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b3fcac34 | 1 | /* Copyright (C) 1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
c209c88e GB |
45 | /* |
46 | This file has code for arrays in lots of variants (double, integer, | |
47 | unsigned etc. ). It suffers from hugely repetitive code because | |
48 | there is similar (but different) code for every variant included. (urg.) | |
49 | ||
50 | --hwn | |
51 | */ | |
0f2d19dd JB |
52 | \f |
53 | ||
54 | #include <stdio.h> | |
e6e2e95a | 55 | #include <errno.h> |
783e7774 | 56 | #include <string.h> |
e6e2e95a | 57 | |
a0599745 MD |
58 | #include "libguile/_scm.h" |
59 | #include "libguile/chars.h" | |
60 | #include "libguile/eval.h" | |
61 | #include "libguile/fports.h" | |
62 | #include "libguile/smob.h" | |
63 | #include "libguile/strop.h" | |
64 | #include "libguile/feature.h" | |
65 | #include "libguile/root.h" | |
66 | #include "libguile/strings.h" | |
67 | #include "libguile/vectors.h" | |
68 | ||
69 | #include "libguile/validate.h" | |
70 | #include "libguile/unif.h" | |
71 | #include "libguile/ramap.h" | |
0f2d19dd | 72 | |
3d8d56df GH |
73 | #ifdef HAVE_UNISTD_H |
74 | #include <unistd.h> | |
75 | #endif | |
76 | ||
0f2d19dd JB |
77 | \f |
78 | /* The set of uniform scm_vector types is: | |
79 | * Vector of: Called: | |
80 | * unsigned char string | |
81 | * char byvect | |
82 | * boolean bvect | |
a515d287 MD |
83 | * signed long ivect |
84 | * unsigned long uvect | |
0f2d19dd JB |
85 | * float fvect |
86 | * double dvect | |
87 | * complex double cvect | |
88 | * short svect | |
5c11cc9d | 89 | * long long llvect |
0f2d19dd JB |
90 | */ |
91 | ||
e841c3e0 | 92 | scm_bits_t scm_tc16_array; |
0f2d19dd | 93 | |
afe5177e GH |
94 | /* return the size of an element in a uniform array or 0 if type not |
95 | found. */ | |
1be6b49c | 96 | size_t |
afe5177e | 97 | scm_uniform_element_size (SCM obj) |
0f2d19dd | 98 | { |
1be6b49c | 99 | size_t result; |
0f2d19dd | 100 | |
afe5177e | 101 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 102 | { |
0f2d19dd | 103 | case scm_tc7_bvect: |
0f2d19dd JB |
104 | case scm_tc7_uvect: |
105 | case scm_tc7_ivect: | |
afe5177e | 106 | result = sizeof (long); |
0f2d19dd | 107 | break; |
afe5177e | 108 | |
0f2d19dd | 109 | case scm_tc7_byvect: |
afe5177e | 110 | result = sizeof (char); |
0f2d19dd JB |
111 | break; |
112 | ||
113 | case scm_tc7_svect: | |
afe5177e | 114 | result = sizeof (short); |
0f2d19dd | 115 | break; |
afe5177e | 116 | |
5c11cc9d | 117 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 118 | case scm_tc7_llvect: |
1be6b49c | 119 | result = sizeof (long long); |
0f2d19dd JB |
120 | break; |
121 | #endif | |
122 | ||
0f2d19dd | 123 | case scm_tc7_fvect: |
afe5177e | 124 | result = sizeof (float); |
0f2d19dd | 125 | break; |
afe5177e | 126 | |
0f2d19dd | 127 | case scm_tc7_dvect: |
afe5177e | 128 | result = sizeof (double); |
0f2d19dd | 129 | break; |
afe5177e | 130 | |
0f2d19dd | 131 | case scm_tc7_cvect: |
afe5177e | 132 | result = 2 * sizeof (double); |
0f2d19dd | 133 | break; |
afe5177e GH |
134 | |
135 | default: | |
136 | result = 0; | |
0f2d19dd | 137 | } |
afe5177e | 138 | return result; |
0f2d19dd JB |
139 | } |
140 | ||
bc86da5d MD |
141 | /* Silly function used not to modify the semantics of the silly |
142 | * prototype system in order to be backward compatible. | |
143 | */ | |
144 | static int | |
145 | singp (SCM obj) | |
0f2d19dd | 146 | { |
bc86da5d MD |
147 | if (!SCM_SLOPPY_REALP (obj)) |
148 | return 0; | |
149 | else | |
150 | { | |
151 | double x = SCM_REAL_VALUE (obj); | |
152 | float fx = x; | |
153 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
154 | } | |
0f2d19dd | 155 | } |
1cc91f1b | 156 | |
0f2d19dd | 157 | SCM |
c014a02e | 158 | scm_make_uve (long k, SCM prot) |
a3a32939 | 159 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd JB |
160 | { |
161 | SCM v; | |
c014a02e | 162 | long i, type; |
a3a32939 | 163 | |
9a09deb1 | 164 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd | 165 | { |
93778877 DH |
166 | SCM_NEWCELL (v); |
167 | if (k > 0) | |
168 | { | |
c014a02e ML |
169 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_BITVECTOR_MAX_LENGTH); |
170 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); | |
6a0476fd | 171 | SCM_SET_BITVECTOR_BASE (v, (char *) scm_must_malloc (i, "vector")); |
93778877 DH |
172 | SCM_SET_BITVECTOR_LENGTH (v, k); |
173 | } | |
174 | else | |
175 | { | |
6a0476fd | 176 | SCM_SET_BITVECTOR_BASE (v, 0); |
93778877 DH |
177 | SCM_SET_BITVECTOR_LENGTH (v, 0); |
178 | } | |
179 | return v; | |
0f2d19dd | 180 | } |
4260a7fc | 181 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
0f2d19dd | 182 | { |
c014a02e | 183 | i = sizeof (char) * k; |
0f2d19dd | 184 | type = scm_tc7_byvect; |
5b9eb8ae | 185 | } |
7866a09b | 186 | else if (SCM_CHARP (prot)) |
0f2d19dd | 187 | { |
c014a02e | 188 | i = sizeof (char) * k; |
be54b15d | 189 | return scm_allocate_string (i); |
0f2d19dd JB |
190 | } |
191 | else if (SCM_INUMP (prot)) | |
192 | { | |
c014a02e | 193 | i = sizeof (long) * k; |
0f2d19dd JB |
194 | if (SCM_INUM (prot) > 0) |
195 | type = scm_tc7_uvect; | |
196 | else | |
197 | type = scm_tc7_ivect; | |
198 | } | |
74014c46 | 199 | else if (SCM_SYMBOLP (prot) && (1 == SCM_SYMBOL_LENGTH (prot))) |
0f2d19dd JB |
200 | { |
201 | char s; | |
202 | ||
86c991c2 | 203 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd JB |
204 | if (s == 's') |
205 | { | |
c014a02e | 206 | i = sizeof (short) * k; |
0f2d19dd JB |
207 | type = scm_tc7_svect; |
208 | } | |
5c11cc9d | 209 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
210 | else if (s == 'l') |
211 | { | |
c014a02e | 212 | i = sizeof (long long) * k; |
0f2d19dd JB |
213 | type = scm_tc7_llvect; |
214 | } | |
215 | #endif | |
216 | else | |
217 | { | |
00ffa0e7 | 218 | return scm_c_make_vector (k, SCM_UNDEFINED); |
0f2d19dd JB |
219 | } |
220 | } | |
5b9eb8ae | 221 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 222 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d | 223 | /* no special scm_vector */ |
00ffa0e7 | 224 | return scm_c_make_vector (k, SCM_UNDEFINED); |
bc86da5d | 225 | else if (singp (prot)) |
0f2d19dd | 226 | { |
c014a02e | 227 | i = sizeof (float) * k; |
0f2d19dd JB |
228 | type = scm_tc7_fvect; |
229 | } | |
eb42e2f0 | 230 | else if (SCM_COMPLEXP (prot)) |
0f2d19dd | 231 | { |
c014a02e | 232 | i = 2 * sizeof (double) * k; |
0f2d19dd JB |
233 | type = scm_tc7_cvect; |
234 | } | |
235 | else | |
236 | { | |
c014a02e | 237 | i = sizeof (double) * k; |
0f2d19dd JB |
238 | type = scm_tc7_dvect; |
239 | } | |
0f2d19dd | 240 | |
c014a02e | 241 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_UVECTOR_MAX_LENGTH); |
5b9eb8ae | 242 | |
0f2d19dd JB |
243 | SCM_NEWCELL (v); |
244 | SCM_DEFER_INTS; | |
6a0476fd | 245 | SCM_SET_UVECTOR_BASE (v, (char *) scm_must_malloc (i ? i : 1, "vector")); |
93778877 | 246 | SCM_SET_UVECTOR_LENGTH (v, k, type); |
0f2d19dd JB |
247 | SCM_ALLOW_INTS; |
248 | return v; | |
249 | } | |
a3a32939 DH |
250 | #undef FUNC_NAME |
251 | ||
0f2d19dd | 252 | |
3b3b36dd | 253 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1e6808ea MG |
254 | (SCM v), |
255 | "Return the number of elements in @var{uve}.") | |
1bbd0b84 | 256 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
257 | { |
258 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 259 | switch SCM_TYP7 (v) |
0f2d19dd JB |
260 | { |
261 | default: | |
276dd677 | 262 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
74014c46 DH |
263 | case scm_tc7_vector: |
264 | case scm_tc7_wvect: | |
265 | return SCM_MAKINUM (SCM_VECTOR_LENGTH (v)); | |
0f2d19dd | 266 | case scm_tc7_string: |
74014c46 DH |
267 | return SCM_MAKINUM (SCM_STRING_LENGTH (v)); |
268 | case scm_tc7_bvect: | |
269 | return SCM_MAKINUM (SCM_BITVECTOR_LENGTH (v)); | |
0f2d19dd JB |
270 | case scm_tc7_byvect: |
271 | case scm_tc7_uvect: | |
272 | case scm_tc7_ivect: | |
273 | case scm_tc7_fvect: | |
274 | case scm_tc7_dvect: | |
275 | case scm_tc7_cvect: | |
0f2d19dd | 276 | case scm_tc7_svect: |
5c11cc9d | 277 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
278 | case scm_tc7_llvect: |
279 | #endif | |
74014c46 | 280 | return SCM_MAKINUM (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
281 | } |
282 | } | |
1bbd0b84 | 283 | #undef FUNC_NAME |
0f2d19dd | 284 | |
3b3b36dd | 285 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 286 | (SCM v, SCM prot), |
1e6808ea MG |
287 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
288 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
289 | "and is described elsewhere.") | |
1bbd0b84 | 290 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
291 | { |
292 | int nprot; | |
293 | int enclosed; | |
294 | nprot = SCM_UNBNDP (prot); | |
295 | enclosed = 0; | |
296 | if (SCM_IMP (v)) | |
297 | return SCM_BOOL_F; | |
c209c88e GB |
298 | |
299 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 300 | { |
0f2d19dd JB |
301 | if (!SCM_ARRAYP (v)) |
302 | return SCM_BOOL_F; | |
303 | if (nprot) | |
304 | return SCM_BOOL_T; | |
305 | if (enclosed++) | |
306 | return SCM_BOOL_F; | |
307 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
308 | } |
309 | if (nprot) | |
310 | return SCM_BOOL(nprot); | |
311 | else | |
312 | { | |
313 | int protp = 0; | |
314 | ||
315 | switch (SCM_TYP7 (v)) | |
316 | { | |
317 | case scm_tc7_bvect: | |
9a09deb1 | 318 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
c209c88e | 319 | case scm_tc7_string: |
4260a7fc | 320 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
c209c88e | 321 | case scm_tc7_byvect: |
4260a7fc | 322 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
c209c88e GB |
323 | case scm_tc7_uvect: |
324 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
325 | case scm_tc7_ivect: | |
326 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
327 | ||
328 | case scm_tc7_svect: | |
329 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 330 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 331 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
5c11cc9d | 332 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
333 | case scm_tc7_llvect: |
334 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 335 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 336 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
0f2d19dd | 337 | #endif |
c209c88e | 338 | case scm_tc7_fvect: |
bc86da5d | 339 | protp = singp (prot); |
c209c88e GB |
340 | case scm_tc7_dvect: |
341 | protp = SCM_REALP(prot); | |
342 | case scm_tc7_cvect: | |
eb42e2f0 | 343 | protp = SCM_COMPLEXP(prot); |
c209c88e GB |
344 | case scm_tc7_vector: |
345 | case scm_tc7_wvect: | |
346 | protp = SCM_NULLP(prot); | |
347 | default: | |
348 | /* no default */ | |
349 | ; | |
350 | } | |
351 | return SCM_BOOL(protp); | |
0f2d19dd | 352 | } |
0f2d19dd | 353 | } |
1bbd0b84 | 354 | #undef FUNC_NAME |
0f2d19dd JB |
355 | |
356 | ||
3b3b36dd | 357 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 358 | (SCM ra), |
1e6808ea MG |
359 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
360 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 361 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
362 | { |
363 | if (SCM_IMP (ra)) | |
1bbd0b84 | 364 | return SCM_INUM0; |
0f2d19dd JB |
365 | switch (SCM_TYP7 (ra)) |
366 | { | |
367 | default: | |
368 | return SCM_INUM0; | |
369 | case scm_tc7_string: | |
370 | case scm_tc7_vector: | |
95f5b0f5 | 371 | case scm_tc7_wvect: |
0f2d19dd JB |
372 | case scm_tc7_byvect: |
373 | case scm_tc7_uvect: | |
374 | case scm_tc7_ivect: | |
375 | case scm_tc7_fvect: | |
376 | case scm_tc7_cvect: | |
377 | case scm_tc7_dvect: | |
5c11cc9d | 378 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
379 | case scm_tc7_llvect: |
380 | #endif | |
381 | case scm_tc7_svect: | |
382 | return SCM_MAKINUM (1L); | |
383 | case scm_tc7_smob: | |
384 | if (SCM_ARRAYP (ra)) | |
385 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
386 | return SCM_INUM0; | |
387 | } | |
388 | } | |
1bbd0b84 | 389 | #undef FUNC_NAME |
0f2d19dd JB |
390 | |
391 | ||
3b3b36dd | 392 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 393 | (SCM ra), |
b380b885 MD |
394 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
395 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 396 | "@lisp\n" |
b380b885 | 397 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 398 | "@end lisp") |
1bbd0b84 | 399 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
400 | { |
401 | SCM res = SCM_EOL; | |
1be6b49c ML |
402 | size_t k; |
403 | scm_array_dim_t *s; | |
0f2d19dd | 404 | if (SCM_IMP (ra)) |
1bbd0b84 | 405 | return SCM_BOOL_F; |
0f2d19dd JB |
406 | switch (SCM_TYP7 (ra)) |
407 | { | |
408 | default: | |
409 | return SCM_BOOL_F; | |
410 | case scm_tc7_string: | |
411 | case scm_tc7_vector: | |
95f5b0f5 | 412 | case scm_tc7_wvect: |
0f2d19dd JB |
413 | case scm_tc7_bvect: |
414 | case scm_tc7_byvect: | |
415 | case scm_tc7_uvect: | |
416 | case scm_tc7_ivect: | |
417 | case scm_tc7_fvect: | |
418 | case scm_tc7_cvect: | |
419 | case scm_tc7_dvect: | |
420 | case scm_tc7_svect: | |
5c11cc9d | 421 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
422 | case scm_tc7_llvect: |
423 | #endif | |
74014c46 | 424 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
425 | case scm_tc7_smob: |
426 | if (!SCM_ARRAYP (ra)) | |
427 | return SCM_BOOL_F; | |
428 | k = SCM_ARRAY_NDIM (ra); | |
429 | s = SCM_ARRAY_DIMS (ra); | |
430 | while (k--) | |
e2d37336 MD |
431 | res = scm_cons (s[k].lbnd |
432 | ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), | |
433 | SCM_MAKINUM (s[k].ubnd), | |
434 | SCM_EOL) | |
435 | : SCM_MAKINUM (1 + s[k].ubnd), | |
436 | res); | |
0f2d19dd JB |
437 | return res; |
438 | } | |
439 | } | |
1bbd0b84 | 440 | #undef FUNC_NAME |
0f2d19dd JB |
441 | |
442 | ||
e2d37336 MD |
443 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
444 | (SCM ra), | |
445 | "Return the root vector of a shared array.") | |
446 | #define FUNC_NAME s_scm_shared_array_root | |
447 | { | |
448 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
449 | return SCM_ARRAY_V (ra); | |
450 | } | |
451 | #undef FUNC_NAME | |
452 | ||
453 | ||
454 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
455 | (SCM ra), | |
456 | "Return the root vector index of the first element in the array.") | |
457 | #define FUNC_NAME s_scm_shared_array_offset | |
458 | { | |
459 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
460 | return SCM_MAKINUM (SCM_ARRAY_BASE (ra)); | |
461 | } | |
462 | #undef FUNC_NAME | |
463 | ||
464 | ||
465 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
466 | (SCM ra), | |
467 | "For each dimension, return the distance between elements in the root vector.") | |
468 | #define FUNC_NAME s_scm_shared_array_increments | |
469 | { | |
470 | SCM res = SCM_EOL; | |
1be6b49c ML |
471 | size_t k; |
472 | scm_array_dim_t *s; | |
e2d37336 MD |
473 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
474 | k = SCM_ARRAY_NDIM (ra); | |
475 | s = SCM_ARRAY_DIMS (ra); | |
476 | while (k--) | |
477 | res = scm_cons (SCM_MAKINUM (s[k].inc), res); | |
478 | return res; | |
479 | } | |
480 | #undef FUNC_NAME | |
481 | ||
482 | ||
0f2d19dd JB |
483 | static char s_bad_ind[] = "Bad scm_array index"; |
484 | ||
1cc91f1b | 485 | |
c014a02e | 486 | long |
1bbd0b84 | 487 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 488 | #define FUNC_NAME what |
0f2d19dd JB |
489 | { |
490 | SCM ind; | |
c014a02e ML |
491 | register long j; |
492 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
493 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 494 | scm_array_dim_t *s = SCM_ARRAY_DIMS (ra); |
0f2d19dd | 495 | if (SCM_INUMP (args)) |
0f2d19dd | 496 | { |
b3fcac34 DH |
497 | if (k != 1) |
498 | scm_error_num_args_subr (what); | |
0f2d19dd JB |
499 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
500 | } | |
1be6b49c | 501 | while (k && !SCM_NULLP (args)) |
0f2d19dd JB |
502 | { |
503 | ind = SCM_CAR (args); | |
504 | args = SCM_CDR (args); | |
b3fcac34 DH |
505 | if (!SCM_INUMP (ind)) |
506 | scm_misc_error (what, s_bad_ind, SCM_EOL); | |
0f2d19dd | 507 | j = SCM_INUM (ind); |
685c0d71 DH |
508 | if (j < s->lbnd || j > s->ubnd) |
509 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
510 | pos += (j - s->lbnd) * (s->inc); |
511 | k--; | |
512 | s++; | |
513 | } | |
b3fcac34 DH |
514 | if (k != 0 || !SCM_NULLP (args)) |
515 | scm_error_num_args_subr (what); | |
516 | ||
0f2d19dd JB |
517 | return pos; |
518 | } | |
b3fcac34 | 519 | #undef FUNC_NAME |
0f2d19dd | 520 | |
1cc91f1b | 521 | |
0f2d19dd | 522 | SCM |
1bbd0b84 | 523 | scm_make_ra (int ndim) |
0f2d19dd JB |
524 | { |
525 | SCM ra; | |
526 | SCM_NEWCELL (ra); | |
527 | SCM_DEFER_INTS; | |
1be6b49c | 528 | SCM_NEWSMOB(ra, ((scm_bits_t) ndim << 17) + scm_tc16_array, |
880a7d13 MG |
529 | scm_must_malloc ((sizeof (scm_array_t) + |
530 | ndim * sizeof (scm_array_dim_t)), | |
0f2d19dd | 531 | "array")); |
0f2d19dd JB |
532 | SCM_ARRAY_V (ra) = scm_nullvect; |
533 | SCM_ALLOW_INTS; | |
534 | return ra; | |
535 | } | |
536 | ||
537 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
538 | /* Increments will still need to be set. */ | |
539 | ||
1cc91f1b | 540 | |
0f2d19dd | 541 | SCM |
1bbd0b84 | 542 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 543 | { |
1be6b49c | 544 | scm_array_dim_t *s; |
0f2d19dd JB |
545 | SCM ra, spec, sp; |
546 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
547 | if (ndim < 0) |
548 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
549 | ||
0f2d19dd JB |
550 | ra = scm_make_ra (ndim); |
551 | SCM_ARRAY_BASE (ra) = 0; | |
552 | s = SCM_ARRAY_DIMS (ra); | |
a3a32939 | 553 | for (; !SCM_NULLP (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
554 | { |
555 | spec = SCM_CAR (args); | |
a3a32939 | 556 | if (SCM_INUMP (spec)) |
0f2d19dd | 557 | { |
b3fcac34 DH |
558 | if (SCM_INUM (spec) < 0) |
559 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
560 | s->lbnd = 0; |
561 | s->ubnd = SCM_INUM (spec) - 1; | |
562 | s->inc = 1; | |
563 | } | |
564 | else | |
565 | { | |
b3fcac34 DH |
566 | if (!SCM_CONSP (spec) || !SCM_INUMP (SCM_CAR (spec))) |
567 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
568 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
569 | sp = SCM_CDR (spec); | |
b3fcac34 DH |
570 | if (!SCM_CONSP (sp) |
571 | || !SCM_INUMP (SCM_CAR (sp)) | |
572 | || !SCM_NULLP (SCM_CDR (sp))) | |
573 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
574 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
575 | s->inc = 1; | |
576 | } | |
577 | } | |
578 | return ra; | |
579 | } | |
580 | ||
3b3b36dd | 581 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 582 | (SCM dims, SCM prot, SCM fill), |
b380b885 | 583 | "@deffnx primitive make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
584 | "Create and return a uniform array or vector of type\n" |
585 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
586 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
587 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 588 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 589 | { |
1be6b49c | 590 | size_t k; |
c014a02e | 591 | unsigned long rlen = 1; |
1be6b49c | 592 | scm_array_dim_t *s; |
0f2d19dd | 593 | SCM ra; |
1be6b49c | 594 | |
0f2d19dd | 595 | if (SCM_INUMP (dims)) |
cda139a7 | 596 | { |
5b9eb8ae | 597 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
a3a32939 DH |
598 | if (!SCM_UNBNDP (fill)) |
599 | scm_array_fill_x (answer, fill); | |
600 | else if (SCM_SYMBOLP (prot)) | |
601 | scm_array_fill_x (answer, SCM_MAKINUM (0)); | |
602 | else | |
603 | scm_array_fill_x (answer, prot); | |
604 | return answer; | |
cda139a7 | 605 | } |
1be6b49c | 606 | |
0c95b57d GB |
607 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
608 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 609 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 610 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
611 | s = SCM_ARRAY_DIMS (ra); |
612 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 613 | |
0f2d19dd JB |
614 | while (k--) |
615 | { | |
a3a32939 DH |
616 | s[k].inc = rlen; |
617 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 618 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 619 | } |
a3a32939 | 620 | |
a3a32939 DH |
621 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
622 | ||
5c11cc9d | 623 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 624 | scm_array_fill_x (ra, fill); |
0c95b57d | 625 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
626 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
627 | else | |
628 | scm_array_fill_x (ra, prot); | |
a3a32939 | 629 | |
0f2d19dd | 630 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 631 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
632 | return SCM_ARRAY_V (ra); |
633 | return ra; | |
634 | } | |
1bbd0b84 | 635 | #undef FUNC_NAME |
0f2d19dd | 636 | |
1cc91f1b | 637 | |
0f2d19dd | 638 | void |
1bbd0b84 | 639 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 640 | { |
1be6b49c | 641 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 642 | if (k) |
0f2d19dd | 643 | { |
c014a02e | 644 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 645 | while (k--) |
0f2d19dd | 646 | { |
fe0c6dae JB |
647 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
648 | { | |
e038c042 | 649 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
650 | return; |
651 | } | |
652 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
653 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 654 | } |
0f2d19dd | 655 | } |
e038c042 | 656 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
657 | } |
658 | ||
659 | ||
3b3b36dd | 660 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 661 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
662 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
663 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
664 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
665 | "linear, and its range must stay within the bounds of the old array, but\n" | |
666 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 667 | "@lisp\n" |
b380b885 MD |
668 | "(define fred (make-array #f 8 8))\n" |
669 | "(define freds-diagonal\n" | |
670 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
671 | "(array-set! freds-diagonal 'foo 3)\n" | |
672 | "(array-ref fred 3 3) @result{} foo\n" | |
673 | "(define freds-center\n" | |
674 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
675 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 676 | "@end lisp") |
1bbd0b84 | 677 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
678 | { |
679 | SCM ra; | |
680 | SCM inds, indptr; | |
681 | SCM imap; | |
c014a02e ML |
682 | size_t k, i; |
683 | long old_min, new_min, old_max, new_max; | |
1be6b49c | 684 | scm_array_dim_t *s; |
b3fcac34 DH |
685 | |
686 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
3b3b36dd GB |
687 | SCM_VALIDATE_ARRAY (1,oldra); |
688 | SCM_VALIDATE_PROC (2,mapfunc); | |
1bbd0b84 | 689 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
690 | if (SCM_ARRAYP (oldra)) |
691 | { | |
692 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
693 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
694 | s = SCM_ARRAY_DIMS (oldra); | |
695 | k = SCM_ARRAY_NDIM (oldra); | |
696 | while (k--) | |
697 | { | |
698 | if (s[k].inc > 0) | |
699 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
700 | else | |
701 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
702 | } | |
703 | } | |
704 | else | |
705 | { | |
706 | SCM_ARRAY_V (ra) = oldra; | |
707 | old_min = 0; | |
74014c46 | 708 | old_max = SCM_INUM (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
709 | } |
710 | inds = SCM_EOL; | |
711 | s = SCM_ARRAY_DIMS (ra); | |
712 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
713 | { | |
714 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
715 | if (s[k].ubnd < s[k].lbnd) | |
716 | { | |
717 | if (1 == SCM_ARRAY_NDIM (ra)) | |
718 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
719 | else | |
720 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
721 | return ra; | |
722 | } | |
723 | } | |
92396c0a | 724 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
0f2d19dd | 725 | if (SCM_ARRAYP (oldra)) |
c014a02e | 726 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
727 | else |
728 | { | |
729 | if (SCM_NINUMP (imap)) | |
730 | ||
731 | { | |
b3fcac34 DH |
732 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
733 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
734 | imap = SCM_CAR (imap); |
735 | } | |
736 | i = SCM_INUM (imap); | |
737 | } | |
738 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
739 | indptr = inds; | |
740 | k = SCM_ARRAY_NDIM (ra); | |
741 | while (k--) | |
742 | { | |
743 | if (s[k].ubnd > s[k].lbnd) | |
744 | { | |
898a256f | 745 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
0f2d19dd JB |
746 | imap = scm_apply (mapfunc, scm_reverse (inds), SCM_EOL); |
747 | if (SCM_ARRAYP (oldra)) | |
748 | ||
1bbd0b84 | 749 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
750 | else |
751 | { | |
752 | if (SCM_NINUMP (imap)) | |
0f2d19dd | 753 | { |
b3fcac34 DH |
754 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
755 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
756 | imap = SCM_CAR (imap); |
757 | } | |
758 | s[k].inc = (long) SCM_INUM (imap) - i; | |
759 | } | |
760 | i += s[k].inc; | |
761 | if (s[k].inc > 0) | |
762 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
763 | else | |
764 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
765 | } | |
766 | else | |
767 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
768 | indptr = SCM_CDR (indptr); | |
769 | } | |
b3fcac34 DH |
770 | if (old_min > new_min || old_max < new_max) |
771 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
772 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
773 | { | |
74014c46 | 774 | SCM v = SCM_ARRAY_V (ra); |
c014a02e | 775 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
776 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
777 | return v; | |
0f2d19dd JB |
778 | if (s->ubnd < s->lbnd) |
779 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
780 | } | |
781 | scm_ra_set_contp (ra); | |
782 | return ra; | |
783 | } | |
1bbd0b84 | 784 | #undef FUNC_NAME |
0f2d19dd JB |
785 | |
786 | ||
787 | /* args are RA . DIMS */ | |
af45e3b0 DH |
788 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
789 | (SCM ra, SCM args), | |
1e6808ea MG |
790 | "Return an array sharing contents with @var{array}, but with\n" |
791 | "dimensions arranged in a different order. There must be one\n" | |
792 | "@var{dim} argument for each dimension of @var{array}.\n" | |
793 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
794 | "and the rank of the array to be returned. Each integer in that\n" | |
795 | "range must appear at least once in the argument list.\n" | |
796 | "\n" | |
797 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
798 | "dimensions in the array to be returned, their positions in the\n" | |
799 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
800 | "may have the same value, in which case the returned array will\n" | |
801 | "have smaller rank than @var{array}.\n" | |
802 | "\n" | |
803 | "@lisp\n" | |
b380b885 MD |
804 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
805 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
806 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
807 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 808 | "@end lisp") |
1bbd0b84 | 809 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 810 | { |
af45e3b0 | 811 | SCM res, vargs, *ve = &vargs; |
1be6b49c | 812 | scm_array_dim_t *s, *r; |
0f2d19dd | 813 | int ndim, i, k; |
af45e3b0 | 814 | |
b3fcac34 | 815 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 816 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 817 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
818 | { |
819 | default: | |
276dd677 | 820 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
821 | case scm_tc7_bvect: |
822 | case scm_tc7_string: | |
823 | case scm_tc7_byvect: | |
824 | case scm_tc7_uvect: | |
825 | case scm_tc7_ivect: | |
826 | case scm_tc7_fvect: | |
827 | case scm_tc7_dvect: | |
828 | case scm_tc7_cvect: | |
829 | case scm_tc7_svect: | |
5c11cc9d | 830 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
831 | case scm_tc7_llvect: |
832 | #endif | |
b3fcac34 DH |
833 | if (SCM_NULLP (args) || !SCM_NULLP (SCM_CDR (args))) |
834 | SCM_WRONG_NUM_ARGS (); | |
835 | SCM_VALIDATE_INUM (SCM_ARG2, SCM_CAR (args)); | |
685c0d71 DH |
836 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), |
837 | SCM_EQ_P (SCM_INUM0, SCM_CAR (args))); | |
0f2d19dd JB |
838 | return ra; |
839 | case scm_tc7_smob: | |
840 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
841 | vargs = scm_vector (args); | |
b3fcac34 DH |
842 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
843 | SCM_WRONG_NUM_ARGS (); | |
844 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
845 | ndim = 0; |
846 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
847 | { | |
20a54673 | 848 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 849 | FUNC_NAME); |
0f2d19dd | 850 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
851 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
852 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
853 | if (ndim < i) |
854 | ndim = i; | |
855 | } | |
856 | ndim++; | |
857 | res = scm_make_ra (ndim); | |
858 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
859 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
860 | for (k = ndim; k--;) | |
861 | { | |
862 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
863 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
864 | } | |
865 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
866 | { | |
867 | i = SCM_INUM (ve[k]); | |
868 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
869 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
870 | if (r->ubnd < r->lbnd) | |
871 | { | |
872 | r->lbnd = s->lbnd; | |
873 | r->ubnd = s->ubnd; | |
874 | r->inc = s->inc; | |
875 | ndim--; | |
876 | } | |
877 | else | |
878 | { | |
879 | if (r->ubnd > s->ubnd) | |
880 | r->ubnd = s->ubnd; | |
881 | if (r->lbnd < s->lbnd) | |
882 | { | |
883 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
884 | r->lbnd = s->lbnd; | |
885 | } | |
886 | r->inc += s->inc; | |
887 | } | |
888 | } | |
b3fcac34 DH |
889 | if (ndim > 0) |
890 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
891 | scm_ra_set_contp (res); |
892 | return res; | |
893 | } | |
894 | } | |
1bbd0b84 | 895 | #undef FUNC_NAME |
0f2d19dd JB |
896 | |
897 | /* args are RA . AXES */ | |
af45e3b0 DH |
898 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
899 | (SCM ra, SCM axes), | |
b380b885 MD |
900 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
901 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
902 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
903 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
904 | "the dimensions of the outer array are the same as those of the original\n" | |
905 | "array that did not match a @var{dim}.\n\n" | |
906 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
907 | "be set using @code{array-set!}. Two references to the same element of\n" | |
908 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
909 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
910 | "enclosed array is unspecified.\n\n" | |
911 | "examples:\n" | |
1e6808ea | 912 | "@lisp\n" |
b380b885 MD |
913 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
914 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
915 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
916 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 917 | "@end lisp") |
1bbd0b84 | 918 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 919 | { |
af45e3b0 | 920 | SCM axv, res, ra_inr; |
1be6b49c | 921 | scm_array_dim_t vdim, *s = &vdim; |
0f2d19dd | 922 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 923 | |
b3fcac34 | 924 | SCM_VALIDATE_REST_ARGUMENT (axes); |
0f2d19dd | 925 | if (SCM_NULLP (axes)) |
0f2d19dd JB |
926 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
927 | ninr = scm_ilength (axes); | |
b3fcac34 DH |
928 | if (ninr < 0) |
929 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
930 | ra_inr = scm_make_ra (ninr); |
931 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 932 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
933 | { |
934 | default: | |
276dd677 | 935 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
936 | case scm_tc7_string: |
937 | case scm_tc7_bvect: | |
938 | case scm_tc7_byvect: | |
939 | case scm_tc7_uvect: | |
940 | case scm_tc7_ivect: | |
941 | case scm_tc7_fvect: | |
942 | case scm_tc7_dvect: | |
943 | case scm_tc7_cvect: | |
944 | case scm_tc7_vector: | |
95f5b0f5 | 945 | case scm_tc7_wvect: |
0f2d19dd | 946 | case scm_tc7_svect: |
5c11cc9d | 947 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
948 | case scm_tc7_llvect: |
949 | #endif | |
950 | s->lbnd = 0; | |
74014c46 | 951 | s->ubnd = SCM_INUM (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
952 | s->inc = 1; |
953 | SCM_ARRAY_V (ra_inr) = ra; | |
954 | SCM_ARRAY_BASE (ra_inr) = 0; | |
955 | ndim = 1; | |
956 | break; | |
957 | case scm_tc7_smob: | |
958 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
959 | s = SCM_ARRAY_DIMS (ra); | |
960 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
961 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
962 | ndim = SCM_ARRAY_NDIM (ra); | |
963 | break; | |
964 | } | |
965 | noutr = ndim - ninr; | |
b3fcac34 DH |
966 | if (noutr < 0) |
967 | SCM_WRONG_NUM_ARGS (); | |
7866a09b | 968 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
969 | res = scm_make_ra (noutr); |
970 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
971 | SCM_ARRAY_V (res) = ra_inr; | |
972 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
973 | { | |
b3fcac34 DH |
974 | if (!SCM_INUMP (SCM_CAR (axes))) |
975 | SCM_MISC_ERROR ("bad axis", SCM_EOL); | |
0f2d19dd JB |
976 | j = SCM_INUM (SCM_CAR (axes)); |
977 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
978 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
979 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 980 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
981 | } |
982 | for (j = 0, k = 0; k < noutr; k++, j++) | |
983 | { | |
405aaef9 | 984 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
985 | j++; |
986 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
987 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
988 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
989 | } | |
990 | scm_ra_set_contp (ra_inr); | |
991 | scm_ra_set_contp (res); | |
992 | return res; | |
993 | } | |
1bbd0b84 | 994 | #undef FUNC_NAME |
0f2d19dd JB |
995 | |
996 | ||
997 | ||
af45e3b0 DH |
998 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
999 | (SCM v, SCM args), | |
1e6808ea MG |
1000 | "Return @code{#t} if its arguments would be acceptable to\n" |
1001 | "@code{array-ref}.") | |
1bbd0b84 | 1002 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 1003 | { |
af45e3b0 | 1004 | SCM ind = SCM_EOL; |
c014a02e | 1005 | long pos = 0; |
1be6b49c | 1006 | register size_t k; |
c014a02e | 1007 | register long j; |
1be6b49c | 1008 | scm_array_dim_t *s; |
af45e3b0 | 1009 | |
b3fcac34 | 1010 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
1011 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1012 | if (SCM_NIMP (args)) | |
1013 | ||
1014 | { | |
1015 | ind = SCM_CAR (args); | |
1016 | args = SCM_CDR (args); | |
1bbd0b84 | 1017 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1018 | pos = SCM_INUM (ind); |
1019 | } | |
1020 | tail: | |
74014c46 | 1021 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1022 | { |
1023 | default: | |
276dd677 | 1024 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 1025 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1026 | case scm_tc7_smob: |
1027 | k = SCM_ARRAY_NDIM (v); | |
1028 | s = SCM_ARRAY_DIMS (v); | |
1029 | pos = SCM_ARRAY_BASE (v); | |
1030 | if (!k) | |
1031 | { | |
1032 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1033 | ind = SCM_INUM0; | |
1034 | } | |
1035 | else | |
1036 | while (!0) | |
1037 | { | |
1038 | j = SCM_INUM (ind); | |
1039 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1040 | { | |
1041 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1042 | return SCM_BOOL_F; | |
1043 | } | |
1044 | pos += (j - s->lbnd) * (s->inc); | |
1045 | if (!(--k && SCM_NIMP (args))) | |
1046 | break; | |
1047 | ind = SCM_CAR (args); | |
1048 | args = SCM_CDR (args); | |
1049 | s++; | |
b3fcac34 DH |
1050 | if (!SCM_INUMP (ind)) |
1051 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
1052 | } |
1053 | SCM_ASRTGO (0 == k, wna); | |
1054 | v = SCM_ARRAY_V (v); | |
1055 | goto tail; | |
1056 | case scm_tc7_bvect: | |
1057 | case scm_tc7_string: | |
1058 | case scm_tc7_byvect: | |
1059 | case scm_tc7_uvect: | |
1060 | case scm_tc7_ivect: | |
1061 | case scm_tc7_fvect: | |
1062 | case scm_tc7_dvect: | |
1063 | case scm_tc7_cvect: | |
1064 | case scm_tc7_svect: | |
5c11cc9d | 1065 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1066 | case scm_tc7_llvect: |
1067 | #endif | |
1068 | case scm_tc7_vector: | |
95f5b0f5 | 1069 | case scm_tc7_wvect: |
74014c46 | 1070 | { |
c014a02e | 1071 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1072 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1073 | return SCM_BOOL(pos >= 0 && pos < length); | |
1074 | } | |
0f2d19dd JB |
1075 | } |
1076 | } | |
1bbd0b84 | 1077 | #undef FUNC_NAME |
0f2d19dd JB |
1078 | |
1079 | ||
1bbd0b84 | 1080 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1081 | |
1bbd0b84 | 1082 | |
3b3b36dd | 1083 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1084 | (SCM v, SCM args), |
ec57ce2e | 1085 | "@deffnx primitive array-ref v . args\n" |
1e6808ea MG |
1086 | "Return the element at the @code{(index1, index2)} element in\n" |
1087 | "@var{array}.") | |
1bbd0b84 | 1088 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd | 1089 | { |
c014a02e | 1090 | long pos; |
0f2d19dd | 1091 | |
35de7ebe | 1092 | if (SCM_IMP (v)) |
0f2d19dd JB |
1093 | { |
1094 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1095 | return v; | |
1096 | } | |
1097 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1098 | { |
1bbd0b84 | 1099 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1100 | v = SCM_ARRAY_V (v); |
1101 | } | |
1102 | else | |
1103 | { | |
c014a02e | 1104 | unsigned long int length; |
0f2d19dd | 1105 | if (SCM_NIMP (args)) |
0f2d19dd | 1106 | { |
1bbd0b84 | 1107 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1108 | pos = SCM_INUM (SCM_CAR (args)); |
1109 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1110 | } | |
1111 | else | |
1112 | { | |
3b3b36dd | 1113 | SCM_VALIDATE_INUM (2,args); |
0f2d19dd JB |
1114 | pos = SCM_INUM (args); |
1115 | } | |
74014c46 DH |
1116 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1117 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd | 1118 | } |
74014c46 | 1119 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1120 | { |
1121 | default: | |
1122 | if (SCM_NULLP (args)) | |
1123 | return v; | |
35de7ebe | 1124 | badarg: |
276dd677 DH |
1125 | SCM_WRONG_TYPE_ARG (1, v); |
1126 | /* not reached */ | |
c209c88e GB |
1127 | |
1128 | outrng: | |
1129 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1130 | wna: | |
b3fcac34 | 1131 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1132 | case scm_tc7_smob: |
1133 | { /* enclosed */ | |
1134 | int k = SCM_ARRAY_NDIM (v); | |
1135 | SCM res = scm_make_ra (k); | |
1136 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1137 | SCM_ARRAY_BASE (res) = pos; | |
1138 | while (k--) | |
1139 | { | |
1140 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1141 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1142 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1143 | } | |
1144 | return res; | |
1145 | } | |
1146 | case scm_tc7_bvect: | |
c209c88e | 1147 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1148 | return SCM_BOOL_T; |
1149 | else | |
1150 | return SCM_BOOL_F; | |
1151 | case scm_tc7_string: | |
322ac0c5 | 1152 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1153 | case scm_tc7_byvect: |
405aaef9 | 1154 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1155 | case scm_tc7_uvect: |
fee7ef83 | 1156 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1157 | case scm_tc7_ivect: |
1be6b49c | 1158 | return scm_long2num (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1159 | |
1160 | case scm_tc7_svect: | |
4260a7fc | 1161 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1162 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1163 | case scm_tc7_llvect: |
1be6b49c | 1164 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1165 | #endif |
1166 | ||
0f2d19dd | 1167 | case scm_tc7_fvect: |
4260a7fc | 1168 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1169 | case scm_tc7_dvect: |
4260a7fc | 1170 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1171 | case scm_tc7_cvect: |
4260a7fc DH |
1172 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1173 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1174 | case scm_tc7_vector: |
95f5b0f5 | 1175 | case scm_tc7_wvect: |
0f2d19dd JB |
1176 | return SCM_VELTS (v)[pos]; |
1177 | } | |
1178 | } | |
1bbd0b84 | 1179 | #undef FUNC_NAME |
0f2d19dd JB |
1180 | |
1181 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1182 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1183 | |
0f2d19dd | 1184 | SCM |
c014a02e | 1185 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1186 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1187 | { |
5c11cc9d | 1188 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1189 | { |
1190 | default: | |
db4b4ca6 | 1191 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1192 | case scm_tc7_bvect: |
c209c88e | 1193 | if (SCM_BITVEC_REF(v,pos)) |
0f2d19dd JB |
1194 | return SCM_BOOL_T; |
1195 | else | |
1196 | return SCM_BOOL_F; | |
1197 | case scm_tc7_string: | |
322ac0c5 | 1198 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1199 | case scm_tc7_byvect: |
405aaef9 | 1200 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1201 | case scm_tc7_uvect: |
fee7ef83 | 1202 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1203 | case scm_tc7_ivect: |
fee7ef83 | 1204 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1205 | case scm_tc7_svect: |
4260a7fc | 1206 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1207 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1208 | case scm_tc7_llvect: |
1be6b49c | 1209 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1210 | #endif |
0f2d19dd | 1211 | case scm_tc7_fvect: |
fee7ef83 | 1212 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1213 | { |
4260a7fc | 1214 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1215 | return last; |
1216 | } | |
4260a7fc | 1217 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1218 | case scm_tc7_dvect: |
fee7ef83 | 1219 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1220 | { |
4260a7fc | 1221 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1222 | return last; |
1223 | } | |
4260a7fc | 1224 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1225 | case scm_tc7_cvect: |
bc86da5d | 1226 | if (SCM_NIMP (last) && SCM_SLOPPY_COMPLEXP (last)) |
0f2d19dd | 1227 | { |
4260a7fc DH |
1228 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1229 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1230 | return last; |
1231 | } | |
4260a7fc DH |
1232 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1233 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1234 | case scm_tc7_vector: |
95f5b0f5 | 1235 | case scm_tc7_wvect: |
0f2d19dd JB |
1236 | return SCM_VELTS (v)[pos]; |
1237 | case scm_tc7_smob: | |
1238 | { /* enclosed scm_array */ | |
1239 | int k = SCM_ARRAY_NDIM (v); | |
1240 | SCM res = scm_make_ra (k); | |
1241 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1242 | SCM_ARRAY_BASE (res) = pos; | |
1243 | while (k--) | |
1244 | { | |
1245 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1246 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1247 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1248 | } | |
1249 | return res; | |
1250 | } | |
1251 | } | |
1252 | } | |
db4b4ca6 DH |
1253 | #undef FUNC_NAME |
1254 | ||
0f2d19dd | 1255 | |
1bbd0b84 GB |
1256 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1257 | ||
1cc91f1b | 1258 | |
0aa0871f GH |
1259 | /* Note that args may be a list or an immediate object, depending which |
1260 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1261 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1262 | (SCM v, SCM obj, SCM args), |
ec57ce2e | 1263 | "@deffnx primitive uniform-array-set1! v obj args\n" |
b380b885 MD |
1264 | "Sets the element at the @code{(index1, index2)} element in @var{array} to\n" |
1265 | "@var{new-value}. The value returned by array-set! is unspecified.") | |
1bbd0b84 | 1266 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1267 | { |
c014a02e | 1268 | long pos = 0; |
b3fcac34 DH |
1269 | |
1270 | SCM_VALIDATE_REST_ARGUMENT (args); | |
0f2d19dd JB |
1271 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1272 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1273 | { |
1bbd0b84 | 1274 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1275 | v = SCM_ARRAY_V (v); |
1276 | } | |
1277 | else | |
1278 | { | |
c014a02e | 1279 | unsigned long int length; |
0f2d19dd | 1280 | if (SCM_NIMP (args)) |
0f2d19dd | 1281 | { |
0aa0871f | 1282 | SCM_ASSERT (SCM_CONSP(args) && SCM_INUMP (SCM_CAR (args)), args, |
1bbd0b84 | 1283 | SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1284 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1285 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1286 | } |
1287 | else | |
1288 | { | |
3b3b36dd | 1289 | SCM_VALIDATE_INUM_COPY (3,args,pos); |
0f2d19dd | 1290 | } |
74014c46 DH |
1291 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1292 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd JB |
1293 | } |
1294 | switch (SCM_TYP7 (v)) | |
1295 | { | |
35de7ebe | 1296 | default: badarg1: |
276dd677 DH |
1297 | SCM_WRONG_TYPE_ARG (1, v); |
1298 | /* not reached */ | |
c209c88e GB |
1299 | outrng: |
1300 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1301 | wna: | |
b3fcac34 | 1302 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1303 | case scm_tc7_smob: /* enclosed */ |
1304 | goto badarg1; | |
1305 | case scm_tc7_bvect: | |
4260a7fc | 1306 | if (SCM_FALSEP (obj)) |
c209c88e | 1307 | SCM_BITVEC_CLR(v,pos); |
9a09deb1 | 1308 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c209c88e | 1309 | SCM_BITVEC_SET(v,pos); |
0f2d19dd | 1310 | else |
276dd677 | 1311 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1312 | break; |
1313 | case scm_tc7_string: | |
7866a09b | 1314 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1315 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1316 | break; |
1317 | case scm_tc7_byvect: | |
7866a09b GB |
1318 | if (SCM_CHARP (obj)) |
1319 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1320 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1321 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1322 | break; |
1bbd0b84 | 1323 | case scm_tc7_uvect: |
729dbac3 DH |
1324 | ((unsigned long *) SCM_UVECTOR_BASE (v))[pos] |
1325 | = scm_num2ulong (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1326 | break; |
1bbd0b84 | 1327 | case scm_tc7_ivect: |
729dbac3 DH |
1328 | ((long *) SCM_UVECTOR_BASE (v))[pos] |
1329 | = scm_num2long (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1330 | break; |
0f2d19dd | 1331 | case scm_tc7_svect: |
0aa0871f | 1332 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
729dbac3 | 1333 | ((short *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1334 | break; |
5c11cc9d | 1335 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1336 | case scm_tc7_llvect: |
729dbac3 DH |
1337 | ((long long *) SCM_UVECTOR_BASE (v))[pos] |
1338 | = scm_num2long_long (obj, SCM_ARG2, FUNC_NAME); | |
0f2d19dd JB |
1339 | break; |
1340 | #endif | |
0f2d19dd | 1341 | case scm_tc7_fvect: |
729dbac3 DH |
1342 | ((float *) SCM_UVECTOR_BASE (v))[pos] |
1343 | = (float) scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd | 1344 | break; |
0f2d19dd | 1345 | case scm_tc7_dvect: |
729dbac3 DH |
1346 | ((double *) SCM_UVECTOR_BASE (v))[pos] |
1347 | = scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd JB |
1348 | break; |
1349 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1350 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1351 | if (SCM_REALP (obj)) { | |
729dbac3 DH |
1352 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_REAL_VALUE (obj); |
1353 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = 0.0; | |
eb42e2f0 | 1354 | } else { |
729dbac3 DH |
1355 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_COMPLEX_REAL (obj); |
1356 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
eb42e2f0 | 1357 | } |
0f2d19dd | 1358 | break; |
0f2d19dd | 1359 | case scm_tc7_vector: |
95f5b0f5 | 1360 | case scm_tc7_wvect: |
0f2d19dd JB |
1361 | SCM_VELTS (v)[pos] = obj; |
1362 | break; | |
1363 | } | |
1364 | return SCM_UNSPECIFIED; | |
1365 | } | |
1bbd0b84 | 1366 | #undef FUNC_NAME |
0f2d19dd | 1367 | |
1d7bdb25 GH |
1368 | /* attempts to unroll an array into a one-dimensional array. |
1369 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1370 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1371 | wouldn't have contiguous elements. */ |
3b3b36dd | 1372 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1373 | (SCM ra, SCM strict), |
b380b885 MD |
1374 | "@deffnx primitive array-contents array strict\n" |
1375 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" | |
1376 | "without changing their order (last subscript changing fastest), then\n" | |
1377 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1378 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1379 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1380 | "@var{make-shared-array} may not be.\n\n" | |
1381 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1382 | "be returned only if its elements are stored internally contiguous in\n" | |
1383 | "memory.") | |
1bbd0b84 | 1384 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1385 | { |
1386 | SCM sra; | |
1387 | if (SCM_IMP (ra)) | |
f3667f52 | 1388 | return SCM_BOOL_F; |
5c11cc9d | 1389 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1390 | { |
1391 | default: | |
1392 | return SCM_BOOL_F; | |
1393 | case scm_tc7_vector: | |
95f5b0f5 | 1394 | case scm_tc7_wvect: |
0f2d19dd JB |
1395 | case scm_tc7_string: |
1396 | case scm_tc7_bvect: | |
1397 | case scm_tc7_byvect: | |
1398 | case scm_tc7_uvect: | |
1399 | case scm_tc7_ivect: | |
1400 | case scm_tc7_fvect: | |
1401 | case scm_tc7_dvect: | |
1402 | case scm_tc7_cvect: | |
1403 | case scm_tc7_svect: | |
5c11cc9d | 1404 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1405 | case scm_tc7_llvect: |
1406 | #endif | |
1407 | return ra; | |
1408 | case scm_tc7_smob: | |
1409 | { | |
c014a02e | 1410 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1411 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1412 | return SCM_BOOL_F; | |
1413 | for (k = 0; k < ndim; k++) | |
1414 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1415 | if (!SCM_UNBNDP (strict)) | |
1416 | { | |
0f2d19dd JB |
1417 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1418 | return SCM_BOOL_F; | |
1419 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1420 | { | |
74014c46 | 1421 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1422 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1423 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1424 | return SCM_BOOL_F; |
1425 | } | |
1426 | } | |
74014c46 DH |
1427 | |
1428 | { | |
1429 | SCM v = SCM_ARRAY_V (ra); | |
c014a02e | 1430 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1431 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1432 | return v; | |
1433 | } | |
1434 | ||
0f2d19dd JB |
1435 | sra = scm_make_ra (1); |
1436 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1437 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1438 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1439 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1440 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1441 | return sra; | |
1442 | } | |
1443 | } | |
1444 | } | |
1bbd0b84 | 1445 | #undef FUNC_NAME |
0f2d19dd | 1446 | |
1cc91f1b | 1447 | |
0f2d19dd | 1448 | SCM |
6e8d25a6 | 1449 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1450 | { |
1451 | SCM ret; | |
c014a02e ML |
1452 | long inc = 1; |
1453 | size_t k, len = 1; | |
0f2d19dd JB |
1454 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1455 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1456 | k = SCM_ARRAY_NDIM (ra); | |
1457 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1458 | { | |
74014c46 | 1459 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1460 | return ra; |
74014c46 | 1461 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1462 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1463 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1464 | return ra; |
1465 | } | |
1466 | ret = scm_make_ra (k); | |
1467 | SCM_ARRAY_BASE (ret) = 0; | |
1468 | while (k--) | |
1469 | { | |
1470 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1471 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1472 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1473 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1474 | } | |
1475 | SCM_ARRAY_V (ret) = scm_make_uve ((inc - 1), scm_array_prototype (ra)); | |
1476 | if (copy) | |
1477 | scm_array_copy_x (ra, ret); | |
1478 | return ret; | |
1479 | } | |
1480 | ||
1481 | ||
1482 | ||
3b3b36dd | 1483 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1484 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1485 | "@deffnx primitive uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1486 | "Attempts to read all elements of @var{ura}, in lexicographic order, as\n" | |
1487 | "binary objects from @var{port-or-fdes}.\n" | |
1488 | "If an end of file is encountered during\n" | |
1489 | "uniform-array-read! the objects up to that point only are put into @var{ura}\n" | |
1490 | "(starting at the beginning) and the remainder of the array is\n" | |
1491 | "unchanged.\n\n" | |
1492 | "The optional arguments @var{start} and @var{end} allow\n" | |
1493 | "a specified region of a vector (or linearized array) to be read,\n" | |
1494 | "leaving the remainder of the vector unchanged.\n\n" | |
1495 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1496 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1497 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1498 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1499 | { |
35de7ebe | 1500 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1501 | long sz, vlen, ans; |
1502 | long cstart = 0; | |
1503 | long cend; | |
1504 | long offset = 0; | |
405aaef9 | 1505 | char *base; |
35de7ebe | 1506 | |
0f2d19dd | 1507 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1508 | if (SCM_UNBNDP (port_or_fd)) |
1509 | port_or_fd = scm_cur_inp; | |
1510 | else | |
1511 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1512 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1513 | port_or_fd, SCM_ARG2, FUNC_NAME); |
74014c46 | 1514 | vlen = SCM_INUM (scm_uniform_vector_length (v)); |
35de7ebe | 1515 | |
0f2d19dd | 1516 | loop: |
35de7ebe | 1517 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1518 | { |
1519 | default: | |
276dd677 | 1520 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd JB |
1521 | case scm_tc7_smob: |
1522 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1523 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1524 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1525 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1526 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1527 | v = SCM_ARRAY_V (cra); | |
1528 | goto loop; | |
1529 | case scm_tc7_string: | |
74014c46 | 1530 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1531 | sz = sizeof (char); |
1532 | break; | |
1533 | case scm_tc7_bvect: | |
74014c46 | 1534 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1535 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1536 | cstart /= SCM_LONG_BIT; | |
1537 | sz = sizeof (long); | |
74014c46 DH |
1538 | break; |
1539 | case scm_tc7_byvect: | |
1540 | base = (char *) SCM_UVECTOR_BASE (v); | |
1541 | sz = sizeof (char); | |
1542 | break; | |
0f2d19dd JB |
1543 | case scm_tc7_uvect: |
1544 | case scm_tc7_ivect: | |
74014c46 | 1545 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1546 | sz = sizeof (long); |
1547 | break; | |
1548 | case scm_tc7_svect: | |
74014c46 | 1549 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1550 | sz = sizeof (short); |
1551 | break; | |
5c11cc9d | 1552 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1553 | case scm_tc7_llvect: |
74014c46 | 1554 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1555 | sz = sizeof (long long); |
0f2d19dd JB |
1556 | break; |
1557 | #endif | |
0f2d19dd | 1558 | case scm_tc7_fvect: |
74014c46 | 1559 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1560 | sz = sizeof (float); |
1561 | break; | |
0f2d19dd | 1562 | case scm_tc7_dvect: |
74014c46 | 1563 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1564 | sz = sizeof (double); |
1565 | break; | |
1566 | case scm_tc7_cvect: | |
74014c46 | 1567 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1568 | sz = 2 * sizeof (double); |
1569 | break; | |
0f2d19dd | 1570 | } |
405aaef9 | 1571 | |
1146b6cd GH |
1572 | cend = vlen; |
1573 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1574 | { |
1146b6cd | 1575 | offset = |
c014a02e | 1576 | SCM_NUM2LONG (3, start); |
35de7ebe | 1577 | |
1146b6cd | 1578 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1579 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1580 | |
1581 | if (!SCM_UNBNDP (end)) | |
1582 | { | |
c014a02e ML |
1583 | long tend = |
1584 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1585 | |
1146b6cd | 1586 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1587 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1588 | cend = tend; |
1589 | } | |
0f2d19dd | 1590 | } |
35de7ebe | 1591 | |
3d8d56df GH |
1592 | if (SCM_NIMP (port_or_fd)) |
1593 | { | |
1be6b49c | 1594 | scm_port_t *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1595 | int remaining = (cend - offset) * sz; |
405aaef9 | 1596 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1597 | |
1598 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1599 | scm_flush (port_or_fd); |
6c951427 GH |
1600 | |
1601 | ans = cend - offset; | |
1602 | while (remaining > 0) | |
3d8d56df | 1603 | { |
6c951427 GH |
1604 | if (pt->read_pos < pt->read_end) |
1605 | { | |
1606 | int to_copy = min (pt->read_end - pt->read_pos, | |
1607 | remaining); | |
1608 | ||
1609 | memcpy (dest, pt->read_pos, to_copy); | |
1610 | pt->read_pos += to_copy; | |
1611 | remaining -= to_copy; | |
1612 | dest += to_copy; | |
1613 | } | |
1614 | else | |
1615 | { | |
affc96b5 | 1616 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1617 | { |
1618 | if (remaining % sz != 0) | |
1619 | { | |
5d2d2ffc | 1620 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1621 | } |
1622 | ans -= remaining / sz; | |
1623 | break; | |
1624 | } | |
6c951427 | 1625 | } |
3d8d56df | 1626 | } |
6c951427 GH |
1627 | |
1628 | if (pt->rw_random) | |
1629 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1630 | } |
1631 | else /* file descriptor. */ | |
1632 | { | |
1633 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1634 | base + (cstart + offset) * sz, |
1be6b49c | 1635 | (sz * (cend - offset)))); |
3d8d56df | 1636 | if (ans == -1) |
1bbd0b84 | 1637 | SCM_SYSERROR; |
3d8d56df | 1638 | } |
0f2d19dd | 1639 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1640 | ans *= SCM_LONG_BIT; |
35de7ebe | 1641 | |
fee7ef83 | 1642 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1643 | scm_array_copy_x (cra, ra); |
35de7ebe | 1644 | |
0f2d19dd JB |
1645 | return SCM_MAKINUM (ans); |
1646 | } | |
1bbd0b84 | 1647 | #undef FUNC_NAME |
0f2d19dd | 1648 | |
3b3b36dd | 1649 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1650 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
b380b885 MD |
1651 | "@deffnx primitive uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
1652 | "Writes all elements of @var{ura} as binary objects to\n" | |
1653 | "@var{port-or-fdes}.\n\n" | |
1654 | "The optional arguments @var{start}\n" | |
1655 | "and @var{end} allow\n" | |
1656 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
1657 | "The number of objects actually written is returned. \n" | |
1658 | "@var{port-or-fdes} may be\n" | |
1659 | "omitted, in which case it defaults to the value returned by\n" | |
1660 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1661 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1662 | { |
c014a02e ML |
1663 | long sz, vlen, ans; |
1664 | long offset = 0; | |
1665 | long cstart = 0; | |
1666 | long cend; | |
405aaef9 | 1667 | char *base; |
3d8d56df | 1668 | |
78446828 MV |
1669 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1670 | ||
0f2d19dd | 1671 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1672 | if (SCM_UNBNDP (port_or_fd)) |
1673 | port_or_fd = scm_cur_outp; | |
1674 | else | |
1675 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1676 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1677 | port_or_fd, SCM_ARG2, FUNC_NAME); |
74014c46 | 1678 | vlen = SCM_INUM (scm_uniform_vector_length (v)); |
3d8d56df | 1679 | |
0f2d19dd | 1680 | loop: |
3d8d56df | 1681 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1682 | { |
1683 | default: | |
276dd677 | 1684 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1685 | case scm_tc7_smob: |
1686 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1687 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1688 | cstart = SCM_ARRAY_BASE (v); |
3d8d56df GH |
1689 | vlen = SCM_ARRAY_DIMS (v)->inc |
1690 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1); | |
0f2d19dd JB |
1691 | v = SCM_ARRAY_V (v); |
1692 | goto loop; | |
0f2d19dd | 1693 | case scm_tc7_string: |
74014c46 | 1694 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1695 | sz = sizeof (char); |
1696 | break; | |
1697 | case scm_tc7_bvect: | |
74014c46 | 1698 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1699 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1700 | cstart /= SCM_LONG_BIT; | |
1701 | sz = sizeof (long); | |
74014c46 DH |
1702 | break; |
1703 | case scm_tc7_byvect: | |
1704 | base = (char *) SCM_UVECTOR_BASE (v); | |
1705 | sz = sizeof (char); | |
1706 | break; | |
0f2d19dd JB |
1707 | case scm_tc7_uvect: |
1708 | case scm_tc7_ivect: | |
74014c46 | 1709 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1710 | sz = sizeof (long); |
1711 | break; | |
1712 | case scm_tc7_svect: | |
74014c46 | 1713 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1714 | sz = sizeof (short); |
1715 | break; | |
5c11cc9d | 1716 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1717 | case scm_tc7_llvect: |
74014c46 | 1718 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1719 | sz = sizeof (long long); |
0f2d19dd JB |
1720 | break; |
1721 | #endif | |
0f2d19dd | 1722 | case scm_tc7_fvect: |
74014c46 | 1723 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1724 | sz = sizeof (float); |
1725 | break; | |
0f2d19dd | 1726 | case scm_tc7_dvect: |
74014c46 | 1727 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1728 | sz = sizeof (double); |
1729 | break; | |
1730 | case scm_tc7_cvect: | |
74014c46 | 1731 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1732 | sz = 2 * sizeof (double); |
1733 | break; | |
0f2d19dd | 1734 | } |
3d8d56df | 1735 | |
1146b6cd GH |
1736 | cend = vlen; |
1737 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1738 | { |
1146b6cd | 1739 | offset = |
c014a02e | 1740 | SCM_NUM2LONG (3, start); |
3d8d56df | 1741 | |
1146b6cd | 1742 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1743 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1744 | |
1745 | if (!SCM_UNBNDP (end)) | |
1746 | { | |
c014a02e ML |
1747 | long tend = |
1748 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1749 | |
1146b6cd | 1750 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1751 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1752 | cend = tend; |
1753 | } | |
3d8d56df GH |
1754 | } |
1755 | ||
1756 | if (SCM_NIMP (port_or_fd)) | |
1757 | { | |
405aaef9 | 1758 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1759 | |
1760 | ans = cend - offset; | |
265e6a4d | 1761 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1762 | } |
1763 | else /* file descriptor. */ | |
1764 | { | |
1765 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1766 | base + (cstart + offset) * sz, |
1be6b49c | 1767 | (sz * (cend - offset)))); |
3d8d56df | 1768 | if (ans == -1) |
1bbd0b84 | 1769 | SCM_SYSERROR; |
3d8d56df | 1770 | } |
0f2d19dd | 1771 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1772 | ans *= SCM_LONG_BIT; |
3d8d56df | 1773 | |
0f2d19dd JB |
1774 | return SCM_MAKINUM (ans); |
1775 | } | |
1bbd0b84 | 1776 | #undef FUNC_NAME |
0f2d19dd JB |
1777 | |
1778 | ||
1779 | static char cnt_tab[16] = | |
1780 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1781 | ||
3b3b36dd | 1782 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1783 | (SCM b, SCM bitvector), |
1e6808ea | 1784 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1785 | "@var{bitvector}.") |
1bbd0b84 | 1786 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1787 | { |
44e47754 | 1788 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1789 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1790 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1791 | return SCM_INUM0; |
1792 | } else { | |
c014a02e ML |
1793 | unsigned long int count = 0; |
1794 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1795 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
44e47754 DH |
1796 | if (SCM_FALSEP (b)) { |
1797 | w = ~w; | |
1798 | }; | |
c014a02e | 1799 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1800 | while (1) { |
1801 | while (w) { | |
1802 | count += cnt_tab[w & 0x0f]; | |
1803 | w >>= 4; | |
1804 | } | |
1805 | if (i == 0) { | |
1806 | return SCM_MAKINUM (count); | |
1807 | } else { | |
1808 | --i; | |
1809 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1810 | if (SCM_FALSEP (b)) { | |
1811 | w = ~w; | |
0f2d19dd | 1812 | } |
44e47754 | 1813 | } |
0f2d19dd | 1814 | } |
44e47754 | 1815 | } |
0f2d19dd | 1816 | } |
1bbd0b84 | 1817 | #undef FUNC_NAME |
0f2d19dd JB |
1818 | |
1819 | ||
3b3b36dd | 1820 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1821 | (SCM item, SCM v, SCM k), |
1e6808ea MG |
1822 | "Return the minimum index of an occurrence of @var{bool} in\n" |
1823 | "@var{bv} which is at least @var{k}. If no @var{bool} occurs\n" | |
1824 | "within the specified range @code{#f} is returned.") | |
1bbd0b84 | 1825 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1826 | { |
c014a02e ML |
1827 | long i, lenw, xbits, pos; |
1828 | register unsigned long w; | |
74014c46 DH |
1829 | |
1830 | SCM_VALIDATE_BOOL (1, item); | |
1831 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
3b3b36dd | 1832 | SCM_VALIDATE_INUM_COPY (3,k,pos); |
74014c46 DH |
1833 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1834 | ||
1835 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1836 | return SCM_BOOL_F; |
74014c46 | 1837 | |
c014a02e ML |
1838 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1839 | i = pos / SCM_LONG_BIT; | |
74014c46 DH |
1840 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
1841 | if (SCM_FALSEP (item)) | |
1842 | w = ~w; | |
c014a02e | 1843 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1844 | pos -= xbits; |
1845 | w = ((w >> xbits) << xbits); | |
c014a02e | 1846 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1847 | while (!0) |
1848 | { | |
1849 | if (w && (i == lenw)) | |
1850 | w = ((w << xbits) >> xbits); | |
1851 | if (w) | |
1852 | while (w) | |
1853 | switch (w & 0x0f) | |
1854 | { | |
1855 | default: | |
1856 | return SCM_MAKINUM (pos); | |
1857 | case 2: | |
1858 | case 6: | |
1859 | case 10: | |
1860 | case 14: | |
1861 | return SCM_MAKINUM (pos + 1); | |
1862 | case 4: | |
1863 | case 12: | |
1864 | return SCM_MAKINUM (pos + 2); | |
1865 | case 8: | |
1866 | return SCM_MAKINUM (pos + 3); | |
1867 | case 0: | |
1868 | pos += 4; | |
1869 | w >>= 4; | |
1870 | } | |
1871 | if (++i > lenw) | |
1872 | break; | |
c014a02e | 1873 | pos += SCM_LONG_BIT; |
f1267706 | 1874 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1875 | if (SCM_FALSEP (item)) |
1876 | w = ~w; | |
0f2d19dd | 1877 | } |
74014c46 | 1878 | return SCM_BOOL_F; |
0f2d19dd | 1879 | } |
1bbd0b84 | 1880 | #undef FUNC_NAME |
0f2d19dd JB |
1881 | |
1882 | ||
3b3b36dd | 1883 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 MG |
1884 | (SCM v, SCM kv, SCM obj), |
1885 | "If uve is a bit-vector @var{bv} and uve must be of the same\n" | |
1886 | "length. If @var{bool} is @code{#t}, uve is OR'ed into\n" | |
1887 | "@var{bv}; If @var{bool} is @code{#f}, the inversion of uve is\n" | |
1888 | "AND'ed into @var{bv}.\n\n" | |
1889 | "If uve is a unsigned integer vector all the elements of uve\n" | |
1890 | "must be between 0 and the @code{length} of @var{bv}. The bits\n" | |
1891 | "of @var{bv} corresponding to the indexes in uve are set to\n" | |
1892 | "@var{bool}. The return value is unspecified.") | |
1bbd0b84 | 1893 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1894 | { |
c014a02e | 1895 | register long i, k, vlen; |
74014c46 | 1896 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1897 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1898 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1899 | { |
1900 | default: | |
276dd677 | 1901 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1902 | case scm_tc7_uvect: |
74014c46 DH |
1903 | vlen = SCM_BITVECTOR_LENGTH (v); |
1904 | if (SCM_FALSEP (obj)) | |
1905 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1906 | { | |
c014a02e | 1907 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1908 | if (k >= vlen) |
1909 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1910 | SCM_BITVEC_CLR(v,k); | |
1911 | } | |
1912 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1913 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1914 | { | |
c014a02e | 1915 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1916 | if (k >= vlen) |
1917 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1918 | SCM_BITVEC_SET(v,k); | |
1919 | } | |
1920 | else | |
276dd677 | 1921 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1922 | break; |
1923 | case scm_tc7_bvect: | |
74014c46 | 1924 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
4260a7fc | 1925 | if (SCM_FALSEP (obj)) |
c014a02e | 1926 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1927 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; |
9a09deb1 | 1928 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c014a02e | 1929 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1930 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; |
0f2d19dd JB |
1931 | else |
1932 | goto badarg3; | |
1933 | break; | |
1934 | } | |
1935 | return SCM_UNSPECIFIED; | |
1936 | } | |
1bbd0b84 | 1937 | #undef FUNC_NAME |
0f2d19dd JB |
1938 | |
1939 | ||
3b3b36dd | 1940 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1941 | (SCM v, SCM kv, SCM obj), |
1e6808ea MG |
1942 | "Return\n" |
1943 | "@lisp\n" | |
b380b885 | 1944 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" |
1e6808ea | 1945 | "@end lisp\n" |
b380b885 | 1946 | "@var{bv} is not modified.") |
1bbd0b84 | 1947 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1948 | { |
c014a02e ML |
1949 | register long i, vlen, count = 0; |
1950 | register unsigned long k; | |
41b0806d | 1951 | int fObj = 0; |
c209c88e | 1952 | |
74014c46 | 1953 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1954 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1955 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1956 | { |
1957 | default: | |
c209c88e | 1958 | badarg2: |
276dd677 | 1959 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1960 | case scm_tc7_uvect: |
74014c46 DH |
1961 | vlen = SCM_BITVECTOR_LENGTH (v); |
1962 | if (SCM_FALSEP (obj)) | |
1963 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1964 | { | |
c014a02e | 1965 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1966 | if (k >= vlen) |
1967 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1968 | if (!SCM_BITVEC_REF(v,k)) | |
1969 | count++; | |
1970 | } | |
1971 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1972 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1973 | { | |
c014a02e | 1974 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1975 | if (k >= vlen) |
1976 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
1977 | if (SCM_BITVEC_REF (v,k)) | |
1978 | count++; | |
1979 | } | |
1980 | else | |
276dd677 | 1981 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1982 | break; |
1983 | case scm_tc7_bvect: | |
74014c46 DH |
1984 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1985 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1986 | return SCM_INUM0; |
4260a7fc | 1987 | SCM_ASRTGO (SCM_BOOLP (obj), badarg3); |
9a09deb1 | 1988 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
c014a02e ML |
1989 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
1990 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
1991 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 1992 | while (1) |
0f2d19dd JB |
1993 | { |
1994 | for (; k; k >>= 4) | |
1995 | count += cnt_tab[k & 0x0f]; | |
1996 | if (0 == i--) | |
1997 | return SCM_MAKINUM (count); | |
c209c88e GB |
1998 | |
1999 | /* urg. repetitive (see above.) */ | |
c014a02e | 2000 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
2001 | } |
2002 | } | |
2003 | return SCM_MAKINUM (count); | |
2004 | } | |
1bbd0b84 | 2005 | #undef FUNC_NAME |
0f2d19dd JB |
2006 | |
2007 | ||
3b3b36dd | 2008 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 2009 | (SCM v), |
b380b885 | 2010 | "Modifies @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 2011 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2012 | { |
c014a02e | 2013 | long int k; |
74014c46 DH |
2014 | |
2015 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2016 | ||
2017 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 2018 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 2019 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 2020 | |
0f2d19dd JB |
2021 | return SCM_UNSPECIFIED; |
2022 | } | |
1bbd0b84 | 2023 | #undef FUNC_NAME |
0f2d19dd JB |
2024 | |
2025 | ||
0f2d19dd | 2026 | SCM |
c014a02e | 2027 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2028 | { |
2029 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
c014a02e ML |
2030 | long *data = (long *) SCM_VELTS (v); |
2031 | register unsigned long mask; | |
2032 | register long k; | |
2033 | register long j; | |
2034 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
0f2d19dd JB |
2035 | { |
2036 | data[k] = 0L; | |
c014a02e ML |
2037 | j = len - k * SCM_LONG_BIT; |
2038 | if (j > SCM_LONG_BIT) | |
2039 | j = SCM_LONG_BIT; | |
0f2d19dd JB |
2040 | for (mask = 1L; j--; mask <<= 1) |
2041 | switch (*str++) | |
2042 | { | |
2043 | case '0': | |
2044 | break; | |
2045 | case '1': | |
2046 | data[k] |= mask; | |
2047 | break; | |
2048 | default: | |
2049 | return SCM_BOOL_F; | |
2050 | } | |
2051 | } | |
2052 | return v; | |
2053 | } | |
2054 | ||
2055 | ||
1cc91f1b | 2056 | |
0f2d19dd | 2057 | static SCM |
c014a02e | 2058 | ra2l (SCM ra,unsigned long base,unsigned long k) |
0f2d19dd JB |
2059 | { |
2060 | register SCM res = SCM_EOL; | |
c014a02e ML |
2061 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2062 | register size_t i; | |
0f2d19dd JB |
2063 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
2064 | return SCM_EOL; | |
2065 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2066 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2067 | { | |
2068 | do | |
2069 | { | |
2070 | i -= inc; | |
2071 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2072 | } | |
2073 | while (i != base); | |
2074 | } | |
2075 | else | |
2076 | do | |
2077 | { | |
2078 | i -= inc; | |
2079 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2080 | } | |
2081 | while (i != base); | |
2082 | return res; | |
2083 | } | |
2084 | ||
2085 | ||
3b3b36dd | 2086 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2087 | (SCM v), |
1e6808ea MG |
2088 | "Return a list consisting of all the elements, in order, of\n" |
2089 | "@var{array}.") | |
1bbd0b84 | 2090 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2091 | { |
2092 | SCM res = SCM_EOL; | |
c014a02e | 2093 | register long k; |
0f2d19dd | 2094 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 2095 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2096 | { |
2097 | default: | |
276dd677 | 2098 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2099 | case scm_tc7_smob: |
2100 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2101 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2102 | case scm_tc7_vector: | |
95f5b0f5 | 2103 | case scm_tc7_wvect: |
0f2d19dd JB |
2104 | return scm_vector_to_list (v); |
2105 | case scm_tc7_string: | |
2106 | return scm_string_to_list (v); | |
2107 | case scm_tc7_bvect: | |
2108 | { | |
c014a02e ML |
2109 | long *data = (long *) SCM_VELTS (v); |
2110 | register unsigned long mask; | |
2111 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
2112 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
2113 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); | |
2114 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) | |
2115 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); | |
0f2d19dd JB |
2116 | return res; |
2117 | } | |
af7546eb DH |
2118 | case scm_tc7_byvect: |
2119 | { | |
2120 | signed char *data = (signed char *) SCM_VELTS (v); | |
c014a02e | 2121 | unsigned long k = SCM_UVECTOR_LENGTH (v); |
af7546eb DH |
2122 | while (k != 0) |
2123 | res = scm_cons (SCM_MAKINUM (data[--k]), res); | |
2124 | return res; | |
2125 | } | |
2126 | case scm_tc7_uvect: | |
2127 | { | |
c014a02e | 2128 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2129 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2130 | res = scm_cons(scm_ulong2num(data[k]), res); |
af7546eb DH |
2131 | return res; |
2132 | } | |
2133 | case scm_tc7_ivect: | |
2134 | { | |
c014a02e | 2135 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2136 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2137 | res = scm_cons(scm_long2num(data[k]), res); |
af7546eb DH |
2138 | return res; |
2139 | } | |
2140 | case scm_tc7_svect: | |
2141 | { | |
2142 | short *data = (short *)SCM_VELTS(v); | |
2143 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
1be6b49c | 2144 | res = scm_cons(scm_short2num (data[k]), res); |
af7546eb DH |
2145 | return res; |
2146 | } | |
5c11cc9d | 2147 | #ifdef HAVE_LONG_LONGS |
af7546eb DH |
2148 | case scm_tc7_llvect: |
2149 | { | |
1be6b49c | 2150 | long long *data = (long long *)SCM_VELTS(v); |
af7546eb DH |
2151 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
2152 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2153 | return res; | |
2154 | } | |
0f2d19dd | 2155 | #endif |
0f2d19dd JB |
2156 | case scm_tc7_fvect: |
2157 | { | |
2158 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2159 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
bc86da5d | 2160 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2161 | return res; |
2162 | } | |
0f2d19dd JB |
2163 | case scm_tc7_dvect: |
2164 | { | |
2165 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2166 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2167 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2168 | return res; |
2169 | } | |
2170 | case scm_tc7_cvect: | |
2171 | { | |
2172 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2173 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2174 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2175 | return res; |
2176 | } | |
0f2d19dd JB |
2177 | } |
2178 | } | |
1bbd0b84 | 2179 | #undef FUNC_NAME |
0f2d19dd JB |
2180 | |
2181 | ||
c014a02e | 2182 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 2183 | |
3b3b36dd | 2184 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2185 | (SCM ndim, SCM prot, SCM lst), |
b380b885 | 2186 | "@deffnx procedure list->uniform-vector prot lst\n" |
1e6808ea MG |
2187 | "Return a uniform array of the type indicated by prototype\n" |
2188 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2189 | "Elements must be of the appropriate type, no coercions are\n" | |
2190 | "done.") | |
1bbd0b84 | 2191 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2192 | { |
2193 | SCM shp = SCM_EOL; | |
2194 | SCM row = lst; | |
2195 | SCM ra; | |
c014a02e | 2196 | unsigned long k; |
0f2d19dd | 2197 | long n; |
3b3b36dd | 2198 | SCM_VALIDATE_INUM_COPY (1,ndim,k); |
0f2d19dd JB |
2199 | while (k--) |
2200 | { | |
2201 | n = scm_ilength (row); | |
1bbd0b84 | 2202 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2203 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2204 | if (SCM_NIMP (row)) | |
2205 | row = SCM_CAR (row); | |
2206 | } | |
d12feca3 GH |
2207 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2208 | SCM_UNDEFINED); | |
0f2d19dd | 2209 | if (SCM_NULLP (shp)) |
0f2d19dd JB |
2210 | { |
2211 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2212 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2213 | return ra; | |
2214 | } | |
2215 | if (!SCM_ARRAYP (ra)) | |
2216 | { | |
c014a02e | 2217 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra)); |
74014c46 | 2218 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
0f2d19dd JB |
2219 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); |
2220 | return ra; | |
2221 | } | |
2222 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2223 | return ra; | |
2224 | else | |
276dd677 | 2225 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", SCM_LIST1 (lst)); |
0f2d19dd | 2226 | } |
1bbd0b84 | 2227 | #undef FUNC_NAME |
0f2d19dd | 2228 | |
0f2d19dd | 2229 | static int |
c014a02e | 2230 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2231 | { |
c014a02e ML |
2232 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2233 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2234 | int ok = 1; |
2235 | if (n <= 0) | |
4260a7fc | 2236 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2237 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2238 | { | |
2239 | while (n--) | |
2240 | { | |
2241 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2242 | return 0; | |
2243 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2244 | base += inc; | |
2245 | lst = SCM_CDR (lst); | |
2246 | } | |
2247 | if (SCM_NNULLP (lst)) | |
2248 | return 0; | |
2249 | } | |
2250 | else | |
2251 | { | |
2252 | while (n--) | |
2253 | { | |
2254 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2255 | return 0; | |
baa702c8 | 2256 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); |
0f2d19dd JB |
2257 | base += inc; |
2258 | lst = SCM_CDR (lst); | |
2259 | } | |
2260 | if (SCM_NNULLP (lst)) | |
fee7ef83 | 2261 | return 0; |
0f2d19dd JB |
2262 | } |
2263 | return ok; | |
2264 | } | |
2265 | ||
1cc91f1b | 2266 | |
0f2d19dd | 2267 | static void |
c014a02e | 2268 | rapr1 (SCM ra,unsigned long j,unsigned long k,SCM port,scm_print_state *pstate) |
0f2d19dd | 2269 | { |
c014a02e ML |
2270 | long inc = 1; |
2271 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 MD |
2272 | ? 0 |
2273 | : SCM_INUM (scm_uniform_vector_length (ra))); | |
0f2d19dd JB |
2274 | int enclosed = 0; |
2275 | tail: | |
5c11cc9d | 2276 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2277 | { |
2278 | case scm_tc7_smob: | |
2279 | if (enclosed++) | |
2280 | { | |
2281 | SCM_ARRAY_BASE (ra) = j; | |
2282 | if (n-- > 0) | |
9882ea19 | 2283 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2284 | for (j += inc; n-- > 0; j += inc) |
2285 | { | |
b7f3516f | 2286 | scm_putc (' ', port); |
0f2d19dd | 2287 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2288 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2289 | } |
2290 | break; | |
2291 | } | |
2292 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2293 | { | |
c014a02e | 2294 | long i; |
0f2d19dd JB |
2295 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2296 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2297 | { | |
b7f3516f | 2298 | scm_putc ('(', port); |
9882ea19 | 2299 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2300 | scm_puts (") ", port); |
0f2d19dd JB |
2301 | j += inc; |
2302 | } | |
2303 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2304 | { /* could be zero size. */ | |
b7f3516f | 2305 | scm_putc ('(', port); |
9882ea19 | 2306 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2307 | scm_putc (')', port); |
0f2d19dd JB |
2308 | } |
2309 | break; | |
2310 | } | |
1be6b49c | 2311 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2312 | { /* Could be zero-dimensional */ |
2313 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2314 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2315 | } | |
2316 | else | |
2317 | n = 1; | |
2318 | ra = SCM_ARRAY_V (ra); | |
2319 | goto tail; | |
2320 | default: | |
5c11cc9d | 2321 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2322 | if (n-- > 0) |
9882ea19 | 2323 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2324 | for (j += inc; n-- > 0; j += inc) |
2325 | { | |
b7f3516f | 2326 | scm_putc (' ', port); |
9882ea19 | 2327 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2328 | } |
2329 | break; | |
2330 | case scm_tc7_string: | |
2331 | if (n-- > 0) | |
322ac0c5 | 2332 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2333 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2334 | for (j += inc; n-- > 0; j += inc) |
2335 | { | |
b7f3516f | 2336 | scm_putc (' ', port); |
322ac0c5 | 2337 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2338 | } |
2339 | else | |
2340 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2341 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2342 | break; |
2343 | case scm_tc7_byvect: | |
2344 | if (n-- > 0) | |
4260a7fc | 2345 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2346 | for (j += inc; n-- > 0; j += inc) |
2347 | { | |
b7f3516f | 2348 | scm_putc (' ', port); |
4260a7fc | 2349 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2350 | } |
2351 | break; | |
2352 | ||
2353 | case scm_tc7_uvect: | |
5c11cc9d GH |
2354 | { |
2355 | char str[11]; | |
2356 | ||
2357 | if (n-- > 0) | |
2358 | { | |
2359 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2360 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2361 | scm_puts (str, port); |
2362 | } | |
2363 | for (j += inc; n-- > 0; j += inc) | |
2364 | { | |
2365 | scm_putc (' ', port); | |
fee7ef83 | 2366 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2367 | scm_puts (str, port); |
2368 | } | |
2369 | } | |
0f2d19dd JB |
2370 | case scm_tc7_ivect: |
2371 | if (n-- > 0) | |
fee7ef83 | 2372 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2373 | for (j += inc; n-- > 0; j += inc) |
2374 | { | |
b7f3516f | 2375 | scm_putc (' ', port); |
fee7ef83 | 2376 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2377 | } |
2378 | break; | |
2379 | ||
2380 | case scm_tc7_svect: | |
2381 | if (n-- > 0) | |
4260a7fc | 2382 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2383 | for (j += inc; n-- > 0; j += inc) |
2384 | { | |
b7f3516f | 2385 | scm_putc (' ', port); |
4260a7fc | 2386 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2387 | } |
2388 | break; | |
2389 | ||
0f2d19dd JB |
2390 | case scm_tc7_fvect: |
2391 | if (n-- > 0) | |
2392 | { | |
bc86da5d MD |
2393 | SCM z = scm_make_real (1.0); |
2394 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2395 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2396 | for (j += inc; n-- > 0; j += inc) |
2397 | { | |
b7f3516f | 2398 | scm_putc (' ', port); |
bc86da5d MD |
2399 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2400 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2401 | } |
2402 | } | |
2403 | break; | |
0f2d19dd JB |
2404 | case scm_tc7_dvect: |
2405 | if (n-- > 0) | |
2406 | { | |
bc86da5d MD |
2407 | SCM z = scm_make_real (1.0 / 3.0); |
2408 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2409 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2410 | for (j += inc; n-- > 0; j += inc) |
2411 | { | |
b7f3516f | 2412 | scm_putc (' ', port); |
bc86da5d MD |
2413 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2414 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2415 | } |
2416 | } | |
2417 | break; | |
2418 | case scm_tc7_cvect: | |
2419 | if (n-- > 0) | |
2420 | { | |
bc86da5d MD |
2421 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2422 | SCM_REAL_VALUE (z) = | |
2423 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2424 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2425 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2426 | port, pstate); | |
0f2d19dd JB |
2427 | for (j += inc; n-- > 0; j += inc) |
2428 | { | |
b7f3516f | 2429 | scm_putc (' ', port); |
bc86da5d MD |
2430 | SCM_REAL_VALUE (z) |
2431 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2432 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2433 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2434 | port, pstate); | |
0f2d19dd JB |
2435 | } |
2436 | } | |
2437 | break; | |
0f2d19dd JB |
2438 | } |
2439 | } | |
2440 | ||
2441 | ||
1cc91f1b | 2442 | |
0f2d19dd | 2443 | int |
1bbd0b84 | 2444 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2445 | { |
2446 | SCM v = exp; | |
c014a02e | 2447 | unsigned long base = 0; |
b7f3516f | 2448 | scm_putc ('#', port); |
0f2d19dd | 2449 | tail: |
5c11cc9d | 2450 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2451 | { |
2452 | case scm_tc7_smob: | |
2453 | { | |
2454 | long ndim = SCM_ARRAY_NDIM (v); | |
2455 | base = SCM_ARRAY_BASE (v); | |
2456 | v = SCM_ARRAY_V (v); | |
2457 | if (SCM_ARRAYP (v)) | |
2458 | ||
2459 | { | |
b7f3516f | 2460 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2461 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2462 | scm_putc ('>', port); |
0f2d19dd JB |
2463 | return 1; |
2464 | } | |
2465 | else | |
2466 | { | |
2467 | scm_intprint (ndim, 10, port); | |
2468 | goto tail; | |
2469 | } | |
2470 | } | |
2471 | case scm_tc7_bvect: | |
fee7ef83 | 2472 | if (SCM_EQ_P (exp, v)) |
0f2d19dd | 2473 | { /* a uve, not an scm_array */ |
c014a02e | 2474 | register long i, j, w; |
b7f3516f | 2475 | scm_putc ('*', port); |
c014a02e | 2476 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2477 | { |
c014a02e ML |
2478 | scm_bits_t w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
2479 | for (j = SCM_LONG_BIT; j; j--) | |
0f2d19dd | 2480 | { |
b7f3516f | 2481 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2482 | w >>= 1; |
2483 | } | |
2484 | } | |
c014a02e | 2485 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2486 | if (j) |
2487 | { | |
c014a02e | 2488 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2489 | for (; j; j--) |
2490 | { | |
b7f3516f | 2491 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2492 | w >>= 1; |
2493 | } | |
2494 | } | |
2495 | return 1; | |
2496 | } | |
2497 | else | |
b7f3516f | 2498 | scm_putc ('b', port); |
0f2d19dd JB |
2499 | break; |
2500 | case scm_tc7_string: | |
b7f3516f | 2501 | scm_putc ('a', port); |
0f2d19dd JB |
2502 | break; |
2503 | case scm_tc7_byvect: | |
05c33d09 | 2504 | scm_putc ('y', port); |
0f2d19dd JB |
2505 | break; |
2506 | case scm_tc7_uvect: | |
b7f3516f | 2507 | scm_putc ('u', port); |
0f2d19dd JB |
2508 | break; |
2509 | case scm_tc7_ivect: | |
b7f3516f | 2510 | scm_putc ('e', port); |
0f2d19dd JB |
2511 | break; |
2512 | case scm_tc7_svect: | |
05c33d09 | 2513 | scm_putc ('h', port); |
0f2d19dd | 2514 | break; |
5c11cc9d | 2515 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2516 | case scm_tc7_llvect: |
5c11cc9d | 2517 | scm_putc ('l', port); |
0f2d19dd JB |
2518 | break; |
2519 | #endif | |
0f2d19dd | 2520 | case scm_tc7_fvect: |
b7f3516f | 2521 | scm_putc ('s', port); |
0f2d19dd | 2522 | break; |
0f2d19dd | 2523 | case scm_tc7_dvect: |
b7f3516f | 2524 | scm_putc ('i', port); |
0f2d19dd JB |
2525 | break; |
2526 | case scm_tc7_cvect: | |
b7f3516f | 2527 | scm_putc ('c', port); |
0f2d19dd | 2528 | break; |
0f2d19dd | 2529 | } |
b7f3516f | 2530 | scm_putc ('(', port); |
9882ea19 | 2531 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2532 | scm_putc (')', port); |
0f2d19dd JB |
2533 | return 1; |
2534 | } | |
2535 | ||
3b3b36dd | 2536 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2537 | (SCM ra), |
1e6808ea MG |
2538 | "Return an object that would produce an array of the same type\n" |
2539 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2540 | "@code{make-uniform-array}.") |
1bbd0b84 | 2541 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2542 | { |
2543 | int enclosed = 0; | |
2544 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2545 | loop: | |
74014c46 | 2546 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2547 | { |
2548 | default: | |
276dd677 | 2549 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2550 | case scm_tc7_smob: |
2551 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2552 | if (enclosed++) | |
2553 | return SCM_UNSPECIFIED; | |
2554 | ra = SCM_ARRAY_V (ra); | |
2555 | goto loop; | |
2556 | case scm_tc7_vector: | |
95f5b0f5 | 2557 | case scm_tc7_wvect: |
0f2d19dd JB |
2558 | return SCM_EOL; |
2559 | case scm_tc7_bvect: | |
2560 | return SCM_BOOL_T; | |
2561 | case scm_tc7_string: | |
7866a09b | 2562 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2563 | case scm_tc7_byvect: |
7866a09b | 2564 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2565 | case scm_tc7_uvect: |
2566 | return SCM_MAKINUM (1L); | |
2567 | case scm_tc7_ivect: | |
2568 | return SCM_MAKINUM (-1L); | |
2569 | case scm_tc7_svect: | |
38ae064c | 2570 | return scm_str2symbol ("s"); |
5c11cc9d | 2571 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2572 | case scm_tc7_llvect: |
38ae064c | 2573 | return scm_str2symbol ("l"); |
0f2d19dd | 2574 | #endif |
0f2d19dd | 2575 | case scm_tc7_fvect: |
bc86da5d | 2576 | return scm_make_real (1.0); |
0f2d19dd | 2577 | case scm_tc7_dvect: |
bc86da5d | 2578 | return scm_make_real (1.0 / 3.0); |
0f2d19dd | 2579 | case scm_tc7_cvect: |
bc86da5d | 2580 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2581 | } |
2582 | } | |
1bbd0b84 | 2583 | #undef FUNC_NAME |
0f2d19dd | 2584 | |
1cc91f1b | 2585 | |
0f2d19dd | 2586 | static SCM |
e841c3e0 | 2587 | array_mark (SCM ptr) |
0f2d19dd | 2588 | { |
0f2d19dd JB |
2589 | return SCM_ARRAY_V (ptr); |
2590 | } | |
2591 | ||
1cc91f1b | 2592 | |
1be6b49c | 2593 | static size_t |
e841c3e0 | 2594 | array_free (SCM ptr) |
0f2d19dd | 2595 | { |
405aaef9 | 2596 | scm_must_free (SCM_ARRAY_MEM (ptr)); |
880a7d13 MG |
2597 | return sizeof (scm_array_t) + |
2598 | SCM_ARRAY_NDIM (ptr) * sizeof (scm_array_dim_t); | |
0f2d19dd JB |
2599 | } |
2600 | ||
0f2d19dd JB |
2601 | void |
2602 | scm_init_unif () | |
0f2d19dd | 2603 | { |
e841c3e0 KN |
2604 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2605 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2606 | scm_set_smob_free (scm_tc16_array, array_free); | |
2607 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2608 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
0f2d19dd | 2609 | scm_add_feature ("array"); |
8dc9439f | 2610 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 2611 | #include "libguile/unif.x" |
8dc9439f | 2612 | #endif |
0f2d19dd | 2613 | } |
89e00824 ML |
2614 | |
2615 | /* | |
2616 | Local Variables: | |
2617 | c-file-style: "gnu" | |
2618 | End: | |
2619 | */ |