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b3fcac34 | 1 | /* Copyright (C) 1995,1996,1997,1998,2000,2001 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> | |
e6e2e95a | 55 | #include <errno.h> |
783e7774 | 56 | #include <string.h> |
e6e2e95a | 57 | |
a0599745 MD |
58 | #include "libguile/_scm.h" |
59 | #include "libguile/chars.h" | |
60 | #include "libguile/eval.h" | |
61 | #include "libguile/fports.h" | |
62 | #include "libguile/smob.h" | |
63 | #include "libguile/strop.h" | |
64 | #include "libguile/feature.h" | |
65 | #include "libguile/root.h" | |
66 | #include "libguile/strings.h" | |
67 | #include "libguile/vectors.h" | |
68 | ||
69 | #include "libguile/validate.h" | |
70 | #include "libguile/unif.h" | |
71 | #include "libguile/ramap.h" | |
0f2d19dd | 72 | |
3d8d56df GH |
73 | #ifdef HAVE_UNISTD_H |
74 | #include <unistd.h> | |
75 | #endif | |
76 | ||
0f2d19dd JB |
77 | \f |
78 | /* The set of uniform scm_vector types is: | |
79 | * Vector of: Called: | |
80 | * unsigned char string | |
81 | * char byvect | |
82 | * boolean bvect | |
a515d287 MD |
83 | * signed long ivect |
84 | * unsigned long uvect | |
0f2d19dd JB |
85 | * float fvect |
86 | * double dvect | |
87 | * complex double cvect | |
88 | * short svect | |
5c11cc9d | 89 | * long long llvect |
0f2d19dd JB |
90 | */ |
91 | ||
e841c3e0 | 92 | scm_bits_t scm_tc16_array; |
0f2d19dd | 93 | |
afe5177e GH |
94 | /* return the size of an element in a uniform array or 0 if type not |
95 | found. */ | |
96 | scm_sizet | |
97 | scm_uniform_element_size (SCM obj) | |
0f2d19dd | 98 | { |
afe5177e | 99 | scm_sizet result; |
0f2d19dd | 100 | |
afe5177e | 101 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 102 | { |
0f2d19dd | 103 | case scm_tc7_bvect: |
0f2d19dd JB |
104 | case scm_tc7_uvect: |
105 | case scm_tc7_ivect: | |
afe5177e | 106 | result = sizeof (long); |
0f2d19dd | 107 | break; |
afe5177e | 108 | |
0f2d19dd | 109 | case scm_tc7_byvect: |
afe5177e | 110 | result = sizeof (char); |
0f2d19dd JB |
111 | break; |
112 | ||
113 | case scm_tc7_svect: | |
afe5177e | 114 | result = sizeof (short); |
0f2d19dd | 115 | break; |
afe5177e | 116 | |
5c11cc9d | 117 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 118 | case scm_tc7_llvect: |
afe5177e | 119 | result = sizeof (long_long); |
0f2d19dd JB |
120 | break; |
121 | #endif | |
122 | ||
0f2d19dd | 123 | case scm_tc7_fvect: |
afe5177e | 124 | result = sizeof (float); |
0f2d19dd | 125 | break; |
afe5177e | 126 | |
0f2d19dd | 127 | case scm_tc7_dvect: |
afe5177e | 128 | result = sizeof (double); |
0f2d19dd | 129 | break; |
afe5177e | 130 | |
0f2d19dd | 131 | case scm_tc7_cvect: |
afe5177e | 132 | result = 2 * sizeof (double); |
0f2d19dd | 133 | break; |
afe5177e GH |
134 | |
135 | default: | |
136 | result = 0; | |
0f2d19dd | 137 | } |
afe5177e | 138 | return result; |
0f2d19dd JB |
139 | } |
140 | ||
bc86da5d MD |
141 | /* Silly function used not to modify the semantics of the silly |
142 | * prototype system in order to be backward compatible. | |
143 | */ | |
144 | static int | |
145 | singp (SCM obj) | |
0f2d19dd | 146 | { |
bc86da5d MD |
147 | if (!SCM_SLOPPY_REALP (obj)) |
148 | return 0; | |
149 | else | |
150 | { | |
151 | double x = SCM_REAL_VALUE (obj); | |
152 | float fx = x; | |
153 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
154 | } | |
0f2d19dd | 155 | } |
1cc91f1b | 156 | |
0f2d19dd | 157 | SCM |
1bbd0b84 | 158 | scm_make_uve (long k, SCM prot) |
a3a32939 | 159 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd JB |
160 | { |
161 | SCM v; | |
162 | long i, type; | |
a3a32939 | 163 | |
9a09deb1 | 164 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd | 165 | { |
93778877 DH |
166 | SCM_NEWCELL (v); |
167 | if (k > 0) | |
168 | { | |
5b9eb8ae | 169 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_BITVECTOR_MAX_LENGTH); |
93778877 | 170 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); |
6a0476fd | 171 | SCM_SET_BITVECTOR_BASE (v, (char *) scm_must_malloc (i, "vector")); |
93778877 DH |
172 | SCM_SET_BITVECTOR_LENGTH (v, k); |
173 | } | |
174 | else | |
175 | { | |
6a0476fd | 176 | SCM_SET_BITVECTOR_BASE (v, 0); |
93778877 DH |
177 | SCM_SET_BITVECTOR_LENGTH (v, 0); |
178 | } | |
179 | return v; | |
0f2d19dd | 180 | } |
4260a7fc | 181 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
0f2d19dd JB |
182 | { |
183 | i = sizeof (char) * k; | |
184 | type = scm_tc7_byvect; | |
5b9eb8ae | 185 | } |
7866a09b | 186 | else if (SCM_CHARP (prot)) |
0f2d19dd JB |
187 | { |
188 | i = sizeof (char) * k; | |
be54b15d | 189 | return scm_allocate_string (i); |
0f2d19dd JB |
190 | } |
191 | else if (SCM_INUMP (prot)) | |
192 | { | |
193 | i = sizeof (long) * k; | |
194 | if (SCM_INUM (prot) > 0) | |
195 | type = scm_tc7_uvect; | |
196 | else | |
197 | type = scm_tc7_ivect; | |
198 | } | |
74014c46 | 199 | else if (SCM_SYMBOLP (prot) && (1 == SCM_SYMBOL_LENGTH (prot))) |
0f2d19dd JB |
200 | { |
201 | char s; | |
202 | ||
86c991c2 | 203 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd JB |
204 | if (s == 's') |
205 | { | |
206 | i = sizeof (short) * k; | |
207 | type = scm_tc7_svect; | |
208 | } | |
5c11cc9d | 209 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
210 | else if (s == 'l') |
211 | { | |
212 | i = sizeof (long_long) * k; | |
213 | type = scm_tc7_llvect; | |
214 | } | |
215 | #endif | |
216 | else | |
217 | { | |
00ffa0e7 | 218 | return scm_c_make_vector (k, SCM_UNDEFINED); |
0f2d19dd JB |
219 | } |
220 | } | |
5b9eb8ae | 221 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 222 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d | 223 | /* no special scm_vector */ |
00ffa0e7 | 224 | return scm_c_make_vector (k, SCM_UNDEFINED); |
bc86da5d | 225 | else if (singp (prot)) |
0f2d19dd JB |
226 | { |
227 | i = sizeof (float) * k; | |
228 | type = scm_tc7_fvect; | |
229 | } | |
eb42e2f0 | 230 | else if (SCM_COMPLEXP (prot)) |
0f2d19dd JB |
231 | { |
232 | i = 2 * sizeof (double) * k; | |
233 | type = scm_tc7_cvect; | |
234 | } | |
235 | else | |
236 | { | |
237 | i = sizeof (double) * k; | |
238 | type = scm_tc7_dvect; | |
239 | } | |
0f2d19dd | 240 | |
5b9eb8ae DH |
241 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_UVECTOR_MAX_LENGTH); |
242 | ||
0f2d19dd JB |
243 | SCM_NEWCELL (v); |
244 | SCM_DEFER_INTS; | |
6a0476fd | 245 | SCM_SET_UVECTOR_BASE (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
93778877 | 246 | SCM_SET_UVECTOR_LENGTH (v, k, type); |
0f2d19dd JB |
247 | SCM_ALLOW_INTS; |
248 | return v; | |
249 | } | |
a3a32939 DH |
250 | #undef FUNC_NAME |
251 | ||
0f2d19dd | 252 | |
3b3b36dd | 253 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1e6808ea MG |
254 | (SCM v), |
255 | "Return the number of elements in @var{uve}.") | |
1bbd0b84 | 256 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
257 | { |
258 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 259 | switch SCM_TYP7 (v) |
0f2d19dd JB |
260 | { |
261 | default: | |
276dd677 | 262 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
74014c46 DH |
263 | case scm_tc7_vector: |
264 | case scm_tc7_wvect: | |
265 | return SCM_MAKINUM (SCM_VECTOR_LENGTH (v)); | |
0f2d19dd | 266 | case scm_tc7_string: |
74014c46 DH |
267 | return SCM_MAKINUM (SCM_STRING_LENGTH (v)); |
268 | case scm_tc7_bvect: | |
269 | return SCM_MAKINUM (SCM_BITVECTOR_LENGTH (v)); | |
0f2d19dd JB |
270 | case scm_tc7_byvect: |
271 | case scm_tc7_uvect: | |
272 | case scm_tc7_ivect: | |
273 | case scm_tc7_fvect: | |
274 | case scm_tc7_dvect: | |
275 | case scm_tc7_cvect: | |
0f2d19dd | 276 | case scm_tc7_svect: |
5c11cc9d | 277 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
278 | case scm_tc7_llvect: |
279 | #endif | |
74014c46 | 280 | return SCM_MAKINUM (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
281 | } |
282 | } | |
1bbd0b84 | 283 | #undef FUNC_NAME |
0f2d19dd | 284 | |
3b3b36dd | 285 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 286 | (SCM v, SCM prot), |
1e6808ea MG |
287 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
288 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
289 | "and is described elsewhere.") | |
1bbd0b84 | 290 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
291 | { |
292 | int nprot; | |
293 | int enclosed; | |
294 | nprot = SCM_UNBNDP (prot); | |
295 | enclosed = 0; | |
296 | if (SCM_IMP (v)) | |
297 | return SCM_BOOL_F; | |
c209c88e GB |
298 | |
299 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 300 | { |
0f2d19dd JB |
301 | if (!SCM_ARRAYP (v)) |
302 | return SCM_BOOL_F; | |
303 | if (nprot) | |
304 | return SCM_BOOL_T; | |
305 | if (enclosed++) | |
306 | return SCM_BOOL_F; | |
307 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
308 | } |
309 | if (nprot) | |
310 | return SCM_BOOL(nprot); | |
311 | else | |
312 | { | |
313 | int protp = 0; | |
314 | ||
315 | switch (SCM_TYP7 (v)) | |
316 | { | |
317 | case scm_tc7_bvect: | |
9a09deb1 | 318 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
c209c88e | 319 | case scm_tc7_string: |
4260a7fc | 320 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
c209c88e | 321 | case scm_tc7_byvect: |
4260a7fc | 322 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
c209c88e GB |
323 | case scm_tc7_uvect: |
324 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
325 | case scm_tc7_ivect: | |
326 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
327 | ||
328 | case scm_tc7_svect: | |
329 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 330 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 331 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
5c11cc9d | 332 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
333 | case scm_tc7_llvect: |
334 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 335 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 336 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
0f2d19dd | 337 | #endif |
c209c88e | 338 | case scm_tc7_fvect: |
bc86da5d | 339 | protp = singp (prot); |
c209c88e GB |
340 | case scm_tc7_dvect: |
341 | protp = SCM_REALP(prot); | |
342 | case scm_tc7_cvect: | |
eb42e2f0 | 343 | protp = SCM_COMPLEXP(prot); |
c209c88e GB |
344 | case scm_tc7_vector: |
345 | case scm_tc7_wvect: | |
346 | protp = SCM_NULLP(prot); | |
347 | default: | |
348 | /* no default */ | |
349 | ; | |
350 | } | |
351 | return SCM_BOOL(protp); | |
0f2d19dd | 352 | } |
0f2d19dd | 353 | } |
1bbd0b84 | 354 | #undef FUNC_NAME |
0f2d19dd JB |
355 | |
356 | ||
3b3b36dd | 357 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 358 | (SCM ra), |
1e6808ea MG |
359 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
360 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 361 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
362 | { |
363 | if (SCM_IMP (ra)) | |
1bbd0b84 | 364 | return SCM_INUM0; |
0f2d19dd JB |
365 | switch (SCM_TYP7 (ra)) |
366 | { | |
367 | default: | |
368 | return SCM_INUM0; | |
369 | case scm_tc7_string: | |
370 | case scm_tc7_vector: | |
95f5b0f5 | 371 | case scm_tc7_wvect: |
0f2d19dd JB |
372 | case scm_tc7_byvect: |
373 | case scm_tc7_uvect: | |
374 | case scm_tc7_ivect: | |
375 | case scm_tc7_fvect: | |
376 | case scm_tc7_cvect: | |
377 | case scm_tc7_dvect: | |
5c11cc9d | 378 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
379 | case scm_tc7_llvect: |
380 | #endif | |
381 | case scm_tc7_svect: | |
382 | return SCM_MAKINUM (1L); | |
383 | case scm_tc7_smob: | |
384 | if (SCM_ARRAYP (ra)) | |
385 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
386 | return SCM_INUM0; | |
387 | } | |
388 | } | |
1bbd0b84 | 389 | #undef FUNC_NAME |
0f2d19dd JB |
390 | |
391 | ||
3b3b36dd | 392 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 393 | (SCM ra), |
b380b885 MD |
394 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
395 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 396 | "@lisp\n" |
b380b885 | 397 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 398 | "@end lisp") |
1bbd0b84 | 399 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
400 | { |
401 | SCM res = SCM_EOL; | |
402 | scm_sizet k; | |
403 | scm_array_dim *s; | |
404 | if (SCM_IMP (ra)) | |
1bbd0b84 | 405 | return SCM_BOOL_F; |
0f2d19dd JB |
406 | switch (SCM_TYP7 (ra)) |
407 | { | |
408 | default: | |
409 | return SCM_BOOL_F; | |
410 | case scm_tc7_string: | |
411 | case scm_tc7_vector: | |
95f5b0f5 | 412 | case scm_tc7_wvect: |
0f2d19dd JB |
413 | case scm_tc7_bvect: |
414 | case scm_tc7_byvect: | |
415 | case scm_tc7_uvect: | |
416 | case scm_tc7_ivect: | |
417 | case scm_tc7_fvect: | |
418 | case scm_tc7_cvect: | |
419 | case scm_tc7_dvect: | |
420 | case scm_tc7_svect: | |
5c11cc9d | 421 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
422 | case scm_tc7_llvect: |
423 | #endif | |
74014c46 | 424 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
425 | case scm_tc7_smob: |
426 | if (!SCM_ARRAYP (ra)) | |
427 | return SCM_BOOL_F; | |
428 | k = SCM_ARRAY_NDIM (ra); | |
429 | s = SCM_ARRAY_DIMS (ra); | |
430 | while (k--) | |
e2d37336 MD |
431 | res = scm_cons (s[k].lbnd |
432 | ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), | |
433 | SCM_MAKINUM (s[k].ubnd), | |
434 | SCM_EOL) | |
435 | : SCM_MAKINUM (1 + s[k].ubnd), | |
436 | res); | |
0f2d19dd JB |
437 | return res; |
438 | } | |
439 | } | |
1bbd0b84 | 440 | #undef FUNC_NAME |
0f2d19dd JB |
441 | |
442 | ||
e2d37336 MD |
443 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
444 | (SCM ra), | |
445 | "Return the root vector of a shared array.") | |
446 | #define FUNC_NAME s_scm_shared_array_root | |
447 | { | |
448 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
449 | return SCM_ARRAY_V (ra); | |
450 | } | |
451 | #undef FUNC_NAME | |
452 | ||
453 | ||
454 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
455 | (SCM ra), | |
456 | "Return the root vector index of the first element in the array.") | |
457 | #define FUNC_NAME s_scm_shared_array_offset | |
458 | { | |
459 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
460 | return SCM_MAKINUM (SCM_ARRAY_BASE (ra)); | |
461 | } | |
462 | #undef FUNC_NAME | |
463 | ||
464 | ||
465 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
466 | (SCM ra), | |
467 | "For each dimension, return the distance between elements in the root vector.") | |
468 | #define FUNC_NAME s_scm_shared_array_increments | |
469 | { | |
470 | SCM res = SCM_EOL; | |
471 | scm_sizet k; | |
472 | scm_array_dim *s; | |
473 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
474 | k = SCM_ARRAY_NDIM (ra); | |
475 | s = SCM_ARRAY_DIMS (ra); | |
476 | while (k--) | |
477 | res = scm_cons (SCM_MAKINUM (s[k].inc), res); | |
478 | return res; | |
479 | } | |
480 | #undef FUNC_NAME | |
481 | ||
482 | ||
0f2d19dd JB |
483 | static char s_bad_ind[] = "Bad scm_array index"; |
484 | ||
1cc91f1b | 485 | |
0f2d19dd | 486 | long |
1bbd0b84 | 487 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 488 | #define FUNC_NAME what |
0f2d19dd JB |
489 | { |
490 | SCM ind; | |
491 | register long j; | |
492 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
493 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
494 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
495 | if (SCM_INUMP (args)) | |
0f2d19dd | 496 | { |
b3fcac34 DH |
497 | if (k != 1) |
498 | scm_error_num_args_subr (what); | |
0f2d19dd JB |
499 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
500 | } | |
501 | while (k && SCM_NIMP (args)) | |
502 | { | |
503 | ind = SCM_CAR (args); | |
504 | args = SCM_CDR (args); | |
b3fcac34 DH |
505 | if (!SCM_INUMP (ind)) |
506 | scm_misc_error (what, s_bad_ind, SCM_EOL); | |
0f2d19dd | 507 | j = SCM_INUM (ind); |
685c0d71 DH |
508 | if (j < s->lbnd || j > s->ubnd) |
509 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
510 | pos += (j - s->lbnd) * (s->inc); |
511 | k--; | |
512 | s++; | |
513 | } | |
b3fcac34 DH |
514 | if (k != 0 || !SCM_NULLP (args)) |
515 | scm_error_num_args_subr (what); | |
516 | ||
0f2d19dd JB |
517 | return pos; |
518 | } | |
b3fcac34 | 519 | #undef FUNC_NAME |
0f2d19dd | 520 | |
1cc91f1b | 521 | |
0f2d19dd | 522 | SCM |
1bbd0b84 | 523 | scm_make_ra (int ndim) |
0f2d19dd JB |
524 | { |
525 | SCM ra; | |
526 | SCM_NEWCELL (ra); | |
527 | SCM_DEFER_INTS; | |
23a62151 MD |
528 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
529 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 530 | "array")); |
0f2d19dd JB |
531 | SCM_ARRAY_V (ra) = scm_nullvect; |
532 | SCM_ALLOW_INTS; | |
533 | return ra; | |
534 | } | |
535 | ||
536 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
537 | /* Increments will still need to be set. */ | |
538 | ||
1cc91f1b | 539 | |
0f2d19dd | 540 | SCM |
1bbd0b84 | 541 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
542 | { |
543 | scm_array_dim *s; | |
544 | SCM ra, spec, sp; | |
545 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
546 | if (ndim < 0) |
547 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
548 | ||
0f2d19dd JB |
549 | ra = scm_make_ra (ndim); |
550 | SCM_ARRAY_BASE (ra) = 0; | |
551 | s = SCM_ARRAY_DIMS (ra); | |
a3a32939 | 552 | for (; !SCM_NULLP (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
553 | { |
554 | spec = SCM_CAR (args); | |
a3a32939 | 555 | if (SCM_INUMP (spec)) |
0f2d19dd | 556 | { |
b3fcac34 DH |
557 | if (SCM_INUM (spec) < 0) |
558 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
559 | s->lbnd = 0; |
560 | s->ubnd = SCM_INUM (spec) - 1; | |
561 | s->inc = 1; | |
562 | } | |
563 | else | |
564 | { | |
b3fcac34 DH |
565 | if (!SCM_CONSP (spec) || !SCM_INUMP (SCM_CAR (spec))) |
566 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
567 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
568 | sp = SCM_CDR (spec); | |
b3fcac34 DH |
569 | if (!SCM_CONSP (sp) |
570 | || !SCM_INUMP (SCM_CAR (sp)) | |
571 | || !SCM_NULLP (SCM_CDR (sp))) | |
572 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
573 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
574 | s->inc = 1; | |
575 | } | |
576 | } | |
577 | return ra; | |
578 | } | |
579 | ||
3b3b36dd | 580 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 581 | (SCM dims, SCM prot, SCM fill), |
b380b885 | 582 | "@deffnx primitive make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
583 | "Create and return a uniform array or vector of type\n" |
584 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
585 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
586 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 587 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 588 | { |
a3a32939 DH |
589 | scm_sizet k; |
590 | unsigned long int rlen = 1; | |
0f2d19dd JB |
591 | scm_array_dim *s; |
592 | SCM ra; | |
593 | if (SCM_INUMP (dims)) | |
cda139a7 | 594 | { |
5b9eb8ae | 595 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
a3a32939 DH |
596 | if (!SCM_UNBNDP (fill)) |
597 | scm_array_fill_x (answer, fill); | |
598 | else if (SCM_SYMBOLP (prot)) | |
599 | scm_array_fill_x (answer, SCM_MAKINUM (0)); | |
600 | else | |
601 | scm_array_fill_x (answer, prot); | |
602 | return answer; | |
cda139a7 | 603 | } |
0c95b57d GB |
604 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
605 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 606 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 607 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
608 | s = SCM_ARRAY_DIMS (ra); |
609 | k = SCM_ARRAY_NDIM (ra); | |
610 | while (k--) | |
611 | { | |
a3a32939 DH |
612 | s[k].inc = rlen; |
613 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 614 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 615 | } |
a3a32939 | 616 | |
a3a32939 DH |
617 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
618 | ||
5c11cc9d | 619 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 620 | scm_array_fill_x (ra, fill); |
0c95b57d | 621 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
622 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
623 | else | |
624 | scm_array_fill_x (ra, prot); | |
a3a32939 | 625 | |
0f2d19dd JB |
626 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
627 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
628 | return SCM_ARRAY_V (ra); | |
629 | return ra; | |
630 | } | |
1bbd0b84 | 631 | #undef FUNC_NAME |
0f2d19dd | 632 | |
1cc91f1b | 633 | |
0f2d19dd | 634 | void |
1bbd0b84 | 635 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
636 | { |
637 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 638 | if (k) |
0f2d19dd | 639 | { |
fe0c6dae JB |
640 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
641 | while (k--) | |
0f2d19dd | 642 | { |
fe0c6dae JB |
643 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
644 | { | |
e038c042 | 645 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
646 | return; |
647 | } | |
648 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
649 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 650 | } |
0f2d19dd | 651 | } |
e038c042 | 652 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
653 | } |
654 | ||
655 | ||
3b3b36dd | 656 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 657 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
658 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
659 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
660 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
661 | "linear, and its range must stay within the bounds of the old array, but\n" | |
662 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 663 | "@lisp\n" |
b380b885 MD |
664 | "(define fred (make-array #f 8 8))\n" |
665 | "(define freds-diagonal\n" | |
666 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
667 | "(array-set! freds-diagonal 'foo 3)\n" | |
668 | "(array-ref fred 3 3) @result{} foo\n" | |
669 | "(define freds-center\n" | |
670 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
671 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 672 | "@end lisp") |
1bbd0b84 | 673 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
674 | { |
675 | SCM ra; | |
676 | SCM inds, indptr; | |
677 | SCM imap; | |
678 | scm_sizet i, k; | |
679 | long old_min, new_min, old_max, new_max; | |
680 | scm_array_dim *s; | |
b3fcac34 DH |
681 | |
682 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
3b3b36dd GB |
683 | SCM_VALIDATE_ARRAY (1,oldra); |
684 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 685 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
686 | if (SCM_ARRAYP (oldra)) |
687 | { | |
688 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
689 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
690 | s = SCM_ARRAY_DIMS (oldra); | |
691 | k = SCM_ARRAY_NDIM (oldra); | |
692 | while (k--) | |
693 | { | |
694 | if (s[k].inc > 0) | |
695 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
696 | else | |
697 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
698 | } | |
699 | } | |
700 | else | |
701 | { | |
702 | SCM_ARRAY_V (ra) = oldra; | |
703 | old_min = 0; | |
74014c46 | 704 | old_max = SCM_INUM (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
705 | } |
706 | inds = SCM_EOL; | |
707 | s = SCM_ARRAY_DIMS (ra); | |
708 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
709 | { | |
710 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
711 | if (s[k].ubnd < s[k].lbnd) | |
712 | { | |
713 | if (1 == SCM_ARRAY_NDIM (ra)) | |
714 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
715 | else | |
716 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
717 | return ra; | |
718 | } | |
719 | } | |
92396c0a | 720 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 721 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 722 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
723 | else |
724 | { | |
725 | if (SCM_NINUMP (imap)) | |
726 | ||
727 | { | |
b3fcac34 DH |
728 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
729 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
730 | imap = SCM_CAR (imap); |
731 | } | |
732 | i = SCM_INUM (imap); | |
733 | } | |
734 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
735 | indptr = inds; | |
736 | k = SCM_ARRAY_NDIM (ra); | |
737 | while (k--) | |
738 | { | |
739 | if (s[k].ubnd > s[k].lbnd) | |
740 | { | |
898a256f | 741 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
742 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
743 | if (SCM_ARRAYP (oldra)) | |
744 | ||
1bbd0b84 | 745 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
746 | else |
747 | { | |
748 | if (SCM_NINUMP (imap)) | |
0f2d19dd | 749 | { |
b3fcac34 DH |
750 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
751 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
752 | imap = SCM_CAR (imap); |
753 | } | |
754 | s[k].inc = (long) SCM_INUM (imap) - i; | |
755 | } | |
756 | i += s[k].inc; | |
757 | if (s[k].inc > 0) | |
758 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
759 | else | |
760 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
761 | } | |
762 | else | |
763 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
764 | indptr = SCM_CDR (indptr); | |
765 | } | |
b3fcac34 DH |
766 | if (old_min > new_min || old_max < new_max) |
767 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
768 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
769 | { | |
74014c46 DH |
770 | SCM v = SCM_ARRAY_V (ra); |
771 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
772 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) | |
773 | return v; | |
0f2d19dd JB |
774 | if (s->ubnd < s->lbnd) |
775 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
776 | } | |
777 | scm_ra_set_contp (ra); | |
778 | return ra; | |
779 | } | |
1bbd0b84 | 780 | #undef FUNC_NAME |
0f2d19dd JB |
781 | |
782 | ||
783 | /* args are RA . DIMS */ | |
af45e3b0 DH |
784 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
785 | (SCM ra, SCM args), | |
1e6808ea MG |
786 | "Return an array sharing contents with @var{array}, but with\n" |
787 | "dimensions arranged in a different order. There must be one\n" | |
788 | "@var{dim} argument for each dimension of @var{array}.\n" | |
789 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
790 | "and the rank of the array to be returned. Each integer in that\n" | |
791 | "range must appear at least once in the argument list.\n" | |
792 | "\n" | |
793 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
794 | "dimensions in the array to be returned, their positions in the\n" | |
795 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
796 | "may have the same value, in which case the returned array will\n" | |
797 | "have smaller rank than @var{array}.\n" | |
798 | "\n" | |
799 | "@lisp\n" | |
b380b885 MD |
800 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
801 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
802 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
803 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 804 | "@end lisp") |
1bbd0b84 | 805 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 806 | { |
af45e3b0 | 807 | SCM res, vargs, *ve = &vargs; |
0f2d19dd JB |
808 | scm_array_dim *s, *r; |
809 | int ndim, i, k; | |
af45e3b0 | 810 | |
b3fcac34 | 811 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 812 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 813 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
814 | { |
815 | default: | |
276dd677 | 816 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
817 | case scm_tc7_bvect: |
818 | case scm_tc7_string: | |
819 | case scm_tc7_byvect: | |
820 | case scm_tc7_uvect: | |
821 | case scm_tc7_ivect: | |
822 | case scm_tc7_fvect: | |
823 | case scm_tc7_dvect: | |
824 | case scm_tc7_cvect: | |
825 | case scm_tc7_svect: | |
5c11cc9d | 826 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
827 | case scm_tc7_llvect: |
828 | #endif | |
b3fcac34 DH |
829 | if (SCM_NULLP (args) || !SCM_NULLP (SCM_CDR (args))) |
830 | SCM_WRONG_NUM_ARGS (); | |
831 | SCM_VALIDATE_INUM (SCM_ARG2, SCM_CAR (args)); | |
685c0d71 DH |
832 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), |
833 | SCM_EQ_P (SCM_INUM0, SCM_CAR (args))); | |
0f2d19dd JB |
834 | return ra; |
835 | case scm_tc7_smob: | |
836 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
837 | vargs = scm_vector (args); | |
b3fcac34 DH |
838 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
839 | SCM_WRONG_NUM_ARGS (); | |
840 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
841 | ndim = 0; |
842 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
843 | { | |
20a54673 | 844 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 845 | FUNC_NAME); |
0f2d19dd | 846 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
847 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
848 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
849 | if (ndim < i) |
850 | ndim = i; | |
851 | } | |
852 | ndim++; | |
853 | res = scm_make_ra (ndim); | |
854 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
855 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
856 | for (k = ndim; k--;) | |
857 | { | |
858 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
859 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
860 | } | |
861 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
862 | { | |
863 | i = SCM_INUM (ve[k]); | |
864 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
865 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
866 | if (r->ubnd < r->lbnd) | |
867 | { | |
868 | r->lbnd = s->lbnd; | |
869 | r->ubnd = s->ubnd; | |
870 | r->inc = s->inc; | |
871 | ndim--; | |
872 | } | |
873 | else | |
874 | { | |
875 | if (r->ubnd > s->ubnd) | |
876 | r->ubnd = s->ubnd; | |
877 | if (r->lbnd < s->lbnd) | |
878 | { | |
879 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
880 | r->lbnd = s->lbnd; | |
881 | } | |
882 | r->inc += s->inc; | |
883 | } | |
884 | } | |
b3fcac34 DH |
885 | if (ndim > 0) |
886 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
887 | scm_ra_set_contp (res); |
888 | return res; | |
889 | } | |
890 | } | |
1bbd0b84 | 891 | #undef FUNC_NAME |
0f2d19dd JB |
892 | |
893 | /* args are RA . AXES */ | |
af45e3b0 DH |
894 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
895 | (SCM ra, SCM axes), | |
b380b885 MD |
896 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
897 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
898 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
899 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
900 | "the dimensions of the outer array are the same as those of the original\n" | |
901 | "array that did not match a @var{dim}.\n\n" | |
902 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
903 | "be set using @code{array-set!}. Two references to the same element of\n" | |
904 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
905 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
906 | "enclosed array is unspecified.\n\n" | |
907 | "examples:\n" | |
1e6808ea | 908 | "@lisp\n" |
b380b885 MD |
909 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
910 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
911 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
912 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 913 | "@end lisp") |
1bbd0b84 | 914 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 915 | { |
af45e3b0 | 916 | SCM axv, res, ra_inr; |
0f2d19dd JB |
917 | scm_array_dim vdim, *s = &vdim; |
918 | int ndim, j, k, ninr, noutr; | |
af45e3b0 | 919 | |
b3fcac34 | 920 | SCM_VALIDATE_REST_ARGUMENT (axes); |
0f2d19dd | 921 | if (SCM_NULLP (axes)) |
0f2d19dd JB |
922 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
923 | ninr = scm_ilength (axes); | |
b3fcac34 DH |
924 | if (ninr < 0) |
925 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
926 | ra_inr = scm_make_ra (ninr); |
927 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 928 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
929 | { |
930 | default: | |
276dd677 | 931 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
932 | case scm_tc7_string: |
933 | case scm_tc7_bvect: | |
934 | case scm_tc7_byvect: | |
935 | case scm_tc7_uvect: | |
936 | case scm_tc7_ivect: | |
937 | case scm_tc7_fvect: | |
938 | case scm_tc7_dvect: | |
939 | case scm_tc7_cvect: | |
940 | case scm_tc7_vector: | |
95f5b0f5 | 941 | case scm_tc7_wvect: |
0f2d19dd | 942 | case scm_tc7_svect: |
5c11cc9d | 943 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
944 | case scm_tc7_llvect: |
945 | #endif | |
946 | s->lbnd = 0; | |
74014c46 | 947 | s->ubnd = SCM_INUM (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
948 | s->inc = 1; |
949 | SCM_ARRAY_V (ra_inr) = ra; | |
950 | SCM_ARRAY_BASE (ra_inr) = 0; | |
951 | ndim = 1; | |
952 | break; | |
953 | case scm_tc7_smob: | |
954 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
955 | s = SCM_ARRAY_DIMS (ra); | |
956 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
957 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
958 | ndim = SCM_ARRAY_NDIM (ra); | |
959 | break; | |
960 | } | |
961 | noutr = ndim - ninr; | |
b3fcac34 DH |
962 | if (noutr < 0) |
963 | SCM_WRONG_NUM_ARGS (); | |
7866a09b | 964 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
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 | { | |
b3fcac34 DH |
970 | if (!SCM_INUMP (SCM_CAR (axes))) |
971 | SCM_MISC_ERROR ("bad axis", SCM_EOL); | |
0f2d19dd JB |
972 | j = SCM_INUM (SCM_CAR (axes)); |
973 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
974 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
975 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 976 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
977 | } |
978 | for (j = 0, k = 0; k < noutr; k++, j++) | |
979 | { | |
405aaef9 | 980 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
981 | j++; |
982 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
983 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
984 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
985 | } | |
986 | scm_ra_set_contp (ra_inr); | |
987 | scm_ra_set_contp (res); | |
988 | return res; | |
989 | } | |
1bbd0b84 | 990 | #undef FUNC_NAME |
0f2d19dd JB |
991 | |
992 | ||
993 | ||
af45e3b0 DH |
994 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
995 | (SCM v, SCM args), | |
1e6808ea MG |
996 | "Return @code{#t} if its arguments would be acceptable to\n" |
997 | "@code{array-ref}.") | |
1bbd0b84 | 998 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 999 | { |
af45e3b0 | 1000 | SCM ind = SCM_EOL; |
0f2d19dd JB |
1001 | long pos = 0; |
1002 | register scm_sizet k; | |
1003 | register long j; | |
1004 | scm_array_dim *s; | |
af45e3b0 | 1005 | |
b3fcac34 | 1006 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
1007 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1008 | if (SCM_NIMP (args)) | |
1009 | ||
1010 | { | |
1011 | ind = SCM_CAR (args); | |
1012 | args = SCM_CDR (args); | |
1bbd0b84 | 1013 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1014 | pos = SCM_INUM (ind); |
1015 | } | |
1016 | tail: | |
74014c46 | 1017 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1018 | { |
1019 | default: | |
276dd677 | 1020 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 1021 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1022 | case scm_tc7_smob: |
1023 | k = SCM_ARRAY_NDIM (v); | |
1024 | s = SCM_ARRAY_DIMS (v); | |
1025 | pos = SCM_ARRAY_BASE (v); | |
1026 | if (!k) | |
1027 | { | |
1028 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1029 | ind = SCM_INUM0; | |
1030 | } | |
1031 | else | |
1032 | while (!0) | |
1033 | { | |
1034 | j = SCM_INUM (ind); | |
1035 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1036 | { | |
1037 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1038 | return SCM_BOOL_F; | |
1039 | } | |
1040 | pos += (j - s->lbnd) * (s->inc); | |
1041 | if (!(--k && SCM_NIMP (args))) | |
1042 | break; | |
1043 | ind = SCM_CAR (args); | |
1044 | args = SCM_CDR (args); | |
1045 | s++; | |
b3fcac34 DH |
1046 | if (!SCM_INUMP (ind)) |
1047 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
1048 | } |
1049 | SCM_ASRTGO (0 == k, wna); | |
1050 | v = SCM_ARRAY_V (v); | |
1051 | goto tail; | |
1052 | case scm_tc7_bvect: | |
1053 | case scm_tc7_string: | |
1054 | case scm_tc7_byvect: | |
1055 | case scm_tc7_uvect: | |
1056 | case scm_tc7_ivect: | |
1057 | case scm_tc7_fvect: | |
1058 | case scm_tc7_dvect: | |
1059 | case scm_tc7_cvect: | |
1060 | case scm_tc7_svect: | |
5c11cc9d | 1061 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1062 | case scm_tc7_llvect: |
1063 | #endif | |
1064 | case scm_tc7_vector: | |
95f5b0f5 | 1065 | case scm_tc7_wvect: |
74014c46 DH |
1066 | { |
1067 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
1068 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); | |
1069 | return SCM_BOOL(pos >= 0 && pos < length); | |
1070 | } | |
0f2d19dd JB |
1071 | } |
1072 | } | |
1bbd0b84 | 1073 | #undef FUNC_NAME |
0f2d19dd JB |
1074 | |
1075 | ||
1bbd0b84 | 1076 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1077 | |
1bbd0b84 | 1078 | |
3b3b36dd | 1079 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1080 | (SCM v, SCM args), |
ec57ce2e | 1081 | "@deffnx primitive array-ref v . args\n" |
1e6808ea MG |
1082 | "Return the element at the @code{(index1, index2)} element in\n" |
1083 | "@var{array}.") | |
1bbd0b84 | 1084 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1085 | { |
1086 | long pos; | |
0f2d19dd | 1087 | |
35de7ebe | 1088 | if (SCM_IMP (v)) |
0f2d19dd JB |
1089 | { |
1090 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1091 | return v; | |
1092 | } | |
1093 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1094 | { |
1bbd0b84 | 1095 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1096 | v = SCM_ARRAY_V (v); |
1097 | } | |
1098 | else | |
1099 | { | |
74014c46 | 1100 | unsigned long int length; |
0f2d19dd | 1101 | if (SCM_NIMP (args)) |
0f2d19dd | 1102 | { |
1bbd0b84 | 1103 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1104 | pos = SCM_INUM (SCM_CAR (args)); |
1105 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1106 | } | |
1107 | else | |
1108 | { | |
3b3b36dd | 1109 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1110 | pos = SCM_INUM (args); |
1111 | } | |
74014c46 DH |
1112 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1113 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd | 1114 | } |
74014c46 | 1115 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1116 | { |
1117 | default: | |
1118 | if (SCM_NULLP (args)) | |
1119 | return v; | |
35de7ebe | 1120 | badarg: |
276dd677 DH |
1121 | SCM_WRONG_TYPE_ARG (1, v); |
1122 | /* not reached */ | |
c209c88e GB |
1123 | |
1124 | outrng: | |
1125 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1126 | wna: | |
b3fcac34 | 1127 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1128 | case scm_tc7_smob: |
1129 | { /* enclosed */ | |
1130 | int k = SCM_ARRAY_NDIM (v); | |
1131 | SCM res = scm_make_ra (k); | |
1132 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1133 | SCM_ARRAY_BASE (res) = pos; | |
1134 | while (k--) | |
1135 | { | |
1136 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1137 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1138 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1139 | } | |
1140 | return res; | |
1141 | } | |
1142 | case scm_tc7_bvect: | |
c209c88e | 1143 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1144 | return SCM_BOOL_T; |
1145 | else | |
1146 | return SCM_BOOL_F; | |
1147 | case scm_tc7_string: | |
322ac0c5 | 1148 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1149 | case scm_tc7_byvect: |
405aaef9 | 1150 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1151 | case scm_tc7_uvect: |
fee7ef83 | 1152 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1153 | case scm_tc7_ivect: |
fee7ef83 | 1154 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1155 | |
1156 | case scm_tc7_svect: | |
4260a7fc | 1157 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1158 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1159 | case scm_tc7_llvect: |
4260a7fc | 1160 | return scm_long_long2num (((long_long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1161 | #endif |
1162 | ||
0f2d19dd | 1163 | case scm_tc7_fvect: |
4260a7fc | 1164 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1165 | case scm_tc7_dvect: |
4260a7fc | 1166 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1167 | case scm_tc7_cvect: |
4260a7fc DH |
1168 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1169 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1170 | case scm_tc7_vector: |
95f5b0f5 | 1171 | case scm_tc7_wvect: |
0f2d19dd JB |
1172 | return SCM_VELTS (v)[pos]; |
1173 | } | |
1174 | } | |
1bbd0b84 | 1175 | #undef FUNC_NAME |
0f2d19dd JB |
1176 | |
1177 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1178 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1179 | |
0f2d19dd | 1180 | SCM |
6e8d25a6 | 1181 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
db4b4ca6 | 1182 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1183 | { |
5c11cc9d | 1184 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1185 | { |
1186 | default: | |
db4b4ca6 | 1187 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1188 | case scm_tc7_bvect: |
c209c88e | 1189 | if (SCM_BITVEC_REF(v,pos)) |
0f2d19dd JB |
1190 | return SCM_BOOL_T; |
1191 | else | |
1192 | return SCM_BOOL_F; | |
1193 | case scm_tc7_string: | |
322ac0c5 | 1194 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1195 | case scm_tc7_byvect: |
405aaef9 | 1196 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1197 | case scm_tc7_uvect: |
fee7ef83 | 1198 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1199 | case scm_tc7_ivect: |
fee7ef83 | 1200 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1201 | case scm_tc7_svect: |
4260a7fc | 1202 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1203 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1204 | case scm_tc7_llvect: |
4260a7fc | 1205 | return scm_long_long2num (((long_long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1206 | #endif |
0f2d19dd | 1207 | case scm_tc7_fvect: |
fee7ef83 | 1208 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1209 | { |
4260a7fc | 1210 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1211 | return last; |
1212 | } | |
4260a7fc | 1213 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1214 | case scm_tc7_dvect: |
fee7ef83 | 1215 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1216 | { |
4260a7fc | 1217 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1218 | return last; |
1219 | } | |
4260a7fc | 1220 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1221 | case scm_tc7_cvect: |
bc86da5d | 1222 | if (SCM_NIMP (last) && SCM_SLOPPY_COMPLEXP (last)) |
0f2d19dd | 1223 | { |
4260a7fc DH |
1224 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1225 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1226 | return last; |
1227 | } | |
4260a7fc DH |
1228 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1229 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1230 | case scm_tc7_vector: |
95f5b0f5 | 1231 | case scm_tc7_wvect: |
0f2d19dd JB |
1232 | return SCM_VELTS (v)[pos]; |
1233 | case scm_tc7_smob: | |
1234 | { /* enclosed scm_array */ | |
1235 | int k = SCM_ARRAY_NDIM (v); | |
1236 | SCM res = scm_make_ra (k); | |
1237 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1238 | SCM_ARRAY_BASE (res) = pos; | |
1239 | while (k--) | |
1240 | { | |
1241 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1242 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1243 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1244 | } | |
1245 | return res; | |
1246 | } | |
1247 | } | |
1248 | } | |
db4b4ca6 DH |
1249 | #undef FUNC_NAME |
1250 | ||
0f2d19dd | 1251 | |
1bbd0b84 GB |
1252 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1253 | ||
1cc91f1b | 1254 | |
0aa0871f GH |
1255 | /* Note that args may be a list or an immediate object, depending which |
1256 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1257 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1258 | (SCM v, SCM obj, SCM args), |
ec57ce2e | 1259 | "@deffnx primitive uniform-array-set1! v obj args\n" |
b380b885 MD |
1260 | "Sets the element at the @code{(index1, index2)} element in @var{array} to\n" |
1261 | "@var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1262 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1263 | { |
f3667f52 | 1264 | long pos = 0; |
b3fcac34 DH |
1265 | |
1266 | SCM_VALIDATE_REST_ARGUMENT (args); | |
0f2d19dd JB |
1267 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1268 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1269 | { |
1bbd0b84 | 1270 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1271 | v = SCM_ARRAY_V (v); |
1272 | } | |
1273 | else | |
1274 | { | |
74014c46 | 1275 | unsigned long int length; |
0f2d19dd | 1276 | if (SCM_NIMP (args)) |
0f2d19dd | 1277 | { |
0aa0871f | 1278 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1279 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1280 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1281 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1282 | } |
1283 | else | |
1284 | { | |
3b3b36dd | 1285 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd | 1286 | } |
74014c46 DH |
1287 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1288 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd JB |
1289 | } |
1290 | switch (SCM_TYP7 (v)) | |
1291 | { | |
35de7ebe | 1292 | default: badarg1: |
276dd677 DH |
1293 | SCM_WRONG_TYPE_ARG (1, v); |
1294 | /* not reached */ | |
c209c88e GB |
1295 | outrng: |
1296 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1297 | wna: | |
b3fcac34 | 1298 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1299 | case scm_tc7_smob: /* enclosed */ |
1300 | goto badarg1; | |
1301 | case scm_tc7_bvect: | |
4260a7fc | 1302 | if (SCM_FALSEP (obj)) |
c209c88e | 1303 | SCM_BITVEC_CLR(v,pos); |
9a09deb1 | 1304 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c209c88e | 1305 | SCM_BITVEC_SET(v,pos); |
0f2d19dd | 1306 | else |
276dd677 | 1307 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1308 | break; |
1309 | case scm_tc7_string: | |
7866a09b | 1310 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1311 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1312 | break; |
1313 | case scm_tc7_byvect: | |
7866a09b GB |
1314 | if (SCM_CHARP (obj)) |
1315 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1316 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1317 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1318 | break; |
1bbd0b84 | 1319 | case scm_tc7_uvect: |
e4b265d8 | 1320 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2ulong(obj, SCM_ARG2, FUNC_NAME)); |
c209c88e | 1321 | break; |
1bbd0b84 | 1322 | case scm_tc7_ivect: |
e4b265d8 | 1323 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2long (obj, SCM_ARG2, FUNC_NAME)); |
c209c88e | 1324 | break; |
0f2d19dd | 1325 | case scm_tc7_svect: |
0aa0871f | 1326 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
4260a7fc | 1327 | ((short *) SCM_CELL_WORD_1 (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1328 | break; |
5c11cc9d | 1329 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1330 | case scm_tc7_llvect: |
e4b265d8 | 1331 | ((long_long *) SCM_CELL_WORD_1 (v))[pos] = scm_num2long_long (obj, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1332 | break; |
1333 | #endif | |
1334 | ||
1335 | ||
0f2d19dd | 1336 | case scm_tc7_fvect: |
4260a7fc | 1337 | ((float *) SCM_CELL_WORD_1 (v))[pos] = (float) scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd | 1338 | break; |
0f2d19dd | 1339 | case scm_tc7_dvect: |
4260a7fc | 1340 | ((double *) SCM_CELL_WORD_1 (v))[pos] = scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd JB |
1341 | break; |
1342 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1343 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1344 | if (SCM_REALP (obj)) { | |
1345 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos] = SCM_REAL_VALUE (obj); | |
1346 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1] = 0.0; | |
1347 | } else { | |
1348 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos] = SCM_COMPLEX_REAL (obj); | |
1349 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
1350 | } | |
0f2d19dd | 1351 | break; |
0f2d19dd | 1352 | case scm_tc7_vector: |
95f5b0f5 | 1353 | case scm_tc7_wvect: |
0f2d19dd JB |
1354 | SCM_VELTS (v)[pos] = obj; |
1355 | break; | |
1356 | } | |
1357 | return SCM_UNSPECIFIED; | |
1358 | } | |
1bbd0b84 | 1359 | #undef FUNC_NAME |
0f2d19dd | 1360 | |
1d7bdb25 GH |
1361 | /* attempts to unroll an array into a one-dimensional array. |
1362 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1363 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1364 | wouldn't have contiguous elements. */ |
3b3b36dd | 1365 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1366 | (SCM ra, SCM strict), |
b380b885 MD |
1367 | "@deffnx primitive array-contents array strict\n" |
1368 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" | |
1369 | "without changing their order (last subscript changing fastest), then\n" | |
1370 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1371 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1372 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1373 | "@var{make-shared-array} may not be.\n\n" | |
1374 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1375 | "be returned only if its elements are stored internally contiguous in\n" | |
1376 | "memory.") | |
1bbd0b84 | 1377 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1378 | { |
1379 | SCM sra; | |
1380 | if (SCM_IMP (ra)) | |
f3667f52 | 1381 | return SCM_BOOL_F; |
5c11cc9d | 1382 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1383 | { |
1384 | default: | |
1385 | return SCM_BOOL_F; | |
1386 | case scm_tc7_vector: | |
95f5b0f5 | 1387 | case scm_tc7_wvect: |
0f2d19dd JB |
1388 | case scm_tc7_string: |
1389 | case scm_tc7_bvect: | |
1390 | case scm_tc7_byvect: | |
1391 | case scm_tc7_uvect: | |
1392 | case scm_tc7_ivect: | |
1393 | case scm_tc7_fvect: | |
1394 | case scm_tc7_dvect: | |
1395 | case scm_tc7_cvect: | |
1396 | case scm_tc7_svect: | |
5c11cc9d | 1397 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1398 | case scm_tc7_llvect: |
1399 | #endif | |
1400 | return ra; | |
1401 | case scm_tc7_smob: | |
1402 | { | |
1403 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1404 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1405 | return SCM_BOOL_F; | |
1406 | for (k = 0; k < ndim; k++) | |
1407 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1408 | if (!SCM_UNBNDP (strict)) | |
1409 | { | |
0f2d19dd JB |
1410 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1411 | return SCM_BOOL_F; | |
1412 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1413 | { | |
74014c46 | 1414 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
0f2d19dd JB |
1415 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1416 | len % SCM_LONG_BIT) | |
1417 | return SCM_BOOL_F; | |
1418 | } | |
1419 | } | |
74014c46 DH |
1420 | |
1421 | { | |
1422 | SCM v = SCM_ARRAY_V (ra); | |
1423 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
1424 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1425 | return v; | |
1426 | } | |
1427 | ||
0f2d19dd JB |
1428 | sra = scm_make_ra (1); |
1429 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1430 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1431 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1432 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1433 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1434 | return sra; | |
1435 | } | |
1436 | } | |
1437 | } | |
1bbd0b84 | 1438 | #undef FUNC_NAME |
0f2d19dd | 1439 | |
1cc91f1b | 1440 | |
0f2d19dd | 1441 | SCM |
6e8d25a6 | 1442 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1443 | { |
1444 | SCM ret; | |
1445 | long inc = 1; | |
1446 | scm_sizet k, len = 1; | |
1447 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1448 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1449 | k = SCM_ARRAY_NDIM (ra); | |
1450 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1451 | { | |
74014c46 | 1452 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1453 | return ra; |
74014c46 | 1454 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
0f2d19dd JB |
1455 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1456 | 0 == len % SCM_LONG_BIT)) | |
1457 | return ra; | |
1458 | } | |
1459 | ret = scm_make_ra (k); | |
1460 | SCM_ARRAY_BASE (ret) = 0; | |
1461 | while (k--) | |
1462 | { | |
1463 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1464 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1465 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1466 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1467 | } | |
1468 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1469 | if (copy) | |
1470 | scm_array_copy_x (ra, ret); | |
1471 | return ret; | |
1472 | } | |
1473 | ||
1474 | ||
1475 | ||
3b3b36dd | 1476 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1477 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1478 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1479 | "Attempts to read all elements of @var{ura}, in lexicographic order, as\n" | |
1480 | "binary objects from @var{port-or-fdes}.\n" | |
1481 | "If an end of file is encountered during\n" | |
1482 | "uniform-array-read! the objects up to that point only are put into @var{ura}\n" | |
1483 | "(starting at the beginning) and the remainder of the array is\n" | |
1484 | "unchanged.\n\n" | |
1485 | "The optional arguments @var{start} and @var{end} allow\n" | |
1486 | "a specified region of a vector (or linearized array) to be read,\n" | |
1487 | "leaving the remainder of the vector unchanged.\n\n" | |
1488 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1489 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1490 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1491 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1492 | { |
35de7ebe | 1493 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1494 | long sz, vlen, ans; |
1146b6cd GH |
1495 | long cstart = 0; |
1496 | long cend; | |
1497 | long offset = 0; | |
405aaef9 | 1498 | char *base; |
35de7ebe | 1499 | |
0f2d19dd | 1500 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1501 | if (SCM_UNBNDP (port_or_fd)) |
1502 | port_or_fd = scm_cur_inp; | |
1503 | else | |
1504 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1505 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1506 | port_or_fd, SCM_ARG2, FUNC_NAME); |
74014c46 | 1507 | vlen = SCM_INUM (scm_uniform_vector_length (v)); |
35de7ebe | 1508 | |
0f2d19dd | 1509 | loop: |
35de7ebe | 1510 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1511 | { |
1512 | default: | |
276dd677 | 1513 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd JB |
1514 | case scm_tc7_smob: |
1515 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1516 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1517 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1518 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1519 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1520 | v = SCM_ARRAY_V (cra); | |
1521 | goto loop; | |
1522 | case scm_tc7_string: | |
74014c46 | 1523 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1524 | sz = sizeof (char); |
1525 | break; | |
1526 | case scm_tc7_bvect: | |
74014c46 | 1527 | base = (char *) SCM_BITVECTOR_BASE (v); |
3d8d56df | 1528 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1529 | cstart /= SCM_LONG_BIT; |
74014c46 DH |
1530 | sz = sizeof (long); |
1531 | break; | |
1532 | case scm_tc7_byvect: | |
1533 | base = (char *) SCM_UVECTOR_BASE (v); | |
1534 | sz = sizeof (char); | |
1535 | break; | |
0f2d19dd JB |
1536 | case scm_tc7_uvect: |
1537 | case scm_tc7_ivect: | |
74014c46 | 1538 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1539 | sz = sizeof (long); |
1540 | break; | |
1541 | case scm_tc7_svect: | |
74014c46 | 1542 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1543 | sz = sizeof (short); |
1544 | break; | |
5c11cc9d | 1545 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1546 | case scm_tc7_llvect: |
74014c46 | 1547 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1548 | sz = sizeof (long_long); |
1549 | break; | |
1550 | #endif | |
0f2d19dd | 1551 | case scm_tc7_fvect: |
74014c46 | 1552 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1553 | sz = sizeof (float); |
1554 | break; | |
0f2d19dd | 1555 | case scm_tc7_dvect: |
74014c46 | 1556 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1557 | sz = sizeof (double); |
1558 | break; | |
1559 | case scm_tc7_cvect: | |
74014c46 | 1560 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1561 | sz = 2 * sizeof (double); |
1562 | break; | |
0f2d19dd | 1563 | } |
405aaef9 | 1564 | |
1146b6cd GH |
1565 | cend = vlen; |
1566 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1567 | { |
1146b6cd | 1568 | offset = |
4638e087 | 1569 | SCM_NUM2LONG (3, start); |
35de7ebe | 1570 | |
1146b6cd | 1571 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1572 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1573 | |
1574 | if (!SCM_UNBNDP (end)) | |
1575 | { | |
1576 | long tend = | |
4638e087 | 1577 | SCM_NUM2LONG (4, end); |
3d8d56df | 1578 | |
1146b6cd | 1579 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1580 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1581 | cend = tend; |
1582 | } | |
0f2d19dd | 1583 | } |
35de7ebe | 1584 | |
3d8d56df GH |
1585 | if (SCM_NIMP (port_or_fd)) |
1586 | { | |
6c951427 GH |
1587 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1588 | int remaining = (cend - offset) * sz; | |
405aaef9 | 1589 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1590 | |
1591 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1592 | scm_flush (port_or_fd); |
6c951427 GH |
1593 | |
1594 | ans = cend - offset; | |
1595 | while (remaining > 0) | |
3d8d56df | 1596 | { |
6c951427 GH |
1597 | if (pt->read_pos < pt->read_end) |
1598 | { | |
1599 | int to_copy = min (pt->read_end - pt->read_pos, | |
1600 | remaining); | |
1601 | ||
1602 | memcpy (dest, pt->read_pos, to_copy); | |
1603 | pt->read_pos += to_copy; | |
1604 | remaining -= to_copy; | |
1605 | dest += to_copy; | |
1606 | } | |
1607 | else | |
1608 | { | |
affc96b5 | 1609 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1610 | { |
1611 | if (remaining % sz != 0) | |
1612 | { | |
5d2d2ffc | 1613 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1614 | } |
1615 | ans -= remaining / sz; | |
1616 | break; | |
1617 | } | |
6c951427 | 1618 | } |
3d8d56df | 1619 | } |
6c951427 GH |
1620 | |
1621 | if (pt->rw_random) | |
1622 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1623 | } |
1624 | else /* file descriptor. */ | |
1625 | { | |
1626 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1627 | base + (cstart + offset) * sz, |
1146b6cd | 1628 | (scm_sizet) (sz * (cend - offset)))); |
3d8d56df | 1629 | if (ans == -1) |
1bbd0b84 | 1630 | SCM_SYSERROR; |
3d8d56df | 1631 | } |
0f2d19dd JB |
1632 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1633 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1634 | |
fee7ef83 | 1635 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1636 | scm_array_copy_x (cra, ra); |
35de7ebe | 1637 | |
0f2d19dd JB |
1638 | return SCM_MAKINUM (ans); |
1639 | } | |
1bbd0b84 | 1640 | #undef FUNC_NAME |
0f2d19dd | 1641 | |
3b3b36dd | 1642 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1643 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1644 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
1645 | "Writes all elements of @var{ura} as binary objects to\n" | |
1646 | "@var{port-or-fdes}.\n\n" | |
1647 | "The optional arguments @var{start}\n" | |
1648 | "and @var{end} allow\n" | |
1649 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
1650 | "The number of objects actually written is returned. \n" | |
1651 | "@var{port-or-fdes} may be\n" | |
1652 | "omitted, in which case it defaults to the value returned by\n" | |
1653 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1654 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1655 | { |
3d8d56df | 1656 | long sz, vlen, ans; |
1146b6cd GH |
1657 | long offset = 0; |
1658 | long cstart = 0; | |
1659 | long cend; | |
405aaef9 | 1660 | char *base; |
3d8d56df | 1661 | |
78446828 MV |
1662 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1663 | ||
0f2d19dd | 1664 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1665 | if (SCM_UNBNDP (port_or_fd)) |
1666 | port_or_fd = scm_cur_outp; | |
1667 | else | |
1668 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1669 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1670 | port_or_fd, SCM_ARG2, FUNC_NAME); |
74014c46 | 1671 | vlen = SCM_INUM (scm_uniform_vector_length (v)); |
3d8d56df | 1672 | |
0f2d19dd | 1673 | loop: |
3d8d56df | 1674 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1675 | { |
1676 | default: | |
276dd677 | 1677 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1678 | case scm_tc7_smob: |
1679 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1680 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1681 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1682 | vlen = SCM_ARRAY_DIMS (v)->inc |
1683 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1684 | v = SCM_ARRAY_V (v); |
1685 | goto loop; | |
0f2d19dd | 1686 | case scm_tc7_string: |
74014c46 | 1687 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1688 | sz = sizeof (char); |
1689 | break; | |
1690 | case scm_tc7_bvect: | |
74014c46 | 1691 | base = (char *) SCM_BITVECTOR_BASE (v); |
3d8d56df | 1692 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1693 | cstart /= SCM_LONG_BIT; |
74014c46 DH |
1694 | sz = sizeof (long); |
1695 | break; | |
1696 | case scm_tc7_byvect: | |
1697 | base = (char *) SCM_UVECTOR_BASE (v); | |
1698 | sz = sizeof (char); | |
1699 | break; | |
0f2d19dd JB |
1700 | case scm_tc7_uvect: |
1701 | case scm_tc7_ivect: | |
74014c46 | 1702 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1703 | sz = sizeof (long); |
1704 | break; | |
1705 | case scm_tc7_svect: | |
74014c46 | 1706 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1707 | sz = sizeof (short); |
1708 | break; | |
5c11cc9d | 1709 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1710 | case scm_tc7_llvect: |
74014c46 | 1711 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1712 | sz = sizeof (long_long); |
1713 | break; | |
1714 | #endif | |
0f2d19dd | 1715 | case scm_tc7_fvect: |
74014c46 | 1716 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1717 | sz = sizeof (float); |
1718 | break; | |
0f2d19dd | 1719 | case scm_tc7_dvect: |
74014c46 | 1720 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1721 | sz = sizeof (double); |
1722 | break; | |
1723 | case scm_tc7_cvect: | |
74014c46 | 1724 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1725 | sz = 2 * sizeof (double); |
1726 | break; | |
0f2d19dd | 1727 | } |
3d8d56df | 1728 | |
1146b6cd GH |
1729 | cend = vlen; |
1730 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1731 | { |
1146b6cd | 1732 | offset = |
4638e087 | 1733 | SCM_NUM2LONG (3, start); |
3d8d56df | 1734 | |
1146b6cd | 1735 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1736 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1737 | |
1738 | if (!SCM_UNBNDP (end)) | |
1739 | { | |
1740 | long tend = | |
4638e087 | 1741 | SCM_NUM2LONG (4, end); |
3d8d56df | 1742 | |
1146b6cd | 1743 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1744 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1745 | cend = tend; |
1746 | } | |
3d8d56df GH |
1747 | } |
1748 | ||
1749 | if (SCM_NIMP (port_or_fd)) | |
1750 | { | |
405aaef9 | 1751 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1752 | |
1753 | ans = cend - offset; | |
265e6a4d | 1754 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1755 | } |
1756 | else /* file descriptor. */ | |
1757 | { | |
1758 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1759 | base + (cstart + offset) * sz, |
1146b6cd | 1760 | (scm_sizet) (sz * (cend - offset)))); |
3d8d56df | 1761 | if (ans == -1) |
1bbd0b84 | 1762 | SCM_SYSERROR; |
3d8d56df | 1763 | } |
0f2d19dd JB |
1764 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1765 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1766 | |
0f2d19dd JB |
1767 | return SCM_MAKINUM (ans); |
1768 | } | |
1bbd0b84 | 1769 | #undef FUNC_NAME |
0f2d19dd JB |
1770 | |
1771 | ||
1772 | static char cnt_tab[16] = | |
1773 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1774 | ||
3b3b36dd | 1775 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1776 | (SCM b, SCM bitvector), |
1e6808ea | 1777 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1778 | "@var{bitvector}.") |
1bbd0b84 | 1779 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1780 | { |
44e47754 | 1781 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1782 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1783 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1784 | return SCM_INUM0; |
1785 | } else { | |
1786 | unsigned long int count = 0; | |
74014c46 | 1787 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; |
44e47754 DH |
1788 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); |
1789 | if (SCM_FALSEP (b)) { | |
1790 | w = ~w; | |
1791 | }; | |
74014c46 | 1792 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1793 | while (1) { |
1794 | while (w) { | |
1795 | count += cnt_tab[w & 0x0f]; | |
1796 | w >>= 4; | |
1797 | } | |
1798 | if (i == 0) { | |
1799 | return SCM_MAKINUM (count); | |
1800 | } else { | |
1801 | --i; | |
1802 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1803 | if (SCM_FALSEP (b)) { | |
1804 | w = ~w; | |
0f2d19dd | 1805 | } |
44e47754 | 1806 | } |
0f2d19dd | 1807 | } |
44e47754 | 1808 | } |
0f2d19dd | 1809 | } |
1bbd0b84 | 1810 | #undef FUNC_NAME |
0f2d19dd JB |
1811 | |
1812 | ||
3b3b36dd | 1813 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1814 | (SCM item, SCM v, SCM k), |
1e6808ea MG |
1815 | "Return the minimum index of an occurrence of @var{bool} in\n" |
1816 | "@var{bv} which is at least @var{k}. If no @var{bool} occurs\n" | |
1817 | "within the specified range @code{#f} is returned.") | |
1bbd0b84 | 1818 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1819 | { |
1bbd0b84 | 1820 | long i, lenw, xbits, pos; |
0f2d19dd | 1821 | register unsigned long w; |
74014c46 DH |
1822 | |
1823 | SCM_VALIDATE_BOOL (1, item); | |
1824 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
3b3b36dd | 1825 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
74014c46 DH |
1826 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1827 | ||
1828 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1829 | return SCM_BOOL_F; |
74014c46 DH |
1830 | |
1831 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1832 | i = pos / SCM_LONG_BIT; | |
1833 | w = SCM_UNPACK (SCM_VELTS (v)[i]); | |
1834 | if (SCM_FALSEP (item)) | |
1835 | w = ~w; | |
1836 | xbits = (pos % SCM_LONG_BIT); | |
1837 | pos -= xbits; | |
1838 | w = ((w >> xbits) << xbits); | |
1839 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1840 | while (!0) | |
1841 | { | |
1842 | if (w && (i == lenw)) | |
1843 | w = ((w << xbits) >> xbits); | |
1844 | if (w) | |
1845 | while (w) | |
1846 | switch (w & 0x0f) | |
1847 | { | |
1848 | default: | |
1849 | return SCM_MAKINUM (pos); | |
1850 | case 2: | |
1851 | case 6: | |
1852 | case 10: | |
1853 | case 14: | |
1854 | return SCM_MAKINUM (pos + 1); | |
1855 | case 4: | |
1856 | case 12: | |
1857 | return SCM_MAKINUM (pos + 2); | |
1858 | case 8: | |
1859 | return SCM_MAKINUM (pos + 3); | |
1860 | case 0: | |
1861 | pos += 4; | |
1862 | w >>= 4; | |
1863 | } | |
1864 | if (++i > lenw) | |
1865 | break; | |
1866 | pos += SCM_LONG_BIT; | |
f1267706 | 1867 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1868 | if (SCM_FALSEP (item)) |
1869 | w = ~w; | |
0f2d19dd | 1870 | } |
74014c46 | 1871 | return SCM_BOOL_F; |
0f2d19dd | 1872 | } |
1bbd0b84 | 1873 | #undef FUNC_NAME |
0f2d19dd JB |
1874 | |
1875 | ||
3b3b36dd | 1876 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 MG |
1877 | (SCM v, SCM kv, SCM obj), |
1878 | "If uve is a bit-vector @var{bv} and uve must be of the same\n" | |
1879 | "length. If @var{bool} is @code{#t}, uve is OR'ed into\n" | |
1880 | "@var{bv}; If @var{bool} is @code{#f}, the inversion of uve is\n" | |
1881 | "AND'ed into @var{bv}.\n\n" | |
1882 | "If uve is a unsigned integer vector all the elements of uve\n" | |
1883 | "must be between 0 and the @code{length} of @var{bv}. The bits\n" | |
1884 | "of @var{bv} corresponding to the indexes in uve are set to\n" | |
1885 | "@var{bool}. The return value is unspecified.") | |
1bbd0b84 | 1886 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1887 | { |
1888 | register long i, k, vlen; | |
74014c46 | 1889 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1890 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1891 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1892 | { |
1893 | default: | |
276dd677 | 1894 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1895 | case scm_tc7_uvect: |
74014c46 DH |
1896 | vlen = SCM_BITVECTOR_LENGTH (v); |
1897 | if (SCM_FALSEP (obj)) | |
1898 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1899 | { | |
1900 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1901 | if (k >= vlen) | |
1902 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1903 | SCM_BITVEC_CLR(v,k); | |
1904 | } | |
1905 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1906 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1907 | { | |
1908 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1909 | if (k >= vlen) | |
1910 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1911 | SCM_BITVEC_SET(v,k); | |
1912 | } | |
1913 | else | |
276dd677 | 1914 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1915 | break; |
1916 | case scm_tc7_bvect: | |
74014c46 | 1917 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
4260a7fc | 1918 | if (SCM_FALSEP (obj)) |
74014c46 | 1919 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
f1267706 | 1920 | SCM_UNPACK (SCM_VELTS (v)[k]) &= ~ SCM_UNPACK(SCM_VELTS (kv)[k]); |
9a09deb1 | 1921 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
74014c46 | 1922 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
f1267706 | 1923 | SCM_UNPACK (SCM_VELTS (v)[k]) |= SCM_UNPACK (SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1924 | else |
1925 | goto badarg3; | |
1926 | break; | |
1927 | } | |
1928 | return SCM_UNSPECIFIED; | |
1929 | } | |
1bbd0b84 | 1930 | #undef FUNC_NAME |
0f2d19dd JB |
1931 | |
1932 | ||
3b3b36dd | 1933 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1934 | (SCM v, SCM kv, SCM obj), |
1e6808ea MG |
1935 | "Return\n" |
1936 | "@lisp\n" | |
b380b885 | 1937 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" |
1e6808ea | 1938 | "@end lisp\n" |
b380b885 | 1939 | "@var{bv} is not modified.") |
1bbd0b84 | 1940 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1941 | { |
1942 | register long i, vlen, count = 0; | |
1943 | register unsigned long k; | |
41b0806d | 1944 | int fObj = 0; |
c209c88e | 1945 | |
74014c46 | 1946 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1947 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1948 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1949 | { |
1950 | default: | |
c209c88e | 1951 | badarg2: |
276dd677 | 1952 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1953 | case scm_tc7_uvect: |
74014c46 DH |
1954 | vlen = SCM_BITVECTOR_LENGTH (v); |
1955 | if (SCM_FALSEP (obj)) | |
1956 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1957 | { | |
1958 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1959 | if (k >= vlen) | |
1960 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1961 | if (!SCM_BITVEC_REF(v,k)) | |
1962 | count++; | |
1963 | } | |
1964 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1965 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1966 | { | |
1967 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1968 | if (k >= vlen) | |
1969 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1970 | if (SCM_BITVEC_REF (v,k)) | |
1971 | count++; | |
1972 | } | |
1973 | else | |
276dd677 | 1974 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1975 | break; |
1976 | case scm_tc7_bvect: | |
74014c46 DH |
1977 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1978 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1979 | return SCM_INUM0; |
4260a7fc | 1980 | SCM_ASRTGO (SCM_BOOLP (obj), badarg3); |
9a09deb1 | 1981 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
74014c46 | 1982 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
f1267706 | 1983 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); |
74014c46 | 1984 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); |
c209c88e | 1985 | while (1) |
0f2d19dd JB |
1986 | { |
1987 | for (; k; k >>= 4) | |
1988 | count += cnt_tab[k & 0x0f]; | |
1989 | if (0 == i--) | |
1990 | return SCM_MAKINUM (count); | |
c209c88e GB |
1991 | |
1992 | /* urg. repetitive (see above.) */ | |
f1267706 | 1993 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1994 | } |
1995 | } | |
1996 | return SCM_MAKINUM (count); | |
1997 | } | |
1bbd0b84 | 1998 | #undef FUNC_NAME |
0f2d19dd JB |
1999 | |
2000 | ||
3b3b36dd | 2001 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 2002 | (SCM v), |
b380b885 | 2003 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 2004 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2005 | { |
74014c46 DH |
2006 | long int k; |
2007 | ||
2008 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2009 | ||
2010 | k = SCM_BITVECTOR_LENGTH (v); | |
2011 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
2012 | SCM_UNPACK (SCM_VELTS (v)[k]) = ~SCM_UNPACK (SCM_VELTS (v)[k]); | |
2013 | ||
0f2d19dd JB |
2014 | return SCM_UNSPECIFIED; |
2015 | } | |
1bbd0b84 | 2016 | #undef FUNC_NAME |
0f2d19dd JB |
2017 | |
2018 | ||
0f2d19dd | 2019 | SCM |
1bbd0b84 | 2020 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2021 | { |
2022 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
2023 | long *data = (long *) SCM_VELTS (v); | |
2024 | register unsigned long mask; | |
2025 | register long k; | |
2026 | register long j; | |
2027 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
2028 | { | |
2029 | data[k] = 0L; | |
2030 | j = len - k * SCM_LONG_BIT; | |
2031 | if (j > SCM_LONG_BIT) | |
2032 | j = SCM_LONG_BIT; | |
2033 | for (mask = 1L; j--; mask <<= 1) | |
2034 | switch (*str++) | |
2035 | { | |
2036 | case '0': | |
2037 | break; | |
2038 | case '1': | |
2039 | data[k] |= mask; | |
2040 | break; | |
2041 | default: | |
2042 | return SCM_BOOL_F; | |
2043 | } | |
2044 | } | |
2045 | return v; | |
2046 | } | |
2047 | ||
2048 | ||
1cc91f1b | 2049 | |
0f2d19dd | 2050 | static SCM |
1bbd0b84 | 2051 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
2052 | { |
2053 | register SCM res = SCM_EOL; | |
2054 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2055 | register scm_sizet i; | |
2056 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
2057 | return SCM_EOL; | |
2058 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2059 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2060 | { | |
2061 | do | |
2062 | { | |
2063 | i -= inc; | |
2064 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2065 | } | |
2066 | while (i != base); | |
2067 | } | |
2068 | else | |
2069 | do | |
2070 | { | |
2071 | i -= inc; | |
2072 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2073 | } | |
2074 | while (i != base); | |
2075 | return res; | |
2076 | } | |
2077 | ||
2078 | ||
3b3b36dd | 2079 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2080 | (SCM v), |
1e6808ea MG |
2081 | "Return a list consisting of all the elements, in order, of\n" |
2082 | "@var{array}.") | |
1bbd0b84 | 2083 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2084 | { |
2085 | SCM res = SCM_EOL; | |
2086 | register long k; | |
2087 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 2088 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2089 | { |
2090 | default: | |
276dd677 | 2091 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2092 | case scm_tc7_smob: |
2093 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2094 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2095 | case scm_tc7_vector: | |
95f5b0f5 | 2096 | case scm_tc7_wvect: |
0f2d19dd JB |
2097 | return scm_vector_to_list (v); |
2098 | case scm_tc7_string: | |
2099 | return scm_string_to_list (v); | |
2100 | case scm_tc7_bvect: | |
2101 | { | |
2102 | long *data = (long *) SCM_VELTS (v); | |
2103 | register unsigned long mask; | |
74014c46 | 2104 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) |
cdbadcac | 2105 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2106 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
74014c46 | 2107 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2108 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2109 | return res; |
2110 | } | |
af7546eb DH |
2111 | case scm_tc7_byvect: |
2112 | { | |
2113 | signed char *data = (signed char *) SCM_VELTS (v); | |
2114 | scm_sizet k = SCM_UVECTOR_LENGTH (v); | |
2115 | while (k != 0) | |
2116 | res = scm_cons (SCM_MAKINUM (data[--k]), res); | |
2117 | return res; | |
2118 | } | |
2119 | case scm_tc7_uvect: | |
2120 | { | |
2121 | long *data = (long *)SCM_VELTS(v); | |
2122 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
2123 | res = scm_cons(scm_ulong2num(data[k]), res); | |
2124 | return res; | |
2125 | } | |
2126 | case scm_tc7_ivect: | |
2127 | { | |
2128 | long *data = (long *)SCM_VELTS(v); | |
2129 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
2130 | res = scm_cons(scm_long2num(data[k]), res); | |
2131 | return res; | |
2132 | } | |
2133 | case scm_tc7_svect: | |
2134 | { | |
2135 | short *data = (short *)SCM_VELTS(v); | |
2136 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
2137 | res = scm_cons(SCM_MAKINUM (data[k]), res); | |
2138 | return res; | |
2139 | } | |
5c11cc9d | 2140 | #ifdef HAVE_LONG_LONGS |
af7546eb DH |
2141 | case scm_tc7_llvect: |
2142 | { | |
2143 | long_long *data = (long_long *)SCM_VELTS(v); | |
2144 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
2145 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2146 | return res; | |
2147 | } | |
0f2d19dd | 2148 | #endif |
0f2d19dd JB |
2149 | case scm_tc7_fvect: |
2150 | { | |
2151 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2152 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
bc86da5d | 2153 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2154 | return res; |
2155 | } | |
0f2d19dd JB |
2156 | case scm_tc7_dvect: |
2157 | { | |
2158 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2159 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2160 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2161 | return res; |
2162 | } | |
2163 | case scm_tc7_cvect: | |
2164 | { | |
2165 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2166 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2167 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2168 | return res; |
2169 | } | |
0f2d19dd JB |
2170 | } |
2171 | } | |
1bbd0b84 | 2172 | #undef FUNC_NAME |
0f2d19dd JB |
2173 | |
2174 | ||
1bbd0b84 | 2175 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2176 | |
3b3b36dd | 2177 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2178 | (SCM ndim, SCM prot, SCM lst), |
b380b885 | 2179 | "@deffnx procedure list->uniform-vector prot lst\n" |
1e6808ea MG |
2180 | "Return a uniform array of the type indicated by prototype\n" |
2181 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2182 | "Elements must be of the appropriate type, no coercions are\n" | |
2183 | "done.") | |
1bbd0b84 | 2184 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2185 | { |
2186 | SCM shp = SCM_EOL; | |
2187 | SCM row = lst; | |
2188 | SCM ra; | |
2189 | scm_sizet k; | |
2190 | long n; | |
3b3b36dd | 2191 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2192 | while (k--) |
2193 | { | |
2194 | n = scm_ilength (row); | |
1bbd0b84 | 2195 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2196 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2197 | if (SCM_NIMP (row)) | |
2198 | row = SCM_CAR (row); | |
2199 | } | |
d12feca3 GH |
2200 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2201 | SCM_UNDEFINED); | |
0f2d19dd | 2202 | if (SCM_NULLP (shp)) |
0f2d19dd JB |
2203 | { |
2204 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2205 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2206 | return ra; | |
2207 | } | |
2208 | if (!SCM_ARRAYP (ra)) | |
2209 | { | |
74014c46 DH |
2210 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra)); |
2211 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) | |
0f2d19dd JB |
2212 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); |
2213 | return ra; | |
2214 | } | |
2215 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2216 | return ra; | |
2217 | else | |
276dd677 | 2218 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", SCM_LIST1 (lst)); |
0f2d19dd | 2219 | } |
1bbd0b84 | 2220 | #undef FUNC_NAME |
0f2d19dd | 2221 | |
0f2d19dd | 2222 | static int |
1bbd0b84 | 2223 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2224 | { |
2225 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2226 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2227 | int ok = 1; | |
2228 | if (n <= 0) | |
4260a7fc | 2229 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2230 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2231 | { | |
2232 | while (n--) | |
2233 | { | |
2234 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2235 | return 0; | |
2236 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2237 | base += inc; | |
2238 | lst = SCM_CDR (lst); | |
2239 | } | |
2240 | if (SCM_NNULLP (lst)) | |
2241 | return 0; | |
2242 | } | |
2243 | else | |
2244 | { | |
2245 | while (n--) | |
2246 | { | |
2247 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2248 | return 0; | |
baa702c8 | 2249 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); |
0f2d19dd JB |
2250 | base += inc; |
2251 | lst = SCM_CDR (lst); | |
2252 | } | |
2253 | if (SCM_NNULLP (lst)) | |
fee7ef83 | 2254 | return 0; |
0f2d19dd JB |
2255 | } |
2256 | return ok; | |
2257 | } | |
2258 | ||
1cc91f1b | 2259 | |
0f2d19dd | 2260 | static void |
1bbd0b84 | 2261 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2262 | { |
2263 | long inc = 1; | |
b8446ce8 MD |
2264 | long n = (SCM_TYP7 (ra) == scm_tc7_smob |
2265 | ? 0 | |
2266 | : SCM_INUM (scm_uniform_vector_length (ra))); | |
0f2d19dd JB |
2267 | int enclosed = 0; |
2268 | tail: | |
5c11cc9d | 2269 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2270 | { |
2271 | case scm_tc7_smob: | |
2272 | if (enclosed++) | |
2273 | { | |
2274 | SCM_ARRAY_BASE (ra) = j; | |
2275 | if (n-- > 0) | |
9882ea19 | 2276 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2277 | for (j += inc; n-- > 0; j += inc) |
2278 | { | |
b7f3516f | 2279 | scm_putc (' ', port); |
0f2d19dd | 2280 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2281 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2282 | } |
2283 | break; | |
2284 | } | |
2285 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2286 | { | |
2287 | long i; | |
2288 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2289 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2290 | { | |
b7f3516f | 2291 | scm_putc ('(', port); |
9882ea19 | 2292 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2293 | scm_puts (") ", port); |
0f2d19dd JB |
2294 | j += inc; |
2295 | } | |
2296 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2297 | { /* could be zero size. */ | |
b7f3516f | 2298 | scm_putc ('(', port); |
9882ea19 | 2299 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2300 | scm_putc (')', port); |
0f2d19dd JB |
2301 | } |
2302 | break; | |
2303 | } | |
2304 | if SCM_ARRAY_NDIM | |
2305 | (ra) | |
2306 | { /* Could be zero-dimensional */ | |
2307 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2308 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2309 | } | |
2310 | else | |
2311 | n = 1; | |
2312 | ra = SCM_ARRAY_V (ra); | |
2313 | goto tail; | |
2314 | default: | |
5c11cc9d | 2315 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2316 | if (n-- > 0) |
9882ea19 | 2317 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2318 | for (j += inc; n-- > 0; j += inc) |
2319 | { | |
b7f3516f | 2320 | scm_putc (' ', port); |
9882ea19 | 2321 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2322 | } |
2323 | break; | |
2324 | case scm_tc7_string: | |
2325 | if (n-- > 0) | |
322ac0c5 | 2326 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2327 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2328 | for (j += inc; n-- > 0; j += inc) |
2329 | { | |
b7f3516f | 2330 | scm_putc (' ', port); |
322ac0c5 | 2331 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2332 | } |
2333 | else | |
2334 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2335 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2336 | break; |
2337 | case scm_tc7_byvect: | |
2338 | if (n-- > 0) | |
4260a7fc | 2339 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2340 | for (j += inc; n-- > 0; j += inc) |
2341 | { | |
b7f3516f | 2342 | scm_putc (' ', port); |
4260a7fc | 2343 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2344 | } |
2345 | break; | |
2346 | ||
2347 | case scm_tc7_uvect: | |
5c11cc9d GH |
2348 | { |
2349 | char str[11]; | |
2350 | ||
2351 | if (n-- > 0) | |
2352 | { | |
2353 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2354 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2355 | scm_puts (str, port); |
2356 | } | |
2357 | for (j += inc; n-- > 0; j += inc) | |
2358 | { | |
2359 | scm_putc (' ', port); | |
fee7ef83 | 2360 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2361 | scm_puts (str, port); |
2362 | } | |
2363 | } | |
0f2d19dd JB |
2364 | case scm_tc7_ivect: |
2365 | if (n-- > 0) | |
fee7ef83 | 2366 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2367 | for (j += inc; n-- > 0; j += inc) |
2368 | { | |
b7f3516f | 2369 | scm_putc (' ', port); |
fee7ef83 | 2370 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2371 | } |
2372 | break; | |
2373 | ||
2374 | case scm_tc7_svect: | |
2375 | if (n-- > 0) | |
4260a7fc | 2376 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2377 | for (j += inc; n-- > 0; j += inc) |
2378 | { | |
b7f3516f | 2379 | scm_putc (' ', port); |
4260a7fc | 2380 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2381 | } |
2382 | break; | |
2383 | ||
0f2d19dd JB |
2384 | case scm_tc7_fvect: |
2385 | if (n-- > 0) | |
2386 | { | |
bc86da5d MD |
2387 | SCM z = scm_make_real (1.0); |
2388 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2389 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2390 | for (j += inc; n-- > 0; j += inc) |
2391 | { | |
b7f3516f | 2392 | scm_putc (' ', port); |
bc86da5d MD |
2393 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2394 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2395 | } |
2396 | } | |
2397 | break; | |
0f2d19dd JB |
2398 | case scm_tc7_dvect: |
2399 | if (n-- > 0) | |
2400 | { | |
bc86da5d MD |
2401 | SCM z = scm_make_real (1.0 / 3.0); |
2402 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2403 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2404 | for (j += inc; n-- > 0; j += inc) |
2405 | { | |
b7f3516f | 2406 | scm_putc (' ', port); |
bc86da5d MD |
2407 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2408 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2409 | } |
2410 | } | |
2411 | break; | |
2412 | case scm_tc7_cvect: | |
2413 | if (n-- > 0) | |
2414 | { | |
bc86da5d MD |
2415 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2416 | SCM_REAL_VALUE (z) = | |
2417 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2418 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2419 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2420 | port, pstate); | |
0f2d19dd JB |
2421 | for (j += inc; n-- > 0; j += inc) |
2422 | { | |
b7f3516f | 2423 | scm_putc (' ', port); |
bc86da5d MD |
2424 | SCM_REAL_VALUE (z) |
2425 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2426 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2427 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2428 | port, pstate); | |
0f2d19dd JB |
2429 | } |
2430 | } | |
2431 | break; | |
0f2d19dd JB |
2432 | } |
2433 | } | |
2434 | ||
2435 | ||
1cc91f1b | 2436 | |
0f2d19dd | 2437 | int |
1bbd0b84 | 2438 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2439 | { |
2440 | SCM v = exp; | |
2441 | scm_sizet base = 0; | |
b7f3516f | 2442 | scm_putc ('#', port); |
0f2d19dd | 2443 | tail: |
5c11cc9d | 2444 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2445 | { |
2446 | case scm_tc7_smob: | |
2447 | { | |
2448 | long ndim = SCM_ARRAY_NDIM (v); | |
2449 | base = SCM_ARRAY_BASE (v); | |
2450 | v = SCM_ARRAY_V (v); | |
2451 | if (SCM_ARRAYP (v)) | |
2452 | ||
2453 | { | |
b7f3516f | 2454 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2455 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2456 | scm_putc ('>', port); |
0f2d19dd JB |
2457 | return 1; |
2458 | } | |
2459 | else | |
2460 | { | |
2461 | scm_intprint (ndim, 10, port); | |
2462 | goto tail; | |
2463 | } | |
2464 | } | |
2465 | case scm_tc7_bvect: | |
fee7ef83 | 2466 | if (SCM_EQ_P (exp, v)) |
0f2d19dd JB |
2467 | { /* a uve, not an scm_array */ |
2468 | register long i, j, w; | |
b7f3516f | 2469 | scm_putc ('*', port); |
74014c46 | 2470 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2471 | { |
f1267706 | 2472 | scm_bits_t w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
0f2d19dd JB |
2473 | for (j = SCM_LONG_BIT; j; j--) |
2474 | { | |
b7f3516f | 2475 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2476 | w >>= 1; |
2477 | } | |
2478 | } | |
74014c46 | 2479 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2480 | if (j) |
2481 | { | |
74014c46 | 2482 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2483 | for (; j; j--) |
2484 | { | |
b7f3516f | 2485 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2486 | w >>= 1; |
2487 | } | |
2488 | } | |
2489 | return 1; | |
2490 | } | |
2491 | else | |
b7f3516f | 2492 | scm_putc ('b', port); |
0f2d19dd JB |
2493 | break; |
2494 | case scm_tc7_string: | |
b7f3516f | 2495 | scm_putc ('a', port); |
0f2d19dd JB |
2496 | break; |
2497 | case scm_tc7_byvect: | |
05c33d09 | 2498 | scm_putc ('y', port); |
0f2d19dd JB |
2499 | break; |
2500 | case scm_tc7_uvect: | |
b7f3516f | 2501 | scm_putc ('u', port); |
0f2d19dd JB |
2502 | break; |
2503 | case scm_tc7_ivect: | |
b7f3516f | 2504 | scm_putc ('e', port); |
0f2d19dd JB |
2505 | break; |
2506 | case scm_tc7_svect: | |
05c33d09 | 2507 | scm_putc ('h', port); |
0f2d19dd | 2508 | break; |
5c11cc9d | 2509 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2510 | case scm_tc7_llvect: |
5c11cc9d | 2511 | scm_putc ('l', port); |
0f2d19dd JB |
2512 | break; |
2513 | #endif | |
0f2d19dd | 2514 | case scm_tc7_fvect: |
b7f3516f | 2515 | scm_putc ('s', port); |
0f2d19dd | 2516 | break; |
0f2d19dd | 2517 | case scm_tc7_dvect: |
b7f3516f | 2518 | scm_putc ('i', port); |
0f2d19dd JB |
2519 | break; |
2520 | case scm_tc7_cvect: | |
b7f3516f | 2521 | scm_putc ('c', port); |
0f2d19dd | 2522 | break; |
0f2d19dd | 2523 | } |
b7f3516f | 2524 | scm_putc ('(', port); |
9882ea19 | 2525 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2526 | scm_putc (')', port); |
0f2d19dd JB |
2527 | return 1; |
2528 | } | |
2529 | ||
3b3b36dd | 2530 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2531 | (SCM ra), |
1e6808ea MG |
2532 | "Return an object that would produce an array of the same type\n" |
2533 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2534 | "@code{make-uniform-array}.") |
1bbd0b84 | 2535 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2536 | { |
2537 | int enclosed = 0; | |
2538 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2539 | loop: | |
74014c46 | 2540 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2541 | { |
2542 | default: | |
276dd677 | 2543 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2544 | case scm_tc7_smob: |
2545 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2546 | if (enclosed++) | |
2547 | return SCM_UNSPECIFIED; | |
2548 | ra = SCM_ARRAY_V (ra); | |
2549 | goto loop; | |
2550 | case scm_tc7_vector: | |
95f5b0f5 | 2551 | case scm_tc7_wvect: |
0f2d19dd JB |
2552 | return SCM_EOL; |
2553 | case scm_tc7_bvect: | |
2554 | return SCM_BOOL_T; | |
2555 | case scm_tc7_string: | |
7866a09b | 2556 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2557 | case scm_tc7_byvect: |
7866a09b | 2558 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2559 | case scm_tc7_uvect: |
2560 | return SCM_MAKINUM (1L); | |
2561 | case scm_tc7_ivect: | |
2562 | return SCM_MAKINUM (-1L); | |
2563 | case scm_tc7_svect: | |
38ae064c | 2564 | return scm_str2symbol ("s"); |
5c11cc9d | 2565 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2566 | case scm_tc7_llvect: |
38ae064c | 2567 | return scm_str2symbol ("l"); |
0f2d19dd | 2568 | #endif |
0f2d19dd | 2569 | case scm_tc7_fvect: |
bc86da5d | 2570 | return scm_make_real (1.0); |
0f2d19dd | 2571 | case scm_tc7_dvect: |
bc86da5d | 2572 | return scm_make_real (1.0 / 3.0); |
0f2d19dd | 2573 | case scm_tc7_cvect: |
bc86da5d | 2574 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2575 | } |
2576 | } | |
1bbd0b84 | 2577 | #undef FUNC_NAME |
0f2d19dd | 2578 | |
1cc91f1b | 2579 | |
0f2d19dd | 2580 | static SCM |
e841c3e0 | 2581 | array_mark (SCM ptr) |
0f2d19dd | 2582 | { |
0f2d19dd JB |
2583 | return SCM_ARRAY_V (ptr); |
2584 | } | |
2585 | ||
1cc91f1b | 2586 | |
0f2d19dd | 2587 | static scm_sizet |
e841c3e0 | 2588 | array_free (SCM ptr) |
0f2d19dd | 2589 | { |
405aaef9 | 2590 | scm_must_free (SCM_ARRAY_MEM (ptr)); |
0f2d19dd JB |
2591 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); |
2592 | } | |
2593 | ||
0f2d19dd JB |
2594 | void |
2595 | scm_init_unif () | |
0f2d19dd | 2596 | { |
e841c3e0 KN |
2597 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2598 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2599 | scm_set_smob_free (scm_tc16_array, array_free); | |
2600 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2601 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
0f2d19dd | 2602 | scm_add_feature ("array"); |
8dc9439f | 2603 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 2604 | #include "libguile/unif.x" |
8dc9439f | 2605 | #endif |
0f2d19dd | 2606 | } |
89e00824 ML |
2607 | |
2608 | /* | |
2609 | Local Variables: | |
2610 | c-file-style: "gnu" | |
2611 | End: | |
2612 | */ |