
477 | while (k && SCM_NIMP (args)) | |
478 | { | |
479 | ind = SCM_CAR (args); | |
480 | args = SCM_CDR (args); | |
481 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, what); | |
482 | j = SCM_INUM (ind); | |
685c0d71 DH |
483 | if (j < s->lbnd || j > s->ubnd) |
484 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
485 | pos += (j - s->lbnd) * (s->inc); |
486 | k--; | |
487 | s++; | |
488 | } | |
f5bf2977 GH |
489 | SCM_ASSERT (0 == k && SCM_NULLP (args), scm_makfrom0str (what), SCM_WNA, |
490 | NULL); | |
0f2d19dd JB |
491 | return pos; |
492 | } | |
493 | ||
494 | ||
1cc91f1b | 495 | |
0f2d19dd | 496 | SCM |
1bbd0b84 | 497 | scm_make_ra (int ndim) |
0f2d19dd JB |
498 | { |
499 | SCM ra; | |
500 | SCM_NEWCELL (ra); | |
501 | SCM_DEFER_INTS; | |
23a62151 MD |
502 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
503 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 504 | "array")); |
0f2d19dd JB |
505 | SCM_ARRAY_V (ra) = scm_nullvect; |
506 | SCM_ALLOW_INTS; | |
507 | return ra; | |
508 | } | |
509 | ||
510 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
511 | /* Increments will still need to be set. */ | |
512 | ||
1cc91f1b | 513 | |
0f2d19dd | 514 | SCM |
1bbd0b84 | 515 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
516 | { |
517 | scm_array_dim *s; | |
518 | SCM ra, spec, sp; | |
519 | int ndim = scm_ilength (args); | |
520 | SCM_ASSERT (0 <= ndim, args, s_bad_spec, what); | |
521 | ra = scm_make_ra (ndim); | |
522 | SCM_ARRAY_BASE (ra) = 0; | |
523 | s = SCM_ARRAY_DIMS (ra); | |
524 | for (; SCM_NIMP (args); s++, args = SCM_CDR (args)) | |
525 | { | |
526 | spec = SCM_CAR (args); | |
527 | if (SCM_IMP (spec)) | |
528 | ||
529 | { | |
20a54673 GH |
530 | SCM_ASSERT (SCM_INUMP (spec) && SCM_INUM (spec) >= 0, spec, |
531 | s_bad_spec, what); | |
0f2d19dd JB |
532 | s->lbnd = 0; |
533 | s->ubnd = SCM_INUM (spec) - 1; | |
534 | s->inc = 1; | |
535 | } | |
536 | else | |
537 | { | |
20a54673 GH |
538 | SCM_ASSERT (SCM_CONSP (spec) && SCM_INUMP (SCM_CAR (spec)), spec, |
539 | s_bad_spec, what); | |
0f2d19dd JB |
540 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
541 | sp = SCM_CDR (spec); | |
0c95b57d | 542 | SCM_ASSERT (SCM_CONSP (sp) |
20a54673 GH |
543 | && SCM_INUMP (SCM_CAR (sp)) && SCM_NULLP (SCM_CDR (sp)), |
544 | spec, s_bad_spec, what); | |
0f2d19dd JB |
545 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
546 | s->inc = 1; | |
547 | } | |
548 | } | |
549 | return ra; | |
550 | } | |
551 | ||
3b3b36dd | 552 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1bbd0b84 | 553 | (SCM dims, SCM prot, SCM fill), |
b380b885 MD |
554 | "@deffnx primitive make-uniform-vector length prototype [fill]\n" |
555 | "Creates and returns a uniform array or vector of type corresponding to\n" | |
556 | "@var{prototype} with dimensions @var{dims} or length @var{length}. If\n" | |
557 | "@var{fill} is supplied, it's used to fill the array, otherwise \n" | |
558 | "@var{prototype} is used.") | |
1bbd0b84 | 559 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd JB |
560 | { |
561 | scm_sizet k, vlen = 1; | |
562 | long rlen = 1; | |
563 | scm_array_dim *s; | |
564 | SCM ra; | |
565 | if (SCM_INUMP (dims)) | |
cda139a7 | 566 | { |
0f2d19dd JB |
567 | if (SCM_INUM (dims) < SCM_LENGTH_MAX) |
568 | { | |
5c11cc9d GH |
569 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
570 | ||
571 | if (!SCM_UNBNDP (fill)) | |
572 | scm_array_fill_x (answer, fill); | |
0c95b57d | 573 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
574 | scm_array_fill_x (answer, SCM_MAKINUM (0)); |
575 | else | |
576 | scm_array_fill_x (answer, prot); | |
577 | return answer; | |
578 | } | |
579 | else | |
580 | dims = scm_cons (dims, SCM_EOL); | |
cda139a7 | 581 | } |
0c95b57d GB |
582 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
583 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 584 | ra = scm_shap2ra (dims, FUNC_NAME); |
898a256f | 585 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
586 | s = SCM_ARRAY_DIMS (ra); |
587 | k = SCM_ARRAY_NDIM (ra); | |
588 | while (k--) | |
589 | { | |
590 | s[k].inc = (rlen > 0 ? rlen : 0); | |
591 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; | |
592 | vlen *= (s[k].ubnd - s[k].lbnd + 1); | |
593 | } | |
594 | if (rlen < SCM_LENGTH_MAX) | |
595 | SCM_ARRAY_V (ra) = scm_make_uve ((rlen > 0 ? rlen : 0L), prot); | |
596 | else | |
597 | { | |
598 | scm_sizet bit; | |
599 | switch (SCM_TYP7 (scm_make_uve (0L, prot))) | |
600 | { | |
601 | default: | |
602 | bit = SCM_LONG_BIT; | |
603 | break; | |
604 | case scm_tc7_bvect: | |
605 | bit = 1; | |
606 | break; | |
607 | case scm_tc7_string: | |
608 | bit = SCM_CHAR_BIT; | |
609 | break; | |
610 | case scm_tc7_fvect: | |
611 | bit = sizeof (float) * SCM_CHAR_BIT / sizeof (char); | |
612 | break; | |
613 | case scm_tc7_dvect: | |
614 | bit = sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
615 | break; | |
616 | case scm_tc7_cvect: | |
617 | bit = 2 * sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
618 | break; | |
619 | } | |
620 | SCM_ARRAY_BASE (ra) = (SCM_LONG_BIT + bit - 1) / bit; | |
621 | rlen += SCM_ARRAY_BASE (ra); | |
622 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); | |
623 | *((long *) SCM_VELTS (SCM_ARRAY_V (ra))) = rlen; | |
624 | } | |
5c11cc9d | 625 | if (!SCM_UNBNDP (fill)) |
0f2d19dd | 626 | { |
5c11cc9d | 627 | scm_array_fill_x (ra, fill); |
0f2d19dd | 628 | } |
0c95b57d | 629 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
630 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
631 | else | |
632 | scm_array_fill_x (ra, prot); | |
633 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) | |
634 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
635 | return SCM_ARRAY_V (ra); | |
636 | return ra; | |
637 | } | |
1bbd0b84 | 638 | #undef FUNC_NAME |
0f2d19dd | 639 | |
1cc91f1b | 640 | |
0f2d19dd | 641 | void |
1bbd0b84 | 642 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
643 | { |
644 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 645 | if (k) |
0f2d19dd | 646 | { |
fe0c6dae JB |
647 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
648 | while (k--) | |
0f2d19dd | 649 | { |
fe0c6dae JB |
650 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
651 | { | |
898a256f | 652 | SCM_SETAND_CAR (ra, ~SCM_ARRAY_CONTIGUOUS); |
fe0c6dae JB |
653 | return; |
654 | } | |
655 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
656 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 657 | } |
0f2d19dd | 658 | } |
898a256f | 659 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
660 | } |
661 | ||
662 | ||
3b3b36dd | 663 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 664 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
665 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
666 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
667 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
668 | "linear, and its range must stay within the bounds of the old array, but\n" | |
669 | "it can be otherwise arbitrary. A simple example:\n" | |
670 | "@example\n" | |
671 | "(define fred (make-array #f 8 8))\n" | |
672 | "(define freds-diagonal\n" | |
673 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
674 | "(array-set! freds-diagonal 'foo 3)\n" | |
675 | "(array-ref fred 3 3) @result{} foo\n" | |
676 | "(define freds-center\n" | |
677 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
678 | "(array-ref freds-center 0 0) @result{} foo\n" | |
679 | "@end example") | |
1bbd0b84 | 680 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
681 | { |
682 | SCM ra; | |
683 | SCM inds, indptr; | |
684 | SCM imap; | |
685 | scm_sizet i, k; | |
686 | long old_min, new_min, old_max, new_max; | |
687 | scm_array_dim *s; | |
3b3b36dd GB |
688 | SCM_VALIDATE_ARRAY (1,oldra); |
689 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 690 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
691 | if (SCM_ARRAYP (oldra)) |
692 | { | |
693 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
694 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
695 | s = SCM_ARRAY_DIMS (oldra); | |
696 | k = SCM_ARRAY_NDIM (oldra); | |
697 | while (k--) | |
698 | { | |
699 | if (s[k].inc > 0) | |
700 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
701 | else | |
702 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
703 | } | |
704 | } | |
705 | else | |
706 | { | |
707 | SCM_ARRAY_V (ra) = oldra; | |
708 | old_min = 0; | |
709 | old_max = (long) SCM_LENGTH (oldra) - 1; | |
710 | } | |
711 | inds = SCM_EOL; | |
712 | s = SCM_ARRAY_DIMS (ra); | |
713 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
714 | { | |
715 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
716 | if (s[k].ubnd < s[k].lbnd) | |
717 | { | |
718 | if (1 == SCM_ARRAY_NDIM (ra)) | |
719 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
720 | else | |
721 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
722 | return ra; | |
723 | } | |
724 | } | |
92396c0a | 725 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 726 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 727 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
728 | else |
729 | { | |
730 | if (SCM_NINUMP (imap)) | |
731 | ||
732 | { | |
733 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 734 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
735 | imap = SCM_CAR (imap); |
736 | } | |
737 | i = SCM_INUM (imap); | |
738 | } | |
739 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
740 | indptr = inds; | |
741 | k = SCM_ARRAY_NDIM (ra); | |
742 | while (k--) | |
743 | { | |
744 | if (s[k].ubnd > s[k].lbnd) | |
745 | { | |
898a256f | 746 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
747 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
748 | if (SCM_ARRAYP (oldra)) | |
749 | ||
1bbd0b84 | 750 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
751 | else |
752 | { | |
753 | if (SCM_NINUMP (imap)) | |
754 | ||
755 | { | |
756 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 757 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
758 | imap = SCM_CAR (imap); |
759 | } | |
760 | s[k].inc = (long) SCM_INUM (imap) - i; | |
761 | } | |
762 | i += s[k].inc; | |
763 | if (s[k].inc > 0) | |
764 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
765 | else | |
766 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
767 | } | |
768 | else | |
769 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
770 | indptr = SCM_CDR (indptr); | |
771 | } | |
772 | SCM_ASSERT (old_min <= new_min && old_max >= new_max, SCM_UNDEFINED, | |
1bbd0b84 | 773 | "mapping out of range", FUNC_NAME); |
0f2d19dd JB |
774 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
775 | { | |
776 | if (1 == s->inc && 0 == s->lbnd | |
777 | && SCM_LENGTH (SCM_ARRAY_V (ra)) == 1 + s->ubnd) | |
778 | return SCM_ARRAY_V (ra); | |
779 | if (s->ubnd < s->lbnd) | |
780 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
781 | } | |
782 | scm_ra_set_contp (ra); | |
783 | return ra; | |
784 | } | |
1bbd0b84 | 785 | #undef FUNC_NAME |
0f2d19dd JB |
786 | |
787 | ||
788 | /* args are RA . DIMS */ | |
af45e3b0 DH |
789 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
790 | (SCM ra, SCM args), | |
b380b885 MD |
791 | "Returns an array sharing contents with @var{array}, but with dimensions\n" |
792 | "arranged in a different order. There must be one @var{dim} argument for\n" | |
793 | "each dimension of @var{array}. @var{dim0}, @var{dim1}, @dots{} should\n" | |
794 | "be integers between 0 and the rank of the array to be returned. Each\n" | |
795 | "integer in that range must appear at least once in the argument list.\n\n" | |
796 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to dimensions\n" | |
797 | "in the array to be returned, their positions in the argument list to\n" | |
798 | "dimensions of @var{array}. Several @var{dim}s may have the same value,\n" | |
799 | "in which case the returned array will have smaller rank than\n" | |
800 | "@var{array}.\n\n" | |
801 | "examples:\n" | |
802 | "@example\n" | |
803 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" | |
804 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
805 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
806 | " #2((a 4) (b 5) (c 6))\n" | |
807 | "@end example") | |
1bbd0b84 | 808 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 809 | { |
af45e3b0 | 810 | SCM res, vargs, *ve = &vargs; |
0f2d19dd JB |
811 | scm_array_dim *s, *r; |
812 | int ndim, i, k; | |
af45e3b0 | 813 | |
1bbd0b84 | 814 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 815 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
816 | { |
817 | default: | |
1bbd0b84 | 818 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
819 | case scm_tc7_bvect: |
820 | case scm_tc7_string: | |
821 | case scm_tc7_byvect: | |
822 | case scm_tc7_uvect: | |
823 | case scm_tc7_ivect: | |
824 | case scm_tc7_fvect: | |
825 | case scm_tc7_dvect: | |
826 | case scm_tc7_cvect: | |
827 | case scm_tc7_svect: | |
5c11cc9d | 828 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
829 | case scm_tc7_llvect: |
830 | #endif | |
af45e3b0 | 831 | SCM_ASSERT (!SCM_NULLP (args) && SCM_NULLP (SCM_CDR (args)), |
1bbd0b84 | 832 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 833 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), SCM_CAR (args), SCM_ARG2, |
1bbd0b84 | 834 | FUNC_NAME); |
685c0d71 DH |
835 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), |
836 | SCM_EQ_P (SCM_INUM0, SCM_CAR (args))); | |
0f2d19dd JB |
837 | return ra; |
838 | case scm_tc7_smob: | |
839 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
840 | vargs = scm_vector (args); | |
f5bf2977 | 841 | SCM_ASSERT (SCM_LENGTH (vargs) == SCM_ARRAY_NDIM (ra), |
1bbd0b84 | 842 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 843 | ve = SCM_VELTS (vargs); |
0f2d19dd JB |
844 | ndim = 0; |
845 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
846 | { | |
20a54673 | 847 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 848 | FUNC_NAME); |
0f2d19dd | 849 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
850 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
851 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
852 | if (ndim < i) |
853 | ndim = i; | |
854 | } | |
855 | ndim++; | |
856 | res = scm_make_ra (ndim); | |
857 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
858 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
859 | for (k = ndim; k--;) | |
860 | { | |
861 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
862 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
863 | } | |
864 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
865 | { | |
866 | i = SCM_INUM (ve[k]); | |
867 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
868 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
869 | if (r->ubnd < r->lbnd) | |
870 | { | |
871 | r->lbnd = s->lbnd; | |
872 | r->ubnd = s->ubnd; | |
873 | r->inc = s->inc; | |
874 | ndim--; | |
875 | } | |
876 | else | |
877 | { | |
878 | if (r->ubnd > s->ubnd) | |
879 | r->ubnd = s->ubnd; | |
880 | if (r->lbnd < s->lbnd) | |
881 | { | |
882 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
883 | r->lbnd = s->lbnd; | |
884 | } | |
885 | r->inc += s->inc; | |
886 | } | |
887 | } | |
1bbd0b84 | 888 | SCM_ASSERT (ndim <= 0, args, "bad argument list", FUNC_NAME); |
0f2d19dd JB |
889 | scm_ra_set_contp (res); |
890 | return res; | |
891 | } | |
892 | } | |
1bbd0b84 | 893 | #undef FUNC_NAME |
0f2d19dd JB |
894 | |
895 | /* args are RA . AXES */ | |
af45e3b0 DH |
896 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
897 | (SCM ra, SCM axes), | |
b380b885 MD |
898 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
899 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
900 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
901 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
902 | "the dimensions of the outer array are the same as those of the original\n" | |
903 | "array that did not match a @var{dim}.\n\n" | |
904 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
905 | "be set using @code{array-set!}. Two references to the same element of\n" | |
906 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
907 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
908 | "enclosed array is unspecified.\n\n" | |
909 | "examples:\n" | |
910 | "@example\n" | |
911 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" | |
912 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
913 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
914 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
915 | "@end example") | |
1bbd0b84 | 916 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 917 | { |
af45e3b0 | 918 | SCM axv, res, ra_inr; |
0f2d19dd JB |
919 | scm_array_dim vdim, *s = &vdim; |
920 | int ndim, j, k, ninr, noutr; | |
af45e3b0 | 921 | |
0f2d19dd | 922 | if (SCM_NULLP (axes)) |
0f2d19dd JB |
923 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
924 | ninr = scm_ilength (axes); | |
af45e3b0 | 925 | SCM_ASSERT (0 <= ninr, scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
0f2d19dd JB |
926 | ra_inr = scm_make_ra (ninr); |
927 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
928 | switch SCM_TYP7 | |
929 | (ra) | |
930 | { | |
931 | default: | |
1bbd0b84 | 932 | badarg1:SCM_WTA (1,ra); |
0f2d19dd JB |
933 | case scm_tc7_string: |
934 | case scm_tc7_bvect: | |
935 | case scm_tc7_byvect: | |
936 | case scm_tc7_uvect: | |
937 | case scm_tc7_ivect: | |
938 | case scm_tc7_fvect: | |
939 | case scm_tc7_dvect: | |
940 | case scm_tc7_cvect: | |
941 | case scm_tc7_vector: | |
95f5b0f5 | 942 | case scm_tc7_wvect: |
0f2d19dd | 943 | case scm_tc7_svect: |
5c11cc9d | 944 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
945 | case scm_tc7_llvect: |
946 | #endif | |
947 | s->lbnd = 0; | |
948 | s->ubnd = SCM_LENGTH (ra) - 1; | |
949 | s->inc = 1; | |
950 | SCM_ARRAY_V (ra_inr) = ra; | |
951 | SCM_ARRAY_BASE (ra_inr) = 0; | |
952 | ndim = 1; | |
953 | break; | |
954 | case scm_tc7_smob: | |
955 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
956 | s = SCM_ARRAY_DIMS (ra); | |
957 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
958 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
959 | ndim = SCM_ARRAY_NDIM (ra); | |
960 | break; | |
961 | } | |
962 | noutr = ndim - ninr; | |
7866a09b | 963 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
af45e3b0 | 964 | SCM_ASSERT (0 <= noutr, scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
0f2d19dd JB |
965 | res = scm_make_ra (noutr); |
966 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
967 | SCM_ARRAY_V (res) = ra_inr; | |
968 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
969 | { | |
1bbd0b84 | 970 | SCM_ASSERT (SCM_INUMP (SCM_CAR (axes)), SCM_CAR (axes), "bad axis", FUNC_NAME); |
0f2d19dd JB |
971 | j = SCM_INUM (SCM_CAR (axes)); |
972 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
973 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
974 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 975 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
976 | } |
977 | for (j = 0, k = 0; k < noutr; k++, j++) | |
978 | { | |
405aaef9 | 979 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
980 | j++; |
981 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
982 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
983 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
984 | } | |
985 | scm_ra_set_contp (ra_inr); | |
986 | scm_ra_set_contp (res); | |
987 | return res; | |
988 | } | |
1bbd0b84 | 989 | #undef FUNC_NAME |
0f2d19dd JB |
990 | |
991 | ||
992 | ||
af45e3b0 DH |
993 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
994 | (SCM v, SCM args), | |
b380b885 | 995 | "Returns @code{#t} if its arguments would be acceptable to array-ref.") |
1bbd0b84 | 996 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 997 | { |
af45e3b0 | 998 | SCM ind = SCM_EOL; |
0f2d19dd JB |
999 | long pos = 0; |
1000 | register scm_sizet k; | |
1001 | register long j; | |
1002 | scm_array_dim *s; | |
af45e3b0 | 1003 | |
0f2d19dd JB |
1004 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1005 | if (SCM_NIMP (args)) | |
1006 | ||
1007 | { | |
1008 | ind = SCM_CAR (args); | |
1009 | args = SCM_CDR (args); | |
1bbd0b84 | 1010 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1011 | pos = SCM_INUM (ind); |
1012 | } | |
1013 | tail: | |
1014 | switch SCM_TYP7 | |
1015 | (v) | |
1016 | { | |
1017 | default: | |
1bbd0b84 GB |
1018 | badarg1:SCM_WTA (1,v); |
1019 | wna: scm_wrong_num_args (scm_makfrom0str (FUNC_NAME)); | |
0f2d19dd JB |
1020 | case scm_tc7_smob: |
1021 | k = SCM_ARRAY_NDIM (v); | |
1022 | s = SCM_ARRAY_DIMS (v); | |
1023 | pos = SCM_ARRAY_BASE (v); | |
1024 | if (!k) | |
1025 | { | |
1026 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1027 | ind = SCM_INUM0; | |
1028 | } | |
1029 | else | |
1030 | while (!0) | |
1031 | { | |
1032 | j = SCM_INUM (ind); | |
1033 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1034 | { | |
1035 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1036 | return SCM_BOOL_F; | |
1037 | } | |
1038 | pos += (j - s->lbnd) * (s->inc); | |
1039 | if (!(--k && SCM_NIMP (args))) | |
1040 | break; | |
1041 | ind = SCM_CAR (args); | |
1042 | args = SCM_CDR (args); | |
1043 | s++; | |
1bbd0b84 | 1044 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
1045 | } |
1046 | SCM_ASRTGO (0 == k, wna); | |
1047 | v = SCM_ARRAY_V (v); | |
1048 | goto tail; | |
1049 | case scm_tc7_bvect: | |
1050 | case scm_tc7_string: | |
1051 | case scm_tc7_byvect: | |
1052 | case scm_tc7_uvect: | |
1053 | case scm_tc7_ivect: | |
1054 | case scm_tc7_fvect: | |
1055 | case scm_tc7_dvect: | |
1056 | case scm_tc7_cvect: | |
1057 | case scm_tc7_svect: | |
5c11cc9d | 1058 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1059 | case scm_tc7_llvect: |
1060 | #endif | |
1061 | case scm_tc7_vector: | |
95f5b0f5 | 1062 | case scm_tc7_wvect: |
0f2d19dd | 1063 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1bbd0b84 | 1064 | return SCM_BOOL(pos >= 0 && pos < SCM_LENGTH (v)); |
0f2d19dd JB |
1065 | } |
1066 | } | |
1bbd0b84 | 1067 | #undef FUNC_NAME |
0f2d19dd JB |
1068 | |
1069 | ||
1bbd0b84 | 1070 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1071 | |
1bbd0b84 | 1072 | |
3b3b36dd | 1073 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1074 | (SCM v, SCM args), |
ec57ce2e | 1075 | "@deffnx primitive array-ref v . args\n" |
b380b885 | 1076 | "Returns the element at the @code{(index1, index2)} element in @var{array}.") |
1bbd0b84 | 1077 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1078 | { |
1079 | long pos; | |
0f2d19dd | 1080 | |
35de7ebe | 1081 | if (SCM_IMP (v)) |
0f2d19dd JB |
1082 | { |
1083 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1084 | return v; | |
1085 | } | |
1086 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1087 | { |
1bbd0b84 | 1088 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1089 | v = SCM_ARRAY_V (v); |
1090 | } | |
1091 | else | |
1092 | { | |
1093 | if (SCM_NIMP (args)) | |
1094 | ||
1095 | { | |
1bbd0b84 | 1096 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1097 | pos = SCM_INUM (SCM_CAR (args)); |
1098 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1099 | } | |
1100 | else | |
1101 | { | |
3b3b36dd | 1102 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1103 | pos = SCM_INUM (args); |
1104 | } | |
1105 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1106 | } | |
1107 | switch SCM_TYP7 | |
1108 | (v) | |
1109 | { | |
1110 | default: | |
1111 | if (SCM_NULLP (args)) | |
1112 | return v; | |
35de7ebe | 1113 | badarg: |
1bbd0b84 | 1114 | SCM_WTA (1,v); |
35de7ebe | 1115 | abort (); |
c209c88e GB |
1116 | |
1117 | outrng: | |
1118 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1119 | wna: | |
1120 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1121 | case scm_tc7_smob: |
1122 | { /* enclosed */ | |
1123 | int k = SCM_ARRAY_NDIM (v); | |
1124 | SCM res = scm_make_ra (k); | |
1125 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1126 | SCM_ARRAY_BASE (res) = pos; | |
1127 | while (k--) | |
1128 | { | |
1129 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1130 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1131 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1132 | } | |
1133 | return res; | |
1134 | } | |
1135 | case scm_tc7_bvect: | |
c209c88e | 1136 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1137 | return SCM_BOOL_T; |
1138 | else | |
1139 | return SCM_BOOL_F; | |
1140 | case scm_tc7_string: | |
322ac0c5 | 1141 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1142 | case scm_tc7_byvect: |
405aaef9 | 1143 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1144 | case scm_tc7_uvect: |
fee7ef83 | 1145 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1146 | case scm_tc7_ivect: |
fee7ef83 | 1147 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1148 | |
1149 | case scm_tc7_svect: | |
4260a7fc | 1150 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1151 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1152 | case scm_tc7_llvect: |
4260a7fc | 1153 | return scm_long_long2num (((long_long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1154 | #endif |
1155 | ||
0f2d19dd | 1156 | case scm_tc7_fvect: |
4260a7fc | 1157 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1158 | case scm_tc7_dvect: |
4260a7fc | 1159 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1160 | case scm_tc7_cvect: |
4260a7fc DH |
1161 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1162 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1163 | case scm_tc7_vector: |
95f5b0f5 | 1164 | case scm_tc7_wvect: |
0f2d19dd JB |
1165 | return SCM_VELTS (v)[pos]; |
1166 | } | |
1167 | } | |
1bbd0b84 | 1168 | #undef FUNC_NAME |
0f2d19dd JB |
1169 | |
1170 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1171 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1172 | |
0f2d19dd | 1173 | SCM |
6e8d25a6 | 1174 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
0f2d19dd | 1175 | { |
5c11cc9d | 1176 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1177 | { |
1178 | default: | |
1179 | scm_wta (v, (char *) SCM_ARG1, "PROGRAMMING ERROR: scm_cvref"); | |
1180 | case scm_tc7_bvect: | |
c209c88e | 1181 | if (SCM_BITVEC_REF(v,pos)) |
0f2d19dd JB |
1182 | return SCM_BOOL_T; |
1183 | else | |
1184 | return SCM_BOOL_F; | |
1185 | case scm_tc7_string: | |
322ac0c5 | 1186 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1187 | case scm_tc7_byvect: |
405aaef9 | 1188 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1189 | case scm_tc7_uvect: |
fee7ef83 | 1190 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1191 | case scm_tc7_ivect: |
fee7ef83 | 1192 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1193 | case scm_tc7_svect: |
4260a7fc | 1194 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1195 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1196 | case scm_tc7_llvect: |
4260a7fc | 1197 | return scm_long_long2num (((long_long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1198 | #endif |
0f2d19dd | 1199 | case scm_tc7_fvect: |
fee7ef83 | 1200 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1201 | { |
4260a7fc | 1202 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1203 | return last; |
1204 | } | |
4260a7fc | 1205 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1206 | case scm_tc7_dvect: |
fee7ef83 | 1207 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1208 | { |
4260a7fc | 1209 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1210 | return last; |
1211 | } | |
4260a7fc | 1212 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1213 | case scm_tc7_cvect: |
bc86da5d | 1214 | if (SCM_NIMP (last) && SCM_SLOPPY_COMPLEXP (last)) |
0f2d19dd | 1215 | { |
4260a7fc DH |
1216 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1217 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1218 | return last; |
1219 | } | |
4260a7fc DH |
1220 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1221 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1222 | case scm_tc7_vector: |
95f5b0f5 | 1223 | case scm_tc7_wvect: |
0f2d19dd JB |
1224 | return SCM_VELTS (v)[pos]; |
1225 | case scm_tc7_smob: | |
1226 | { /* enclosed scm_array */ | |
1227 | int k = SCM_ARRAY_NDIM (v); | |
1228 | SCM res = scm_make_ra (k); | |
1229 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1230 | SCM_ARRAY_BASE (res) = pos; | |
1231 | while (k--) | |
1232 | { | |
1233 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1234 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1235 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1236 | } | |
1237 | return res; | |
1238 | } | |
1239 | } | |
1240 | } | |
1241 | ||
1bbd0b84 GB |
1242 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1243 | ||
1cc91f1b | 1244 | |
0aa0871f GH |
1245 | /* Note that args may be a list or an immediate object, depending which |
1246 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1247 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1248 | (SCM v, SCM obj, SCM args), |
ec57ce2e | 1249 | "@deffnx primitive uniform-array-set1! v obj args\n" |
b380b885 MD |
1250 | "Sets the element at the @code{(index1, index2)} element in @var{array} to\n" |
1251 | "@var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1252 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1253 | { |
f3667f52 | 1254 | long pos = 0; |
0f2d19dd JB |
1255 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1256 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1257 | { |
1bbd0b84 | 1258 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1259 | v = SCM_ARRAY_V (v); |
1260 | } | |
1261 | else | |
1262 | { | |
1263 | if (SCM_NIMP (args)) | |
0f2d19dd | 1264 | { |
0aa0871f | 1265 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1266 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1267 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1268 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1269 | } |
1270 | else | |
1271 | { | |
3b3b36dd | 1272 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd JB |
1273 | } |
1274 | SCM_ASRTGO (pos >= 0 && pos < SCM_LENGTH (v), outrng); | |
1275 | } | |
1276 | switch (SCM_TYP7 (v)) | |
1277 | { | |
35de7ebe | 1278 | default: badarg1: |
1bbd0b84 | 1279 | SCM_WTA (1,v); |
35de7ebe | 1280 | abort (); |
c209c88e GB |
1281 | outrng: |
1282 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1283 | wna: | |
1284 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1285 | case scm_tc7_smob: /* enclosed */ |
1286 | goto badarg1; | |
1287 | case scm_tc7_bvect: | |
4260a7fc | 1288 | if (SCM_FALSEP (obj)) |
c209c88e | 1289 | SCM_BITVEC_CLR(v,pos); |
9a09deb1 | 1290 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c209c88e | 1291 | SCM_BITVEC_SET(v,pos); |
0f2d19dd | 1292 | else |
1bbd0b84 | 1293 | badobj:SCM_WTA (2,obj); |
0f2d19dd JB |
1294 | break; |
1295 | case scm_tc7_string: | |
7866a09b | 1296 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1297 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1298 | break; |
1299 | case scm_tc7_byvect: | |
7866a09b GB |
1300 | if (SCM_CHARP (obj)) |
1301 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1302 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1303 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1304 | break; |
1bbd0b84 | 1305 | case scm_tc7_uvect: |
f1267706 | 1306 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2ulong(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1307 | break; |
1bbd0b84 | 1308 | case scm_tc7_ivect: |
f1267706 | 1309 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2long(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1310 | break; |
0f2d19dd | 1311 | case scm_tc7_svect: |
0aa0871f | 1312 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
4260a7fc | 1313 | ((short *) SCM_CELL_WORD_1 (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1314 | break; |
5c11cc9d | 1315 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1316 | case scm_tc7_llvect: |
4260a7fc | 1317 | ((long_long *) SCM_CELL_WORD_1 (v))[pos] = scm_num2long_long (obj, (char *)SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1318 | break; |
1319 | #endif | |
1320 | ||
1321 | ||
0f2d19dd | 1322 | case scm_tc7_fvect: |
4260a7fc | 1323 | ((float *) SCM_CELL_WORD_1 (v))[pos] = (float) scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd | 1324 | break; |
0f2d19dd | 1325 | case scm_tc7_dvect: |
4260a7fc | 1326 | ((double *) SCM_CELL_WORD_1 (v))[pos] = scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd JB |
1327 | break; |
1328 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1329 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1330 | if (SCM_REALP (obj)) { | |
1331 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos] = SCM_REAL_VALUE (obj); | |
1332 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1] = 0.0; | |
1333 | } else { | |
1334 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos] = SCM_COMPLEX_REAL (obj); | |
1335 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
1336 | } | |
0f2d19dd | 1337 | break; |
0f2d19dd | 1338 | case scm_tc7_vector: |
95f5b0f5 | 1339 | case scm_tc7_wvect: |
0f2d19dd JB |
1340 | SCM_VELTS (v)[pos] = obj; |
1341 | break; | |
1342 | } | |
1343 | return SCM_UNSPECIFIED; | |
1344 | } | |
1bbd0b84 | 1345 | #undef FUNC_NAME |
0f2d19dd | 1346 | |
1d7bdb25 GH |
1347 | /* attempts to unroll an array into a one-dimensional array. |
1348 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1349 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1350 | wouldn't have contiguous elements. */ |
3b3b36dd | 1351 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1352 | (SCM ra, SCM strict), |
b380b885 MD |
1353 | "@deffnx primitive array-contents array strict\n" |
1354 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" | |
1355 | "without changing their order (last subscript changing fastest), then\n" | |
1356 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1357 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1358 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1359 | "@var{make-shared-array} may not be.\n\n" | |
1360 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1361 | "be returned only if its elements are stored internally contiguous in\n" | |
1362 | "memory.") | |
1bbd0b84 | 1363 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1364 | { |
1365 | SCM sra; | |
1366 | if (SCM_IMP (ra)) | |
f3667f52 | 1367 | return SCM_BOOL_F; |
5c11cc9d | 1368 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1369 | { |
1370 | default: | |
1371 | return SCM_BOOL_F; | |
1372 | case scm_tc7_vector: | |
95f5b0f5 | 1373 | case scm_tc7_wvect: |
0f2d19dd JB |
1374 | case scm_tc7_string: |
1375 | case scm_tc7_bvect: | |
1376 | case scm_tc7_byvect: | |
1377 | case scm_tc7_uvect: | |
1378 | case scm_tc7_ivect: | |
1379 | case scm_tc7_fvect: | |
1380 | case scm_tc7_dvect: | |
1381 | case scm_tc7_cvect: | |
1382 | case scm_tc7_svect: | |
5c11cc9d | 1383 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1384 | case scm_tc7_llvect: |
1385 | #endif | |
1386 | return ra; | |
1387 | case scm_tc7_smob: | |
1388 | { | |
1389 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1390 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1391 | return SCM_BOOL_F; | |
1392 | for (k = 0; k < ndim; k++) | |
1393 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1394 | if (!SCM_UNBNDP (strict)) | |
1395 | { | |
0f2d19dd JB |
1396 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1397 | return SCM_BOOL_F; | |
1398 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1399 | { | |
1400 | if (len != SCM_LENGTH (SCM_ARRAY_V (ra)) || | |
1401 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || | |
1402 | len % SCM_LONG_BIT) | |
1403 | return SCM_BOOL_F; | |
1404 | } | |
1405 | } | |
1406 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra))) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1407 | return SCM_ARRAY_V (ra); | |
1408 | sra = scm_make_ra (1); | |
1409 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1410 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1411 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1412 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1413 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1414 | return sra; | |
1415 | } | |
1416 | } | |
1417 | } | |
1bbd0b84 | 1418 | #undef FUNC_NAME |
0f2d19dd | 1419 | |
1cc91f1b | 1420 | |
0f2d19dd | 1421 | SCM |
6e8d25a6 | 1422 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1423 | { |
1424 | SCM ret; | |
1425 | long inc = 1; | |
1426 | scm_sizet k, len = 1; | |
1427 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1428 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1429 | k = SCM_ARRAY_NDIM (ra); | |
1430 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1431 | { | |
1432 | if (scm_tc7_bvect != SCM_TYP7 (ra)) | |
1433 | return ra; | |
1434 | if ((len == SCM_LENGTH (SCM_ARRAY_V (ra)) && | |
1435 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && | |
1436 | 0 == len % SCM_LONG_BIT)) | |
1437 | return ra; | |
1438 | } | |
1439 | ret = scm_make_ra (k); | |
1440 | SCM_ARRAY_BASE (ret) = 0; | |
1441 | while (k--) | |
1442 | { | |
1443 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1444 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1445 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1446 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1447 | } | |
1448 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1449 | if (copy) | |
1450 | scm_array_copy_x (ra, ret); | |
1451 | return ret; | |
1452 | } | |
1453 | ||
1454 | ||
1455 | ||
3b3b36dd | 1456 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1457 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1458 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1459 | "Attempts to read all elements of @var{ura}, in lexicographic order, as\n" | |
1460 | "binary objects from @var{port-or-fdes}.\n" | |
1461 | "If an end of file is encountered during\n" | |
1462 | "uniform-array-read! the objects up to that point only are put into @var{ura}\n" | |
1463 | "(starting at the beginning) and the remainder of the array is\n" | |
1464 | "unchanged.\n\n" | |
1465 | "The optional arguments @var{start} and @var{end} allow\n" | |
1466 | "a specified region of a vector (or linearized array) to be read,\n" | |
1467 | "leaving the remainder of the vector unchanged.\n\n" | |
1468 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1469 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1470 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1471 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1472 | { |
35de7ebe | 1473 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1474 | long sz, vlen, ans; |
1146b6cd GH |
1475 | long cstart = 0; |
1476 | long cend; | |
1477 | long offset = 0; | |
405aaef9 | 1478 | char *base; |
35de7ebe | 1479 | |
0f2d19dd | 1480 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1481 | if (SCM_UNBNDP (port_or_fd)) |
1482 | port_or_fd = scm_cur_inp; | |
1483 | else | |
1484 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1485 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1486 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df | 1487 | vlen = SCM_LENGTH (v); |
35de7ebe | 1488 | |
0f2d19dd | 1489 | loop: |
35de7ebe | 1490 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1491 | { |
1492 | default: | |
5d2d2ffc | 1493 | badarg1:SCM_WTA (SCM_ARG1,v); |
0f2d19dd JB |
1494 | case scm_tc7_smob: |
1495 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1496 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1497 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1498 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1499 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1500 | v = SCM_ARRAY_V (cra); | |
1501 | goto loop; | |
1502 | case scm_tc7_string: | |
1503 | case scm_tc7_byvect: | |
1504 | sz = sizeof (char); | |
1505 | break; | |
1506 | case scm_tc7_bvect: | |
3d8d56df | 1507 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1508 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1509 | case scm_tc7_uvect: |
1510 | case scm_tc7_ivect: | |
1511 | sz = sizeof (long); | |
1512 | break; | |
1513 | case scm_tc7_svect: | |
1514 | sz = sizeof (short); | |
1515 | break; | |
5c11cc9d | 1516 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1517 | case scm_tc7_llvect: |
1518 | sz = sizeof (long_long); | |
1519 | break; | |
1520 | #endif | |
0f2d19dd JB |
1521 | case scm_tc7_fvect: |
1522 | sz = sizeof (float); | |
1523 | break; | |
0f2d19dd JB |
1524 | case scm_tc7_dvect: |
1525 | sz = sizeof (double); | |
1526 | break; | |
1527 | case scm_tc7_cvect: | |
1528 | sz = 2 * sizeof (double); | |
1529 | break; | |
0f2d19dd | 1530 | } |
405aaef9 DH |
1531 | |
1532 | if (SCM_STRINGP (v)) | |
1533 | base = SCM_STRING_CHARS (v); | |
1534 | else | |
1535 | base = (char *) SCM_UVECTOR_BASE (v); | |
1536 | ||
1146b6cd GH |
1537 | cend = vlen; |
1538 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1539 | { |
1146b6cd | 1540 | offset = |
4638e087 | 1541 | SCM_NUM2LONG (3, start); |
35de7ebe | 1542 | |
1146b6cd | 1543 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1544 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1545 | |
1546 | if (!SCM_UNBNDP (end)) | |
1547 | { | |
1548 | long tend = | |
4638e087 | 1549 | SCM_NUM2LONG (4, end); |
3d8d56df | 1550 | |
1146b6cd | 1551 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1552 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1553 | cend = tend; |
1554 | } | |
0f2d19dd | 1555 | } |
35de7ebe | 1556 | |
3d8d56df GH |
1557 | if (SCM_NIMP (port_or_fd)) |
1558 | { | |
6c951427 GH |
1559 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1560 | int remaining = (cend - offset) * sz; | |
405aaef9 | 1561 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1562 | |
1563 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1564 | scm_flush (port_or_fd); |
6c951427 GH |
1565 | |
1566 | ans = cend - offset; | |
1567 | while (remaining > 0) | |
3d8d56df | 1568 | { |
6c951427 GH |
1569 | if (pt->read_pos < pt->read_end) |
1570 | { | |
1571 | int to_copy = min (pt->read_end - pt->read_pos, | |
1572 | remaining); | |
1573 | ||
1574 | memcpy (dest, pt->read_pos, to_copy); | |
1575 | pt->read_pos += to_copy; | |
1576 | remaining -= to_copy; | |
1577 | dest += to_copy; | |
1578 | } | |
1579 | else | |
1580 | { | |
affc96b5 | 1581 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1582 | { |
1583 | if (remaining % sz != 0) | |
1584 | { | |
5d2d2ffc | 1585 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1586 | } |
1587 | ans -= remaining / sz; | |
1588 | break; | |
1589 | } | |
6c951427 | 1590 | } |
3d8d56df | 1591 | } |
6c951427 GH |
1592 | |
1593 | if (pt->rw_random) | |
1594 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1595 | } |
1596 | else /* file descriptor. */ | |
1597 | { | |
1598 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1599 | base + (cstart + offset) * sz, |
1146b6cd | 1600 | (scm_sizet) (sz * (cend - offset)))); |
3d8d56df | 1601 | if (ans == -1) |
1bbd0b84 | 1602 | SCM_SYSERROR; |
3d8d56df | 1603 | } |
0f2d19dd JB |
1604 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1605 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1606 | |
fee7ef83 | 1607 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1608 | scm_array_copy_x (cra, ra); |
35de7ebe | 1609 | |
0f2d19dd JB |
1610 | return SCM_MAKINUM (ans); |
1611 | } | |
1bbd0b84 | 1612 | #undef FUNC_NAME |
0f2d19dd | 1613 | |
3b3b36dd | 1614 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1615 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1616 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
1617 | "Writes all elements of @var{ura} as binary objects to\n" | |
1618 | "@var{port-or-fdes}.\n\n" | |
1619 | "The optional arguments @var{start}\n" | |
1620 | "and @var{end} allow\n" | |
1621 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
1622 | "The number of objects actually written is returned. \n" | |
1623 | "@var{port-or-fdes} may be\n" | |
1624 | "omitted, in which case it defaults to the value returned by\n" | |
1625 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1626 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1627 | { |
3d8d56df | 1628 | long sz, vlen, ans; |
1146b6cd GH |
1629 | long offset = 0; |
1630 | long cstart = 0; | |
1631 | long cend; | |
405aaef9 | 1632 | char *base; |
3d8d56df | 1633 | |
78446828 MV |
1634 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1635 | ||
0f2d19dd | 1636 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1637 | if (SCM_UNBNDP (port_or_fd)) |
1638 | port_or_fd = scm_cur_outp; | |
1639 | else | |
1640 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1641 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1642 | port_or_fd, SCM_ARG2, FUNC_NAME); |
3d8d56df GH |
1643 | vlen = SCM_LENGTH (v); |
1644 | ||
0f2d19dd | 1645 | loop: |
3d8d56df | 1646 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1647 | { |
1648 | default: | |
4638e087 | 1649 | badarg1:SCM_WTA (1, v); |
0f2d19dd JB |
1650 | case scm_tc7_smob: |
1651 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1652 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1653 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1654 | vlen = SCM_ARRAY_DIMS (v)->inc |
1655 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1656 | v = SCM_ARRAY_V (v); |
1657 | goto loop; | |
0f2d19dd | 1658 | case scm_tc7_string: |
3d8d56df | 1659 | case scm_tc7_byvect: |
0f2d19dd JB |
1660 | sz = sizeof (char); |
1661 | break; | |
1662 | case scm_tc7_bvect: | |
3d8d56df | 1663 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1664 | cstart /= SCM_LONG_BIT; |
0f2d19dd JB |
1665 | case scm_tc7_uvect: |
1666 | case scm_tc7_ivect: | |
1667 | sz = sizeof (long); | |
1668 | break; | |
1669 | case scm_tc7_svect: | |
1670 | sz = sizeof (short); | |
1671 | break; | |
5c11cc9d | 1672 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1673 | case scm_tc7_llvect: |
1674 | sz = sizeof (long_long); | |
1675 | break; | |
1676 | #endif | |
0f2d19dd JB |
1677 | case scm_tc7_fvect: |
1678 | sz = sizeof (float); | |
1679 | break; | |
0f2d19dd JB |
1680 | case scm_tc7_dvect: |
1681 | sz = sizeof (double); | |
1682 | break; | |
1683 | case scm_tc7_cvect: | |
1684 | sz = 2 * sizeof (double); | |
1685 | break; | |
0f2d19dd | 1686 | } |
3d8d56df | 1687 | |
405aaef9 DH |
1688 | if (SCM_STRINGP (v)) |
1689 | base = SCM_STRING_CHARS (v); | |
1690 | else | |
1691 | base = (char *) SCM_UVECTOR_BASE (v); | |
1692 | ||
1146b6cd GH |
1693 | cend = vlen; |
1694 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1695 | { |
1146b6cd | 1696 | offset = |
4638e087 | 1697 | SCM_NUM2LONG (3, start); |
3d8d56df | 1698 | |
1146b6cd | 1699 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1700 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1701 | |
1702 | if (!SCM_UNBNDP (end)) | |
1703 | { | |
1704 | long tend = | |
4638e087 | 1705 | SCM_NUM2LONG (4, end); |
3d8d56df | 1706 | |
1146b6cd | 1707 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1708 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1709 | cend = tend; |
1710 | } | |
3d8d56df GH |
1711 | } |
1712 | ||
1713 | if (SCM_NIMP (port_or_fd)) | |
1714 | { | |
405aaef9 | 1715 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1716 | |
1717 | ans = cend - offset; | |
265e6a4d | 1718 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1719 | } |
1720 | else /* file descriptor. */ | |
1721 | { | |
1722 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1723 | base + (cstart + offset) * sz, |
1146b6cd | 1724 | (scm_sizet) (sz * (cend - offset)))); |
3d8d56df | 1725 | if (ans == -1) |
1bbd0b84 | 1726 | SCM_SYSERROR; |
3d8d56df | 1727 | } |
0f2d19dd JB |
1728 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1729 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1730 | |
0f2d19dd JB |
1731 | return SCM_MAKINUM (ans); |
1732 | } | |
1bbd0b84 | 1733 | #undef FUNC_NAME |
0f2d19dd JB |
1734 | |
1735 | ||
1736 | static char cnt_tab[16] = | |
1737 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1738 | ||
3b3b36dd | 1739 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
44e47754 DH |
1740 | (SCM b, SCM bitvector), |
1741 | "Returns the number of occurrences of the boolean B in BITVECTOR.") | |
1bbd0b84 | 1742 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1743 | { |
44e47754 DH |
1744 | SCM_VALIDATE_BOOL (1, b); |
1745 | SCM_ASSERT (!SCM_IMP (bitvector) && SCM_TYP7 (bitvector) == scm_tc7_bvect, | |
1746 | bitvector, 2, FUNC_NAME); | |
1747 | if (SCM_LENGTH (bitvector) == 0) { | |
1748 | return SCM_INUM0; | |
1749 | } else { | |
1750 | unsigned long int count = 0; | |
1751 | unsigned long int i = (SCM_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1752 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1753 | if (SCM_FALSEP (b)) { | |
1754 | w = ~w; | |
1755 | }; | |
1756 | w <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (bitvector) - 1) % SCM_LONG_BIT); | |
1757 | while (1) { | |
1758 | while (w) { | |
1759 | count += cnt_tab[w & 0x0f]; | |
1760 | w >>= 4; | |
1761 | } | |
1762 | if (i == 0) { | |
1763 | return SCM_MAKINUM (count); | |
1764 | } else { | |
1765 | --i; | |
1766 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1767 | if (SCM_FALSEP (b)) { | |
1768 | w = ~w; | |
0f2d19dd | 1769 | } |
44e47754 | 1770 | } |
0f2d19dd | 1771 | } |
44e47754 | 1772 | } |
0f2d19dd | 1773 | } |
1bbd0b84 | 1774 | #undef FUNC_NAME |
0f2d19dd JB |
1775 | |
1776 | ||
3b3b36dd | 1777 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1778 | (SCM item, SCM v, SCM k), |
b380b885 MD |
1779 | "Returns the minimum index of an occurrence of @var{bool} in @var{bv}\n" |
1780 | "which is at least @var{k}. If no @var{bool} occurs within the specified\n" | |
1781 | "range @code{#f} is returned.") | |
1bbd0b84 | 1782 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1783 | { |
1bbd0b84 | 1784 | long i, lenw, xbits, pos; |
0f2d19dd | 1785 | register unsigned long w; |
6b5a304f | 1786 | SCM_VALIDATE_NIM (2,v); |
3b3b36dd | 1787 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
685c0d71 | 1788 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_LENGTH (v)) && (pos >= 0)); |
0f2d19dd JB |
1789 | if (pos == SCM_LENGTH (v)) |
1790 | return SCM_BOOL_F; | |
5c11cc9d | 1791 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1792 | { |
1793 | default: | |
1bbd0b84 | 1794 | SCM_WTA (2,v); |
0f2d19dd JB |
1795 | case scm_tc7_bvect: |
1796 | if (0 == SCM_LENGTH (v)) | |
1797 | return SCM_MAKINUM (-1L); | |
1798 | lenw = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1799 | i = pos / SCM_LONG_BIT; | |
f1267706 | 1800 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1801 | if (SCM_FALSEP (item)) |
1802 | w = ~w; | |
1803 | xbits = (pos % SCM_LONG_BIT); | |
1804 | pos -= xbits; | |
1805 | w = ((w >> xbits) << xbits); | |
1806 | xbits = SCM_LONG_BIT - 1 - (SCM_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1807 | while (!0) | |
1808 | { | |
1809 | if (w && (i == lenw)) | |
1810 | w = ((w << xbits) >> xbits); | |
1811 | if (w) | |
1812 | while (w) | |
1813 | switch (w & 0x0f) | |
1814 | { | |
1815 | default: | |
1816 | return SCM_MAKINUM (pos); | |
1817 | case 2: | |
1818 | case 6: | |
1819 | case 10: | |
1820 | case 14: | |
1821 | return SCM_MAKINUM (pos + 1); | |
1822 | case 4: | |
1823 | case 12: | |
1824 | return SCM_MAKINUM (pos + 2); | |
1825 | case 8: | |
1826 | return SCM_MAKINUM (pos + 3); | |
1827 | case 0: | |
1828 | pos += 4; | |
1829 | w >>= 4; | |
1830 | } | |
1831 | if (++i > lenw) | |
1832 | break; | |
1833 | pos += SCM_LONG_BIT; | |
f1267706 | 1834 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1835 | if (SCM_FALSEP (item)) |
1836 | w = ~w; | |
1837 | } | |
1838 | return SCM_BOOL_F; | |
1839 | } | |
1840 | } | |
1bbd0b84 | 1841 | #undef FUNC_NAME |
0f2d19dd JB |
1842 | |
1843 | ||
3b3b36dd | 1844 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
1bbd0b84 | 1845 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1846 | "If uve is a bit-vector @var{bv} and uve must be of the same length. If\n" |
1847 | "@var{bool} is @code{#t}, uve is OR'ed into @var{bv}; If @var{bool} is @code{#f}, the\n" | |
1848 | "inversion of uve is AND'ed into @var{bv}.\n\n" | |
1849 | "If uve is a unsigned integer vector all the elements of uve must be\n" | |
1850 | "between 0 and the @code{LENGTH} of @var{bv}. The bits of @var{bv}\n" | |
1851 | "corresponding to the indexes in uve are set to @var{bool}.\n\n" | |
1852 | "The return value is unspecified.") | |
1bbd0b84 | 1853 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1854 | { |
1855 | register long i, k, vlen; | |
1856 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1857 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1858 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1859 | { |
1860 | default: | |
1bbd0b84 | 1861 | badarg2:SCM_WTA (2,kv); |
0f2d19dd | 1862 | case scm_tc7_uvect: |
5c11cc9d | 1863 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1864 | { |
1865 | default: | |
c209c88e | 1866 | badarg1: SCM_WTA (1,v); |
0f2d19dd JB |
1867 | case scm_tc7_bvect: |
1868 | vlen = SCM_LENGTH (v); | |
4260a7fc | 1869 | if (SCM_FALSEP (obj)) |
0f2d19dd JB |
1870 | for (i = SCM_LENGTH (kv); i;) |
1871 | { | |
f1267706 | 1872 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
685c0d71 DH |
1873 | if (k >= vlen) |
1874 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
c209c88e | 1875 | SCM_BITVEC_CLR(v,k); |
0f2d19dd | 1876 | } |
9a09deb1 | 1877 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
0f2d19dd JB |
1878 | for (i = SCM_LENGTH (kv); i;) |
1879 | { | |
f1267706 | 1880 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
685c0d71 DH |
1881 | if (k >= vlen) |
1882 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
c209c88e | 1883 | SCM_BITVEC_SET(v,k); |
0f2d19dd JB |
1884 | } |
1885 | else | |
1bbd0b84 | 1886 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1887 | } |
1888 | break; | |
1889 | case scm_tc7_bvect: | |
1890 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
4260a7fc | 1891 | if (SCM_FALSEP (obj)) |
0f2d19dd | 1892 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
f1267706 | 1893 | SCM_UNPACK (SCM_VELTS (v)[k]) &= ~ SCM_UNPACK(SCM_VELTS (kv)[k]); |
9a09deb1 | 1894 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
0f2d19dd | 1895 | for (k = (SCM_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
f1267706 | 1896 | SCM_UNPACK (SCM_VELTS (v)[k]) |= SCM_UNPACK (SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1897 | else |
1898 | goto badarg3; | |
1899 | break; | |
1900 | } | |
1901 | return SCM_UNSPECIFIED; | |
1902 | } | |
1bbd0b84 | 1903 | #undef FUNC_NAME |
0f2d19dd JB |
1904 | |
1905 | ||
3b3b36dd | 1906 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1907 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1908 | "Returns\n" |
1909 | "@example\n" | |
1910 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" | |
1911 | "@end example\n" | |
1912 | "@var{bv} is not modified.") | |
1bbd0b84 | 1913 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1914 | { |
1915 | register long i, vlen, count = 0; | |
1916 | register unsigned long k; | |
41b0806d | 1917 | int fObj = 0; |
c209c88e | 1918 | |
0f2d19dd JB |
1919 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1920 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); | |
5c11cc9d | 1921 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1922 | { |
1923 | default: | |
c209c88e GB |
1924 | badarg2: |
1925 | SCM_WTA (2,kv); | |
0f2d19dd JB |
1926 | case scm_tc7_uvect: |
1927 | switch SCM_TYP7 | |
1928 | (v) | |
1929 | { | |
1930 | default: | |
c209c88e GB |
1931 | badarg1: |
1932 | SCM_WTA (1,v); | |
0f2d19dd JB |
1933 | case scm_tc7_bvect: |
1934 | vlen = SCM_LENGTH (v); | |
4260a7fc | 1935 | if (SCM_FALSEP (obj)) |
0f2d19dd JB |
1936 | for (i = SCM_LENGTH (kv); i;) |
1937 | { | |
f1267706 | 1938 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
685c0d71 DH |
1939 | if (k >= vlen) |
1940 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
c209c88e | 1941 | if (!SCM_BITVEC_REF(v,k)) |
0f2d19dd JB |
1942 | count++; |
1943 | } | |
9a09deb1 | 1944 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
0f2d19dd JB |
1945 | for (i = SCM_LENGTH (kv); i;) |
1946 | { | |
f1267706 | 1947 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
685c0d71 DH |
1948 | if (k >= vlen) |
1949 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
c209c88e | 1950 | if (SCM_BITVEC_REF (v,k)) |
0f2d19dd JB |
1951 | count++; |
1952 | } | |
1953 | else | |
1bbd0b84 | 1954 | badarg3:SCM_WTA (3,obj); |
0f2d19dd JB |
1955 | } |
1956 | break; | |
1957 | case scm_tc7_bvect: | |
1958 | SCM_ASRTGO (SCM_TYP7 (v) == scm_tc7_bvect && SCM_LENGTH (v) == SCM_LENGTH (kv), badarg1); | |
1959 | if (0 == SCM_LENGTH (v)) | |
1960 | return SCM_INUM0; | |
4260a7fc | 1961 | SCM_ASRTGO (SCM_BOOLP (obj), badarg3); |
9a09deb1 | 1962 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
0f2d19dd | 1963 | i = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; |
f1267706 | 1964 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd | 1965 | k <<= SCM_LONG_BIT - 1 - ((SCM_LENGTH (v) - 1) % SCM_LONG_BIT); |
c209c88e | 1966 | while (1) |
0f2d19dd JB |
1967 | { |
1968 | for (; k; k >>= 4) | |
1969 | count += cnt_tab[k & 0x0f]; | |
1970 | if (0 == i--) | |
1971 | return SCM_MAKINUM (count); | |
c209c88e GB |
1972 | |
1973 | /* urg. repetitive (see above.) */ | |
f1267706 | 1974 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1975 | } |
1976 | } | |
1977 | return SCM_MAKINUM (count); | |
1978 | } | |
1bbd0b84 | 1979 | #undef FUNC_NAME |
0f2d19dd JB |
1980 | |
1981 | ||
3b3b36dd | 1982 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1983 | (SCM v), |
b380b885 | 1984 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 1985 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd JB |
1986 | { |
1987 | register long k; | |
1988 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
1989 | k = SCM_LENGTH (v); | |
1990 | switch SCM_TYP7 | |
1991 | (v) | |
1992 | { | |
1993 | case scm_tc7_bvect: | |
1994 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
f1267706 | 1995 | SCM_UNPACK (SCM_VELTS (v)[k]) = ~SCM_UNPACK(SCM_VELTS (v)[k]); |
0f2d19dd JB |
1996 | break; |
1997 | default: | |
1bbd0b84 | 1998 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
1999 | } |
2000 | return SCM_UNSPECIFIED; | |
2001 | } | |
1bbd0b84 | 2002 | #undef FUNC_NAME |
0f2d19dd JB |
2003 | |
2004 | ||
0f2d19dd | 2005 | SCM |
1bbd0b84 | 2006 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2007 | { |
2008 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
2009 | long *data = (long *) SCM_VELTS (v); | |
2010 | register unsigned long mask; | |
2011 | register long k; | |
2012 | register long j; | |
2013 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
2014 | { | |
2015 | data[k] = 0L; | |
2016 | j = len - k * SCM_LONG_BIT; | |
2017 | if (j > SCM_LONG_BIT) | |
2018 | j = SCM_LONG_BIT; | |
2019 | for (mask = 1L; j--; mask <<= 1) | |
2020 | switch (*str++) | |
2021 | { | |
2022 | case '0': | |
2023 | break; | |
2024 | case '1': | |
2025 | data[k] |= mask; | |
2026 | break; | |
2027 | default: | |
2028 | return SCM_BOOL_F; | |
2029 | } | |
2030 | } | |
2031 | return v; | |
2032 | } | |
2033 | ||
2034 | ||
1cc91f1b | 2035 | |
0f2d19dd | 2036 | static SCM |
1bbd0b84 | 2037 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
2038 | { |
2039 | register SCM res = SCM_EOL; | |
2040 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2041 | register scm_sizet i; | |
2042 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
2043 | return SCM_EOL; | |
2044 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2045 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2046 | { | |
2047 | do | |
2048 | { | |
2049 | i -= inc; | |
2050 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2051 | } | |
2052 | while (i != base); | |
2053 | } | |
2054 | else | |
2055 | do | |
2056 | { | |
2057 | i -= inc; | |
2058 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2059 | } | |
2060 | while (i != base); | |
2061 | return res; | |
2062 | } | |
2063 | ||
2064 | ||
3b3b36dd | 2065 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2066 | (SCM v), |
b380b885 | 2067 | "Returns a list consisting of all the elements, in order, of @var{array}.") |
1bbd0b84 | 2068 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2069 | { |
2070 | SCM res = SCM_EOL; | |
2071 | register long k; | |
2072 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
2073 | switch SCM_TYP7 | |
2074 | (v) | |
2075 | { | |
2076 | default: | |
1bbd0b84 | 2077 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2078 | case scm_tc7_smob: |
2079 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2080 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2081 | case scm_tc7_vector: | |
95f5b0f5 | 2082 | case scm_tc7_wvect: |
0f2d19dd JB |
2083 | return scm_vector_to_list (v); |
2084 | case scm_tc7_string: | |
2085 | return scm_string_to_list (v); | |
2086 | case scm_tc7_bvect: | |
2087 | { | |
2088 | long *data = (long *) SCM_VELTS (v); | |
2089 | register unsigned long mask; | |
2090 | for (k = (SCM_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
cdbadcac | 2091 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2092 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd | 2093 | for (mask = 1L << ((SCM_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2094 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2095 | return res; |
2096 | } | |
0f2d19dd JB |
2097 | case scm_tc7_uvect: { |
2098 | long *data = (long *)SCM_VELTS(v); | |
2099 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2100 | res = scm_cons(scm_ulong2num(data[k]), res); | |
2101 | return res; | |
2102 | } | |
2103 | case scm_tc7_ivect: { | |
2104 | long *data = (long *)SCM_VELTS(v); | |
2105 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2106 | res = scm_cons(scm_long2num(data[k]), res); | |
2107 | return res; | |
2108 | } | |
0f2d19dd JB |
2109 | case scm_tc7_svect: { |
2110 | short *data; | |
2111 | data = (short *)SCM_VELTS(v); | |
2112 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2113 | res = scm_cons(SCM_MAKINUM (data[k]), res); | |
2114 | return res; | |
2115 | } | |
5c11cc9d | 2116 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2117 | case scm_tc7_llvect: { |
2118 | long_long *data; | |
2119 | data = (long_long *)SCM_VELTS(v); | |
2120 | for (k = SCM_LENGTH(v) - 1; k >= 0; k--) | |
2121 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2122 | return res; | |
2123 | } | |
2124 | #endif | |
2125 | ||
2126 | ||
0f2d19dd JB |
2127 | case scm_tc7_fvect: |
2128 | { | |
2129 | float *data = (float *) SCM_VELTS (v); | |
2130 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
bc86da5d | 2131 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2132 | return res; |
2133 | } | |
0f2d19dd JB |
2134 | case scm_tc7_dvect: |
2135 | { | |
2136 | double *data = (double *) SCM_VELTS (v); | |
2137 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
f8de44c1 | 2138 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2139 | return res; |
2140 | } | |
2141 | case scm_tc7_cvect: | |
2142 | { | |
2143 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
2144 | for (k = SCM_LENGTH (v) - 1; k >= 0; k--) | |
f8de44c1 | 2145 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2146 | return res; |
2147 | } | |
0f2d19dd JB |
2148 | } |
2149 | } | |
1bbd0b84 | 2150 | #undef FUNC_NAME |
0f2d19dd JB |
2151 | |
2152 | ||
20a54673 | 2153 | static char s_bad_ralst[] = "Bad scm_array contents list"; |
1cc91f1b | 2154 | |
1bbd0b84 | 2155 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2156 | |
3b3b36dd | 2157 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2158 | (SCM ndim, SCM prot, SCM lst), |
b380b885 MD |
2159 | "@deffnx procedure list->uniform-vector prot lst\n" |
2160 | "Returns a uniform array of the type indicated by prototype @var{prot}\n" | |
2161 | "with elements the same as those of @var{lst}. Elements must be of the\n" | |
2162 | "appropriate type, no coercions are done.") | |
1bbd0b84 | 2163 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2164 | { |
2165 | SCM shp = SCM_EOL; | |
2166 | SCM row = lst; | |
2167 | SCM ra; | |
2168 | scm_sizet k; | |
2169 | long n; | |
3b3b36dd | 2170 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2171 | while (k--) |
2172 | { | |
2173 | n = scm_ilength (row); | |
1bbd0b84 | 2174 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2175 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2176 | if (SCM_NIMP (row)) | |
2177 | row = SCM_CAR (row); | |
2178 | } | |
d12feca3 GH |
2179 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2180 | SCM_UNDEFINED); | |
0f2d19dd JB |
2181 | if (SCM_NULLP (shp)) |
2182 | ||
2183 | { | |
2184 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2185 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2186 | return ra; | |
2187 | } | |
2188 | if (!SCM_ARRAYP (ra)) | |
2189 | { | |
2190 | for (k = 0; k < SCM_LENGTH (ra); k++, lst = SCM_CDR (lst)) | |
2191 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); | |
2192 | return ra; | |
2193 | } | |
2194 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2195 | return ra; | |
2196 | else | |
1bbd0b84 | 2197 | badlst:scm_wta (lst, s_bad_ralst, FUNC_NAME); |
0f2d19dd JB |
2198 | return SCM_BOOL_F; |
2199 | } | |
1bbd0b84 | 2200 | #undef FUNC_NAME |
0f2d19dd | 2201 | |
0f2d19dd | 2202 | static int |
1bbd0b84 | 2203 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2204 | { |
2205 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2206 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2207 | int ok = 1; | |
2208 | if (n <= 0) | |
4260a7fc | 2209 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2210 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2211 | { | |
2212 | while (n--) | |
2213 | { | |
2214 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2215 | return 0; | |
2216 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2217 | base += inc; | |
2218 | lst = SCM_CDR (lst); | |
2219 | } | |
2220 | if (SCM_NNULLP (lst)) | |
2221 | return 0; | |
2222 | } | |
2223 | else | |
2224 | { | |
2225 | while (n--) | |
2226 | { | |
2227 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2228 | return 0; | |
baa702c8 | 2229 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); |
0f2d19dd JB |
2230 | base += inc; |
2231 | lst = SCM_CDR (lst); | |
2232 | } | |
2233 | if (SCM_NNULLP (lst)) | |
fee7ef83 | 2234 | return 0; |
0f2d19dd JB |
2235 | } |
2236 | return ok; | |
2237 | } | |
2238 | ||
1cc91f1b | 2239 | |
0f2d19dd | 2240 | static void |
1bbd0b84 | 2241 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2242 | { |
2243 | long inc = 1; | |
2244 | long n = SCM_LENGTH (ra); | |
2245 | int enclosed = 0; | |
2246 | tail: | |
5c11cc9d | 2247 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2248 | { |
2249 | case scm_tc7_smob: | |
2250 | if (enclosed++) | |
2251 | { | |
2252 | SCM_ARRAY_BASE (ra) = j; | |
2253 | if (n-- > 0) | |
9882ea19 | 2254 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2255 | for (j += inc; n-- > 0; j += inc) |
2256 | { | |
b7f3516f | 2257 | scm_putc (' ', port); |
0f2d19dd | 2258 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2259 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2260 | } |
2261 | break; | |
2262 | } | |
2263 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2264 | { | |
2265 | long i; | |
2266 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2267 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2268 | { | |
b7f3516f | 2269 | scm_putc ('(', port); |
9882ea19 | 2270 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2271 | scm_puts (") ", port); |
0f2d19dd JB |
2272 | j += inc; |
2273 | } | |
2274 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2275 | { /* could be zero size. */ | |
b7f3516f | 2276 | scm_putc ('(', port); |
9882ea19 | 2277 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2278 | scm_putc (')', port); |
0f2d19dd JB |
2279 | } |
2280 | break; | |
2281 | } | |
2282 | if SCM_ARRAY_NDIM | |
2283 | (ra) | |
2284 | { /* Could be zero-dimensional */ | |
2285 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2286 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2287 | } | |
2288 | else | |
2289 | n = 1; | |
2290 | ra = SCM_ARRAY_V (ra); | |
2291 | goto tail; | |
2292 | default: | |
5c11cc9d | 2293 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2294 | if (n-- > 0) |
9882ea19 | 2295 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2296 | for (j += inc; n-- > 0; j += inc) |
2297 | { | |
b7f3516f | 2298 | scm_putc (' ', port); |
9882ea19 | 2299 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2300 | } |
2301 | break; | |
2302 | case scm_tc7_string: | |
2303 | if (n-- > 0) | |
322ac0c5 | 2304 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2305 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2306 | for (j += inc; n-- > 0; j += inc) |
2307 | { | |
b7f3516f | 2308 | scm_putc (' ', port); |
322ac0c5 | 2309 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2310 | } |
2311 | else | |
2312 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2313 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2314 | break; |
2315 | case scm_tc7_byvect: | |
2316 | if (n-- > 0) | |
4260a7fc | 2317 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2318 | for (j += inc; n-- > 0; j += inc) |
2319 | { | |
b7f3516f | 2320 | scm_putc (' ', port); |
4260a7fc | 2321 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2322 | } |
2323 | break; | |
2324 | ||
2325 | case scm_tc7_uvect: | |
5c11cc9d GH |
2326 | { |
2327 | char str[11]; | |
2328 | ||
2329 | if (n-- > 0) | |
2330 | { | |
2331 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2332 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2333 | scm_puts (str, port); |
2334 | } | |
2335 | for (j += inc; n-- > 0; j += inc) | |
2336 | { | |
2337 | scm_putc (' ', port); | |
fee7ef83 | 2338 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2339 | scm_puts (str, port); |
2340 | } | |
2341 | } | |
0f2d19dd JB |
2342 | case scm_tc7_ivect: |
2343 | if (n-- > 0) | |
fee7ef83 | 2344 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2345 | for (j += inc; n-- > 0; j += inc) |
2346 | { | |
b7f3516f | 2347 | scm_putc (' ', port); |
fee7ef83 | 2348 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2349 | } |
2350 | break; | |
2351 | ||
2352 | case scm_tc7_svect: | |
2353 | if (n-- > 0) | |
4260a7fc | 2354 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2355 | for (j += inc; n-- > 0; j += inc) |
2356 | { | |
b7f3516f | 2357 | scm_putc (' ', port); |
4260a7fc | 2358 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2359 | } |
2360 | break; | |
2361 | ||
0f2d19dd JB |
2362 | case scm_tc7_fvect: |
2363 | if (n-- > 0) | |
2364 | { | |
bc86da5d MD |
2365 | SCM z = scm_make_real (1.0); |
2366 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2367 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2368 | for (j += inc; n-- > 0; j += inc) |
2369 | { | |
b7f3516f | 2370 | scm_putc (' ', port); |
bc86da5d MD |
2371 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2372 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2373 | } |
2374 | } | |
2375 | break; | |
0f2d19dd JB |
2376 | case scm_tc7_dvect: |
2377 | if (n-- > 0) | |
2378 | { | |
bc86da5d MD |
2379 | SCM z = scm_make_real (1.0 / 3.0); |
2380 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2381 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2382 | for (j += inc; n-- > 0; j += inc) |
2383 | { | |
b7f3516f | 2384 | scm_putc (' ', port); |
bc86da5d MD |
2385 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2386 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2387 | } |
2388 | } | |
2389 | break; | |
2390 | case scm_tc7_cvect: | |
2391 | if (n-- > 0) | |
2392 | { | |
bc86da5d MD |
2393 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2394 | SCM_REAL_VALUE (z) = | |
2395 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2396 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2397 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2398 | port, pstate); | |
0f2d19dd JB |
2399 | for (j += inc; n-- > 0; j += inc) |
2400 | { | |
b7f3516f | 2401 | scm_putc (' ', port); |
bc86da5d MD |
2402 | SCM_REAL_VALUE (z) |
2403 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2404 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2405 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2406 | port, pstate); | |
0f2d19dd JB |
2407 | } |
2408 | } | |
2409 | break; | |
0f2d19dd JB |
2410 | } |
2411 | } | |
2412 | ||
2413 | ||
1cc91f1b | 2414 | |
0f2d19dd | 2415 | int |
1bbd0b84 | 2416 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2417 | { |
2418 | SCM v = exp; | |
2419 | scm_sizet base = 0; | |
b7f3516f | 2420 | scm_putc ('#', port); |
0f2d19dd | 2421 | tail: |
5c11cc9d | 2422 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2423 | { |
2424 | case scm_tc7_smob: | |
2425 | { | |
2426 | long ndim = SCM_ARRAY_NDIM (v); | |
2427 | base = SCM_ARRAY_BASE (v); | |
2428 | v = SCM_ARRAY_V (v); | |
2429 | if (SCM_ARRAYP (v)) | |
2430 | ||
2431 | { | |
b7f3516f | 2432 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2433 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2434 | scm_putc ('>', port); |
0f2d19dd JB |
2435 | return 1; |
2436 | } | |
2437 | else | |
2438 | { | |
2439 | scm_intprint (ndim, 10, port); | |
2440 | goto tail; | |
2441 | } | |
2442 | } | |
2443 | case scm_tc7_bvect: | |
fee7ef83 | 2444 | if (SCM_EQ_P (exp, v)) |
0f2d19dd JB |
2445 | { /* a uve, not an scm_array */ |
2446 | register long i, j, w; | |
b7f3516f | 2447 | scm_putc ('*', port); |
0f2d19dd JB |
2448 | for (i = 0; i < (SCM_LENGTH (exp)) / SCM_LONG_BIT; i++) |
2449 | { | |
f1267706 | 2450 | scm_bits_t w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
0f2d19dd JB |
2451 | for (j = SCM_LONG_BIT; j; j--) |
2452 | { | |
b7f3516f | 2453 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2454 | w >>= 1; |
2455 | } | |
2456 | } | |
2457 | j = SCM_LENGTH (exp) % SCM_LONG_BIT; | |
2458 | if (j) | |
2459 | { | |
f1267706 | 2460 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2461 | for (; j; j--) |
2462 | { | |
b7f3516f | 2463 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2464 | w >>= 1; |
2465 | } | |
2466 | } | |
2467 | return 1; | |
2468 | } | |
2469 | else | |
b7f3516f | 2470 | scm_putc ('b', port); |
0f2d19dd JB |
2471 | break; |
2472 | case scm_tc7_string: | |
b7f3516f | 2473 | scm_putc ('a', port); |
0f2d19dd JB |
2474 | break; |
2475 | case scm_tc7_byvect: | |
05c33d09 | 2476 | scm_putc ('y', port); |
0f2d19dd JB |
2477 | break; |
2478 | case scm_tc7_uvect: | |
b7f3516f | 2479 | scm_putc ('u', port); |
0f2d19dd JB |
2480 | break; |
2481 | case scm_tc7_ivect: | |
b7f3516f | 2482 | scm_putc ('e', port); |
0f2d19dd JB |
2483 | break; |
2484 | case scm_tc7_svect: | |
05c33d09 | 2485 | scm_putc ('h', port); |
0f2d19dd | 2486 | break; |
5c11cc9d | 2487 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2488 | case scm_tc7_llvect: |
5c11cc9d | 2489 | scm_putc ('l', port); |
0f2d19dd JB |
2490 | break; |
2491 | #endif | |
0f2d19dd | 2492 | case scm_tc7_fvect: |
b7f3516f | 2493 | scm_putc ('s', port); |
0f2d19dd | 2494 | break; |
0f2d19dd | 2495 | case scm_tc7_dvect: |
b7f3516f | 2496 | scm_putc ('i', port); |
0f2d19dd JB |
2497 | break; |
2498 | case scm_tc7_cvect: | |
b7f3516f | 2499 | scm_putc ('c', port); |
0f2d19dd | 2500 | break; |
0f2d19dd | 2501 | } |
b7f3516f | 2502 | scm_putc ('(', port); |
9882ea19 | 2503 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2504 | scm_putc (')', port); |
0f2d19dd JB |
2505 | return 1; |
2506 | } | |
2507 | ||
3b3b36dd | 2508 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2509 | (SCM ra), |
b380b885 MD |
2510 | "Returns an object that would produce an array of the same type as\n" |
2511 | "@var{array}, if used as the @var{prototype} for\n" | |
2512 | "@code{make-uniform-array}.") | |
1bbd0b84 | 2513 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2514 | { |
2515 | int enclosed = 0; | |
2516 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2517 | loop: | |
2518 | switch SCM_TYP7 | |
2519 | (ra) | |
2520 | { | |
2521 | default: | |
1bbd0b84 | 2522 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
2523 | case scm_tc7_smob: |
2524 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2525 | if (enclosed++) | |
2526 | return SCM_UNSPECIFIED; | |
2527 | ra = SCM_ARRAY_V (ra); | |
2528 | goto loop; | |
2529 | case scm_tc7_vector: | |
95f5b0f5 | 2530 | case scm_tc7_wvect: |
0f2d19dd JB |
2531 | return SCM_EOL; |
2532 | case scm_tc7_bvect: | |
2533 | return SCM_BOOL_T; | |
2534 | case scm_tc7_string: | |
7866a09b | 2535 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2536 | case scm_tc7_byvect: |
7866a09b | 2537 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2538 | case scm_tc7_uvect: |
2539 | return SCM_MAKINUM (1L); | |
2540 | case scm_tc7_ivect: | |
2541 | return SCM_MAKINUM (-1L); | |
2542 | case scm_tc7_svect: | |
2543 | return SCM_CDR (scm_intern ("s", 1)); | |
5c11cc9d | 2544 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2545 | case scm_tc7_llvect: |
2546 | return SCM_CDR (scm_intern ("l", 1)); | |
2547 | #endif | |
0f2d19dd | 2548 | case scm_tc7_fvect: |
bc86da5d | 2549 | return scm_make_real (1.0); |
0f2d19dd | 2550 | case scm_tc7_dvect: |
bc86da5d | 2551 | return scm_make_real (1.0 / 3.0); |
0f2d19dd | 2552 | case scm_tc7_cvect: |
bc86da5d | 2553 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2554 | } |
2555 | } | |
1bbd0b84 | 2556 | #undef FUNC_NAME |
0f2d19dd | 2557 | |
1cc91f1b | 2558 | |
0f2d19dd | 2559 | static SCM |
1bbd0b84 | 2560 | markra (SCM ptr) |
0f2d19dd | 2561 | { |
0f2d19dd JB |
2562 | return SCM_ARRAY_V (ptr); |
2563 | } | |
2564 | ||
1cc91f1b | 2565 | |
0f2d19dd | 2566 | static scm_sizet |
1bbd0b84 | 2567 | freera (SCM ptr) |
0f2d19dd | 2568 | { |
405aaef9 | 2569 | scm_must_free (SCM_ARRAY_MEM (ptr)); |
0f2d19dd JB |
2570 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); |
2571 | } | |
2572 | ||
0f2d19dd JB |
2573 | void |
2574 | scm_init_unif () | |
0f2d19dd | 2575 | { |
23a62151 MD |
2576 | scm_tc16_array = scm_make_smob_type_mfpe ("array", 0, |
2577 | markra, | |
2578 | freera, | |
2579 | scm_raprin1, | |
2580 | scm_array_equal_p); | |
0f2d19dd | 2581 | scm_add_feature ("array"); |
a0599745 | 2582 | #include "libguile/unif.x" |
0f2d19dd | 2583 | } |
89e00824 ML |
2584 | |
2585 | /* | |
2586 | Local Variables: | |
2587 | c-file-style: "gnu" | |
2588 | End: | |
2589 | */ |