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" | |
a0599745 MD |
41 | #include "libguile/feature.h" |
42 | #include "libguile/root.h" | |
43 | #include "libguile/strings.h" | |
c44ca4fe | 44 | #include "libguile/srfi-13.h" |
a0599745 MD |
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 | { | |
b9bd8526 | 144 | SCM_ASSERT_RANGE (1, scm_from_long (k), k <= SCM_UVECTOR_MAX_LENGTH); |
711a9fd7 MD |
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 | { |
bc36d050 | 155 | if (scm_is_eq (prot, SCM_BOOL_T)) |
0f2d19dd | 156 | { |
93778877 DH |
157 | if (k > 0) |
158 | { | |
711a9fd7 | 159 | long i; |
b9bd8526 MV |
160 | SCM_ASSERT_RANGE (1, scm_from_long (k), |
161 | 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)) |
cc95e00a | 172 | return scm_c_make_string (sizeof (char) * k, SCM_UNDEFINED); |
e11e83f3 MV |
173 | else if (SCM_I_INUMP (prot)) |
174 | return make_uve (SCM_I_INUM (prot) > 0 ? scm_tc7_uvect : scm_tc7_ivect, | |
711a9fd7 MD |
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 | } | |
cc95e00a | 182 | else if (scm_is_symbol (prot) && (1 == scm_i_symbol_length (prot))) |
0f2d19dd JB |
183 | { |
184 | char s; | |
185 | ||
cc95e00a | 186 | s = scm_i_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: | |
e11e83f3 | 221 | return scm_from_size_t (SCM_VECTOR_LENGTH (v)); |
0f2d19dd | 222 | case scm_tc7_string: |
cc95e00a | 223 | return scm_from_size_t (scm_i_string_length (v)); |
74014c46 | 224 | case scm_tc7_bvect: |
e11e83f3 | 225 | return scm_from_size_t (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 | |
e11e83f3 | 236 | return scm_from_size_t (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 | 264 | } |
9b0018a1 | 265 | |
c209c88e | 266 | if (nprot) |
9b0018a1 MV |
267 | { |
268 | switch (SCM_TYP7 (v)) | |
269 | { | |
270 | case scm_tc7_bvect: | |
271 | case scm_tc7_string: | |
272 | case scm_tc7_byvect: | |
273 | case scm_tc7_uvect: | |
274 | case scm_tc7_ivect: | |
275 | case scm_tc7_svect: | |
276 | #if SCM_SIZEOF_LONG_LONG != 0 | |
277 | case scm_tc7_llvect: | |
278 | #endif | |
279 | case scm_tc7_fvect: | |
280 | case scm_tc7_dvect: | |
281 | case scm_tc7_cvect: | |
282 | case scm_tc7_vector: | |
283 | case scm_tc7_wvect: | |
284 | return SCM_BOOL_T; | |
285 | default: | |
286 | return SCM_BOOL_F; | |
287 | } | |
288 | } | |
c209c88e GB |
289 | else |
290 | { | |
291 | int protp = 0; | |
292 | ||
293 | switch (SCM_TYP7 (v)) | |
294 | { | |
295 | case scm_tc7_bvect: | |
bc36d050 | 296 | protp = (scm_is_eq (prot, SCM_BOOL_T)); |
7c183c95 | 297 | break; |
c209c88e | 298 | case scm_tc7_string: |
4260a7fc | 299 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
7c183c95 | 300 | break; |
c209c88e | 301 | case scm_tc7_byvect: |
bc36d050 | 302 | protp = scm_is_eq (prot, SCM_MAKE_CHAR ('\0')); |
7c183c95 | 303 | break; |
c209c88e | 304 | case scm_tc7_uvect: |
e11e83f3 | 305 | protp = SCM_I_INUMP(prot) && SCM_I_INUM(prot)>0; |
7c183c95 | 306 | break; |
c209c88e | 307 | case scm_tc7_ivect: |
e11e83f3 | 308 | protp = SCM_I_INUMP(prot) && SCM_I_INUM(prot)<=0; |
7c183c95 | 309 | break; |
c209c88e | 310 | case scm_tc7_svect: |
cc95e00a MV |
311 | protp = scm_is_symbol (prot) |
312 | && (1 == scm_i_symbol_length (prot)) | |
313 | && ('s' == scm_i_symbol_chars (prot)[0]); | |
7c183c95 | 314 | break; |
2a5cd898 | 315 | #if SCM_SIZEOF_LONG_LONG != 0 |
c209c88e | 316 | case scm_tc7_llvect: |
cc95e00a MV |
317 | protp = scm_is_symbol (prot) |
318 | && (1 == scm_i_symbol_length (prot)) | |
319 | && ('l' == scm_i_symbol_chars (prot)[0]); | |
7c183c95 | 320 | break; |
0f2d19dd | 321 | #endif |
c209c88e | 322 | case scm_tc7_fvect: |
bc86da5d | 323 | protp = singp (prot); |
7c183c95 | 324 | break; |
c209c88e | 325 | case scm_tc7_dvect: |
7c183c95 KR |
326 | protp = ((SCM_REALP(prot) && ! singp (prot)) |
327 | || (SCM_FRACTIONP (prot) | |
328 | && scm_num_eq_p (exactly_one_third, prot))); | |
329 | break; | |
c209c88e | 330 | case scm_tc7_cvect: |
eb42e2f0 | 331 | protp = SCM_COMPLEXP(prot); |
7c183c95 | 332 | break; |
c209c88e GB |
333 | case scm_tc7_vector: |
334 | case scm_tc7_wvect: | |
d2e53ed6 | 335 | protp = scm_is_null(prot); |
7c183c95 | 336 | break; |
c209c88e GB |
337 | default: |
338 | /* no default */ | |
339 | ; | |
340 | } | |
7888309b | 341 | return scm_from_bool(protp); |
0f2d19dd | 342 | } |
0f2d19dd | 343 | } |
1bbd0b84 | 344 | #undef FUNC_NAME |
0f2d19dd JB |
345 | |
346 | ||
3b3b36dd | 347 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 348 | (SCM ra), |
1e6808ea MG |
349 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
350 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 351 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
352 | { |
353 | if (SCM_IMP (ra)) | |
1bbd0b84 | 354 | return SCM_INUM0; |
0f2d19dd JB |
355 | switch (SCM_TYP7 (ra)) |
356 | { | |
357 | default: | |
358 | return SCM_INUM0; | |
359 | case scm_tc7_string: | |
360 | case scm_tc7_vector: | |
95f5b0f5 | 361 | case scm_tc7_wvect: |
0f2d19dd JB |
362 | case scm_tc7_byvect: |
363 | case scm_tc7_uvect: | |
364 | case scm_tc7_ivect: | |
365 | case scm_tc7_fvect: | |
366 | case scm_tc7_cvect: | |
367 | case scm_tc7_dvect: | |
2a5cd898 | 368 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
369 | case scm_tc7_llvect: |
370 | #endif | |
371 | case scm_tc7_svect: | |
e11e83f3 | 372 | return scm_from_int (1); |
0f2d19dd JB |
373 | case scm_tc7_smob: |
374 | if (SCM_ARRAYP (ra)) | |
e11e83f3 | 375 | return scm_from_size_t (SCM_ARRAY_NDIM (ra)); |
0f2d19dd JB |
376 | return SCM_INUM0; |
377 | } | |
378 | } | |
1bbd0b84 | 379 | #undef FUNC_NAME |
0f2d19dd JB |
380 | |
381 | ||
3b3b36dd | 382 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 383 | (SCM ra), |
b380b885 MD |
384 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
385 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 386 | "@lisp\n" |
b380b885 | 387 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 388 | "@end lisp") |
1bbd0b84 | 389 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
390 | { |
391 | SCM res = SCM_EOL; | |
1be6b49c | 392 | size_t k; |
92c2555f | 393 | scm_t_array_dim *s; |
0f2d19dd | 394 | if (SCM_IMP (ra)) |
1bbd0b84 | 395 | return SCM_BOOL_F; |
0f2d19dd JB |
396 | switch (SCM_TYP7 (ra)) |
397 | { | |
398 | default: | |
399 | return SCM_BOOL_F; | |
400 | case scm_tc7_string: | |
401 | case scm_tc7_vector: | |
95f5b0f5 | 402 | case scm_tc7_wvect: |
0f2d19dd JB |
403 | case scm_tc7_bvect: |
404 | case scm_tc7_byvect: | |
405 | case scm_tc7_uvect: | |
406 | case scm_tc7_ivect: | |
407 | case scm_tc7_fvect: | |
408 | case scm_tc7_cvect: | |
409 | case scm_tc7_dvect: | |
410 | case scm_tc7_svect: | |
2a5cd898 | 411 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
412 | case scm_tc7_llvect: |
413 | #endif | |
74014c46 | 414 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
415 | case scm_tc7_smob: |
416 | if (!SCM_ARRAYP (ra)) | |
417 | return SCM_BOOL_F; | |
418 | k = SCM_ARRAY_NDIM (ra); | |
419 | s = SCM_ARRAY_DIMS (ra); | |
420 | while (k--) | |
e2d37336 | 421 | res = scm_cons (s[k].lbnd |
e11e83f3 MV |
422 | ? scm_cons2 (scm_from_long (s[k].lbnd), |
423 | scm_from_long (s[k].ubnd), | |
e2d37336 | 424 | SCM_EOL) |
e11e83f3 | 425 | : scm_from_long (1 + s[k].ubnd), |
e2d37336 | 426 | res); |
0f2d19dd JB |
427 | return res; |
428 | } | |
429 | } | |
1bbd0b84 | 430 | #undef FUNC_NAME |
0f2d19dd JB |
431 | |
432 | ||
e2d37336 MD |
433 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
434 | (SCM ra), | |
435 | "Return the root vector of a shared array.") | |
436 | #define FUNC_NAME s_scm_shared_array_root | |
437 | { | |
438 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
439 | return SCM_ARRAY_V (ra); | |
440 | } | |
441 | #undef FUNC_NAME | |
442 | ||
443 | ||
444 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
445 | (SCM ra), | |
446 | "Return the root vector index of the first element in the array.") | |
447 | #define FUNC_NAME s_scm_shared_array_offset | |
448 | { | |
449 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
e11e83f3 | 450 | return scm_from_int (SCM_ARRAY_BASE (ra)); |
e2d37336 MD |
451 | } |
452 | #undef FUNC_NAME | |
453 | ||
454 | ||
455 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
456 | (SCM ra), | |
457 | "For each dimension, return the distance between elements in the root vector.") | |
458 | #define FUNC_NAME s_scm_shared_array_increments | |
459 | { | |
460 | SCM res = SCM_EOL; | |
1be6b49c | 461 | size_t k; |
92c2555f | 462 | scm_t_array_dim *s; |
e2d37336 MD |
463 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
464 | k = SCM_ARRAY_NDIM (ra); | |
465 | s = SCM_ARRAY_DIMS (ra); | |
466 | while (k--) | |
e11e83f3 | 467 | res = scm_cons (scm_from_long (s[k].inc), res); |
e2d37336 MD |
468 | return res; |
469 | } | |
470 | #undef FUNC_NAME | |
471 | ||
472 | ||
0f2d19dd JB |
473 | static char s_bad_ind[] = "Bad scm_array index"; |
474 | ||
1cc91f1b | 475 | |
c014a02e | 476 | long |
1bbd0b84 | 477 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 478 | #define FUNC_NAME what |
0f2d19dd JB |
479 | { |
480 | SCM ind; | |
c014a02e ML |
481 | register long j; |
482 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
483 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
92c2555f | 484 | scm_t_array_dim *s = SCM_ARRAY_DIMS (ra); |
e11e83f3 | 485 | if (scm_is_integer (args)) |
0f2d19dd | 486 | { |
b3fcac34 DH |
487 | if (k != 1) |
488 | scm_error_num_args_subr (what); | |
e11e83f3 | 489 | return pos + (scm_to_long (args) - s->lbnd) * (s->inc); |
0f2d19dd | 490 | } |
d2e53ed6 | 491 | while (k && scm_is_pair (args)) |
0f2d19dd JB |
492 | { |
493 | ind = SCM_CAR (args); | |
494 | args = SCM_CDR (args); | |
e11e83f3 | 495 | if (!scm_is_integer (ind)) |
b3fcac34 | 496 | scm_misc_error (what, s_bad_ind, SCM_EOL); |
e11e83f3 | 497 | j = scm_to_long (ind); |
685c0d71 DH |
498 | if (j < s->lbnd || j > s->ubnd) |
499 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
500 | pos += (j - s->lbnd) * (s->inc); |
501 | k--; | |
502 | s++; | |
503 | } | |
d2e53ed6 | 504 | if (k != 0 || !scm_is_null (args)) |
b3fcac34 DH |
505 | scm_error_num_args_subr (what); |
506 | ||
0f2d19dd JB |
507 | return pos; |
508 | } | |
b3fcac34 | 509 | #undef FUNC_NAME |
0f2d19dd | 510 | |
1cc91f1b | 511 | |
0f2d19dd | 512 | SCM |
1bbd0b84 | 513 | scm_make_ra (int ndim) |
0f2d19dd JB |
514 | { |
515 | SCM ra; | |
0f2d19dd | 516 | SCM_DEFER_INTS; |
92c2555f | 517 | SCM_NEWSMOB(ra, ((scm_t_bits) ndim << 17) + scm_tc16_array, |
4c9419ac MV |
518 | scm_gc_malloc ((sizeof (scm_t_array) + |
519 | ndim * sizeof (scm_t_array_dim)), | |
520 | "array")); | |
0f2d19dd JB |
521 | SCM_ARRAY_V (ra) = scm_nullvect; |
522 | SCM_ALLOW_INTS; | |
523 | return ra; | |
524 | } | |
525 | ||
526 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
527 | /* Increments will still need to be set. */ | |
528 | ||
1cc91f1b | 529 | |
0f2d19dd | 530 | SCM |
1bbd0b84 | 531 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 532 | { |
92c2555f | 533 | scm_t_array_dim *s; |
0f2d19dd JB |
534 | SCM ra, spec, sp; |
535 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
536 | if (ndim < 0) |
537 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
538 | ||
0f2d19dd JB |
539 | ra = scm_make_ra (ndim); |
540 | SCM_ARRAY_BASE (ra) = 0; | |
541 | s = SCM_ARRAY_DIMS (ra); | |
d2e53ed6 | 542 | for (; !scm_is_null (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
543 | { |
544 | spec = SCM_CAR (args); | |
e11e83f3 | 545 | if (scm_is_integer (spec)) |
0f2d19dd | 546 | { |
e11e83f3 | 547 | if (scm_to_long (spec) < 0) |
b3fcac34 | 548 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
0f2d19dd | 549 | s->lbnd = 0; |
e11e83f3 | 550 | s->ubnd = scm_to_long (spec) - 1; |
0f2d19dd JB |
551 | s->inc = 1; |
552 | } | |
553 | else | |
554 | { | |
d2e53ed6 | 555 | if (!scm_is_pair (spec) || !scm_is_integer (SCM_CAR (spec))) |
b3fcac34 | 556 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
e11e83f3 | 557 | s->lbnd = scm_to_long (SCM_CAR (spec)); |
0f2d19dd | 558 | sp = SCM_CDR (spec); |
d2e53ed6 | 559 | if (!scm_is_pair (sp) |
e11e83f3 | 560 | || !scm_is_integer (SCM_CAR (sp)) |
d2e53ed6 | 561 | || !scm_is_null (SCM_CDR (sp))) |
b3fcac34 | 562 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
e11e83f3 | 563 | s->ubnd = scm_to_long (SCM_CAR (sp)); |
0f2d19dd JB |
564 | s->inc = 1; |
565 | } | |
566 | } | |
567 | return ra; | |
568 | } | |
569 | ||
3b3b36dd | 570 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 571 | (SCM dims, SCM prot, SCM fill), |
8f85c0c6 | 572 | "@deffnx {Scheme Procedure} make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
573 | "Create and return a uniform array or vector of type\n" |
574 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
575 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
576 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 577 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 578 | { |
1be6b49c | 579 | size_t k; |
c014a02e | 580 | unsigned long rlen = 1; |
92c2555f | 581 | scm_t_array_dim *s; |
0f2d19dd | 582 | SCM ra; |
1be6b49c | 583 | |
e11e83f3 | 584 | if (scm_is_integer (dims)) |
cda139a7 | 585 | { |
e11e83f3 | 586 | SCM answer = scm_make_uve (scm_to_long (dims), prot); |
a3a32939 DH |
587 | if (!SCM_UNBNDP (fill)) |
588 | scm_array_fill_x (answer, fill); | |
cc95e00a | 589 | else if (scm_is_symbol (prot)) |
e11e83f3 | 590 | scm_array_fill_x (answer, scm_from_int (0)); |
a3a32939 DH |
591 | else |
592 | scm_array_fill_x (answer, prot); | |
593 | return answer; | |
cda139a7 | 594 | } |
1be6b49c | 595 | |
d2e53ed6 | 596 | SCM_ASSERT (scm_is_null (dims) || scm_is_pair (dims), |
0c95b57d | 597 | dims, SCM_ARG1, FUNC_NAME); |
1bbd0b84 | 598 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 599 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
600 | s = SCM_ARRAY_DIMS (ra); |
601 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 602 | |
0f2d19dd JB |
603 | while (k--) |
604 | { | |
a3a32939 DH |
605 | s[k].inc = rlen; |
606 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 607 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 608 | } |
a3a32939 | 609 | |
a3a32939 DH |
610 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
611 | ||
5c11cc9d | 612 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 613 | scm_array_fill_x (ra, fill); |
cc95e00a | 614 | else if (scm_is_symbol (prot)) |
e11e83f3 | 615 | scm_array_fill_x (ra, scm_from_int (0)); |
0f2d19dd JB |
616 | else |
617 | scm_array_fill_x (ra, prot); | |
a3a32939 | 618 | |
0f2d19dd | 619 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 620 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
621 | return SCM_ARRAY_V (ra); |
622 | return ra; | |
623 | } | |
1bbd0b84 | 624 | #undef FUNC_NAME |
0f2d19dd | 625 | |
1cc91f1b | 626 | |
0f2d19dd | 627 | void |
1bbd0b84 | 628 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 629 | { |
1be6b49c | 630 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 631 | if (k) |
0f2d19dd | 632 | { |
c014a02e | 633 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 634 | while (k--) |
0f2d19dd | 635 | { |
fe0c6dae JB |
636 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
637 | { | |
e038c042 | 638 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
639 | return; |
640 | } | |
641 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
642 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 643 | } |
0f2d19dd | 644 | } |
e038c042 | 645 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
646 | } |
647 | ||
648 | ||
3b3b36dd | 649 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 650 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
651 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
652 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
653 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
654 | "linear, and its range must stay within the bounds of the old array, but\n" | |
655 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 656 | "@lisp\n" |
b380b885 MD |
657 | "(define fred (make-array #f 8 8))\n" |
658 | "(define freds-diagonal\n" | |
659 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
660 | "(array-set! freds-diagonal 'foo 3)\n" | |
661 | "(array-ref fred 3 3) @result{} foo\n" | |
662 | "(define freds-center\n" | |
663 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
664 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 665 | "@end lisp") |
1bbd0b84 | 666 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
667 | { |
668 | SCM ra; | |
669 | SCM inds, indptr; | |
670 | SCM imap; | |
c014a02e ML |
671 | size_t k, i; |
672 | long old_min, new_min, old_max, new_max; | |
92c2555f | 673 | scm_t_array_dim *s; |
b3fcac34 DH |
674 | |
675 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
34d19ef6 HWN |
676 | SCM_VALIDATE_ARRAY (1, oldra); |
677 | SCM_VALIDATE_PROC (2, mapfunc); | |
1bbd0b84 | 678 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
679 | if (SCM_ARRAYP (oldra)) |
680 | { | |
681 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
682 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
683 | s = SCM_ARRAY_DIMS (oldra); | |
684 | k = SCM_ARRAY_NDIM (oldra); | |
685 | while (k--) | |
686 | { | |
687 | if (s[k].inc > 0) | |
688 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
689 | else | |
690 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
691 | } | |
692 | } | |
693 | else | |
694 | { | |
695 | SCM_ARRAY_V (ra) = oldra; | |
696 | old_min = 0; | |
e11e83f3 | 697 | old_max = scm_to_long (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
698 | } |
699 | inds = SCM_EOL; | |
700 | s = SCM_ARRAY_DIMS (ra); | |
701 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
702 | { | |
e11e83f3 | 703 | inds = scm_cons (scm_from_long (s[k].lbnd), inds); |
0f2d19dd JB |
704 | if (s[k].ubnd < s[k].lbnd) |
705 | { | |
706 | if (1 == SCM_ARRAY_NDIM (ra)) | |
707 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
708 | else | |
709 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
710 | return ra; | |
711 | } | |
712 | } | |
fdc28395 | 713 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd | 714 | if (SCM_ARRAYP (oldra)) |
c014a02e | 715 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
716 | else |
717 | { | |
e11e83f3 | 718 | if (!scm_is_integer (imap)) |
0f2d19dd | 719 | { |
e11e83f3 | 720 | if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap))) |
b3fcac34 | 721 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
722 | imap = SCM_CAR (imap); |
723 | } | |
e11e83f3 | 724 | i = scm_to_size_t (imap); |
0f2d19dd JB |
725 | } |
726 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
727 | indptr = inds; | |
728 | k = SCM_ARRAY_NDIM (ra); | |
729 | while (k--) | |
730 | { | |
731 | if (s[k].ubnd > s[k].lbnd) | |
732 | { | |
e11e83f3 | 733 | SCM_SETCAR (indptr, scm_sum (SCM_CAR (indptr), scm_from_int (1))); |
fdc28395 | 734 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd JB |
735 | if (SCM_ARRAYP (oldra)) |
736 | ||
1bbd0b84 | 737 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
738 | else |
739 | { | |
e11e83f3 | 740 | if (!scm_is_integer (imap)) |
0f2d19dd | 741 | { |
e11e83f3 | 742 | if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap))) |
b3fcac34 | 743 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
744 | imap = SCM_CAR (imap); |
745 | } | |
e11e83f3 | 746 | s[k].inc = scm_to_long (imap) - i; |
0f2d19dd JB |
747 | } |
748 | i += s[k].inc; | |
749 | if (s[k].inc > 0) | |
750 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
751 | else | |
752 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
753 | } | |
754 | else | |
755 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
756 | indptr = SCM_CDR (indptr); | |
757 | } | |
b3fcac34 DH |
758 | if (old_min > new_min || old_max < new_max) |
759 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
760 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
761 | { | |
74014c46 | 762 | SCM v = SCM_ARRAY_V (ra); |
e11e83f3 | 763 | unsigned long int length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 DH |
764 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
765 | return v; | |
0f2d19dd JB |
766 | if (s->ubnd < s->lbnd) |
767 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
768 | } | |
769 | scm_ra_set_contp (ra); | |
770 | return ra; | |
771 | } | |
1bbd0b84 | 772 | #undef FUNC_NAME |
0f2d19dd JB |
773 | |
774 | ||
775 | /* args are RA . DIMS */ | |
af45e3b0 DH |
776 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
777 | (SCM ra, SCM args), | |
1e6808ea MG |
778 | "Return an array sharing contents with @var{array}, but with\n" |
779 | "dimensions arranged in a different order. There must be one\n" | |
780 | "@var{dim} argument for each dimension of @var{array}.\n" | |
781 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
782 | "and the rank of the array to be returned. Each integer in that\n" | |
783 | "range must appear at least once in the argument list.\n" | |
784 | "\n" | |
785 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
786 | "dimensions in the array to be returned, their positions in the\n" | |
787 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
788 | "may have the same value, in which case the returned array will\n" | |
789 | "have smaller rank than @var{array}.\n" | |
790 | "\n" | |
791 | "@lisp\n" | |
b380b885 MD |
792 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
793 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
794 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
795 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 796 | "@end lisp") |
1bbd0b84 | 797 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 798 | { |
34d19ef6 HWN |
799 | SCM res, vargs; |
800 | SCM const *ve = &vargs; | |
92c2555f | 801 | scm_t_array_dim *s, *r; |
0f2d19dd | 802 | int ndim, i, k; |
af45e3b0 | 803 | |
b3fcac34 | 804 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 805 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 806 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
807 | { |
808 | default: | |
276dd677 | 809 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
810 | case scm_tc7_bvect: |
811 | case scm_tc7_string: | |
812 | case scm_tc7_byvect: | |
813 | case scm_tc7_uvect: | |
814 | case scm_tc7_ivect: | |
815 | case scm_tc7_fvect: | |
816 | case scm_tc7_dvect: | |
817 | case scm_tc7_cvect: | |
818 | case scm_tc7_svect: | |
2a5cd898 | 819 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
820 | case scm_tc7_llvect: |
821 | #endif | |
d2e53ed6 | 822 | if (scm_is_null (args) || !scm_is_null (SCM_CDR (args))) |
b3fcac34 | 823 | SCM_WRONG_NUM_ARGS (); |
a55c2b68 MV |
824 | SCM_VALIDATE_INT_COPY (SCM_ARG2, SCM_CAR (args), i); |
825 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), i == 0); | |
0f2d19dd JB |
826 | return ra; |
827 | case scm_tc7_smob: | |
828 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
829 | vargs = scm_vector (args); | |
b3fcac34 DH |
830 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
831 | SCM_WRONG_NUM_ARGS (); | |
832 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
833 | ndim = 0; |
834 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
835 | { | |
e11e83f3 | 836 | i = scm_to_signed_integer (ve[k], 0, SCM_ARRAY_NDIM(ra)); |
0f2d19dd JB |
837 | if (ndim < i) |
838 | ndim = i; | |
839 | } | |
840 | ndim++; | |
841 | res = scm_make_ra (ndim); | |
842 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
843 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
844 | for (k = ndim; k--;) | |
845 | { | |
846 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
847 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
848 | } | |
849 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
850 | { | |
e11e83f3 | 851 | i = scm_to_int (ve[k]); |
0f2d19dd JB |
852 | s = &(SCM_ARRAY_DIMS (ra)[k]); |
853 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
854 | if (r->ubnd < r->lbnd) | |
855 | { | |
856 | r->lbnd = s->lbnd; | |
857 | r->ubnd = s->ubnd; | |
858 | r->inc = s->inc; | |
859 | ndim--; | |
860 | } | |
861 | else | |
862 | { | |
863 | if (r->ubnd > s->ubnd) | |
864 | r->ubnd = s->ubnd; | |
865 | if (r->lbnd < s->lbnd) | |
866 | { | |
867 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
868 | r->lbnd = s->lbnd; | |
869 | } | |
870 | r->inc += s->inc; | |
871 | } | |
872 | } | |
b3fcac34 DH |
873 | if (ndim > 0) |
874 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
875 | scm_ra_set_contp (res); |
876 | return res; | |
877 | } | |
878 | } | |
1bbd0b84 | 879 | #undef FUNC_NAME |
0f2d19dd JB |
880 | |
881 | /* args are RA . AXES */ | |
af45e3b0 DH |
882 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
883 | (SCM ra, SCM axes), | |
b380b885 MD |
884 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
885 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
886 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
887 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
888 | "the dimensions of the outer array are the same as those of the original\n" | |
889 | "array that did not match a @var{dim}.\n\n" | |
890 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
891 | "be set using @code{array-set!}. Two references to the same element of\n" | |
892 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
893 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
894 | "enclosed array is unspecified.\n\n" | |
895 | "examples:\n" | |
1e6808ea | 896 | "@lisp\n" |
b380b885 MD |
897 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
898 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
899 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
900 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 901 | "@end lisp") |
1bbd0b84 | 902 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 903 | { |
af45e3b0 | 904 | SCM axv, res, ra_inr; |
cc95e00a | 905 | const char *c_axv; |
92c2555f | 906 | scm_t_array_dim vdim, *s = &vdim; |
0f2d19dd | 907 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 908 | |
b3fcac34 | 909 | SCM_VALIDATE_REST_ARGUMENT (axes); |
d2e53ed6 | 910 | if (scm_is_null (axes)) |
e11e83f3 | 911 | axes = scm_cons ((SCM_ARRAYP (ra) ? scm_from_size_t (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
0f2d19dd | 912 | ninr = scm_ilength (axes); |
b3fcac34 DH |
913 | if (ninr < 0) |
914 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
915 | ra_inr = scm_make_ra (ninr); |
916 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 917 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
918 | { |
919 | default: | |
276dd677 | 920 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
921 | case scm_tc7_string: |
922 | case scm_tc7_bvect: | |
923 | case scm_tc7_byvect: | |
924 | case scm_tc7_uvect: | |
925 | case scm_tc7_ivect: | |
926 | case scm_tc7_fvect: | |
927 | case scm_tc7_dvect: | |
928 | case scm_tc7_cvect: | |
929 | case scm_tc7_vector: | |
95f5b0f5 | 930 | case scm_tc7_wvect: |
0f2d19dd | 931 | case scm_tc7_svect: |
2a5cd898 | 932 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
933 | case scm_tc7_llvect: |
934 | #endif | |
935 | s->lbnd = 0; | |
e11e83f3 | 936 | s->ubnd = scm_to_long (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
937 | s->inc = 1; |
938 | SCM_ARRAY_V (ra_inr) = ra; | |
939 | SCM_ARRAY_BASE (ra_inr) = 0; | |
940 | ndim = 1; | |
941 | break; | |
942 | case scm_tc7_smob: | |
943 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
944 | s = SCM_ARRAY_DIMS (ra); | |
945 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
946 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
947 | ndim = SCM_ARRAY_NDIM (ra); | |
948 | break; | |
949 | } | |
950 | noutr = ndim - ninr; | |
b3fcac34 DH |
951 | if (noutr < 0) |
952 | SCM_WRONG_NUM_ARGS (); | |
e11e83f3 | 953 | axv = scm_make_string (scm_from_int (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
954 | res = scm_make_ra (noutr); |
955 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
956 | SCM_ARRAY_V (res) = ra_inr; | |
957 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
958 | { | |
e11e83f3 | 959 | if (!scm_is_integer (SCM_CAR (axes))) |
b3fcac34 | 960 | SCM_MISC_ERROR ("bad axis", SCM_EOL); |
e11e83f3 | 961 | j = scm_to_int (SCM_CAR (axes)); |
0f2d19dd JB |
962 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; |
963 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
964 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
cc95e00a | 965 | scm_c_string_set_x (axv, j, SCM_MAKE_CHAR (1)); |
0f2d19dd | 966 | } |
cc95e00a | 967 | c_axv = scm_i_string_chars (axv); |
0f2d19dd JB |
968 | for (j = 0, k = 0; k < noutr; k++, j++) |
969 | { | |
cc95e00a | 970 | while (c_axv[j]) |
0f2d19dd JB |
971 | j++; |
972 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
973 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
974 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
975 | } | |
cc95e00a | 976 | scm_remember_upto_here_1 (axv); |
0f2d19dd JB |
977 | scm_ra_set_contp (ra_inr); |
978 | scm_ra_set_contp (res); | |
979 | return res; | |
980 | } | |
1bbd0b84 | 981 | #undef FUNC_NAME |
0f2d19dd JB |
982 | |
983 | ||
984 | ||
af45e3b0 DH |
985 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
986 | (SCM v, SCM args), | |
1e6808ea MG |
987 | "Return @code{#t} if its arguments would be acceptable to\n" |
988 | "@code{array-ref}.") | |
1bbd0b84 | 989 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 990 | { |
af45e3b0 | 991 | SCM ind = SCM_EOL; |
c014a02e | 992 | long pos = 0; |
1be6b49c | 993 | register size_t k; |
c014a02e | 994 | register long j; |
92c2555f | 995 | scm_t_array_dim *s; |
af45e3b0 | 996 | |
b3fcac34 | 997 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
998 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
999 | if (SCM_NIMP (args)) | |
1000 | ||
1001 | { | |
1002 | ind = SCM_CAR (args); | |
1003 | args = SCM_CDR (args); | |
e11e83f3 | 1004 | pos = scm_to_long (ind); |
0f2d19dd JB |
1005 | } |
1006 | tail: | |
74014c46 | 1007 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1008 | { |
1009 | default: | |
276dd677 | 1010 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 1011 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1012 | case scm_tc7_smob: |
1013 | k = SCM_ARRAY_NDIM (v); | |
1014 | s = SCM_ARRAY_DIMS (v); | |
1015 | pos = SCM_ARRAY_BASE (v); | |
1016 | if (!k) | |
1017 | { | |
d2e53ed6 | 1018 | SCM_ASRTGO (scm_is_null (ind), wna); |
0f2d19dd JB |
1019 | ind = SCM_INUM0; |
1020 | } | |
1021 | else | |
1022 | while (!0) | |
1023 | { | |
e11e83f3 | 1024 | j = scm_to_long (ind); |
0f2d19dd JB |
1025 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) |
1026 | { | |
1027 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1028 | return SCM_BOOL_F; | |
1029 | } | |
1030 | pos += (j - s->lbnd) * (s->inc); | |
1031 | if (!(--k && SCM_NIMP (args))) | |
1032 | break; | |
1033 | ind = SCM_CAR (args); | |
1034 | args = SCM_CDR (args); | |
1035 | s++; | |
e11e83f3 | 1036 | if (!scm_is_integer (ind)) |
b3fcac34 | 1037 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
1038 | } |
1039 | SCM_ASRTGO (0 == k, wna); | |
1040 | v = SCM_ARRAY_V (v); | |
1041 | goto tail; | |
1042 | case scm_tc7_bvect: | |
1043 | case scm_tc7_string: | |
1044 | case scm_tc7_byvect: | |
1045 | case scm_tc7_uvect: | |
1046 | case scm_tc7_ivect: | |
1047 | case scm_tc7_fvect: | |
1048 | case scm_tc7_dvect: | |
1049 | case scm_tc7_cvect: | |
1050 | case scm_tc7_svect: | |
2a5cd898 | 1051 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1052 | case scm_tc7_llvect: |
1053 | #endif | |
1054 | case scm_tc7_vector: | |
95f5b0f5 | 1055 | case scm_tc7_wvect: |
74014c46 | 1056 | { |
e11e83f3 | 1057 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (v)); |
d2e53ed6 | 1058 | SCM_ASRTGO (scm_is_null (args) && scm_is_integer (ind), wna); |
7888309b | 1059 | return scm_from_bool(pos >= 0 && pos < length); |
74014c46 | 1060 | } |
0f2d19dd JB |
1061 | } |
1062 | } | |
1bbd0b84 | 1063 | #undef FUNC_NAME |
0f2d19dd JB |
1064 | |
1065 | ||
1bbd0b84 | 1066 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1067 | |
1bbd0b84 | 1068 | |
3b3b36dd | 1069 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1070 | (SCM v, SCM args), |
8f85c0c6 | 1071 | "@deffnx {Scheme Procedure} array-ref v . args\n" |
1e6808ea MG |
1072 | "Return the element at the @code{(index1, index2)} element in\n" |
1073 | "@var{array}.") | |
1bbd0b84 | 1074 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd | 1075 | { |
c014a02e | 1076 | long pos; |
0f2d19dd | 1077 | |
35de7ebe | 1078 | if (SCM_IMP (v)) |
0f2d19dd | 1079 | { |
d2e53ed6 | 1080 | SCM_ASRTGO (scm_is_null (args), badarg); |
0f2d19dd JB |
1081 | return v; |
1082 | } | |
1083 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1084 | { |
1bbd0b84 | 1085 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1086 | v = SCM_ARRAY_V (v); |
1087 | } | |
1088 | else | |
1089 | { | |
c014a02e | 1090 | unsigned long int length; |
0f2d19dd | 1091 | if (SCM_NIMP (args)) |
0f2d19dd | 1092 | { |
d2e53ed6 | 1093 | SCM_ASSERT (scm_is_pair (args), args, SCM_ARG2, FUNC_NAME); |
e11e83f3 | 1094 | pos = scm_to_long (SCM_CAR (args)); |
d2e53ed6 | 1095 | SCM_ASRTGO (scm_is_null (SCM_CDR (args)), wna); |
0f2d19dd JB |
1096 | } |
1097 | else | |
1098 | { | |
a55c2b68 | 1099 | pos = scm_to_long (args); |
0f2d19dd | 1100 | } |
e11e83f3 | 1101 | length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 | 1102 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); |
0f2d19dd | 1103 | } |
74014c46 | 1104 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1105 | { |
1106 | default: | |
d2e53ed6 | 1107 | if (scm_is_null (args)) |
0f2d19dd | 1108 | return v; |
35de7ebe | 1109 | badarg: |
276dd677 DH |
1110 | SCM_WRONG_TYPE_ARG (1, v); |
1111 | /* not reached */ | |
c209c88e GB |
1112 | |
1113 | outrng: | |
e11e83f3 | 1114 | scm_out_of_range (FUNC_NAME, scm_from_long (pos)); |
c209c88e | 1115 | wna: |
b3fcac34 | 1116 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1117 | case scm_tc7_smob: |
1118 | { /* enclosed */ | |
1119 | int k = SCM_ARRAY_NDIM (v); | |
1120 | SCM res = scm_make_ra (k); | |
1121 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1122 | SCM_ARRAY_BASE (res) = pos; | |
1123 | while (k--) | |
1124 | { | |
1125 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1126 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1127 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1128 | } | |
1129 | return res; | |
1130 | } | |
1131 | case scm_tc7_bvect: | |
c209c88e | 1132 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1133 | return SCM_BOOL_T; |
1134 | else | |
1135 | return SCM_BOOL_F; | |
1136 | case scm_tc7_string: | |
cc95e00a | 1137 | return scm_c_string_ref (v, pos); |
0f2d19dd | 1138 | case scm_tc7_byvect: |
bebf6a08 | 1139 | return scm_from_schar (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1140 | case scm_tc7_uvect: |
e11e83f3 | 1141 | return scm_from_ulong (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1142 | case scm_tc7_ivect: |
e11e83f3 | 1143 | return scm_from_long (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1144 | |
1145 | case scm_tc7_svect: | |
e11e83f3 | 1146 | return scm_from_short (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1147 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1148 | case scm_tc7_llvect: |
e11e83f3 | 1149 | return scm_from_long_long (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1150 | #endif |
1151 | ||
0f2d19dd | 1152 | case scm_tc7_fvect: |
d9a67fc4 | 1153 | return scm_from_double (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1154 | case scm_tc7_dvect: |
d9a67fc4 | 1155 | return scm_from_double (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1156 | case scm_tc7_cvect: |
7a72bb41 MV |
1157 | return scm_c_make_rectangular (((double *) SCM_CELL_WORD_1(v))[2*pos], |
1158 | ((double *) SCM_CELL_WORD_1(v))[2*pos+1]); | |
0f2d19dd | 1159 | case scm_tc7_vector: |
95f5b0f5 | 1160 | case scm_tc7_wvect: |
0f2d19dd JB |
1161 | return SCM_VELTS (v)[pos]; |
1162 | } | |
1163 | } | |
1bbd0b84 | 1164 | #undef FUNC_NAME |
0f2d19dd JB |
1165 | |
1166 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1167 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1168 | |
0f2d19dd | 1169 | SCM |
c014a02e | 1170 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1171 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1172 | { |
5c11cc9d | 1173 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1174 | { |
1175 | default: | |
db4b4ca6 | 1176 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1177 | case scm_tc7_bvect: |
34d19ef6 | 1178 | if (SCM_BITVEC_REF(v, pos)) |
0f2d19dd JB |
1179 | return SCM_BOOL_T; |
1180 | else | |
1181 | return SCM_BOOL_F; | |
1182 | case scm_tc7_string: | |
cc95e00a | 1183 | return scm_c_string_ref (v, pos); |
0f2d19dd | 1184 | case scm_tc7_byvect: |
e11e83f3 | 1185 | return scm_from_char (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1186 | case scm_tc7_uvect: |
e11e83f3 | 1187 | return scm_from_ulong (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1188 | case scm_tc7_ivect: |
e11e83f3 | 1189 | return scm_from_long (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1190 | case scm_tc7_svect: |
e11e83f3 | 1191 | return scm_from_short (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1192 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1193 | case scm_tc7_llvect: |
e11e83f3 | 1194 | return scm_from_long_long (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1195 | #endif |
0f2d19dd | 1196 | case scm_tc7_fvect: |
bc36d050 | 1197 | if (SCM_REALP (last) && !scm_is_eq (last, scm_flo0)) |
0f2d19dd | 1198 | { |
4260a7fc | 1199 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1200 | return last; |
1201 | } | |
d9a67fc4 | 1202 | return scm_from_double (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1203 | case scm_tc7_dvect: |
bc36d050 | 1204 | if (SCM_REALP (last) && !scm_is_eq (last, scm_flo0)) |
0f2d19dd | 1205 | { |
4260a7fc | 1206 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1207 | return last; |
1208 | } | |
d9a67fc4 | 1209 | return scm_from_double (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1210 | case scm_tc7_cvect: |
3ea39242 | 1211 | if (SCM_COMPLEXP (last)) |
0f2d19dd | 1212 | { |
4260a7fc DH |
1213 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1214 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1215 | return last; |
1216 | } | |
7a72bb41 MV |
1217 | return scm_c_make_rectangular (((double *) SCM_CELL_WORD_1(v))[2*pos], |
1218 | ((double *) SCM_CELL_WORD_1(v))[2*pos+1]); | |
0f2d19dd | 1219 | case scm_tc7_vector: |
95f5b0f5 | 1220 | case scm_tc7_wvect: |
0f2d19dd JB |
1221 | return SCM_VELTS (v)[pos]; |
1222 | case scm_tc7_smob: | |
1223 | { /* enclosed scm_array */ | |
1224 | int k = SCM_ARRAY_NDIM (v); | |
1225 | SCM res = scm_make_ra (k); | |
1226 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1227 | SCM_ARRAY_BASE (res) = pos; | |
1228 | while (k--) | |
1229 | { | |
1230 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1231 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1232 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1233 | } | |
1234 | return res; | |
1235 | } | |
1236 | } | |
1237 | } | |
db4b4ca6 DH |
1238 | #undef FUNC_NAME |
1239 | ||
0f2d19dd | 1240 | |
1bbd0b84 GB |
1241 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1242 | ||
1cc91f1b | 1243 | |
0aa0871f GH |
1244 | /* Note that args may be a list or an immediate object, depending which |
1245 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1246 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1247 | (SCM v, SCM obj, SCM args), |
8f85c0c6 NJ |
1248 | "@deffnx {Scheme Procedure} uniform-array-set1! v obj args\n" |
1249 | "Set the element at the @code{(index1, index2)} element in @var{array} to\n" | |
b380b885 | 1250 | "@var{new-value}. The value returned by array-set! is unspecified.") |
1bbd0b84 | 1251 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1252 | { |
c014a02e | 1253 | long pos = 0; |
b3fcac34 | 1254 | |
0f2d19dd JB |
1255 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1256 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1257 | { |
1bbd0b84 | 1258 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1259 | v = SCM_ARRAY_V (v); |
1260 | } | |
1261 | else | |
1262 | { | |
c014a02e | 1263 | unsigned long int length; |
d2e53ed6 | 1264 | if (scm_is_pair (args)) |
0f2d19dd | 1265 | { |
d2e53ed6 | 1266 | SCM_ASRTGO (scm_is_null (SCM_CDR (args)), wna); |
e11e83f3 | 1267 | pos = scm_to_long (SCM_CAR (args)); |
0f2d19dd JB |
1268 | } |
1269 | else | |
1270 | { | |
a55c2b68 | 1271 | pos = scm_to_long (args); |
0f2d19dd | 1272 | } |
e11e83f3 | 1273 | length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 | 1274 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); |
0f2d19dd JB |
1275 | } |
1276 | switch (SCM_TYP7 (v)) | |
1277 | { | |
35de7ebe | 1278 | default: badarg1: |
276dd677 DH |
1279 | SCM_WRONG_TYPE_ARG (1, v); |
1280 | /* not reached */ | |
c209c88e | 1281 | outrng: |
e11e83f3 | 1282 | scm_out_of_range (FUNC_NAME, scm_from_long (pos)); |
c209c88e | 1283 | wna: |
b3fcac34 | 1284 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1285 | case scm_tc7_smob: /* enclosed */ |
1286 | goto badarg1; | |
1287 | case scm_tc7_bvect: | |
7888309b | 1288 | if (scm_is_false (obj)) |
34d19ef6 | 1289 | SCM_BITVEC_CLR(v, pos); |
bc36d050 | 1290 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
34d19ef6 | 1291 | SCM_BITVEC_SET(v, pos); |
0f2d19dd | 1292 | else |
276dd677 | 1293 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1294 | break; |
1295 | case scm_tc7_string: | |
7866a09b | 1296 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
cc95e00a | 1297 | scm_c_string_set_x (v, pos, obj); |
0f2d19dd JB |
1298 | break; |
1299 | case scm_tc7_byvect: | |
7866a09b | 1300 | if (SCM_CHARP (obj)) |
bebf6a08 KR |
1301 | obj = scm_from_schar ((char) SCM_CHAR (obj)); |
1302 | ((char *) SCM_UVECTOR_BASE (v))[pos] = scm_to_schar (obj); | |
0f2d19dd | 1303 | break; |
1bbd0b84 | 1304 | case scm_tc7_uvect: |
b9bd8526 | 1305 | ((unsigned long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_ulong (obj); |
c209c88e | 1306 | break; |
1bbd0b84 | 1307 | case scm_tc7_ivect: |
b9bd8526 | 1308 | ((long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_long (obj); |
c209c88e | 1309 | break; |
0f2d19dd | 1310 | case scm_tc7_svect: |
b9bd8526 | 1311 | ((short *) SCM_UVECTOR_BASE (v))[pos] = scm_to_short (obj); |
0f2d19dd | 1312 | break; |
2a5cd898 | 1313 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1314 | case scm_tc7_llvect: |
b9bd8526 | 1315 | ((long long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_long_long (obj); |
0f2d19dd JB |
1316 | break; |
1317 | #endif | |
0f2d19dd | 1318 | case scm_tc7_fvect: |
d9a67fc4 | 1319 | ((float *) SCM_UVECTOR_BASE (v))[pos] = scm_to_double (obj); |
0f2d19dd | 1320 | break; |
0f2d19dd | 1321 | case scm_tc7_dvect: |
d9a67fc4 | 1322 | ((double *) SCM_UVECTOR_BASE (v))[pos] = scm_to_double (obj); |
0f2d19dd JB |
1323 | break; |
1324 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1325 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1326 | if (SCM_REALP (obj)) { | |
729dbac3 DH |
1327 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_REAL_VALUE (obj); |
1328 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = 0.0; | |
eb42e2f0 | 1329 | } else { |
729dbac3 DH |
1330 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_COMPLEX_REAL (obj); |
1331 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
eb42e2f0 | 1332 | } |
0f2d19dd | 1333 | break; |
0f2d19dd | 1334 | case scm_tc7_vector: |
95f5b0f5 | 1335 | case scm_tc7_wvect: |
34d19ef6 | 1336 | SCM_VECTOR_SET (v, pos, obj); |
0f2d19dd JB |
1337 | break; |
1338 | } | |
1339 | return SCM_UNSPECIFIED; | |
1340 | } | |
1bbd0b84 | 1341 | #undef FUNC_NAME |
0f2d19dd | 1342 | |
1d7bdb25 GH |
1343 | /* attempts to unroll an array into a one-dimensional array. |
1344 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1345 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1346 | wouldn't have contiguous elements. */ |
3b3b36dd | 1347 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1348 | (SCM ra, SCM strict), |
b380b885 MD |
1349 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" |
1350 | "without changing their order (last subscript changing fastest), then\n" | |
1351 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1352 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1353 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1354 | "@var{make-shared-array} may not be.\n\n" | |
1355 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1356 | "be returned only if its elements are stored internally contiguous in\n" | |
1357 | "memory.") | |
1bbd0b84 | 1358 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1359 | { |
1360 | SCM sra; | |
1361 | if (SCM_IMP (ra)) | |
f3667f52 | 1362 | return SCM_BOOL_F; |
5c11cc9d | 1363 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1364 | { |
1365 | default: | |
1366 | return SCM_BOOL_F; | |
1367 | case scm_tc7_vector: | |
95f5b0f5 | 1368 | case scm_tc7_wvect: |
0f2d19dd JB |
1369 | case scm_tc7_string: |
1370 | case scm_tc7_bvect: | |
1371 | case scm_tc7_byvect: | |
1372 | case scm_tc7_uvect: | |
1373 | case scm_tc7_ivect: | |
1374 | case scm_tc7_fvect: | |
1375 | case scm_tc7_dvect: | |
1376 | case scm_tc7_cvect: | |
1377 | case scm_tc7_svect: | |
2a5cd898 | 1378 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1379 | case scm_tc7_llvect: |
1380 | #endif | |
1381 | return ra; | |
1382 | case scm_tc7_smob: | |
1383 | { | |
c014a02e | 1384 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1385 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1386 | return SCM_BOOL_F; | |
1387 | for (k = 0; k < ndim; k++) | |
1388 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1389 | if (!SCM_UNBNDP (strict)) | |
1390 | { | |
0f2d19dd JB |
1391 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1392 | return SCM_BOOL_F; | |
1393 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1394 | { | |
74014c46 | 1395 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1396 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1397 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1398 | return SCM_BOOL_F; |
1399 | } | |
1400 | } | |
74014c46 DH |
1401 | |
1402 | { | |
1403 | SCM v = SCM_ARRAY_V (ra); | |
e11e83f3 | 1404 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 DH |
1405 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1406 | return v; | |
1407 | } | |
1408 | ||
0f2d19dd JB |
1409 | sra = scm_make_ra (1); |
1410 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1411 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1412 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1413 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1414 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1415 | return sra; | |
1416 | } | |
1417 | } | |
1418 | } | |
1bbd0b84 | 1419 | #undef FUNC_NAME |
0f2d19dd | 1420 | |
1cc91f1b | 1421 | |
0f2d19dd | 1422 | SCM |
6e8d25a6 | 1423 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1424 | { |
1425 | SCM ret; | |
c014a02e ML |
1426 | long inc = 1; |
1427 | size_t k, len = 1; | |
0f2d19dd JB |
1428 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1429 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1430 | k = SCM_ARRAY_NDIM (ra); | |
1431 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1432 | { | |
74014c46 | 1433 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1434 | return ra; |
74014c46 | 1435 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1436 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1437 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1438 | return ra; |
1439 | } | |
1440 | ret = scm_make_ra (k); | |
1441 | SCM_ARRAY_BASE (ret) = 0; | |
1442 | while (k--) | |
1443 | { | |
1444 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1445 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1446 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1447 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1448 | } | |
08112c95 | 1449 | SCM_ARRAY_V (ret) = scm_make_uve (inc, scm_array_prototype (ra)); |
0f2d19dd JB |
1450 | if (copy) |
1451 | scm_array_copy_x (ra, ret); | |
1452 | return ret; | |
1453 | } | |
1454 | ||
1455 | ||
1456 | ||
3b3b36dd | 1457 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1458 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 NJ |
1459 | "@deffnx {Scheme Procedure} uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1460 | "Attempt to read all elements of @var{ura}, in lexicographic order, as\n" | |
b380b885 | 1461 | "binary objects from @var{port-or-fdes}.\n" |
8f85c0c6 NJ |
1462 | "If an end of file is encountered,\n" |
1463 | "the objects up to that point are put into @var{ura}\n" | |
b380b885 MD |
1464 | "(starting at the beginning) and the remainder of the array is\n" |
1465 | "unchanged.\n\n" | |
1466 | "The optional arguments @var{start} and @var{end} allow\n" | |
1467 | "a specified region of a vector (or linearized array) to be read,\n" | |
1468 | "leaving the remainder of the vector unchanged.\n\n" | |
1469 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1470 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1471 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1472 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1473 | { |
35de7ebe | 1474 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1475 | long sz, vlen, ans; |
1476 | long cstart = 0; | |
1477 | long cend; | |
1478 | long offset = 0; | |
405aaef9 | 1479 | char *base; |
35de7ebe | 1480 | |
0f2d19dd | 1481 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1482 | if (SCM_UNBNDP (port_or_fd)) |
1483 | port_or_fd = scm_cur_inp; | |
1484 | else | |
e11e83f3 | 1485 | SCM_ASSERT (scm_is_integer (port_or_fd) |
0c95b57d | 1486 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1487 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1488 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1489 | ? 0 | |
e11e83f3 | 1490 | : scm_to_long (scm_uniform_vector_length (v))); |
35de7ebe | 1491 | |
0f2d19dd | 1492 | loop: |
35de7ebe | 1493 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1494 | { |
1495 | default: | |
276dd677 | 1496 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd JB |
1497 | case scm_tc7_smob: |
1498 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1499 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1500 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1501 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1502 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1503 | v = SCM_ARRAY_V (cra); | |
1504 | goto loop; | |
1505 | case scm_tc7_string: | |
cc95e00a | 1506 | base = NULL; /* writing to strings is special, see below. */ |
0f2d19dd JB |
1507 | sz = sizeof (char); |
1508 | break; | |
1509 | case scm_tc7_bvect: | |
74014c46 | 1510 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1511 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1512 | cstart /= SCM_LONG_BIT; | |
1513 | sz = sizeof (long); | |
74014c46 DH |
1514 | break; |
1515 | case scm_tc7_byvect: | |
1516 | base = (char *) SCM_UVECTOR_BASE (v); | |
1517 | sz = sizeof (char); | |
1518 | break; | |
0f2d19dd JB |
1519 | case scm_tc7_uvect: |
1520 | case scm_tc7_ivect: | |
74014c46 | 1521 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1522 | sz = sizeof (long); |
1523 | break; | |
1524 | case scm_tc7_svect: | |
74014c46 | 1525 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1526 | sz = sizeof (short); |
1527 | break; | |
2a5cd898 | 1528 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1529 | case scm_tc7_llvect: |
74014c46 | 1530 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1531 | sz = sizeof (long long); |
0f2d19dd JB |
1532 | break; |
1533 | #endif | |
0f2d19dd | 1534 | case scm_tc7_fvect: |
74014c46 | 1535 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1536 | sz = sizeof (float); |
1537 | break; | |
0f2d19dd | 1538 | case scm_tc7_dvect: |
74014c46 | 1539 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1540 | sz = sizeof (double); |
1541 | break; | |
1542 | case scm_tc7_cvect: | |
74014c46 | 1543 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1544 | sz = 2 * sizeof (double); |
1545 | break; | |
0f2d19dd | 1546 | } |
405aaef9 | 1547 | |
1146b6cd GH |
1548 | cend = vlen; |
1549 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1550 | { |
1146b6cd | 1551 | offset = |
c014a02e | 1552 | SCM_NUM2LONG (3, start); |
35de7ebe | 1553 | |
1146b6cd | 1554 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1555 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1556 | |
1557 | if (!SCM_UNBNDP (end)) | |
1558 | { | |
c014a02e ML |
1559 | long tend = |
1560 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1561 | |
1146b6cd | 1562 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1563 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1564 | cend = tend; |
1565 | } | |
0f2d19dd | 1566 | } |
35de7ebe | 1567 | |
3d8d56df GH |
1568 | if (SCM_NIMP (port_or_fd)) |
1569 | { | |
92c2555f | 1570 | scm_t_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1571 | int remaining = (cend - offset) * sz; |
cc95e00a | 1572 | size_t off = (cstart + offset) * sz; |
6c951427 GH |
1573 | |
1574 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1575 | scm_flush (port_or_fd); |
6c951427 GH |
1576 | |
1577 | ans = cend - offset; | |
1578 | while (remaining > 0) | |
3d8d56df | 1579 | { |
6c951427 GH |
1580 | if (pt->read_pos < pt->read_end) |
1581 | { | |
1582 | int to_copy = min (pt->read_end - pt->read_pos, | |
1583 | remaining); | |
1584 | ||
cc95e00a MV |
1585 | if (base == NULL) |
1586 | { | |
1587 | /* strings */ | |
1588 | char *b = scm_i_string_writable_chars (v); | |
1589 | memcpy (b + off, pt->read_pos, to_copy); | |
1590 | scm_i_string_stop_writing (); | |
1591 | } | |
1592 | else | |
1593 | memcpy (base + off, pt->read_pos, to_copy); | |
6c951427 GH |
1594 | pt->read_pos += to_copy; |
1595 | remaining -= to_copy; | |
cc95e00a | 1596 | off += to_copy; |
6c951427 GH |
1597 | } |
1598 | else | |
1599 | { | |
affc96b5 | 1600 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1601 | { |
1602 | if (remaining % sz != 0) | |
1603 | { | |
5d2d2ffc | 1604 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1605 | } |
1606 | ans -= remaining / sz; | |
1607 | break; | |
1608 | } | |
6c951427 | 1609 | } |
3d8d56df | 1610 | } |
6c951427 GH |
1611 | |
1612 | if (pt->rw_random) | |
1613 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1614 | } |
1615 | else /* file descriptor. */ | |
1616 | { | |
cc95e00a MV |
1617 | if (base == NULL) |
1618 | { | |
1619 | /* strings */ | |
1620 | char *b = scm_i_string_writable_chars (v); | |
1621 | SCM_SYSCALL (ans = read (scm_to_int (port_or_fd), | |
1622 | b + (cstart + offset) * sz, | |
1623 | (sz * (cend - offset)))); | |
1624 | scm_i_string_stop_writing (); | |
1625 | } | |
1626 | else | |
1627 | SCM_SYSCALL (ans = read (scm_to_int (port_or_fd), | |
1628 | base + (cstart + offset) * sz, | |
1629 | (sz * (cend - offset)))); | |
3d8d56df | 1630 | if (ans == -1) |
1bbd0b84 | 1631 | SCM_SYSERROR; |
3d8d56df | 1632 | } |
0f2d19dd | 1633 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1634 | ans *= SCM_LONG_BIT; |
35de7ebe | 1635 | |
bc36d050 | 1636 | if (!scm_is_eq (v, ra) && !scm_is_eq (cra, ra)) |
0f2d19dd | 1637 | scm_array_copy_x (cra, ra); |
35de7ebe | 1638 | |
e11e83f3 | 1639 | return scm_from_long (ans); |
0f2d19dd | 1640 | } |
1bbd0b84 | 1641 | #undef FUNC_NAME |
0f2d19dd | 1642 | |
3b3b36dd | 1643 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1644 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 | 1645 | "@deffnx {Scheme Procedure} uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
b380b885 MD |
1646 | "Writes all elements of @var{ura} as binary objects to\n" |
1647 | "@var{port-or-fdes}.\n\n" | |
1648 | "The optional arguments @var{start}\n" | |
1649 | "and @var{end} allow\n" | |
1650 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
9401323e | 1651 | "The number of objects actually written is returned.\n" |
b380b885 MD |
1652 | "@var{port-or-fdes} may be\n" |
1653 | "omitted, in which case it defaults to the value returned by\n" | |
1654 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1655 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1656 | { |
c014a02e ML |
1657 | long sz, vlen, ans; |
1658 | long offset = 0; | |
1659 | long cstart = 0; | |
1660 | long cend; | |
cc95e00a | 1661 | const char *base; |
3d8d56df | 1662 | |
78446828 MV |
1663 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1664 | ||
0f2d19dd | 1665 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1666 | if (SCM_UNBNDP (port_or_fd)) |
1667 | port_or_fd = scm_cur_outp; | |
1668 | else | |
e11e83f3 | 1669 | SCM_ASSERT (scm_is_integer (port_or_fd) |
0c95b57d | 1670 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1671 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1672 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1673 | ? 0 | |
e11e83f3 | 1674 | : scm_to_long (scm_uniform_vector_length (v))); |
d245ce23 | 1675 | |
0f2d19dd | 1676 | loop: |
3d8d56df | 1677 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1678 | { |
1679 | default: | |
276dd677 | 1680 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1681 | case scm_tc7_smob: |
1682 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1683 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1684 | cstart = SCM_ARRAY_BASE (v); |
d245ce23 MD |
1685 | vlen = (SCM_ARRAY_DIMS (v)->inc |
1686 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1)); | |
0f2d19dd JB |
1687 | v = SCM_ARRAY_V (v); |
1688 | goto loop; | |
0f2d19dd | 1689 | case scm_tc7_string: |
cc95e00a | 1690 | base = scm_i_string_chars (v); |
0f2d19dd JB |
1691 | sz = sizeof (char); |
1692 | break; | |
1693 | case scm_tc7_bvect: | |
74014c46 | 1694 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1695 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1696 | cstart /= SCM_LONG_BIT; | |
1697 | sz = sizeof (long); | |
74014c46 DH |
1698 | break; |
1699 | case scm_tc7_byvect: | |
1700 | base = (char *) SCM_UVECTOR_BASE (v); | |
1701 | sz = sizeof (char); | |
1702 | break; | |
0f2d19dd JB |
1703 | case scm_tc7_uvect: |
1704 | case scm_tc7_ivect: | |
74014c46 | 1705 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1706 | sz = sizeof (long); |
1707 | break; | |
1708 | case scm_tc7_svect: | |
74014c46 | 1709 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1710 | sz = sizeof (short); |
1711 | break; | |
2a5cd898 | 1712 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1713 | case scm_tc7_llvect: |
74014c46 | 1714 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1715 | sz = sizeof (long long); |
0f2d19dd JB |
1716 | break; |
1717 | #endif | |
0f2d19dd | 1718 | case scm_tc7_fvect: |
74014c46 | 1719 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1720 | sz = sizeof (float); |
1721 | break; | |
0f2d19dd | 1722 | case scm_tc7_dvect: |
74014c46 | 1723 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1724 | sz = sizeof (double); |
1725 | break; | |
1726 | case scm_tc7_cvect: | |
74014c46 | 1727 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1728 | sz = 2 * sizeof (double); |
1729 | break; | |
0f2d19dd | 1730 | } |
3d8d56df | 1731 | |
1146b6cd GH |
1732 | cend = vlen; |
1733 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1734 | { |
1146b6cd | 1735 | offset = |
c014a02e | 1736 | SCM_NUM2LONG (3, start); |
3d8d56df | 1737 | |
1146b6cd | 1738 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1739 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1740 | |
1741 | if (!SCM_UNBNDP (end)) | |
1742 | { | |
c014a02e ML |
1743 | long tend = |
1744 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1745 | |
1146b6cd | 1746 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1747 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1748 | cend = tend; |
1749 | } | |
3d8d56df GH |
1750 | } |
1751 | ||
1752 | if (SCM_NIMP (port_or_fd)) | |
1753 | { | |
cc95e00a | 1754 | const char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1755 | |
1756 | ans = cend - offset; | |
265e6a4d | 1757 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1758 | } |
1759 | else /* file descriptor. */ | |
1760 | { | |
e11e83f3 | 1761 | SCM_SYSCALL (ans = write (scm_to_int (port_or_fd), |
405aaef9 | 1762 | base + (cstart + offset) * sz, |
1be6b49c | 1763 | (sz * (cend - offset)))); |
3d8d56df | 1764 | if (ans == -1) |
1bbd0b84 | 1765 | SCM_SYSERROR; |
3d8d56df | 1766 | } |
0f2d19dd | 1767 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1768 | ans *= SCM_LONG_BIT; |
3d8d56df | 1769 | |
e11e83f3 | 1770 | return scm_from_long (ans); |
0f2d19dd | 1771 | } |
1bbd0b84 | 1772 | #undef FUNC_NAME |
0f2d19dd JB |
1773 | |
1774 | ||
1775 | static char cnt_tab[16] = | |
1776 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1777 | ||
3b3b36dd | 1778 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1779 | (SCM b, SCM bitvector), |
1e6808ea | 1780 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1781 | "@var{bitvector}.") |
1bbd0b84 | 1782 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1783 | { |
44e47754 | 1784 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1785 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1786 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1787 | return SCM_INUM0; |
1788 | } else { | |
c014a02e ML |
1789 | unsigned long int count = 0; |
1790 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1791 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1792 | if (scm_is_false (b)) { |
44e47754 DH |
1793 | w = ~w; |
1794 | }; | |
c014a02e | 1795 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1796 | while (1) { |
1797 | while (w) { | |
1798 | count += cnt_tab[w & 0x0f]; | |
1799 | w >>= 4; | |
1800 | } | |
1801 | if (i == 0) { | |
e11e83f3 | 1802 | return scm_from_ulong (count); |
44e47754 DH |
1803 | } else { |
1804 | --i; | |
1805 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1806 | if (scm_is_false (b)) { |
44e47754 | 1807 | w = ~w; |
0f2d19dd | 1808 | } |
44e47754 | 1809 | } |
0f2d19dd | 1810 | } |
44e47754 | 1811 | } |
0f2d19dd | 1812 | } |
1bbd0b84 | 1813 | #undef FUNC_NAME |
0f2d19dd JB |
1814 | |
1815 | ||
3b3b36dd | 1816 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1817 | (SCM item, SCM v, SCM k), |
88ecf5cb KR |
1818 | "Return the index of the first occurrance of @var{item} in bit\n" |
1819 | "vector @var{v}, starting from @var{k}. If there is no\n" | |
1820 | "@var{item} entry between @var{k} and the end of\n" | |
1821 | "@var{bitvector}, then return @code{#f}. For example,\n" | |
1822 | "\n" | |
1823 | "@example\n" | |
1824 | "(bit-position #t #*000101 0) @result{} 3\n" | |
1825 | "(bit-position #f #*0001111 3) @result{} #f\n" | |
1826 | "@end example") | |
1bbd0b84 | 1827 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1828 | { |
c014a02e ML |
1829 | long i, lenw, xbits, pos; |
1830 | register unsigned long w; | |
74014c46 DH |
1831 | |
1832 | SCM_VALIDATE_BOOL (1, item); | |
1833 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
a55c2b68 | 1834 | pos = scm_to_long (k); |
74014c46 DH |
1835 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1836 | ||
1837 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1838 | return SCM_BOOL_F; |
74014c46 | 1839 | |
c014a02e ML |
1840 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1841 | i = pos / SCM_LONG_BIT; | |
74014c46 | 1842 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1843 | if (scm_is_false (item)) |
74014c46 | 1844 | w = ~w; |
c014a02e | 1845 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1846 | pos -= xbits; |
1847 | w = ((w >> xbits) << xbits); | |
c014a02e | 1848 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1849 | while (!0) |
1850 | { | |
1851 | if (w && (i == lenw)) | |
1852 | w = ((w << xbits) >> xbits); | |
1853 | if (w) | |
1854 | while (w) | |
1855 | switch (w & 0x0f) | |
1856 | { | |
1857 | default: | |
e11e83f3 | 1858 | return scm_from_long (pos); |
74014c46 DH |
1859 | case 2: |
1860 | case 6: | |
1861 | case 10: | |
1862 | case 14: | |
e11e83f3 | 1863 | return scm_from_long (pos + 1); |
74014c46 DH |
1864 | case 4: |
1865 | case 12: | |
e11e83f3 | 1866 | return scm_from_long (pos + 2); |
74014c46 | 1867 | case 8: |
e11e83f3 | 1868 | return scm_from_long (pos + 3); |
74014c46 DH |
1869 | case 0: |
1870 | pos += 4; | |
1871 | w >>= 4; | |
1872 | } | |
1873 | if (++i > lenw) | |
1874 | break; | |
c014a02e | 1875 | pos += SCM_LONG_BIT; |
f1267706 | 1876 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1877 | if (scm_is_false (item)) |
0f2d19dd | 1878 | w = ~w; |
0f2d19dd | 1879 | } |
74014c46 | 1880 | return SCM_BOOL_F; |
0f2d19dd | 1881 | } |
1bbd0b84 | 1882 | #undef FUNC_NAME |
0f2d19dd JB |
1883 | |
1884 | ||
3b3b36dd | 1885 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 | 1886 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1887 | "Set entries of bit vector @var{v} to @var{obj}, with @var{kv}\n" |
1888 | "selecting the entries to change. The return value is\n" | |
1889 | "unspecified.\n" | |
1890 | "\n" | |
1891 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1892 | "@code{#t} are the ones in @var{v} which are set to @var{obj}.\n" | |
1893 | "@var{kv} and @var{v} must be the same length. When @var{obj}\n" | |
1894 | "is @code{#t} it's like @var{kv} is OR'ed into @var{v}. Or when\n" | |
1895 | "@var{obj} is @code{#f} it can be seen as an ANDNOT.\n" | |
1896 | "\n" | |
1897 | "@example\n" | |
1898 | "(define bv #*01000010)\n" | |
1899 | "(bit-set*! bv #*10010001 #t)\n" | |
1900 | "bv\n" | |
1901 | "@result{} #*11010011\n" | |
1902 | "@end example\n" | |
1903 | "\n" | |
1904 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1905 | "they're indexes into @var{v} which are set to @var{obj}.\n" | |
1906 | "\n" | |
1907 | "@example\n" | |
1908 | "(define bv #*01000010)\n" | |
1909 | "(bit-set*! bv #u(5 2 7) #t)\n" | |
1910 | "bv\n" | |
1911 | "@result{} #*01100111\n" | |
1912 | "@end example") | |
1bbd0b84 | 1913 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1914 | { |
c014a02e | 1915 | register long i, k, vlen; |
74014c46 | 1916 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1917 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1918 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1919 | { |
1920 | default: | |
276dd677 | 1921 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1922 | case scm_tc7_uvect: |
74014c46 | 1923 | vlen = SCM_BITVECTOR_LENGTH (v); |
7888309b | 1924 | if (scm_is_false (obj)) |
74014c46 DH |
1925 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1926 | { | |
c014a02e | 1927 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1928 | if (k >= vlen) |
e11e83f3 | 1929 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 1930 | SCM_BITVEC_CLR(v, k); |
74014c46 | 1931 | } |
bc36d050 | 1932 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
74014c46 DH |
1933 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1934 | { | |
c014a02e | 1935 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1936 | if (k >= vlen) |
e11e83f3 | 1937 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 1938 | SCM_BITVEC_SET(v, k); |
74014c46 DH |
1939 | } |
1940 | else | |
276dd677 | 1941 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1942 | break; |
1943 | case scm_tc7_bvect: | |
74014c46 | 1944 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
7888309b | 1945 | if (scm_is_false (obj)) |
c014a02e | 1946 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1947 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; |
bc36d050 | 1948 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
c014a02e | 1949 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1950 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; |
0f2d19dd JB |
1951 | else |
1952 | goto badarg3; | |
1953 | break; | |
1954 | } | |
1955 | return SCM_UNSPECIFIED; | |
1956 | } | |
1bbd0b84 | 1957 | #undef FUNC_NAME |
0f2d19dd JB |
1958 | |
1959 | ||
3b3b36dd | 1960 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1961 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1962 | "Return a count of how many entries in bit vector @var{v} are\n" |
1963 | "equal to @var{obj}, with @var{kv} selecting the entries to\n" | |
1964 | "consider.\n" | |
1965 | "\n" | |
1966 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1967 | "@code{#t} are the ones in @var{v} which are considered.\n" | |
1968 | "@var{kv} and @var{v} must be the same length.\n" | |
1969 | "\n" | |
1970 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1971 | "it's the indexes in @var{v} to consider.\n" | |
1972 | "\n" | |
1973 | "For example,\n" | |
1974 | "\n" | |
1975 | "@example\n" | |
1976 | "(bit-count* #*01110111 #*11001101 #t) @result{} 3\n" | |
1977 | "(bit-count* #*01110111 #u(7 0 4) #f) @result{} 2\n" | |
1978 | "@end example") | |
1bbd0b84 | 1979 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1980 | { |
c014a02e ML |
1981 | register long i, vlen, count = 0; |
1982 | register unsigned long k; | |
41b0806d | 1983 | int fObj = 0; |
c209c88e | 1984 | |
74014c46 | 1985 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1986 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1987 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1988 | { |
1989 | default: | |
c209c88e | 1990 | badarg2: |
276dd677 | 1991 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1992 | case scm_tc7_uvect: |
74014c46 | 1993 | vlen = SCM_BITVECTOR_LENGTH (v); |
7888309b | 1994 | if (scm_is_false (obj)) |
74014c46 DH |
1995 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1996 | { | |
c014a02e | 1997 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1998 | if (k >= vlen) |
e11e83f3 | 1999 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 2000 | if (!SCM_BITVEC_REF(v, k)) |
74014c46 DH |
2001 | count++; |
2002 | } | |
bc36d050 | 2003 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
74014c46 DH |
2004 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
2005 | { | |
c014a02e | 2006 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 2007 | if (k >= vlen) |
e11e83f3 | 2008 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 2009 | if (SCM_BITVEC_REF (v, k)) |
74014c46 DH |
2010 | count++; |
2011 | } | |
2012 | else | |
276dd677 | 2013 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
2014 | break; |
2015 | case scm_tc7_bvect: | |
74014c46 DH |
2016 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
2017 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 2018 | return SCM_INUM0; |
7888309b | 2019 | SCM_ASRTGO (scm_is_bool (obj), badarg3); |
bc36d050 | 2020 | fObj = scm_is_eq (obj, SCM_BOOL_T); |
c014a02e ML |
2021 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
2022 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
2023 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 2024 | while (1) |
0f2d19dd JB |
2025 | { |
2026 | for (; k; k >>= 4) | |
2027 | count += cnt_tab[k & 0x0f]; | |
2028 | if (0 == i--) | |
e11e83f3 | 2029 | return scm_from_long (count); |
c209c88e GB |
2030 | |
2031 | /* urg. repetitive (see above.) */ | |
c014a02e | 2032 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
2033 | } |
2034 | } | |
e11e83f3 | 2035 | return scm_from_long (count); |
0f2d19dd | 2036 | } |
1bbd0b84 | 2037 | #undef FUNC_NAME |
0f2d19dd JB |
2038 | |
2039 | ||
3b3b36dd | 2040 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 2041 | (SCM v), |
88ecf5cb KR |
2042 | "Modify the bit vector @var{v} by replacing each element with\n" |
2043 | "its negation.") | |
1bbd0b84 | 2044 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2045 | { |
c014a02e | 2046 | long int k; |
74014c46 DH |
2047 | |
2048 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2049 | ||
2050 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 2051 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 2052 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 2053 | |
0f2d19dd JB |
2054 | return SCM_UNSPECIFIED; |
2055 | } | |
1bbd0b84 | 2056 | #undef FUNC_NAME |
0f2d19dd JB |
2057 | |
2058 | ||
0f2d19dd | 2059 | SCM |
cc95e00a | 2060 | scm_istr2bve (SCM str) |
0f2d19dd | 2061 | { |
cc95e00a | 2062 | size_t len = scm_i_string_length (str); |
0f2d19dd | 2063 | SCM v = scm_make_uve (len, SCM_BOOL_T); |
c014a02e ML |
2064 | long *data = (long *) SCM_VELTS (v); |
2065 | register unsigned long mask; | |
2066 | register long k; | |
2067 | register long j; | |
cc95e00a MV |
2068 | const char *c_str = scm_i_string_chars (str); |
2069 | ||
c014a02e | 2070 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) |
0f2d19dd JB |
2071 | { |
2072 | data[k] = 0L; | |
c014a02e ML |
2073 | j = len - k * SCM_LONG_BIT; |
2074 | if (j > SCM_LONG_BIT) | |
2075 | j = SCM_LONG_BIT; | |
0f2d19dd | 2076 | for (mask = 1L; j--; mask <<= 1) |
cc95e00a | 2077 | switch (*c_str++) |
0f2d19dd JB |
2078 | { |
2079 | case '0': | |
2080 | break; | |
2081 | case '1': | |
2082 | data[k] |= mask; | |
2083 | break; | |
2084 | default: | |
2085 | return SCM_BOOL_F; | |
2086 | } | |
2087 | } | |
2088 | return v; | |
2089 | } | |
2090 | ||
2091 | ||
1cc91f1b | 2092 | |
0f2d19dd | 2093 | static SCM |
34d19ef6 | 2094 | ra2l (SCM ra, unsigned long base, unsigned long k) |
0f2d19dd JB |
2095 | { |
2096 | register SCM res = SCM_EOL; | |
c014a02e ML |
2097 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2098 | register size_t i; | |
0f2d19dd JB |
2099 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
2100 | return SCM_EOL; | |
2101 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2102 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2103 | { | |
2104 | do | |
2105 | { | |
2106 | i -= inc; | |
2107 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2108 | } | |
2109 | while (i != base); | |
2110 | } | |
2111 | else | |
2112 | do | |
2113 | { | |
2114 | i -= inc; | |
e11e83f3 | 2115 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), scm_from_size_t (i)), res); |
0f2d19dd JB |
2116 | } |
2117 | while (i != base); | |
2118 | return res; | |
2119 | } | |
2120 | ||
2121 | ||
cd328b4f | 2122 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2123 | (SCM v), |
1e6808ea MG |
2124 | "Return a list consisting of all the elements, in order, of\n" |
2125 | "@var{array}.") | |
cd328b4f | 2126 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2127 | { |
2128 | SCM res = SCM_EOL; | |
c014a02e | 2129 | register long k; |
0f2d19dd | 2130 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 2131 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2132 | { |
2133 | default: | |
276dd677 | 2134 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2135 | case scm_tc7_smob: |
2136 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2137 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2138 | case scm_tc7_vector: | |
95f5b0f5 | 2139 | case scm_tc7_wvect: |
0f2d19dd JB |
2140 | return scm_vector_to_list (v); |
2141 | case scm_tc7_string: | |
2142 | return scm_string_to_list (v); | |
2143 | case scm_tc7_bvect: | |
2144 | { | |
c014a02e ML |
2145 | long *data = (long *) SCM_VELTS (v); |
2146 | register unsigned long mask; | |
2147 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
2148 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
7888309b | 2149 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
c014a02e | 2150 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
7888309b | 2151 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2152 | return res; |
2153 | } | |
af7546eb DH |
2154 | case scm_tc7_byvect: |
2155 | { | |
2156 | signed char *data = (signed char *) SCM_VELTS (v); | |
c014a02e | 2157 | unsigned long k = SCM_UVECTOR_LENGTH (v); |
af7546eb | 2158 | while (k != 0) |
e11e83f3 | 2159 | res = scm_cons (scm_from_schar (data[--k]), res); |
af7546eb DH |
2160 | return res; |
2161 | } | |
2162 | case scm_tc7_uvect: | |
2163 | { | |
e11e83f3 | 2164 | unsigned long *data = (unsigned long *)SCM_VELTS(v); |
af7546eb | 2165 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
e11e83f3 | 2166 | res = scm_cons(scm_from_ulong (data[k]), res); |
af7546eb DH |
2167 | return res; |
2168 | } | |
2169 | case scm_tc7_ivect: | |
2170 | { | |
c014a02e | 2171 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2172 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
e11e83f3 | 2173 | res = scm_cons(scm_from_long (data[k]), res); |
af7546eb DH |
2174 | return res; |
2175 | } | |
2176 | case scm_tc7_svect: | |
2177 | { | |
2178 | short *data = (short *)SCM_VELTS(v); | |
2179 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
b9bd8526 | 2180 | res = scm_cons (scm_from_short (data[k]), res); |
af7546eb DH |
2181 | return res; |
2182 | } | |
2a5cd898 | 2183 | #if SCM_SIZEOF_LONG_LONG != 0 |
af7546eb DH |
2184 | case scm_tc7_llvect: |
2185 | { | |
1be6b49c | 2186 | long long *data = (long long *)SCM_VELTS(v); |
af7546eb | 2187 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
b9bd8526 | 2188 | res = scm_cons(scm_from_long_long (data[k]), res); |
af7546eb DH |
2189 | return res; |
2190 | } | |
0f2d19dd | 2191 | #endif |
0f2d19dd JB |
2192 | case scm_tc7_fvect: |
2193 | { | |
2194 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2195 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
d9a67fc4 | 2196 | res = scm_cons (scm_from_double (data[k]), res); |
0f2d19dd JB |
2197 | return res; |
2198 | } | |
0f2d19dd JB |
2199 | case scm_tc7_dvect: |
2200 | { | |
2201 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2202 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
d9a67fc4 | 2203 | res = scm_cons (scm_from_double (data[k]), res); |
0f2d19dd JB |
2204 | return res; |
2205 | } | |
2206 | case scm_tc7_cvect: | |
2207 | { | |
2208 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2209 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
7a72bb41 MV |
2210 | res = scm_cons (scm_c_make_rectangular (data[k][0], data[k][1]), |
2211 | res); | |
0f2d19dd JB |
2212 | return res; |
2213 | } | |
0f2d19dd JB |
2214 | } |
2215 | } | |
1bbd0b84 | 2216 | #undef FUNC_NAME |
0f2d19dd JB |
2217 | |
2218 | ||
c014a02e | 2219 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 2220 | |
3b3b36dd | 2221 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2222 | (SCM ndim, SCM prot, SCM lst), |
8f85c0c6 | 2223 | "@deffnx {Scheme Procedure} list->uniform-vector prot lst\n" |
1e6808ea MG |
2224 | "Return a uniform array of the type indicated by prototype\n" |
2225 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2226 | "Elements must be of the appropriate type, no coercions are\n" | |
2227 | "done.") | |
1bbd0b84 | 2228 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2229 | { |
2230 | SCM shp = SCM_EOL; | |
2231 | SCM row = lst; | |
2232 | SCM ra; | |
c014a02e | 2233 | unsigned long k; |
0f2d19dd | 2234 | long n; |
a55c2b68 | 2235 | k = scm_to_ulong (ndim); |
0f2d19dd JB |
2236 | while (k--) |
2237 | { | |
2238 | n = scm_ilength (row); | |
1bbd0b84 | 2239 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
e11e83f3 | 2240 | shp = scm_cons (scm_from_long (n), shp); |
0f2d19dd JB |
2241 | if (SCM_NIMP (row)) |
2242 | row = SCM_CAR (row); | |
2243 | } | |
d12feca3 GH |
2244 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2245 | SCM_UNDEFINED); | |
d2e53ed6 | 2246 | if (scm_is_null (shp)) |
0f2d19dd JB |
2247 | { |
2248 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2249 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2250 | return ra; | |
2251 | } | |
2252 | if (!SCM_ARRAYP (ra)) | |
2253 | { | |
e11e83f3 | 2254 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (ra)); |
74014c46 | 2255 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
e11e83f3 | 2256 | scm_array_set_x (ra, SCM_CAR (lst), scm_from_ulong (k)); |
0f2d19dd JB |
2257 | return ra; |
2258 | } | |
2259 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2260 | return ra; | |
2261 | else | |
1afff620 KN |
2262 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", |
2263 | scm_list_1 (lst)); | |
0f2d19dd | 2264 | } |
1bbd0b84 | 2265 | #undef FUNC_NAME |
0f2d19dd | 2266 | |
0f2d19dd | 2267 | static int |
c014a02e | 2268 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2269 | { |
c014a02e ML |
2270 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2271 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2272 | int ok = 1; |
2273 | if (n <= 0) | |
d2e53ed6 | 2274 | return (scm_is_null (lst)); |
0f2d19dd JB |
2275 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2276 | { | |
2277 | while (n--) | |
2278 | { | |
d2e53ed6 | 2279 | if (!scm_is_pair (lst)) |
0f2d19dd JB |
2280 | return 0; |
2281 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2282 | base += inc; | |
2283 | lst = SCM_CDR (lst); | |
2284 | } | |
d2e53ed6 | 2285 | if (!scm_is_null (lst)) |
0f2d19dd JB |
2286 | return 0; |
2287 | } | |
2288 | else | |
2289 | { | |
2290 | while (n--) | |
2291 | { | |
d2e53ed6 | 2292 | if (!scm_is_pair (lst)) |
0f2d19dd | 2293 | return 0; |
e11e83f3 | 2294 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), scm_from_ulong (base)); |
0f2d19dd JB |
2295 | base += inc; |
2296 | lst = SCM_CDR (lst); | |
2297 | } | |
d2e53ed6 | 2298 | if (!scm_is_null (lst)) |
fee7ef83 | 2299 | return 0; |
0f2d19dd JB |
2300 | } |
2301 | return ok; | |
2302 | } | |
2303 | ||
1cc91f1b | 2304 | |
0f2d19dd | 2305 | static void |
34d19ef6 | 2306 | rapr1 (SCM ra, unsigned long j, unsigned long k, SCM port, scm_print_state *pstate) |
0f2d19dd | 2307 | { |
c014a02e ML |
2308 | long inc = 1; |
2309 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 | 2310 | ? 0 |
e11e83f3 | 2311 | : scm_to_long (scm_uniform_vector_length (ra))); |
0f2d19dd JB |
2312 | int enclosed = 0; |
2313 | tail: | |
5c11cc9d | 2314 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2315 | { |
2316 | case scm_tc7_smob: | |
2317 | if (enclosed++) | |
2318 | { | |
2319 | SCM_ARRAY_BASE (ra) = j; | |
2320 | if (n-- > 0) | |
9882ea19 | 2321 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2322 | for (j += inc; n-- > 0; j += inc) |
2323 | { | |
b7f3516f | 2324 | scm_putc (' ', port); |
0f2d19dd | 2325 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2326 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2327 | } |
2328 | break; | |
2329 | } | |
2330 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2331 | { | |
c014a02e | 2332 | long i; |
0f2d19dd JB |
2333 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2334 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2335 | { | |
b7f3516f | 2336 | scm_putc ('(', port); |
9882ea19 | 2337 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2338 | scm_puts (") ", port); |
0f2d19dd JB |
2339 | j += inc; |
2340 | } | |
2341 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2342 | { /* could be zero size. */ | |
b7f3516f | 2343 | scm_putc ('(', port); |
9882ea19 | 2344 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2345 | scm_putc (')', port); |
0f2d19dd JB |
2346 | } |
2347 | break; | |
2348 | } | |
1be6b49c | 2349 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2350 | { /* Could be zero-dimensional */ |
2351 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2352 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2353 | } | |
2354 | else | |
2355 | n = 1; | |
2356 | ra = SCM_ARRAY_V (ra); | |
2357 | goto tail; | |
2358 | default: | |
5c11cc9d | 2359 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2360 | if (n-- > 0) |
e11e83f3 | 2361 | scm_iprin1 (scm_uniform_vector_ref (ra, scm_from_ulong (j)), port, pstate); |
0f2d19dd JB |
2362 | for (j += inc; n-- > 0; j += inc) |
2363 | { | |
b7f3516f | 2364 | scm_putc (' ', port); |
9882ea19 | 2365 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2366 | } |
2367 | break; | |
2368 | case scm_tc7_string: | |
cc95e00a MV |
2369 | { |
2370 | const char *src; | |
2371 | src = scm_i_string_chars (ra); | |
2372 | if (n-- > 0) | |
2373 | scm_iprin1 (SCM_MAKE_CHAR (src[j]), port, pstate); | |
2374 | if (SCM_WRITINGP (pstate)) | |
2375 | for (j += inc; n-- > 0; j += inc) | |
2376 | { | |
2377 | scm_putc (' ', port); | |
2378 | scm_iprin1 (SCM_MAKE_CHAR (src[j]), port, pstate); | |
2379 | } | |
2380 | else | |
2381 | for (j += inc; n-- > 0; j += inc) | |
2382 | scm_putc (src[j], port); | |
2383 | scm_remember_upto_here_1 (ra); | |
2384 | } | |
0f2d19dd JB |
2385 | break; |
2386 | case scm_tc7_byvect: | |
2387 | if (n-- > 0) | |
4260a7fc | 2388 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2389 | for (j += inc; n-- > 0; j += inc) |
2390 | { | |
b7f3516f | 2391 | scm_putc (' ', port); |
4260a7fc | 2392 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2393 | } |
2394 | break; | |
2395 | ||
2396 | case scm_tc7_uvect: | |
5c11cc9d GH |
2397 | { |
2398 | char str[11]; | |
2399 | ||
2400 | if (n-- > 0) | |
2401 | { | |
2402 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2403 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2404 | scm_puts (str, port); |
2405 | } | |
2406 | for (j += inc; n-- > 0; j += inc) | |
2407 | { | |
2408 | scm_putc (' ', port); | |
fee7ef83 | 2409 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2410 | scm_puts (str, port); |
2411 | } | |
2412 | } | |
0f2d19dd JB |
2413 | case scm_tc7_ivect: |
2414 | if (n-- > 0) | |
fee7ef83 | 2415 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2416 | for (j += inc; n-- > 0; j += inc) |
2417 | { | |
b7f3516f | 2418 | scm_putc (' ', port); |
fee7ef83 | 2419 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2420 | } |
2421 | break; | |
2422 | ||
2423 | case scm_tc7_svect: | |
2424 | if (n-- > 0) | |
4260a7fc | 2425 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2426 | for (j += inc; n-- > 0; j += inc) |
2427 | { | |
b7f3516f | 2428 | scm_putc (' ', port); |
4260a7fc | 2429 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2430 | } |
2431 | break; | |
2432 | ||
0f2d19dd JB |
2433 | case scm_tc7_fvect: |
2434 | if (n-- > 0) | |
2435 | { | |
d9a67fc4 | 2436 | SCM z = scm_from_double (1.0); |
bc86da5d MD |
2437 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2438 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2439 | for (j += inc; n-- > 0; j += inc) |
2440 | { | |
b7f3516f | 2441 | scm_putc (' ', port); |
bc86da5d MD |
2442 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2443 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2444 | } |
2445 | } | |
2446 | break; | |
0f2d19dd JB |
2447 | case scm_tc7_dvect: |
2448 | if (n-- > 0) | |
2449 | { | |
d9a67fc4 | 2450 | SCM z = scm_from_double (1.0 / 3.0); |
bc86da5d MD |
2451 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2452 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2453 | for (j += inc; n-- > 0; j += inc) |
2454 | { | |
b7f3516f | 2455 | scm_putc (' ', port); |
bc86da5d MD |
2456 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2457 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2458 | } |
2459 | } | |
2460 | break; | |
2461 | case scm_tc7_cvect: | |
2462 | if (n-- > 0) | |
2463 | { | |
7a72bb41 MV |
2464 | SCM cz = scm_c_make_rectangular (0.0, 1.0); |
2465 | SCM z = scm_from_double (1.0/3.0); | |
bc86da5d MD |
2466 | SCM_REAL_VALUE (z) = |
2467 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2468 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2469 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2470 | port, pstate); | |
0f2d19dd JB |
2471 | for (j += inc; n-- > 0; j += inc) |
2472 | { | |
b7f3516f | 2473 | scm_putc (' ', port); |
bc86da5d MD |
2474 | SCM_REAL_VALUE (z) |
2475 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2476 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2477 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2478 | port, pstate); | |
0f2d19dd JB |
2479 | } |
2480 | } | |
2481 | break; | |
0f2d19dd JB |
2482 | } |
2483 | } | |
2484 | ||
2485 | ||
1cc91f1b | 2486 | |
0f2d19dd | 2487 | int |
1bbd0b84 | 2488 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2489 | { |
2490 | SCM v = exp; | |
c014a02e | 2491 | unsigned long base = 0; |
b7f3516f | 2492 | scm_putc ('#', port); |
0f2d19dd | 2493 | tail: |
5c11cc9d | 2494 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2495 | { |
2496 | case scm_tc7_smob: | |
2497 | { | |
2498 | long ndim = SCM_ARRAY_NDIM (v); | |
2499 | base = SCM_ARRAY_BASE (v); | |
2500 | v = SCM_ARRAY_V (v); | |
2501 | if (SCM_ARRAYP (v)) | |
2502 | ||
2503 | { | |
b7f3516f | 2504 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2505 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2506 | scm_putc ('>', port); |
0f2d19dd JB |
2507 | return 1; |
2508 | } | |
2509 | else | |
2510 | { | |
2511 | scm_intprint (ndim, 10, port); | |
2512 | goto tail; | |
2513 | } | |
2514 | } | |
2515 | case scm_tc7_bvect: | |
bc36d050 | 2516 | if (scm_is_eq (exp, v)) |
0f2d19dd | 2517 | { /* a uve, not an scm_array */ |
c014a02e | 2518 | register long i, j, w; |
b7f3516f | 2519 | scm_putc ('*', port); |
c014a02e | 2520 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2521 | { |
92c2555f | 2522 | scm_t_bits w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
c014a02e | 2523 | for (j = SCM_LONG_BIT; j; j--) |
0f2d19dd | 2524 | { |
b7f3516f | 2525 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2526 | w >>= 1; |
2527 | } | |
2528 | } | |
c014a02e | 2529 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2530 | if (j) |
2531 | { | |
c014a02e | 2532 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2533 | for (; j; j--) |
2534 | { | |
b7f3516f | 2535 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2536 | w >>= 1; |
2537 | } | |
2538 | } | |
2539 | return 1; | |
2540 | } | |
2541 | else | |
b7f3516f | 2542 | scm_putc ('b', port); |
0f2d19dd JB |
2543 | break; |
2544 | case scm_tc7_string: | |
b7f3516f | 2545 | scm_putc ('a', port); |
0f2d19dd JB |
2546 | break; |
2547 | case scm_tc7_byvect: | |
05c33d09 | 2548 | scm_putc ('y', port); |
0f2d19dd JB |
2549 | break; |
2550 | case scm_tc7_uvect: | |
b7f3516f | 2551 | scm_putc ('u', port); |
0f2d19dd JB |
2552 | break; |
2553 | case scm_tc7_ivect: | |
b7f3516f | 2554 | scm_putc ('e', port); |
0f2d19dd JB |
2555 | break; |
2556 | case scm_tc7_svect: | |
05c33d09 | 2557 | scm_putc ('h', port); |
0f2d19dd | 2558 | break; |
2a5cd898 | 2559 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2560 | case scm_tc7_llvect: |
5c11cc9d | 2561 | scm_putc ('l', port); |
0f2d19dd JB |
2562 | break; |
2563 | #endif | |
0f2d19dd | 2564 | case scm_tc7_fvect: |
b7f3516f | 2565 | scm_putc ('s', port); |
0f2d19dd | 2566 | break; |
0f2d19dd | 2567 | case scm_tc7_dvect: |
b7f3516f | 2568 | scm_putc ('i', port); |
0f2d19dd JB |
2569 | break; |
2570 | case scm_tc7_cvect: | |
b7f3516f | 2571 | scm_putc ('c', port); |
0f2d19dd | 2572 | break; |
0f2d19dd | 2573 | } |
b7f3516f | 2574 | scm_putc ('(', port); |
9882ea19 | 2575 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2576 | scm_putc (')', port); |
0f2d19dd JB |
2577 | return 1; |
2578 | } | |
2579 | ||
3b3b36dd | 2580 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2581 | (SCM ra), |
1e6808ea MG |
2582 | "Return an object that would produce an array of the same type\n" |
2583 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2584 | "@code{make-uniform-array}.") |
1bbd0b84 | 2585 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2586 | { |
2587 | int enclosed = 0; | |
2588 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2589 | loop: | |
74014c46 | 2590 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2591 | { |
2592 | default: | |
276dd677 | 2593 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2594 | case scm_tc7_smob: |
2595 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2596 | if (enclosed++) | |
2597 | return SCM_UNSPECIFIED; | |
2598 | ra = SCM_ARRAY_V (ra); | |
2599 | goto loop; | |
2600 | case scm_tc7_vector: | |
95f5b0f5 | 2601 | case scm_tc7_wvect: |
0f2d19dd JB |
2602 | return SCM_EOL; |
2603 | case scm_tc7_bvect: | |
2604 | return SCM_BOOL_T; | |
2605 | case scm_tc7_string: | |
7866a09b | 2606 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2607 | case scm_tc7_byvect: |
7866a09b | 2608 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd | 2609 | case scm_tc7_uvect: |
e11e83f3 | 2610 | return scm_from_int (1); |
0f2d19dd | 2611 | case scm_tc7_ivect: |
e11e83f3 | 2612 | return scm_from_int (-1); |
0f2d19dd | 2613 | case scm_tc7_svect: |
cc95e00a | 2614 | return scm_from_locale_symbol ("s"); |
2a5cd898 | 2615 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2616 | case scm_tc7_llvect: |
cc95e00a | 2617 | return scm_from_locale_symbol ("l"); |
0f2d19dd | 2618 | #endif |
0f2d19dd | 2619 | case scm_tc7_fvect: |
d9a67fc4 | 2620 | return scm_from_double (1.0); |
0f2d19dd | 2621 | case scm_tc7_dvect: |
7c183c95 | 2622 | return exactly_one_third; |
0f2d19dd | 2623 | case scm_tc7_cvect: |
7a72bb41 | 2624 | return scm_c_make_rectangular (0.0, 1.0); |
0f2d19dd JB |
2625 | } |
2626 | } | |
1bbd0b84 | 2627 | #undef FUNC_NAME |
0f2d19dd | 2628 | |
1cc91f1b | 2629 | |
0f2d19dd | 2630 | static SCM |
e841c3e0 | 2631 | array_mark (SCM ptr) |
0f2d19dd | 2632 | { |
0f2d19dd JB |
2633 | return SCM_ARRAY_V (ptr); |
2634 | } | |
2635 | ||
1cc91f1b | 2636 | |
1be6b49c | 2637 | static size_t |
e841c3e0 | 2638 | array_free (SCM ptr) |
0f2d19dd | 2639 | { |
4c9419ac MV |
2640 | scm_gc_free (SCM_ARRAY_MEM (ptr), |
2641 | (sizeof (scm_t_array) | |
2642 | + SCM_ARRAY_NDIM (ptr) * sizeof (scm_t_array_dim)), | |
2643 | "array"); | |
2644 | return 0; | |
0f2d19dd JB |
2645 | } |
2646 | ||
0f2d19dd JB |
2647 | void |
2648 | scm_init_unif () | |
0f2d19dd | 2649 | { |
e841c3e0 KN |
2650 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2651 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2652 | scm_set_smob_free (scm_tc16_array, array_free); | |
2653 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2654 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
cba42c93 MV |
2655 | exactly_one_third = scm_permanent_object (scm_divide (scm_from_int (1), |
2656 | scm_from_int (3))); | |
0f2d19dd | 2657 | scm_add_feature ("array"); |
a0599745 | 2658 | #include "libguile/unif.x" |
0f2d19dd | 2659 | } |
89e00824 ML |
2660 | |
2661 | /* | |
2662 | Local Variables: | |
2663 | c-file-style: "gnu" | |
2664 | End: | |
2665 | */ |