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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 | ||
e841c3e0 | 89 | scm_bits_t scm_tc16_array; |
0f2d19dd | 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) |
a3a32939 | 156 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd JB |
157 | { |
158 | SCM v; | |
159 | long i, type; | |
a3a32939 | 160 | |
9a09deb1 | 161 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd | 162 | { |
93778877 DH |
163 | SCM_NEWCELL (v); |
164 | if (k > 0) | |
165 | { | |
5b9eb8ae | 166 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_BITVECTOR_MAX_LENGTH); |
93778877 | 167 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); |
6a0476fd | 168 | SCM_SET_BITVECTOR_BASE (v, (char *) scm_must_malloc (i, "vector")); |
93778877 DH |
169 | SCM_SET_BITVECTOR_LENGTH (v, k); |
170 | } | |
171 | else | |
172 | { | |
6a0476fd | 173 | SCM_SET_BITVECTOR_BASE (v, 0); |
93778877 DH |
174 | SCM_SET_BITVECTOR_LENGTH (v, 0); |
175 | } | |
176 | return v; | |
0f2d19dd | 177 | } |
4260a7fc | 178 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
0f2d19dd JB |
179 | { |
180 | i = sizeof (char) * k; | |
181 | type = scm_tc7_byvect; | |
5b9eb8ae | 182 | } |
7866a09b | 183 | else if (SCM_CHARP (prot)) |
0f2d19dd JB |
184 | { |
185 | i = sizeof (char) * k; | |
93778877 | 186 | return scm_makstr (i, 0); |
0f2d19dd JB |
187 | } |
188 | else if (SCM_INUMP (prot)) | |
189 | { | |
190 | i = sizeof (long) * k; | |
191 | if (SCM_INUM (prot) > 0) | |
192 | type = scm_tc7_uvect; | |
193 | else | |
194 | type = scm_tc7_ivect; | |
195 | } | |
74014c46 | 196 | else if (SCM_SYMBOLP (prot) && (1 == SCM_SYMBOL_LENGTH (prot))) |
0f2d19dd JB |
197 | { |
198 | char s; | |
199 | ||
86c991c2 | 200 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd JB |
201 | if (s == 's') |
202 | { | |
203 | i = sizeof (short) * k; | |
204 | type = scm_tc7_svect; | |
205 | } | |
5c11cc9d | 206 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
207 | else if (s == 'l') |
208 | { | |
209 | i = sizeof (long_long) * k; | |
210 | type = scm_tc7_llvect; | |
211 | } | |
212 | #endif | |
213 | else | |
214 | { | |
a8741caa | 215 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); |
0f2d19dd JB |
216 | } |
217 | } | |
5b9eb8ae | 218 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 219 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d GH |
220 | /* no special scm_vector */ |
221 | return scm_make_vector (SCM_MAKINUM (k), SCM_UNDEFINED); | |
bc86da5d | 222 | else if (singp (prot)) |
0f2d19dd JB |
223 | { |
224 | i = sizeof (float) * k; | |
225 | type = scm_tc7_fvect; | |
226 | } | |
eb42e2f0 | 227 | else if (SCM_COMPLEXP (prot)) |
0f2d19dd JB |
228 | { |
229 | i = 2 * sizeof (double) * k; | |
230 | type = scm_tc7_cvect; | |
231 | } | |
232 | else | |
233 | { | |
234 | i = sizeof (double) * k; | |
235 | type = scm_tc7_dvect; | |
236 | } | |
0f2d19dd | 237 | |
5b9eb8ae DH |
238 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_UVECTOR_MAX_LENGTH); |
239 | ||
0f2d19dd JB |
240 | SCM_NEWCELL (v); |
241 | SCM_DEFER_INTS; | |
6a0476fd | 242 | SCM_SET_UVECTOR_BASE (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
93778877 | 243 | SCM_SET_UVECTOR_LENGTH (v, k, type); |
0f2d19dd JB |
244 | SCM_ALLOW_INTS; |
245 | return v; | |
246 | } | |
a3a32939 DH |
247 | #undef FUNC_NAME |
248 | ||
0f2d19dd | 249 | |
3b3b36dd | 250 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1bbd0b84 | 251 | (SCM v), |
b380b885 | 252 | "Returns the number of elements in @var{uve}.") |
1bbd0b84 | 253 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
254 | { |
255 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 256 | switch SCM_TYP7 (v) |
0f2d19dd JB |
257 | { |
258 | default: | |
1bbd0b84 | 259 | badarg1:SCM_WTA(1,v); |
74014c46 DH |
260 | case scm_tc7_vector: |
261 | case scm_tc7_wvect: | |
262 | return SCM_MAKINUM (SCM_VECTOR_LENGTH (v)); | |
0f2d19dd | 263 | case scm_tc7_string: |
74014c46 DH |
264 | return SCM_MAKINUM (SCM_STRING_LENGTH (v)); |
265 | case scm_tc7_bvect: | |
266 | return SCM_MAKINUM (SCM_BITVECTOR_LENGTH (v)); | |
0f2d19dd JB |
267 | case scm_tc7_byvect: |
268 | case scm_tc7_uvect: | |
269 | case scm_tc7_ivect: | |
270 | case scm_tc7_fvect: | |
271 | case scm_tc7_dvect: | |
272 | case scm_tc7_cvect: | |
0f2d19dd | 273 | case scm_tc7_svect: |
5c11cc9d | 274 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
275 | case scm_tc7_llvect: |
276 | #endif | |
74014c46 | 277 | return SCM_MAKINUM (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
278 | } |
279 | } | |
1bbd0b84 | 280 | #undef FUNC_NAME |
0f2d19dd | 281 | |
3b3b36dd | 282 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 283 | (SCM v, SCM prot), |
b380b885 MD |
284 | "Returns @code{#t} if the @var{obj} is an array, and @code{#f} if not.\n\n" |
285 | "The @var{prototype} argument is used with uniform arrays and is described\n" | |
286 | "elsewhere.") | |
1bbd0b84 | 287 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
288 | { |
289 | int nprot; | |
290 | int enclosed; | |
291 | nprot = SCM_UNBNDP (prot); | |
292 | enclosed = 0; | |
293 | if (SCM_IMP (v)) | |
294 | return SCM_BOOL_F; | |
c209c88e GB |
295 | |
296 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 297 | { |
0f2d19dd JB |
298 | if (!SCM_ARRAYP (v)) |
299 | return SCM_BOOL_F; | |
300 | if (nprot) | |
301 | return SCM_BOOL_T; | |
302 | if (enclosed++) | |
303 | return SCM_BOOL_F; | |
304 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
305 | } |
306 | if (nprot) | |
307 | return SCM_BOOL(nprot); | |
308 | else | |
309 | { | |
310 | int protp = 0; | |
311 | ||
312 | switch (SCM_TYP7 (v)) | |
313 | { | |
314 | case scm_tc7_bvect: | |
9a09deb1 | 315 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
c209c88e | 316 | case scm_tc7_string: |
4260a7fc | 317 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
c209c88e | 318 | case scm_tc7_byvect: |
4260a7fc | 319 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
c209c88e GB |
320 | case scm_tc7_uvect: |
321 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
322 | case scm_tc7_ivect: | |
323 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
324 | ||
325 | case scm_tc7_svect: | |
326 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 327 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 328 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
5c11cc9d | 329 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
330 | case scm_tc7_llvect: |
331 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 332 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 333 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
0f2d19dd | 334 | #endif |
c209c88e | 335 | case scm_tc7_fvect: |
bc86da5d | 336 | protp = singp (prot); |
c209c88e GB |
337 | case scm_tc7_dvect: |
338 | protp = SCM_REALP(prot); | |
339 | case scm_tc7_cvect: | |
eb42e2f0 | 340 | protp = SCM_COMPLEXP(prot); |
c209c88e GB |
341 | case scm_tc7_vector: |
342 | case scm_tc7_wvect: | |
343 | protp = SCM_NULLP(prot); | |
344 | default: | |
345 | /* no default */ | |
346 | ; | |
347 | } | |
348 | return SCM_BOOL(protp); | |
0f2d19dd | 349 | } |
0f2d19dd | 350 | } |
1bbd0b84 | 351 | #undef FUNC_NAME |
0f2d19dd JB |
352 | |
353 | ||
3b3b36dd | 354 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 355 | (SCM ra), |
b380b885 MD |
356 | "Returns the number of dimensions of @var{obj}. If @var{obj} is not an\n" |
357 | "array, @code{0} is returned.") | |
1bbd0b84 | 358 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
359 | { |
360 | if (SCM_IMP (ra)) | |
1bbd0b84 | 361 | return SCM_INUM0; |
0f2d19dd JB |
362 | switch (SCM_TYP7 (ra)) |
363 | { | |
364 | default: | |
365 | return SCM_INUM0; | |
366 | case scm_tc7_string: | |
367 | case scm_tc7_vector: | |
95f5b0f5 | 368 | case scm_tc7_wvect: |
0f2d19dd JB |
369 | case scm_tc7_byvect: |
370 | case scm_tc7_uvect: | |
371 | case scm_tc7_ivect: | |
372 | case scm_tc7_fvect: | |
373 | case scm_tc7_cvect: | |
374 | case scm_tc7_dvect: | |
5c11cc9d | 375 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
376 | case scm_tc7_llvect: |
377 | #endif | |
378 | case scm_tc7_svect: | |
379 | return SCM_MAKINUM (1L); | |
380 | case scm_tc7_smob: | |
381 | if (SCM_ARRAYP (ra)) | |
382 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
383 | return SCM_INUM0; | |
384 | } | |
385 | } | |
1bbd0b84 | 386 | #undef FUNC_NAME |
0f2d19dd JB |
387 | |
388 | ||
3b3b36dd | 389 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 390 | (SCM ra), |
b380b885 MD |
391 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
392 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
393 | "@example\n" | |
394 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" | |
395 | "@end example") | |
1bbd0b84 | 396 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
397 | { |
398 | SCM res = SCM_EOL; | |
399 | scm_sizet k; | |
400 | scm_array_dim *s; | |
401 | if (SCM_IMP (ra)) | |
1bbd0b84 | 402 | return SCM_BOOL_F; |
0f2d19dd JB |
403 | switch (SCM_TYP7 (ra)) |
404 | { | |
405 | default: | |
406 | return SCM_BOOL_F; | |
407 | case scm_tc7_string: | |
408 | case scm_tc7_vector: | |
95f5b0f5 | 409 | case scm_tc7_wvect: |
0f2d19dd JB |
410 | case scm_tc7_bvect: |
411 | case scm_tc7_byvect: | |
412 | case scm_tc7_uvect: | |
413 | case scm_tc7_ivect: | |
414 | case scm_tc7_fvect: | |
415 | case scm_tc7_cvect: | |
416 | case scm_tc7_dvect: | |
417 | case scm_tc7_svect: | |
5c11cc9d | 418 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
419 | case scm_tc7_llvect: |
420 | #endif | |
74014c46 | 421 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
422 | case scm_tc7_smob: |
423 | if (!SCM_ARRAYP (ra)) | |
424 | return SCM_BOOL_F; | |
425 | k = SCM_ARRAY_NDIM (ra); | |
426 | s = SCM_ARRAY_DIMS (ra); | |
427 | while (k--) | |
e2d37336 MD |
428 | res = scm_cons (s[k].lbnd |
429 | ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), | |
430 | SCM_MAKINUM (s[k].ubnd), | |
431 | SCM_EOL) | |
432 | : SCM_MAKINUM (1 + s[k].ubnd), | |
433 | res); | |
0f2d19dd JB |
434 | return res; |
435 | } | |
436 | } | |
1bbd0b84 | 437 | #undef FUNC_NAME |
0f2d19dd JB |
438 | |
439 | ||
e2d37336 MD |
440 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
441 | (SCM ra), | |
442 | "Return the root vector of a shared array.") | |
443 | #define FUNC_NAME s_scm_shared_array_root | |
444 | { | |
445 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
446 | return SCM_ARRAY_V (ra); | |
447 | } | |
448 | #undef FUNC_NAME | |
449 | ||
450 | ||
451 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
452 | (SCM ra), | |
453 | "Return the root vector index of the first element in the array.") | |
454 | #define FUNC_NAME s_scm_shared_array_offset | |
455 | { | |
456 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
457 | return SCM_MAKINUM (SCM_ARRAY_BASE (ra)); | |
458 | } | |
459 | #undef FUNC_NAME | |
460 | ||
461 | ||
462 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
463 | (SCM ra), | |
464 | "For each dimension, return the distance between elements in the root vector.") | |
465 | #define FUNC_NAME s_scm_shared_array_increments | |
466 | { | |
467 | SCM res = SCM_EOL; | |
468 | scm_sizet k; | |
469 | scm_array_dim *s; | |
470 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
471 | k = SCM_ARRAY_NDIM (ra); | |
472 | s = SCM_ARRAY_DIMS (ra); | |
473 | while (k--) | |
474 | res = scm_cons (SCM_MAKINUM (s[k].inc), res); | |
475 | return res; | |
476 | } | |
477 | #undef FUNC_NAME | |
478 | ||
479 | ||
0f2d19dd JB |
480 | static char s_bad_ind[] = "Bad scm_array index"; |
481 | ||
1cc91f1b | 482 | |
0f2d19dd | 483 | long |
1bbd0b84 | 484 | scm_aind (SCM ra, SCM args, const char *what) |
0f2d19dd JB |
485 | { |
486 | SCM ind; | |
487 | register long j; | |
488 | register scm_sizet pos = SCM_ARRAY_BASE (ra); | |
489 | register scm_sizet k = SCM_ARRAY_NDIM (ra); | |
490 | scm_array_dim *s = SCM_ARRAY_DIMS (ra); | |
491 | if (SCM_INUMP (args)) | |
0f2d19dd | 492 | { |
f5bf2977 | 493 | SCM_ASSERT (1 == k, scm_makfrom0str (what), SCM_WNA, NULL); |
0f2d19dd JB |
494 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
495 | } | |
496 | while (k && SCM_NIMP (args)) | |
497 | { | |
498 | ind = SCM_CAR (args); | |
499 | args = SCM_CDR (args); | |
500 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, what); | |
501 | j = SCM_INUM (ind); | |
685c0d71 DH |
502 | if (j < s->lbnd || j > s->ubnd) |
503 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
504 | pos += (j - s->lbnd) * (s->inc); |
505 | k--; | |
506 | s++; | |
507 | } | |
f5bf2977 GH |
508 | SCM_ASSERT (0 == k && SCM_NULLP (args), scm_makfrom0str (what), SCM_WNA, |
509 | NULL); | |
0f2d19dd JB |
510 | return pos; |
511 | } | |
512 | ||
513 | ||
1cc91f1b | 514 | |
0f2d19dd | 515 | SCM |
1bbd0b84 | 516 | scm_make_ra (int ndim) |
0f2d19dd JB |
517 | { |
518 | SCM ra; | |
519 | SCM_NEWCELL (ra); | |
520 | SCM_DEFER_INTS; | |
23a62151 MD |
521 | SCM_NEWSMOB(ra, ((long) ndim << 17) + scm_tc16_array, |
522 | scm_must_malloc ((long) (sizeof (scm_array) + ndim * sizeof (scm_array_dim)), | |
0f2d19dd | 523 | "array")); |
0f2d19dd JB |
524 | SCM_ARRAY_V (ra) = scm_nullvect; |
525 | SCM_ALLOW_INTS; | |
526 | return ra; | |
527 | } | |
528 | ||
529 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
530 | /* Increments will still need to be set. */ | |
531 | ||
1cc91f1b | 532 | |
0f2d19dd | 533 | SCM |
1bbd0b84 | 534 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd JB |
535 | { |
536 | scm_array_dim *s; | |
537 | SCM ra, spec, sp; | |
538 | int ndim = scm_ilength (args); | |
539 | SCM_ASSERT (0 <= ndim, args, s_bad_spec, what); | |
540 | ra = scm_make_ra (ndim); | |
541 | SCM_ARRAY_BASE (ra) = 0; | |
542 | s = SCM_ARRAY_DIMS (ra); | |
a3a32939 | 543 | for (; !SCM_NULLP (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
544 | { |
545 | spec = SCM_CAR (args); | |
a3a32939 | 546 | if (SCM_INUMP (spec)) |
0f2d19dd | 547 | { |
a3a32939 | 548 | SCM_ASSERT (SCM_INUM (spec) >= 0, spec, s_bad_spec, what); |
0f2d19dd JB |
549 | s->lbnd = 0; |
550 | s->ubnd = SCM_INUM (spec) - 1; | |
551 | s->inc = 1; | |
552 | } | |
553 | else | |
554 | { | |
20a54673 GH |
555 | SCM_ASSERT (SCM_CONSP (spec) && SCM_INUMP (SCM_CAR (spec)), spec, |
556 | s_bad_spec, what); | |
0f2d19dd JB |
557 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
558 | sp = SCM_CDR (spec); | |
0c95b57d | 559 | SCM_ASSERT (SCM_CONSP (sp) |
20a54673 GH |
560 | && SCM_INUMP (SCM_CAR (sp)) && SCM_NULLP (SCM_CDR (sp)), |
561 | spec, s_bad_spec, what); | |
0f2d19dd JB |
562 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
563 | s->inc = 1; | |
564 | } | |
565 | } | |
566 | return ra; | |
567 | } | |
568 | ||
3b3b36dd | 569 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1bbd0b84 | 570 | (SCM dims, SCM prot, SCM fill), |
b380b885 MD |
571 | "@deffnx primitive make-uniform-vector length prototype [fill]\n" |
572 | "Creates and returns a uniform array or vector of type corresponding to\n" | |
573 | "@var{prototype} with dimensions @var{dims} or length @var{length}. If\n" | |
574 | "@var{fill} is supplied, it's used to fill the array, otherwise \n" | |
575 | "@var{prototype} is used.") | |
1bbd0b84 | 576 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 577 | { |
a3a32939 DH |
578 | scm_sizet k; |
579 | unsigned long int rlen = 1; | |
0f2d19dd JB |
580 | scm_array_dim *s; |
581 | SCM ra; | |
582 | if (SCM_INUMP (dims)) | |
cda139a7 | 583 | { |
5b9eb8ae | 584 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
a3a32939 DH |
585 | if (!SCM_UNBNDP (fill)) |
586 | scm_array_fill_x (answer, fill); | |
587 | else if (SCM_SYMBOLP (prot)) | |
588 | scm_array_fill_x (answer, SCM_MAKINUM (0)); | |
589 | else | |
590 | scm_array_fill_x (answer, prot); | |
591 | return answer; | |
cda139a7 | 592 | } |
0c95b57d GB |
593 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
594 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 595 | ra = scm_shap2ra (dims, FUNC_NAME); |
898a256f | 596 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
597 | s = SCM_ARRAY_DIMS (ra); |
598 | k = SCM_ARRAY_NDIM (ra); | |
599 | while (k--) | |
600 | { | |
a3a32939 DH |
601 | s[k].inc = rlen; |
602 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 603 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 604 | } |
a3a32939 | 605 | |
a3a32939 DH |
606 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
607 | ||
5c11cc9d | 608 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 609 | scm_array_fill_x (ra, fill); |
0c95b57d | 610 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
611 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
612 | else | |
613 | scm_array_fill_x (ra, prot); | |
a3a32939 | 614 | |
0f2d19dd JB |
615 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
616 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) | |
617 | return SCM_ARRAY_V (ra); | |
618 | return ra; | |
619 | } | |
1bbd0b84 | 620 | #undef FUNC_NAME |
0f2d19dd | 621 | |
1cc91f1b | 622 | |
0f2d19dd | 623 | void |
1bbd0b84 | 624 | scm_ra_set_contp (SCM ra) |
0f2d19dd JB |
625 | { |
626 | scm_sizet k = SCM_ARRAY_NDIM (ra); | |
0f2d19dd | 627 | if (k) |
0f2d19dd | 628 | { |
fe0c6dae JB |
629 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
630 | while (k--) | |
0f2d19dd | 631 | { |
fe0c6dae JB |
632 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
633 | { | |
898a256f | 634 | SCM_SETAND_CAR (ra, ~SCM_ARRAY_CONTIGUOUS); |
fe0c6dae JB |
635 | return; |
636 | } | |
637 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
638 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 639 | } |
0f2d19dd | 640 | } |
898a256f | 641 | SCM_SETOR_CAR (ra, SCM_ARRAY_CONTIGUOUS); |
0f2d19dd JB |
642 | } |
643 | ||
644 | ||
3b3b36dd | 645 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 646 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
647 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
648 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
649 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
650 | "linear, and its range must stay within the bounds of the old array, but\n" | |
651 | "it can be otherwise arbitrary. A simple example:\n" | |
652 | "@example\n" | |
653 | "(define fred (make-array #f 8 8))\n" | |
654 | "(define freds-diagonal\n" | |
655 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
656 | "(array-set! freds-diagonal 'foo 3)\n" | |
657 | "(array-ref fred 3 3) @result{} foo\n" | |
658 | "(define freds-center\n" | |
659 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
660 | "(array-ref freds-center 0 0) @result{} foo\n" | |
661 | "@end example") | |
1bbd0b84 | 662 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
663 | { |
664 | SCM ra; | |
665 | SCM inds, indptr; | |
666 | SCM imap; | |
667 | scm_sizet i, k; | |
668 | long old_min, new_min, old_max, new_max; | |
669 | scm_array_dim *s; | |
3b3b36dd GB |
670 | SCM_VALIDATE_ARRAY (1,oldra); |
671 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 672 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
673 | if (SCM_ARRAYP (oldra)) |
674 | { | |
675 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
676 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
677 | s = SCM_ARRAY_DIMS (oldra); | |
678 | k = SCM_ARRAY_NDIM (oldra); | |
679 | while (k--) | |
680 | { | |
681 | if (s[k].inc > 0) | |
682 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
683 | else | |
684 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
685 | } | |
686 | } | |
687 | else | |
688 | { | |
689 | SCM_ARRAY_V (ra) = oldra; | |
690 | old_min = 0; | |
74014c46 | 691 | old_max = SCM_INUM (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
692 | } |
693 | inds = SCM_EOL; | |
694 | s = SCM_ARRAY_DIMS (ra); | |
695 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
696 | { | |
697 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
698 | if (s[k].ubnd < s[k].lbnd) | |
699 | { | |
700 | if (1 == SCM_ARRAY_NDIM (ra)) | |
701 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
702 | else | |
703 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
704 | return ra; | |
705 | } | |
706 | } | |
92396c0a | 707 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 708 | if (SCM_ARRAYP (oldra)) |
1bbd0b84 | 709 | i = (scm_sizet) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
710 | else |
711 | { | |
712 | if (SCM_NINUMP (imap)) | |
713 | ||
714 | { | |
715 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 716 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
717 | imap = SCM_CAR (imap); |
718 | } | |
719 | i = SCM_INUM (imap); | |
720 | } | |
721 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
722 | indptr = inds; | |
723 | k = SCM_ARRAY_NDIM (ra); | |
724 | while (k--) | |
725 | { | |
726 | if (s[k].ubnd > s[k].lbnd) | |
727 | { | |
898a256f | 728 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
729 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
730 | if (SCM_ARRAYP (oldra)) | |
731 | ||
1bbd0b84 | 732 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
733 | else |
734 | { | |
735 | if (SCM_NINUMP (imap)) | |
736 | ||
737 | { | |
738 | SCM_ASSERT (1 == scm_ilength (imap) && SCM_INUMP (SCM_CAR (imap)), | |
1bbd0b84 | 739 | imap, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
740 | imap = SCM_CAR (imap); |
741 | } | |
742 | s[k].inc = (long) SCM_INUM (imap) - i; | |
743 | } | |
744 | i += s[k].inc; | |
745 | if (s[k].inc > 0) | |
746 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
747 | else | |
748 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
749 | } | |
750 | else | |
751 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
752 | indptr = SCM_CDR (indptr); | |
753 | } | |
754 | SCM_ASSERT (old_min <= new_min && old_max >= new_max, SCM_UNDEFINED, | |
1bbd0b84 | 755 | "mapping out of range", FUNC_NAME); |
0f2d19dd JB |
756 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
757 | { | |
74014c46 DH |
758 | SCM v = SCM_ARRAY_V (ra); |
759 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
760 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) | |
761 | return v; | |
0f2d19dd JB |
762 | if (s->ubnd < s->lbnd) |
763 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
764 | } | |
765 | scm_ra_set_contp (ra); | |
766 | return ra; | |
767 | } | |
1bbd0b84 | 768 | #undef FUNC_NAME |
0f2d19dd JB |
769 | |
770 | ||
771 | /* args are RA . DIMS */ | |
af45e3b0 DH |
772 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
773 | (SCM ra, SCM args), | |
b380b885 MD |
774 | "Returns an array sharing contents with @var{array}, but with dimensions\n" |
775 | "arranged in a different order. There must be one @var{dim} argument for\n" | |
776 | "each dimension of @var{array}. @var{dim0}, @var{dim1}, @dots{} should\n" | |
777 | "be integers between 0 and the rank of the array to be returned. Each\n" | |
778 | "integer in that range must appear at least once in the argument list.\n\n" | |
779 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to dimensions\n" | |
780 | "in the array to be returned, their positions in the argument list to\n" | |
781 | "dimensions of @var{array}. Several @var{dim}s may have the same value,\n" | |
782 | "in which case the returned array will have smaller rank than\n" | |
783 | "@var{array}.\n\n" | |
784 | "examples:\n" | |
785 | "@example\n" | |
786 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" | |
787 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
788 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
789 | " #2((a 4) (b 5) (c 6))\n" | |
790 | "@end example") | |
1bbd0b84 | 791 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 792 | { |
af45e3b0 | 793 | SCM res, vargs, *ve = &vargs; |
0f2d19dd JB |
794 | scm_array_dim *s, *r; |
795 | int ndim, i, k; | |
af45e3b0 | 796 | |
1bbd0b84 | 797 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 798 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
799 | { |
800 | default: | |
1bbd0b84 | 801 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
802 | case scm_tc7_bvect: |
803 | case scm_tc7_string: | |
804 | case scm_tc7_byvect: | |
805 | case scm_tc7_uvect: | |
806 | case scm_tc7_ivect: | |
807 | case scm_tc7_fvect: | |
808 | case scm_tc7_dvect: | |
809 | case scm_tc7_cvect: | |
810 | case scm_tc7_svect: | |
5c11cc9d | 811 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
812 | case scm_tc7_llvect: |
813 | #endif | |
af45e3b0 | 814 | SCM_ASSERT (!SCM_NULLP (args) && SCM_NULLP (SCM_CDR (args)), |
1bbd0b84 | 815 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 816 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), SCM_CAR (args), SCM_ARG2, |
1bbd0b84 | 817 | FUNC_NAME); |
685c0d71 DH |
818 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), |
819 | SCM_EQ_P (SCM_INUM0, SCM_CAR (args))); | |
0f2d19dd JB |
820 | return ra; |
821 | case scm_tc7_smob: | |
822 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
823 | vargs = scm_vector (args); | |
74014c46 | 824 | SCM_ASSERT (SCM_VECTOR_LENGTH (vargs) == SCM_ARRAY_NDIM (ra), |
1bbd0b84 | 825 | scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
f5bf2977 | 826 | ve = SCM_VELTS (vargs); |
0f2d19dd JB |
827 | ndim = 0; |
828 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
829 | { | |
20a54673 | 830 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 831 | FUNC_NAME); |
0f2d19dd | 832 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
833 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
834 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
835 | if (ndim < i) |
836 | ndim = i; | |
837 | } | |
838 | ndim++; | |
839 | res = scm_make_ra (ndim); | |
840 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
841 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
842 | for (k = ndim; k--;) | |
843 | { | |
844 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
845 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
846 | } | |
847 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
848 | { | |
849 | i = SCM_INUM (ve[k]); | |
850 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
851 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
852 | if (r->ubnd < r->lbnd) | |
853 | { | |
854 | r->lbnd = s->lbnd; | |
855 | r->ubnd = s->ubnd; | |
856 | r->inc = s->inc; | |
857 | ndim--; | |
858 | } | |
859 | else | |
860 | { | |
861 | if (r->ubnd > s->ubnd) | |
862 | r->ubnd = s->ubnd; | |
863 | if (r->lbnd < s->lbnd) | |
864 | { | |
865 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
866 | r->lbnd = s->lbnd; | |
867 | } | |
868 | r->inc += s->inc; | |
869 | } | |
870 | } | |
1bbd0b84 | 871 | SCM_ASSERT (ndim <= 0, args, "bad argument list", FUNC_NAME); |
0f2d19dd JB |
872 | scm_ra_set_contp (res); |
873 | return res; | |
874 | } | |
875 | } | |
1bbd0b84 | 876 | #undef FUNC_NAME |
0f2d19dd JB |
877 | |
878 | /* args are RA . AXES */ | |
af45e3b0 DH |
879 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
880 | (SCM ra, SCM axes), | |
b380b885 MD |
881 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
882 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
883 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
884 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
885 | "the dimensions of the outer array are the same as those of the original\n" | |
886 | "array that did not match a @var{dim}.\n\n" | |
887 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
888 | "be set using @code{array-set!}. Two references to the same element of\n" | |
889 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
890 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
891 | "enclosed array is unspecified.\n\n" | |
892 | "examples:\n" | |
893 | "@example\n" | |
894 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" | |
895 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
896 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
897 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
898 | "@end example") | |
1bbd0b84 | 899 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 900 | { |
af45e3b0 | 901 | SCM axv, res, ra_inr; |
0f2d19dd JB |
902 | scm_array_dim vdim, *s = &vdim; |
903 | int ndim, j, k, ninr, noutr; | |
af45e3b0 | 904 | |
0f2d19dd | 905 | if (SCM_NULLP (axes)) |
0f2d19dd JB |
906 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
907 | ninr = scm_ilength (axes); | |
af45e3b0 | 908 | SCM_ASSERT (0 <= ninr, scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
0f2d19dd JB |
909 | ra_inr = scm_make_ra (ninr); |
910 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 911 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
912 | { |
913 | default: | |
1bbd0b84 | 914 | badarg1:SCM_WTA (1,ra); |
0f2d19dd JB |
915 | case scm_tc7_string: |
916 | case scm_tc7_bvect: | |
917 | case scm_tc7_byvect: | |
918 | case scm_tc7_uvect: | |
919 | case scm_tc7_ivect: | |
920 | case scm_tc7_fvect: | |
921 | case scm_tc7_dvect: | |
922 | case scm_tc7_cvect: | |
923 | case scm_tc7_vector: | |
95f5b0f5 | 924 | case scm_tc7_wvect: |
0f2d19dd | 925 | case scm_tc7_svect: |
5c11cc9d | 926 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
927 | case scm_tc7_llvect: |
928 | #endif | |
929 | s->lbnd = 0; | |
74014c46 | 930 | s->ubnd = SCM_INUM (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
931 | s->inc = 1; |
932 | SCM_ARRAY_V (ra_inr) = ra; | |
933 | SCM_ARRAY_BASE (ra_inr) = 0; | |
934 | ndim = 1; | |
935 | break; | |
936 | case scm_tc7_smob: | |
937 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
938 | s = SCM_ARRAY_DIMS (ra); | |
939 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
940 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
941 | ndim = SCM_ARRAY_NDIM (ra); | |
942 | break; | |
943 | } | |
944 | noutr = ndim - ninr; | |
7866a09b | 945 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
af45e3b0 | 946 | SCM_ASSERT (0 <= noutr, scm_makfrom0str (FUNC_NAME), SCM_WNA, NULL); |
0f2d19dd JB |
947 | res = scm_make_ra (noutr); |
948 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
949 | SCM_ARRAY_V (res) = ra_inr; | |
950 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
951 | { | |
1bbd0b84 | 952 | SCM_ASSERT (SCM_INUMP (SCM_CAR (axes)), SCM_CAR (axes), "bad axis", FUNC_NAME); |
0f2d19dd JB |
953 | j = SCM_INUM (SCM_CAR (axes)); |
954 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
955 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
956 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 957 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
958 | } |
959 | for (j = 0, k = 0; k < noutr; k++, j++) | |
960 | { | |
405aaef9 | 961 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
962 | j++; |
963 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
964 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
965 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
966 | } | |
967 | scm_ra_set_contp (ra_inr); | |
968 | scm_ra_set_contp (res); | |
969 | return res; | |
970 | } | |
1bbd0b84 | 971 | #undef FUNC_NAME |
0f2d19dd JB |
972 | |
973 | ||
974 | ||
af45e3b0 DH |
975 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
976 | (SCM v, SCM args), | |
b380b885 | 977 | "Returns @code{#t} if its arguments would be acceptable to array-ref.") |
1bbd0b84 | 978 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 979 | { |
af45e3b0 | 980 | SCM ind = SCM_EOL; |
0f2d19dd JB |
981 | long pos = 0; |
982 | register scm_sizet k; | |
983 | register long j; | |
984 | scm_array_dim *s; | |
af45e3b0 | 985 | |
0f2d19dd JB |
986 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
987 | if (SCM_NIMP (args)) | |
988 | ||
989 | { | |
990 | ind = SCM_CAR (args); | |
991 | args = SCM_CDR (args); | |
1bbd0b84 | 992 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
993 | pos = SCM_INUM (ind); |
994 | } | |
995 | tail: | |
74014c46 | 996 | switch SCM_TYP7 (v) |
0f2d19dd JB |
997 | { |
998 | default: | |
1bbd0b84 GB |
999 | badarg1:SCM_WTA (1,v); |
1000 | wna: scm_wrong_num_args (scm_makfrom0str (FUNC_NAME)); | |
0f2d19dd JB |
1001 | case scm_tc7_smob: |
1002 | k = SCM_ARRAY_NDIM (v); | |
1003 | s = SCM_ARRAY_DIMS (v); | |
1004 | pos = SCM_ARRAY_BASE (v); | |
1005 | if (!k) | |
1006 | { | |
1007 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1008 | ind = SCM_INUM0; | |
1009 | } | |
1010 | else | |
1011 | while (!0) | |
1012 | { | |
1013 | j = SCM_INUM (ind); | |
1014 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1015 | { | |
1016 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1017 | return SCM_BOOL_F; | |
1018 | } | |
1019 | pos += (j - s->lbnd) * (s->inc); | |
1020 | if (!(--k && SCM_NIMP (args))) | |
1021 | break; | |
1022 | ind = SCM_CAR (args); | |
1023 | args = SCM_CDR (args); | |
1024 | s++; | |
1bbd0b84 | 1025 | SCM_ASSERT (SCM_INUMP (ind), ind, s_bad_ind, FUNC_NAME); |
0f2d19dd JB |
1026 | } |
1027 | SCM_ASRTGO (0 == k, wna); | |
1028 | v = SCM_ARRAY_V (v); | |
1029 | goto tail; | |
1030 | case scm_tc7_bvect: | |
1031 | case scm_tc7_string: | |
1032 | case scm_tc7_byvect: | |
1033 | case scm_tc7_uvect: | |
1034 | case scm_tc7_ivect: | |
1035 | case scm_tc7_fvect: | |
1036 | case scm_tc7_dvect: | |
1037 | case scm_tc7_cvect: | |
1038 | case scm_tc7_svect: | |
5c11cc9d | 1039 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1040 | case scm_tc7_llvect: |
1041 | #endif | |
1042 | case scm_tc7_vector: | |
95f5b0f5 | 1043 | case scm_tc7_wvect: |
74014c46 DH |
1044 | { |
1045 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
1046 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); | |
1047 | return SCM_BOOL(pos >= 0 && pos < length); | |
1048 | } | |
0f2d19dd JB |
1049 | } |
1050 | } | |
1bbd0b84 | 1051 | #undef FUNC_NAME |
0f2d19dd JB |
1052 | |
1053 | ||
1bbd0b84 | 1054 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1055 | |
1bbd0b84 | 1056 | |
3b3b36dd | 1057 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1058 | (SCM v, SCM args), |
ec57ce2e | 1059 | "@deffnx primitive array-ref v . args\n" |
b380b885 | 1060 | "Returns the element at the @code{(index1, index2)} element in @var{array}.") |
1bbd0b84 | 1061 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd JB |
1062 | { |
1063 | long pos; | |
0f2d19dd | 1064 | |
35de7ebe | 1065 | if (SCM_IMP (v)) |
0f2d19dd JB |
1066 | { |
1067 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1068 | return v; | |
1069 | } | |
1070 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1071 | { |
1bbd0b84 | 1072 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1073 | v = SCM_ARRAY_V (v); |
1074 | } | |
1075 | else | |
1076 | { | |
74014c46 | 1077 | unsigned long int length; |
0f2d19dd | 1078 | if (SCM_NIMP (args)) |
0f2d19dd | 1079 | { |
1bbd0b84 | 1080 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1081 | pos = SCM_INUM (SCM_CAR (args)); |
1082 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1083 | } | |
1084 | else | |
1085 | { | |
3b3b36dd | 1086 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1087 | pos = SCM_INUM (args); |
1088 | } | |
74014c46 DH |
1089 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1090 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd | 1091 | } |
74014c46 | 1092 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1093 | { |
1094 | default: | |
1095 | if (SCM_NULLP (args)) | |
1096 | return v; | |
35de7ebe | 1097 | badarg: |
1bbd0b84 | 1098 | SCM_WTA (1,v); |
35de7ebe | 1099 | abort (); |
c209c88e GB |
1100 | |
1101 | outrng: | |
1102 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1103 | wna: | |
1104 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1105 | case scm_tc7_smob: |
1106 | { /* enclosed */ | |
1107 | int k = SCM_ARRAY_NDIM (v); | |
1108 | SCM res = scm_make_ra (k); | |
1109 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1110 | SCM_ARRAY_BASE (res) = pos; | |
1111 | while (k--) | |
1112 | { | |
1113 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1114 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1115 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1116 | } | |
1117 | return res; | |
1118 | } | |
1119 | case scm_tc7_bvect: | |
c209c88e | 1120 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1121 | return SCM_BOOL_T; |
1122 | else | |
1123 | return SCM_BOOL_F; | |
1124 | case scm_tc7_string: | |
322ac0c5 | 1125 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1126 | case scm_tc7_byvect: |
405aaef9 | 1127 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1128 | case scm_tc7_uvect: |
fee7ef83 | 1129 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1130 | case scm_tc7_ivect: |
fee7ef83 | 1131 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1132 | |
1133 | case scm_tc7_svect: | |
4260a7fc | 1134 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1135 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1136 | case scm_tc7_llvect: |
4260a7fc | 1137 | return scm_long_long2num (((long_long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1138 | #endif |
1139 | ||
0f2d19dd | 1140 | case scm_tc7_fvect: |
4260a7fc | 1141 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1142 | case scm_tc7_dvect: |
4260a7fc | 1143 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1144 | case scm_tc7_cvect: |
4260a7fc DH |
1145 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1146 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1147 | case scm_tc7_vector: |
95f5b0f5 | 1148 | case scm_tc7_wvect: |
0f2d19dd JB |
1149 | return SCM_VELTS (v)[pos]; |
1150 | } | |
1151 | } | |
1bbd0b84 | 1152 | #undef FUNC_NAME |
0f2d19dd JB |
1153 | |
1154 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1155 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1156 | |
0f2d19dd | 1157 | SCM |
6e8d25a6 | 1158 | scm_cvref (SCM v, scm_sizet pos, SCM last) |
0f2d19dd | 1159 | { |
5c11cc9d | 1160 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1161 | { |
1162 | default: | |
1163 | scm_wta (v, (char *) SCM_ARG1, "PROGRAMMING ERROR: scm_cvref"); | |
1164 | case scm_tc7_bvect: | |
c209c88e | 1165 | if (SCM_BITVEC_REF(v,pos)) |
0f2d19dd JB |
1166 | return SCM_BOOL_T; |
1167 | else | |
1168 | return SCM_BOOL_F; | |
1169 | case scm_tc7_string: | |
322ac0c5 | 1170 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1171 | case scm_tc7_byvect: |
405aaef9 | 1172 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1173 | case scm_tc7_uvect: |
fee7ef83 | 1174 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1175 | case scm_tc7_ivect: |
fee7ef83 | 1176 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1177 | case scm_tc7_svect: |
4260a7fc | 1178 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1179 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1180 | case scm_tc7_llvect: |
4260a7fc | 1181 | return scm_long_long2num (((long_long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1182 | #endif |
0f2d19dd | 1183 | case scm_tc7_fvect: |
fee7ef83 | 1184 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1185 | { |
4260a7fc | 1186 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1187 | return last; |
1188 | } | |
4260a7fc | 1189 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1190 | case scm_tc7_dvect: |
fee7ef83 | 1191 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1192 | { |
4260a7fc | 1193 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1194 | return last; |
1195 | } | |
4260a7fc | 1196 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1197 | case scm_tc7_cvect: |
bc86da5d | 1198 | if (SCM_NIMP (last) && SCM_SLOPPY_COMPLEXP (last)) |
0f2d19dd | 1199 | { |
4260a7fc DH |
1200 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1201 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1202 | return last; |
1203 | } | |
4260a7fc DH |
1204 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1205 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1206 | case scm_tc7_vector: |
95f5b0f5 | 1207 | case scm_tc7_wvect: |
0f2d19dd JB |
1208 | return SCM_VELTS (v)[pos]; |
1209 | case scm_tc7_smob: | |
1210 | { /* enclosed scm_array */ | |
1211 | int k = SCM_ARRAY_NDIM (v); | |
1212 | SCM res = scm_make_ra (k); | |
1213 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1214 | SCM_ARRAY_BASE (res) = pos; | |
1215 | while (k--) | |
1216 | { | |
1217 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1218 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1219 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1220 | } | |
1221 | return res; | |
1222 | } | |
1223 | } | |
1224 | } | |
1225 | ||
1bbd0b84 GB |
1226 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1227 | ||
1cc91f1b | 1228 | |
0aa0871f GH |
1229 | /* Note that args may be a list or an immediate object, depending which |
1230 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1231 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1232 | (SCM v, SCM obj, SCM args), |
ec57ce2e | 1233 | "@deffnx primitive uniform-array-set1! v obj args\n" |
b380b885 MD |
1234 | "Sets the element at the @code{(index1, index2)} element in @var{array} to\n" |
1235 | "@var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1236 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1237 | { |
f3667f52 | 1238 | long pos = 0; |
0f2d19dd JB |
1239 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1240 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1241 | { |
1bbd0b84 | 1242 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1243 | v = SCM_ARRAY_V (v); |
1244 | } | |
1245 | else | |
1246 | { | |
74014c46 | 1247 | unsigned long int length; |
0f2d19dd | 1248 | if (SCM_NIMP (args)) |
0f2d19dd | 1249 | { |
0aa0871f | 1250 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1251 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1252 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1253 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1254 | } |
1255 | else | |
1256 | { | |
3b3b36dd | 1257 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd | 1258 | } |
74014c46 DH |
1259 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1260 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd JB |
1261 | } |
1262 | switch (SCM_TYP7 (v)) | |
1263 | { | |
35de7ebe | 1264 | default: badarg1: |
1bbd0b84 | 1265 | SCM_WTA (1,v); |
35de7ebe | 1266 | abort (); |
c209c88e GB |
1267 | outrng: |
1268 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1269 | wna: | |
1270 | scm_wrong_num_args (SCM_FUNC_NAME); | |
0f2d19dd JB |
1271 | case scm_tc7_smob: /* enclosed */ |
1272 | goto badarg1; | |
1273 | case scm_tc7_bvect: | |
4260a7fc | 1274 | if (SCM_FALSEP (obj)) |
c209c88e | 1275 | SCM_BITVEC_CLR(v,pos); |
9a09deb1 | 1276 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c209c88e | 1277 | SCM_BITVEC_SET(v,pos); |
0f2d19dd | 1278 | else |
1bbd0b84 | 1279 | badobj:SCM_WTA (2,obj); |
0f2d19dd JB |
1280 | break; |
1281 | case scm_tc7_string: | |
7866a09b | 1282 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1283 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1284 | break; |
1285 | case scm_tc7_byvect: | |
7866a09b GB |
1286 | if (SCM_CHARP (obj)) |
1287 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1288 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1289 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1290 | break; |
1bbd0b84 | 1291 | case scm_tc7_uvect: |
f1267706 | 1292 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2ulong(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1293 | break; |
1bbd0b84 | 1294 | case scm_tc7_ivect: |
f1267706 | 1295 | SCM_VELTS(v)[pos] = SCM_PACK (scm_num2long(obj, (char *)SCM_ARG2, FUNC_NAME)); |
c209c88e | 1296 | break; |
0f2d19dd | 1297 | case scm_tc7_svect: |
0aa0871f | 1298 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
4260a7fc | 1299 | ((short *) SCM_CELL_WORD_1 (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1300 | break; |
5c11cc9d | 1301 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1302 | case scm_tc7_llvect: |
4260a7fc | 1303 | ((long_long *) SCM_CELL_WORD_1 (v))[pos] = scm_num2long_long (obj, (char *)SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1304 | break; |
1305 | #endif | |
1306 | ||
1307 | ||
0f2d19dd | 1308 | case scm_tc7_fvect: |
4260a7fc | 1309 | ((float *) SCM_CELL_WORD_1 (v))[pos] = (float) scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd | 1310 | break; |
0f2d19dd | 1311 | case scm_tc7_dvect: |
4260a7fc | 1312 | ((double *) SCM_CELL_WORD_1 (v))[pos] = scm_num2dbl (obj, FUNC_NAME); |
0f2d19dd JB |
1313 | break; |
1314 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1315 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1316 | if (SCM_REALP (obj)) { | |
1317 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos] = SCM_REAL_VALUE (obj); | |
1318 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1] = 0.0; | |
1319 | } else { | |
1320 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos] = SCM_COMPLEX_REAL (obj); | |
1321 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
1322 | } | |
0f2d19dd | 1323 | break; |
0f2d19dd | 1324 | case scm_tc7_vector: |
95f5b0f5 | 1325 | case scm_tc7_wvect: |
0f2d19dd JB |
1326 | SCM_VELTS (v)[pos] = obj; |
1327 | break; | |
1328 | } | |
1329 | return SCM_UNSPECIFIED; | |
1330 | } | |
1bbd0b84 | 1331 | #undef FUNC_NAME |
0f2d19dd | 1332 | |
1d7bdb25 GH |
1333 | /* attempts to unroll an array into a one-dimensional array. |
1334 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1335 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1336 | wouldn't have contiguous elements. */ |
3b3b36dd | 1337 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1338 | (SCM ra, SCM strict), |
b380b885 MD |
1339 | "@deffnx primitive array-contents array strict\n" |
1340 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" | |
1341 | "without changing their order (last subscript changing fastest), then\n" | |
1342 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1343 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1344 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1345 | "@var{make-shared-array} may not be.\n\n" | |
1346 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1347 | "be returned only if its elements are stored internally contiguous in\n" | |
1348 | "memory.") | |
1bbd0b84 | 1349 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1350 | { |
1351 | SCM sra; | |
1352 | if (SCM_IMP (ra)) | |
f3667f52 | 1353 | return SCM_BOOL_F; |
5c11cc9d | 1354 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1355 | { |
1356 | default: | |
1357 | return SCM_BOOL_F; | |
1358 | case scm_tc7_vector: | |
95f5b0f5 | 1359 | case scm_tc7_wvect: |
0f2d19dd JB |
1360 | case scm_tc7_string: |
1361 | case scm_tc7_bvect: | |
1362 | case scm_tc7_byvect: | |
1363 | case scm_tc7_uvect: | |
1364 | case scm_tc7_ivect: | |
1365 | case scm_tc7_fvect: | |
1366 | case scm_tc7_dvect: | |
1367 | case scm_tc7_cvect: | |
1368 | case scm_tc7_svect: | |
5c11cc9d | 1369 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1370 | case scm_tc7_llvect: |
1371 | #endif | |
1372 | return ra; | |
1373 | case scm_tc7_smob: | |
1374 | { | |
1375 | scm_sizet k, ndim = SCM_ARRAY_NDIM (ra), len = 1; | |
1376 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) | |
1377 | return SCM_BOOL_F; | |
1378 | for (k = 0; k < ndim; k++) | |
1379 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1380 | if (!SCM_UNBNDP (strict)) | |
1381 | { | |
0f2d19dd JB |
1382 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1383 | return SCM_BOOL_F; | |
1384 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1385 | { | |
74014c46 | 1386 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
0f2d19dd JB |
1387 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1388 | len % SCM_LONG_BIT) | |
1389 | return SCM_BOOL_F; | |
1390 | } | |
1391 | } | |
74014c46 DH |
1392 | |
1393 | { | |
1394 | SCM v = SCM_ARRAY_V (ra); | |
1395 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); | |
1396 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) | |
1397 | return v; | |
1398 | } | |
1399 | ||
0f2d19dd JB |
1400 | sra = scm_make_ra (1); |
1401 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1402 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1403 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1404 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1405 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1406 | return sra; | |
1407 | } | |
1408 | } | |
1409 | } | |
1bbd0b84 | 1410 | #undef FUNC_NAME |
0f2d19dd | 1411 | |
1cc91f1b | 1412 | |
0f2d19dd | 1413 | SCM |
6e8d25a6 | 1414 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1415 | { |
1416 | SCM ret; | |
1417 | long inc = 1; | |
1418 | scm_sizet k, len = 1; | |
1419 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
1420 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1421 | k = SCM_ARRAY_NDIM (ra); | |
1422 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1423 | { | |
74014c46 | 1424 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1425 | return ra; |
74014c46 | 1426 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
0f2d19dd JB |
1427 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1428 | 0 == len % SCM_LONG_BIT)) | |
1429 | return ra; | |
1430 | } | |
1431 | ret = scm_make_ra (k); | |
1432 | SCM_ARRAY_BASE (ret) = 0; | |
1433 | while (k--) | |
1434 | { | |
1435 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1436 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1437 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1438 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1439 | } | |
1440 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1441 | if (copy) | |
1442 | scm_array_copy_x (ra, ret); | |
1443 | return ret; | |
1444 | } | |
1445 | ||
1446 | ||
1447 | ||
3b3b36dd | 1448 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1449 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1450 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1451 | "Attempts to read all elements of @var{ura}, in lexicographic order, as\n" | |
1452 | "binary objects from @var{port-or-fdes}.\n" | |
1453 | "If an end of file is encountered during\n" | |
1454 | "uniform-array-read! the objects up to that point only are put into @var{ura}\n" | |
1455 | "(starting at the beginning) and the remainder of the array is\n" | |
1456 | "unchanged.\n\n" | |
1457 | "The optional arguments @var{start} and @var{end} allow\n" | |
1458 | "a specified region of a vector (or linearized array) to be read,\n" | |
1459 | "leaving the remainder of the vector unchanged.\n\n" | |
1460 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1461 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1462 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1463 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1464 | { |
35de7ebe | 1465 | SCM cra = SCM_UNDEFINED, v = ra; |
3d8d56df | 1466 | long sz, vlen, ans; |
1146b6cd GH |
1467 | long cstart = 0; |
1468 | long cend; | |
1469 | long offset = 0; | |
405aaef9 | 1470 | char *base; |
35de7ebe | 1471 | |
0f2d19dd | 1472 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1473 | if (SCM_UNBNDP (port_or_fd)) |
1474 | port_or_fd = scm_cur_inp; | |
1475 | else | |
1476 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1477 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1478 | port_or_fd, SCM_ARG2, FUNC_NAME); |
74014c46 | 1479 | vlen = SCM_INUM (scm_uniform_vector_length (v)); |
35de7ebe | 1480 | |
0f2d19dd | 1481 | loop: |
35de7ebe | 1482 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1483 | { |
1484 | default: | |
5d2d2ffc | 1485 | badarg1:SCM_WTA (SCM_ARG1,v); |
0f2d19dd JB |
1486 | case scm_tc7_smob: |
1487 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1488 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1489 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1490 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1491 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1492 | v = SCM_ARRAY_V (cra); | |
1493 | goto loop; | |
1494 | case scm_tc7_string: | |
74014c46 | 1495 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1496 | sz = sizeof (char); |
1497 | break; | |
1498 | case scm_tc7_bvect: | |
74014c46 | 1499 | base = (char *) SCM_BITVECTOR_BASE (v); |
3d8d56df | 1500 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1501 | cstart /= SCM_LONG_BIT; |
74014c46 DH |
1502 | sz = sizeof (long); |
1503 | break; | |
1504 | case scm_tc7_byvect: | |
1505 | base = (char *) SCM_UVECTOR_BASE (v); | |
1506 | sz = sizeof (char); | |
1507 | break; | |
0f2d19dd JB |
1508 | case scm_tc7_uvect: |
1509 | case scm_tc7_ivect: | |
74014c46 | 1510 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1511 | sz = sizeof (long); |
1512 | break; | |
1513 | case scm_tc7_svect: | |
74014c46 | 1514 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1515 | sz = sizeof (short); |
1516 | break; | |
5c11cc9d | 1517 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1518 | case scm_tc7_llvect: |
74014c46 | 1519 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1520 | sz = sizeof (long_long); |
1521 | break; | |
1522 | #endif | |
0f2d19dd | 1523 | case scm_tc7_fvect: |
74014c46 | 1524 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1525 | sz = sizeof (float); |
1526 | break; | |
0f2d19dd | 1527 | case scm_tc7_dvect: |
74014c46 | 1528 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1529 | sz = sizeof (double); |
1530 | break; | |
1531 | case scm_tc7_cvect: | |
74014c46 | 1532 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1533 | sz = 2 * sizeof (double); |
1534 | break; | |
0f2d19dd | 1535 | } |
405aaef9 | 1536 | |
1146b6cd GH |
1537 | cend = vlen; |
1538 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1539 | { |
1146b6cd | 1540 | offset = |
4638e087 | 1541 | SCM_NUM2LONG (3, start); |
35de7ebe | 1542 | |
1146b6cd | 1543 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1544 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1545 | |
1546 | if (!SCM_UNBNDP (end)) | |
1547 | { | |
1548 | long tend = | |
4638e087 | 1549 | SCM_NUM2LONG (4, end); |
3d8d56df | 1550 | |
1146b6cd | 1551 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1552 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1553 | cend = tend; |
1554 | } | |
0f2d19dd | 1555 | } |
35de7ebe | 1556 | |
3d8d56df GH |
1557 | if (SCM_NIMP (port_or_fd)) |
1558 | { | |
6c951427 GH |
1559 | scm_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
1560 | int remaining = (cend - offset) * sz; | |
405aaef9 | 1561 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1562 | |
1563 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1564 | scm_flush (port_or_fd); |
6c951427 GH |
1565 | |
1566 | ans = cend - offset; | |
1567 | while (remaining > 0) | |
3d8d56df | 1568 | { |
6c951427 GH |
1569 | if (pt->read_pos < pt->read_end) |
1570 | { | |
1571 | int to_copy = min (pt->read_end - pt->read_pos, | |
1572 | remaining); | |
1573 | ||
1574 | memcpy (dest, pt->read_pos, to_copy); | |
1575 | pt->read_pos += to_copy; | |
1576 | remaining -= to_copy; | |
1577 | dest += to_copy; | |
1578 | } | |
1579 | else | |
1580 | { | |
affc96b5 | 1581 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1582 | { |
1583 | if (remaining % sz != 0) | |
1584 | { | |
5d2d2ffc | 1585 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1586 | } |
1587 | ans -= remaining / sz; | |
1588 | break; | |
1589 | } | |
6c951427 | 1590 | } |
3d8d56df | 1591 | } |
6c951427 GH |
1592 | |
1593 | if (pt->rw_random) | |
1594 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1595 | } |
1596 | else /* file descriptor. */ | |
1597 | { | |
1598 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1599 | base + (cstart + offset) * sz, |
1146b6cd | 1600 | (scm_sizet) (sz * (cend - offset)))); |
3d8d56df | 1601 | if (ans == -1) |
1bbd0b84 | 1602 | SCM_SYSERROR; |
3d8d56df | 1603 | } |
0f2d19dd JB |
1604 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1605 | ans *= SCM_LONG_BIT; | |
35de7ebe | 1606 | |
fee7ef83 | 1607 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1608 | scm_array_copy_x (cra, ra); |
35de7ebe | 1609 | |
0f2d19dd JB |
1610 | return SCM_MAKINUM (ans); |
1611 | } | |
1bbd0b84 | 1612 | #undef FUNC_NAME |
0f2d19dd | 1613 | |
3b3b36dd | 1614 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1615 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1616 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
1617 | "Writes all elements of @var{ura} as binary objects to\n" | |
1618 | "@var{port-or-fdes}.\n\n" | |
1619 | "The optional arguments @var{start}\n" | |
1620 | "and @var{end} allow\n" | |
1621 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
1622 | "The number of objects actually written is returned. \n" | |
1623 | "@var{port-or-fdes} may be\n" | |
1624 | "omitted, in which case it defaults to the value returned by\n" | |
1625 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1626 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1627 | { |
3d8d56df | 1628 | long sz, vlen, ans; |
1146b6cd GH |
1629 | long offset = 0; |
1630 | long cstart = 0; | |
1631 | long cend; | |
405aaef9 | 1632 | char *base; |
3d8d56df | 1633 | |
78446828 MV |
1634 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1635 | ||
0f2d19dd | 1636 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1637 | if (SCM_UNBNDP (port_or_fd)) |
1638 | port_or_fd = scm_cur_outp; | |
1639 | else | |
1640 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1641 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1642 | port_or_fd, SCM_ARG2, FUNC_NAME); |
74014c46 | 1643 | vlen = SCM_INUM (scm_uniform_vector_length (v)); |
3d8d56df | 1644 | |
0f2d19dd | 1645 | loop: |
3d8d56df | 1646 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1647 | { |
1648 | default: | |
4638e087 | 1649 | badarg1:SCM_WTA (1, v); |
0f2d19dd JB |
1650 | case scm_tc7_smob: |
1651 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1652 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1653 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1654 | vlen = SCM_ARRAY_DIMS (v)->inc |
1655 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1656 | v = SCM_ARRAY_V (v); |
1657 | goto loop; | |
0f2d19dd | 1658 | case scm_tc7_string: |
74014c46 | 1659 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1660 | sz = sizeof (char); |
1661 | break; | |
1662 | case scm_tc7_bvect: | |
74014c46 | 1663 | base = (char *) SCM_BITVECTOR_BASE (v); |
3d8d56df | 1664 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1146b6cd | 1665 | cstart /= SCM_LONG_BIT; |
74014c46 DH |
1666 | sz = sizeof (long); |
1667 | break; | |
1668 | case scm_tc7_byvect: | |
1669 | base = (char *) SCM_UVECTOR_BASE (v); | |
1670 | sz = sizeof (char); | |
1671 | break; | |
0f2d19dd JB |
1672 | case scm_tc7_uvect: |
1673 | case scm_tc7_ivect: | |
74014c46 | 1674 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1675 | sz = sizeof (long); |
1676 | break; | |
1677 | case scm_tc7_svect: | |
74014c46 | 1678 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1679 | sz = sizeof (short); |
1680 | break; | |
5c11cc9d | 1681 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1682 | case scm_tc7_llvect: |
74014c46 | 1683 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1684 | sz = sizeof (long_long); |
1685 | break; | |
1686 | #endif | |
0f2d19dd | 1687 | case scm_tc7_fvect: |
74014c46 | 1688 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1689 | sz = sizeof (float); |
1690 | break; | |
0f2d19dd | 1691 | case scm_tc7_dvect: |
74014c46 | 1692 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1693 | sz = sizeof (double); |
1694 | break; | |
1695 | case scm_tc7_cvect: | |
74014c46 | 1696 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1697 | sz = 2 * sizeof (double); |
1698 | break; | |
0f2d19dd | 1699 | } |
3d8d56df | 1700 | |
1146b6cd GH |
1701 | cend = vlen; |
1702 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1703 | { |
1146b6cd | 1704 | offset = |
4638e087 | 1705 | SCM_NUM2LONG (3, start); |
3d8d56df | 1706 | |
1146b6cd | 1707 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1708 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1709 | |
1710 | if (!SCM_UNBNDP (end)) | |
1711 | { | |
1712 | long tend = | |
4638e087 | 1713 | SCM_NUM2LONG (4, end); |
3d8d56df | 1714 | |
1146b6cd | 1715 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1716 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1717 | cend = tend; |
1718 | } | |
3d8d56df GH |
1719 | } |
1720 | ||
1721 | if (SCM_NIMP (port_or_fd)) | |
1722 | { | |
405aaef9 | 1723 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1724 | |
1725 | ans = cend - offset; | |
265e6a4d | 1726 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1727 | } |
1728 | else /* file descriptor. */ | |
1729 | { | |
1730 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1731 | base + (cstart + offset) * sz, |
1146b6cd | 1732 | (scm_sizet) (sz * (cend - offset)))); |
3d8d56df | 1733 | if (ans == -1) |
1bbd0b84 | 1734 | SCM_SYSERROR; |
3d8d56df | 1735 | } |
0f2d19dd JB |
1736 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
1737 | ans *= SCM_LONG_BIT; | |
3d8d56df | 1738 | |
0f2d19dd JB |
1739 | return SCM_MAKINUM (ans); |
1740 | } | |
1bbd0b84 | 1741 | #undef FUNC_NAME |
0f2d19dd JB |
1742 | |
1743 | ||
1744 | static char cnt_tab[16] = | |
1745 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1746 | ||
3b3b36dd | 1747 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
44e47754 DH |
1748 | (SCM b, SCM bitvector), |
1749 | "Returns the number of occurrences of the boolean B in BITVECTOR.") | |
1bbd0b84 | 1750 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1751 | { |
44e47754 | 1752 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1753 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1754 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1755 | return SCM_INUM0; |
1756 | } else { | |
1757 | unsigned long int count = 0; | |
74014c46 | 1758 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; |
44e47754 DH |
1759 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); |
1760 | if (SCM_FALSEP (b)) { | |
1761 | w = ~w; | |
1762 | }; | |
74014c46 | 1763 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1764 | while (1) { |
1765 | while (w) { | |
1766 | count += cnt_tab[w & 0x0f]; | |
1767 | w >>= 4; | |
1768 | } | |
1769 | if (i == 0) { | |
1770 | return SCM_MAKINUM (count); | |
1771 | } else { | |
1772 | --i; | |
1773 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1774 | if (SCM_FALSEP (b)) { | |
1775 | w = ~w; | |
0f2d19dd | 1776 | } |
44e47754 | 1777 | } |
0f2d19dd | 1778 | } |
44e47754 | 1779 | } |
0f2d19dd | 1780 | } |
1bbd0b84 | 1781 | #undef FUNC_NAME |
0f2d19dd JB |
1782 | |
1783 | ||
3b3b36dd | 1784 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1785 | (SCM item, SCM v, SCM k), |
b380b885 MD |
1786 | "Returns the minimum index of an occurrence of @var{bool} in @var{bv}\n" |
1787 | "which is at least @var{k}. If no @var{bool} occurs within the specified\n" | |
1788 | "range @code{#f} is returned.") | |
1bbd0b84 | 1789 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1790 | { |
1bbd0b84 | 1791 | long i, lenw, xbits, pos; |
0f2d19dd | 1792 | register unsigned long w; |
74014c46 DH |
1793 | |
1794 | SCM_VALIDATE_BOOL (1, item); | |
1795 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
3b3b36dd | 1796 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
74014c46 DH |
1797 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1798 | ||
1799 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1800 | return SCM_BOOL_F; |
74014c46 DH |
1801 | |
1802 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ | |
1803 | i = pos / SCM_LONG_BIT; | |
1804 | w = SCM_UNPACK (SCM_VELTS (v)[i]); | |
1805 | if (SCM_FALSEP (item)) | |
1806 | w = ~w; | |
1807 | xbits = (pos % SCM_LONG_BIT); | |
1808 | pos -= xbits; | |
1809 | w = ((w >> xbits) << xbits); | |
1810 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; | |
1811 | while (!0) | |
1812 | { | |
1813 | if (w && (i == lenw)) | |
1814 | w = ((w << xbits) >> xbits); | |
1815 | if (w) | |
1816 | while (w) | |
1817 | switch (w & 0x0f) | |
1818 | { | |
1819 | default: | |
1820 | return SCM_MAKINUM (pos); | |
1821 | case 2: | |
1822 | case 6: | |
1823 | case 10: | |
1824 | case 14: | |
1825 | return SCM_MAKINUM (pos + 1); | |
1826 | case 4: | |
1827 | case 12: | |
1828 | return SCM_MAKINUM (pos + 2); | |
1829 | case 8: | |
1830 | return SCM_MAKINUM (pos + 3); | |
1831 | case 0: | |
1832 | pos += 4; | |
1833 | w >>= 4; | |
1834 | } | |
1835 | if (++i > lenw) | |
1836 | break; | |
1837 | pos += SCM_LONG_BIT; | |
f1267706 | 1838 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1839 | if (SCM_FALSEP (item)) |
1840 | w = ~w; | |
0f2d19dd | 1841 | } |
74014c46 | 1842 | return SCM_BOOL_F; |
0f2d19dd | 1843 | } |
1bbd0b84 | 1844 | #undef FUNC_NAME |
0f2d19dd JB |
1845 | |
1846 | ||
3b3b36dd | 1847 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
1bbd0b84 | 1848 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1849 | "If uve is a bit-vector @var{bv} and uve must be of the same length. If\n" |
1850 | "@var{bool} is @code{#t}, uve is OR'ed into @var{bv}; If @var{bool} is @code{#f}, the\n" | |
1851 | "inversion of uve is AND'ed into @var{bv}.\n\n" | |
1852 | "If uve is a unsigned integer vector all the elements of uve must be\n" | |
1853 | "between 0 and the @code{LENGTH} of @var{bv}. The bits of @var{bv}\n" | |
1854 | "corresponding to the indexes in uve are set to @var{bool}.\n\n" | |
1855 | "The return value is unspecified.") | |
1bbd0b84 | 1856 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd JB |
1857 | { |
1858 | register long i, k, vlen; | |
74014c46 | 1859 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1860 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1861 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1862 | { |
1863 | default: | |
1bbd0b84 | 1864 | badarg2:SCM_WTA (2,kv); |
0f2d19dd | 1865 | case scm_tc7_uvect: |
74014c46 DH |
1866 | vlen = SCM_BITVECTOR_LENGTH (v); |
1867 | if (SCM_FALSEP (obj)) | |
1868 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1869 | { | |
1870 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1871 | if (k >= vlen) | |
1872 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1873 | SCM_BITVEC_CLR(v,k); | |
1874 | } | |
1875 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1876 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1877 | { | |
1878 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1879 | if (k >= vlen) | |
1880 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1881 | SCM_BITVEC_SET(v,k); | |
1882 | } | |
1883 | else | |
1884 | badarg3:SCM_WTA (3,obj); | |
0f2d19dd JB |
1885 | break; |
1886 | case scm_tc7_bvect: | |
74014c46 | 1887 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
4260a7fc | 1888 | if (SCM_FALSEP (obj)) |
74014c46 | 1889 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
f1267706 | 1890 | SCM_UNPACK (SCM_VELTS (v)[k]) &= ~ SCM_UNPACK(SCM_VELTS (kv)[k]); |
9a09deb1 | 1891 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
74014c46 | 1892 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
f1267706 | 1893 | SCM_UNPACK (SCM_VELTS (v)[k]) |= SCM_UNPACK (SCM_VELTS (kv)[k]); |
0f2d19dd JB |
1894 | else |
1895 | goto badarg3; | |
1896 | break; | |
1897 | } | |
1898 | return SCM_UNSPECIFIED; | |
1899 | } | |
1bbd0b84 | 1900 | #undef FUNC_NAME |
0f2d19dd JB |
1901 | |
1902 | ||
3b3b36dd | 1903 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1904 | (SCM v, SCM kv, SCM obj), |
b380b885 MD |
1905 | "Returns\n" |
1906 | "@example\n" | |
1907 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" | |
1908 | "@end example\n" | |
1909 | "@var{bv} is not modified.") | |
1bbd0b84 | 1910 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd JB |
1911 | { |
1912 | register long i, vlen, count = 0; | |
1913 | register unsigned long k; | |
41b0806d | 1914 | int fObj = 0; |
c209c88e | 1915 | |
74014c46 | 1916 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1917 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1918 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1919 | { |
1920 | default: | |
c209c88e GB |
1921 | badarg2: |
1922 | SCM_WTA (2,kv); | |
0f2d19dd | 1923 | case scm_tc7_uvect: |
74014c46 DH |
1924 | vlen = SCM_BITVECTOR_LENGTH (v); |
1925 | if (SCM_FALSEP (obj)) | |
1926 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1927 | { | |
1928 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1929 | if (k >= vlen) | |
1930 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1931 | if (!SCM_BITVEC_REF(v,k)) | |
1932 | count++; | |
1933 | } | |
1934 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1935 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1936 | { | |
1937 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); | |
1938 | if (k >= vlen) | |
1939 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1940 | if (SCM_BITVEC_REF (v,k)) | |
1941 | count++; | |
1942 | } | |
1943 | else | |
1944 | badarg3:SCM_WTA (3,obj); | |
0f2d19dd JB |
1945 | break; |
1946 | case scm_tc7_bvect: | |
74014c46 DH |
1947 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1948 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1949 | return SCM_INUM0; |
4260a7fc | 1950 | SCM_ASRTGO (SCM_BOOLP (obj), badarg3); |
9a09deb1 | 1951 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
74014c46 | 1952 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
f1267706 | 1953 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); |
74014c46 | 1954 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); |
c209c88e | 1955 | while (1) |
0f2d19dd JB |
1956 | { |
1957 | for (; k; k >>= 4) | |
1958 | count += cnt_tab[k & 0x0f]; | |
1959 | if (0 == i--) | |
1960 | return SCM_MAKINUM (count); | |
c209c88e GB |
1961 | |
1962 | /* urg. repetitive (see above.) */ | |
f1267706 | 1963 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1964 | } |
1965 | } | |
1966 | return SCM_MAKINUM (count); | |
1967 | } | |
1bbd0b84 | 1968 | #undef FUNC_NAME |
0f2d19dd JB |
1969 | |
1970 | ||
3b3b36dd | 1971 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1972 | (SCM v), |
b380b885 | 1973 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 1974 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 1975 | { |
74014c46 DH |
1976 | long int k; |
1977 | ||
1978 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
1979 | ||
1980 | k = SCM_BITVECTOR_LENGTH (v); | |
1981 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) | |
1982 | SCM_UNPACK (SCM_VELTS (v)[k]) = ~SCM_UNPACK (SCM_VELTS (v)[k]); | |
1983 | ||
0f2d19dd JB |
1984 | return SCM_UNSPECIFIED; |
1985 | } | |
1bbd0b84 | 1986 | #undef FUNC_NAME |
0f2d19dd JB |
1987 | |
1988 | ||
0f2d19dd | 1989 | SCM |
1bbd0b84 | 1990 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
1991 | { |
1992 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
1993 | long *data = (long *) SCM_VELTS (v); | |
1994 | register unsigned long mask; | |
1995 | register long k; | |
1996 | register long j; | |
1997 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
1998 | { | |
1999 | data[k] = 0L; | |
2000 | j = len - k * SCM_LONG_BIT; | |
2001 | if (j > SCM_LONG_BIT) | |
2002 | j = SCM_LONG_BIT; | |
2003 | for (mask = 1L; j--; mask <<= 1) | |
2004 | switch (*str++) | |
2005 | { | |
2006 | case '0': | |
2007 | break; | |
2008 | case '1': | |
2009 | data[k] |= mask; | |
2010 | break; | |
2011 | default: | |
2012 | return SCM_BOOL_F; | |
2013 | } | |
2014 | } | |
2015 | return v; | |
2016 | } | |
2017 | ||
2018 | ||
1cc91f1b | 2019 | |
0f2d19dd | 2020 | static SCM |
1bbd0b84 | 2021 | ra2l (SCM ra,scm_sizet base,scm_sizet k) |
0f2d19dd JB |
2022 | { |
2023 | register SCM res = SCM_EOL; | |
2024 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2025 | register scm_sizet i; | |
2026 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) | |
2027 | return SCM_EOL; | |
2028 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2029 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2030 | { | |
2031 | do | |
2032 | { | |
2033 | i -= inc; | |
2034 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2035 | } | |
2036 | while (i != base); | |
2037 | } | |
2038 | else | |
2039 | do | |
2040 | { | |
2041 | i -= inc; | |
2042 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2043 | } | |
2044 | while (i != base); | |
2045 | return res; | |
2046 | } | |
2047 | ||
2048 | ||
3b3b36dd | 2049 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2050 | (SCM v), |
b380b885 | 2051 | "Returns a list consisting of all the elements, in order, of @var{array}.") |
1bbd0b84 | 2052 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2053 | { |
2054 | SCM res = SCM_EOL; | |
2055 | register long k; | |
2056 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 2057 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2058 | { |
2059 | default: | |
1bbd0b84 | 2060 | badarg1:SCM_WTA (1,v); |
0f2d19dd JB |
2061 | case scm_tc7_smob: |
2062 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2063 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2064 | case scm_tc7_vector: | |
95f5b0f5 | 2065 | case scm_tc7_wvect: |
0f2d19dd JB |
2066 | return scm_vector_to_list (v); |
2067 | case scm_tc7_string: | |
2068 | return scm_string_to_list (v); | |
2069 | case scm_tc7_bvect: | |
2070 | { | |
2071 | long *data = (long *) SCM_VELTS (v); | |
2072 | register unsigned long mask; | |
74014c46 | 2073 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) |
cdbadcac | 2074 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) |
156dcb09 | 2075 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
74014c46 | 2076 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
156dcb09 | 2077 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2078 | return res; |
2079 | } | |
0f2d19dd JB |
2080 | case scm_tc7_uvect: { |
2081 | long *data = (long *)SCM_VELTS(v); | |
74014c46 | 2082 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
0f2d19dd JB |
2083 | res = scm_cons(scm_ulong2num(data[k]), res); |
2084 | return res; | |
2085 | } | |
2086 | case scm_tc7_ivect: { | |
2087 | long *data = (long *)SCM_VELTS(v); | |
74014c46 | 2088 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
0f2d19dd JB |
2089 | res = scm_cons(scm_long2num(data[k]), res); |
2090 | return res; | |
2091 | } | |
0f2d19dd JB |
2092 | case scm_tc7_svect: { |
2093 | short *data; | |
2094 | data = (short *)SCM_VELTS(v); | |
74014c46 | 2095 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
0f2d19dd JB |
2096 | res = scm_cons(SCM_MAKINUM (data[k]), res); |
2097 | return res; | |
2098 | } | |
5c11cc9d | 2099 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
2100 | case scm_tc7_llvect: { |
2101 | long_long *data; | |
2102 | data = (long_long *)SCM_VELTS(v); | |
74014c46 | 2103 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
0f2d19dd JB |
2104 | res = scm_cons(scm_long_long2num(data[k]), res); |
2105 | return res; | |
2106 | } | |
2107 | #endif | |
2108 | ||
2109 | ||
0f2d19dd JB |
2110 | case scm_tc7_fvect: |
2111 | { | |
2112 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2113 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
bc86da5d | 2114 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2115 | return res; |
2116 | } | |
0f2d19dd JB |
2117 | case scm_tc7_dvect: |
2118 | { | |
2119 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2120 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2121 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2122 | return res; |
2123 | } | |
2124 | case scm_tc7_cvect: | |
2125 | { | |
2126 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2127 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2128 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2129 | return res; |
2130 | } | |
0f2d19dd JB |
2131 | } |
2132 | } | |
1bbd0b84 | 2133 | #undef FUNC_NAME |
0f2d19dd JB |
2134 | |
2135 | ||
20a54673 | 2136 | static char s_bad_ralst[] = "Bad scm_array contents list"; |
1cc91f1b | 2137 | |
1bbd0b84 | 2138 | static int l2ra(SCM lst, SCM ra, scm_sizet base, scm_sizet k); |
1cc91f1b | 2139 | |
3b3b36dd | 2140 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2141 | (SCM ndim, SCM prot, SCM lst), |
b380b885 MD |
2142 | "@deffnx procedure list->uniform-vector prot lst\n" |
2143 | "Returns a uniform array of the type indicated by prototype @var{prot}\n" | |
2144 | "with elements the same as those of @var{lst}. Elements must be of the\n" | |
2145 | "appropriate type, no coercions are done.") | |
1bbd0b84 | 2146 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2147 | { |
2148 | SCM shp = SCM_EOL; | |
2149 | SCM row = lst; | |
2150 | SCM ra; | |
2151 | scm_sizet k; | |
2152 | long n; | |
3b3b36dd | 2153 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2154 | while (k--) |
2155 | { | |
2156 | n = scm_ilength (row); | |
1bbd0b84 | 2157 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2158 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2159 | if (SCM_NIMP (row)) | |
2160 | row = SCM_CAR (row); | |
2161 | } | |
d12feca3 GH |
2162 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2163 | SCM_UNDEFINED); | |
0f2d19dd JB |
2164 | if (SCM_NULLP (shp)) |
2165 | ||
2166 | { | |
2167 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2168 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2169 | return ra; | |
2170 | } | |
2171 | if (!SCM_ARRAYP (ra)) | |
2172 | { | |
74014c46 DH |
2173 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra)); |
2174 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) | |
0f2d19dd JB |
2175 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); |
2176 | return ra; | |
2177 | } | |
2178 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2179 | return ra; | |
2180 | else | |
1bbd0b84 | 2181 | badlst:scm_wta (lst, s_bad_ralst, FUNC_NAME); |
0f2d19dd JB |
2182 | return SCM_BOOL_F; |
2183 | } | |
1bbd0b84 | 2184 | #undef FUNC_NAME |
0f2d19dd | 2185 | |
0f2d19dd | 2186 | static int |
1bbd0b84 | 2187 | l2ra (SCM lst, SCM ra, scm_sizet base, scm_sizet k) |
0f2d19dd JB |
2188 | { |
2189 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2190 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
2191 | int ok = 1; | |
2192 | if (n <= 0) | |
4260a7fc | 2193 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2194 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2195 | { | |
2196 | while (n--) | |
2197 | { | |
2198 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2199 | return 0; | |
2200 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2201 | base += inc; | |
2202 | lst = SCM_CDR (lst); | |
2203 | } | |
2204 | if (SCM_NNULLP (lst)) | |
2205 | return 0; | |
2206 | } | |
2207 | else | |
2208 | { | |
2209 | while (n--) | |
2210 | { | |
2211 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2212 | return 0; | |
baa702c8 | 2213 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); |
0f2d19dd JB |
2214 | base += inc; |
2215 | lst = SCM_CDR (lst); | |
2216 | } | |
2217 | if (SCM_NNULLP (lst)) | |
fee7ef83 | 2218 | return 0; |
0f2d19dd JB |
2219 | } |
2220 | return ok; | |
2221 | } | |
2222 | ||
1cc91f1b | 2223 | |
0f2d19dd | 2224 | static void |
1bbd0b84 | 2225 | rapr1 (SCM ra,scm_sizet j,scm_sizet k,SCM port,scm_print_state *pstate) |
0f2d19dd JB |
2226 | { |
2227 | long inc = 1; | |
74014c46 | 2228 | long n = SCM_INUM (scm_uniform_vector_length (ra)); |
0f2d19dd JB |
2229 | int enclosed = 0; |
2230 | tail: | |
5c11cc9d | 2231 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2232 | { |
2233 | case scm_tc7_smob: | |
2234 | if (enclosed++) | |
2235 | { | |
2236 | SCM_ARRAY_BASE (ra) = j; | |
2237 | if (n-- > 0) | |
9882ea19 | 2238 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2239 | for (j += inc; n-- > 0; j += inc) |
2240 | { | |
b7f3516f | 2241 | scm_putc (' ', port); |
0f2d19dd | 2242 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2243 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2244 | } |
2245 | break; | |
2246 | } | |
2247 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2248 | { | |
2249 | long i; | |
2250 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2251 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2252 | { | |
b7f3516f | 2253 | scm_putc ('(', port); |
9882ea19 | 2254 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2255 | scm_puts (") ", port); |
0f2d19dd JB |
2256 | j += inc; |
2257 | } | |
2258 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2259 | { /* could be zero size. */ | |
b7f3516f | 2260 | scm_putc ('(', port); |
9882ea19 | 2261 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2262 | scm_putc (')', port); |
0f2d19dd JB |
2263 | } |
2264 | break; | |
2265 | } | |
2266 | if SCM_ARRAY_NDIM | |
2267 | (ra) | |
2268 | { /* Could be zero-dimensional */ | |
2269 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2270 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2271 | } | |
2272 | else | |
2273 | n = 1; | |
2274 | ra = SCM_ARRAY_V (ra); | |
2275 | goto tail; | |
2276 | default: | |
5c11cc9d | 2277 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2278 | if (n-- > 0) |
9882ea19 | 2279 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2280 | for (j += inc; n-- > 0; j += inc) |
2281 | { | |
b7f3516f | 2282 | scm_putc (' ', port); |
9882ea19 | 2283 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2284 | } |
2285 | break; | |
2286 | case scm_tc7_string: | |
2287 | if (n-- > 0) | |
322ac0c5 | 2288 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2289 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2290 | for (j += inc; n-- > 0; j += inc) |
2291 | { | |
b7f3516f | 2292 | scm_putc (' ', port); |
322ac0c5 | 2293 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2294 | } |
2295 | else | |
2296 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2297 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2298 | break; |
2299 | case scm_tc7_byvect: | |
2300 | if (n-- > 0) | |
4260a7fc | 2301 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2302 | for (j += inc; n-- > 0; j += inc) |
2303 | { | |
b7f3516f | 2304 | scm_putc (' ', port); |
4260a7fc | 2305 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2306 | } |
2307 | break; | |
2308 | ||
2309 | case scm_tc7_uvect: | |
5c11cc9d GH |
2310 | { |
2311 | char str[11]; | |
2312 | ||
2313 | if (n-- > 0) | |
2314 | { | |
2315 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2316 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2317 | scm_puts (str, port); |
2318 | } | |
2319 | for (j += inc; n-- > 0; j += inc) | |
2320 | { | |
2321 | scm_putc (' ', port); | |
fee7ef83 | 2322 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2323 | scm_puts (str, port); |
2324 | } | |
2325 | } | |
0f2d19dd JB |
2326 | case scm_tc7_ivect: |
2327 | if (n-- > 0) | |
fee7ef83 | 2328 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2329 | for (j += inc; n-- > 0; j += inc) |
2330 | { | |
b7f3516f | 2331 | scm_putc (' ', port); |
fee7ef83 | 2332 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2333 | } |
2334 | break; | |
2335 | ||
2336 | case scm_tc7_svect: | |
2337 | if (n-- > 0) | |
4260a7fc | 2338 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2339 | for (j += inc; n-- > 0; j += inc) |
2340 | { | |
b7f3516f | 2341 | scm_putc (' ', port); |
4260a7fc | 2342 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2343 | } |
2344 | break; | |
2345 | ||
0f2d19dd JB |
2346 | case scm_tc7_fvect: |
2347 | if (n-- > 0) | |
2348 | { | |
bc86da5d MD |
2349 | SCM z = scm_make_real (1.0); |
2350 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2351 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2352 | for (j += inc; n-- > 0; j += inc) |
2353 | { | |
b7f3516f | 2354 | scm_putc (' ', port); |
bc86da5d MD |
2355 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2356 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2357 | } |
2358 | } | |
2359 | break; | |
0f2d19dd JB |
2360 | case scm_tc7_dvect: |
2361 | if (n-- > 0) | |
2362 | { | |
bc86da5d MD |
2363 | SCM z = scm_make_real (1.0 / 3.0); |
2364 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2365 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2366 | for (j += inc; n-- > 0; j += inc) |
2367 | { | |
b7f3516f | 2368 | scm_putc (' ', port); |
bc86da5d MD |
2369 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2370 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2371 | } |
2372 | } | |
2373 | break; | |
2374 | case scm_tc7_cvect: | |
2375 | if (n-- > 0) | |
2376 | { | |
bc86da5d MD |
2377 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2378 | SCM_REAL_VALUE (z) = | |
2379 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2380 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2381 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2382 | port, pstate); | |
0f2d19dd JB |
2383 | for (j += inc; n-- > 0; j += inc) |
2384 | { | |
b7f3516f | 2385 | scm_putc (' ', port); |
bc86da5d MD |
2386 | SCM_REAL_VALUE (z) |
2387 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2388 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2389 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2390 | port, pstate); | |
0f2d19dd JB |
2391 | } |
2392 | } | |
2393 | break; | |
0f2d19dd JB |
2394 | } |
2395 | } | |
2396 | ||
2397 | ||
1cc91f1b | 2398 | |
0f2d19dd | 2399 | int |
1bbd0b84 | 2400 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2401 | { |
2402 | SCM v = exp; | |
2403 | scm_sizet base = 0; | |
b7f3516f | 2404 | scm_putc ('#', port); |
0f2d19dd | 2405 | tail: |
5c11cc9d | 2406 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2407 | { |
2408 | case scm_tc7_smob: | |
2409 | { | |
2410 | long ndim = SCM_ARRAY_NDIM (v); | |
2411 | base = SCM_ARRAY_BASE (v); | |
2412 | v = SCM_ARRAY_V (v); | |
2413 | if (SCM_ARRAYP (v)) | |
2414 | ||
2415 | { | |
b7f3516f | 2416 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2417 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2418 | scm_putc ('>', port); |
0f2d19dd JB |
2419 | return 1; |
2420 | } | |
2421 | else | |
2422 | { | |
2423 | scm_intprint (ndim, 10, port); | |
2424 | goto tail; | |
2425 | } | |
2426 | } | |
2427 | case scm_tc7_bvect: | |
fee7ef83 | 2428 | if (SCM_EQ_P (exp, v)) |
0f2d19dd JB |
2429 | { /* a uve, not an scm_array */ |
2430 | register long i, j, w; | |
b7f3516f | 2431 | scm_putc ('*', port); |
74014c46 | 2432 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2433 | { |
f1267706 | 2434 | scm_bits_t w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
0f2d19dd JB |
2435 | for (j = SCM_LONG_BIT; j; j--) |
2436 | { | |
b7f3516f | 2437 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2438 | w >>= 1; |
2439 | } | |
2440 | } | |
74014c46 | 2441 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2442 | if (j) |
2443 | { | |
74014c46 | 2444 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2445 | for (; j; j--) |
2446 | { | |
b7f3516f | 2447 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2448 | w >>= 1; |
2449 | } | |
2450 | } | |
2451 | return 1; | |
2452 | } | |
2453 | else | |
b7f3516f | 2454 | scm_putc ('b', port); |
0f2d19dd JB |
2455 | break; |
2456 | case scm_tc7_string: | |
b7f3516f | 2457 | scm_putc ('a', port); |
0f2d19dd JB |
2458 | break; |
2459 | case scm_tc7_byvect: | |
05c33d09 | 2460 | scm_putc ('y', port); |
0f2d19dd JB |
2461 | break; |
2462 | case scm_tc7_uvect: | |
b7f3516f | 2463 | scm_putc ('u', port); |
0f2d19dd JB |
2464 | break; |
2465 | case scm_tc7_ivect: | |
b7f3516f | 2466 | scm_putc ('e', port); |
0f2d19dd JB |
2467 | break; |
2468 | case scm_tc7_svect: | |
05c33d09 | 2469 | scm_putc ('h', port); |
0f2d19dd | 2470 | break; |
5c11cc9d | 2471 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2472 | case scm_tc7_llvect: |
5c11cc9d | 2473 | scm_putc ('l', port); |
0f2d19dd JB |
2474 | break; |
2475 | #endif | |
0f2d19dd | 2476 | case scm_tc7_fvect: |
b7f3516f | 2477 | scm_putc ('s', port); |
0f2d19dd | 2478 | break; |
0f2d19dd | 2479 | case scm_tc7_dvect: |
b7f3516f | 2480 | scm_putc ('i', port); |
0f2d19dd JB |
2481 | break; |
2482 | case scm_tc7_cvect: | |
b7f3516f | 2483 | scm_putc ('c', port); |
0f2d19dd | 2484 | break; |
0f2d19dd | 2485 | } |
b7f3516f | 2486 | scm_putc ('(', port); |
9882ea19 | 2487 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2488 | scm_putc (')', port); |
0f2d19dd JB |
2489 | return 1; |
2490 | } | |
2491 | ||
3b3b36dd | 2492 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2493 | (SCM ra), |
b380b885 MD |
2494 | "Returns an object that would produce an array of the same type as\n" |
2495 | "@var{array}, if used as the @var{prototype} for\n" | |
2496 | "@code{make-uniform-array}.") | |
1bbd0b84 | 2497 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2498 | { |
2499 | int enclosed = 0; | |
2500 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2501 | loop: | |
74014c46 | 2502 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2503 | { |
2504 | default: | |
1bbd0b84 | 2505 | badarg:SCM_WTA (1,ra); |
0f2d19dd JB |
2506 | case scm_tc7_smob: |
2507 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2508 | if (enclosed++) | |
2509 | return SCM_UNSPECIFIED; | |
2510 | ra = SCM_ARRAY_V (ra); | |
2511 | goto loop; | |
2512 | case scm_tc7_vector: | |
95f5b0f5 | 2513 | case scm_tc7_wvect: |
0f2d19dd JB |
2514 | return SCM_EOL; |
2515 | case scm_tc7_bvect: | |
2516 | return SCM_BOOL_T; | |
2517 | case scm_tc7_string: | |
7866a09b | 2518 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2519 | case scm_tc7_byvect: |
7866a09b | 2520 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2521 | case scm_tc7_uvect: |
2522 | return SCM_MAKINUM (1L); | |
2523 | case scm_tc7_ivect: | |
2524 | return SCM_MAKINUM (-1L); | |
2525 | case scm_tc7_svect: | |
38ae064c | 2526 | return scm_str2symbol ("s"); |
5c11cc9d | 2527 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2528 | case scm_tc7_llvect: |
38ae064c | 2529 | return scm_str2symbol ("l"); |
0f2d19dd | 2530 | #endif |
0f2d19dd | 2531 | case scm_tc7_fvect: |
bc86da5d | 2532 | return scm_make_real (1.0); |
0f2d19dd | 2533 | case scm_tc7_dvect: |
bc86da5d | 2534 | return scm_make_real (1.0 / 3.0); |
0f2d19dd | 2535 | case scm_tc7_cvect: |
bc86da5d | 2536 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2537 | } |
2538 | } | |
1bbd0b84 | 2539 | #undef FUNC_NAME |
0f2d19dd | 2540 | |
1cc91f1b | 2541 | |
0f2d19dd | 2542 | static SCM |
e841c3e0 | 2543 | array_mark (SCM ptr) |
0f2d19dd | 2544 | { |
0f2d19dd JB |
2545 | return SCM_ARRAY_V (ptr); |
2546 | } | |
2547 | ||
1cc91f1b | 2548 | |
0f2d19dd | 2549 | static scm_sizet |
e841c3e0 | 2550 | array_free (SCM ptr) |
0f2d19dd | 2551 | { |
405aaef9 | 2552 | scm_must_free (SCM_ARRAY_MEM (ptr)); |
0f2d19dd JB |
2553 | return sizeof (scm_array) + SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim); |
2554 | } | |
2555 | ||
0f2d19dd JB |
2556 | void |
2557 | scm_init_unif () | |
0f2d19dd | 2558 | { |
e841c3e0 KN |
2559 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2560 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2561 | scm_set_smob_free (scm_tc16_array, array_free); | |
2562 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2563 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
0f2d19dd | 2564 | scm_add_feature ("array"); |
8dc9439f | 2565 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 2566 | #include "libguile/unif.x" |
8dc9439f | 2567 | #endif |
0f2d19dd | 2568 | } |
89e00824 ML |
2569 | |
2570 | /* | |
2571 | Local Variables: | |
2572 | c-file-style: "gnu" | |
2573 | End: | |
2574 | */ |