Commit | Line | Data |
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18e2aba3 | 1 | /* Copyright (C) 1995,1996,1997,1998,2000,2001,2002,2003,2004 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library 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 GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | */ | |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
c209c88e GB |
19 | /* |
20 | This file has code for arrays in lots of variants (double, integer, | |
21 | unsigned etc. ). It suffers from hugely repetitive code because | |
22 | there is similar (but different) code for every variant included. (urg.) | |
23 | ||
24 | --hwn | |
25 | */ | |
0f2d19dd JB |
26 | \f |
27 | ||
2a5cd898 RB |
28 | #if HAVE_CONFIG_H |
29 | # include <config.h> | |
30 | #endif | |
31 | ||
0f2d19dd | 32 | #include <stdio.h> |
e6e2e95a | 33 | #include <errno.h> |
783e7774 | 34 | #include <string.h> |
e6e2e95a | 35 | |
a0599745 MD |
36 | #include "libguile/_scm.h" |
37 | #include "libguile/chars.h" | |
38 | #include "libguile/eval.h" | |
39 | #include "libguile/fports.h" | |
40 | #include "libguile/smob.h" | |
41 | #include "libguile/strop.h" | |
42 | #include "libguile/feature.h" | |
43 | #include "libguile/root.h" | |
44 | #include "libguile/strings.h" | |
45 | #include "libguile/vectors.h" | |
46 | ||
47 | #include "libguile/validate.h" | |
48 | #include "libguile/unif.h" | |
49 | #include "libguile/ramap.h" | |
0f2d19dd | 50 | |
3d8d56df GH |
51 | #ifdef HAVE_UNISTD_H |
52 | #include <unistd.h> | |
53 | #endif | |
54 | ||
7beabedb MG |
55 | #ifdef HAVE_IO_H |
56 | #include <io.h> | |
57 | #endif | |
58 | ||
0f2d19dd JB |
59 | \f |
60 | /* The set of uniform scm_vector types is: | |
61 | * Vector of: Called: | |
62 | * unsigned char string | |
63 | * char byvect | |
64 | * boolean bvect | |
a515d287 MD |
65 | * signed long ivect |
66 | * unsigned long uvect | |
0f2d19dd JB |
67 | * float fvect |
68 | * double dvect | |
69 | * complex double cvect | |
70 | * short svect | |
5c11cc9d | 71 | * long long llvect |
0f2d19dd JB |
72 | */ |
73 | ||
92c2555f | 74 | scm_t_bits scm_tc16_array; |
7c183c95 | 75 | static SCM exactly_one_third; |
0f2d19dd | 76 | |
afe5177e GH |
77 | /* return the size of an element in a uniform array or 0 if type not |
78 | found. */ | |
1be6b49c | 79 | size_t |
afe5177e | 80 | scm_uniform_element_size (SCM obj) |
0f2d19dd | 81 | { |
1be6b49c | 82 | size_t result; |
0f2d19dd | 83 | |
afe5177e | 84 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 85 | { |
0f2d19dd | 86 | case scm_tc7_bvect: |
0f2d19dd JB |
87 | case scm_tc7_uvect: |
88 | case scm_tc7_ivect: | |
afe5177e | 89 | result = sizeof (long); |
0f2d19dd | 90 | break; |
afe5177e | 91 | |
0f2d19dd | 92 | case scm_tc7_byvect: |
afe5177e | 93 | result = sizeof (char); |
0f2d19dd JB |
94 | break; |
95 | ||
96 | case scm_tc7_svect: | |
afe5177e | 97 | result = sizeof (short); |
0f2d19dd | 98 | break; |
afe5177e | 99 | |
2a5cd898 | 100 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 101 | case scm_tc7_llvect: |
1be6b49c | 102 | result = sizeof (long long); |
0f2d19dd JB |
103 | break; |
104 | #endif | |
105 | ||
0f2d19dd | 106 | case scm_tc7_fvect: |
afe5177e | 107 | result = sizeof (float); |
0f2d19dd | 108 | break; |
afe5177e | 109 | |
0f2d19dd | 110 | case scm_tc7_dvect: |
afe5177e | 111 | result = sizeof (double); |
0f2d19dd | 112 | break; |
afe5177e | 113 | |
0f2d19dd | 114 | case scm_tc7_cvect: |
afe5177e | 115 | result = 2 * sizeof (double); |
0f2d19dd | 116 | break; |
afe5177e GH |
117 | |
118 | default: | |
119 | result = 0; | |
0f2d19dd | 120 | } |
afe5177e | 121 | return result; |
0f2d19dd JB |
122 | } |
123 | ||
bc86da5d MD |
124 | /* Silly function used not to modify the semantics of the silly |
125 | * prototype system in order to be backward compatible. | |
126 | */ | |
127 | static int | |
128 | singp (SCM obj) | |
0f2d19dd | 129 | { |
a08b0d00 | 130 | if (!SCM_REALP (obj)) |
bc86da5d MD |
131 | return 0; |
132 | else | |
133 | { | |
134 | double x = SCM_REAL_VALUE (obj); | |
135 | float fx = x; | |
136 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
137 | } | |
0f2d19dd | 138 | } |
1cc91f1b | 139 | |
711a9fd7 MD |
140 | static SCM |
141 | make_uve (long type, long k, size_t size) | |
142 | #define FUNC_NAME "scm_make_uve" | |
143 | { | |
144 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_UVECTOR_MAX_LENGTH); | |
145 | ||
146 | return scm_cell (SCM_MAKE_UVECTOR_TAG (k, type), | |
147 | (scm_t_bits) scm_gc_malloc (k * size, "vector")); | |
148 | } | |
149 | #undef FUNC_NAME | |
150 | ||
0f2d19dd | 151 | SCM |
c014a02e | 152 | scm_make_uve (long k, SCM prot) |
a3a32939 | 153 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd | 154 | { |
9a09deb1 | 155 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd | 156 | { |
93778877 DH |
157 | if (k > 0) |
158 | { | |
711a9fd7 | 159 | long i; |
16d4699b MV |
160 | SCM_ASSERT_RANGE (1, |
161 | scm_long2num (k), k <= SCM_BITVECTOR_MAX_LENGTH); | |
c014a02e | 162 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); |
711a9fd7 MD |
163 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (k), |
164 | (scm_t_bits) scm_gc_malloc (i, "vector")); | |
93778877 DH |
165 | } |
166 | else | |
711a9fd7 | 167 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (0), 0); |
0f2d19dd | 168 | } |
4260a7fc | 169 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
711a9fd7 | 170 | return make_uve (scm_tc7_byvect, k, sizeof (char)); |
7866a09b | 171 | else if (SCM_CHARP (prot)) |
711a9fd7 | 172 | return scm_allocate_string (sizeof (char) * k); |
0f2d19dd | 173 | else if (SCM_INUMP (prot)) |
711a9fd7 MD |
174 | return make_uve (SCM_INUM (prot) > 0 ? scm_tc7_uvect : scm_tc7_ivect, |
175 | k, | |
176 | sizeof (long)); | |
7c183c95 KR |
177 | else if (SCM_FRACTIONP (prot)) |
178 | { | |
179 | if (scm_num_eq_p (exactly_one_third, prot)) | |
180 | goto dvect; | |
181 | } | |
74014c46 | 182 | else if (SCM_SYMBOLP (prot) && (1 == SCM_SYMBOL_LENGTH (prot))) |
0f2d19dd JB |
183 | { |
184 | char s; | |
185 | ||
86c991c2 | 186 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd | 187 | if (s == 's') |
711a9fd7 | 188 | return make_uve (scm_tc7_svect, k, sizeof (short)); |
2a5cd898 | 189 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 190 | else if (s == 'l') |
711a9fd7 | 191 | return make_uve (scm_tc7_llvect, k, sizeof (long long)); |
0f2d19dd JB |
192 | #endif |
193 | else | |
711a9fd7 | 194 | return scm_c_make_vector (k, SCM_UNDEFINED); |
0f2d19dd | 195 | } |
5b9eb8ae | 196 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 197 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d | 198 | /* no special scm_vector */ |
00ffa0e7 | 199 | return scm_c_make_vector (k, SCM_UNDEFINED); |
bc86da5d | 200 | else if (singp (prot)) |
711a9fd7 | 201 | return make_uve (scm_tc7_fvect, k, sizeof (float)); |
eb42e2f0 | 202 | else if (SCM_COMPLEXP (prot)) |
711a9fd7 MD |
203 | return make_uve (scm_tc7_cvect, k, 2 * sizeof (double)); |
204 | dvect: | |
205 | return make_uve (scm_tc7_dvect, k, sizeof (double)); | |
0f2d19dd | 206 | } |
a3a32939 DH |
207 | #undef FUNC_NAME |
208 | ||
3b3b36dd | 209 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1e6808ea MG |
210 | (SCM v), |
211 | "Return the number of elements in @var{uve}.") | |
1bbd0b84 | 212 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
213 | { |
214 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 215 | switch SCM_TYP7 (v) |
0f2d19dd JB |
216 | { |
217 | default: | |
276dd677 | 218 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
74014c46 DH |
219 | case scm_tc7_vector: |
220 | case scm_tc7_wvect: | |
93ccaef0 | 221 | return SCM_I_MAKINUM (SCM_VECTOR_LENGTH (v)); |
0f2d19dd | 222 | case scm_tc7_string: |
93ccaef0 | 223 | return SCM_I_MAKINUM (SCM_STRING_LENGTH (v)); |
74014c46 | 224 | case scm_tc7_bvect: |
93ccaef0 | 225 | return SCM_I_MAKINUM (SCM_BITVECTOR_LENGTH (v)); |
0f2d19dd JB |
226 | case scm_tc7_byvect: |
227 | case scm_tc7_uvect: | |
228 | case scm_tc7_ivect: | |
229 | case scm_tc7_fvect: | |
230 | case scm_tc7_dvect: | |
231 | case scm_tc7_cvect: | |
0f2d19dd | 232 | case scm_tc7_svect: |
2a5cd898 | 233 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
234 | case scm_tc7_llvect: |
235 | #endif | |
93ccaef0 | 236 | return SCM_I_MAKINUM (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
237 | } |
238 | } | |
1bbd0b84 | 239 | #undef FUNC_NAME |
0f2d19dd | 240 | |
3b3b36dd | 241 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 242 | (SCM v, SCM prot), |
1e6808ea MG |
243 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
244 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
245 | "and is described elsewhere.") | |
1bbd0b84 | 246 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
247 | { |
248 | int nprot; | |
249 | int enclosed; | |
250 | nprot = SCM_UNBNDP (prot); | |
251 | enclosed = 0; | |
252 | if (SCM_IMP (v)) | |
253 | return SCM_BOOL_F; | |
c209c88e GB |
254 | |
255 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 256 | { |
0f2d19dd JB |
257 | if (!SCM_ARRAYP (v)) |
258 | return SCM_BOOL_F; | |
259 | if (nprot) | |
260 | return SCM_BOOL_T; | |
261 | if (enclosed++) | |
262 | return SCM_BOOL_F; | |
263 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
264 | } |
265 | if (nprot) | |
7888309b | 266 | return scm_from_bool(nprot); |
c209c88e GB |
267 | else |
268 | { | |
269 | int protp = 0; | |
270 | ||
271 | switch (SCM_TYP7 (v)) | |
272 | { | |
273 | case scm_tc7_bvect: | |
9a09deb1 | 274 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
7c183c95 | 275 | break; |
c209c88e | 276 | case scm_tc7_string: |
4260a7fc | 277 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
7c183c95 | 278 | break; |
c209c88e | 279 | case scm_tc7_byvect: |
4260a7fc | 280 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
7c183c95 | 281 | break; |
c209c88e GB |
282 | case scm_tc7_uvect: |
283 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
7c183c95 | 284 | break; |
c209c88e GB |
285 | case scm_tc7_ivect: |
286 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
7c183c95 | 287 | break; |
c209c88e GB |
288 | case scm_tc7_svect: |
289 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 290 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 291 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
7c183c95 | 292 | break; |
2a5cd898 | 293 | #if SCM_SIZEOF_LONG_LONG != 0 |
c209c88e GB |
294 | case scm_tc7_llvect: |
295 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 296 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
7c183c95 KR |
297 | && ('l' == SCM_SYMBOL_CHARS (prot)[0]); |
298 | break; | |
0f2d19dd | 299 | #endif |
c209c88e | 300 | case scm_tc7_fvect: |
bc86da5d | 301 | protp = singp (prot); |
7c183c95 | 302 | break; |
c209c88e | 303 | case scm_tc7_dvect: |
7c183c95 KR |
304 | protp = ((SCM_REALP(prot) && ! singp (prot)) |
305 | || (SCM_FRACTIONP (prot) | |
306 | && scm_num_eq_p (exactly_one_third, prot))); | |
307 | break; | |
c209c88e | 308 | case scm_tc7_cvect: |
eb42e2f0 | 309 | protp = SCM_COMPLEXP(prot); |
7c183c95 | 310 | break; |
c209c88e GB |
311 | case scm_tc7_vector: |
312 | case scm_tc7_wvect: | |
313 | protp = SCM_NULLP(prot); | |
7c183c95 | 314 | break; |
c209c88e GB |
315 | default: |
316 | /* no default */ | |
317 | ; | |
318 | } | |
7888309b | 319 | return scm_from_bool(protp); |
0f2d19dd | 320 | } |
0f2d19dd | 321 | } |
1bbd0b84 | 322 | #undef FUNC_NAME |
0f2d19dd JB |
323 | |
324 | ||
3b3b36dd | 325 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 326 | (SCM ra), |
1e6808ea MG |
327 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
328 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 329 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
330 | { |
331 | if (SCM_IMP (ra)) | |
1bbd0b84 | 332 | return SCM_INUM0; |
0f2d19dd JB |
333 | switch (SCM_TYP7 (ra)) |
334 | { | |
335 | default: | |
336 | return SCM_INUM0; | |
337 | case scm_tc7_string: | |
338 | case scm_tc7_vector: | |
95f5b0f5 | 339 | case scm_tc7_wvect: |
0f2d19dd JB |
340 | case scm_tc7_byvect: |
341 | case scm_tc7_uvect: | |
342 | case scm_tc7_ivect: | |
343 | case scm_tc7_fvect: | |
344 | case scm_tc7_cvect: | |
345 | case scm_tc7_dvect: | |
2a5cd898 | 346 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
347 | case scm_tc7_llvect: |
348 | #endif | |
349 | case scm_tc7_svect: | |
93ccaef0 | 350 | return SCM_I_MAKINUM (1L); |
0f2d19dd JB |
351 | case scm_tc7_smob: |
352 | if (SCM_ARRAYP (ra)) | |
93ccaef0 | 353 | return SCM_I_MAKINUM (SCM_ARRAY_NDIM (ra)); |
0f2d19dd JB |
354 | return SCM_INUM0; |
355 | } | |
356 | } | |
1bbd0b84 | 357 | #undef FUNC_NAME |
0f2d19dd JB |
358 | |
359 | ||
3b3b36dd | 360 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 361 | (SCM ra), |
b380b885 MD |
362 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
363 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 364 | "@lisp\n" |
b380b885 | 365 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 366 | "@end lisp") |
1bbd0b84 | 367 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
368 | { |
369 | SCM res = SCM_EOL; | |
1be6b49c | 370 | size_t k; |
92c2555f | 371 | scm_t_array_dim *s; |
0f2d19dd | 372 | if (SCM_IMP (ra)) |
1bbd0b84 | 373 | return SCM_BOOL_F; |
0f2d19dd JB |
374 | switch (SCM_TYP7 (ra)) |
375 | { | |
376 | default: | |
377 | return SCM_BOOL_F; | |
378 | case scm_tc7_string: | |
379 | case scm_tc7_vector: | |
95f5b0f5 | 380 | case scm_tc7_wvect: |
0f2d19dd JB |
381 | case scm_tc7_bvect: |
382 | case scm_tc7_byvect: | |
383 | case scm_tc7_uvect: | |
384 | case scm_tc7_ivect: | |
385 | case scm_tc7_fvect: | |
386 | case scm_tc7_cvect: | |
387 | case scm_tc7_dvect: | |
388 | case scm_tc7_svect: | |
2a5cd898 | 389 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
390 | case scm_tc7_llvect: |
391 | #endif | |
74014c46 | 392 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
393 | case scm_tc7_smob: |
394 | if (!SCM_ARRAYP (ra)) | |
395 | return SCM_BOOL_F; | |
396 | k = SCM_ARRAY_NDIM (ra); | |
397 | s = SCM_ARRAY_DIMS (ra); | |
398 | while (k--) | |
e2d37336 | 399 | res = scm_cons (s[k].lbnd |
93ccaef0 MV |
400 | ? scm_cons2 (SCM_I_MAKINUM (s[k].lbnd), |
401 | SCM_I_MAKINUM (s[k].ubnd), | |
e2d37336 | 402 | SCM_EOL) |
93ccaef0 | 403 | : SCM_I_MAKINUM (1 + s[k].ubnd), |
e2d37336 | 404 | res); |
0f2d19dd JB |
405 | return res; |
406 | } | |
407 | } | |
1bbd0b84 | 408 | #undef FUNC_NAME |
0f2d19dd JB |
409 | |
410 | ||
e2d37336 MD |
411 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
412 | (SCM ra), | |
413 | "Return the root vector of a shared array.") | |
414 | #define FUNC_NAME s_scm_shared_array_root | |
415 | { | |
416 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
417 | return SCM_ARRAY_V (ra); | |
418 | } | |
419 | #undef FUNC_NAME | |
420 | ||
421 | ||
422 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
423 | (SCM ra), | |
424 | "Return the root vector index of the first element in the array.") | |
425 | #define FUNC_NAME s_scm_shared_array_offset | |
426 | { | |
427 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
93ccaef0 | 428 | return SCM_I_MAKINUM (SCM_ARRAY_BASE (ra)); |
e2d37336 MD |
429 | } |
430 | #undef FUNC_NAME | |
431 | ||
432 | ||
433 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
434 | (SCM ra), | |
435 | "For each dimension, return the distance between elements in the root vector.") | |
436 | #define FUNC_NAME s_scm_shared_array_increments | |
437 | { | |
438 | SCM res = SCM_EOL; | |
1be6b49c | 439 | size_t k; |
92c2555f | 440 | scm_t_array_dim *s; |
e2d37336 MD |
441 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
442 | k = SCM_ARRAY_NDIM (ra); | |
443 | s = SCM_ARRAY_DIMS (ra); | |
444 | while (k--) | |
93ccaef0 | 445 | res = scm_cons (SCM_I_MAKINUM (s[k].inc), res); |
e2d37336 MD |
446 | return res; |
447 | } | |
448 | #undef FUNC_NAME | |
449 | ||
450 | ||
0f2d19dd JB |
451 | static char s_bad_ind[] = "Bad scm_array index"; |
452 | ||
1cc91f1b | 453 | |
c014a02e | 454 | long |
1bbd0b84 | 455 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 456 | #define FUNC_NAME what |
0f2d19dd JB |
457 | { |
458 | SCM ind; | |
c014a02e ML |
459 | register long j; |
460 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
461 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
92c2555f | 462 | scm_t_array_dim *s = SCM_ARRAY_DIMS (ra); |
0f2d19dd | 463 | if (SCM_INUMP (args)) |
0f2d19dd | 464 | { |
b3fcac34 DH |
465 | if (k != 1) |
466 | scm_error_num_args_subr (what); | |
0f2d19dd JB |
467 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
468 | } | |
13824149 | 469 | while (k && SCM_CONSP (args)) |
0f2d19dd JB |
470 | { |
471 | ind = SCM_CAR (args); | |
472 | args = SCM_CDR (args); | |
b3fcac34 DH |
473 | if (!SCM_INUMP (ind)) |
474 | scm_misc_error (what, s_bad_ind, SCM_EOL); | |
0f2d19dd | 475 | j = SCM_INUM (ind); |
685c0d71 DH |
476 | if (j < s->lbnd || j > s->ubnd) |
477 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
478 | pos += (j - s->lbnd) * (s->inc); |
479 | k--; | |
480 | s++; | |
481 | } | |
b3fcac34 DH |
482 | if (k != 0 || !SCM_NULLP (args)) |
483 | scm_error_num_args_subr (what); | |
484 | ||
0f2d19dd JB |
485 | return pos; |
486 | } | |
b3fcac34 | 487 | #undef FUNC_NAME |
0f2d19dd | 488 | |
1cc91f1b | 489 | |
0f2d19dd | 490 | SCM |
1bbd0b84 | 491 | scm_make_ra (int ndim) |
0f2d19dd JB |
492 | { |
493 | SCM ra; | |
0f2d19dd | 494 | SCM_DEFER_INTS; |
92c2555f | 495 | SCM_NEWSMOB(ra, ((scm_t_bits) ndim << 17) + scm_tc16_array, |
4c9419ac MV |
496 | scm_gc_malloc ((sizeof (scm_t_array) + |
497 | ndim * sizeof (scm_t_array_dim)), | |
498 | "array")); | |
0f2d19dd JB |
499 | SCM_ARRAY_V (ra) = scm_nullvect; |
500 | SCM_ALLOW_INTS; | |
501 | return ra; | |
502 | } | |
503 | ||
504 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
505 | /* Increments will still need to be set. */ | |
506 | ||
1cc91f1b | 507 | |
0f2d19dd | 508 | SCM |
1bbd0b84 | 509 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 510 | { |
92c2555f | 511 | scm_t_array_dim *s; |
0f2d19dd JB |
512 | SCM ra, spec, sp; |
513 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
514 | if (ndim < 0) |
515 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
516 | ||
0f2d19dd JB |
517 | ra = scm_make_ra (ndim); |
518 | SCM_ARRAY_BASE (ra) = 0; | |
519 | s = SCM_ARRAY_DIMS (ra); | |
a3a32939 | 520 | for (; !SCM_NULLP (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
521 | { |
522 | spec = SCM_CAR (args); | |
a3a32939 | 523 | if (SCM_INUMP (spec)) |
0f2d19dd | 524 | { |
b3fcac34 DH |
525 | if (SCM_INUM (spec) < 0) |
526 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
527 | s->lbnd = 0; |
528 | s->ubnd = SCM_INUM (spec) - 1; | |
529 | s->inc = 1; | |
530 | } | |
531 | else | |
532 | { | |
b3fcac34 DH |
533 | if (!SCM_CONSP (spec) || !SCM_INUMP (SCM_CAR (spec))) |
534 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
535 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
536 | sp = SCM_CDR (spec); | |
b3fcac34 DH |
537 | if (!SCM_CONSP (sp) |
538 | || !SCM_INUMP (SCM_CAR (sp)) | |
539 | || !SCM_NULLP (SCM_CDR (sp))) | |
540 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
541 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
542 | s->inc = 1; | |
543 | } | |
544 | } | |
545 | return ra; | |
546 | } | |
547 | ||
3b3b36dd | 548 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 549 | (SCM dims, SCM prot, SCM fill), |
8f85c0c6 | 550 | "@deffnx {Scheme Procedure} make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
551 | "Create and return a uniform array or vector of type\n" |
552 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
553 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
554 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 555 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 556 | { |
1be6b49c | 557 | size_t k; |
c014a02e | 558 | unsigned long rlen = 1; |
92c2555f | 559 | scm_t_array_dim *s; |
0f2d19dd | 560 | SCM ra; |
1be6b49c | 561 | |
0f2d19dd | 562 | if (SCM_INUMP (dims)) |
cda139a7 | 563 | { |
5b9eb8ae | 564 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
a3a32939 DH |
565 | if (!SCM_UNBNDP (fill)) |
566 | scm_array_fill_x (answer, fill); | |
567 | else if (SCM_SYMBOLP (prot)) | |
93ccaef0 | 568 | scm_array_fill_x (answer, SCM_I_MAKINUM (0)); |
a3a32939 DH |
569 | else |
570 | scm_array_fill_x (answer, prot); | |
571 | return answer; | |
cda139a7 | 572 | } |
1be6b49c | 573 | |
0c95b57d GB |
574 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
575 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 576 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 577 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
578 | s = SCM_ARRAY_DIMS (ra); |
579 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 580 | |
0f2d19dd JB |
581 | while (k--) |
582 | { | |
a3a32939 DH |
583 | s[k].inc = rlen; |
584 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 585 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 586 | } |
a3a32939 | 587 | |
a3a32939 DH |
588 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
589 | ||
5c11cc9d | 590 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 591 | scm_array_fill_x (ra, fill); |
0c95b57d | 592 | else if (SCM_SYMBOLP (prot)) |
93ccaef0 | 593 | scm_array_fill_x (ra, SCM_I_MAKINUM (0)); |
0f2d19dd JB |
594 | else |
595 | scm_array_fill_x (ra, prot); | |
a3a32939 | 596 | |
0f2d19dd | 597 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 598 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
599 | return SCM_ARRAY_V (ra); |
600 | return ra; | |
601 | } | |
1bbd0b84 | 602 | #undef FUNC_NAME |
0f2d19dd | 603 | |
1cc91f1b | 604 | |
0f2d19dd | 605 | void |
1bbd0b84 | 606 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 607 | { |
1be6b49c | 608 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 609 | if (k) |
0f2d19dd | 610 | { |
c014a02e | 611 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 612 | while (k--) |
0f2d19dd | 613 | { |
fe0c6dae JB |
614 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
615 | { | |
e038c042 | 616 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
617 | return; |
618 | } | |
619 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
620 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 621 | } |
0f2d19dd | 622 | } |
e038c042 | 623 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
624 | } |
625 | ||
626 | ||
3b3b36dd | 627 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 628 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
629 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
630 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
631 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
632 | "linear, and its range must stay within the bounds of the old array, but\n" | |
633 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 634 | "@lisp\n" |
b380b885 MD |
635 | "(define fred (make-array #f 8 8))\n" |
636 | "(define freds-diagonal\n" | |
637 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
638 | "(array-set! freds-diagonal 'foo 3)\n" | |
639 | "(array-ref fred 3 3) @result{} foo\n" | |
640 | "(define freds-center\n" | |
641 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
642 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 643 | "@end lisp") |
1bbd0b84 | 644 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
645 | { |
646 | SCM ra; | |
647 | SCM inds, indptr; | |
648 | SCM imap; | |
c014a02e ML |
649 | size_t k, i; |
650 | long old_min, new_min, old_max, new_max; | |
92c2555f | 651 | scm_t_array_dim *s; |
b3fcac34 DH |
652 | |
653 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
34d19ef6 HWN |
654 | SCM_VALIDATE_ARRAY (1, oldra); |
655 | SCM_VALIDATE_PROC (2, mapfunc); | |
1bbd0b84 | 656 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
657 | if (SCM_ARRAYP (oldra)) |
658 | { | |
659 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
660 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
661 | s = SCM_ARRAY_DIMS (oldra); | |
662 | k = SCM_ARRAY_NDIM (oldra); | |
663 | while (k--) | |
664 | { | |
665 | if (s[k].inc > 0) | |
666 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
667 | else | |
668 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
669 | } | |
670 | } | |
671 | else | |
672 | { | |
673 | SCM_ARRAY_V (ra) = oldra; | |
674 | old_min = 0; | |
74014c46 | 675 | old_max = SCM_INUM (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
676 | } |
677 | inds = SCM_EOL; | |
678 | s = SCM_ARRAY_DIMS (ra); | |
679 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
680 | { | |
93ccaef0 | 681 | inds = scm_cons (SCM_I_MAKINUM (s[k].lbnd), inds); |
0f2d19dd JB |
682 | if (s[k].ubnd < s[k].lbnd) |
683 | { | |
684 | if (1 == SCM_ARRAY_NDIM (ra)) | |
685 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
686 | else | |
687 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
688 | return ra; | |
689 | } | |
690 | } | |
fdc28395 | 691 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd | 692 | if (SCM_ARRAYP (oldra)) |
c014a02e | 693 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
694 | else |
695 | { | |
696 | if (SCM_NINUMP (imap)) | |
697 | ||
698 | { | |
b3fcac34 DH |
699 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
700 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
701 | imap = SCM_CAR (imap); |
702 | } | |
703 | i = SCM_INUM (imap); | |
704 | } | |
705 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
706 | indptr = inds; | |
707 | k = SCM_ARRAY_NDIM (ra); | |
708 | while (k--) | |
709 | { | |
710 | if (s[k].ubnd > s[k].lbnd) | |
711 | { | |
93ccaef0 | 712 | SCM_SETCAR (indptr, SCM_I_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
fdc28395 | 713 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd JB |
714 | if (SCM_ARRAYP (oldra)) |
715 | ||
1bbd0b84 | 716 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
717 | else |
718 | { | |
719 | if (SCM_NINUMP (imap)) | |
0f2d19dd | 720 | { |
b3fcac34 DH |
721 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
722 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
723 | imap = SCM_CAR (imap); |
724 | } | |
725 | s[k].inc = (long) SCM_INUM (imap) - i; | |
726 | } | |
727 | i += s[k].inc; | |
728 | if (s[k].inc > 0) | |
729 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
730 | else | |
731 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
732 | } | |
733 | else | |
734 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
735 | indptr = SCM_CDR (indptr); | |
736 | } | |
b3fcac34 DH |
737 | if (old_min > new_min || old_max < new_max) |
738 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
739 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
740 | { | |
74014c46 | 741 | SCM v = SCM_ARRAY_V (ra); |
c014a02e | 742 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
743 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
744 | return v; | |
0f2d19dd JB |
745 | if (s->ubnd < s->lbnd) |
746 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
747 | } | |
748 | scm_ra_set_contp (ra); | |
749 | return ra; | |
750 | } | |
1bbd0b84 | 751 | #undef FUNC_NAME |
0f2d19dd JB |
752 | |
753 | ||
754 | /* args are RA . DIMS */ | |
af45e3b0 DH |
755 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
756 | (SCM ra, SCM args), | |
1e6808ea MG |
757 | "Return an array sharing contents with @var{array}, but with\n" |
758 | "dimensions arranged in a different order. There must be one\n" | |
759 | "@var{dim} argument for each dimension of @var{array}.\n" | |
760 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
761 | "and the rank of the array to be returned. Each integer in that\n" | |
762 | "range must appear at least once in the argument list.\n" | |
763 | "\n" | |
764 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
765 | "dimensions in the array to be returned, their positions in the\n" | |
766 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
767 | "may have the same value, in which case the returned array will\n" | |
768 | "have smaller rank than @var{array}.\n" | |
769 | "\n" | |
770 | "@lisp\n" | |
b380b885 MD |
771 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
772 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
773 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
774 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 775 | "@end lisp") |
1bbd0b84 | 776 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 777 | { |
34d19ef6 HWN |
778 | SCM res, vargs; |
779 | SCM const *ve = &vargs; | |
92c2555f | 780 | scm_t_array_dim *s, *r; |
0f2d19dd | 781 | int ndim, i, k; |
af45e3b0 | 782 | |
b3fcac34 | 783 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 784 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 785 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
786 | { |
787 | default: | |
276dd677 | 788 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
789 | case scm_tc7_bvect: |
790 | case scm_tc7_string: | |
791 | case scm_tc7_byvect: | |
792 | case scm_tc7_uvect: | |
793 | case scm_tc7_ivect: | |
794 | case scm_tc7_fvect: | |
795 | case scm_tc7_dvect: | |
796 | case scm_tc7_cvect: | |
797 | case scm_tc7_svect: | |
2a5cd898 | 798 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
799 | case scm_tc7_llvect: |
800 | #endif | |
b3fcac34 DH |
801 | if (SCM_NULLP (args) || !SCM_NULLP (SCM_CDR (args))) |
802 | SCM_WRONG_NUM_ARGS (); | |
a55c2b68 MV |
803 | SCM_VALIDATE_INT_COPY (SCM_ARG2, SCM_CAR (args), i); |
804 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), i == 0); | |
0f2d19dd JB |
805 | return ra; |
806 | case scm_tc7_smob: | |
807 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
808 | vargs = scm_vector (args); | |
b3fcac34 DH |
809 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
810 | SCM_WRONG_NUM_ARGS (); | |
811 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
812 | ndim = 0; |
813 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
814 | { | |
20a54673 | 815 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 816 | FUNC_NAME); |
0f2d19dd | 817 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
818 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
819 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
820 | if (ndim < i) |
821 | ndim = i; | |
822 | } | |
823 | ndim++; | |
824 | res = scm_make_ra (ndim); | |
825 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
826 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
827 | for (k = ndim; k--;) | |
828 | { | |
829 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
830 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
831 | } | |
832 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
833 | { | |
834 | i = SCM_INUM (ve[k]); | |
835 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
836 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
837 | if (r->ubnd < r->lbnd) | |
838 | { | |
839 | r->lbnd = s->lbnd; | |
840 | r->ubnd = s->ubnd; | |
841 | r->inc = s->inc; | |
842 | ndim--; | |
843 | } | |
844 | else | |
845 | { | |
846 | if (r->ubnd > s->ubnd) | |
847 | r->ubnd = s->ubnd; | |
848 | if (r->lbnd < s->lbnd) | |
849 | { | |
850 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
851 | r->lbnd = s->lbnd; | |
852 | } | |
853 | r->inc += s->inc; | |
854 | } | |
855 | } | |
b3fcac34 DH |
856 | if (ndim > 0) |
857 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
858 | scm_ra_set_contp (res); |
859 | return res; | |
860 | } | |
861 | } | |
1bbd0b84 | 862 | #undef FUNC_NAME |
0f2d19dd JB |
863 | |
864 | /* args are RA . AXES */ | |
af45e3b0 DH |
865 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
866 | (SCM ra, SCM axes), | |
b380b885 MD |
867 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
868 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
869 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
870 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
871 | "the dimensions of the outer array are the same as those of the original\n" | |
872 | "array that did not match a @var{dim}.\n\n" | |
873 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
874 | "be set using @code{array-set!}. Two references to the same element of\n" | |
875 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
876 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
877 | "enclosed array is unspecified.\n\n" | |
878 | "examples:\n" | |
1e6808ea | 879 | "@lisp\n" |
b380b885 MD |
880 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
881 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
882 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
883 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 884 | "@end lisp") |
1bbd0b84 | 885 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 886 | { |
af45e3b0 | 887 | SCM axv, res, ra_inr; |
92c2555f | 888 | scm_t_array_dim vdim, *s = &vdim; |
0f2d19dd | 889 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 890 | |
b3fcac34 | 891 | SCM_VALIDATE_REST_ARGUMENT (axes); |
0f2d19dd | 892 | if (SCM_NULLP (axes)) |
93ccaef0 | 893 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_I_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
0f2d19dd | 894 | ninr = scm_ilength (axes); |
b3fcac34 DH |
895 | if (ninr < 0) |
896 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
897 | ra_inr = scm_make_ra (ninr); |
898 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 899 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
900 | { |
901 | default: | |
276dd677 | 902 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
903 | case scm_tc7_string: |
904 | case scm_tc7_bvect: | |
905 | case scm_tc7_byvect: | |
906 | case scm_tc7_uvect: | |
907 | case scm_tc7_ivect: | |
908 | case scm_tc7_fvect: | |
909 | case scm_tc7_dvect: | |
910 | case scm_tc7_cvect: | |
911 | case scm_tc7_vector: | |
95f5b0f5 | 912 | case scm_tc7_wvect: |
0f2d19dd | 913 | case scm_tc7_svect: |
2a5cd898 | 914 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
915 | case scm_tc7_llvect: |
916 | #endif | |
917 | s->lbnd = 0; | |
74014c46 | 918 | s->ubnd = SCM_INUM (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
919 | s->inc = 1; |
920 | SCM_ARRAY_V (ra_inr) = ra; | |
921 | SCM_ARRAY_BASE (ra_inr) = 0; | |
922 | ndim = 1; | |
923 | break; | |
924 | case scm_tc7_smob: | |
925 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
926 | s = SCM_ARRAY_DIMS (ra); | |
927 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
928 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
929 | ndim = SCM_ARRAY_NDIM (ra); | |
930 | break; | |
931 | } | |
932 | noutr = ndim - ninr; | |
b3fcac34 DH |
933 | if (noutr < 0) |
934 | SCM_WRONG_NUM_ARGS (); | |
93ccaef0 | 935 | axv = scm_make_string (SCM_I_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
936 | res = scm_make_ra (noutr); |
937 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
938 | SCM_ARRAY_V (res) = ra_inr; | |
939 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
940 | { | |
b3fcac34 DH |
941 | if (!SCM_INUMP (SCM_CAR (axes))) |
942 | SCM_MISC_ERROR ("bad axis", SCM_EOL); | |
0f2d19dd JB |
943 | j = SCM_INUM (SCM_CAR (axes)); |
944 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
945 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
946 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 947 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
948 | } |
949 | for (j = 0, k = 0; k < noutr; k++, j++) | |
950 | { | |
405aaef9 | 951 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
952 | j++; |
953 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
954 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
955 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
956 | } | |
957 | scm_ra_set_contp (ra_inr); | |
958 | scm_ra_set_contp (res); | |
959 | return res; | |
960 | } | |
1bbd0b84 | 961 | #undef FUNC_NAME |
0f2d19dd JB |
962 | |
963 | ||
964 | ||
af45e3b0 DH |
965 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
966 | (SCM v, SCM args), | |
1e6808ea MG |
967 | "Return @code{#t} if its arguments would be acceptable to\n" |
968 | "@code{array-ref}.") | |
1bbd0b84 | 969 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 970 | { |
af45e3b0 | 971 | SCM ind = SCM_EOL; |
c014a02e | 972 | long pos = 0; |
1be6b49c | 973 | register size_t k; |
c014a02e | 974 | register long j; |
92c2555f | 975 | scm_t_array_dim *s; |
af45e3b0 | 976 | |
b3fcac34 | 977 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
978 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
979 | if (SCM_NIMP (args)) | |
980 | ||
981 | { | |
982 | ind = SCM_CAR (args); | |
983 | args = SCM_CDR (args); | |
1bbd0b84 | 984 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
985 | pos = SCM_INUM (ind); |
986 | } | |
987 | tail: | |
74014c46 | 988 | switch SCM_TYP7 (v) |
0f2d19dd JB |
989 | { |
990 | default: | |
276dd677 | 991 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 992 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
993 | case scm_tc7_smob: |
994 | k = SCM_ARRAY_NDIM (v); | |
995 | s = SCM_ARRAY_DIMS (v); | |
996 | pos = SCM_ARRAY_BASE (v); | |
997 | if (!k) | |
998 | { | |
999 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1000 | ind = SCM_INUM0; | |
1001 | } | |
1002 | else | |
1003 | while (!0) | |
1004 | { | |
1005 | j = SCM_INUM (ind); | |
1006 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1007 | { | |
1008 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1009 | return SCM_BOOL_F; | |
1010 | } | |
1011 | pos += (j - s->lbnd) * (s->inc); | |
1012 | if (!(--k && SCM_NIMP (args))) | |
1013 | break; | |
1014 | ind = SCM_CAR (args); | |
1015 | args = SCM_CDR (args); | |
1016 | s++; | |
b3fcac34 DH |
1017 | if (!SCM_INUMP (ind)) |
1018 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
1019 | } |
1020 | SCM_ASRTGO (0 == k, wna); | |
1021 | v = SCM_ARRAY_V (v); | |
1022 | goto tail; | |
1023 | case scm_tc7_bvect: | |
1024 | case scm_tc7_string: | |
1025 | case scm_tc7_byvect: | |
1026 | case scm_tc7_uvect: | |
1027 | case scm_tc7_ivect: | |
1028 | case scm_tc7_fvect: | |
1029 | case scm_tc7_dvect: | |
1030 | case scm_tc7_cvect: | |
1031 | case scm_tc7_svect: | |
2a5cd898 | 1032 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1033 | case scm_tc7_llvect: |
1034 | #endif | |
1035 | case scm_tc7_vector: | |
95f5b0f5 | 1036 | case scm_tc7_wvect: |
74014c46 | 1037 | { |
c014a02e | 1038 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 | 1039 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
7888309b | 1040 | return scm_from_bool(pos >= 0 && pos < length); |
74014c46 | 1041 | } |
0f2d19dd JB |
1042 | } |
1043 | } | |
1bbd0b84 | 1044 | #undef FUNC_NAME |
0f2d19dd JB |
1045 | |
1046 | ||
1bbd0b84 | 1047 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1048 | |
1bbd0b84 | 1049 | |
3b3b36dd | 1050 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1051 | (SCM v, SCM args), |
8f85c0c6 | 1052 | "@deffnx {Scheme Procedure} array-ref v . args\n" |
1e6808ea MG |
1053 | "Return the element at the @code{(index1, index2)} element in\n" |
1054 | "@var{array}.") | |
1bbd0b84 | 1055 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd | 1056 | { |
c014a02e | 1057 | long pos; |
0f2d19dd | 1058 | |
35de7ebe | 1059 | if (SCM_IMP (v)) |
0f2d19dd JB |
1060 | { |
1061 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1062 | return v; | |
1063 | } | |
1064 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1065 | { |
1bbd0b84 | 1066 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1067 | v = SCM_ARRAY_V (v); |
1068 | } | |
1069 | else | |
1070 | { | |
c014a02e | 1071 | unsigned long int length; |
0f2d19dd | 1072 | if (SCM_NIMP (args)) |
0f2d19dd | 1073 | { |
1bbd0b84 | 1074 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1075 | pos = SCM_INUM (SCM_CAR (args)); |
1076 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1077 | } | |
1078 | else | |
1079 | { | |
a55c2b68 | 1080 | pos = scm_to_long (args); |
0f2d19dd | 1081 | } |
74014c46 DH |
1082 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1083 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd | 1084 | } |
74014c46 | 1085 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1086 | { |
1087 | default: | |
1088 | if (SCM_NULLP (args)) | |
1089 | return v; | |
35de7ebe | 1090 | badarg: |
276dd677 DH |
1091 | SCM_WRONG_TYPE_ARG (1, v); |
1092 | /* not reached */ | |
c209c88e GB |
1093 | |
1094 | outrng: | |
93ccaef0 | 1095 | scm_out_of_range (FUNC_NAME, SCM_I_MAKINUM (pos)); |
c209c88e | 1096 | wna: |
b3fcac34 | 1097 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1098 | case scm_tc7_smob: |
1099 | { /* enclosed */ | |
1100 | int k = SCM_ARRAY_NDIM (v); | |
1101 | SCM res = scm_make_ra (k); | |
1102 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1103 | SCM_ARRAY_BASE (res) = pos; | |
1104 | while (k--) | |
1105 | { | |
1106 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1107 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1108 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1109 | } | |
1110 | return res; | |
1111 | } | |
1112 | case scm_tc7_bvect: | |
c209c88e | 1113 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1114 | return SCM_BOOL_T; |
1115 | else | |
1116 | return SCM_BOOL_F; | |
1117 | case scm_tc7_string: | |
322ac0c5 | 1118 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1119 | case scm_tc7_byvect: |
93ccaef0 | 1120 | return SCM_I_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1121 | case scm_tc7_uvect: |
fee7ef83 | 1122 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1123 | case scm_tc7_ivect: |
1be6b49c | 1124 | return scm_long2num (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1125 | |
1126 | case scm_tc7_svect: | |
93ccaef0 | 1127 | return SCM_I_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1128 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1129 | case scm_tc7_llvect: |
1be6b49c | 1130 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1131 | #endif |
1132 | ||
0f2d19dd | 1133 | case scm_tc7_fvect: |
4260a7fc | 1134 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1135 | case scm_tc7_dvect: |
4260a7fc | 1136 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1137 | case scm_tc7_cvect: |
4260a7fc DH |
1138 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1139 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1140 | case scm_tc7_vector: |
95f5b0f5 | 1141 | case scm_tc7_wvect: |
0f2d19dd JB |
1142 | return SCM_VELTS (v)[pos]; |
1143 | } | |
1144 | } | |
1bbd0b84 | 1145 | #undef FUNC_NAME |
0f2d19dd JB |
1146 | |
1147 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1148 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1149 | |
0f2d19dd | 1150 | SCM |
c014a02e | 1151 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1152 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1153 | { |
5c11cc9d | 1154 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1155 | { |
1156 | default: | |
db4b4ca6 | 1157 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1158 | case scm_tc7_bvect: |
34d19ef6 | 1159 | if (SCM_BITVEC_REF(v, pos)) |
0f2d19dd JB |
1160 | return SCM_BOOL_T; |
1161 | else | |
1162 | return SCM_BOOL_F; | |
1163 | case scm_tc7_string: | |
322ac0c5 | 1164 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1165 | case scm_tc7_byvect: |
93ccaef0 | 1166 | return SCM_I_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1167 | case scm_tc7_uvect: |
fee7ef83 | 1168 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1169 | case scm_tc7_ivect: |
fee7ef83 | 1170 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1171 | case scm_tc7_svect: |
93ccaef0 | 1172 | return SCM_I_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1173 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1174 | case scm_tc7_llvect: |
1be6b49c | 1175 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1176 | #endif |
0f2d19dd | 1177 | case scm_tc7_fvect: |
3ea39242 | 1178 | if (SCM_REALP (last) && !SCM_EQ_P (last, scm_flo0)) |
0f2d19dd | 1179 | { |
4260a7fc | 1180 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1181 | return last; |
1182 | } | |
4260a7fc | 1183 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1184 | case scm_tc7_dvect: |
3ea39242 | 1185 | if (SCM_REALP (last) && !SCM_EQ_P (last, scm_flo0)) |
0f2d19dd | 1186 | { |
4260a7fc | 1187 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1188 | return last; |
1189 | } | |
4260a7fc | 1190 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1191 | case scm_tc7_cvect: |
3ea39242 | 1192 | if (SCM_COMPLEXP (last)) |
0f2d19dd | 1193 | { |
4260a7fc DH |
1194 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1195 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1196 | return last; |
1197 | } | |
4260a7fc DH |
1198 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1199 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1200 | case scm_tc7_vector: |
95f5b0f5 | 1201 | case scm_tc7_wvect: |
0f2d19dd JB |
1202 | return SCM_VELTS (v)[pos]; |
1203 | case scm_tc7_smob: | |
1204 | { /* enclosed scm_array */ | |
1205 | int k = SCM_ARRAY_NDIM (v); | |
1206 | SCM res = scm_make_ra (k); | |
1207 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1208 | SCM_ARRAY_BASE (res) = pos; | |
1209 | while (k--) | |
1210 | { | |
1211 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1212 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1213 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1214 | } | |
1215 | return res; | |
1216 | } | |
1217 | } | |
1218 | } | |
db4b4ca6 DH |
1219 | #undef FUNC_NAME |
1220 | ||
0f2d19dd | 1221 | |
1bbd0b84 GB |
1222 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1223 | ||
1cc91f1b | 1224 | |
0aa0871f GH |
1225 | /* Note that args may be a list or an immediate object, depending which |
1226 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1227 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1228 | (SCM v, SCM obj, SCM args), |
8f85c0c6 NJ |
1229 | "@deffnx {Scheme Procedure} uniform-array-set1! v obj args\n" |
1230 | "Set the element at the @code{(index1, index2)} element in @var{array} to\n" | |
b380b885 | 1231 | "@var{new-value}. The value returned by array-set! is unspecified.") |
1bbd0b84 | 1232 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1233 | { |
c014a02e | 1234 | long pos = 0; |
b3fcac34 | 1235 | |
0f2d19dd JB |
1236 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1237 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1238 | { |
1bbd0b84 | 1239 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1240 | v = SCM_ARRAY_V (v); |
1241 | } | |
1242 | else | |
1243 | { | |
c014a02e | 1244 | unsigned long int length; |
9a97e362 | 1245 | if (SCM_CONSP (args)) |
0f2d19dd | 1246 | { |
9a97e362 | 1247 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), args, SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1248 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1249 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1250 | } |
1251 | else | |
1252 | { | |
a55c2b68 | 1253 | pos = scm_to_long (args); |
0f2d19dd | 1254 | } |
74014c46 DH |
1255 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1256 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd JB |
1257 | } |
1258 | switch (SCM_TYP7 (v)) | |
1259 | { | |
35de7ebe | 1260 | default: badarg1: |
276dd677 DH |
1261 | SCM_WRONG_TYPE_ARG (1, v); |
1262 | /* not reached */ | |
c209c88e | 1263 | outrng: |
93ccaef0 | 1264 | scm_out_of_range (FUNC_NAME, SCM_I_MAKINUM (pos)); |
c209c88e | 1265 | wna: |
b3fcac34 | 1266 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1267 | case scm_tc7_smob: /* enclosed */ |
1268 | goto badarg1; | |
1269 | case scm_tc7_bvect: | |
7888309b | 1270 | if (scm_is_false (obj)) |
34d19ef6 | 1271 | SCM_BITVEC_CLR(v, pos); |
9a09deb1 | 1272 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
34d19ef6 | 1273 | SCM_BITVEC_SET(v, pos); |
0f2d19dd | 1274 | else |
276dd677 | 1275 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1276 | break; |
1277 | case scm_tc7_string: | |
7866a09b | 1278 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1279 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1280 | break; |
1281 | case scm_tc7_byvect: | |
7866a09b | 1282 | if (SCM_CHARP (obj)) |
93ccaef0 | 1283 | obj = SCM_I_MAKINUM ((char) SCM_CHAR (obj)); |
0aa0871f | 1284 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1285 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1286 | break; |
1bbd0b84 | 1287 | case scm_tc7_uvect: |
729dbac3 DH |
1288 | ((unsigned long *) SCM_UVECTOR_BASE (v))[pos] |
1289 | = scm_num2ulong (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1290 | break; |
1bbd0b84 | 1291 | case scm_tc7_ivect: |
729dbac3 DH |
1292 | ((long *) SCM_UVECTOR_BASE (v))[pos] |
1293 | = scm_num2long (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1294 | break; |
0f2d19dd | 1295 | case scm_tc7_svect: |
0aa0871f | 1296 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
729dbac3 | 1297 | ((short *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1298 | break; |
2a5cd898 | 1299 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1300 | case scm_tc7_llvect: |
729dbac3 DH |
1301 | ((long long *) SCM_UVECTOR_BASE (v))[pos] |
1302 | = scm_num2long_long (obj, SCM_ARG2, FUNC_NAME); | |
0f2d19dd JB |
1303 | break; |
1304 | #endif | |
0f2d19dd | 1305 | case scm_tc7_fvect: |
729dbac3 DH |
1306 | ((float *) SCM_UVECTOR_BASE (v))[pos] |
1307 | = (float) scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd | 1308 | break; |
0f2d19dd | 1309 | case scm_tc7_dvect: |
729dbac3 DH |
1310 | ((double *) SCM_UVECTOR_BASE (v))[pos] |
1311 | = scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd JB |
1312 | break; |
1313 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1314 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1315 | if (SCM_REALP (obj)) { | |
729dbac3 DH |
1316 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_REAL_VALUE (obj); |
1317 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = 0.0; | |
eb42e2f0 | 1318 | } else { |
729dbac3 DH |
1319 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_COMPLEX_REAL (obj); |
1320 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
eb42e2f0 | 1321 | } |
0f2d19dd | 1322 | break; |
0f2d19dd | 1323 | case scm_tc7_vector: |
95f5b0f5 | 1324 | case scm_tc7_wvect: |
34d19ef6 | 1325 | SCM_VECTOR_SET (v, pos, obj); |
0f2d19dd JB |
1326 | break; |
1327 | } | |
1328 | return SCM_UNSPECIFIED; | |
1329 | } | |
1bbd0b84 | 1330 | #undef FUNC_NAME |
0f2d19dd | 1331 | |
1d7bdb25 GH |
1332 | /* attempts to unroll an array into a one-dimensional array. |
1333 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1334 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1335 | wouldn't have contiguous elements. */ |
3b3b36dd | 1336 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1337 | (SCM ra, SCM strict), |
b380b885 MD |
1338 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" |
1339 | "without changing their order (last subscript changing fastest), then\n" | |
1340 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1341 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1342 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1343 | "@var{make-shared-array} may not be.\n\n" | |
1344 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1345 | "be returned only if its elements are stored internally contiguous in\n" | |
1346 | "memory.") | |
1bbd0b84 | 1347 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1348 | { |
1349 | SCM sra; | |
1350 | if (SCM_IMP (ra)) | |
f3667f52 | 1351 | return SCM_BOOL_F; |
5c11cc9d | 1352 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1353 | { |
1354 | default: | |
1355 | return SCM_BOOL_F; | |
1356 | case scm_tc7_vector: | |
95f5b0f5 | 1357 | case scm_tc7_wvect: |
0f2d19dd JB |
1358 | case scm_tc7_string: |
1359 | case scm_tc7_bvect: | |
1360 | case scm_tc7_byvect: | |
1361 | case scm_tc7_uvect: | |
1362 | case scm_tc7_ivect: | |
1363 | case scm_tc7_fvect: | |
1364 | case scm_tc7_dvect: | |
1365 | case scm_tc7_cvect: | |
1366 | case scm_tc7_svect: | |
2a5cd898 | 1367 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1368 | case scm_tc7_llvect: |
1369 | #endif | |
1370 | return ra; | |
1371 | case scm_tc7_smob: | |
1372 | { | |
c014a02e | 1373 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1374 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1375 | return SCM_BOOL_F; | |
1376 | for (k = 0; k < ndim; k++) | |
1377 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1378 | if (!SCM_UNBNDP (strict)) | |
1379 | { | |
0f2d19dd JB |
1380 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1381 | return SCM_BOOL_F; | |
1382 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1383 | { | |
74014c46 | 1384 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1385 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1386 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1387 | return SCM_BOOL_F; |
1388 | } | |
1389 | } | |
74014c46 DH |
1390 | |
1391 | { | |
1392 | SCM v = SCM_ARRAY_V (ra); | |
c014a02e | 1393 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1394 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1395 | return v; | |
1396 | } | |
1397 | ||
0f2d19dd JB |
1398 | sra = scm_make_ra (1); |
1399 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1400 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1401 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1402 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1403 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1404 | return sra; | |
1405 | } | |
1406 | } | |
1407 | } | |
1bbd0b84 | 1408 | #undef FUNC_NAME |
0f2d19dd | 1409 | |
1cc91f1b | 1410 | |
0f2d19dd | 1411 | SCM |
6e8d25a6 | 1412 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1413 | { |
1414 | SCM ret; | |
c014a02e ML |
1415 | long inc = 1; |
1416 | size_t k, len = 1; | |
0f2d19dd JB |
1417 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1418 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1419 | k = SCM_ARRAY_NDIM (ra); | |
1420 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1421 | { | |
74014c46 | 1422 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1423 | return ra; |
74014c46 | 1424 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1425 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1426 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1427 | return ra; |
1428 | } | |
1429 | ret = scm_make_ra (k); | |
1430 | SCM_ARRAY_BASE (ret) = 0; | |
1431 | while (k--) | |
1432 | { | |
1433 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1434 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1435 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1436 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1437 | } | |
08112c95 | 1438 | SCM_ARRAY_V (ret) = scm_make_uve (inc, scm_array_prototype (ra)); |
0f2d19dd JB |
1439 | if (copy) |
1440 | scm_array_copy_x (ra, ret); | |
1441 | return ret; | |
1442 | } | |
1443 | ||
1444 | ||
1445 | ||
3b3b36dd | 1446 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1447 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 NJ |
1448 | "@deffnx {Scheme Procedure} uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1449 | "Attempt to read all elements of @var{ura}, in lexicographic order, as\n" | |
b380b885 | 1450 | "binary objects from @var{port-or-fdes}.\n" |
8f85c0c6 NJ |
1451 | "If an end of file is encountered,\n" |
1452 | "the objects up to that point are put into @var{ura}\n" | |
b380b885 MD |
1453 | "(starting at the beginning) and the remainder of the array is\n" |
1454 | "unchanged.\n\n" | |
1455 | "The optional arguments @var{start} and @var{end} allow\n" | |
1456 | "a specified region of a vector (or linearized array) to be read,\n" | |
1457 | "leaving the remainder of the vector unchanged.\n\n" | |
1458 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1459 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1460 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1461 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1462 | { |
35de7ebe | 1463 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1464 | long sz, vlen, ans; |
1465 | long cstart = 0; | |
1466 | long cend; | |
1467 | long offset = 0; | |
405aaef9 | 1468 | char *base; |
35de7ebe | 1469 | |
0f2d19dd | 1470 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1471 | if (SCM_UNBNDP (port_or_fd)) |
1472 | port_or_fd = scm_cur_inp; | |
1473 | else | |
1474 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1475 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1476 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1477 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1478 | ? 0 | |
1479 | : SCM_INUM (scm_uniform_vector_length (v))); | |
35de7ebe | 1480 | |
0f2d19dd | 1481 | loop: |
35de7ebe | 1482 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1483 | { |
1484 | default: | |
276dd677 | 1485 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd JB |
1486 | case scm_tc7_smob: |
1487 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1488 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1489 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1490 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1491 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1492 | v = SCM_ARRAY_V (cra); | |
1493 | goto loop; | |
1494 | case scm_tc7_string: | |
74014c46 | 1495 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1496 | sz = sizeof (char); |
1497 | break; | |
1498 | case scm_tc7_bvect: | |
74014c46 | 1499 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1500 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1501 | cstart /= SCM_LONG_BIT; | |
1502 | sz = sizeof (long); | |
74014c46 DH |
1503 | break; |
1504 | case scm_tc7_byvect: | |
1505 | base = (char *) SCM_UVECTOR_BASE (v); | |
1506 | sz = sizeof (char); | |
1507 | break; | |
0f2d19dd JB |
1508 | case scm_tc7_uvect: |
1509 | case scm_tc7_ivect: | |
74014c46 | 1510 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1511 | sz = sizeof (long); |
1512 | break; | |
1513 | case scm_tc7_svect: | |
74014c46 | 1514 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1515 | sz = sizeof (short); |
1516 | break; | |
2a5cd898 | 1517 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1518 | case scm_tc7_llvect: |
74014c46 | 1519 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1520 | sz = sizeof (long long); |
0f2d19dd JB |
1521 | break; |
1522 | #endif | |
0f2d19dd | 1523 | case scm_tc7_fvect: |
74014c46 | 1524 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1525 | sz = sizeof (float); |
1526 | break; | |
0f2d19dd | 1527 | case scm_tc7_dvect: |
74014c46 | 1528 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1529 | sz = sizeof (double); |
1530 | break; | |
1531 | case scm_tc7_cvect: | |
74014c46 | 1532 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1533 | sz = 2 * sizeof (double); |
1534 | break; | |
0f2d19dd | 1535 | } |
405aaef9 | 1536 | |
1146b6cd GH |
1537 | cend = vlen; |
1538 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1539 | { |
1146b6cd | 1540 | offset = |
c014a02e | 1541 | SCM_NUM2LONG (3, start); |
35de7ebe | 1542 | |
1146b6cd | 1543 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1544 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1545 | |
1546 | if (!SCM_UNBNDP (end)) | |
1547 | { | |
c014a02e ML |
1548 | long tend = |
1549 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1550 | |
1146b6cd | 1551 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1552 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1553 | cend = tend; |
1554 | } | |
0f2d19dd | 1555 | } |
35de7ebe | 1556 | |
3d8d56df GH |
1557 | if (SCM_NIMP (port_or_fd)) |
1558 | { | |
92c2555f | 1559 | scm_t_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1560 | int remaining = (cend - offset) * sz; |
405aaef9 | 1561 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1562 | |
1563 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1564 | scm_flush (port_or_fd); |
6c951427 GH |
1565 | |
1566 | ans = cend - offset; | |
1567 | while (remaining > 0) | |
3d8d56df | 1568 | { |
6c951427 GH |
1569 | if (pt->read_pos < pt->read_end) |
1570 | { | |
1571 | int to_copy = min (pt->read_end - pt->read_pos, | |
1572 | remaining); | |
1573 | ||
1574 | memcpy (dest, pt->read_pos, to_copy); | |
1575 | pt->read_pos += to_copy; | |
1576 | remaining -= to_copy; | |
1577 | dest += to_copy; | |
1578 | } | |
1579 | else | |
1580 | { | |
affc96b5 | 1581 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1582 | { |
1583 | if (remaining % sz != 0) | |
1584 | { | |
5d2d2ffc | 1585 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1586 | } |
1587 | ans -= remaining / sz; | |
1588 | break; | |
1589 | } | |
6c951427 | 1590 | } |
3d8d56df | 1591 | } |
6c951427 GH |
1592 | |
1593 | if (pt->rw_random) | |
1594 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1595 | } |
1596 | else /* file descriptor. */ | |
1597 | { | |
1598 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1599 | base + (cstart + offset) * sz, |
1be6b49c | 1600 | (sz * (cend - offset)))); |
3d8d56df | 1601 | if (ans == -1) |
1bbd0b84 | 1602 | SCM_SYSERROR; |
3d8d56df | 1603 | } |
0f2d19dd | 1604 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1605 | ans *= SCM_LONG_BIT; |
35de7ebe | 1606 | |
fee7ef83 | 1607 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1608 | scm_array_copy_x (cra, ra); |
35de7ebe | 1609 | |
93ccaef0 | 1610 | return SCM_I_MAKINUM (ans); |
0f2d19dd | 1611 | } |
1bbd0b84 | 1612 | #undef FUNC_NAME |
0f2d19dd | 1613 | |
3b3b36dd | 1614 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1615 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 | 1616 | "@deffnx {Scheme Procedure} uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
b380b885 MD |
1617 | "Writes all elements of @var{ura} as binary objects to\n" |
1618 | "@var{port-or-fdes}.\n\n" | |
1619 | "The optional arguments @var{start}\n" | |
1620 | "and @var{end} allow\n" | |
1621 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
9401323e | 1622 | "The number of objects actually written is returned.\n" |
b380b885 MD |
1623 | "@var{port-or-fdes} may be\n" |
1624 | "omitted, in which case it defaults to the value returned by\n" | |
1625 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1626 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1627 | { |
c014a02e ML |
1628 | long sz, vlen, ans; |
1629 | long offset = 0; | |
1630 | long cstart = 0; | |
1631 | long cend; | |
405aaef9 | 1632 | char *base; |
3d8d56df | 1633 | |
78446828 MV |
1634 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1635 | ||
0f2d19dd | 1636 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1637 | if (SCM_UNBNDP (port_or_fd)) |
1638 | port_or_fd = scm_cur_outp; | |
1639 | else | |
1640 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1641 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1642 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1643 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1644 | ? 0 | |
1645 | : SCM_INUM (scm_uniform_vector_length (v))); | |
1646 | ||
0f2d19dd | 1647 | loop: |
3d8d56df | 1648 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1649 | { |
1650 | default: | |
276dd677 | 1651 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1652 | case scm_tc7_smob: |
1653 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1654 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1655 | cstart = SCM_ARRAY_BASE (v); |
d245ce23 MD |
1656 | vlen = (SCM_ARRAY_DIMS (v)->inc |
1657 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1)); | |
0f2d19dd JB |
1658 | v = SCM_ARRAY_V (v); |
1659 | goto loop; | |
0f2d19dd | 1660 | case scm_tc7_string: |
74014c46 | 1661 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1662 | sz = sizeof (char); |
1663 | break; | |
1664 | case scm_tc7_bvect: | |
74014c46 | 1665 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1666 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1667 | cstart /= SCM_LONG_BIT; | |
1668 | sz = sizeof (long); | |
74014c46 DH |
1669 | break; |
1670 | case scm_tc7_byvect: | |
1671 | base = (char *) SCM_UVECTOR_BASE (v); | |
1672 | sz = sizeof (char); | |
1673 | break; | |
0f2d19dd JB |
1674 | case scm_tc7_uvect: |
1675 | case scm_tc7_ivect: | |
74014c46 | 1676 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1677 | sz = sizeof (long); |
1678 | break; | |
1679 | case scm_tc7_svect: | |
74014c46 | 1680 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1681 | sz = sizeof (short); |
1682 | break; | |
2a5cd898 | 1683 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1684 | case scm_tc7_llvect: |
74014c46 | 1685 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1686 | sz = sizeof (long long); |
0f2d19dd JB |
1687 | break; |
1688 | #endif | |
0f2d19dd | 1689 | case scm_tc7_fvect: |
74014c46 | 1690 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1691 | sz = sizeof (float); |
1692 | break; | |
0f2d19dd | 1693 | case scm_tc7_dvect: |
74014c46 | 1694 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1695 | sz = sizeof (double); |
1696 | break; | |
1697 | case scm_tc7_cvect: | |
74014c46 | 1698 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1699 | sz = 2 * sizeof (double); |
1700 | break; | |
0f2d19dd | 1701 | } |
3d8d56df | 1702 | |
1146b6cd GH |
1703 | cend = vlen; |
1704 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1705 | { |
1146b6cd | 1706 | offset = |
c014a02e | 1707 | SCM_NUM2LONG (3, start); |
3d8d56df | 1708 | |
1146b6cd | 1709 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1710 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1711 | |
1712 | if (!SCM_UNBNDP (end)) | |
1713 | { | |
c014a02e ML |
1714 | long tend = |
1715 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1716 | |
1146b6cd | 1717 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1718 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1719 | cend = tend; |
1720 | } | |
3d8d56df GH |
1721 | } |
1722 | ||
1723 | if (SCM_NIMP (port_or_fd)) | |
1724 | { | |
405aaef9 | 1725 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1726 | |
1727 | ans = cend - offset; | |
265e6a4d | 1728 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1729 | } |
1730 | else /* file descriptor. */ | |
1731 | { | |
1732 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1733 | base + (cstart + offset) * sz, |
1be6b49c | 1734 | (sz * (cend - offset)))); |
3d8d56df | 1735 | if (ans == -1) |
1bbd0b84 | 1736 | SCM_SYSERROR; |
3d8d56df | 1737 | } |
0f2d19dd | 1738 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1739 | ans *= SCM_LONG_BIT; |
3d8d56df | 1740 | |
93ccaef0 | 1741 | return SCM_I_MAKINUM (ans); |
0f2d19dd | 1742 | } |
1bbd0b84 | 1743 | #undef FUNC_NAME |
0f2d19dd JB |
1744 | |
1745 | ||
1746 | static char cnt_tab[16] = | |
1747 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1748 | ||
3b3b36dd | 1749 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1750 | (SCM b, SCM bitvector), |
1e6808ea | 1751 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1752 | "@var{bitvector}.") |
1bbd0b84 | 1753 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1754 | { |
44e47754 | 1755 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1756 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1757 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1758 | return SCM_INUM0; |
1759 | } else { | |
c014a02e ML |
1760 | unsigned long int count = 0; |
1761 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1762 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1763 | if (scm_is_false (b)) { |
44e47754 DH |
1764 | w = ~w; |
1765 | }; | |
c014a02e | 1766 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1767 | while (1) { |
1768 | while (w) { | |
1769 | count += cnt_tab[w & 0x0f]; | |
1770 | w >>= 4; | |
1771 | } | |
1772 | if (i == 0) { | |
93ccaef0 | 1773 | return SCM_I_MAKINUM (count); |
44e47754 DH |
1774 | } else { |
1775 | --i; | |
1776 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1777 | if (scm_is_false (b)) { |
44e47754 | 1778 | w = ~w; |
0f2d19dd | 1779 | } |
44e47754 | 1780 | } |
0f2d19dd | 1781 | } |
44e47754 | 1782 | } |
0f2d19dd | 1783 | } |
1bbd0b84 | 1784 | #undef FUNC_NAME |
0f2d19dd JB |
1785 | |
1786 | ||
3b3b36dd | 1787 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1788 | (SCM item, SCM v, SCM k), |
88ecf5cb KR |
1789 | "Return the index of the first occurrance of @var{item} in bit\n" |
1790 | "vector @var{v}, starting from @var{k}. If there is no\n" | |
1791 | "@var{item} entry between @var{k} and the end of\n" | |
1792 | "@var{bitvector}, then return @code{#f}. For example,\n" | |
1793 | "\n" | |
1794 | "@example\n" | |
1795 | "(bit-position #t #*000101 0) @result{} 3\n" | |
1796 | "(bit-position #f #*0001111 3) @result{} #f\n" | |
1797 | "@end example") | |
1bbd0b84 | 1798 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1799 | { |
c014a02e ML |
1800 | long i, lenw, xbits, pos; |
1801 | register unsigned long w; | |
74014c46 DH |
1802 | |
1803 | SCM_VALIDATE_BOOL (1, item); | |
1804 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
a55c2b68 | 1805 | pos = scm_to_long (k); |
74014c46 DH |
1806 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1807 | ||
1808 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1809 | return SCM_BOOL_F; |
74014c46 | 1810 | |
c014a02e ML |
1811 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1812 | i = pos / SCM_LONG_BIT; | |
74014c46 | 1813 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1814 | if (scm_is_false (item)) |
74014c46 | 1815 | w = ~w; |
c014a02e | 1816 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1817 | pos -= xbits; |
1818 | w = ((w >> xbits) << xbits); | |
c014a02e | 1819 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1820 | while (!0) |
1821 | { | |
1822 | if (w && (i == lenw)) | |
1823 | w = ((w << xbits) >> xbits); | |
1824 | if (w) | |
1825 | while (w) | |
1826 | switch (w & 0x0f) | |
1827 | { | |
1828 | default: | |
93ccaef0 | 1829 | return SCM_I_MAKINUM (pos); |
74014c46 DH |
1830 | case 2: |
1831 | case 6: | |
1832 | case 10: | |
1833 | case 14: | |
93ccaef0 | 1834 | return SCM_I_MAKINUM (pos + 1); |
74014c46 DH |
1835 | case 4: |
1836 | case 12: | |
93ccaef0 | 1837 | return SCM_I_MAKINUM (pos + 2); |
74014c46 | 1838 | case 8: |
93ccaef0 | 1839 | return SCM_I_MAKINUM (pos + 3); |
74014c46 DH |
1840 | case 0: |
1841 | pos += 4; | |
1842 | w >>= 4; | |
1843 | } | |
1844 | if (++i > lenw) | |
1845 | break; | |
c014a02e | 1846 | pos += SCM_LONG_BIT; |
f1267706 | 1847 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1848 | if (scm_is_false (item)) |
0f2d19dd | 1849 | w = ~w; |
0f2d19dd | 1850 | } |
74014c46 | 1851 | return SCM_BOOL_F; |
0f2d19dd | 1852 | } |
1bbd0b84 | 1853 | #undef FUNC_NAME |
0f2d19dd JB |
1854 | |
1855 | ||
3b3b36dd | 1856 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 | 1857 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1858 | "Set entries of bit vector @var{v} to @var{obj}, with @var{kv}\n" |
1859 | "selecting the entries to change. The return value is\n" | |
1860 | "unspecified.\n" | |
1861 | "\n" | |
1862 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1863 | "@code{#t} are the ones in @var{v} which are set to @var{obj}.\n" | |
1864 | "@var{kv} and @var{v} must be the same length. When @var{obj}\n" | |
1865 | "is @code{#t} it's like @var{kv} is OR'ed into @var{v}. Or when\n" | |
1866 | "@var{obj} is @code{#f} it can be seen as an ANDNOT.\n" | |
1867 | "\n" | |
1868 | "@example\n" | |
1869 | "(define bv #*01000010)\n" | |
1870 | "(bit-set*! bv #*10010001 #t)\n" | |
1871 | "bv\n" | |
1872 | "@result{} #*11010011\n" | |
1873 | "@end example\n" | |
1874 | "\n" | |
1875 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1876 | "they're indexes into @var{v} which are set to @var{obj}.\n" | |
1877 | "\n" | |
1878 | "@example\n" | |
1879 | "(define bv #*01000010)\n" | |
1880 | "(bit-set*! bv #u(5 2 7) #t)\n" | |
1881 | "bv\n" | |
1882 | "@result{} #*01100111\n" | |
1883 | "@end example") | |
1bbd0b84 | 1884 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1885 | { |
c014a02e | 1886 | register long i, k, vlen; |
74014c46 | 1887 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1888 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1889 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1890 | { |
1891 | default: | |
276dd677 | 1892 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1893 | case scm_tc7_uvect: |
74014c46 | 1894 | vlen = SCM_BITVECTOR_LENGTH (v); |
7888309b | 1895 | if (scm_is_false (obj)) |
74014c46 DH |
1896 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1897 | { | |
c014a02e | 1898 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1899 | if (k >= vlen) |
93ccaef0 | 1900 | scm_out_of_range (FUNC_NAME, SCM_I_MAKINUM (k)); |
34d19ef6 | 1901 | SCM_BITVEC_CLR(v, k); |
74014c46 DH |
1902 | } |
1903 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1904 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1905 | { | |
c014a02e | 1906 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1907 | if (k >= vlen) |
93ccaef0 | 1908 | scm_out_of_range (FUNC_NAME, SCM_I_MAKINUM (k)); |
34d19ef6 | 1909 | SCM_BITVEC_SET(v, k); |
74014c46 DH |
1910 | } |
1911 | else | |
276dd677 | 1912 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1913 | break; |
1914 | case scm_tc7_bvect: | |
74014c46 | 1915 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
7888309b | 1916 | if (scm_is_false (obj)) |
c014a02e | 1917 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1918 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; |
9a09deb1 | 1919 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c014a02e | 1920 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1921 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; |
0f2d19dd JB |
1922 | else |
1923 | goto badarg3; | |
1924 | break; | |
1925 | } | |
1926 | return SCM_UNSPECIFIED; | |
1927 | } | |
1bbd0b84 | 1928 | #undef FUNC_NAME |
0f2d19dd JB |
1929 | |
1930 | ||
3b3b36dd | 1931 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1932 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1933 | "Return a count of how many entries in bit vector @var{v} are\n" |
1934 | "equal to @var{obj}, with @var{kv} selecting the entries to\n" | |
1935 | "consider.\n" | |
1936 | "\n" | |
1937 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1938 | "@code{#t} are the ones in @var{v} which are considered.\n" | |
1939 | "@var{kv} and @var{v} must be the same length.\n" | |
1940 | "\n" | |
1941 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1942 | "it's the indexes in @var{v} to consider.\n" | |
1943 | "\n" | |
1944 | "For example,\n" | |
1945 | "\n" | |
1946 | "@example\n" | |
1947 | "(bit-count* #*01110111 #*11001101 #t) @result{} 3\n" | |
1948 | "(bit-count* #*01110111 #u(7 0 4) #f) @result{} 2\n" | |
1949 | "@end example") | |
1bbd0b84 | 1950 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1951 | { |
c014a02e ML |
1952 | register long i, vlen, count = 0; |
1953 | register unsigned long k; | |
41b0806d | 1954 | int fObj = 0; |
c209c88e | 1955 | |
74014c46 | 1956 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1957 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1958 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1959 | { |
1960 | default: | |
c209c88e | 1961 | badarg2: |
276dd677 | 1962 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1963 | case scm_tc7_uvect: |
74014c46 | 1964 | vlen = SCM_BITVECTOR_LENGTH (v); |
7888309b | 1965 | if (scm_is_false (obj)) |
74014c46 DH |
1966 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1967 | { | |
c014a02e | 1968 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1969 | if (k >= vlen) |
93ccaef0 | 1970 | scm_out_of_range (FUNC_NAME, SCM_I_MAKINUM (k)); |
34d19ef6 | 1971 | if (!SCM_BITVEC_REF(v, k)) |
74014c46 DH |
1972 | count++; |
1973 | } | |
1974 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1975 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1976 | { | |
c014a02e | 1977 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1978 | if (k >= vlen) |
93ccaef0 | 1979 | scm_out_of_range (FUNC_NAME, SCM_I_MAKINUM (k)); |
34d19ef6 | 1980 | if (SCM_BITVEC_REF (v, k)) |
74014c46 DH |
1981 | count++; |
1982 | } | |
1983 | else | |
276dd677 | 1984 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1985 | break; |
1986 | case scm_tc7_bvect: | |
74014c46 DH |
1987 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1988 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1989 | return SCM_INUM0; |
7888309b | 1990 | SCM_ASRTGO (scm_is_bool (obj), badarg3); |
9a09deb1 | 1991 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
c014a02e ML |
1992 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
1993 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
1994 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 1995 | while (1) |
0f2d19dd JB |
1996 | { |
1997 | for (; k; k >>= 4) | |
1998 | count += cnt_tab[k & 0x0f]; | |
1999 | if (0 == i--) | |
93ccaef0 | 2000 | return SCM_I_MAKINUM (count); |
c209c88e GB |
2001 | |
2002 | /* urg. repetitive (see above.) */ | |
c014a02e | 2003 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
2004 | } |
2005 | } | |
93ccaef0 | 2006 | return SCM_I_MAKINUM (count); |
0f2d19dd | 2007 | } |
1bbd0b84 | 2008 | #undef FUNC_NAME |
0f2d19dd JB |
2009 | |
2010 | ||
3b3b36dd | 2011 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 2012 | (SCM v), |
88ecf5cb KR |
2013 | "Modify the bit vector @var{v} by replacing each element with\n" |
2014 | "its negation.") | |
1bbd0b84 | 2015 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2016 | { |
c014a02e | 2017 | long int k; |
74014c46 DH |
2018 | |
2019 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2020 | ||
2021 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 2022 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 2023 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 2024 | |
0f2d19dd JB |
2025 | return SCM_UNSPECIFIED; |
2026 | } | |
1bbd0b84 | 2027 | #undef FUNC_NAME |
0f2d19dd JB |
2028 | |
2029 | ||
0f2d19dd | 2030 | SCM |
c014a02e | 2031 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2032 | { |
2033 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
c014a02e ML |
2034 | long *data = (long *) SCM_VELTS (v); |
2035 | register unsigned long mask; | |
2036 | register long k; | |
2037 | register long j; | |
2038 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
0f2d19dd JB |
2039 | { |
2040 | data[k] = 0L; | |
c014a02e ML |
2041 | j = len - k * SCM_LONG_BIT; |
2042 | if (j > SCM_LONG_BIT) | |
2043 | j = SCM_LONG_BIT; | |
0f2d19dd JB |
2044 | for (mask = 1L; j--; mask <<= 1) |
2045 | switch (*str++) | |
2046 | { | |
2047 | case '0': | |
2048 | break; | |
2049 | case '1': | |
2050 | data[k] |= mask; | |
2051 | break; | |
2052 | default: | |
2053 | return SCM_BOOL_F; | |
2054 | } | |
2055 | } | |
2056 | return v; | |
2057 | } | |
2058 | ||
2059 | ||
1cc91f1b | 2060 | |
0f2d19dd | 2061 | static SCM |
34d19ef6 | 2062 | ra2l (SCM ra, unsigned long base, unsigned long k) |
0f2d19dd JB |
2063 | { |
2064 | register SCM res = SCM_EOL; | |
c014a02e ML |
2065 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2066 | register size_t i; | |
0f2d19dd JB |
2067 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
2068 | return SCM_EOL; | |
2069 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2070 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2071 | { | |
2072 | do | |
2073 | { | |
2074 | i -= inc; | |
2075 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2076 | } | |
2077 | while (i != base); | |
2078 | } | |
2079 | else | |
2080 | do | |
2081 | { | |
2082 | i -= inc; | |
93ccaef0 | 2083 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_I_MAKINUM (i)), res); |
0f2d19dd JB |
2084 | } |
2085 | while (i != base); | |
2086 | return res; | |
2087 | } | |
2088 | ||
2089 | ||
cd328b4f | 2090 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2091 | (SCM v), |
1e6808ea MG |
2092 | "Return a list consisting of all the elements, in order, of\n" |
2093 | "@var{array}.") | |
cd328b4f | 2094 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2095 | { |
2096 | SCM res = SCM_EOL; | |
c014a02e | 2097 | register long k; |
0f2d19dd | 2098 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 2099 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2100 | { |
2101 | default: | |
276dd677 | 2102 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2103 | case scm_tc7_smob: |
2104 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2105 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2106 | case scm_tc7_vector: | |
95f5b0f5 | 2107 | case scm_tc7_wvect: |
0f2d19dd JB |
2108 | return scm_vector_to_list (v); |
2109 | case scm_tc7_string: | |
2110 | return scm_string_to_list (v); | |
2111 | case scm_tc7_bvect: | |
2112 | { | |
c014a02e ML |
2113 | long *data = (long *) SCM_VELTS (v); |
2114 | register unsigned long mask; | |
2115 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
2116 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
7888309b | 2117 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
c014a02e | 2118 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
7888309b | 2119 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2120 | return res; |
2121 | } | |
af7546eb DH |
2122 | case scm_tc7_byvect: |
2123 | { | |
2124 | signed char *data = (signed char *) SCM_VELTS (v); | |
c014a02e | 2125 | unsigned long k = SCM_UVECTOR_LENGTH (v); |
af7546eb | 2126 | while (k != 0) |
93ccaef0 | 2127 | res = scm_cons (SCM_I_MAKINUM (data[--k]), res); |
af7546eb DH |
2128 | return res; |
2129 | } | |
2130 | case scm_tc7_uvect: | |
2131 | { | |
c014a02e | 2132 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2133 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2134 | res = scm_cons(scm_ulong2num(data[k]), res); |
af7546eb DH |
2135 | return res; |
2136 | } | |
2137 | case scm_tc7_ivect: | |
2138 | { | |
c014a02e | 2139 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2140 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2141 | res = scm_cons(scm_long2num(data[k]), res); |
af7546eb DH |
2142 | return res; |
2143 | } | |
2144 | case scm_tc7_svect: | |
2145 | { | |
2146 | short *data = (short *)SCM_VELTS(v); | |
2147 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
1be6b49c | 2148 | res = scm_cons(scm_short2num (data[k]), res); |
af7546eb DH |
2149 | return res; |
2150 | } | |
2a5cd898 | 2151 | #if SCM_SIZEOF_LONG_LONG != 0 |
af7546eb DH |
2152 | case scm_tc7_llvect: |
2153 | { | |
1be6b49c | 2154 | long long *data = (long long *)SCM_VELTS(v); |
af7546eb DH |
2155 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
2156 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2157 | return res; | |
2158 | } | |
0f2d19dd | 2159 | #endif |
0f2d19dd JB |
2160 | case scm_tc7_fvect: |
2161 | { | |
2162 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2163 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
bc86da5d | 2164 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2165 | return res; |
2166 | } | |
0f2d19dd JB |
2167 | case scm_tc7_dvect: |
2168 | { | |
2169 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2170 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2171 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2172 | return res; |
2173 | } | |
2174 | case scm_tc7_cvect: | |
2175 | { | |
2176 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2177 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2178 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2179 | return res; |
2180 | } | |
0f2d19dd JB |
2181 | } |
2182 | } | |
1bbd0b84 | 2183 | #undef FUNC_NAME |
0f2d19dd JB |
2184 | |
2185 | ||
c014a02e | 2186 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 2187 | |
3b3b36dd | 2188 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2189 | (SCM ndim, SCM prot, SCM lst), |
8f85c0c6 | 2190 | "@deffnx {Scheme Procedure} list->uniform-vector prot lst\n" |
1e6808ea MG |
2191 | "Return a uniform array of the type indicated by prototype\n" |
2192 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2193 | "Elements must be of the appropriate type, no coercions are\n" | |
2194 | "done.") | |
1bbd0b84 | 2195 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2196 | { |
2197 | SCM shp = SCM_EOL; | |
2198 | SCM row = lst; | |
2199 | SCM ra; | |
c014a02e | 2200 | unsigned long k; |
0f2d19dd | 2201 | long n; |
a55c2b68 | 2202 | k = scm_to_ulong (ndim); |
0f2d19dd JB |
2203 | while (k--) |
2204 | { | |
2205 | n = scm_ilength (row); | |
1bbd0b84 | 2206 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
93ccaef0 | 2207 | shp = scm_cons (SCM_I_MAKINUM (n), shp); |
0f2d19dd JB |
2208 | if (SCM_NIMP (row)) |
2209 | row = SCM_CAR (row); | |
2210 | } | |
d12feca3 GH |
2211 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2212 | SCM_UNDEFINED); | |
0f2d19dd | 2213 | if (SCM_NULLP (shp)) |
0f2d19dd JB |
2214 | { |
2215 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2216 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2217 | return ra; | |
2218 | } | |
2219 | if (!SCM_ARRAYP (ra)) | |
2220 | { | |
c014a02e | 2221 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra)); |
74014c46 | 2222 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
93ccaef0 | 2223 | scm_array_set_x (ra, SCM_CAR (lst), SCM_I_MAKINUM (k)); |
0f2d19dd JB |
2224 | return ra; |
2225 | } | |
2226 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2227 | return ra; | |
2228 | else | |
1afff620 KN |
2229 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", |
2230 | scm_list_1 (lst)); | |
0f2d19dd | 2231 | } |
1bbd0b84 | 2232 | #undef FUNC_NAME |
0f2d19dd | 2233 | |
0f2d19dd | 2234 | static int |
c014a02e | 2235 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2236 | { |
c014a02e ML |
2237 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2238 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2239 | int ok = 1; |
2240 | if (n <= 0) | |
4260a7fc | 2241 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2242 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2243 | { | |
2244 | while (n--) | |
2245 | { | |
1685446c | 2246 | if (!SCM_CONSP (lst)) |
0f2d19dd JB |
2247 | return 0; |
2248 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2249 | base += inc; | |
2250 | lst = SCM_CDR (lst); | |
2251 | } | |
9ff1720f | 2252 | if (!SCM_NULLP (lst)) |
0f2d19dd JB |
2253 | return 0; |
2254 | } | |
2255 | else | |
2256 | { | |
2257 | while (n--) | |
2258 | { | |
1685446c | 2259 | if (!SCM_CONSP (lst)) |
0f2d19dd | 2260 | return 0; |
93ccaef0 | 2261 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_I_MAKINUM (base)); |
0f2d19dd JB |
2262 | base += inc; |
2263 | lst = SCM_CDR (lst); | |
2264 | } | |
9ff1720f | 2265 | if (!SCM_NULLP (lst)) |
fee7ef83 | 2266 | return 0; |
0f2d19dd JB |
2267 | } |
2268 | return ok; | |
2269 | } | |
2270 | ||
1cc91f1b | 2271 | |
0f2d19dd | 2272 | static void |
34d19ef6 | 2273 | rapr1 (SCM ra, unsigned long j, unsigned long k, SCM port, scm_print_state *pstate) |
0f2d19dd | 2274 | { |
c014a02e ML |
2275 | long inc = 1; |
2276 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 MD |
2277 | ? 0 |
2278 | : SCM_INUM (scm_uniform_vector_length (ra))); | |
0f2d19dd JB |
2279 | int enclosed = 0; |
2280 | tail: | |
5c11cc9d | 2281 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2282 | { |
2283 | case scm_tc7_smob: | |
2284 | if (enclosed++) | |
2285 | { | |
2286 | SCM_ARRAY_BASE (ra) = j; | |
2287 | if (n-- > 0) | |
9882ea19 | 2288 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2289 | for (j += inc; n-- > 0; j += inc) |
2290 | { | |
b7f3516f | 2291 | scm_putc (' ', port); |
0f2d19dd | 2292 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2293 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2294 | } |
2295 | break; | |
2296 | } | |
2297 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2298 | { | |
c014a02e | 2299 | long i; |
0f2d19dd JB |
2300 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2301 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2302 | { | |
b7f3516f | 2303 | scm_putc ('(', port); |
9882ea19 | 2304 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2305 | scm_puts (") ", port); |
0f2d19dd JB |
2306 | j += inc; |
2307 | } | |
2308 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2309 | { /* could be zero size. */ | |
b7f3516f | 2310 | scm_putc ('(', port); |
9882ea19 | 2311 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2312 | scm_putc (')', port); |
0f2d19dd JB |
2313 | } |
2314 | break; | |
2315 | } | |
1be6b49c | 2316 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2317 | { /* Could be zero-dimensional */ |
2318 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2319 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2320 | } | |
2321 | else | |
2322 | n = 1; | |
2323 | ra = SCM_ARRAY_V (ra); | |
2324 | goto tail; | |
2325 | default: | |
5c11cc9d | 2326 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2327 | if (n-- > 0) |
93ccaef0 | 2328 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_I_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2329 | for (j += inc; n-- > 0; j += inc) |
2330 | { | |
b7f3516f | 2331 | scm_putc (' ', port); |
9882ea19 | 2332 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2333 | } |
2334 | break; | |
2335 | case scm_tc7_string: | |
2336 | if (n-- > 0) | |
322ac0c5 | 2337 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2338 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2339 | for (j += inc; n-- > 0; j += inc) |
2340 | { | |
b7f3516f | 2341 | scm_putc (' ', port); |
322ac0c5 | 2342 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2343 | } |
2344 | else | |
2345 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2346 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2347 | break; |
2348 | case scm_tc7_byvect: | |
2349 | if (n-- > 0) | |
4260a7fc | 2350 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2351 | for (j += inc; n-- > 0; j += inc) |
2352 | { | |
b7f3516f | 2353 | scm_putc (' ', port); |
4260a7fc | 2354 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2355 | } |
2356 | break; | |
2357 | ||
2358 | case scm_tc7_uvect: | |
5c11cc9d GH |
2359 | { |
2360 | char str[11]; | |
2361 | ||
2362 | if (n-- > 0) | |
2363 | { | |
2364 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2365 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2366 | scm_puts (str, port); |
2367 | } | |
2368 | for (j += inc; n-- > 0; j += inc) | |
2369 | { | |
2370 | scm_putc (' ', port); | |
fee7ef83 | 2371 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2372 | scm_puts (str, port); |
2373 | } | |
2374 | } | |
0f2d19dd JB |
2375 | case scm_tc7_ivect: |
2376 | if (n-- > 0) | |
fee7ef83 | 2377 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2378 | for (j += inc; n-- > 0; j += inc) |
2379 | { | |
b7f3516f | 2380 | scm_putc (' ', port); |
fee7ef83 | 2381 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2382 | } |
2383 | break; | |
2384 | ||
2385 | case scm_tc7_svect: | |
2386 | if (n-- > 0) | |
4260a7fc | 2387 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2388 | for (j += inc; n-- > 0; j += inc) |
2389 | { | |
b7f3516f | 2390 | scm_putc (' ', port); |
4260a7fc | 2391 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2392 | } |
2393 | break; | |
2394 | ||
0f2d19dd JB |
2395 | case scm_tc7_fvect: |
2396 | if (n-- > 0) | |
2397 | { | |
bc86da5d MD |
2398 | SCM z = scm_make_real (1.0); |
2399 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2400 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2401 | for (j += inc; n-- > 0; j += inc) |
2402 | { | |
b7f3516f | 2403 | scm_putc (' ', port); |
bc86da5d MD |
2404 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2405 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2406 | } |
2407 | } | |
2408 | break; | |
0f2d19dd JB |
2409 | case scm_tc7_dvect: |
2410 | if (n-- > 0) | |
2411 | { | |
bc86da5d MD |
2412 | SCM z = scm_make_real (1.0 / 3.0); |
2413 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2414 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2415 | for (j += inc; n-- > 0; j += inc) |
2416 | { | |
b7f3516f | 2417 | scm_putc (' ', port); |
bc86da5d MD |
2418 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2419 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2420 | } |
2421 | } | |
2422 | break; | |
2423 | case scm_tc7_cvect: | |
2424 | if (n-- > 0) | |
2425 | { | |
bc86da5d MD |
2426 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
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 | for (j += inc; n-- > 0; j += inc) |
2433 | { | |
b7f3516f | 2434 | scm_putc (' ', port); |
bc86da5d MD |
2435 | SCM_REAL_VALUE (z) |
2436 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2437 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2438 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2439 | port, pstate); | |
0f2d19dd JB |
2440 | } |
2441 | } | |
2442 | break; | |
0f2d19dd JB |
2443 | } |
2444 | } | |
2445 | ||
2446 | ||
1cc91f1b | 2447 | |
0f2d19dd | 2448 | int |
1bbd0b84 | 2449 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2450 | { |
2451 | SCM v = exp; | |
c014a02e | 2452 | unsigned long base = 0; |
b7f3516f | 2453 | scm_putc ('#', port); |
0f2d19dd | 2454 | tail: |
5c11cc9d | 2455 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2456 | { |
2457 | case scm_tc7_smob: | |
2458 | { | |
2459 | long ndim = SCM_ARRAY_NDIM (v); | |
2460 | base = SCM_ARRAY_BASE (v); | |
2461 | v = SCM_ARRAY_V (v); | |
2462 | if (SCM_ARRAYP (v)) | |
2463 | ||
2464 | { | |
b7f3516f | 2465 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2466 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2467 | scm_putc ('>', port); |
0f2d19dd JB |
2468 | return 1; |
2469 | } | |
2470 | else | |
2471 | { | |
2472 | scm_intprint (ndim, 10, port); | |
2473 | goto tail; | |
2474 | } | |
2475 | } | |
2476 | case scm_tc7_bvect: | |
fee7ef83 | 2477 | if (SCM_EQ_P (exp, v)) |
0f2d19dd | 2478 | { /* a uve, not an scm_array */ |
c014a02e | 2479 | register long i, j, w; |
b7f3516f | 2480 | scm_putc ('*', port); |
c014a02e | 2481 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2482 | { |
92c2555f | 2483 | scm_t_bits w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
c014a02e | 2484 | for (j = SCM_LONG_BIT; j; j--) |
0f2d19dd | 2485 | { |
b7f3516f | 2486 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2487 | w >>= 1; |
2488 | } | |
2489 | } | |
c014a02e | 2490 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2491 | if (j) |
2492 | { | |
c014a02e | 2493 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2494 | for (; j; j--) |
2495 | { | |
b7f3516f | 2496 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2497 | w >>= 1; |
2498 | } | |
2499 | } | |
2500 | return 1; | |
2501 | } | |
2502 | else | |
b7f3516f | 2503 | scm_putc ('b', port); |
0f2d19dd JB |
2504 | break; |
2505 | case scm_tc7_string: | |
b7f3516f | 2506 | scm_putc ('a', port); |
0f2d19dd JB |
2507 | break; |
2508 | case scm_tc7_byvect: | |
05c33d09 | 2509 | scm_putc ('y', port); |
0f2d19dd JB |
2510 | break; |
2511 | case scm_tc7_uvect: | |
b7f3516f | 2512 | scm_putc ('u', port); |
0f2d19dd JB |
2513 | break; |
2514 | case scm_tc7_ivect: | |
b7f3516f | 2515 | scm_putc ('e', port); |
0f2d19dd JB |
2516 | break; |
2517 | case scm_tc7_svect: | |
05c33d09 | 2518 | scm_putc ('h', port); |
0f2d19dd | 2519 | break; |
2a5cd898 | 2520 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2521 | case scm_tc7_llvect: |
5c11cc9d | 2522 | scm_putc ('l', port); |
0f2d19dd JB |
2523 | break; |
2524 | #endif | |
0f2d19dd | 2525 | case scm_tc7_fvect: |
b7f3516f | 2526 | scm_putc ('s', port); |
0f2d19dd | 2527 | break; |
0f2d19dd | 2528 | case scm_tc7_dvect: |
b7f3516f | 2529 | scm_putc ('i', port); |
0f2d19dd JB |
2530 | break; |
2531 | case scm_tc7_cvect: | |
b7f3516f | 2532 | scm_putc ('c', port); |
0f2d19dd | 2533 | break; |
0f2d19dd | 2534 | } |
b7f3516f | 2535 | scm_putc ('(', port); |
9882ea19 | 2536 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2537 | scm_putc (')', port); |
0f2d19dd JB |
2538 | return 1; |
2539 | } | |
2540 | ||
3b3b36dd | 2541 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2542 | (SCM ra), |
1e6808ea MG |
2543 | "Return an object that would produce an array of the same type\n" |
2544 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2545 | "@code{make-uniform-array}.") |
1bbd0b84 | 2546 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2547 | { |
2548 | int enclosed = 0; | |
2549 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2550 | loop: | |
74014c46 | 2551 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2552 | { |
2553 | default: | |
276dd677 | 2554 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2555 | case scm_tc7_smob: |
2556 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2557 | if (enclosed++) | |
2558 | return SCM_UNSPECIFIED; | |
2559 | ra = SCM_ARRAY_V (ra); | |
2560 | goto loop; | |
2561 | case scm_tc7_vector: | |
95f5b0f5 | 2562 | case scm_tc7_wvect: |
0f2d19dd JB |
2563 | return SCM_EOL; |
2564 | case scm_tc7_bvect: | |
2565 | return SCM_BOOL_T; | |
2566 | case scm_tc7_string: | |
7866a09b | 2567 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2568 | case scm_tc7_byvect: |
7866a09b | 2569 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd | 2570 | case scm_tc7_uvect: |
93ccaef0 | 2571 | return SCM_I_MAKINUM (1L); |
0f2d19dd | 2572 | case scm_tc7_ivect: |
93ccaef0 | 2573 | return SCM_I_MAKINUM (-1L); |
0f2d19dd | 2574 | case scm_tc7_svect: |
38ae064c | 2575 | return scm_str2symbol ("s"); |
2a5cd898 | 2576 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2577 | case scm_tc7_llvect: |
38ae064c | 2578 | return scm_str2symbol ("l"); |
0f2d19dd | 2579 | #endif |
0f2d19dd | 2580 | case scm_tc7_fvect: |
bc86da5d | 2581 | return scm_make_real (1.0); |
0f2d19dd | 2582 | case scm_tc7_dvect: |
7c183c95 | 2583 | return exactly_one_third; |
0f2d19dd | 2584 | case scm_tc7_cvect: |
bc86da5d | 2585 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2586 | } |
2587 | } | |
1bbd0b84 | 2588 | #undef FUNC_NAME |
0f2d19dd | 2589 | |
1cc91f1b | 2590 | |
0f2d19dd | 2591 | static SCM |
e841c3e0 | 2592 | array_mark (SCM ptr) |
0f2d19dd | 2593 | { |
0f2d19dd JB |
2594 | return SCM_ARRAY_V (ptr); |
2595 | } | |
2596 | ||
1cc91f1b | 2597 | |
1be6b49c | 2598 | static size_t |
e841c3e0 | 2599 | array_free (SCM ptr) |
0f2d19dd | 2600 | { |
4c9419ac MV |
2601 | scm_gc_free (SCM_ARRAY_MEM (ptr), |
2602 | (sizeof (scm_t_array) | |
2603 | + SCM_ARRAY_NDIM (ptr) * sizeof (scm_t_array_dim)), | |
2604 | "array"); | |
2605 | return 0; | |
0f2d19dd JB |
2606 | } |
2607 | ||
0f2d19dd JB |
2608 | void |
2609 | scm_init_unif () | |
0f2d19dd | 2610 | { |
e841c3e0 KN |
2611 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2612 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2613 | scm_set_smob_free (scm_tc16_array, array_free); | |
2614 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2615 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
93ccaef0 MV |
2616 | exactly_one_third = scm_permanent_object (scm_make_ratio (SCM_I_MAKINUM (1), |
2617 | SCM_I_MAKINUM (3))); | |
0f2d19dd | 2618 | scm_add_feature ("array"); |
a0599745 | 2619 | #include "libguile/unif.x" |
0f2d19dd | 2620 | } |
89e00824 ML |
2621 | |
2622 | /* | |
2623 | Local Variables: | |
2624 | c-file-style: "gnu" | |
2625 | End: | |
2626 | */ |