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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 | 41 | |
1bbd0b84 | 42 | |
c209c88e GB |
43 | /* |
44 | This file has code for arrays in lots of variants (double, integer, | |
45 | unsigned etc. ). It suffers from hugely repetitive code because | |
46 | there is similar (but different) code for every variant included. (urg.) | |
47 | ||
48 | --hwn | |
49 | */ | |
0f2d19dd JB |
50 | \f |
51 | ||
52 | #include <stdio.h> | |
e6e2e95a | 53 | #include <errno.h> |
783e7774 | 54 | #include <string.h> |
e6e2e95a | 55 | |
a0599745 MD |
56 | #include "libguile/_scm.h" |
57 | #include "libguile/chars.h" | |
58 | #include "libguile/eval.h" | |
59 | #include "libguile/fports.h" | |
60 | #include "libguile/smob.h" | |
61 | #include "libguile/strop.h" | |
62 | #include "libguile/feature.h" | |
63 | #include "libguile/root.h" | |
64 | #include "libguile/strings.h" | |
65 | #include "libguile/vectors.h" | |
66 | ||
67 | #include "libguile/validate.h" | |
68 | #include "libguile/unif.h" | |
69 | #include "libguile/ramap.h" | |
0f2d19dd | 70 | |
3d8d56df GH |
71 | #ifdef HAVE_UNISTD_H |
72 | #include <unistd.h> | |
73 | #endif | |
74 | ||
7beabedb MG |
75 | #ifdef HAVE_IO_H |
76 | #include <io.h> | |
77 | #endif | |
78 | ||
0f2d19dd JB |
79 | \f |
80 | /* The set of uniform scm_vector types is: | |
81 | * Vector of: Called: | |
82 | * unsigned char string | |
83 | * char byvect | |
84 | * boolean bvect | |
a515d287 MD |
85 | * signed long ivect |
86 | * unsigned long uvect | |
0f2d19dd JB |
87 | * float fvect |
88 | * double dvect | |
89 | * complex double cvect | |
90 | * short svect | |
5c11cc9d | 91 | * long long llvect |
0f2d19dd JB |
92 | */ |
93 | ||
92c2555f | 94 | scm_t_bits scm_tc16_array; |
0f2d19dd | 95 | |
afe5177e GH |
96 | /* return the size of an element in a uniform array or 0 if type not |
97 | found. */ | |
1be6b49c | 98 | size_t |
afe5177e | 99 | scm_uniform_element_size (SCM obj) |
0f2d19dd | 100 | { |
1be6b49c | 101 | size_t result; |
0f2d19dd | 102 | |
afe5177e | 103 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 104 | { |
0f2d19dd | 105 | case scm_tc7_bvect: |
0f2d19dd JB |
106 | case scm_tc7_uvect: |
107 | case scm_tc7_ivect: | |
afe5177e | 108 | result = sizeof (long); |
0f2d19dd | 109 | break; |
afe5177e | 110 | |
0f2d19dd | 111 | case scm_tc7_byvect: |
afe5177e | 112 | result = sizeof (char); |
0f2d19dd JB |
113 | break; |
114 | ||
115 | case scm_tc7_svect: | |
afe5177e | 116 | result = sizeof (short); |
0f2d19dd | 117 | break; |
afe5177e | 118 | |
5c11cc9d | 119 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 120 | case scm_tc7_llvect: |
1be6b49c | 121 | result = sizeof (long long); |
0f2d19dd JB |
122 | break; |
123 | #endif | |
124 | ||
0f2d19dd | 125 | case scm_tc7_fvect: |
afe5177e | 126 | result = sizeof (float); |
0f2d19dd | 127 | break; |
afe5177e | 128 | |
0f2d19dd | 129 | case scm_tc7_dvect: |
afe5177e | 130 | result = sizeof (double); |
0f2d19dd | 131 | break; |
afe5177e | 132 | |
0f2d19dd | 133 | case scm_tc7_cvect: |
afe5177e | 134 | result = 2 * sizeof (double); |
0f2d19dd | 135 | break; |
afe5177e GH |
136 | |
137 | default: | |
138 | result = 0; | |
0f2d19dd | 139 | } |
afe5177e | 140 | return result; |
0f2d19dd JB |
141 | } |
142 | ||
bc86da5d MD |
143 | /* Silly function used not to modify the semantics of the silly |
144 | * prototype system in order to be backward compatible. | |
145 | */ | |
146 | static int | |
147 | singp (SCM obj) | |
0f2d19dd | 148 | { |
a08b0d00 | 149 | if (!SCM_REALP (obj)) |
bc86da5d MD |
150 | return 0; |
151 | else | |
152 | { | |
153 | double x = SCM_REAL_VALUE (obj); | |
154 | float fx = x; | |
155 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
156 | } | |
0f2d19dd | 157 | } |
1cc91f1b | 158 | |
0f2d19dd | 159 | SCM |
c014a02e | 160 | scm_make_uve (long k, SCM prot) |
a3a32939 | 161 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd JB |
162 | { |
163 | SCM v; | |
c014a02e | 164 | long i, type; |
a3a32939 | 165 | |
9a09deb1 | 166 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd | 167 | { |
93778877 DH |
168 | if (k > 0) |
169 | { | |
16d4699b MV |
170 | SCM_ASSERT_RANGE (1, |
171 | scm_long2num (k), k <= SCM_BITVECTOR_MAX_LENGTH); | |
c014a02e | 172 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); |
228a24ef DH |
173 | v = scm_cell (SCM_MAKE_BITVECTOR_TAG (k), |
174 | (scm_t_bits) scm_gc_malloc (i, "vector")); | |
93778877 DH |
175 | } |
176 | else | |
228a24ef | 177 | v = scm_cell (SCM_MAKE_BITVECTOR_TAG (0), 0); |
93778877 | 178 | return v; |
0f2d19dd | 179 | } |
4260a7fc | 180 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
0f2d19dd | 181 | { |
c014a02e | 182 | i = sizeof (char) * k; |
0f2d19dd | 183 | type = scm_tc7_byvect; |
5b9eb8ae | 184 | } |
7866a09b | 185 | else if (SCM_CHARP (prot)) |
0f2d19dd | 186 | { |
c014a02e | 187 | i = sizeof (char) * k; |
be54b15d | 188 | return scm_allocate_string (i); |
0f2d19dd JB |
189 | } |
190 | else if (SCM_INUMP (prot)) | |
191 | { | |
c014a02e | 192 | i = sizeof (long) * k; |
0f2d19dd JB |
193 | if (SCM_INUM (prot) > 0) |
194 | type = scm_tc7_uvect; | |
195 | else | |
196 | type = scm_tc7_ivect; | |
197 | } | |
74014c46 | 198 | else if (SCM_SYMBOLP (prot) && (1 == SCM_SYMBOL_LENGTH (prot))) |
0f2d19dd JB |
199 | { |
200 | char s; | |
201 | ||
86c991c2 | 202 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd JB |
203 | if (s == 's') |
204 | { | |
c014a02e | 205 | i = sizeof (short) * k; |
0f2d19dd JB |
206 | type = scm_tc7_svect; |
207 | } | |
5c11cc9d | 208 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
209 | else if (s == 'l') |
210 | { | |
c014a02e | 211 | i = sizeof (long long) * k; |
0f2d19dd JB |
212 | type = scm_tc7_llvect; |
213 | } | |
214 | #endif | |
215 | else | |
216 | { | |
00ffa0e7 | 217 | return scm_c_make_vector (k, SCM_UNDEFINED); |
0f2d19dd JB |
218 | } |
219 | } | |
5b9eb8ae | 220 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 221 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d | 222 | /* no special scm_vector */ |
00ffa0e7 | 223 | return scm_c_make_vector (k, SCM_UNDEFINED); |
bc86da5d | 224 | else if (singp (prot)) |
0f2d19dd | 225 | { |
c014a02e | 226 | i = sizeof (float) * k; |
0f2d19dd JB |
227 | type = scm_tc7_fvect; |
228 | } | |
eb42e2f0 | 229 | else if (SCM_COMPLEXP (prot)) |
0f2d19dd | 230 | { |
c014a02e | 231 | i = 2 * sizeof (double) * k; |
0f2d19dd JB |
232 | type = scm_tc7_cvect; |
233 | } | |
234 | else | |
235 | { | |
c014a02e | 236 | i = sizeof (double) * k; |
0f2d19dd JB |
237 | type = scm_tc7_dvect; |
238 | } | |
0f2d19dd | 239 | |
c014a02e | 240 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_UVECTOR_MAX_LENGTH); |
5b9eb8ae | 241 | |
228a24ef DH |
242 | return scm_cell (SCM_MAKE_UVECTOR_TAG (k, type), |
243 | (scm_t_bits) scm_gc_malloc (i, "vector")); | |
0f2d19dd | 244 | } |
a3a32939 DH |
245 | #undef FUNC_NAME |
246 | ||
0f2d19dd | 247 | |
3b3b36dd | 248 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1e6808ea MG |
249 | (SCM v), |
250 | "Return the number of elements in @var{uve}.") | |
1bbd0b84 | 251 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
252 | { |
253 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 254 | switch SCM_TYP7 (v) |
0f2d19dd JB |
255 | { |
256 | default: | |
276dd677 | 257 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
74014c46 DH |
258 | case scm_tc7_vector: |
259 | case scm_tc7_wvect: | |
260 | return SCM_MAKINUM (SCM_VECTOR_LENGTH (v)); | |
0f2d19dd | 261 | case scm_tc7_string: |
74014c46 DH |
262 | return SCM_MAKINUM (SCM_STRING_LENGTH (v)); |
263 | case scm_tc7_bvect: | |
264 | return SCM_MAKINUM (SCM_BITVECTOR_LENGTH (v)); | |
0f2d19dd JB |
265 | case scm_tc7_byvect: |
266 | case scm_tc7_uvect: | |
267 | case scm_tc7_ivect: | |
268 | case scm_tc7_fvect: | |
269 | case scm_tc7_dvect: | |
270 | case scm_tc7_cvect: | |
0f2d19dd | 271 | case scm_tc7_svect: |
5c11cc9d | 272 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
273 | case scm_tc7_llvect: |
274 | #endif | |
74014c46 | 275 | return SCM_MAKINUM (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
276 | } |
277 | } | |
1bbd0b84 | 278 | #undef FUNC_NAME |
0f2d19dd | 279 | |
3b3b36dd | 280 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 281 | (SCM v, SCM prot), |
1e6808ea MG |
282 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
283 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
284 | "and is described elsewhere.") | |
1bbd0b84 | 285 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
286 | { |
287 | int nprot; | |
288 | int enclosed; | |
289 | nprot = SCM_UNBNDP (prot); | |
290 | enclosed = 0; | |
291 | if (SCM_IMP (v)) | |
292 | return SCM_BOOL_F; | |
c209c88e GB |
293 | |
294 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 295 | { |
0f2d19dd JB |
296 | if (!SCM_ARRAYP (v)) |
297 | return SCM_BOOL_F; | |
298 | if (nprot) | |
299 | return SCM_BOOL_T; | |
300 | if (enclosed++) | |
301 | return SCM_BOOL_F; | |
302 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
303 | } |
304 | if (nprot) | |
305 | return SCM_BOOL(nprot); | |
306 | else | |
307 | { | |
308 | int protp = 0; | |
309 | ||
310 | switch (SCM_TYP7 (v)) | |
311 | { | |
312 | case scm_tc7_bvect: | |
9a09deb1 | 313 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
c209c88e | 314 | case scm_tc7_string: |
4260a7fc | 315 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
c209c88e | 316 | case scm_tc7_byvect: |
4260a7fc | 317 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
c209c88e GB |
318 | case scm_tc7_uvect: |
319 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
320 | case scm_tc7_ivect: | |
321 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
322 | ||
323 | case scm_tc7_svect: | |
324 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 325 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 326 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
5c11cc9d | 327 | #ifdef HAVE_LONG_LONGS |
c209c88e GB |
328 | case scm_tc7_llvect: |
329 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 330 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 331 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
0f2d19dd | 332 | #endif |
c209c88e | 333 | case scm_tc7_fvect: |
bc86da5d | 334 | protp = singp (prot); |
c209c88e GB |
335 | case scm_tc7_dvect: |
336 | protp = SCM_REALP(prot); | |
337 | case scm_tc7_cvect: | |
eb42e2f0 | 338 | protp = SCM_COMPLEXP(prot); |
c209c88e GB |
339 | case scm_tc7_vector: |
340 | case scm_tc7_wvect: | |
341 | protp = SCM_NULLP(prot); | |
342 | default: | |
343 | /* no default */ | |
344 | ; | |
345 | } | |
346 | return SCM_BOOL(protp); | |
0f2d19dd | 347 | } |
0f2d19dd | 348 | } |
1bbd0b84 | 349 | #undef FUNC_NAME |
0f2d19dd JB |
350 | |
351 | ||
3b3b36dd | 352 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 353 | (SCM ra), |
1e6808ea MG |
354 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
355 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 356 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
357 | { |
358 | if (SCM_IMP (ra)) | |
1bbd0b84 | 359 | return SCM_INUM0; |
0f2d19dd JB |
360 | switch (SCM_TYP7 (ra)) |
361 | { | |
362 | default: | |
363 | return SCM_INUM0; | |
364 | case scm_tc7_string: | |
365 | case scm_tc7_vector: | |
95f5b0f5 | 366 | case scm_tc7_wvect: |
0f2d19dd JB |
367 | case scm_tc7_byvect: |
368 | case scm_tc7_uvect: | |
369 | case scm_tc7_ivect: | |
370 | case scm_tc7_fvect: | |
371 | case scm_tc7_cvect: | |
372 | case scm_tc7_dvect: | |
5c11cc9d | 373 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
374 | case scm_tc7_llvect: |
375 | #endif | |
376 | case scm_tc7_svect: | |
377 | return SCM_MAKINUM (1L); | |
378 | case scm_tc7_smob: | |
379 | if (SCM_ARRAYP (ra)) | |
380 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
381 | return SCM_INUM0; | |
382 | } | |
383 | } | |
1bbd0b84 | 384 | #undef FUNC_NAME |
0f2d19dd JB |
385 | |
386 | ||
3b3b36dd | 387 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 388 | (SCM ra), |
b380b885 MD |
389 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
390 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 391 | "@lisp\n" |
b380b885 | 392 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 393 | "@end lisp") |
1bbd0b84 | 394 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
395 | { |
396 | SCM res = SCM_EOL; | |
1be6b49c | 397 | size_t k; |
92c2555f | 398 | scm_t_array_dim *s; |
0f2d19dd | 399 | if (SCM_IMP (ra)) |
1bbd0b84 | 400 | return SCM_BOOL_F; |
0f2d19dd JB |
401 | switch (SCM_TYP7 (ra)) |
402 | { | |
403 | default: | |
404 | return SCM_BOOL_F; | |
405 | case scm_tc7_string: | |
406 | case scm_tc7_vector: | |
95f5b0f5 | 407 | case scm_tc7_wvect: |
0f2d19dd JB |
408 | case scm_tc7_bvect: |
409 | case scm_tc7_byvect: | |
410 | case scm_tc7_uvect: | |
411 | case scm_tc7_ivect: | |
412 | case scm_tc7_fvect: | |
413 | case scm_tc7_cvect: | |
414 | case scm_tc7_dvect: | |
415 | case scm_tc7_svect: | |
5c11cc9d | 416 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
417 | case scm_tc7_llvect: |
418 | #endif | |
74014c46 | 419 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
420 | case scm_tc7_smob: |
421 | if (!SCM_ARRAYP (ra)) | |
422 | return SCM_BOOL_F; | |
423 | k = SCM_ARRAY_NDIM (ra); | |
424 | s = SCM_ARRAY_DIMS (ra); | |
425 | while (k--) | |
e2d37336 MD |
426 | res = scm_cons (s[k].lbnd |
427 | ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), | |
428 | SCM_MAKINUM (s[k].ubnd), | |
429 | SCM_EOL) | |
430 | : SCM_MAKINUM (1 + s[k].ubnd), | |
431 | res); | |
0f2d19dd JB |
432 | return res; |
433 | } | |
434 | } | |
1bbd0b84 | 435 | #undef FUNC_NAME |
0f2d19dd JB |
436 | |
437 | ||
e2d37336 MD |
438 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
439 | (SCM ra), | |
440 | "Return the root vector of a shared array.") | |
441 | #define FUNC_NAME s_scm_shared_array_root | |
442 | { | |
443 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
444 | return SCM_ARRAY_V (ra); | |
445 | } | |
446 | #undef FUNC_NAME | |
447 | ||
448 | ||
449 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
450 | (SCM ra), | |
451 | "Return the root vector index of the first element in the array.") | |
452 | #define FUNC_NAME s_scm_shared_array_offset | |
453 | { | |
454 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
455 | return SCM_MAKINUM (SCM_ARRAY_BASE (ra)); | |
456 | } | |
457 | #undef FUNC_NAME | |
458 | ||
459 | ||
460 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
461 | (SCM ra), | |
462 | "For each dimension, return the distance between elements in the root vector.") | |
463 | #define FUNC_NAME s_scm_shared_array_increments | |
464 | { | |
465 | SCM res = SCM_EOL; | |
1be6b49c | 466 | size_t k; |
92c2555f | 467 | scm_t_array_dim *s; |
e2d37336 MD |
468 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
469 | k = SCM_ARRAY_NDIM (ra); | |
470 | s = SCM_ARRAY_DIMS (ra); | |
471 | while (k--) | |
472 | res = scm_cons (SCM_MAKINUM (s[k].inc), res); | |
473 | return res; | |
474 | } | |
475 | #undef FUNC_NAME | |
476 | ||
477 | ||
0f2d19dd JB |
478 | static char s_bad_ind[] = "Bad scm_array index"; |
479 | ||
1cc91f1b | 480 | |
c014a02e | 481 | long |
1bbd0b84 | 482 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 483 | #define FUNC_NAME what |
0f2d19dd JB |
484 | { |
485 | SCM ind; | |
c014a02e ML |
486 | register long j; |
487 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
488 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
92c2555f | 489 | scm_t_array_dim *s = SCM_ARRAY_DIMS (ra); |
0f2d19dd | 490 | if (SCM_INUMP (args)) |
0f2d19dd | 491 | { |
b3fcac34 DH |
492 | if (k != 1) |
493 | scm_error_num_args_subr (what); | |
0f2d19dd JB |
494 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
495 | } | |
1be6b49c | 496 | while (k && !SCM_NULLP (args)) |
0f2d19dd JB |
497 | { |
498 | ind = SCM_CAR (args); | |
499 | args = SCM_CDR (args); | |
b3fcac34 DH |
500 | if (!SCM_INUMP (ind)) |
501 | scm_misc_error (what, s_bad_ind, SCM_EOL); | |
0f2d19dd | 502 | j = SCM_INUM (ind); |
685c0d71 DH |
503 | if (j < s->lbnd || j > s->ubnd) |
504 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
505 | pos += (j - s->lbnd) * (s->inc); |
506 | k--; | |
507 | s++; | |
508 | } | |
b3fcac34 DH |
509 | if (k != 0 || !SCM_NULLP (args)) |
510 | scm_error_num_args_subr (what); | |
511 | ||
0f2d19dd JB |
512 | return pos; |
513 | } | |
b3fcac34 | 514 | #undef FUNC_NAME |
0f2d19dd | 515 | |
1cc91f1b | 516 | |
0f2d19dd | 517 | SCM |
1bbd0b84 | 518 | scm_make_ra (int ndim) |
0f2d19dd JB |
519 | { |
520 | SCM ra; | |
0f2d19dd | 521 | SCM_DEFER_INTS; |
92c2555f | 522 | SCM_NEWSMOB(ra, ((scm_t_bits) ndim << 17) + scm_tc16_array, |
4c9419ac MV |
523 | scm_gc_malloc ((sizeof (scm_t_array) + |
524 | ndim * sizeof (scm_t_array_dim)), | |
525 | "array")); | |
0f2d19dd JB |
526 | SCM_ARRAY_V (ra) = scm_nullvect; |
527 | SCM_ALLOW_INTS; | |
528 | return ra; | |
529 | } | |
530 | ||
531 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
532 | /* Increments will still need to be set. */ | |
533 | ||
1cc91f1b | 534 | |
0f2d19dd | 535 | SCM |
1bbd0b84 | 536 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 537 | { |
92c2555f | 538 | scm_t_array_dim *s; |
0f2d19dd JB |
539 | SCM ra, spec, sp; |
540 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
541 | if (ndim < 0) |
542 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
543 | ||
0f2d19dd JB |
544 | ra = scm_make_ra (ndim); |
545 | SCM_ARRAY_BASE (ra) = 0; | |
546 | s = SCM_ARRAY_DIMS (ra); | |
a3a32939 | 547 | for (; !SCM_NULLP (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
548 | { |
549 | spec = SCM_CAR (args); | |
a3a32939 | 550 | if (SCM_INUMP (spec)) |
0f2d19dd | 551 | { |
b3fcac34 DH |
552 | if (SCM_INUM (spec) < 0) |
553 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
554 | s->lbnd = 0; |
555 | s->ubnd = SCM_INUM (spec) - 1; | |
556 | s->inc = 1; | |
557 | } | |
558 | else | |
559 | { | |
b3fcac34 DH |
560 | if (!SCM_CONSP (spec) || !SCM_INUMP (SCM_CAR (spec))) |
561 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
562 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
563 | sp = SCM_CDR (spec); | |
b3fcac34 DH |
564 | if (!SCM_CONSP (sp) |
565 | || !SCM_INUMP (SCM_CAR (sp)) | |
566 | || !SCM_NULLP (SCM_CDR (sp))) | |
567 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
568 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
569 | s->inc = 1; | |
570 | } | |
571 | } | |
572 | return ra; | |
573 | } | |
574 | ||
3b3b36dd | 575 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 576 | (SCM dims, SCM prot, SCM fill), |
8f85c0c6 | 577 | "@deffnx {Scheme Procedure} make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
578 | "Create and return a uniform array or vector of type\n" |
579 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
580 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
581 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 582 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 583 | { |
1be6b49c | 584 | size_t k; |
c014a02e | 585 | unsigned long rlen = 1; |
92c2555f | 586 | scm_t_array_dim *s; |
0f2d19dd | 587 | SCM ra; |
1be6b49c | 588 | |
0f2d19dd | 589 | if (SCM_INUMP (dims)) |
cda139a7 | 590 | { |
5b9eb8ae | 591 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
a3a32939 DH |
592 | if (!SCM_UNBNDP (fill)) |
593 | scm_array_fill_x (answer, fill); | |
594 | else if (SCM_SYMBOLP (prot)) | |
595 | scm_array_fill_x (answer, SCM_MAKINUM (0)); | |
596 | else | |
597 | scm_array_fill_x (answer, prot); | |
598 | return answer; | |
cda139a7 | 599 | } |
1be6b49c | 600 | |
0c95b57d GB |
601 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
602 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 603 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 604 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
605 | s = SCM_ARRAY_DIMS (ra); |
606 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 607 | |
0f2d19dd JB |
608 | while (k--) |
609 | { | |
a3a32939 DH |
610 | s[k].inc = rlen; |
611 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 612 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 613 | } |
a3a32939 | 614 | |
a3a32939 DH |
615 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
616 | ||
5c11cc9d | 617 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 618 | scm_array_fill_x (ra, fill); |
0c95b57d | 619 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
620 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
621 | else | |
622 | scm_array_fill_x (ra, prot); | |
a3a32939 | 623 | |
0f2d19dd | 624 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 625 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
626 | return SCM_ARRAY_V (ra); |
627 | return ra; | |
628 | } | |
1bbd0b84 | 629 | #undef FUNC_NAME |
0f2d19dd | 630 | |
1cc91f1b | 631 | |
0f2d19dd | 632 | void |
1bbd0b84 | 633 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 634 | { |
1be6b49c | 635 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 636 | if (k) |
0f2d19dd | 637 | { |
c014a02e | 638 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 639 | while (k--) |
0f2d19dd | 640 | { |
fe0c6dae JB |
641 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
642 | { | |
e038c042 | 643 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
644 | return; |
645 | } | |
646 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
647 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 648 | } |
0f2d19dd | 649 | } |
e038c042 | 650 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
651 | } |
652 | ||
653 | ||
3b3b36dd | 654 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 655 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
656 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
657 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
658 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
659 | "linear, and its range must stay within the bounds of the old array, but\n" | |
660 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 661 | "@lisp\n" |
b380b885 MD |
662 | "(define fred (make-array #f 8 8))\n" |
663 | "(define freds-diagonal\n" | |
664 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
665 | "(array-set! freds-diagonal 'foo 3)\n" | |
666 | "(array-ref fred 3 3) @result{} foo\n" | |
667 | "(define freds-center\n" | |
668 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
669 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 670 | "@end lisp") |
1bbd0b84 | 671 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
672 | { |
673 | SCM ra; | |
674 | SCM inds, indptr; | |
675 | SCM imap; | |
c014a02e ML |
676 | size_t k, i; |
677 | long old_min, new_min, old_max, new_max; | |
92c2555f | 678 | scm_t_array_dim *s; |
b3fcac34 DH |
679 | |
680 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
34d19ef6 HWN |
681 | SCM_VALIDATE_ARRAY (1, oldra); |
682 | SCM_VALIDATE_PROC (2, mapfunc); | |
1bbd0b84 | 683 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
684 | if (SCM_ARRAYP (oldra)) |
685 | { | |
686 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
687 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
688 | s = SCM_ARRAY_DIMS (oldra); | |
689 | k = SCM_ARRAY_NDIM (oldra); | |
690 | while (k--) | |
691 | { | |
692 | if (s[k].inc > 0) | |
693 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
694 | else | |
695 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
696 | } | |
697 | } | |
698 | else | |
699 | { | |
700 | SCM_ARRAY_V (ra) = oldra; | |
701 | old_min = 0; | |
74014c46 | 702 | old_max = SCM_INUM (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
703 | } |
704 | inds = SCM_EOL; | |
705 | s = SCM_ARRAY_DIMS (ra); | |
706 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
707 | { | |
708 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
709 | if (s[k].ubnd < s[k].lbnd) | |
710 | { | |
711 | if (1 == SCM_ARRAY_NDIM (ra)) | |
712 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
713 | else | |
714 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
715 | return ra; | |
716 | } | |
717 | } | |
fdc28395 | 718 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd | 719 | if (SCM_ARRAYP (oldra)) |
c014a02e | 720 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
721 | else |
722 | { | |
723 | if (SCM_NINUMP (imap)) | |
724 | ||
725 | { | |
b3fcac34 DH |
726 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
727 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
728 | imap = SCM_CAR (imap); |
729 | } | |
730 | i = SCM_INUM (imap); | |
731 | } | |
732 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
733 | indptr = inds; | |
734 | k = SCM_ARRAY_NDIM (ra); | |
735 | while (k--) | |
736 | { | |
737 | if (s[k].ubnd > s[k].lbnd) | |
738 | { | |
898a256f | 739 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
fdc28395 | 740 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd JB |
741 | if (SCM_ARRAYP (oldra)) |
742 | ||
1bbd0b84 | 743 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
744 | else |
745 | { | |
746 | if (SCM_NINUMP (imap)) | |
0f2d19dd | 747 | { |
b3fcac34 DH |
748 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
749 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
750 | imap = SCM_CAR (imap); |
751 | } | |
752 | s[k].inc = (long) SCM_INUM (imap) - i; | |
753 | } | |
754 | i += s[k].inc; | |
755 | if (s[k].inc > 0) | |
756 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
757 | else | |
758 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
759 | } | |
760 | else | |
761 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
762 | indptr = SCM_CDR (indptr); | |
763 | } | |
b3fcac34 DH |
764 | if (old_min > new_min || old_max < new_max) |
765 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
766 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
767 | { | |
74014c46 | 768 | SCM v = SCM_ARRAY_V (ra); |
c014a02e | 769 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
770 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
771 | return v; | |
0f2d19dd JB |
772 | if (s->ubnd < s->lbnd) |
773 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
774 | } | |
775 | scm_ra_set_contp (ra); | |
776 | return ra; | |
777 | } | |
1bbd0b84 | 778 | #undef FUNC_NAME |
0f2d19dd JB |
779 | |
780 | ||
781 | /* args are RA . DIMS */ | |
af45e3b0 DH |
782 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
783 | (SCM ra, SCM args), | |
1e6808ea MG |
784 | "Return an array sharing contents with @var{array}, but with\n" |
785 | "dimensions arranged in a different order. There must be one\n" | |
786 | "@var{dim} argument for each dimension of @var{array}.\n" | |
787 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
788 | "and the rank of the array to be returned. Each integer in that\n" | |
789 | "range must appear at least once in the argument list.\n" | |
790 | "\n" | |
791 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
792 | "dimensions in the array to be returned, their positions in the\n" | |
793 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
794 | "may have the same value, in which case the returned array will\n" | |
795 | "have smaller rank than @var{array}.\n" | |
796 | "\n" | |
797 | "@lisp\n" | |
b380b885 MD |
798 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
799 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
800 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
801 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 802 | "@end lisp") |
1bbd0b84 | 803 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 804 | { |
34d19ef6 HWN |
805 | SCM res, vargs; |
806 | SCM const *ve = &vargs; | |
92c2555f | 807 | scm_t_array_dim *s, *r; |
0f2d19dd | 808 | int ndim, i, k; |
af45e3b0 | 809 | |
b3fcac34 | 810 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 811 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 812 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
813 | { |
814 | default: | |
276dd677 | 815 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
816 | case scm_tc7_bvect: |
817 | case scm_tc7_string: | |
818 | case scm_tc7_byvect: | |
819 | case scm_tc7_uvect: | |
820 | case scm_tc7_ivect: | |
821 | case scm_tc7_fvect: | |
822 | case scm_tc7_dvect: | |
823 | case scm_tc7_cvect: | |
824 | case scm_tc7_svect: | |
5c11cc9d | 825 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
826 | case scm_tc7_llvect: |
827 | #endif | |
b3fcac34 DH |
828 | if (SCM_NULLP (args) || !SCM_NULLP (SCM_CDR (args))) |
829 | SCM_WRONG_NUM_ARGS (); | |
830 | SCM_VALIDATE_INUM (SCM_ARG2, SCM_CAR (args)); | |
685c0d71 DH |
831 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), |
832 | SCM_EQ_P (SCM_INUM0, SCM_CAR (args))); | |
0f2d19dd JB |
833 | return ra; |
834 | case scm_tc7_smob: | |
835 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
836 | vargs = scm_vector (args); | |
b3fcac34 DH |
837 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
838 | SCM_WRONG_NUM_ARGS (); | |
839 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
840 | ndim = 0; |
841 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
842 | { | |
20a54673 | 843 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 844 | FUNC_NAME); |
0f2d19dd | 845 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
846 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
847 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
848 | if (ndim < i) |
849 | ndim = i; | |
850 | } | |
851 | ndim++; | |
852 | res = scm_make_ra (ndim); | |
853 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
854 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
855 | for (k = ndim; k--;) | |
856 | { | |
857 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
858 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
859 | } | |
860 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
861 | { | |
862 | i = SCM_INUM (ve[k]); | |
863 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
864 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
865 | if (r->ubnd < r->lbnd) | |
866 | { | |
867 | r->lbnd = s->lbnd; | |
868 | r->ubnd = s->ubnd; | |
869 | r->inc = s->inc; | |
870 | ndim--; | |
871 | } | |
872 | else | |
873 | { | |
874 | if (r->ubnd > s->ubnd) | |
875 | r->ubnd = s->ubnd; | |
876 | if (r->lbnd < s->lbnd) | |
877 | { | |
878 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
879 | r->lbnd = s->lbnd; | |
880 | } | |
881 | r->inc += s->inc; | |
882 | } | |
883 | } | |
b3fcac34 DH |
884 | if (ndim > 0) |
885 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
886 | scm_ra_set_contp (res); |
887 | return res; | |
888 | } | |
889 | } | |
1bbd0b84 | 890 | #undef FUNC_NAME |
0f2d19dd JB |
891 | |
892 | /* args are RA . AXES */ | |
af45e3b0 DH |
893 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
894 | (SCM ra, SCM axes), | |
b380b885 MD |
895 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
896 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
897 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
898 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
899 | "the dimensions of the outer array are the same as those of the original\n" | |
900 | "array that did not match a @var{dim}.\n\n" | |
901 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
902 | "be set using @code{array-set!}. Two references to the same element of\n" | |
903 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
904 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
905 | "enclosed array is unspecified.\n\n" | |
906 | "examples:\n" | |
1e6808ea | 907 | "@lisp\n" |
b380b885 MD |
908 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
909 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
910 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
911 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 912 | "@end lisp") |
1bbd0b84 | 913 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 914 | { |
af45e3b0 | 915 | SCM axv, res, ra_inr; |
92c2555f | 916 | scm_t_array_dim vdim, *s = &vdim; |
0f2d19dd | 917 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 918 | |
b3fcac34 | 919 | SCM_VALIDATE_REST_ARGUMENT (axes); |
0f2d19dd | 920 | if (SCM_NULLP (axes)) |
0f2d19dd JB |
921 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
922 | ninr = scm_ilength (axes); | |
b3fcac34 DH |
923 | if (ninr < 0) |
924 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
925 | ra_inr = scm_make_ra (ninr); |
926 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 927 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
928 | { |
929 | default: | |
276dd677 | 930 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
931 | case scm_tc7_string: |
932 | case scm_tc7_bvect: | |
933 | case scm_tc7_byvect: | |
934 | case scm_tc7_uvect: | |
935 | case scm_tc7_ivect: | |
936 | case scm_tc7_fvect: | |
937 | case scm_tc7_dvect: | |
938 | case scm_tc7_cvect: | |
939 | case scm_tc7_vector: | |
95f5b0f5 | 940 | case scm_tc7_wvect: |
0f2d19dd | 941 | case scm_tc7_svect: |
5c11cc9d | 942 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
943 | case scm_tc7_llvect: |
944 | #endif | |
945 | s->lbnd = 0; | |
74014c46 | 946 | s->ubnd = SCM_INUM (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
947 | s->inc = 1; |
948 | SCM_ARRAY_V (ra_inr) = ra; | |
949 | SCM_ARRAY_BASE (ra_inr) = 0; | |
950 | ndim = 1; | |
951 | break; | |
952 | case scm_tc7_smob: | |
953 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
954 | s = SCM_ARRAY_DIMS (ra); | |
955 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
956 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
957 | ndim = SCM_ARRAY_NDIM (ra); | |
958 | break; | |
959 | } | |
960 | noutr = ndim - ninr; | |
b3fcac34 DH |
961 | if (noutr < 0) |
962 | SCM_WRONG_NUM_ARGS (); | |
7866a09b | 963 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
964 | res = scm_make_ra (noutr); |
965 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
966 | SCM_ARRAY_V (res) = ra_inr; | |
967 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
968 | { | |
b3fcac34 DH |
969 | if (!SCM_INUMP (SCM_CAR (axes))) |
970 | SCM_MISC_ERROR ("bad axis", SCM_EOL); | |
0f2d19dd JB |
971 | j = SCM_INUM (SCM_CAR (axes)); |
972 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
973 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
974 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 975 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
976 | } |
977 | for (j = 0, k = 0; k < noutr; k++, j++) | |
978 | { | |
405aaef9 | 979 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
980 | j++; |
981 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
982 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
983 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
984 | } | |
985 | scm_ra_set_contp (ra_inr); | |
986 | scm_ra_set_contp (res); | |
987 | return res; | |
988 | } | |
1bbd0b84 | 989 | #undef FUNC_NAME |
0f2d19dd JB |
990 | |
991 | ||
992 | ||
af45e3b0 DH |
993 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
994 | (SCM v, SCM args), | |
1e6808ea MG |
995 | "Return @code{#t} if its arguments would be acceptable to\n" |
996 | "@code{array-ref}.") | |
1bbd0b84 | 997 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 998 | { |
af45e3b0 | 999 | SCM ind = SCM_EOL; |
c014a02e | 1000 | long pos = 0; |
1be6b49c | 1001 | register size_t k; |
c014a02e | 1002 | register long j; |
92c2555f | 1003 | scm_t_array_dim *s; |
af45e3b0 | 1004 | |
b3fcac34 | 1005 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
1006 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1007 | if (SCM_NIMP (args)) | |
1008 | ||
1009 | { | |
1010 | ind = SCM_CAR (args); | |
1011 | args = SCM_CDR (args); | |
1bbd0b84 | 1012 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1013 | pos = SCM_INUM (ind); |
1014 | } | |
1015 | tail: | |
74014c46 | 1016 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1017 | { |
1018 | default: | |
276dd677 | 1019 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 1020 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1021 | case scm_tc7_smob: |
1022 | k = SCM_ARRAY_NDIM (v); | |
1023 | s = SCM_ARRAY_DIMS (v); | |
1024 | pos = SCM_ARRAY_BASE (v); | |
1025 | if (!k) | |
1026 | { | |
1027 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1028 | ind = SCM_INUM0; | |
1029 | } | |
1030 | else | |
1031 | while (!0) | |
1032 | { | |
1033 | j = SCM_INUM (ind); | |
1034 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1035 | { | |
1036 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1037 | return SCM_BOOL_F; | |
1038 | } | |
1039 | pos += (j - s->lbnd) * (s->inc); | |
1040 | if (!(--k && SCM_NIMP (args))) | |
1041 | break; | |
1042 | ind = SCM_CAR (args); | |
1043 | args = SCM_CDR (args); | |
1044 | s++; | |
b3fcac34 DH |
1045 | if (!SCM_INUMP (ind)) |
1046 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
1047 | } |
1048 | SCM_ASRTGO (0 == k, wna); | |
1049 | v = SCM_ARRAY_V (v); | |
1050 | goto tail; | |
1051 | case scm_tc7_bvect: | |
1052 | case scm_tc7_string: | |
1053 | case scm_tc7_byvect: | |
1054 | case scm_tc7_uvect: | |
1055 | case scm_tc7_ivect: | |
1056 | case scm_tc7_fvect: | |
1057 | case scm_tc7_dvect: | |
1058 | case scm_tc7_cvect: | |
1059 | case scm_tc7_svect: | |
5c11cc9d | 1060 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1061 | case scm_tc7_llvect: |
1062 | #endif | |
1063 | case scm_tc7_vector: | |
95f5b0f5 | 1064 | case scm_tc7_wvect: |
74014c46 | 1065 | { |
c014a02e | 1066 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1067 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1068 | return SCM_BOOL(pos >= 0 && pos < length); | |
1069 | } | |
0f2d19dd JB |
1070 | } |
1071 | } | |
1bbd0b84 | 1072 | #undef FUNC_NAME |
0f2d19dd JB |
1073 | |
1074 | ||
1bbd0b84 | 1075 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1076 | |
1bbd0b84 | 1077 | |
3b3b36dd | 1078 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1079 | (SCM v, SCM args), |
8f85c0c6 | 1080 | "@deffnx {Scheme Procedure} array-ref v . args\n" |
1e6808ea MG |
1081 | "Return the element at the @code{(index1, index2)} element in\n" |
1082 | "@var{array}.") | |
1bbd0b84 | 1083 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd | 1084 | { |
c014a02e | 1085 | long pos; |
0f2d19dd | 1086 | |
35de7ebe | 1087 | if (SCM_IMP (v)) |
0f2d19dd JB |
1088 | { |
1089 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1090 | return v; | |
1091 | } | |
1092 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1093 | { |
1bbd0b84 | 1094 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1095 | v = SCM_ARRAY_V (v); |
1096 | } | |
1097 | else | |
1098 | { | |
c014a02e | 1099 | unsigned long int length; |
0f2d19dd | 1100 | if (SCM_NIMP (args)) |
0f2d19dd | 1101 | { |
1bbd0b84 | 1102 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1103 | pos = SCM_INUM (SCM_CAR (args)); |
1104 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1105 | } | |
1106 | else | |
1107 | { | |
34d19ef6 | 1108 | SCM_VALIDATE_INUM (2, args); |
0f2d19dd JB |
1109 | pos = SCM_INUM (args); |
1110 | } | |
74014c46 DH |
1111 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1112 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd | 1113 | } |
74014c46 | 1114 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1115 | { |
1116 | default: | |
1117 | if (SCM_NULLP (args)) | |
1118 | return v; | |
35de7ebe | 1119 | badarg: |
276dd677 DH |
1120 | SCM_WRONG_TYPE_ARG (1, v); |
1121 | /* not reached */ | |
c209c88e GB |
1122 | |
1123 | outrng: | |
1124 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1125 | wna: | |
b3fcac34 | 1126 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1127 | case scm_tc7_smob: |
1128 | { /* enclosed */ | |
1129 | int k = SCM_ARRAY_NDIM (v); | |
1130 | SCM res = scm_make_ra (k); | |
1131 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1132 | SCM_ARRAY_BASE (res) = pos; | |
1133 | while (k--) | |
1134 | { | |
1135 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1136 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1137 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1138 | } | |
1139 | return res; | |
1140 | } | |
1141 | case scm_tc7_bvect: | |
c209c88e | 1142 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1143 | return SCM_BOOL_T; |
1144 | else | |
1145 | return SCM_BOOL_F; | |
1146 | case scm_tc7_string: | |
322ac0c5 | 1147 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1148 | case scm_tc7_byvect: |
405aaef9 | 1149 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1150 | case scm_tc7_uvect: |
fee7ef83 | 1151 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1152 | case scm_tc7_ivect: |
1be6b49c | 1153 | return scm_long2num (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1154 | |
1155 | case scm_tc7_svect: | |
4260a7fc | 1156 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1157 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1158 | case scm_tc7_llvect: |
1be6b49c | 1159 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1160 | #endif |
1161 | ||
0f2d19dd | 1162 | case scm_tc7_fvect: |
4260a7fc | 1163 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1164 | case scm_tc7_dvect: |
4260a7fc | 1165 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1166 | case scm_tc7_cvect: |
4260a7fc DH |
1167 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1168 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1169 | case scm_tc7_vector: |
95f5b0f5 | 1170 | case scm_tc7_wvect: |
0f2d19dd JB |
1171 | return SCM_VELTS (v)[pos]; |
1172 | } | |
1173 | } | |
1bbd0b84 | 1174 | #undef FUNC_NAME |
0f2d19dd JB |
1175 | |
1176 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1177 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1178 | |
0f2d19dd | 1179 | SCM |
c014a02e | 1180 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1181 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1182 | { |
5c11cc9d | 1183 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1184 | { |
1185 | default: | |
db4b4ca6 | 1186 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1187 | case scm_tc7_bvect: |
34d19ef6 | 1188 | if (SCM_BITVEC_REF(v, pos)) |
0f2d19dd JB |
1189 | return SCM_BOOL_T; |
1190 | else | |
1191 | return SCM_BOOL_F; | |
1192 | case scm_tc7_string: | |
322ac0c5 | 1193 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1194 | case scm_tc7_byvect: |
405aaef9 | 1195 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1196 | case scm_tc7_uvect: |
fee7ef83 | 1197 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1198 | case scm_tc7_ivect: |
fee7ef83 | 1199 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1200 | case scm_tc7_svect: |
4260a7fc | 1201 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
5c11cc9d | 1202 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1203 | case scm_tc7_llvect: |
1be6b49c | 1204 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1205 | #endif |
0f2d19dd | 1206 | case scm_tc7_fvect: |
fee7ef83 | 1207 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1208 | { |
4260a7fc | 1209 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1210 | return last; |
1211 | } | |
4260a7fc | 1212 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1213 | case scm_tc7_dvect: |
fee7ef83 | 1214 | if (SCM_NIMP (last) && !SCM_EQ_P (last, scm_flo0) && SCM_SLOPPY_REALP (last)) |
0f2d19dd | 1215 | { |
4260a7fc | 1216 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1217 | return last; |
1218 | } | |
4260a7fc | 1219 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1220 | case scm_tc7_cvect: |
bc86da5d | 1221 | if (SCM_NIMP (last) && SCM_SLOPPY_COMPLEXP (last)) |
0f2d19dd | 1222 | { |
4260a7fc DH |
1223 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1224 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1225 | return last; |
1226 | } | |
4260a7fc DH |
1227 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1228 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1229 | case scm_tc7_vector: |
95f5b0f5 | 1230 | case scm_tc7_wvect: |
0f2d19dd JB |
1231 | return SCM_VELTS (v)[pos]; |
1232 | case scm_tc7_smob: | |
1233 | { /* enclosed scm_array */ | |
1234 | int k = SCM_ARRAY_NDIM (v); | |
1235 | SCM res = scm_make_ra (k); | |
1236 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1237 | SCM_ARRAY_BASE (res) = pos; | |
1238 | while (k--) | |
1239 | { | |
1240 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1241 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1242 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1243 | } | |
1244 | return res; | |
1245 | } | |
1246 | } | |
1247 | } | |
db4b4ca6 DH |
1248 | #undef FUNC_NAME |
1249 | ||
0f2d19dd | 1250 | |
1bbd0b84 GB |
1251 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1252 | ||
1cc91f1b | 1253 | |
0aa0871f GH |
1254 | /* Note that args may be a list or an immediate object, depending which |
1255 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1256 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1257 | (SCM v, SCM obj, SCM args), |
8f85c0c6 NJ |
1258 | "@deffnx {Scheme Procedure} uniform-array-set1! v obj args\n" |
1259 | "Set the element at the @code{(index1, index2)} element in @var{array} to\n" | |
b380b885 | 1260 | "@var{new-value}. The value returned by array-set! is unspecified.") |
1bbd0b84 | 1261 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1262 | { |
c014a02e | 1263 | long pos = 0; |
b3fcac34 | 1264 | |
0f2d19dd JB |
1265 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1266 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1267 | { |
1bbd0b84 | 1268 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1269 | v = SCM_ARRAY_V (v); |
1270 | } | |
1271 | else | |
1272 | { | |
c014a02e | 1273 | unsigned long int length; |
9a97e362 | 1274 | if (SCM_CONSP (args)) |
0f2d19dd | 1275 | { |
9a97e362 | 1276 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), args, SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1277 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1278 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1279 | } |
1280 | else | |
1281 | { | |
34d19ef6 | 1282 | SCM_VALIDATE_INUM_COPY (3, args, pos); |
0f2d19dd | 1283 | } |
74014c46 DH |
1284 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1285 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd JB |
1286 | } |
1287 | switch (SCM_TYP7 (v)) | |
1288 | { | |
35de7ebe | 1289 | default: badarg1: |
276dd677 DH |
1290 | SCM_WRONG_TYPE_ARG (1, v); |
1291 | /* not reached */ | |
c209c88e GB |
1292 | outrng: |
1293 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1294 | wna: | |
b3fcac34 | 1295 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1296 | case scm_tc7_smob: /* enclosed */ |
1297 | goto badarg1; | |
1298 | case scm_tc7_bvect: | |
4260a7fc | 1299 | if (SCM_FALSEP (obj)) |
34d19ef6 | 1300 | SCM_BITVEC_CLR(v, pos); |
9a09deb1 | 1301 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
34d19ef6 | 1302 | SCM_BITVEC_SET(v, pos); |
0f2d19dd | 1303 | else |
276dd677 | 1304 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1305 | break; |
1306 | case scm_tc7_string: | |
7866a09b | 1307 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1308 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1309 | break; |
1310 | case scm_tc7_byvect: | |
7866a09b GB |
1311 | if (SCM_CHARP (obj)) |
1312 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1313 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1314 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1315 | break; |
1bbd0b84 | 1316 | case scm_tc7_uvect: |
729dbac3 DH |
1317 | ((unsigned long *) SCM_UVECTOR_BASE (v))[pos] |
1318 | = scm_num2ulong (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1319 | break; |
1bbd0b84 | 1320 | case scm_tc7_ivect: |
729dbac3 DH |
1321 | ((long *) SCM_UVECTOR_BASE (v))[pos] |
1322 | = scm_num2long (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1323 | break; |
0f2d19dd | 1324 | case scm_tc7_svect: |
0aa0871f | 1325 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
729dbac3 | 1326 | ((short *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1327 | break; |
5c11cc9d | 1328 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1329 | case scm_tc7_llvect: |
729dbac3 DH |
1330 | ((long long *) SCM_UVECTOR_BASE (v))[pos] |
1331 | = scm_num2long_long (obj, SCM_ARG2, FUNC_NAME); | |
0f2d19dd JB |
1332 | break; |
1333 | #endif | |
0f2d19dd | 1334 | case scm_tc7_fvect: |
729dbac3 DH |
1335 | ((float *) SCM_UVECTOR_BASE (v))[pos] |
1336 | = (float) scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd | 1337 | break; |
0f2d19dd | 1338 | case scm_tc7_dvect: |
729dbac3 DH |
1339 | ((double *) SCM_UVECTOR_BASE (v))[pos] |
1340 | = scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd JB |
1341 | break; |
1342 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1343 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1344 | if (SCM_REALP (obj)) { | |
729dbac3 DH |
1345 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_REAL_VALUE (obj); |
1346 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = 0.0; | |
eb42e2f0 | 1347 | } else { |
729dbac3 DH |
1348 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_COMPLEX_REAL (obj); |
1349 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
eb42e2f0 | 1350 | } |
0f2d19dd | 1351 | break; |
0f2d19dd | 1352 | case scm_tc7_vector: |
95f5b0f5 | 1353 | case scm_tc7_wvect: |
34d19ef6 | 1354 | SCM_VECTOR_SET (v, pos, obj); |
0f2d19dd JB |
1355 | break; |
1356 | } | |
1357 | return SCM_UNSPECIFIED; | |
1358 | } | |
1bbd0b84 | 1359 | #undef FUNC_NAME |
0f2d19dd | 1360 | |
1d7bdb25 GH |
1361 | /* attempts to unroll an array into a one-dimensional array. |
1362 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1363 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1364 | wouldn't have contiguous elements. */ |
3b3b36dd | 1365 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1366 | (SCM ra, SCM strict), |
b380b885 MD |
1367 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" |
1368 | "without changing their order (last subscript changing fastest), then\n" | |
1369 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1370 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1371 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1372 | "@var{make-shared-array} may not be.\n\n" | |
1373 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1374 | "be returned only if its elements are stored internally contiguous in\n" | |
1375 | "memory.") | |
1bbd0b84 | 1376 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1377 | { |
1378 | SCM sra; | |
1379 | if (SCM_IMP (ra)) | |
f3667f52 | 1380 | return SCM_BOOL_F; |
5c11cc9d | 1381 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1382 | { |
1383 | default: | |
1384 | return SCM_BOOL_F; | |
1385 | case scm_tc7_vector: | |
95f5b0f5 | 1386 | case scm_tc7_wvect: |
0f2d19dd JB |
1387 | case scm_tc7_string: |
1388 | case scm_tc7_bvect: | |
1389 | case scm_tc7_byvect: | |
1390 | case scm_tc7_uvect: | |
1391 | case scm_tc7_ivect: | |
1392 | case scm_tc7_fvect: | |
1393 | case scm_tc7_dvect: | |
1394 | case scm_tc7_cvect: | |
1395 | case scm_tc7_svect: | |
5c11cc9d | 1396 | #ifdef HAVE_LONG_LONGS |
0f2d19dd JB |
1397 | case scm_tc7_llvect: |
1398 | #endif | |
1399 | return ra; | |
1400 | case scm_tc7_smob: | |
1401 | { | |
c014a02e | 1402 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1403 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1404 | return SCM_BOOL_F; | |
1405 | for (k = 0; k < ndim; k++) | |
1406 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1407 | if (!SCM_UNBNDP (strict)) | |
1408 | { | |
0f2d19dd JB |
1409 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1410 | return SCM_BOOL_F; | |
1411 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1412 | { | |
74014c46 | 1413 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1414 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1415 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1416 | return SCM_BOOL_F; |
1417 | } | |
1418 | } | |
74014c46 DH |
1419 | |
1420 | { | |
1421 | SCM v = SCM_ARRAY_V (ra); | |
c014a02e | 1422 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1423 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1424 | return v; | |
1425 | } | |
1426 | ||
0f2d19dd JB |
1427 | sra = scm_make_ra (1); |
1428 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1429 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1430 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1431 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1432 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1433 | return sra; | |
1434 | } | |
1435 | } | |
1436 | } | |
1bbd0b84 | 1437 | #undef FUNC_NAME |
0f2d19dd | 1438 | |
1cc91f1b | 1439 | |
0f2d19dd | 1440 | SCM |
6e8d25a6 | 1441 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1442 | { |
1443 | SCM ret; | |
c014a02e ML |
1444 | long inc = 1; |
1445 | size_t k, len = 1; | |
0f2d19dd JB |
1446 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1447 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1448 | k = SCM_ARRAY_NDIM (ra); | |
1449 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1450 | { | |
74014c46 | 1451 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1452 | return ra; |
74014c46 | 1453 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1454 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1455 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1456 | return ra; |
1457 | } | |
1458 | ret = scm_make_ra (k); | |
1459 | SCM_ARRAY_BASE (ret) = 0; | |
1460 | while (k--) | |
1461 | { | |
1462 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1463 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1464 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1465 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1466 | } | |
08112c95 | 1467 | SCM_ARRAY_V (ret) = scm_make_uve (inc, scm_array_prototype (ra)); |
0f2d19dd JB |
1468 | if (copy) |
1469 | scm_array_copy_x (ra, ret); | |
1470 | return ret; | |
1471 | } | |
1472 | ||
1473 | ||
1474 | ||
3b3b36dd | 1475 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1476 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 NJ |
1477 | "@deffnx {Scheme Procedure} uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1478 | "Attempt to read all elements of @var{ura}, in lexicographic order, as\n" | |
b380b885 | 1479 | "binary objects from @var{port-or-fdes}.\n" |
8f85c0c6 NJ |
1480 | "If an end of file is encountered,\n" |
1481 | "the objects up to that point are put into @var{ura}\n" | |
b380b885 MD |
1482 | "(starting at the beginning) and the remainder of the array is\n" |
1483 | "unchanged.\n\n" | |
1484 | "The optional arguments @var{start} and @var{end} allow\n" | |
1485 | "a specified region of a vector (or linearized array) to be read,\n" | |
1486 | "leaving the remainder of the vector unchanged.\n\n" | |
1487 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1488 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1489 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1490 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1491 | { |
35de7ebe | 1492 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1493 | long sz, vlen, ans; |
1494 | long cstart = 0; | |
1495 | long cend; | |
1496 | long offset = 0; | |
405aaef9 | 1497 | char *base; |
35de7ebe | 1498 | |
0f2d19dd | 1499 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1500 | if (SCM_UNBNDP (port_or_fd)) |
1501 | port_or_fd = scm_cur_inp; | |
1502 | else | |
1503 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1504 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1505 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1506 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1507 | ? 0 | |
1508 | : SCM_INUM (scm_uniform_vector_length (v))); | |
35de7ebe | 1509 | |
0f2d19dd | 1510 | loop: |
35de7ebe | 1511 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1512 | { |
1513 | default: | |
276dd677 | 1514 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd JB |
1515 | case scm_tc7_smob: |
1516 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1517 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1518 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1519 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1520 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1521 | v = SCM_ARRAY_V (cra); | |
1522 | goto loop; | |
1523 | case scm_tc7_string: | |
74014c46 | 1524 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1525 | sz = sizeof (char); |
1526 | break; | |
1527 | case scm_tc7_bvect: | |
74014c46 | 1528 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1529 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1530 | cstart /= SCM_LONG_BIT; | |
1531 | sz = sizeof (long); | |
74014c46 DH |
1532 | break; |
1533 | case scm_tc7_byvect: | |
1534 | base = (char *) SCM_UVECTOR_BASE (v); | |
1535 | sz = sizeof (char); | |
1536 | break; | |
0f2d19dd JB |
1537 | case scm_tc7_uvect: |
1538 | case scm_tc7_ivect: | |
74014c46 | 1539 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1540 | sz = sizeof (long); |
1541 | break; | |
1542 | case scm_tc7_svect: | |
74014c46 | 1543 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1544 | sz = sizeof (short); |
1545 | break; | |
5c11cc9d | 1546 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1547 | case scm_tc7_llvect: |
74014c46 | 1548 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1549 | sz = sizeof (long long); |
0f2d19dd JB |
1550 | break; |
1551 | #endif | |
0f2d19dd | 1552 | case scm_tc7_fvect: |
74014c46 | 1553 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1554 | sz = sizeof (float); |
1555 | break; | |
0f2d19dd | 1556 | case scm_tc7_dvect: |
74014c46 | 1557 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1558 | sz = sizeof (double); |
1559 | break; | |
1560 | case scm_tc7_cvect: | |
74014c46 | 1561 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1562 | sz = 2 * sizeof (double); |
1563 | break; | |
0f2d19dd | 1564 | } |
405aaef9 | 1565 | |
1146b6cd GH |
1566 | cend = vlen; |
1567 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1568 | { |
1146b6cd | 1569 | offset = |
c014a02e | 1570 | SCM_NUM2LONG (3, start); |
35de7ebe | 1571 | |
1146b6cd | 1572 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1573 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1574 | |
1575 | if (!SCM_UNBNDP (end)) | |
1576 | { | |
c014a02e ML |
1577 | long tend = |
1578 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1579 | |
1146b6cd | 1580 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1581 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1582 | cend = tend; |
1583 | } | |
0f2d19dd | 1584 | } |
35de7ebe | 1585 | |
3d8d56df GH |
1586 | if (SCM_NIMP (port_or_fd)) |
1587 | { | |
92c2555f | 1588 | scm_t_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1589 | int remaining = (cend - offset) * sz; |
405aaef9 | 1590 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1591 | |
1592 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1593 | scm_flush (port_or_fd); |
6c951427 GH |
1594 | |
1595 | ans = cend - offset; | |
1596 | while (remaining > 0) | |
3d8d56df | 1597 | { |
6c951427 GH |
1598 | if (pt->read_pos < pt->read_end) |
1599 | { | |
1600 | int to_copy = min (pt->read_end - pt->read_pos, | |
1601 | remaining); | |
1602 | ||
1603 | memcpy (dest, pt->read_pos, to_copy); | |
1604 | pt->read_pos += to_copy; | |
1605 | remaining -= to_copy; | |
1606 | dest += to_copy; | |
1607 | } | |
1608 | else | |
1609 | { | |
affc96b5 | 1610 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1611 | { |
1612 | if (remaining % sz != 0) | |
1613 | { | |
5d2d2ffc | 1614 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1615 | } |
1616 | ans -= remaining / sz; | |
1617 | break; | |
1618 | } | |
6c951427 | 1619 | } |
3d8d56df | 1620 | } |
6c951427 GH |
1621 | |
1622 | if (pt->rw_random) | |
1623 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1624 | } |
1625 | else /* file descriptor. */ | |
1626 | { | |
1627 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1628 | base + (cstart + offset) * sz, |
1be6b49c | 1629 | (sz * (cend - offset)))); |
3d8d56df | 1630 | if (ans == -1) |
1bbd0b84 | 1631 | SCM_SYSERROR; |
3d8d56df | 1632 | } |
0f2d19dd | 1633 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1634 | ans *= SCM_LONG_BIT; |
35de7ebe | 1635 | |
fee7ef83 | 1636 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1637 | scm_array_copy_x (cra, ra); |
35de7ebe | 1638 | |
0f2d19dd JB |
1639 | return SCM_MAKINUM (ans); |
1640 | } | |
1bbd0b84 | 1641 | #undef FUNC_NAME |
0f2d19dd | 1642 | |
3b3b36dd | 1643 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1644 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 | 1645 | "@deffnx {Scheme Procedure} uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
b380b885 MD |
1646 | "Writes all elements of @var{ura} as binary objects to\n" |
1647 | "@var{port-or-fdes}.\n\n" | |
1648 | "The optional arguments @var{start}\n" | |
1649 | "and @var{end} allow\n" | |
1650 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
9401323e | 1651 | "The number of objects actually written is returned.\n" |
b380b885 MD |
1652 | "@var{port-or-fdes} may be\n" |
1653 | "omitted, in which case it defaults to the value returned by\n" | |
1654 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1655 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1656 | { |
c014a02e ML |
1657 | long sz, vlen, ans; |
1658 | long offset = 0; | |
1659 | long cstart = 0; | |
1660 | long cend; | |
405aaef9 | 1661 | char *base; |
3d8d56df | 1662 | |
78446828 MV |
1663 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1664 | ||
0f2d19dd | 1665 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1666 | if (SCM_UNBNDP (port_or_fd)) |
1667 | port_or_fd = scm_cur_outp; | |
1668 | else | |
1669 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1670 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1671 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1672 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1673 | ? 0 | |
1674 | : SCM_INUM (scm_uniform_vector_length (v))); | |
1675 | ||
0f2d19dd | 1676 | loop: |
3d8d56df | 1677 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1678 | { |
1679 | default: | |
276dd677 | 1680 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1681 | case scm_tc7_smob: |
1682 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1683 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1684 | cstart = SCM_ARRAY_BASE (v); |
d245ce23 MD |
1685 | vlen = (SCM_ARRAY_DIMS (v)->inc |
1686 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1)); | |
0f2d19dd JB |
1687 | v = SCM_ARRAY_V (v); |
1688 | goto loop; | |
0f2d19dd | 1689 | case scm_tc7_string: |
74014c46 | 1690 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1691 | sz = sizeof (char); |
1692 | break; | |
1693 | case scm_tc7_bvect: | |
74014c46 | 1694 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1695 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1696 | cstart /= SCM_LONG_BIT; | |
1697 | sz = sizeof (long); | |
74014c46 DH |
1698 | break; |
1699 | case scm_tc7_byvect: | |
1700 | base = (char *) SCM_UVECTOR_BASE (v); | |
1701 | sz = sizeof (char); | |
1702 | break; | |
0f2d19dd JB |
1703 | case scm_tc7_uvect: |
1704 | case scm_tc7_ivect: | |
74014c46 | 1705 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1706 | sz = sizeof (long); |
1707 | break; | |
1708 | case scm_tc7_svect: | |
74014c46 | 1709 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1710 | sz = sizeof (short); |
1711 | break; | |
5c11cc9d | 1712 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 1713 | case scm_tc7_llvect: |
74014c46 | 1714 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1715 | sz = sizeof (long long); |
0f2d19dd JB |
1716 | break; |
1717 | #endif | |
0f2d19dd | 1718 | case scm_tc7_fvect: |
74014c46 | 1719 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1720 | sz = sizeof (float); |
1721 | break; | |
0f2d19dd | 1722 | case scm_tc7_dvect: |
74014c46 | 1723 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1724 | sz = sizeof (double); |
1725 | break; | |
1726 | case scm_tc7_cvect: | |
74014c46 | 1727 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1728 | sz = 2 * sizeof (double); |
1729 | break; | |
0f2d19dd | 1730 | } |
3d8d56df | 1731 | |
1146b6cd GH |
1732 | cend = vlen; |
1733 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1734 | { |
1146b6cd | 1735 | offset = |
c014a02e | 1736 | SCM_NUM2LONG (3, start); |
3d8d56df | 1737 | |
1146b6cd | 1738 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1739 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1740 | |
1741 | if (!SCM_UNBNDP (end)) | |
1742 | { | |
c014a02e ML |
1743 | long tend = |
1744 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1745 | |
1146b6cd | 1746 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1747 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1748 | cend = tend; |
1749 | } | |
3d8d56df GH |
1750 | } |
1751 | ||
1752 | if (SCM_NIMP (port_or_fd)) | |
1753 | { | |
405aaef9 | 1754 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1755 | |
1756 | ans = cend - offset; | |
265e6a4d | 1757 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1758 | } |
1759 | else /* file descriptor. */ | |
1760 | { | |
1761 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1762 | base + (cstart + offset) * sz, |
1be6b49c | 1763 | (sz * (cend - offset)))); |
3d8d56df | 1764 | if (ans == -1) |
1bbd0b84 | 1765 | SCM_SYSERROR; |
3d8d56df | 1766 | } |
0f2d19dd | 1767 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1768 | ans *= SCM_LONG_BIT; |
3d8d56df | 1769 | |
0f2d19dd JB |
1770 | return SCM_MAKINUM (ans); |
1771 | } | |
1bbd0b84 | 1772 | #undef FUNC_NAME |
0f2d19dd JB |
1773 | |
1774 | ||
1775 | static char cnt_tab[16] = | |
1776 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1777 | ||
3b3b36dd | 1778 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1779 | (SCM b, SCM bitvector), |
1e6808ea | 1780 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1781 | "@var{bitvector}.") |
1bbd0b84 | 1782 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1783 | { |
44e47754 | 1784 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1785 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1786 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1787 | return SCM_INUM0; |
1788 | } else { | |
c014a02e ML |
1789 | unsigned long int count = 0; |
1790 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1791 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
44e47754 DH |
1792 | if (SCM_FALSEP (b)) { |
1793 | w = ~w; | |
1794 | }; | |
c014a02e | 1795 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1796 | while (1) { |
1797 | while (w) { | |
1798 | count += cnt_tab[w & 0x0f]; | |
1799 | w >>= 4; | |
1800 | } | |
1801 | if (i == 0) { | |
1802 | return SCM_MAKINUM (count); | |
1803 | } else { | |
1804 | --i; | |
1805 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1806 | if (SCM_FALSEP (b)) { | |
1807 | w = ~w; | |
0f2d19dd | 1808 | } |
44e47754 | 1809 | } |
0f2d19dd | 1810 | } |
44e47754 | 1811 | } |
0f2d19dd | 1812 | } |
1bbd0b84 | 1813 | #undef FUNC_NAME |
0f2d19dd JB |
1814 | |
1815 | ||
3b3b36dd | 1816 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1817 | (SCM item, SCM v, SCM k), |
1e6808ea MG |
1818 | "Return the minimum index of an occurrence of @var{bool} in\n" |
1819 | "@var{bv} which is at least @var{k}. If no @var{bool} occurs\n" | |
1820 | "within the specified range @code{#f} is returned.") | |
1bbd0b84 | 1821 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1822 | { |
c014a02e ML |
1823 | long i, lenw, xbits, pos; |
1824 | register unsigned long w; | |
74014c46 DH |
1825 | |
1826 | SCM_VALIDATE_BOOL (1, item); | |
1827 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
34d19ef6 | 1828 | SCM_VALIDATE_INUM_COPY (3, k, pos); |
74014c46 DH |
1829 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1830 | ||
1831 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1832 | return SCM_BOOL_F; |
74014c46 | 1833 | |
c014a02e ML |
1834 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1835 | i = pos / SCM_LONG_BIT; | |
74014c46 DH |
1836 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
1837 | if (SCM_FALSEP (item)) | |
1838 | w = ~w; | |
c014a02e | 1839 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1840 | pos -= xbits; |
1841 | w = ((w >> xbits) << xbits); | |
c014a02e | 1842 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1843 | while (!0) |
1844 | { | |
1845 | if (w && (i == lenw)) | |
1846 | w = ((w << xbits) >> xbits); | |
1847 | if (w) | |
1848 | while (w) | |
1849 | switch (w & 0x0f) | |
1850 | { | |
1851 | default: | |
1852 | return SCM_MAKINUM (pos); | |
1853 | case 2: | |
1854 | case 6: | |
1855 | case 10: | |
1856 | case 14: | |
1857 | return SCM_MAKINUM (pos + 1); | |
1858 | case 4: | |
1859 | case 12: | |
1860 | return SCM_MAKINUM (pos + 2); | |
1861 | case 8: | |
1862 | return SCM_MAKINUM (pos + 3); | |
1863 | case 0: | |
1864 | pos += 4; | |
1865 | w >>= 4; | |
1866 | } | |
1867 | if (++i > lenw) | |
1868 | break; | |
c014a02e | 1869 | pos += SCM_LONG_BIT; |
f1267706 | 1870 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1871 | if (SCM_FALSEP (item)) |
1872 | w = ~w; | |
0f2d19dd | 1873 | } |
74014c46 | 1874 | return SCM_BOOL_F; |
0f2d19dd | 1875 | } |
1bbd0b84 | 1876 | #undef FUNC_NAME |
0f2d19dd JB |
1877 | |
1878 | ||
3b3b36dd | 1879 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 MG |
1880 | (SCM v, SCM kv, SCM obj), |
1881 | "If uve is a bit-vector @var{bv} and uve must be of the same\n" | |
1882 | "length. If @var{bool} is @code{#t}, uve is OR'ed into\n" | |
1883 | "@var{bv}; If @var{bool} is @code{#f}, the inversion of uve is\n" | |
1884 | "AND'ed into @var{bv}.\n\n" | |
8f85c0c6 | 1885 | "If uve is a unsigned long integer vector all the elements of uve\n" |
c7eb8761 MG |
1886 | "must be between 0 and the @code{length} of @var{bv}. The bits\n" |
1887 | "of @var{bv} corresponding to the indexes in uve are set to\n" | |
1888 | "@var{bool}. The return value is unspecified.") | |
1bbd0b84 | 1889 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1890 | { |
c014a02e | 1891 | register long i, k, vlen; |
74014c46 | 1892 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1893 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1894 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1895 | { |
1896 | default: | |
276dd677 | 1897 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1898 | case scm_tc7_uvect: |
74014c46 DH |
1899 | vlen = SCM_BITVECTOR_LENGTH (v); |
1900 | if (SCM_FALSEP (obj)) | |
1901 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1902 | { | |
c014a02e | 1903 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1904 | if (k >= vlen) |
1905 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1906 | SCM_BITVEC_CLR(v, k); |
74014c46 DH |
1907 | } |
1908 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1909 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1910 | { | |
c014a02e | 1911 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1912 | if (k >= vlen) |
1913 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1914 | SCM_BITVEC_SET(v, k); |
74014c46 DH |
1915 | } |
1916 | else | |
276dd677 | 1917 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1918 | break; |
1919 | case scm_tc7_bvect: | |
74014c46 | 1920 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
4260a7fc | 1921 | if (SCM_FALSEP (obj)) |
c014a02e | 1922 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1923 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; |
9a09deb1 | 1924 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c014a02e | 1925 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1926 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; |
0f2d19dd JB |
1927 | else |
1928 | goto badarg3; | |
1929 | break; | |
1930 | } | |
1931 | return SCM_UNSPECIFIED; | |
1932 | } | |
1bbd0b84 | 1933 | #undef FUNC_NAME |
0f2d19dd JB |
1934 | |
1935 | ||
3b3b36dd | 1936 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1937 | (SCM v, SCM kv, SCM obj), |
1e6808ea MG |
1938 | "Return\n" |
1939 | "@lisp\n" | |
b380b885 | 1940 | "(bit-count (bit-set*! (if bool bv (bit-invert! bv)) uve #t) #t).\n" |
1e6808ea | 1941 | "@end lisp\n" |
b380b885 | 1942 | "@var{bv} is not modified.") |
1bbd0b84 | 1943 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1944 | { |
c014a02e ML |
1945 | register long i, vlen, count = 0; |
1946 | register unsigned long k; | |
41b0806d | 1947 | int fObj = 0; |
c209c88e | 1948 | |
74014c46 | 1949 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1950 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1951 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1952 | { |
1953 | default: | |
c209c88e | 1954 | badarg2: |
276dd677 | 1955 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1956 | case scm_tc7_uvect: |
74014c46 DH |
1957 | vlen = SCM_BITVECTOR_LENGTH (v); |
1958 | if (SCM_FALSEP (obj)) | |
1959 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1960 | { | |
c014a02e | 1961 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1962 | if (k >= vlen) |
1963 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1964 | if (!SCM_BITVEC_REF(v, k)) |
74014c46 DH |
1965 | count++; |
1966 | } | |
1967 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1968 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1969 | { | |
c014a02e | 1970 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1971 | if (k >= vlen) |
1972 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1973 | if (SCM_BITVEC_REF (v, k)) |
74014c46 DH |
1974 | count++; |
1975 | } | |
1976 | else | |
276dd677 | 1977 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1978 | break; |
1979 | case scm_tc7_bvect: | |
74014c46 DH |
1980 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1981 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1982 | return SCM_INUM0; |
4260a7fc | 1983 | SCM_ASRTGO (SCM_BOOLP (obj), badarg3); |
9a09deb1 | 1984 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
c014a02e ML |
1985 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
1986 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
1987 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 1988 | while (1) |
0f2d19dd JB |
1989 | { |
1990 | for (; k; k >>= 4) | |
1991 | count += cnt_tab[k & 0x0f]; | |
1992 | if (0 == i--) | |
1993 | return SCM_MAKINUM (count); | |
c209c88e GB |
1994 | |
1995 | /* urg. repetitive (see above.) */ | |
c014a02e | 1996 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1997 | } |
1998 | } | |
1999 | return SCM_MAKINUM (count); | |
2000 | } | |
1bbd0b84 | 2001 | #undef FUNC_NAME |
0f2d19dd JB |
2002 | |
2003 | ||
3b3b36dd | 2004 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 2005 | (SCM v), |
8f85c0c6 | 2006 | "Modify @var{bv} by replacing each element with its negation.") |
1bbd0b84 | 2007 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2008 | { |
c014a02e | 2009 | long int k; |
74014c46 DH |
2010 | |
2011 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2012 | ||
2013 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 2014 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 2015 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 2016 | |
0f2d19dd JB |
2017 | return SCM_UNSPECIFIED; |
2018 | } | |
1bbd0b84 | 2019 | #undef FUNC_NAME |
0f2d19dd JB |
2020 | |
2021 | ||
0f2d19dd | 2022 | SCM |
c014a02e | 2023 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2024 | { |
2025 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
c014a02e ML |
2026 | long *data = (long *) SCM_VELTS (v); |
2027 | register unsigned long mask; | |
2028 | register long k; | |
2029 | register long j; | |
2030 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
0f2d19dd JB |
2031 | { |
2032 | data[k] = 0L; | |
c014a02e ML |
2033 | j = len - k * SCM_LONG_BIT; |
2034 | if (j > SCM_LONG_BIT) | |
2035 | j = SCM_LONG_BIT; | |
0f2d19dd JB |
2036 | for (mask = 1L; j--; mask <<= 1) |
2037 | switch (*str++) | |
2038 | { | |
2039 | case '0': | |
2040 | break; | |
2041 | case '1': | |
2042 | data[k] |= mask; | |
2043 | break; | |
2044 | default: | |
2045 | return SCM_BOOL_F; | |
2046 | } | |
2047 | } | |
2048 | return v; | |
2049 | } | |
2050 | ||
2051 | ||
1cc91f1b | 2052 | |
0f2d19dd | 2053 | static SCM |
34d19ef6 | 2054 | ra2l (SCM ra, unsigned long base, unsigned long k) |
0f2d19dd JB |
2055 | { |
2056 | register SCM res = SCM_EOL; | |
c014a02e ML |
2057 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2058 | register size_t i; | |
0f2d19dd JB |
2059 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
2060 | return SCM_EOL; | |
2061 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2062 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2063 | { | |
2064 | do | |
2065 | { | |
2066 | i -= inc; | |
2067 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2068 | } | |
2069 | while (i != base); | |
2070 | } | |
2071 | else | |
2072 | do | |
2073 | { | |
2074 | i -= inc; | |
2075 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2076 | } | |
2077 | while (i != base); | |
2078 | return res; | |
2079 | } | |
2080 | ||
2081 | ||
cd328b4f | 2082 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2083 | (SCM v), |
1e6808ea MG |
2084 | "Return a list consisting of all the elements, in order, of\n" |
2085 | "@var{array}.") | |
cd328b4f | 2086 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2087 | { |
2088 | SCM res = SCM_EOL; | |
c014a02e | 2089 | register long k; |
0f2d19dd | 2090 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 2091 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2092 | { |
2093 | default: | |
276dd677 | 2094 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2095 | case scm_tc7_smob: |
2096 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2097 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2098 | case scm_tc7_vector: | |
95f5b0f5 | 2099 | case scm_tc7_wvect: |
0f2d19dd JB |
2100 | return scm_vector_to_list (v); |
2101 | case scm_tc7_string: | |
2102 | return scm_string_to_list (v); | |
2103 | case scm_tc7_bvect: | |
2104 | { | |
c014a02e ML |
2105 | long *data = (long *) SCM_VELTS (v); |
2106 | register unsigned long mask; | |
2107 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
2108 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
2109 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); | |
2110 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) | |
2111 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); | |
0f2d19dd JB |
2112 | return res; |
2113 | } | |
af7546eb DH |
2114 | case scm_tc7_byvect: |
2115 | { | |
2116 | signed char *data = (signed char *) SCM_VELTS (v); | |
c014a02e | 2117 | unsigned long k = SCM_UVECTOR_LENGTH (v); |
af7546eb DH |
2118 | while (k != 0) |
2119 | res = scm_cons (SCM_MAKINUM (data[--k]), res); | |
2120 | return res; | |
2121 | } | |
2122 | case scm_tc7_uvect: | |
2123 | { | |
c014a02e | 2124 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2125 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2126 | res = scm_cons(scm_ulong2num(data[k]), res); |
af7546eb DH |
2127 | return res; |
2128 | } | |
2129 | case scm_tc7_ivect: | |
2130 | { | |
c014a02e | 2131 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2132 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2133 | res = scm_cons(scm_long2num(data[k]), res); |
af7546eb DH |
2134 | return res; |
2135 | } | |
2136 | case scm_tc7_svect: | |
2137 | { | |
2138 | short *data = (short *)SCM_VELTS(v); | |
2139 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
1be6b49c | 2140 | res = scm_cons(scm_short2num (data[k]), res); |
af7546eb DH |
2141 | return res; |
2142 | } | |
5c11cc9d | 2143 | #ifdef HAVE_LONG_LONGS |
af7546eb DH |
2144 | case scm_tc7_llvect: |
2145 | { | |
1be6b49c | 2146 | long long *data = (long long *)SCM_VELTS(v); |
af7546eb DH |
2147 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
2148 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2149 | return res; | |
2150 | } | |
0f2d19dd | 2151 | #endif |
0f2d19dd JB |
2152 | case scm_tc7_fvect: |
2153 | { | |
2154 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2155 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
bc86da5d | 2156 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2157 | return res; |
2158 | } | |
0f2d19dd JB |
2159 | case scm_tc7_dvect: |
2160 | { | |
2161 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2162 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2163 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2164 | return res; |
2165 | } | |
2166 | case scm_tc7_cvect: | |
2167 | { | |
2168 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2169 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2170 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2171 | return res; |
2172 | } | |
0f2d19dd JB |
2173 | } |
2174 | } | |
1bbd0b84 | 2175 | #undef FUNC_NAME |
0f2d19dd JB |
2176 | |
2177 | ||
c014a02e | 2178 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 2179 | |
3b3b36dd | 2180 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2181 | (SCM ndim, SCM prot, SCM lst), |
8f85c0c6 | 2182 | "@deffnx {Scheme Procedure} list->uniform-vector prot lst\n" |
1e6808ea MG |
2183 | "Return a uniform array of the type indicated by prototype\n" |
2184 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2185 | "Elements must be of the appropriate type, no coercions are\n" | |
2186 | "done.") | |
1bbd0b84 | 2187 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2188 | { |
2189 | SCM shp = SCM_EOL; | |
2190 | SCM row = lst; | |
2191 | SCM ra; | |
c014a02e | 2192 | unsigned long k; |
0f2d19dd | 2193 | long n; |
34d19ef6 | 2194 | SCM_VALIDATE_INUM_COPY (1, ndim, k); |
0f2d19dd JB |
2195 | while (k--) |
2196 | { | |
2197 | n = scm_ilength (row); | |
1bbd0b84 | 2198 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2199 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2200 | if (SCM_NIMP (row)) | |
2201 | row = SCM_CAR (row); | |
2202 | } | |
d12feca3 GH |
2203 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2204 | SCM_UNDEFINED); | |
0f2d19dd | 2205 | if (SCM_NULLP (shp)) |
0f2d19dd JB |
2206 | { |
2207 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2208 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2209 | return ra; | |
2210 | } | |
2211 | if (!SCM_ARRAYP (ra)) | |
2212 | { | |
c014a02e | 2213 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra)); |
74014c46 | 2214 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
0f2d19dd JB |
2215 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); |
2216 | return ra; | |
2217 | } | |
2218 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2219 | return ra; | |
2220 | else | |
1afff620 KN |
2221 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", |
2222 | scm_list_1 (lst)); | |
0f2d19dd | 2223 | } |
1bbd0b84 | 2224 | #undef FUNC_NAME |
0f2d19dd | 2225 | |
0f2d19dd | 2226 | static int |
c014a02e | 2227 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2228 | { |
c014a02e ML |
2229 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2230 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2231 | int ok = 1; |
2232 | if (n <= 0) | |
4260a7fc | 2233 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2234 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2235 | { | |
2236 | while (n--) | |
2237 | { | |
2238 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2239 | return 0; | |
2240 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2241 | base += inc; | |
2242 | lst = SCM_CDR (lst); | |
2243 | } | |
2244 | if (SCM_NNULLP (lst)) | |
2245 | return 0; | |
2246 | } | |
2247 | else | |
2248 | { | |
2249 | while (n--) | |
2250 | { | |
2251 | if (SCM_IMP (lst) || SCM_NCONSP (lst)) | |
2252 | return 0; | |
baa702c8 | 2253 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); |
0f2d19dd JB |
2254 | base += inc; |
2255 | lst = SCM_CDR (lst); | |
2256 | } | |
2257 | if (SCM_NNULLP (lst)) | |
fee7ef83 | 2258 | return 0; |
0f2d19dd JB |
2259 | } |
2260 | return ok; | |
2261 | } | |
2262 | ||
1cc91f1b | 2263 | |
0f2d19dd | 2264 | static void |
34d19ef6 | 2265 | rapr1 (SCM ra, unsigned long j, unsigned long k, SCM port, scm_print_state *pstate) |
0f2d19dd | 2266 | { |
c014a02e ML |
2267 | long inc = 1; |
2268 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 MD |
2269 | ? 0 |
2270 | : SCM_INUM (scm_uniform_vector_length (ra))); | |
0f2d19dd JB |
2271 | int enclosed = 0; |
2272 | tail: | |
5c11cc9d | 2273 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2274 | { |
2275 | case scm_tc7_smob: | |
2276 | if (enclosed++) | |
2277 | { | |
2278 | SCM_ARRAY_BASE (ra) = j; | |
2279 | if (n-- > 0) | |
9882ea19 | 2280 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2281 | for (j += inc; n-- > 0; j += inc) |
2282 | { | |
b7f3516f | 2283 | scm_putc (' ', port); |
0f2d19dd | 2284 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2285 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2286 | } |
2287 | break; | |
2288 | } | |
2289 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2290 | { | |
c014a02e | 2291 | long i; |
0f2d19dd JB |
2292 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2293 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2294 | { | |
b7f3516f | 2295 | scm_putc ('(', port); |
9882ea19 | 2296 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2297 | scm_puts (") ", port); |
0f2d19dd JB |
2298 | j += inc; |
2299 | } | |
2300 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2301 | { /* could be zero size. */ | |
b7f3516f | 2302 | scm_putc ('(', port); |
9882ea19 | 2303 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2304 | scm_putc (')', port); |
0f2d19dd JB |
2305 | } |
2306 | break; | |
2307 | } | |
1be6b49c | 2308 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2309 | { /* Could be zero-dimensional */ |
2310 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2311 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2312 | } | |
2313 | else | |
2314 | n = 1; | |
2315 | ra = SCM_ARRAY_V (ra); | |
2316 | goto tail; | |
2317 | default: | |
5c11cc9d | 2318 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2319 | if (n-- > 0) |
9882ea19 | 2320 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2321 | for (j += inc; n-- > 0; j += inc) |
2322 | { | |
b7f3516f | 2323 | scm_putc (' ', port); |
9882ea19 | 2324 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2325 | } |
2326 | break; | |
2327 | case scm_tc7_string: | |
2328 | if (n-- > 0) | |
322ac0c5 | 2329 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2330 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2331 | for (j += inc; n-- > 0; j += inc) |
2332 | { | |
b7f3516f | 2333 | scm_putc (' ', port); |
322ac0c5 | 2334 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2335 | } |
2336 | else | |
2337 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2338 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2339 | break; |
2340 | case scm_tc7_byvect: | |
2341 | if (n-- > 0) | |
4260a7fc | 2342 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2343 | for (j += inc; n-- > 0; j += inc) |
2344 | { | |
b7f3516f | 2345 | scm_putc (' ', port); |
4260a7fc | 2346 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2347 | } |
2348 | break; | |
2349 | ||
2350 | case scm_tc7_uvect: | |
5c11cc9d GH |
2351 | { |
2352 | char str[11]; | |
2353 | ||
2354 | if (n-- > 0) | |
2355 | { | |
2356 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2357 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2358 | scm_puts (str, port); |
2359 | } | |
2360 | for (j += inc; n-- > 0; j += inc) | |
2361 | { | |
2362 | scm_putc (' ', port); | |
fee7ef83 | 2363 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2364 | scm_puts (str, port); |
2365 | } | |
2366 | } | |
0f2d19dd JB |
2367 | case scm_tc7_ivect: |
2368 | if (n-- > 0) | |
fee7ef83 | 2369 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2370 | for (j += inc; n-- > 0; j += inc) |
2371 | { | |
b7f3516f | 2372 | scm_putc (' ', port); |
fee7ef83 | 2373 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2374 | } |
2375 | break; | |
2376 | ||
2377 | case scm_tc7_svect: | |
2378 | if (n-- > 0) | |
4260a7fc | 2379 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2380 | for (j += inc; n-- > 0; j += inc) |
2381 | { | |
b7f3516f | 2382 | scm_putc (' ', port); |
4260a7fc | 2383 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2384 | } |
2385 | break; | |
2386 | ||
0f2d19dd JB |
2387 | case scm_tc7_fvect: |
2388 | if (n-- > 0) | |
2389 | { | |
bc86da5d MD |
2390 | SCM z = scm_make_real (1.0); |
2391 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2392 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2393 | for (j += inc; n-- > 0; j += inc) |
2394 | { | |
b7f3516f | 2395 | scm_putc (' ', port); |
bc86da5d MD |
2396 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2397 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2398 | } |
2399 | } | |
2400 | break; | |
0f2d19dd JB |
2401 | case scm_tc7_dvect: |
2402 | if (n-- > 0) | |
2403 | { | |
bc86da5d MD |
2404 | SCM z = scm_make_real (1.0 / 3.0); |
2405 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2406 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2407 | for (j += inc; n-- > 0; j += inc) |
2408 | { | |
b7f3516f | 2409 | scm_putc (' ', port); |
bc86da5d MD |
2410 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2411 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2412 | } |
2413 | } | |
2414 | break; | |
2415 | case scm_tc7_cvect: | |
2416 | if (n-- > 0) | |
2417 | { | |
bc86da5d MD |
2418 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2419 | SCM_REAL_VALUE (z) = | |
2420 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2421 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2422 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2423 | port, pstate); | |
0f2d19dd JB |
2424 | for (j += inc; n-- > 0; j += inc) |
2425 | { | |
b7f3516f | 2426 | scm_putc (' ', port); |
bc86da5d MD |
2427 | SCM_REAL_VALUE (z) |
2428 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2429 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2430 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2431 | port, pstate); | |
0f2d19dd JB |
2432 | } |
2433 | } | |
2434 | break; | |
0f2d19dd JB |
2435 | } |
2436 | } | |
2437 | ||
2438 | ||
1cc91f1b | 2439 | |
0f2d19dd | 2440 | int |
1bbd0b84 | 2441 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2442 | { |
2443 | SCM v = exp; | |
c014a02e | 2444 | unsigned long base = 0; |
b7f3516f | 2445 | scm_putc ('#', port); |
0f2d19dd | 2446 | tail: |
5c11cc9d | 2447 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2448 | { |
2449 | case scm_tc7_smob: | |
2450 | { | |
2451 | long ndim = SCM_ARRAY_NDIM (v); | |
2452 | base = SCM_ARRAY_BASE (v); | |
2453 | v = SCM_ARRAY_V (v); | |
2454 | if (SCM_ARRAYP (v)) | |
2455 | ||
2456 | { | |
b7f3516f | 2457 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2458 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2459 | scm_putc ('>', port); |
0f2d19dd JB |
2460 | return 1; |
2461 | } | |
2462 | else | |
2463 | { | |
2464 | scm_intprint (ndim, 10, port); | |
2465 | goto tail; | |
2466 | } | |
2467 | } | |
2468 | case scm_tc7_bvect: | |
fee7ef83 | 2469 | if (SCM_EQ_P (exp, v)) |
0f2d19dd | 2470 | { /* a uve, not an scm_array */ |
c014a02e | 2471 | register long i, j, w; |
b7f3516f | 2472 | scm_putc ('*', port); |
c014a02e | 2473 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2474 | { |
92c2555f | 2475 | scm_t_bits w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
c014a02e | 2476 | for (j = SCM_LONG_BIT; j; j--) |
0f2d19dd | 2477 | { |
b7f3516f | 2478 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2479 | w >>= 1; |
2480 | } | |
2481 | } | |
c014a02e | 2482 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2483 | if (j) |
2484 | { | |
c014a02e | 2485 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2486 | for (; j; j--) |
2487 | { | |
b7f3516f | 2488 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2489 | w >>= 1; |
2490 | } | |
2491 | } | |
2492 | return 1; | |
2493 | } | |
2494 | else | |
b7f3516f | 2495 | scm_putc ('b', port); |
0f2d19dd JB |
2496 | break; |
2497 | case scm_tc7_string: | |
b7f3516f | 2498 | scm_putc ('a', port); |
0f2d19dd JB |
2499 | break; |
2500 | case scm_tc7_byvect: | |
05c33d09 | 2501 | scm_putc ('y', port); |
0f2d19dd JB |
2502 | break; |
2503 | case scm_tc7_uvect: | |
b7f3516f | 2504 | scm_putc ('u', port); |
0f2d19dd JB |
2505 | break; |
2506 | case scm_tc7_ivect: | |
b7f3516f | 2507 | scm_putc ('e', port); |
0f2d19dd JB |
2508 | break; |
2509 | case scm_tc7_svect: | |
05c33d09 | 2510 | scm_putc ('h', port); |
0f2d19dd | 2511 | break; |
5c11cc9d | 2512 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2513 | case scm_tc7_llvect: |
5c11cc9d | 2514 | scm_putc ('l', port); |
0f2d19dd JB |
2515 | break; |
2516 | #endif | |
0f2d19dd | 2517 | case scm_tc7_fvect: |
b7f3516f | 2518 | scm_putc ('s', port); |
0f2d19dd | 2519 | break; |
0f2d19dd | 2520 | case scm_tc7_dvect: |
b7f3516f | 2521 | scm_putc ('i', port); |
0f2d19dd JB |
2522 | break; |
2523 | case scm_tc7_cvect: | |
b7f3516f | 2524 | scm_putc ('c', port); |
0f2d19dd | 2525 | break; |
0f2d19dd | 2526 | } |
b7f3516f | 2527 | scm_putc ('(', port); |
9882ea19 | 2528 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2529 | scm_putc (')', port); |
0f2d19dd JB |
2530 | return 1; |
2531 | } | |
2532 | ||
3b3b36dd | 2533 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2534 | (SCM ra), |
1e6808ea MG |
2535 | "Return an object that would produce an array of the same type\n" |
2536 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2537 | "@code{make-uniform-array}.") |
1bbd0b84 | 2538 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2539 | { |
2540 | int enclosed = 0; | |
2541 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2542 | loop: | |
74014c46 | 2543 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2544 | { |
2545 | default: | |
276dd677 | 2546 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2547 | case scm_tc7_smob: |
2548 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2549 | if (enclosed++) | |
2550 | return SCM_UNSPECIFIED; | |
2551 | ra = SCM_ARRAY_V (ra); | |
2552 | goto loop; | |
2553 | case scm_tc7_vector: | |
95f5b0f5 | 2554 | case scm_tc7_wvect: |
0f2d19dd JB |
2555 | return SCM_EOL; |
2556 | case scm_tc7_bvect: | |
2557 | return SCM_BOOL_T; | |
2558 | case scm_tc7_string: | |
7866a09b | 2559 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2560 | case scm_tc7_byvect: |
7866a09b | 2561 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2562 | case scm_tc7_uvect: |
2563 | return SCM_MAKINUM (1L); | |
2564 | case scm_tc7_ivect: | |
2565 | return SCM_MAKINUM (-1L); | |
2566 | case scm_tc7_svect: | |
38ae064c | 2567 | return scm_str2symbol ("s"); |
5c11cc9d | 2568 | #ifdef HAVE_LONG_LONGS |
0f2d19dd | 2569 | case scm_tc7_llvect: |
38ae064c | 2570 | return scm_str2symbol ("l"); |
0f2d19dd | 2571 | #endif |
0f2d19dd | 2572 | case scm_tc7_fvect: |
bc86da5d | 2573 | return scm_make_real (1.0); |
0f2d19dd | 2574 | case scm_tc7_dvect: |
bc86da5d | 2575 | return scm_make_real (1.0 / 3.0); |
0f2d19dd | 2576 | case scm_tc7_cvect: |
bc86da5d | 2577 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2578 | } |
2579 | } | |
1bbd0b84 | 2580 | #undef FUNC_NAME |
0f2d19dd | 2581 | |
1cc91f1b | 2582 | |
0f2d19dd | 2583 | static SCM |
e841c3e0 | 2584 | array_mark (SCM ptr) |
0f2d19dd | 2585 | { |
0f2d19dd JB |
2586 | return SCM_ARRAY_V (ptr); |
2587 | } | |
2588 | ||
1cc91f1b | 2589 | |
1be6b49c | 2590 | static size_t |
e841c3e0 | 2591 | array_free (SCM ptr) |
0f2d19dd | 2592 | { |
4c9419ac MV |
2593 | scm_gc_free (SCM_ARRAY_MEM (ptr), |
2594 | (sizeof (scm_t_array) | |
2595 | + SCM_ARRAY_NDIM (ptr) * sizeof (scm_t_array_dim)), | |
2596 | "array"); | |
2597 | return 0; | |
0f2d19dd JB |
2598 | } |
2599 | ||
0f2d19dd JB |
2600 | void |
2601 | scm_init_unif () | |
0f2d19dd | 2602 | { |
e841c3e0 KN |
2603 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2604 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2605 | scm_set_smob_free (scm_tc16_array, array_free); | |
2606 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2607 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
0f2d19dd | 2608 | scm_add_feature ("array"); |
a0599745 | 2609 | #include "libguile/unif.x" |
0f2d19dd | 2610 | } |
89e00824 ML |
2611 | |
2612 | /* | |
2613 | Local Variables: | |
2614 | c-file-style: "gnu" | |
2615 | End: | |
2616 | */ |