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bc86da5d | 1 | /* Copyright (C) 1995,1996,1997,1998, 2000 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
c209c88e GB |
45 | /* |
46 | This file has code for arrays in lots of variants (double, integer, | |
47 | unsigned etc. ). It suffers from hugely repetitive code because | |
48 | there is similar (but different) code for every variant included. (urg.) | |
49 | ||
50 | --hwn | |
51 | */ | |
0f2d19dd JB |
52 | \f |
53 | ||
54 | #include <stdio.h> | |
a0599745 MD |
55 | #include "libguile/_scm.h" |
56 | #include "libguile/chars.h" | |
57 | #include "libguile/eval.h" | |
58 | #include "libguile/fports.h" | |
59 | #include "libguile/smob.h" | |
60 | #include "libguile/strop.h" | |
61 | #include "libguile/feature.h" | |
62 | #include "libguile/root.h" | |
63 | #include "libguile/strings.h" | |
64 | #include "libguile/vectors.h" | |
65 | ||
66 | #include "libguile/validate.h" | |
67 | #include "libguile/unif.h" | |
68 | #include "libguile/ramap.h" | |
0f2d19dd | 69 | |
3d8d56df GH |
70 | #ifdef HAVE_UNISTD_H |
71 | #include <unistd.h> | |
72 | #endif | |
73 | ||
0f2d19dd JB |
74 | \f |
75 | /* The set of uniform scm_vector types is: | |
76 | * Vector of: Called: | |
77 | * unsigned char string | |
78 | * char byvect | |
79 | * boolean bvect | |
a515d287 MD |
80 | * signed long ivect |
81 | * unsigned long uvect | |
0f2d19dd JB |
82 | * float fvect |
83 | * double dvect | |
84 | * complex double cvect | |
85 | * short svect | |
5c11cc9d | 86 | * long long llvect |
0f2d19dd JB |
87 | */ |
88 | ||
89 | long scm_tc16_array; | |
90 | ||
afe5177e GH |
91 | /* return the size of an element in a uniform array or 0 if type not |
92 | found. */ | |
93 | scm_sizet | |
94 | scm_uniform_element_size (SCM obj) | |
0f2d19dd | 95 | { |
afe5177e | 96 | scm_sizet result; |
0f2d19dd | 97 | |
afe5177e | 98 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 99 | { |
0f2d19dd | 100 | case scm_tc7_bvect: |
0f2d19dd JB |
101 | case scm_tc7_uvect: |
102 | case scm_tc7_ivect: | |
afe5177e | 103 | result = sizeof (long); |
0f2d19dd | 104 | break; |
afe5177e | 105 | |
0f2d19dd | 106 | case scm_tc7_byvect: |
afe5177e | 107 | result = sizeof (char); |
0f2d19dd JB |
108 | break; |
109 | ||
110 | case scm_tc7_svect: | |
afe5177e | 111 | result = sizeof (short); |
0f2d19dd | 112 | break; |
afe5177e | 113 | |
5c11cc9d | 114 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 115 | case scm_tc7_llvect: |
afe5177e | 116 | result = sizeof (long_long); |
0f2d19dd JB |
117 | break; |
118 | #endif | |
119 | ||
0f2d19dd | 120 | case scm_tc7_fvect: |
afe5177e | 121 | result = sizeof (float); |
0f2d19dd | 122 | break; |
afe5177e | 123 | |
0f2d19dd | 124 | case scm_tc7_dvect: |
afe5177e | 125 | result = sizeof (double); |
0f2d19dd | 126 | break; |
afe5177e | 127 | |
0f2d19dd | 128 | case scm_tc7_cvect: |
afe5177e | 129 | result = 2 * sizeof (double); |
0f2d19dd | 130 | break; |
afe5177e GH |
131 | |
132 | default: | |
133 | result = 0; | |
0f2d19dd | 134 | } |
afe5177e | 135 | return result; |
0f2d19dd JB |
136 | } |
137 | ||
bc86da5d MD |
138 | /* Silly function used not to modify the semantics of the silly |
139 | * prototype system in order to be backward compatible. | |
140 | */ | |
141 | static int | |
142 | singp (SCM obj) | |
0f2d19dd | 143 | { |
bc86da5d MD |
144 | if (!SCM_SLOPPY_REALP (obj)) |
145 | return 0; | |
146 | else | |
147 | { | |
148 | double x = SCM_REAL_VALUE (obj); | |
149 | float fx = x; | |
150 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
151 | } | |
0f2d19dd | 152 | } |
1cc91f1b | 153 | |
0f2d19dd | 154 | SCM |
1bbd0b84 | 155 | scm_make_uve (long k, SCM prot) |
0f2d19dd JB |
156 | { |
157 | SCM v; | |
158 | long i, type; | |
9a09deb1 | 159 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd JB |
160 | { |
161 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); | |
162 | type = scm_tc7_bvect; | |
163 | } | |
4260a7fc | 164 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
0f2d19dd JB |
165 | { |
166 | i = sizeof (char) * k; | |
167 | type = scm_tc7_byvect; | |
168 | } | |
7866a09b | 169 | else if (SCM_CHARP (prot)) |
0f2d19dd JB |
170 | { |
171 | i = sizeof (char) * k; | |
172 | type = scm_tc7_string; | |
173 | } | |
174 | else if (SCM_INUMP (prot)) | |
175 | { | |
176 | i = sizeof (long) * k; | |
177 | if (SCM_INUM (prot) > 0) | |
178 | type = scm_tc7_uvect; | |
179 | else | |
180 | type = scm_tc7_ivect; | |
181 | } | |
74014c46 | 182 | else if (SCM_SYMBOLP (prot) && (1 == SCM_SYMBOL_LENGTH (prot))) |
0f2d19dd JB |
183 | { |
184 | char s; | |
185 | ||
86c991c2 | 186 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd JB |
187 | if (s == 's') |
188 | { | |
189 | i = sizeof (short) * k; | |
190 | type = scm_tc7_svect; | |
191 | } | |
5c11cc9d | 192 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
193 | else if (s == 'l') |
194 | { | |
195 | i = sizeof (long_long) * k; | |
196 | type = scm_tc7_llvect; | |
197 | } | |
198 | #endif | |
199 | else | |
200 | { | |
a8741caa | 201 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); |
0f2d19dd JB |
202 | } |
203 | } | |
204 | else | |
eb42e2f0 | 205 | if (SCM_IMP (prot) || !SCM_INEXACTP (prot)) |
0f2d19dd | 206 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d GH |
207 | /* no special scm_vector */ |
208 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); | |
bc86da5d | 209 | else if (singp (prot)) |
0f2d19dd JB |
210 | { |
211 | i = sizeof (float) * k; | |
212 | type = scm_tc7_fvect; | |
213 | } | |
eb42e2f0 | 214 | else if (SCM_COMPLEXP (prot)) |
0f2d19dd JB |
215 | { |
216 | i = 2 * sizeof (double) * k; | |
217 | type = scm_tc7_cvect; | |
218 | } | |
219 | else | |
220 | { | |
221 | i = sizeof (double) * k; | |
222 | type = scm_tc7_dvect; | |
223 | } | |
0f2d19dd JB |
224 | |
225 | SCM_NEWCELL (v); | |
226 | SCM_DEFER_INTS; | |
5c11cc9d | 227 | SCM_SETCHARS (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
0f2d19dd JB |
228 | SCM_SETLENGTH (v, (k < SCM_LENGTH_MAX ? k : SCM_LENGTH_MAX), type); |
229 | SCM_ALLOW_INTS; | |
230 | return v; | |
231 | } | |
232 | ||
3b3b36dd | 233 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1bbd0b84 | 234 | (SCM v), |
b380b885 | 235 | "Returns the number of elements in @var{uve}.") |
1bbd0b84 | 236 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
237 | { |
238 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 239 | switch SCM_TYP7 (v) |
0f2d19dd JB |
240 | { |
241 | default: | |
1bbd0b84 | 242 | badarg1:SCM_WTA(1,v); |
74014c46 DH |
243 | case scm_tc7_vector: |
244 | case scm_tc7_wvect: | |
245 | return SCM_MAKINUM (SCM_VECTOR_LENGTH (v)); | |
0f2d19dd | 246 | case scm_tc7_string: |
74014c46 DH |
247 | return SCM_MAKINUM (SCM_STRING_LENGTH (v)); |
248 | case scm_tc7_bvect: | |
249 | return SCM_MAKINUM (SCM_BITVECTOR_LENGTH (v)); | |
0f2d19dd JB |
250 | case scm_tc7_byvect: |
251 | case scm_tc7_uvect: | |
252 | case scm_tc7_ivect: | |
253 | case scm_tc7_fvect: | |
254 | case scm_tc7_dvect: | |
255 | case scm_tc7_cvect: | |
0f2d19dd | 256 | case scm_tc7_svect: |
5c11cc9d | 257 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
258 | case scm_tc7_llvect: |
259 | #endif | |
74014c46 | 260 | return SCM_MAKINUM (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
261 | } |
262 | } | |
1bbd0b84 | 263 | #undef FUNC_NAME |
0f2d19dd | 264 | |
3b3b36dd | 265 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 266 | (SCM v, SCM prot), |
b380b885 MD |
267 | "Returns @code{#t} if the @var{obj} is an array, and @code{#f} if not.\n\n" |
268 | "The @var{prototype} argument is used with uniform arrays and is described\n" | |
269 | "elsewhere.") | |
1bbd0b84 | 270 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
271 | { |
272 | int nprot; | |
273 | int enclosed; | |
274 | nprot = SCM_UNBNDP (prot); | |
275 | enclosed = 0; | |
276 | if (SCM_IMP (v)) | |
277 | return SCM_BOOL_F; | |
c209c88e GB |
278 | |
279 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 280 | { |
0f2d19dd JB |
281 | if (!SCM_ARRAYP (v)) |
282 | return SCM_BOOL_F; | |
283 | if (nprot) | |
284 | return SCM_BOOL_T; | |
285 | if (enclosed++) | |
286 | return SCM_BOOL_F; | |
287 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
288 | } |
289 | if (nprot) | |
290 | return SCM_BOOL(nprot); | |
291 | else | |
292 | { | |
293 | int protp = 0; | |
294 | ||
295 | switch (SCM_TYP7 (v)) | |
296 | { | |
297 | case scm_tc7_bvect: | |
9a09deb1 | 298 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
c209c88e | 299 | case scm_tc7_string: |
4260a7fc | 300 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
c209c88e | 301 | case scm_tc7_byvect: |
4260a7fc | 302 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
c209c88e GB |
303 | case scm_tc7_uvect: |
304 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
305 | case scm_tc7_ivect: | |
306 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
307 | ||
308 | case scm_tc7_svect: | |
309 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 310 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 311 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
5c11cc9d | 312 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
313 | case scm_tc7_llvect: |
314 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 315 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 316 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
0f2d19dd | 317 | #endif |
c209c88e | 318 | case scm_tc7_fvect: |
bc86da5d | 319 | protp = singp (prot); |
c209c88e GB |
320 | case scm_tc7_dvect: |
321 | protp = SCM_REALP(prot); | |
322 | case scm_tc7_cvect: | |
eb42e2f0 | 323 | protp = SCM_COMPLEXP(prot); |
c209c88e GB |
324 | case scm_tc7_vector: |
325 | case scm_tc7_wvect: | |
326 | protp = SCM_NULLP(prot); | |
327 | default: | |
328 | /* no default */ | |
329 | ; | |
330 | } | |
331 | return SCM_BOOL(protp); | |
0f2d19dd | 332 | } |
0f2d19dd | 333 | } |
1bbd0b84 | 334 | #undef FUNC_NAME |
0f2d19dd JB |
335 | |
336 | ||
3b3b36dd | 337 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 338 | (SCM ra), |
b380b885 MD |
339 | "Returns the number of dimensions of @var{obj}. If @var{obj} is not an\n" |
340 | "array, @code{0} is returned.") | |
1bbd0b84 | 341 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
342 | { |
343 | if (SCM_IMP (ra)) | |
1bbd0b84 | 344 | return SCM_INUM0; |
0f2d19dd JB |
345 | switch (SCM_TYP7 (ra)) |
346 | { | |
347 | default: | |
348 | return SCM_INUM0; | |
349 | case scm_tc7_string: | |
350 | case scm_tc7_vector: | |
95f5b0f5 | 351 | case scm_tc7_wvect: |
0f2d19dd JB |
352 | case scm_tc7_byvect: |
353 | case scm_tc7_uvect: | |
354 | case scm_tc7_ivect: | |
355 | case scm_tc7_fvect: | |
356 | case scm_tc7_cvect: | |
357 | case scm_tc7_dvect: | |
5c11cc9d | 358 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
359 | case scm_tc7_llvect: |
360 | #endif | |
361 | case scm_tc7_svect: | |
362 | return SCM_MAKINUM (1L); | |
363 | case scm_tc7_smob: | |
364 | if (SCM_ARRAYP (ra)) | |
365 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
366 | return SCM_INUM0; | |
367 | } | |
368 | } | |
1bbd0b84 | 369 | #undef FUNC_NAME |
0f2d19dd JB |
370 | |
371 | ||
3b3b36dd | 372 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 373 | (SCM ra), |
b380b885 MD |
374 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
375 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
376 | "@example\n" | |
377 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" | |
378 | "@end example") | |
1bbd0b84 | 379 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
380 | { |
381 | SCM res = SCM_EOL; | |
382 | scm_sizet k; | |
383 | scm_array_dim *s; | |
384 | if (SCM_IMP (ra)) | |
1bbd0b84 | 385 | return SCM_BOOL_F; |
0f2d19dd JB |
386 | switch (SCM_TYP7 (ra)) |
387 | { | |
388 | default: | |
389 | return SCM_BOOL_F; | |
390 | case scm_tc7_string: | |
391 | case scm_tc7_vector: | |
95f5b0f5 | 392 | case scm_tc7_wvect: |
0f2d19dd JB |
393 | case scm_tc7_bvect: |
394 | case scm_tc7_byvect: | |
395 | case scm_tc7_uvect: | |
396 | case scm_tc7_ivect: | |
397 | case scm_tc7_fvect: | |
398 | case scm_tc7_cvect: | |
399 | case scm_tc7_dvect: | |
400 | case scm_tc7_svect: | |
5c11cc9d | 401 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
402 | case scm_tc7_llvect: |
403 | #endif | |
74014c46 | 404 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
405 | case scm_tc7_smob: |
406 | if (!SCM_ARRAYP (ra)) | |
407 | return SCM_BOOL_F; | |
408 | k = SCM_ARRAY_NDIM (ra); | |
409 | s = SCM_ARRAY_DIMS (ra); | |
410 | while (k--) | |
e2d37336 MD |
411 | res = scm_cons (s[k].lbnd |
412 | ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), | |
413 | SCM_MAKINUM (s[k].ubnd), | |
414 | SCM_EOL) | |
415 | : SCM_MAKINUM (1 + s[k].ubnd), | |
416 | res); | |
0f2d19dd JB |
417 | return res; |
418 | } | |
419 | } | |
1bbd0b84 | 420 | #undef FUNC_NAME |
0f2d19dd JB |
421 | |
422 | ||
e2d37336 MD |
423 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
424 | (SCM ra), | |
425 | "Return the root vector of a shared array.") | |
426 | #define FUNC_NAME s_scm_shared_array_root | |
427 | { | |
428 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
429 | return SCM_ARRAY_V (ra); | |
430 | } | |
431 | #undef FUNC_NAME | |
432 | ||
433 | ||
434 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
435 | (SCM ra), | |
436 | "Return the root vector index of the first element in the array.") | |
437 | #define FUNC_NAME s_scm_shared_array_offset | |
438 | { | |
439 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
440 | return SCM_MAKINUM (SCM_ARRAY_BASE (ra)); | |
441 | } | |
442 | #undef FUNC_NAME | |
443 | ||
444 | ||
445 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
446 | (SCM ra), | |
447 | "For each dimension, return the distance between elements in the root vector.") | |
448 | #define FUNC_NAME s_scm_shared_array_increments | |
449 | { | |
450 | SCM res = SCM_EOL; | |
451 | scm_sizet k; | |
452 | scm_array_dim *s; | |
453 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
454 | k = SCM_ARRAY_NDIM (ra); | |
455 | s = SCM_ARRAY_DIMS (ra); | |
456 | while (k--) | |
457 | res = scm_cons (SCM_MAKINUM (s[k].inc), res); | |
458 | return res; | |
459 | } | |
460 | #undef FUNC_NAME | |
461 | ||
462 | ||
0f2d19dd JB |
463 | static char s_bad_ind[] = "Bad scm_array index"; |
464 | ||
1cc91f1b | 465 | |
0f2d19dd | 466 | long |
1bbd0b84 | 467 | scm_aind (SCM ra, SCM args, const char *what) |
0f2d19dd JB |
468 | { |
469 | SCM ind; | |
470 | register long j; | |
471 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
472 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
473 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
474 | if (SCM_INUMP (args)) | |
0f2d19dd | 475 | { |
f5bf2977 | 476 | SCM_ASSERT (1 == k, scm_makfrom0str (what), SCM_WNA, NULL); |
0f2d19dd JB |
477 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
478 | } | |
479 | while (k && SCM_NIMP (args)) | |
480 | { | |
481 | ind = SCM_CAR (args); | |
482 | args = SCM_CDR (args); | |
483 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, what); | |
484 | j = SCM_INUM (ind); | |
685c0d71 DH |
485 | if (j < s->lbnd || j > s->ubnd) |
486 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
487 | pos += (j - s->lbnd) * (s->inc); |
488 | k--; | |
489 | s++; | |
490 | } | |
f5bf2977 GH |
491 | SCM_ASSERT (0 == k && SCM_NULLP (args), scm_makfrom0str (what), SCM_WNA, |
492 | NULL); | |
0f2d19dd JB |
493 | return pos; |
494 | } | |
495 | ||
496 | ||
1cc91f1b | 497 | |
0f2d19dd | 498 | SCM |
1bbd0b84 | 499 | scm_make_ra (int ndim) |
0f2d19dd JB |
500 | { |
501 | SCM ra; | |
502 | SCM_NEWCELL (ra); | |
503 | SCM_DEFER_INTS; | |
23a62151 MD |
504 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
505 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 506 | "array")); |
0f2d19dd JB |
507 | SCM_ARRAY_V (ra) = scm_nullvect; |
508 | SCM_ALLOW_INTS; | |
509 | return ra; | |
510 | } | |
511 | ||
512 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
513 | /* Increments will still need to be set. */ | |
514 | ||
1cc91f1b | 515 | |
0f2d19dd | 516 | SCM |
1bbd0b84 | 517 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
518 | { |
519 | scm_array_dim *s; | |
520 | SCM ra, spec, sp; | |
521 | int ndim = scm_ilength (args); | |
522 | SCM_ASSERT (0 <= ndim, args, s_bad_spec, what); | |
523 | ra = scm_make_ra (ndim); | |
524 | SCM_ARRAY_BASE (ra) = 0; | |
525 | s = SCM_ARRAY_DIMS (ra); | |
526 | for (; SCM_NIMP (args); s++, args = SCM_CDR (args)) | |
527 | { | |
528 | spec = SCM_CAR (args); | |
529 | if (SCM_IMP (spec)) | |
530 | ||
531 | { | |
20a54673 GH |
532 | SCM_ASSERT (SCM_INUMP (spec) && SCM_INUM (spec) >= 0, spec, |
533 | s_bad_spec, what); | |
0f2d19dd JB |
534 | s->lbnd = 0; |
535 | s->ubnd = SCM_INUM (spec) - 1; | |
536 | s->inc = 1; | |
537 | } | |
538 | else | |
539 | { | |
20a54673 GH |
540 | SCM_ASSERT (SCM_CONSP (spec) && SCM_INUMP (SCM_CAR (spec)), spec, |
541 | s_bad_spec, what); | |
0f2d19dd JB |
542 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
543 | sp = SCM_CDR (spec); | |
0c95b57d | 544 | SCM_ASSERT (SCM_CONSP (sp) |
20a54673 GH |
545 | && SCM_INUMP (SCM_CAR (sp)) && SCM_NULLP (SCM_CDR (sp)), |
546 | spec, s_bad_spec, what); | |
0f2d19dd JB |
547 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
548 | s->inc = 1; | |
549 | } | |
550 | } | |
551 | return ra; | |
552 | } | |
553 | ||
3b3b36dd | 554 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1bbd0b84 | 555 | (SCM dims, SCM prot, SCM fill), |
b380b885 MD |
556 | "@deffnx primitive make-uniform-vector length prototype [fill]\n" |
557 | "Creates and returns a uniform array or vector of type corresponding to\n" | |
558 | "@var{prototype} with dimensions @var{dims} or length @var{length}. If\n" | |
559 | "@var{fill} is supplied, it's used to fill the array, otherwise \n" | |
560 | "@var{prototype} is used.") | |
1bbd0b84 | 561 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd JB |
562 | { |
563 | scm_sizet k, vlen = 1; | |
564 | long rlen = 1; | |
565 | scm_array_dim *s; | |
566 | SCM ra; | |
567 | if (SCM_INUMP (dims)) | |
cda139a7 | 568 | { |
0f2d19dd JB |
569 | if (SCM_INUM (dims) < SCM_LENGTH_MAX) |
570 | { | |
5c11cc9d GH |
571 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
572 | ||
573 | if (!SCM_UNBNDP (fill)) | |
574 | scm_array_fill_x (answer, fill); | |
0c95b57d | 575 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
576 | scm_array_fill_x (answer, SCM_MAKINUM (0)); |
577 | else | |
578 | scm_array_fill_x (answer, prot); | |
579 | return answer; | |
580 | } | |
581 | else | |
582 | dims = scm_cons (dims, SCM_EOL); | |
cda139a7 | 583 | } |
0c95b57d GB |
584 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
585 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 586 | ra = scm_shap2ra (dims, FUNC_NAME); |
898a256f | 587 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
588 | s = SCM_ARRAY_DIMS (ra); |
589 | k = SCM_ARRAY_NDIM (ra); | |
590 | while (k--) | |
591 | { | |
592 | s[k].inc = (rlen > 0 ? rlen : 0); | |
593 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; | |
594 | vlen *= (s[k].ubnd - s[k].lbnd + 1); | |
595 | } | |
596 | if (rlen < SCM_LENGTH_MAX) | |
597 | SCM_ARRAY_V (ra) = scm_make_uve ((rlen > 0 ? rlen : 0L), prot); | |
598 | else | |
599 | { | |
600 | scm_sizet bit; | |
601 | switch (SCM_TYP7 (scm_make_uve (0L, prot))) | |
602 | { | |
603 | default: | |
604 | bit = SCM_LONG_BIT; | |
605 | break; | |
606 | case scm_tc7_bvect: | |
607 | bit = 1; | |
608 | break; | |
609 | case scm_tc7_string: | |
610 | bit = SCM_CHAR_BIT; | |
611 | break; | |
612 | case scm_tc7_fvect: | |
613 | bit = sizeof (float) * SCM_CHAR_BIT / sizeof (char); | |
614 | break; | |
615 | case scm_tc7_dvect: | |
616 | bit = sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
617 | break; | |
618 | case scm_tc7_cvect: | |
619 | bit = 2 * sizeof (double) * SCM_CHAR_BIT / sizeof (char); | |
620 | break; | |
621 | } | |
622 | SCM_ARRAY_BASE (ra) = (SCM_LONG_BIT + bit - 1) / bit; | |
623 | rlen += SCM_ARRAY_BASE (ra); | |
624 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); | |
625 | *((long *) SCM_VELTS (SCM_ARRAY_V (ra))) = rlen; | |
626 | } | |
5c11cc9d | 627 | if (!SCM_UNBNDP (fill)) |
0f2d19dd | 628 | { |
5c11cc9d | 629 | scm_array_fill_x (ra, fill); |
0f2d19dd | 630 | } |
0c95b57d | 631 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
632 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
633 | else | |
634 | scm_array_fill_x (ra, prot); | |
635 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) | |
636 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
637 | return SCM_ARRAY_V (ra); | |
638 | return ra; | |
639 | } | |
1bbd0b84 | 640 | #undef FUNC_NAME |
0f2d19dd | 641 | |
1cc91f1b | 642 | |
0f2d19dd | 643 | void |
1bbd0b84 | 644 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
645 | { |
646 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 647 | if (k) |
0f2d19dd | 648 | { |
fe0c6dae JB |
649 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
650 | while (k--) | |
0f2d19dd | 651 | { |
fe0c6dae JB |
652 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
653 | { | |
898a256f | 654 | SCM_SETAND_CAR (ra, ~SCM_ARRAY_CONTIGUOUS); |
fe0c6dae JB |
655 | return; |
656 | } | |
657 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
658 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 659 | } |
0f2d19dd | 660 | } |
898a256f | 661 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
662 | } |
663 | ||
664 | ||
3b3b36dd | 665 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 666 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
667 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
668 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
669 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
670 | "linear, and its range must stay within the bounds of the old array, but\n" | |
671 | "it can be otherwise arbitrary. A simple example:\n" | |
672 | "@example\n" | |
673 | "(define fred (make-array #f 8 8))\n" | |
674 | "(define freds-diagonal\n" | |
675 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
676 | "(array-set! freds-diagonal 'foo 3)\n" | |
677 | "(array-ref fred 3 3) @result{} foo\n" | |
678 | "(define freds-center\n" | |
679 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
680 | "(array-ref freds-center 0 0) @result{} foo\n" | |
681 | "@end example") | |
1bbd0b84 | 682 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
683 | { |
684 | SCM ra; | |
685 | SCM inds, indptr; | |
686 | SCM imap; | |
687 | scm_sizet i, k; | |
688 | long old_min, new_min, old_max, new_max; | |
689 | scm_array_dim *s; | |
3b3b36dd GB |
690 | SCM_VALIDATE_ARRAY (1,oldra); |
691 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 692 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
693 | if (SCM_ARRAYP (oldra)) |
694 | { | |
695 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
696 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
697 | s = SCM_ARRAY_DIMS (oldra); | |
698 | k = SCM_ARRAY_NDIM (oldra); | |
699 | while (k--) | |
700 | { | |
701 | if (s[k].inc > 0) | |
702 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
703 | else | |
704 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
705 | } | |
706 | } | |
707 | else | |
708 | { | |
709 | SCM_ARRAY_V (ra) = oldra; | |
710 | old_min = 0; | |
74014c46 | 711 | old_max = SCM_INUM (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
712 | } |
713 | inds = SCM_EOL; | |
714 | s = SCM_ARRAY_DIMS (ra); | |
715 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
716 | { | |
717 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
718 | if (s[k].ubnd < s[k].lbnd) | |
719 | { | |
720 | if (1 == SCM_ARRAY_NDIM (ra)) | |
721 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
722 | else | |
723 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
724 | return ra; | |
725 | } | |
726 | } | |
92396c0a | 727 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 728 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 729 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
730 | else |
731 | { | |
732 | if (SCM_NINUMP (imap)) | |
733 | ||
734 | { | |
735 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 736 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
737 | imap = SCM_CAR (imap); |
738 | } | |
739 | i = SCM_INUM (imap); | |
740 | } | |
741 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
742 | indptr = inds; | |
743 | k = SCM_ARRAY_NDIM (ra); | |
744 | while (k--) | |
745 | { | |
746 | if (s[k].ubnd > s[k].lbnd) | |
747 | { | |
898a256f | 748 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
749 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
750 | if (SCM_ARRAYP (oldra)) | |
751 | ||
1bbd0b84 | 752 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
753 | else |
754 | { | |
755 | if (SCM_NINUMP (imap)) | |
756 | ||
757 | { | |
758 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 759 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
760 | imap = SCM_CAR (imap); |
761 | } | |
762 | s[k].inc = (long) SCM_INUM (imap) - i; | |
763 | } | |
764 | i += s[k].inc; | |
765 | if (s[k].inc > 0) | |
766 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
767 | else | |
768 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
769 | } | |
770 | else | |
771 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
772 | indptr = SCM_CDR (indptr); | |
773 | } | |
774 | SCM_ASSERT (old_min <= new_min && old_max >= new_max, SCM_UNDEFINED, | |
1bbd0b84 | 775 | "mapping out of range", FUNC_NAME); |
0f2d19dd JB |
776 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
777 | { | |
74014c46 DH |
778 | SCM v = SCM_ARRAY_V (ra); |
779 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
780 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) | |
781 | return v; | |
0f2d19dd JB |
782 | if (s->ubnd < s->lbnd) |
783 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
784 | } | |
785 | scm_ra_set_contp (ra); | |
786 | return ra; | |
787 | } | |
1bbd0b84 | 788 | #undef FUNC_NAME |
0f2d19dd JB |
789 | |
790 | ||
791 | /* args are RA . DIMS */ | |
af45e3b0 DH |
792 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
793 | (SCM ra, SCM args), | |
b380b885 MD |
794 | "Returns an array sharing contents with @var{array}, but with dimensions\n" |
795 | "arranged in a different order. There must be one @var{dim} argument for\n" | |
796 | "each dimension of @var{array}. @var{dim0}, @var{dim1}, @dots{} should\n" | |
797 | "be integers between 0 and the rank of the array to be returned. Each\n" | |
798 | "integer in that range must appear at least once in the argument list.\n\n" | |
799 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to dimensions\n" | |
800 | "in the array to be returned, their positions in the argument list to\n" | |
801 | "dimensions of @var{array}. Several @var{dim}s may have the same value,\n" | |
802 | "in which case the returned array will have smaller rank than\n" | |
803 | "@var{array}.\n\n" | |
804 | "examples:\n" | |
805 | "@example\n" | |
806 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" | |
807 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
808 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
809 | " #2((a 4) (b 5) (c 6))\n" | |
810 | "@end example") | |
1bbd0b84 | 811 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 812 | { |
af45e3b0 | 813 | SCM res, vargs, *ve = &vargs; |
0f2d19dd JB |
814 | scm_array_dim *s, *r; |
815 | int ndim, i, k; | |
af45e3b0 | 816 | |
1bbd0b84 | 817 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 818 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
819 | { |
820 | default: | |
1bbd0b84 | 821 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
822 | case scm_tc7_bvect: |
823 | case scm_tc7_string: | |
824 | case scm_tc7_byvect: | |
825 | case scm_tc7_uvect: | |
826 | case scm_tc7_ivect: | |
827 | case scm_tc7_fvect: | |
828 | case scm_tc7_dvect: | |
829 | case scm_tc7_cvect: | |
830 | case scm_tc7_svect: | |
5c11cc9d | 831 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
832 | case scm_tc7_llvect: |
833 | #endif | |
af45e3b0 | 834 | SCM_ASSERT (!SCM_NULLP (args) && SCM_NULLP (SCM_CDR (args)), |
1bbd0b84 | 835 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 836 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), SCM_CAR (args), SCM_ARG2, |
1bbd0b84 | 837 | FUNC_NAME); |
685c0d71 DH |
838 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), |
839 | SCM_EQ_P (SCM_INUM0, SCM_CAR (args))); | |
0f2d19dd JB |
840 | return ra; |
841 | case scm_tc7_smob: | |
842 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
843 | vargs = scm_vector (args); | |
74014c46 | 844 | SCM_ASSERT (SCM_VECTOR_LENGTH (vargs) == SCM_ARRAY_NDIM (ra), |
1bbd0b84 | 845 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 846 | ve = SCM_VELTS (vargs); |
0f2d19dd JB |
847 | ndim = 0; |
848 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
849 | { | |
20a54673 | 850 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 851 | FUNC_NAME); |
0f2d19dd | 852 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
853 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
854 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
855 | if (ndim < i) |
856 | ndim = i; | |
857 | } | |
858 | ndim++; | |
859 | res = scm_make_ra (ndim); | |
860 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
861 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
862 | for (k = ndim; k--;) | |
863 | { | |
864 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
865 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
866 | } | |
867 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
868 | { | |
869 | i = SCM_INUM (ve[k]); | |
870 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
871 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
872 | if (r->ubnd < r->lbnd) | |
873 | { | |
874 | r->lbnd = s->lbnd; | |
875 | r->ubnd = s->ubnd; | |
876 | r->inc = s->inc; | |
877 | ndim--; | |
878 | } | |
879 | else | |
880 | { | |
881 | if (r->ubnd > s->ubnd) | |
882 | r->ubnd = s->ubnd; | |
883 | if (r->lbnd < s->lbnd) | |
884 | { | |
885 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
886 | r->lbnd = s->lbnd; | |
887 | } | |
888 | r->inc += s->inc; | |
889 | } | |
890 | } | |
1bbd0b84 | 891 | SCM_ASSERT (ndim <= 0, args, "bad argument list", FUNC_NAME); |
0f2d19dd JB |
892 | scm_ra_set_contp (res); |
893 | return res; | |
894 | } | |
895 | } | |
1bbd0b84 | 896 | #undef FUNC_NAME |
0f2d19dd JB |
897 | |
898 | /* args are RA . AXES */ | |
af45e3b0 DH |
899 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
900 | (SCM ra, SCM axes), | |
b380b885 MD |
901 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
902 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
903 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
904 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
905 | "the dimensions of the outer array are the same as those of the original\n" | |
906 | "array that did not match a @var{dim}.\n\n" | |
907 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
908 | "be set using @code{array-set!}. Two references to the same element of\n" | |
909 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
910 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
911 | "enclosed array is unspecified.\n\n" | |
912 | "examples:\n" | |
913 | "@example\n" | |
914 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" | |
915 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
916 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
917 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
918 | "@end example") | |
1bbd0b84 | 919 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 920 | { |
af45e3b0 | 921 | SCM axv, res, ra_inr; |
0f2d19dd JB |
922 | scm_array_dim vdim, *s = &vdim; |
923 | int ndim, j, k, ninr, noutr; | |
af45e3b0 | 924 | |
0f2d19dd | 925 | if (SCM_NULLP (axes)) |
0f2d19dd JB |
926 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
927 | ninr = scm_ilength (axes); | |
af45e3b0 | 928 | SCM_ASSERT (0 <= ninr, scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
0f2d19dd JB |
929 | ra_inr = scm_make_ra (ninr); |
930 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 931 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
932 | { |
933 | default: | |
1bbd0b84 | 934 | badarg1:SCM_WTA (1,ra); |
0f2d19dd JB |
935 | case scm_tc7_string: |
936 | case scm_tc7_bvect: | |
937 | case scm_tc7_byvect: | |
938 | case scm_tc7_uvect: | |
939 | case scm_tc7_ivect: | |
940 | case scm_tc7_fvect: | |
941 | case scm_tc7_dvect: | |
942 | case scm_tc7_cvect: | |
943 | case scm_tc7_vector: | |
95f5b0f5 | 944 | case scm_tc7_wvect: |
0f2d19dd | 945 | case scm_tc7_svect: |
5c11cc9d | 946 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
947 | case scm_tc7_llvect: |
948 | #endif | |
949 | s->lbnd = 0; | |
74014c46 | 950 | s->ubnd = SCM_INUM (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
951 | s->inc = 1; |
952 | SCM_ARRAY_V (ra_inr) = ra; | |
953 | SCM_ARRAY_BASE (ra_inr) = 0; | |
954 | ndim = 1; | |
955 | break; | |
956 | case scm_tc7_smob: | |
957 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
958 | s = SCM_ARRAY_DIMS (ra); | |
959 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
960 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
961 | ndim = SCM_ARRAY_NDIM (ra); | |
962 | break; | |
963 | } | |
964 | noutr = ndim - ninr; | |
7866a09b | 965 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
af45e3b0 | 966 | SCM_ASSERT (0 <= noutr, scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
0f2d19dd JB |
967 | res = scm_make_ra (noutr); |
968 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
969 | SCM_ARRAY_V (res) = ra_inr; | |
970 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
971 | { | |
1bbd0b84 | 972 | SCM_ASSERT (SCM_INUMP (SCM_CAR (axes)), SCM_CAR (axes), "bad axis", FUNC_NAME); |
0f2d19dd JB |
973 | j = SCM_INUM (SCM_CAR (axes)); |
974 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
975 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
976 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 977 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
978 | } |
979 | for (j = 0, k = 0; k < noutr; k++, j++) | |
980 | { | |
405aaef9 | 981 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
982 | j++; |
983 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
984 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
985 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
986 | } | |
987 | scm_ra_set_contp (ra_inr); | |
988 | scm_ra_set_contp (res); | |
989 | return res; | |
990 | } | |
1bbd0b84 | 991 | #undef FUNC_NAME |
0f2d19dd JB |
992 | |
993 | ||
994 | ||
af45e3b0 DH |
995 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
996 | (SCM v, SCM args), | |
b380b885 | 997 | "Returns @code{#t} if its arguments would be acceptable to 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 | |
0f2d19dd JB |
1006 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1007 | if (SCM_NIMP (args)) | |
1008 | ||
1009 | { | |
1010 | ind = SCM_CAR (args); | |
1011 | args = SCM_CDR (args); | |
1bbd0b84 | 1012 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1013 | pos = SCM_INUM (ind); |
1014 | } | |
1015 | tail: | |
74014c46 | 1016 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1017 | { |
1018 | default: | |
1bbd0b84 GB |
1019 | badarg1:SCM_WTA (1,v); |
1020 | wna: scm_wrong_num_args (scm_makfrom0str (FUNC_NAME)); | |
0f2d19dd JB |
1021 | case scm_tc7_smob: |
1022 | k = SCM_ARRAY_NDIM (v); | |
1023 | s = SCM_ARRAY_DIMS (v); | |
1024 | pos = SCM_ARRAY_BASE (v); | |
1025 | if (!k) | |
1026 | { | |
1027 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1028 | ind = SCM_INUM0; | |
1029 | } | |
1030 | else | |
1031 | while (!0) | |
1032 | { | |
1033 | j = SCM_INUM (ind); | |
1034 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1035 | { | |
1036 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1037 | return SCM_BOOL_F; | |
1038 | } | |
1039 | pos += (j - s->lbnd) * (s->inc); | |
1040 | if (!(--k && SCM_NIMP (args))) | |
1041 | break; | |
1042 | ind = SCM_CAR (args); | |
1043 | args = SCM_CDR (args); | |
1044 | s++; | |
1bbd0b84 | 1045 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
1046 | } |
1047 | SCM_ASRTGO (0 == k, wna); | |
1048 | v = SCM_ARRAY_V (v); | |
1049 | goto tail; | |
1050 | case scm_tc7_bvect: | |
1051 | case scm_tc7_string: | |
1052 | case scm_tc7_byvect: | |
1053 | case scm_tc7_uvect: | |
1054 | case scm_tc7_ivect: | |
1055 | case scm_tc7_fvect: | |
1056 | case scm_tc7_dvect: | |
1057 | case scm_tc7_cvect: | |
1058 | case scm_tc7_svect: | |
5c11cc9d | 1059 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1060 | case scm_tc7_llvect: |
1061 | #endif | |
1062 | case scm_tc7_vector: | |
95f5b0f5 | 1063 | case scm_tc7_wvect: |
74014c46 DH |
1064 | { |
1065 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
1066 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); | |
1067 | return SCM_BOOL(pos >= 0 && pos < length); | |
1068 | } | |
0f2d19dd JB |
1069 | } |
1070 | } | |
1bbd0b84 | 1071 | #undef FUNC_NAME |
0f2d19dd JB |
1072 | |
1073 | ||
1bbd0b84 | 1074 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1075 | |
1bbd0b84 | 1076 | |
3b3b36dd | 1077 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1078 | (SCM v, SCM args), |
ec57ce2e | 1079 | "@deffnx primitive array-ref v . args\n" |
b380b885 | 1080 | "Returns the element at the @code{(index1, index2)} element in @var{array}.") |
1bbd0b84 | 1081 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1082 | { |
1083 | long pos; | |
0f2d19dd | 1084 | |
35de7ebe | 1085 | if (SCM_IMP (v)) |
0f2d19dd JB |
1086 | { |
1087 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1088 | return v; | |
1089 | } | |
1090 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1091 | { |
1bbd0b84 | 1092 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1093 | v = SCM_ARRAY_V (v); |
1094 | } | |
1095 | else | |
1096 | { | |
74014c46 | 1097 | unsigned long int length; |
0f2d19dd | 1098 | if (SCM_NIMP (args)) |
0f2d19dd | 1099 | { |
1bbd0b84 | 1100 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1101 | pos = SCM_INUM (SCM_CAR (args)); |
1102 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1103 | } | |
1104 | else | |
1105 | { | |
3b3b36dd | 1106 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1107 | pos = SCM_INUM (args); |
1108 | } | |
74014c46 DH |
1109 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1110 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd | 1111 | } |
74014c46 | 1112 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1113 | { |
1114 | default: | |
1115 | if (SCM_NULLP (args)) | |
1116 | return v; | |
35de7ebe | 1117 | badarg: |
1bbd0b84 | 1118 | SCM_WTA (1,v); |
35de7ebe | 1119 | abort (); |
c209c88e GB |
1120 | |
1121 | outrng: | |
1122 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1123 | wna: | |
1124 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1125 | case scm_tc7_smob: |
1126 | { /* enclosed */ | |
1127 | int k = SCM_ARRAY_NDIM (v); | |
1128 | SCM res = scm_make_ra (k); | |
1129 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1130 | SCM_ARRAY_BASE (res) = pos; | |
1131 | while (k--) | |
1132 | { | |
1133 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1134 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1135 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1136 | } | |
1137 | return res; | |
1138 | } | |
1139 | case scm_tc7_bvect: | |
c209c88e | 1140 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1141 | return SCM_BOOL_T; |
1142 | else | |
1143 | return SCM_BOOL_F; | |
1144 | case scm_tc7_string: | |
322ac0c5 | 1145 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1146 | case scm_tc7_byvect: |
405aaef9 | 1147 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1148 | case scm_tc7_uvect: |
fee7ef83 | 1149 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1150 | case scm_tc7_ivect: |
fee7ef83 | 1151 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1152 | |
1153 | case scm_tc7_svect: | |
4260a7fc | 1154 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1155 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1156 | case scm_tc7_llvect: |
4260a7fc | 1157 | return scm_long_long2num (((long_long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1158 | #endif |
1159 | ||
0f2d19dd | 1160 | case scm_tc7_fvect: |
4260a7fc | 1161 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1162 | case scm_tc7_dvect: |
4260a7fc | 1163 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1164 | case scm_tc7_cvect: |
4260a7fc DH |
1165 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1166 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1167 | case scm_tc7_vector: |
95f5b0f5 | 1168 | case scm_tc7_wvect: |
0f2d19dd JB |
1169 | return SCM_VELTS (v)[pos]; |
1170 | } | |
1171 | } | |
1bbd0b84 | 1172 | #undef FUNC_NAME |
0f2d19dd JB |
1173 | |
1174 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1175 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1176 | |
0f2d19dd | 1177 | SCM |
6e8d25a6 | 1178 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
0f2d19dd | 1179 | { |
5c11cc9d | 1180 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1181 | { |
1182 | default: | |
1183 | scm_wta (v, (char *) SCM_ARG1, "PROGRAMMING ERROR: scm_cvref"); | |
1184 | case scm_tc7_bvect: | |
c209c88e | 1185 | if (SCM_BITVEC_REF(v,pos)) |
0f2d19dd JB |
1186 | return SCM_BOOL_T; |
1187 | else | |
1188 | return SCM_BOOL_F; | |
1189 | case scm_tc7_string: | |
322ac0c5 | 1190 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1191 | case scm_tc7_byvect: |
405aaef9 | 1192 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1193 | case scm_tc7_uvect: |
fee7ef83 | 1194 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1195 | case scm_tc7_ivect: |
fee7ef83 | 1196 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1197 | case scm_tc7_svect: |
4260a7fc | 1198 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1199 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1200 | case scm_tc7_llvect: |
4260a7fc | 1201 | return scm_long_long2num (((long_long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1202 | #endif |
0f2d19dd | 1203 | case scm_tc7_fvect: |
fee7ef83 | 1204 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1205 | { |
4260a7fc | 1206 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1207 | return last; |
1208 | } | |
4260a7fc | 1209 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1210 | case scm_tc7_dvect: |
fee7ef83 | 1211 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1212 | { |
4260a7fc | 1213 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1214 | return last; |
1215 | } | |
4260a7fc | 1216 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1217 | case scm_tc7_cvect: |
bc86da5d | 1218 | if (SCM_NIMP (last) && SCM_SLOPPY_COMPLEXP (last)) |
0f2d19dd | 1219 | { |
4260a7fc DH |
1220 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1221 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1222 | return last; |
1223 | } | |
4260a7fc DH |
1224 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1225 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1226 | case scm_tc7_vector: |
95f5b0f5 | 1227 | case scm_tc7_wvect: |
0f2d19dd JB |
1228 | return SCM_VELTS (v)[pos]; |
1229 | case scm_tc7_smob: | |
1230 | { /* enclosed scm_array */ | |
1231 | int k = SCM_ARRAY_NDIM (v); | |
1232 | SCM res = scm_make_ra (k); | |
1233 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1234 | SCM_ARRAY_BASE (res) = pos; | |
1235 | while (k--) | |
1236 | { | |
1237 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1238 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1239 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1240 | } | |
1241 | return res; | |
1242 | } | |
1243 | } | |
1244 | } | |
1245 | ||
1bbd0b84 GB |
1246 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1247 | ||
1cc91f1b | 1248 | |
0aa0871f GH |
1249 | /* Note that args may be a list or an immediate object, depending which |
1250 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1251 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1252 | (SCM v, SCM obj, SCM args), |
ec57ce2e | 1253 | "@deffnx primitive uniform-array-set1! v obj args\n" |
b380b885 MD |
1254 | "Sets the element at the @code{(index1, index2)} element in @var{array} to\n" |
1255 | "@var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1256 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1257 | { |
f3667f52 | 1258 | long pos = 0; |
0f2d19dd JB |
1259 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1260 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1261 | { |
1bbd0b84 | 1262 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1263 | v = SCM_ARRAY_V (v); |
1264 | } | |
1265 | else | |
1266 | { | |
74014c46 | 1267 | unsigned long int length; |
0f2d19dd | 1268 | if (SCM_NIMP (args)) |
0f2d19dd | 1269 | { |
0aa0871f | 1270 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1271 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1272 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1273 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1274 | } |
1275 | else | |
1276 | { | |
3b3b36dd | 1277 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd | 1278 | } |
74014c46 DH |
1279 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1280 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd JB |
1281 | } |
1282 | switch (SCM_TYP7 (v)) | |
1283 | { | |
35de7ebe | 1284 | default: badarg1: |
1bbd0b84 | 1285 | SCM_WTA (1,v); |
35de7ebe | 1286 | abort (); |
c209c88e GB |
1287 | outrng: |
1288 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1289 | wna: | |
1290 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1291 | case scm_tc7_smob: /* enclosed */ |
1292 | goto badarg1; | |
1293 | case scm_tc7_bvect: | |
4260a7fc | 1294 | if (SCM_FALSEP (obj)) |
c209c88e | 1295 | SCM_BITVEC_CLR(v,pos); |
9a09deb1 | 1296 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c209c88e | 1297 | SCM_BITVEC_SET(v,pos); |
0f2d19dd | 1298 | else |
1bbd0b84 | 1299 | badobj:SCM_WTA (2,obj); |
0f2d19dd JB |
1300 | break; |
1301 | case scm_tc7_string: | |
7866a09b | 1302 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1303 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1304 | break; |
1305 | case scm_tc7_byvect: | |
7866a09b GB |
1306 | if (SCM_CHARP (obj)) |
1307 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1308 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1309 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1310 | break; |
1bbd0b84 | 1311 | case scm_tc7_uvect: |
f1267706 | 1312 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2ulong(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1313 | break; |
1bbd0b84 | 1314 | case scm_tc7_ivect: |
f1267706 | 1315 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2long(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1316 | break; |
0f2d19dd | 1317 | case scm_tc7_svect: |
0aa0871f | 1318 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
4260a7fc | 1319 | ((short *) SCM_CELL_WORD_1 (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1320 | break; |
5c11cc9d | 1321 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1322 | case scm_tc7_llvect: |
4260a7fc | 1323 | ((long_long *) SCM_CELL_WORD_1 (v))[pos] = scm_num2long_long (obj, (char *)SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1324 | break; |
1325 | #endif | |
1326 | ||
1327 | ||
0f2d19dd | 1328 | case scm_tc7_fvect: |
4260a7fc | 1329 | ((float *) SCM_CELL_WORD_1 (v))[pos] = (float) scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd | 1330 | break; |
0f2d19dd | 1331 | case scm_tc7_dvect: |
4260a7fc | 1332 | ((double *) SCM_CELL_WORD_1 (v))[pos] = scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd JB |
1333 | break; |
1334 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1335 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1336 | if (SCM_REALP (obj)) { | |
1337 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos] = SCM_REAL_VALUE (obj); | |
1338 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1] = 0.0; | |
1339 | } else { | |
1340 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos] = SCM_COMPLEX_REAL (obj); | |
1341 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
1342 | } | |
0f2d19dd | 1343 | break; |
0f2d19dd | 1344 | case scm_tc7_vector: |
95f5b0f5 | 1345 | case scm_tc7_wvect: |
0f2d19dd JB |
1346 | SCM_VELTS (v)[pos] = obj; |
1347 | break; | |
1348 | } | |
1349 | return SCM_UNSPECIFIED; | |
1350 | } | |
1bbd0b84 | 1351 | #undef FUNC_NAME |
0f2d19dd | 1352 | |
1d7bdb25 GH |
1353 | /* attempts to unroll an array into a one-dimensional array. |
1354 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1355 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1356 | wouldn't have contiguous elements. */ |
3b3b36dd | 1357 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1358 | (SCM ra, SCM strict), |
b380b885 MD |
1359 | "@deffnx primitive array-contents array strict\n" |
1360 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" | |
1361 | "without changing their order (last subscript changing fastest), then\n" | |
1362 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1363 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1364 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1365 | "@var{make-shared-array} may not be.\n\n" | |
1366 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1367 | "be returned only if its elements are stored internally contiguous in\n" | |
1368 | "memory.") | |
1bbd0b84 | 1369 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1370 | { |
1371 | SCM sra; | |
1372 | if (SCM_IMP (ra)) | |
f3667f52 | 1373 | return SCM_BOOL_F; |
5c11cc9d | 1374 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1375 | { |
1376 | default: | |
1377 | return SCM_BOOL_F; | |
1378 | case scm_tc7_vector: | |
95f5b0f5 | 1379 | case scm_tc7_wvect: |
0f2d19dd JB |
1380 | case scm_tc7_string: |
1381 | case scm_tc7_bvect: | |
1382 | case scm_tc7_byvect: | |
1383 | case scm_tc7_uvect: | |
1384 | case scm_tc7_ivect: | |
1385 | case scm_tc7_fvect: | |
1386 | case scm_tc7_dvect: | |
1387 | case scm_tc7_cvect: | |
1388 | case scm_tc7_svect: | |
5c11cc9d | 1389 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1390 | case scm_tc7_llvect: |
1391 | #endif | |
1392 | return ra; | |
1393 | case scm_tc7_smob: | |
1394 | { | |
1395 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1396 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1397 | return SCM_BOOL_F; | |
1398 | for (k = 0; k < ndim; k++) | |
1399 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1400 | if (!SCM_UNBNDP (strict)) | |
1401 | { | |
0f2d19dd JB |
1402 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1403 | return SCM_BOOL_F; | |
1404 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1405 | { | |
74014c46 | 1406 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
0f2d19dd JB |
1407 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1408 | len % SCM_LONG_BIT) | |
1409 | return SCM_BOOL_F; | |
1410 | } | |
1411 | } | |
74014c46 DH |
1412 | |
1413 | { | |
1414 | SCM v = SCM_ARRAY_V (ra); | |
1415 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
1416 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1417 | return v; | |
1418 | } | |
1419 | ||
0f2d19dd JB |
1420 | sra = scm_make_ra (1); |
1421 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1422 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1423 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1424 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1425 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1426 | return sra; | |
1427 | } | |
1428 | } | |
1429 | } | |
1bbd0b84 | 1430 | #undef FUNC_NAME |
0f2d19dd | 1431 | |
1cc91f1b | 1432 | |
0f2d19dd | 1433 | SCM |
6e8d25a6 | 1434 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1435 | { |
1436 | SCM ret; | |
1437 | long inc = 1; | |
1438 | scm_sizet k, len = 1; | |
1439 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1440 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1441 | k = SCM_ARRAY_NDIM (ra); | |
1442 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1443 | { | |
74014c46 | 1444 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1445 | return ra; |
74014c46 | 1446 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
0f2d19dd JB |
1447 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1448 | 0 == len % SCM_LONG_BIT)) | |
1449 | return ra; | |
1450 | } | |
1451 | ret = scm_make_ra (k); | |
1452 | SCM_ARRAY_BASE (ret) = 0; | |
1453 | while (k--) | |
1454 | { | |
1455 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1456 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1457 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1458 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1459 | } | |
1460 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1461 | if (copy) | |
1462 | scm_array_copy_x (ra, ret); | |
1463 | return ret; | |
1464 | } | |
1465 | ||
1466 | ||
1467 | ||
3b3b36dd | 1468 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1469 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1470 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1471 | "Attempts to read all elements of @var{ura}, in lexicographic order, as\n" | |
1472 | "binary objects from @var{port-or-fdes}.\n" | |
1473 | "If an end of file is encountered during\n" | |
1474 | "uniform-array-read! the objects up to that point only are put into @var{ura}\n" | |
1475 | "(starting at the beginning) and the remainder of the array is\n" | |
1476 | "unchanged.\n\n" | |
1477 | "The optional arguments @var{start} and @var{end} allow\n" | |
1478 | "a specified region of a vector (or linearized array) to be read,\n" | |
1479 | "leaving the remainder of the vector unchanged.\n\n" | |
1480 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1481 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1482 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1483 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1484 | { |
35de7ebe | 1485 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1486 | long sz, vlen, ans; |
1146b6cd GH |
1487 | long cstart = 0; |
1488 | long cend; | |
1489 | long offset = 0; | |
405aaef9 | 1490 | char *base; |
35de7ebe | 1491 | |
0f2d19dd | 1492 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1493 | if (SCM_UNBNDP (port_or_fd)) |
1494 | port_or_fd = scm_cur_inp; | |
1495 | else | |
1496 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1497 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1498 | port_or_fd, SCM_ARG2, FUNC_NAME); |
74014c46 | 1499 | vlen = SCM_INUM (scm_uniform_vector_length (v)); |
35de7ebe | 1500 | |
0f2d19dd | 1501 | loop: |
35de7ebe | 1502 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1503 | { |
1504 | default: | |
5d2d2ffc | 1505 | badarg1:SCM_WTA (SCM_ARG1,v); |
0f2d19dd JB |
1506 | case scm_tc7_smob: |
1507 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1508 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1509 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1510 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1511 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1512 | v = SCM_ARRAY_V (cra); | |
1513 | goto loop; | |
1514 | case scm_tc7_string: | |
74014c46 | 1515 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1516 | sz = sizeof (char); |
1517 | break; | |
1518 | case scm_tc7_bvect: | |
74014c46 | 1519 | base = (char *) SCM_BITVECTOR_BASE (v); |
3d8d56df | 1520 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1521 | cstart /= SCM_LONG_BIT; |
74014c46 DH |
1522 | sz = sizeof (long); |
1523 | break; | |
1524 | case scm_tc7_byvect: | |
1525 | base = (char *) SCM_UVECTOR_BASE (v); | |
1526 | sz = sizeof (char); | |
1527 | break; | |
0f2d19dd JB |
1528 | case scm_tc7_uvect: |
1529 | case scm_tc7_ivect: | |
74014c46 | 1530 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1531 | sz = sizeof (long); |
1532 | break; | |
1533 | case scm_tc7_svect: | |
74014c46 | 1534 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1535 | sz = sizeof (short); |
1536 | break; | |
5c11cc9d | 1537 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1538 | case scm_tc7_llvect: |
74014c46 | 1539 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1540 | sz = sizeof (long_long); |
1541 | break; | |
1542 | #endif | |
0f2d19dd | 1543 | case scm_tc7_fvect: |
74014c46 | 1544 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1545 | sz = sizeof (float); |
1546 | break; | |
0f2d19dd | 1547 | case scm_tc7_dvect: |
74014c46 | 1548 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1549 | sz = sizeof (double); |
1550 | break; | |
1551 | case scm_tc7_cvect: | |
74014c46 | 1552 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1553 | sz = 2 * sizeof (double); |
1554 | break; | |
0f2d19dd | 1555 | } |
405aaef9 | 1556 | |
1146b6cd GH |
1557 | cend = vlen; |
1558 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1559 | { |
1146b6cd | 1560 | offset = |
4638e087 | 1561 | SCM_NUM2LONG (3, start); |
35de7ebe | 1562 | |
1146b6cd | 1563 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1564 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1565 | |
1566 | if (!SCM_UNBNDP (end)) | |
1567 | { | |
1568 | long tend = | |
4638e087 | 1569 | SCM_NUM2LONG (4, end); |
3d8d56df | 1570 | |
1146b6cd | 1571 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1572 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1573 | cend = tend; |
1574 | } | |
0f2d19dd | 1575 | } |
35de7ebe | 1576 | |
3d8d56df GH |
1577 | if (SCM_NIMP (port_or_fd)) |
1578 | { | |
6c951427 GH |
1579 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1580 | int remaining = (cend - offset) * sz; | |
405aaef9 | 1581 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1582 | |
1583 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1584 | scm_flush (port_or_fd); |
6c951427 GH |
1585 | |
1586 | ans = cend - offset; | |
1587 | while (remaining > 0) | |
3d8d56df | 1588 | { |
6c951427 GH |
1589 | if (pt->read_pos < pt->read_end) |
1590 | { | |
1591 | int to_copy = min (pt->read_end - pt->read_pos, | |
1592 | remaining); | |
1593 | ||
1594 | memcpy (dest, pt->read_pos, to_copy); | |
1595 | pt->read_pos += to_copy; | |
1596 | remaining -= to_copy; | |
1597 | dest += to_copy; | |
1598 | } | |
1599 | else | |
1600 | { | |
affc96b5 | 1601 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1602 | { |
1603 | if (remaining % sz != 0) | |
1604 | { | |
5d2d2ffc | 1605 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1606 | } |
1607 | ans -= remaining / sz; | |
1608 | break; | |
1609 | } | |
6c951427 | 1610 | } |
3d8d56df | 1611 | } |
6c951427 GH |
1612 | |
1613 | if (pt->rw_random) | |
1614 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1615 | } |
1616 | else /* file descriptor. */ | |
1617 | { | |
1618 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1619 | base + (cstart + offset) * sz, |
1146b6cd | 1620 | (scm_sizet) (sz * (cend - offset)))); |
3d8d56df | 1621 | if (ans == -1) |
1bbd0b84 | 1622 | SCM_SYSERROR; |
3d8d56df | 1623 | } |
0f2d19dd JB |
1624 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1625 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1626 | |
fee7ef83 | 1627 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1628 | scm_array_copy_x (cra, ra); |
35de7ebe | 1629 | |
0f2d19dd JB |
1630 | return SCM_MAKINUM (ans); |
1631 | } | |
1bbd0b84 | 1632 | #undef FUNC_NAME |
0f2d19dd | 1633 | |
3b3b36dd | 1634 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1635 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1636 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
1637 | "Writes all elements of @var{ura} as binary objects to\n" | |
1638 | "@var{port-or-fdes}.\n\n" | |
1639 | "The optional arguments @var{start}\n" | |
1640 | "and @var{end} allow\n" | |
1641 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
1642 | "The number of objects actually written is returned. \n" | |
1643 | "@var{port-or-fdes} may be\n" | |
1644 | "omitted, in which case it defaults to the value returned by\n" | |
1645 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1646 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1647 | { |
3d8d56df | 1648 | long sz, vlen, ans; |
1146b6cd GH |
1649 | long offset = 0; |
1650 | long cstart = 0; | |
1651 | long cend; | |
405aaef9 | 1652 | char *base; |
3d8d56df | 1653 | |
78446828 MV |
1654 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1655 | ||
0f2d19dd | 1656 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1657 | if (SCM_UNBNDP (port_or_fd)) |
1658 | port_or_fd = scm_cur_outp; | |
1659 | else | |
1660 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1661 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1662 | port_or_fd, SCM_ARG2, FUNC_NAME); |
74014c46 | 1663 | vlen = SCM_INUM (scm_uniform_vector_length (v)); |
3d8d56df | 1664 | |
0f2d19dd | 1665 | loop: |
3d8d56df | 1666 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1667 | { |
1668 | default: | |
4638e087 | 1669 | badarg1:SCM_WTA (1, v); |
0f2d19dd JB |
1670 | case scm_tc7_smob: |
1671 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1672 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1673 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1674 | vlen = SCM_ARRAY_DIMS (v)->inc |
1675 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1676 | v = SCM_ARRAY_V (v); |
1677 | goto loop; | |
0f2d19dd | 1678 | case scm_tc7_string: |
74014c46 | 1679 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1680 | sz = sizeof (char); |
1681 | break; | |
1682 | case scm_tc7_bvect: | |
74014c46 | 1683 | base = (char *) SCM_BITVECTOR_BASE (v); |
3d8d56df | 1684 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1685 | cstart /= SCM_LONG_BIT; |
74014c46 DH |
1686 | sz = sizeof (long); |
1687 | break; | |
1688 | case scm_tc7_byvect: | |
1689 | base = (char *) SCM_UVECTOR_BASE (v); | |
1690 | sz = sizeof (char); | |
1691 | break; | |
0f2d19dd JB |
1692 | case scm_tc7_uvect: |
1693 | case scm_tc7_ivect: | |
74014c46 | 1694 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1695 | sz = sizeof (long); |
1696 | break; | |
1697 | case scm_tc7_svect: | |
74014c46 | 1698 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1699 | sz = sizeof (short); |
1700 | break; | |
5c11cc9d | 1701 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1702 | case scm_tc7_llvect: |
74014c46 | 1703 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1704 | sz = sizeof (long_long); |
1705 | break; | |
1706 | #endif | |
0f2d19dd | 1707 | case scm_tc7_fvect: |
74014c46 | 1708 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1709 | sz = sizeof (float); |
1710 | break; | |
0f2d19dd | 1711 | case scm_tc7_dvect: |
74014c46 | 1712 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1713 | sz = sizeof (double); |
1714 | break; | |
1715 | case scm_tc7_cvect: | |
74014c46 | 1716 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1717 | sz = 2 * sizeof (double); |
1718 | break; | |
0f2d19dd | 1719 | } |
3d8d56df | 1720 | |
1146b6cd GH |
1721 | cend = vlen; |
1722 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1723 | { |
1146b6cd | 1724 | offset = |
4638e087 | 1725 | SCM_NUM2LONG (3, start); |
3d8d56df | 1726 | |
1146b6cd | 1727 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1728 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1729 | |
1730 | if (!SCM_UNBNDP (end)) | |
1731 | { | |
1732 | long tend = | |
4638e087 | 1733 | SCM_NUM2LONG (4, end); |
3d8d56df | 1734 | |
1146b6cd | 1735 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1736 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1737 | cend = tend; |
1738 | } | |
3d8d56df GH |
1739 | } |
1740 | ||
1741 | if (SCM_NIMP (port_or_fd)) | |
1742 | { | |
405aaef9 | 1743 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1744 | |
1745 | ans = cend - offset; | |
265e6a4d | 1746 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1747 | } |
1748 | else /* file descriptor. */ | |
1749 | { | |
1750 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1751 | base + (cstart + offset) * sz, |
1146b6cd | 1752 | (scm_sizet) (sz * (cend - offset)))); |
3d8d56df | 1753 | if (ans == -1) |
1bbd0b84 | 1754 | SCM_SYSERROR; |
3d8d56df | 1755 | } |
0f2d19dd JB |
1756 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1757 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1758 | |
0f2d19dd JB |
1759 | return SCM_MAKINUM (ans); |
1760 | } | |
1bbd0b84 | 1761 | #undef FUNC_NAME |
0f2d19dd JB |
1762 | |
1763 | ||
1764 | static char cnt_tab[16] = | |
1765 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1766 | ||
3b3b36dd | 1767 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
44e47754 DH |
1768 | (SCM b, SCM bitvector), |
1769 | "Returns the number of occurrences of the boolean B in BITVECTOR.") | |
1bbd0b84 | 1770 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1771 | { |
44e47754 | 1772 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1773 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1774 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1775 | return SCM_INUM0; |
1776 | } else { | |
1777 | unsigned long int count = 0; | |
74014c46 | 1778 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; |
44e47754 DH |
1779 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); |
1780 | if (SCM_FALSEP (b)) { | |
1781 | w = ~w; | |
1782 | }; | |
74014c46 | 1783 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1784 | while (1) { |
1785 | while (w) { | |
1786 | count += cnt_tab[w & 0x0f]; | |
1787 | w >>= 4; | |
1788 | } | |
1789 | if (i == 0) { | |
1790 | return SCM_MAKINUM (count); | |
1791 | } else { | |
1792 | --i; | |
1793 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1794 | if (SCM_FALSEP (b)) { | |
1795 | w = ~w; | |
0f2d19dd | 1796 | } |
44e47754 | 1797 | } |
0f2d19dd | 1798 | } |
44e47754 | 1799 | } |
0f2d19dd | 1800 | } |
1bbd0b84 | 1801 | #undef FUNC_NAME |
0f2d19dd JB |
1802 | |
1803 | ||
3b3b36dd | 1804 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1805 | (SCM item, SCM v, SCM k), |
b380b885 MD |
1806 | "Returns the minimum index of an occurrence of @var{bool} in @var{bv}\n" |
1807 | "which is at least @var{k}. If no @var{bool} occurs within the specified\n" | |
1808 | "range @code{#f} is returned.") | |
1bbd0b84 | 1809 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1810 | { |
1bbd0b84 | 1811 | long i, lenw, xbits, pos; |
0f2d19dd | 1812 | register unsigned long w; |
74014c46 DH |
1813 | |
1814 | SCM_VALIDATE_BOOL (1, item); | |
1815 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
3b3b36dd | 1816 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
74014c46 DH |
1817 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1818 | ||
1819 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1820 | return SCM_BOOL_F; |
74014c46 DH |
1821 | |
1822 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1823 | i = pos / SCM_LONG_BIT; | |
1824 | w = SCM_UNPACK (SCM_VELTS (v)[i]); | |
1825 | if (SCM_FALSEP (item)) | |
1826 | w = ~w; | |
1827 | xbits = (pos % SCM_LONG_BIT); | |
1828 | pos -= xbits; | |
1829 | w = ((w >> xbits) << xbits); | |
1830 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1831 | while (!0) | |
1832 | { | |
1833 | if (w && (i == lenw)) | |
1834 | w = ((w << xbits) >> xbits); | |
1835 | if (w) | |
1836 | while (w) | |
1837 | switch (w & 0x0f) | |
1838 | { | |
1839 | default: | |
1840 | return SCM_MAKINUM (pos); | |
1841 | case 2: | |
1842 | case 6: | |
1843 | case 10: | |
1844 | case 14: | |
1845 | return SCM_MAKINUM (pos + 1); | |
1846 | case 4: | |
1847 | case 12: | |
1848 | return SCM_MAKINUM (pos + 2); | |
1849 | case 8: | |
1850 | return SCM_MAKINUM (pos + 3); | |
1851 | case 0: | |
1852 | pos += 4; | |
1853 | w >>= 4; | |
1854 | } | |
1855 | if (++i > lenw) | |
1856 | break; | |
1857 | pos += SCM_LONG_BIT; | |
f1267706 | 1858 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1859 | if (SCM_FALSEP (item)) |
1860 | w = ~w; | |
0f2d19dd | 1861 | } |
74014c46 | 1862 | return SCM_BOOL_F; |
0f2d19dd | 1863 | } |
1bbd0b84 | 1864 | #undef FUNC_NAME |
0f2d19dd JB |
1865 | |
1866 | ||
3b3b36dd | 1867 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
1bbd0b84 | 1868 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1869 | "If uve is a bit-vector @var{bv} and uve must be of the same length. If\n" |
1870 | "@var{bool} is @code{#t}, uve is OR'ed into @var{bv}; If @var{bool} is @code{#f}, the\n" | |
1871 | "inversion of uve is AND'ed into @var{bv}.\n\n" | |
1872 | "If uve is a unsigned integer vector all the elements of uve must be\n" | |
1873 | "between 0 and the @code{LENGTH} of @var{bv}. The bits of @var{bv}\n" | |
1874 | "corresponding to the indexes in uve are set to @var{bool}.\n\n" | |
1875 | "The return value is unspecified.") | |
1bbd0b84 | 1876 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1877 | { |
1878 | register long i, k, vlen; | |
74014c46 | 1879 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1880 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1881 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1882 | { |
1883 | default: | |
1bbd0b84 | 1884 | badarg2:SCM_WTA (2,kv); |
0f2d19dd | 1885 | case scm_tc7_uvect: |
74014c46 DH |
1886 | vlen = SCM_BITVECTOR_LENGTH (v); |
1887 | if (SCM_FALSEP (obj)) | |
1888 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1889 | { | |
1890 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1891 | if (k >= vlen) | |
1892 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1893 | SCM_BITVEC_CLR(v,k); | |
1894 | } | |
1895 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1896 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1897 | { | |
1898 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1899 | if (k >= vlen) | |
1900 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1901 | SCM_BITVEC_SET(v,k); | |
1902 | } | |
1903 | else | |
1904 | badarg3:SCM_WTA (3,obj); | |
0f2d19dd JB |
1905 | break; |
1906 | case scm_tc7_bvect: | |
74014c46 | 1907 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
4260a7fc | 1908 | if (SCM_FALSEP (obj)) |
74014c46 | 1909 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
f1267706 | 1910 | SCM_UNPACK (SCM_VELTS (v)[k]) &= ~ SCM_UNPACK(SCM_VELTS (kv)[k]); |
9a09deb1 | 1911 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
74014c46 | 1912 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
f1267706 | 1913 | SCM_UNPACK (SCM_VELTS (v)[k]) |= SCM_UNPACK (SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1914 | else |
1915 | goto badarg3; | |
1916 | break; | |
1917 | } | |
1918 | return SCM_UNSPECIFIED; | |
1919 | } | |
1bbd0b84 | 1920 | #undef FUNC_NAME |
0f2d19dd JB |
1921 | |
1922 | ||
3b3b36dd | 1923 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1924 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1925 | "Returns\n" |
1926 | "@example\n" | |
1927 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" | |
1928 | "@end example\n" | |
1929 | "@var{bv} is not modified.") | |
1bbd0b84 | 1930 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1931 | { |
1932 | register long i, vlen, count = 0; | |
1933 | register unsigned long k; | |
41b0806d | 1934 | int fObj = 0; |
c209c88e | 1935 | |
74014c46 | 1936 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1937 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1938 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1939 | { |
1940 | default: | |
c209c88e GB |
1941 | badarg2: |
1942 | SCM_WTA (2,kv); | |
0f2d19dd | 1943 | case scm_tc7_uvect: |
74014c46 DH |
1944 | vlen = SCM_BITVECTOR_LENGTH (v); |
1945 | if (SCM_FALSEP (obj)) | |
1946 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1947 | { | |
1948 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1949 | if (k >= vlen) | |
1950 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1951 | if (!SCM_BITVEC_REF(v,k)) | |
1952 | count++; | |
1953 | } | |
1954 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1955 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1956 | { | |
1957 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1958 | if (k >= vlen) | |
1959 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1960 | if (SCM_BITVEC_REF (v,k)) | |
1961 | count++; | |
1962 | } | |
1963 | else | |
1964 | badarg3:SCM_WTA (3,obj); | |
0f2d19dd JB |
1965 | break; |
1966 | case scm_tc7_bvect: | |
74014c46 DH |
1967 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1968 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1969 | return SCM_INUM0; |
4260a7fc | 1970 | SCM_ASRTGO (SCM_BOOLP (obj), badarg3); |
9a09deb1 | 1971 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
74014c46 | 1972 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
f1267706 | 1973 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); |
74014c46 | 1974 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); |
c209c88e | 1975 | while (1) |
0f2d19dd JB |
1976 | { |
1977 | for (; k; k >>= 4) | |
1978 | count += cnt_tab[k & 0x0f]; | |
1979 | if (0 == i--) | |
1980 | return SCM_MAKINUM (count); | |
c209c88e GB |
1981 | |
1982 | /* urg. repetitive (see above.) */ | |
f1267706 | 1983 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1984 | } |
1985 | } | |
1986 | return SCM_MAKINUM (count); | |
1987 | } | |
1bbd0b84 | 1988 | #undef FUNC_NAME |
0f2d19dd JB |
1989 | |
1990 | ||
3b3b36dd | 1991 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1992 | (SCM v), |
b380b885 | 1993 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 1994 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 1995 | { |
74014c46 DH |
1996 | long int k; |
1997 | ||
1998 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
1999 | ||
2000 | k = SCM_BITVECTOR_LENGTH (v); | |
2001 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
2002 | SCM_UNPACK (SCM_VELTS (v)[k]) = ~SCM_UNPACK (SCM_VELTS (v)[k]); | |
2003 | ||
0f2d19dd JB |
2004 | return SCM_UNSPECIFIED; |
2005 | } | |
1bbd0b84 | 2006 | #undef FUNC_NAME |
0f2d19dd JB |
2007 | |
2008 | ||
0f2d19dd | 2009 | SCM |
1bbd0b84 | 2010 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2011 | { |
2012 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
2013 | long *data = (long *) SCM_VELTS (v); | |
2014 | register unsigned long mask; | |
2015 | register long k; | |
2016 | register long j; | |
2017 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
2018 | { | |
2019 | data[k] = 0L; | |
2020 | j = len - k * SCM_LONG_BIT; | |
2021 | if (j > SCM_LONG_BIT) | |
2022 | j = SCM_LONG_BIT; | |
2023 | for (mask = 1L; j--; mask <<= 1) | |
2024 | switch (*str++) | |
2025 | { | |
2026 | case '0': | |
2027 | break; | |
2028 | case '1': | |
2029 | data[k] |= mask; | |
2030 | break; | |
2031 | default: | |
2032 | return SCM_BOOL_F; | |
2033 | } | |
2034 | } | |
2035 | return v; | |
2036 | } | |
2037 | ||
2038 | ||
1cc91f1b | 2039 | |
0f2d19dd | 2040 | static SCM |
1bbd0b84 | 2041 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
2042 | { |
2043 | register SCM res = SCM_EOL; | |
2044 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2045 | register scm_sizet i; | |
2046 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
2047 | return SCM_EOL; | |
2048 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2049 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2050 | { | |
2051 | do | |
2052 | { | |
2053 | i -= inc; | |
2054 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2055 | } | |
2056 | while (i != base); | |
2057 | } | |
2058 | else | |
2059 | do | |
2060 | { | |
2061 | i -= inc; | |
2062 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2063 | } | |
2064 | while (i != base); | |
2065 | return res; | |
2066 | } | |
2067 | ||
2068 | ||
3b3b36dd | 2069 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2070 | (SCM v), |
b380b885 | 2071 | "Returns a list consisting of all the elements, in order, of @var{array}.") |
1bbd0b84 | 2072 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2073 | { |
2074 | SCM res = SCM_EOL; | |
2075 | register long k; | |
2076 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 2077 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2078 | { |
2079 | default: | |
1bbd0b84 | 2080 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2081 | case scm_tc7_smob: |
2082 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2083 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2084 | case scm_tc7_vector: | |
95f5b0f5 | 2085 | case scm_tc7_wvect: |
0f2d19dd JB |
2086 | return scm_vector_to_list (v); |
2087 | case scm_tc7_string: | |
2088 | return scm_string_to_list (v); | |
2089 | case scm_tc7_bvect: | |
2090 | { | |
2091 | long *data = (long *) SCM_VELTS (v); | |
2092 | register unsigned long mask; | |
74014c46 | 2093 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) |
cdbadcac | 2094 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2095 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
74014c46 | 2096 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2097 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2098 | return res; |
2099 | } | |
0f2d19dd JB |
2100 | case scm_tc7_uvect: { |
2101 | long *data = (long *)SCM_VELTS(v); | |
74014c46 | 2102 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
0f2d19dd JB |
2103 | res = scm_cons(scm_ulong2num(data[k]), res); |
2104 | return res; | |
2105 | } | |
2106 | case scm_tc7_ivect: { | |
2107 | long *data = (long *)SCM_VELTS(v); | |
74014c46 | 2108 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
0f2d19dd JB |
2109 | res = scm_cons(scm_long2num(data[k]), res); |
2110 | return res; | |
2111 | } | |
0f2d19dd JB |
2112 | case scm_tc7_svect: { |
2113 | short *data; | |
2114 | data = (short *)SCM_VELTS(v); | |
74014c46 | 2115 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
0f2d19dd JB |
2116 | res = scm_cons(SCM_MAKINUM (data[k]), res); |
2117 | return res; | |
2118 | } | |
5c11cc9d | 2119 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2120 | case scm_tc7_llvect: { |
2121 | long_long *data; | |
2122 | data = (long_long *)SCM_VELTS(v); | |
74014c46 | 2123 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
0f2d19dd JB |
2124 | res = scm_cons(scm_long_long2num(data[k]), res); |
2125 | return res; | |
2126 | } | |
2127 | #endif | |
2128 | ||
2129 | ||
0f2d19dd JB |
2130 | case scm_tc7_fvect: |
2131 | { | |
2132 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2133 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
bc86da5d | 2134 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2135 | return res; |
2136 | } | |
0f2d19dd JB |
2137 | case scm_tc7_dvect: |
2138 | { | |
2139 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2140 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2141 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2142 | return res; |
2143 | } | |
2144 | case scm_tc7_cvect: | |
2145 | { | |
2146 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2147 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2148 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2149 | return res; |
2150 | } | |
0f2d19dd JB |
2151 | } |
2152 | } | |
1bbd0b84 | 2153 | #undef FUNC_NAME |
0f2d19dd JB |
2154 | |
2155 | ||
20a54673 | 2156 | static char s_bad_ralst[] = "Bad scm_array contents list"; |
1cc91f1b | 2157 | |
1bbd0b84 | 2158 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2159 | |
3b3b36dd | 2160 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2161 | (SCM ndim, SCM prot, SCM lst), |
b380b885 MD |
2162 | "@deffnx procedure list->uniform-vector prot lst\n" |
2163 | "Returns a uniform array of the type indicated by prototype @var{prot}\n" | |
2164 | "with elements the same as those of @var{lst}. Elements must be of the\n" | |
2165 | "appropriate type, no coercions are done.") | |
1bbd0b84 | 2166 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2167 | { |
2168 | SCM shp = SCM_EOL; | |
2169 | SCM row = lst; | |
2170 | SCM ra; | |
2171 | scm_sizet k; | |
2172 | long n; | |
3b3b36dd | 2173 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2174 | while (k--) |
2175 | { | |
2176 | n = scm_ilength (row); | |
1bbd0b84 | 2177 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2178 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2179 | if (SCM_NIMP (row)) | |
2180 | row = SCM_CAR (row); | |
2181 | } | |
d12feca3 GH |
2182 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2183 | SCM_UNDEFINED); | |
0f2d19dd JB |
2184 | if (SCM_NULLP (shp)) |
2185 | ||
2186 | { | |
2187 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2188 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2189 | return ra; | |
2190 | } | |
2191 | if (!SCM_ARRAYP (ra)) | |
2192 | { | |
74014c46 DH |
2193 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra)); |
2194 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) | |
0f2d19dd JB |
2195 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); |
2196 | return ra; | |
2197 | } | |
2198 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2199 | return ra; | |
2200 | else | |
1bbd0b84 | 2201 | badlst:scm_wta (lst, s_bad_ralst, FUNC_NAME); |
0f2d19dd JB |
2202 | return SCM_BOOL_F; |
2203 | } | |
1bbd0b84 | 2204 | #undef FUNC_NAME |
0f2d19dd | 2205 | |
0f2d19dd | 2206 | static int |
1bbd0b84 | 2207 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2208 | { |
2209 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2210 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2211 | int ok = 1; | |
2212 | if (n <= 0) | |
4260a7fc | 2213 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2214 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2215 | { | |
2216 | while (n--) | |
2217 | { | |
2218 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2219 | return 0; | |
2220 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2221 | base += inc; | |
2222 | lst = SCM_CDR (lst); | |
2223 | } | |
2224 | if (SCM_NNULLP (lst)) | |
2225 | return 0; | |
2226 | } | |
2227 | else | |
2228 | { | |
2229 | while (n--) | |
2230 | { | |
2231 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2232 | return 0; | |
baa702c8 | 2233 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); |
0f2d19dd JB |
2234 | base += inc; |
2235 | lst = SCM_CDR (lst); | |
2236 | } | |
2237 | if (SCM_NNULLP (lst)) | |
fee7ef83 | 2238 | return 0; |
0f2d19dd JB |
2239 | } |
2240 | return ok; | |
2241 | } | |
2242 | ||
1cc91f1b | 2243 | |
0f2d19dd | 2244 | static void |
1bbd0b84 | 2245 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2246 | { |
2247 | long inc = 1; | |
74014c46 | 2248 | long n = SCM_INUM (scm_uniform_vector_length (ra)); |
0f2d19dd JB |
2249 | int enclosed = 0; |
2250 | tail: | |
5c11cc9d | 2251 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2252 | { |
2253 | case scm_tc7_smob: | |
2254 | if (enclosed++) | |
2255 | { | |
2256 | SCM_ARRAY_BASE (ra) = j; | |
2257 | if (n-- > 0) | |
9882ea19 | 2258 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2259 | for (j += inc; n-- > 0; j += inc) |
2260 | { | |
b7f3516f | 2261 | scm_putc (' ', port); |
0f2d19dd | 2262 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2263 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2264 | } |
2265 | break; | |
2266 | } | |
2267 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2268 | { | |
2269 | long i; | |
2270 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2271 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2272 | { | |
b7f3516f | 2273 | scm_putc ('(', port); |
9882ea19 | 2274 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2275 | scm_puts (") ", port); |
0f2d19dd JB |
2276 | j += inc; |
2277 | } | |
2278 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2279 | { /* could be zero size. */ | |
b7f3516f | 2280 | scm_putc ('(', port); |
9882ea19 | 2281 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2282 | scm_putc (')', port); |
0f2d19dd JB |
2283 | } |
2284 | break; | |
2285 | } | |
2286 | if SCM_ARRAY_NDIM | |
2287 | (ra) | |
2288 | { /* Could be zero-dimensional */ | |
2289 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2290 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2291 | } | |
2292 | else | |
2293 | n = 1; | |
2294 | ra = SCM_ARRAY_V (ra); | |
2295 | goto tail; | |
2296 | default: | |
5c11cc9d | 2297 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2298 | if (n-- > 0) |
9882ea19 | 2299 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2300 | for (j += inc; n-- > 0; j += inc) |
2301 | { | |
b7f3516f | 2302 | scm_putc (' ', port); |
9882ea19 | 2303 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2304 | } |
2305 | break; | |
2306 | case scm_tc7_string: | |
2307 | if (n-- > 0) | |
322ac0c5 | 2308 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2309 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2310 | for (j += inc; n-- > 0; j += inc) |
2311 | { | |
b7f3516f | 2312 | scm_putc (' ', port); |
322ac0c5 | 2313 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2314 | } |
2315 | else | |
2316 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2317 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2318 | break; |
2319 | case scm_tc7_byvect: | |
2320 | if (n-- > 0) | |
4260a7fc | 2321 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2322 | for (j += inc; n-- > 0; j += inc) |
2323 | { | |
b7f3516f | 2324 | scm_putc (' ', port); |
4260a7fc | 2325 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2326 | } |
2327 | break; | |
2328 | ||
2329 | case scm_tc7_uvect: | |
5c11cc9d GH |
2330 | { |
2331 | char str[11]; | |
2332 | ||
2333 | if (n-- > 0) | |
2334 | { | |
2335 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2336 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2337 | scm_puts (str, port); |
2338 | } | |
2339 | for (j += inc; n-- > 0; j += inc) | |
2340 | { | |
2341 | scm_putc (' ', port); | |
fee7ef83 | 2342 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2343 | scm_puts (str, port); |
2344 | } | |
2345 | } | |
0f2d19dd JB |
2346 | case scm_tc7_ivect: |
2347 | if (n-- > 0) | |
fee7ef83 | 2348 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2349 | for (j += inc; n-- > 0; j += inc) |
2350 | { | |
b7f3516f | 2351 | scm_putc (' ', port); |
fee7ef83 | 2352 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2353 | } |
2354 | break; | |
2355 | ||
2356 | case scm_tc7_svect: | |
2357 | if (n-- > 0) | |
4260a7fc | 2358 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2359 | for (j += inc; n-- > 0; j += inc) |
2360 | { | |
b7f3516f | 2361 | scm_putc (' ', port); |
4260a7fc | 2362 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2363 | } |
2364 | break; | |
2365 | ||
0f2d19dd JB |
2366 | case scm_tc7_fvect: |
2367 | if (n-- > 0) | |
2368 | { | |
bc86da5d MD |
2369 | SCM z = scm_make_real (1.0); |
2370 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2371 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2372 | for (j += inc; n-- > 0; j += inc) |
2373 | { | |
b7f3516f | 2374 | scm_putc (' ', port); |
bc86da5d MD |
2375 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2376 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2377 | } |
2378 | } | |
2379 | break; | |
0f2d19dd JB |
2380 | case scm_tc7_dvect: |
2381 | if (n-- > 0) | |
2382 | { | |
bc86da5d MD |
2383 | SCM z = scm_make_real (1.0 / 3.0); |
2384 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2385 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2386 | for (j += inc; n-- > 0; j += inc) |
2387 | { | |
b7f3516f | 2388 | scm_putc (' ', port); |
bc86da5d MD |
2389 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2390 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2391 | } |
2392 | } | |
2393 | break; | |
2394 | case scm_tc7_cvect: | |
2395 | if (n-- > 0) | |
2396 | { | |
bc86da5d MD |
2397 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2398 | SCM_REAL_VALUE (z) = | |
2399 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2400 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2401 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2402 | port, pstate); | |
0f2d19dd JB |
2403 | for (j += inc; n-- > 0; j += inc) |
2404 | { | |
b7f3516f | 2405 | scm_putc (' ', port); |
bc86da5d MD |
2406 | SCM_REAL_VALUE (z) |
2407 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2408 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2409 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2410 | port, pstate); | |
0f2d19dd JB |
2411 | } |
2412 | } | |
2413 | break; | |
0f2d19dd JB |
2414 | } |
2415 | } | |
2416 | ||
2417 | ||
1cc91f1b | 2418 | |
0f2d19dd | 2419 | int |
1bbd0b84 | 2420 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2421 | { |
2422 | SCM v = exp; | |
2423 | scm_sizet base = 0; | |
b7f3516f | 2424 | scm_putc ('#', port); |
0f2d19dd | 2425 | tail: |
5c11cc9d | 2426 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2427 | { |
2428 | case scm_tc7_smob: | |
2429 | { | |
2430 | long ndim = SCM_ARRAY_NDIM (v); | |
2431 | base = SCM_ARRAY_BASE (v); | |
2432 | v = SCM_ARRAY_V (v); | |
2433 | if (SCM_ARRAYP (v)) | |
2434 | ||
2435 | { | |
b7f3516f | 2436 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2437 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2438 | scm_putc ('>', port); |
0f2d19dd JB |
2439 | return 1; |
2440 | } | |
2441 | else | |
2442 | { | |
2443 | scm_intprint (ndim, 10, port); | |
2444 | goto tail; | |
2445 | } | |
2446 | } | |
2447 | case scm_tc7_bvect: | |
fee7ef83 | 2448 | if (SCM_EQ_P (exp, v)) |
0f2d19dd JB |
2449 | { /* a uve, not an scm_array */ |
2450 | register long i, j, w; | |
b7f3516f | 2451 | scm_putc ('*', port); |
74014c46 | 2452 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2453 | { |
f1267706 | 2454 | scm_bits_t w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
0f2d19dd JB |
2455 | for (j = SCM_LONG_BIT; j; j--) |
2456 | { | |
b7f3516f | 2457 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2458 | w >>= 1; |
2459 | } | |
2460 | } | |
74014c46 | 2461 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2462 | if (j) |
2463 | { | |
74014c46 | 2464 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2465 | for (; j; j--) |
2466 | { | |
b7f3516f | 2467 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2468 | w >>= 1; |
2469 | } | |
2470 | } | |
2471 | return 1; | |
2472 | } | |
2473 | else | |
b7f3516f | 2474 | scm_putc ('b', port); |
0f2d19dd JB |
2475 | break; |
2476 | case scm_tc7_string: | |
b7f3516f | 2477 | scm_putc ('a', port); |
0f2d19dd JB |
2478 | break; |
2479 | case scm_tc7_byvect: | |
05c33d09 | 2480 | scm_putc ('y', port); |
0f2d19dd JB |
2481 | break; |
2482 | case scm_tc7_uvect: | |
b7f3516f | 2483 | scm_putc ('u', port); |
0f2d19dd JB |
2484 | break; |
2485 | case scm_tc7_ivect: | |
b7f3516f | 2486 | scm_putc ('e', port); |
0f2d19dd JB |
2487 | break; |
2488 | case scm_tc7_svect: | |
05c33d09 | 2489 | scm_putc ('h', port); |
0f2d19dd | 2490 | break; |
5c11cc9d | 2491 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2492 | case scm_tc7_llvect: |
5c11cc9d | 2493 | scm_putc ('l', port); |
0f2d19dd JB |
2494 | break; |
2495 | #endif | |
0f2d19dd | 2496 | case scm_tc7_fvect: |
b7f3516f | 2497 | scm_putc ('s', port); |
0f2d19dd | 2498 | break; |
0f2d19dd | 2499 | case scm_tc7_dvect: |
b7f3516f | 2500 | scm_putc ('i', port); |
0f2d19dd JB |
2501 | break; |
2502 | case scm_tc7_cvect: | |
b7f3516f | 2503 | scm_putc ('c', port); |
0f2d19dd | 2504 | break; |
0f2d19dd | 2505 | } |
b7f3516f | 2506 | scm_putc ('(', port); |
9882ea19 | 2507 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2508 | scm_putc (')', port); |
0f2d19dd JB |
2509 | return 1; |
2510 | } | |
2511 | ||
3b3b36dd | 2512 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2513 | (SCM ra), |
b380b885 MD |
2514 | "Returns an object that would produce an array of the same type as\n" |
2515 | "@var{array}, if used as the @var{prototype} for\n" | |
2516 | "@code{make-uniform-array}.") | |
1bbd0b84 | 2517 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2518 | { |
2519 | int enclosed = 0; | |
2520 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2521 | loop: | |
74014c46 | 2522 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2523 | { |
2524 | default: | |
1bbd0b84 | 2525 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
2526 | case scm_tc7_smob: |
2527 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2528 | if (enclosed++) | |
2529 | return SCM_UNSPECIFIED; | |
2530 | ra = SCM_ARRAY_V (ra); | |
2531 | goto loop; | |
2532 | case scm_tc7_vector: | |
95f5b0f5 | 2533 | case scm_tc7_wvect: |
0f2d19dd JB |
2534 | return SCM_EOL; |
2535 | case scm_tc7_bvect: | |
2536 | return SCM_BOOL_T; | |
2537 | case scm_tc7_string: | |
7866a09b | 2538 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2539 | case scm_tc7_byvect: |
7866a09b | 2540 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2541 | case scm_tc7_uvect: |
2542 | return SCM_MAKINUM (1L); | |
2543 | case scm_tc7_ivect: | |
2544 | return SCM_MAKINUM (-1L); | |
2545 | case scm_tc7_svect: | |
2546 | return SCM_CDR (scm_intern ("s", 1)); | |
5c11cc9d | 2547 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2548 | case scm_tc7_llvect: |
2549 | return SCM_CDR (scm_intern ("l", 1)); | |
2550 | #endif | |
0f2d19dd | 2551 | case scm_tc7_fvect: |
bc86da5d | 2552 | return scm_make_real (1.0); |
0f2d19dd | 2553 | case scm_tc7_dvect: |
bc86da5d | 2554 | return scm_make_real (1.0 / 3.0); |
0f2d19dd | 2555 | case scm_tc7_cvect: |
bc86da5d | 2556 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2557 | } |
2558 | } | |
1bbd0b84 | 2559 | #undef FUNC_NAME |
0f2d19dd | 2560 | |
1cc91f1b | 2561 | |
0f2d19dd | 2562 | static SCM |
1bbd0b84 | 2563 | markra (SCM ptr) |
0f2d19dd | 2564 | { |
0f2d19dd JB |
2565 | return SCM_ARRAY_V (ptr); |
2566 | } | |
2567 | ||
1cc91f1b | 2568 | |
0f2d19dd | 2569 | static scm_sizet |
1bbd0b84 | 2570 | freera (SCM ptr) |
0f2d19dd | 2571 | { |
405aaef9 | 2572 | scm_must_free (SCM_ARRAY_MEM (ptr)); |
0f2d19dd JB |
2573 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); |
2574 | } | |
2575 | ||
0f2d19dd JB |
2576 | void |
2577 | scm_init_unif () | |
0f2d19dd | 2578 | { |
23a62151 MD |
2579 | scm_tc16_array = scm_make_smob_type_mfpe ("array", 0, |
2580 | markra, | |
2581 | freera, | |
2582 | scm_raprin1, | |
2583 | scm_array_equal_p); | |
0f2d19dd | 2584 | scm_add_feature ("array"); |
a0599745 | 2585 | #include "libguile/unif.x" |
0f2d19dd | 2586 | } |
89e00824 ML |
2587 | |
2588 | /* | |
2589 | Local Variables: | |
2590 | c-file-style: "gnu" | |
2591 | End: | |
2592 | */ |