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" | |
f27d2057 | 50 | #include "libguile/print.h" |
0f2d19dd | 51 | |
3d8d56df GH |
52 | #ifdef HAVE_UNISTD_H |
53 | #include <unistd.h> | |
54 | #endif | |
55 | ||
7beabedb MG |
56 | #ifdef HAVE_IO_H |
57 | #include <io.h> | |
58 | #endif | |
59 | ||
0f2d19dd JB |
60 | \f |
61 | /* The set of uniform scm_vector types is: | |
62 | * Vector of: Called: | |
63 | * unsigned char string | |
64 | * char byvect | |
65 | * boolean bvect | |
a515d287 MD |
66 | * signed long ivect |
67 | * unsigned long uvect | |
0f2d19dd JB |
68 | * float fvect |
69 | * double dvect | |
70 | * complex double cvect | |
71 | * short svect | |
5c11cc9d | 72 | * long long llvect |
0f2d19dd JB |
73 | */ |
74 | ||
92c2555f | 75 | scm_t_bits scm_tc16_array; |
7c183c95 | 76 | static SCM exactly_one_third; |
0f2d19dd | 77 | |
afe5177e GH |
78 | /* return the size of an element in a uniform array or 0 if type not |
79 | found. */ | |
1be6b49c | 80 | size_t |
afe5177e | 81 | scm_uniform_element_size (SCM obj) |
0f2d19dd | 82 | { |
1be6b49c | 83 | size_t result; |
0f2d19dd | 84 | |
afe5177e | 85 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 86 | { |
0f2d19dd | 87 | case scm_tc7_bvect: |
0f2d19dd JB |
88 | case scm_tc7_uvect: |
89 | case scm_tc7_ivect: | |
afe5177e | 90 | result = sizeof (long); |
0f2d19dd | 91 | break; |
afe5177e | 92 | |
0f2d19dd | 93 | case scm_tc7_byvect: |
afe5177e | 94 | result = sizeof (char); |
0f2d19dd JB |
95 | break; |
96 | ||
97 | case scm_tc7_svect: | |
afe5177e | 98 | result = sizeof (short); |
0f2d19dd | 99 | break; |
afe5177e | 100 | |
2a5cd898 | 101 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 102 | case scm_tc7_llvect: |
1be6b49c | 103 | result = sizeof (long long); |
0f2d19dd JB |
104 | break; |
105 | #endif | |
106 | ||
0f2d19dd | 107 | case scm_tc7_fvect: |
afe5177e | 108 | result = sizeof (float); |
0f2d19dd | 109 | break; |
afe5177e | 110 | |
0f2d19dd | 111 | case scm_tc7_dvect: |
afe5177e | 112 | result = sizeof (double); |
0f2d19dd | 113 | break; |
afe5177e | 114 | |
0f2d19dd | 115 | case scm_tc7_cvect: |
afe5177e | 116 | result = 2 * sizeof (double); |
0f2d19dd | 117 | break; |
afe5177e GH |
118 | |
119 | default: | |
120 | result = 0; | |
0f2d19dd | 121 | } |
afe5177e | 122 | return result; |
0f2d19dd JB |
123 | } |
124 | ||
bc86da5d MD |
125 | /* Silly function used not to modify the semantics of the silly |
126 | * prototype system in order to be backward compatible. | |
127 | */ | |
128 | static int | |
129 | singp (SCM obj) | |
0f2d19dd | 130 | { |
a08b0d00 | 131 | if (!SCM_REALP (obj)) |
bc86da5d MD |
132 | return 0; |
133 | else | |
134 | { | |
135 | double x = SCM_REAL_VALUE (obj); | |
136 | float fx = x; | |
137 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
138 | } | |
0f2d19dd | 139 | } |
1cc91f1b | 140 | |
711a9fd7 MD |
141 | static SCM |
142 | make_uve (long type, long k, size_t size) | |
143 | #define FUNC_NAME "scm_make_uve" | |
144 | { | |
b9bd8526 | 145 | SCM_ASSERT_RANGE (1, scm_from_long (k), k <= SCM_UVECTOR_MAX_LENGTH); |
711a9fd7 MD |
146 | |
147 | return scm_cell (SCM_MAKE_UVECTOR_TAG (k, type), | |
148 | (scm_t_bits) scm_gc_malloc (k * size, "vector")); | |
149 | } | |
150 | #undef FUNC_NAME | |
151 | ||
0f2d19dd | 152 | SCM |
c014a02e | 153 | scm_make_uve (long k, SCM prot) |
a3a32939 | 154 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd | 155 | { |
bc36d050 | 156 | if (scm_is_eq (prot, SCM_BOOL_T)) |
0f2d19dd | 157 | { |
93778877 DH |
158 | if (k > 0) |
159 | { | |
711a9fd7 | 160 | long i; |
b9bd8526 MV |
161 | SCM_ASSERT_RANGE (1, scm_from_long (k), |
162 | k <= SCM_BITVECTOR_MAX_LENGTH); | |
c014a02e | 163 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); |
711a9fd7 MD |
164 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (k), |
165 | (scm_t_bits) scm_gc_malloc (i, "vector")); | |
93778877 DH |
166 | } |
167 | else | |
711a9fd7 | 168 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (0), 0); |
0f2d19dd | 169 | } |
4260a7fc | 170 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
711a9fd7 | 171 | return make_uve (scm_tc7_byvect, k, sizeof (char)); |
7866a09b | 172 | else if (SCM_CHARP (prot)) |
cc95e00a | 173 | return scm_c_make_string (sizeof (char) * k, SCM_UNDEFINED); |
e11e83f3 MV |
174 | else if (SCM_I_INUMP (prot)) |
175 | return make_uve (SCM_I_INUM (prot) > 0 ? scm_tc7_uvect : scm_tc7_ivect, | |
711a9fd7 MD |
176 | k, |
177 | sizeof (long)); | |
7c183c95 KR |
178 | else if (SCM_FRACTIONP (prot)) |
179 | { | |
180 | if (scm_num_eq_p (exactly_one_third, prot)) | |
181 | goto dvect; | |
182 | } | |
cc95e00a | 183 | else if (scm_is_symbol (prot) && (1 == scm_i_symbol_length (prot))) |
0f2d19dd JB |
184 | { |
185 | char s; | |
186 | ||
cc95e00a | 187 | s = scm_i_symbol_chars (prot)[0]; |
0f2d19dd | 188 | if (s == 's') |
711a9fd7 | 189 | return make_uve (scm_tc7_svect, k, sizeof (short)); |
2a5cd898 | 190 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 191 | else if (s == 'l') |
711a9fd7 | 192 | return make_uve (scm_tc7_llvect, k, sizeof (long long)); |
0f2d19dd JB |
193 | #endif |
194 | else | |
711a9fd7 | 195 | return scm_c_make_vector (k, SCM_UNDEFINED); |
0f2d19dd | 196 | } |
5b9eb8ae | 197 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 198 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d | 199 | /* no special scm_vector */ |
00ffa0e7 | 200 | return scm_c_make_vector (k, SCM_UNDEFINED); |
bc86da5d | 201 | else if (singp (prot)) |
711a9fd7 | 202 | return make_uve (scm_tc7_fvect, k, sizeof (float)); |
eb42e2f0 | 203 | else if (SCM_COMPLEXP (prot)) |
711a9fd7 MD |
204 | return make_uve (scm_tc7_cvect, k, 2 * sizeof (double)); |
205 | dvect: | |
206 | return make_uve (scm_tc7_dvect, k, sizeof (double)); | |
0f2d19dd | 207 | } |
a3a32939 DH |
208 | #undef FUNC_NAME |
209 | ||
3b3b36dd | 210 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1e6808ea MG |
211 | (SCM v), |
212 | "Return the number of elements in @var{uve}.") | |
1bbd0b84 | 213 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
214 | { |
215 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 216 | switch SCM_TYP7 (v) |
0f2d19dd JB |
217 | { |
218 | default: | |
276dd677 | 219 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
74014c46 DH |
220 | case scm_tc7_vector: |
221 | case scm_tc7_wvect: | |
e11e83f3 | 222 | return scm_from_size_t (SCM_VECTOR_LENGTH (v)); |
0f2d19dd | 223 | case scm_tc7_string: |
cc95e00a | 224 | return scm_from_size_t (scm_i_string_length (v)); |
74014c46 | 225 | case scm_tc7_bvect: |
e11e83f3 | 226 | return scm_from_size_t (SCM_BITVECTOR_LENGTH (v)); |
0f2d19dd JB |
227 | case scm_tc7_byvect: |
228 | case scm_tc7_uvect: | |
229 | case scm_tc7_ivect: | |
230 | case scm_tc7_fvect: | |
231 | case scm_tc7_dvect: | |
232 | case scm_tc7_cvect: | |
0f2d19dd | 233 | case scm_tc7_svect: |
2a5cd898 | 234 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
235 | case scm_tc7_llvect: |
236 | #endif | |
e11e83f3 | 237 | return scm_from_size_t (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
238 | } |
239 | } | |
1bbd0b84 | 240 | #undef FUNC_NAME |
0f2d19dd | 241 | |
3b3b36dd | 242 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 243 | (SCM v, SCM prot), |
1e6808ea MG |
244 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
245 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
246 | "and is described elsewhere.") | |
1bbd0b84 | 247 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
248 | { |
249 | int nprot; | |
250 | int enclosed; | |
251 | nprot = SCM_UNBNDP (prot); | |
252 | enclosed = 0; | |
253 | if (SCM_IMP (v)) | |
254 | return SCM_BOOL_F; | |
c209c88e GB |
255 | |
256 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 257 | { |
0f2d19dd JB |
258 | if (!SCM_ARRAYP (v)) |
259 | return SCM_BOOL_F; | |
260 | if (nprot) | |
261 | return SCM_BOOL_T; | |
262 | if (enclosed++) | |
263 | return SCM_BOOL_F; | |
264 | v = SCM_ARRAY_V (v); | |
c209c88e | 265 | } |
9b0018a1 | 266 | |
c209c88e | 267 | if (nprot) |
9b0018a1 MV |
268 | { |
269 | switch (SCM_TYP7 (v)) | |
270 | { | |
271 | case scm_tc7_bvect: | |
272 | case scm_tc7_string: | |
273 | case scm_tc7_byvect: | |
274 | case scm_tc7_uvect: | |
275 | case scm_tc7_ivect: | |
276 | case scm_tc7_svect: | |
277 | #if SCM_SIZEOF_LONG_LONG != 0 | |
278 | case scm_tc7_llvect: | |
279 | #endif | |
280 | case scm_tc7_fvect: | |
281 | case scm_tc7_dvect: | |
282 | case scm_tc7_cvect: | |
283 | case scm_tc7_vector: | |
284 | case scm_tc7_wvect: | |
285 | return SCM_BOOL_T; | |
286 | default: | |
287 | return SCM_BOOL_F; | |
288 | } | |
289 | } | |
c209c88e GB |
290 | else |
291 | { | |
292 | int protp = 0; | |
293 | ||
294 | switch (SCM_TYP7 (v)) | |
295 | { | |
296 | case scm_tc7_bvect: | |
bc36d050 | 297 | protp = (scm_is_eq (prot, SCM_BOOL_T)); |
7c183c95 | 298 | break; |
c209c88e | 299 | case scm_tc7_string: |
4260a7fc | 300 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
7c183c95 | 301 | break; |
c209c88e | 302 | case scm_tc7_byvect: |
bc36d050 | 303 | protp = scm_is_eq (prot, SCM_MAKE_CHAR ('\0')); |
7c183c95 | 304 | break; |
c209c88e | 305 | case scm_tc7_uvect: |
e11e83f3 | 306 | protp = SCM_I_INUMP(prot) && SCM_I_INUM(prot)>0; |
7c183c95 | 307 | break; |
c209c88e | 308 | case scm_tc7_ivect: |
e11e83f3 | 309 | protp = SCM_I_INUMP(prot) && SCM_I_INUM(prot)<=0; |
7c183c95 | 310 | break; |
c209c88e | 311 | case scm_tc7_svect: |
cc95e00a MV |
312 | protp = scm_is_symbol (prot) |
313 | && (1 == scm_i_symbol_length (prot)) | |
314 | && ('s' == scm_i_symbol_chars (prot)[0]); | |
7c183c95 | 315 | break; |
2a5cd898 | 316 | #if SCM_SIZEOF_LONG_LONG != 0 |
c209c88e | 317 | case scm_tc7_llvect: |
cc95e00a MV |
318 | protp = scm_is_symbol (prot) |
319 | && (1 == scm_i_symbol_length (prot)) | |
320 | && ('l' == scm_i_symbol_chars (prot)[0]); | |
7c183c95 | 321 | break; |
0f2d19dd | 322 | #endif |
c209c88e | 323 | case scm_tc7_fvect: |
bc86da5d | 324 | protp = singp (prot); |
7c183c95 | 325 | break; |
c209c88e | 326 | case scm_tc7_dvect: |
7c183c95 KR |
327 | protp = ((SCM_REALP(prot) && ! singp (prot)) |
328 | || (SCM_FRACTIONP (prot) | |
329 | && scm_num_eq_p (exactly_one_third, prot))); | |
330 | break; | |
c209c88e | 331 | case scm_tc7_cvect: |
eb42e2f0 | 332 | protp = SCM_COMPLEXP(prot); |
7c183c95 | 333 | break; |
c209c88e GB |
334 | case scm_tc7_vector: |
335 | case scm_tc7_wvect: | |
d2e53ed6 | 336 | protp = scm_is_null(prot); |
7c183c95 | 337 | break; |
c209c88e GB |
338 | default: |
339 | /* no default */ | |
340 | ; | |
341 | } | |
7888309b | 342 | return scm_from_bool(protp); |
0f2d19dd | 343 | } |
0f2d19dd | 344 | } |
1bbd0b84 | 345 | #undef FUNC_NAME |
0f2d19dd JB |
346 | |
347 | ||
3b3b36dd | 348 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 349 | (SCM ra), |
1e6808ea MG |
350 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
351 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 352 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
353 | { |
354 | if (SCM_IMP (ra)) | |
1bbd0b84 | 355 | return SCM_INUM0; |
0f2d19dd JB |
356 | switch (SCM_TYP7 (ra)) |
357 | { | |
358 | default: | |
359 | return SCM_INUM0; | |
360 | case scm_tc7_string: | |
361 | case scm_tc7_vector: | |
95f5b0f5 | 362 | case scm_tc7_wvect: |
0f2d19dd JB |
363 | case scm_tc7_byvect: |
364 | case scm_tc7_uvect: | |
365 | case scm_tc7_ivect: | |
366 | case scm_tc7_fvect: | |
367 | case scm_tc7_cvect: | |
368 | case scm_tc7_dvect: | |
2a5cd898 | 369 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
370 | case scm_tc7_llvect: |
371 | #endif | |
372 | case scm_tc7_svect: | |
e11e83f3 | 373 | return scm_from_int (1); |
0f2d19dd JB |
374 | case scm_tc7_smob: |
375 | if (SCM_ARRAYP (ra)) | |
e11e83f3 | 376 | return scm_from_size_t (SCM_ARRAY_NDIM (ra)); |
0f2d19dd JB |
377 | return SCM_INUM0; |
378 | } | |
379 | } | |
1bbd0b84 | 380 | #undef FUNC_NAME |
0f2d19dd JB |
381 | |
382 | ||
3b3b36dd | 383 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 384 | (SCM ra), |
b380b885 MD |
385 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
386 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 387 | "@lisp\n" |
b380b885 | 388 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 389 | "@end lisp") |
1bbd0b84 | 390 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
391 | { |
392 | SCM res = SCM_EOL; | |
1be6b49c | 393 | size_t k; |
92c2555f | 394 | scm_t_array_dim *s; |
0f2d19dd | 395 | if (SCM_IMP (ra)) |
1bbd0b84 | 396 | return SCM_BOOL_F; |
0f2d19dd JB |
397 | switch (SCM_TYP7 (ra)) |
398 | { | |
399 | default: | |
400 | return SCM_BOOL_F; | |
401 | case scm_tc7_string: | |
402 | case scm_tc7_vector: | |
95f5b0f5 | 403 | case scm_tc7_wvect: |
0f2d19dd JB |
404 | case scm_tc7_bvect: |
405 | case scm_tc7_byvect: | |
406 | case scm_tc7_uvect: | |
407 | case scm_tc7_ivect: | |
408 | case scm_tc7_fvect: | |
409 | case scm_tc7_cvect: | |
410 | case scm_tc7_dvect: | |
411 | case scm_tc7_svect: | |
2a5cd898 | 412 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
413 | case scm_tc7_llvect: |
414 | #endif | |
74014c46 | 415 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
416 | case scm_tc7_smob: |
417 | if (!SCM_ARRAYP (ra)) | |
418 | return SCM_BOOL_F; | |
419 | k = SCM_ARRAY_NDIM (ra); | |
420 | s = SCM_ARRAY_DIMS (ra); | |
421 | while (k--) | |
e2d37336 | 422 | res = scm_cons (s[k].lbnd |
e11e83f3 MV |
423 | ? scm_cons2 (scm_from_long (s[k].lbnd), |
424 | scm_from_long (s[k].ubnd), | |
e2d37336 | 425 | SCM_EOL) |
e11e83f3 | 426 | : scm_from_long (1 + s[k].ubnd), |
e2d37336 | 427 | res); |
0f2d19dd JB |
428 | return res; |
429 | } | |
430 | } | |
1bbd0b84 | 431 | #undef FUNC_NAME |
0f2d19dd JB |
432 | |
433 | ||
e2d37336 MD |
434 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
435 | (SCM ra), | |
436 | "Return the root vector of a shared array.") | |
437 | #define FUNC_NAME s_scm_shared_array_root | |
438 | { | |
439 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
440 | return SCM_ARRAY_V (ra); | |
441 | } | |
442 | #undef FUNC_NAME | |
443 | ||
444 | ||
445 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
446 | (SCM ra), | |
447 | "Return the root vector index of the first element in the array.") | |
448 | #define FUNC_NAME s_scm_shared_array_offset | |
449 | { | |
450 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
e11e83f3 | 451 | return scm_from_int (SCM_ARRAY_BASE (ra)); |
e2d37336 MD |
452 | } |
453 | #undef FUNC_NAME | |
454 | ||
455 | ||
456 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
457 | (SCM ra), | |
458 | "For each dimension, return the distance between elements in the root vector.") | |
459 | #define FUNC_NAME s_scm_shared_array_increments | |
460 | { | |
461 | SCM res = SCM_EOL; | |
1be6b49c | 462 | size_t k; |
92c2555f | 463 | scm_t_array_dim *s; |
e2d37336 MD |
464 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
465 | k = SCM_ARRAY_NDIM (ra); | |
466 | s = SCM_ARRAY_DIMS (ra); | |
467 | while (k--) | |
e11e83f3 | 468 | res = scm_cons (scm_from_long (s[k].inc), res); |
e2d37336 MD |
469 | return res; |
470 | } | |
471 | #undef FUNC_NAME | |
472 | ||
473 | ||
0f2d19dd JB |
474 | static char s_bad_ind[] = "Bad scm_array index"; |
475 | ||
1cc91f1b | 476 | |
c014a02e | 477 | long |
1bbd0b84 | 478 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 479 | #define FUNC_NAME what |
0f2d19dd JB |
480 | { |
481 | SCM ind; | |
c014a02e ML |
482 | register long j; |
483 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
484 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
92c2555f | 485 | scm_t_array_dim *s = SCM_ARRAY_DIMS (ra); |
e11e83f3 | 486 | if (scm_is_integer (args)) |
0f2d19dd | 487 | { |
b3fcac34 DH |
488 | if (k != 1) |
489 | scm_error_num_args_subr (what); | |
e11e83f3 | 490 | return pos + (scm_to_long (args) - s->lbnd) * (s->inc); |
0f2d19dd | 491 | } |
d2e53ed6 | 492 | while (k && scm_is_pair (args)) |
0f2d19dd JB |
493 | { |
494 | ind = SCM_CAR (args); | |
495 | args = SCM_CDR (args); | |
e11e83f3 | 496 | if (!scm_is_integer (ind)) |
b3fcac34 | 497 | scm_misc_error (what, s_bad_ind, SCM_EOL); |
e11e83f3 | 498 | j = scm_to_long (ind); |
685c0d71 DH |
499 | if (j < s->lbnd || j > s->ubnd) |
500 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
501 | pos += (j - s->lbnd) * (s->inc); |
502 | k--; | |
503 | s++; | |
504 | } | |
d2e53ed6 | 505 | if (k != 0 || !scm_is_null (args)) |
b3fcac34 DH |
506 | scm_error_num_args_subr (what); |
507 | ||
0f2d19dd JB |
508 | return pos; |
509 | } | |
b3fcac34 | 510 | #undef FUNC_NAME |
0f2d19dd | 511 | |
1cc91f1b | 512 | |
0f2d19dd | 513 | SCM |
1bbd0b84 | 514 | scm_make_ra (int ndim) |
0f2d19dd JB |
515 | { |
516 | SCM ra; | |
0f2d19dd | 517 | SCM_DEFER_INTS; |
92c2555f | 518 | SCM_NEWSMOB(ra, ((scm_t_bits) ndim << 17) + scm_tc16_array, |
4c9419ac MV |
519 | scm_gc_malloc ((sizeof (scm_t_array) + |
520 | ndim * sizeof (scm_t_array_dim)), | |
521 | "array")); | |
0f2d19dd JB |
522 | SCM_ARRAY_V (ra) = scm_nullvect; |
523 | SCM_ALLOW_INTS; | |
524 | return ra; | |
525 | } | |
526 | ||
527 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
528 | /* Increments will still need to be set. */ | |
529 | ||
1cc91f1b | 530 | |
0f2d19dd | 531 | SCM |
1bbd0b84 | 532 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 533 | { |
92c2555f | 534 | scm_t_array_dim *s; |
0f2d19dd JB |
535 | SCM ra, spec, sp; |
536 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
537 | if (ndim < 0) |
538 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
539 | ||
0f2d19dd JB |
540 | ra = scm_make_ra (ndim); |
541 | SCM_ARRAY_BASE (ra) = 0; | |
542 | s = SCM_ARRAY_DIMS (ra); | |
d2e53ed6 | 543 | for (; !scm_is_null (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
544 | { |
545 | spec = SCM_CAR (args); | |
e11e83f3 | 546 | if (scm_is_integer (spec)) |
0f2d19dd | 547 | { |
e11e83f3 | 548 | if (scm_to_long (spec) < 0) |
b3fcac34 | 549 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
0f2d19dd | 550 | s->lbnd = 0; |
e11e83f3 | 551 | s->ubnd = scm_to_long (spec) - 1; |
0f2d19dd JB |
552 | s->inc = 1; |
553 | } | |
554 | else | |
555 | { | |
d2e53ed6 | 556 | if (!scm_is_pair (spec) || !scm_is_integer (SCM_CAR (spec))) |
b3fcac34 | 557 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
e11e83f3 | 558 | s->lbnd = scm_to_long (SCM_CAR (spec)); |
0f2d19dd | 559 | sp = SCM_CDR (spec); |
d2e53ed6 | 560 | if (!scm_is_pair (sp) |
e11e83f3 | 561 | || !scm_is_integer (SCM_CAR (sp)) |
d2e53ed6 | 562 | || !scm_is_null (SCM_CDR (sp))) |
b3fcac34 | 563 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
e11e83f3 | 564 | s->ubnd = scm_to_long (SCM_CAR (sp)); |
0f2d19dd JB |
565 | s->inc = 1; |
566 | } | |
567 | } | |
568 | return ra; | |
569 | } | |
570 | ||
3b3b36dd | 571 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 572 | (SCM dims, SCM prot, SCM fill), |
8f85c0c6 | 573 | "@deffnx {Scheme Procedure} make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
574 | "Create and return a uniform array or vector of type\n" |
575 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
576 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
577 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 578 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 579 | { |
1be6b49c | 580 | size_t k; |
c014a02e | 581 | unsigned long rlen = 1; |
92c2555f | 582 | scm_t_array_dim *s; |
0f2d19dd | 583 | SCM ra; |
1be6b49c | 584 | |
e11e83f3 | 585 | if (scm_is_integer (dims)) |
cda139a7 | 586 | { |
e11e83f3 | 587 | SCM answer = scm_make_uve (scm_to_long (dims), prot); |
a3a32939 DH |
588 | if (!SCM_UNBNDP (fill)) |
589 | scm_array_fill_x (answer, fill); | |
cc95e00a | 590 | else if (scm_is_symbol (prot)) |
e11e83f3 | 591 | scm_array_fill_x (answer, scm_from_int (0)); |
a3a32939 DH |
592 | else |
593 | scm_array_fill_x (answer, prot); | |
594 | return answer; | |
cda139a7 | 595 | } |
1be6b49c | 596 | |
d2e53ed6 | 597 | SCM_ASSERT (scm_is_null (dims) || scm_is_pair (dims), |
0c95b57d | 598 | dims, SCM_ARG1, FUNC_NAME); |
1bbd0b84 | 599 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 600 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
601 | s = SCM_ARRAY_DIMS (ra); |
602 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 603 | |
0f2d19dd JB |
604 | while (k--) |
605 | { | |
a3a32939 DH |
606 | s[k].inc = rlen; |
607 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 608 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 609 | } |
a3a32939 | 610 | |
a3a32939 DH |
611 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
612 | ||
5c11cc9d | 613 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 614 | scm_array_fill_x (ra, fill); |
cc95e00a | 615 | else if (scm_is_symbol (prot)) |
e11e83f3 | 616 | scm_array_fill_x (ra, scm_from_int (0)); |
0f2d19dd JB |
617 | else |
618 | scm_array_fill_x (ra, prot); | |
a3a32939 | 619 | |
0f2d19dd | 620 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 621 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
622 | return SCM_ARRAY_V (ra); |
623 | return ra; | |
624 | } | |
1bbd0b84 | 625 | #undef FUNC_NAME |
0f2d19dd | 626 | |
1cc91f1b | 627 | |
0f2d19dd | 628 | void |
1bbd0b84 | 629 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 630 | { |
1be6b49c | 631 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 632 | if (k) |
0f2d19dd | 633 | { |
c014a02e | 634 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 635 | while (k--) |
0f2d19dd | 636 | { |
fe0c6dae JB |
637 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
638 | { | |
e038c042 | 639 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
640 | return; |
641 | } | |
642 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
643 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 644 | } |
0f2d19dd | 645 | } |
e038c042 | 646 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
647 | } |
648 | ||
649 | ||
3b3b36dd | 650 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 651 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
652 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
653 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
654 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
655 | "linear, and its range must stay within the bounds of the old array, but\n" | |
656 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 657 | "@lisp\n" |
b380b885 MD |
658 | "(define fred (make-array #f 8 8))\n" |
659 | "(define freds-diagonal\n" | |
660 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
661 | "(array-set! freds-diagonal 'foo 3)\n" | |
662 | "(array-ref fred 3 3) @result{} foo\n" | |
663 | "(define freds-center\n" | |
664 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
665 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 666 | "@end lisp") |
1bbd0b84 | 667 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
668 | { |
669 | SCM ra; | |
670 | SCM inds, indptr; | |
671 | SCM imap; | |
c014a02e ML |
672 | size_t k, i; |
673 | long old_min, new_min, old_max, new_max; | |
92c2555f | 674 | scm_t_array_dim *s; |
b3fcac34 DH |
675 | |
676 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
34d19ef6 HWN |
677 | SCM_VALIDATE_ARRAY (1, oldra); |
678 | SCM_VALIDATE_PROC (2, mapfunc); | |
1bbd0b84 | 679 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
680 | if (SCM_ARRAYP (oldra)) |
681 | { | |
682 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
683 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
684 | s = SCM_ARRAY_DIMS (oldra); | |
685 | k = SCM_ARRAY_NDIM (oldra); | |
686 | while (k--) | |
687 | { | |
688 | if (s[k].inc > 0) | |
689 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
690 | else | |
691 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
692 | } | |
693 | } | |
694 | else | |
695 | { | |
696 | SCM_ARRAY_V (ra) = oldra; | |
697 | old_min = 0; | |
e11e83f3 | 698 | old_max = scm_to_long (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
699 | } |
700 | inds = SCM_EOL; | |
701 | s = SCM_ARRAY_DIMS (ra); | |
702 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
703 | { | |
e11e83f3 | 704 | inds = scm_cons (scm_from_long (s[k].lbnd), inds); |
0f2d19dd JB |
705 | if (s[k].ubnd < s[k].lbnd) |
706 | { | |
707 | if (1 == SCM_ARRAY_NDIM (ra)) | |
708 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
709 | else | |
710 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
711 | return ra; | |
712 | } | |
713 | } | |
fdc28395 | 714 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd | 715 | if (SCM_ARRAYP (oldra)) |
c014a02e | 716 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
717 | else |
718 | { | |
e11e83f3 | 719 | if (!scm_is_integer (imap)) |
0f2d19dd | 720 | { |
e11e83f3 | 721 | if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap))) |
b3fcac34 | 722 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
723 | imap = SCM_CAR (imap); |
724 | } | |
e11e83f3 | 725 | i = scm_to_size_t (imap); |
0f2d19dd JB |
726 | } |
727 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
728 | indptr = inds; | |
729 | k = SCM_ARRAY_NDIM (ra); | |
730 | while (k--) | |
731 | { | |
732 | if (s[k].ubnd > s[k].lbnd) | |
733 | { | |
e11e83f3 | 734 | SCM_SETCAR (indptr, scm_sum (SCM_CAR (indptr), scm_from_int (1))); |
fdc28395 | 735 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd JB |
736 | if (SCM_ARRAYP (oldra)) |
737 | ||
1bbd0b84 | 738 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
739 | else |
740 | { | |
e11e83f3 | 741 | if (!scm_is_integer (imap)) |
0f2d19dd | 742 | { |
e11e83f3 | 743 | if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap))) |
b3fcac34 | 744 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
745 | imap = SCM_CAR (imap); |
746 | } | |
e11e83f3 | 747 | s[k].inc = scm_to_long (imap) - i; |
0f2d19dd JB |
748 | } |
749 | i += s[k].inc; | |
750 | if (s[k].inc > 0) | |
751 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
752 | else | |
753 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
754 | } | |
755 | else | |
756 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
757 | indptr = SCM_CDR (indptr); | |
758 | } | |
b3fcac34 DH |
759 | if (old_min > new_min || old_max < new_max) |
760 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
761 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
762 | { | |
74014c46 | 763 | SCM v = SCM_ARRAY_V (ra); |
e11e83f3 | 764 | unsigned long int length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 DH |
765 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
766 | return v; | |
0f2d19dd JB |
767 | if (s->ubnd < s->lbnd) |
768 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
769 | } | |
770 | scm_ra_set_contp (ra); | |
771 | return ra; | |
772 | } | |
1bbd0b84 | 773 | #undef FUNC_NAME |
0f2d19dd JB |
774 | |
775 | ||
776 | /* args are RA . DIMS */ | |
af45e3b0 DH |
777 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
778 | (SCM ra, SCM args), | |
1e6808ea MG |
779 | "Return an array sharing contents with @var{array}, but with\n" |
780 | "dimensions arranged in a different order. There must be one\n" | |
781 | "@var{dim} argument for each dimension of @var{array}.\n" | |
782 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
783 | "and the rank of the array to be returned. Each integer in that\n" | |
784 | "range must appear at least once in the argument list.\n" | |
785 | "\n" | |
786 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
787 | "dimensions in the array to be returned, their positions in the\n" | |
788 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
789 | "may have the same value, in which case the returned array will\n" | |
790 | "have smaller rank than @var{array}.\n" | |
791 | "\n" | |
792 | "@lisp\n" | |
b380b885 MD |
793 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
794 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
795 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
796 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 797 | "@end lisp") |
1bbd0b84 | 798 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 799 | { |
34d19ef6 HWN |
800 | SCM res, vargs; |
801 | SCM const *ve = &vargs; | |
92c2555f | 802 | scm_t_array_dim *s, *r; |
0f2d19dd | 803 | int ndim, i, k; |
af45e3b0 | 804 | |
b3fcac34 | 805 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 806 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 807 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
808 | { |
809 | default: | |
276dd677 | 810 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
811 | case scm_tc7_bvect: |
812 | case scm_tc7_string: | |
813 | case scm_tc7_byvect: | |
814 | case scm_tc7_uvect: | |
815 | case scm_tc7_ivect: | |
816 | case scm_tc7_fvect: | |
817 | case scm_tc7_dvect: | |
818 | case scm_tc7_cvect: | |
819 | case scm_tc7_svect: | |
2a5cd898 | 820 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
821 | case scm_tc7_llvect: |
822 | #endif | |
d2e53ed6 | 823 | if (scm_is_null (args) || !scm_is_null (SCM_CDR (args))) |
b3fcac34 | 824 | SCM_WRONG_NUM_ARGS (); |
a55c2b68 MV |
825 | SCM_VALIDATE_INT_COPY (SCM_ARG2, SCM_CAR (args), i); |
826 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), i == 0); | |
0f2d19dd JB |
827 | return ra; |
828 | case scm_tc7_smob: | |
829 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
830 | vargs = scm_vector (args); | |
b3fcac34 DH |
831 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
832 | SCM_WRONG_NUM_ARGS (); | |
833 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
834 | ndim = 0; |
835 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
836 | { | |
e11e83f3 | 837 | i = scm_to_signed_integer (ve[k], 0, SCM_ARRAY_NDIM(ra)); |
0f2d19dd JB |
838 | if (ndim < i) |
839 | ndim = i; | |
840 | } | |
841 | ndim++; | |
842 | res = scm_make_ra (ndim); | |
843 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
844 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
845 | for (k = ndim; k--;) | |
846 | { | |
847 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
848 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
849 | } | |
850 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
851 | { | |
e11e83f3 | 852 | i = scm_to_int (ve[k]); |
0f2d19dd JB |
853 | s = &(SCM_ARRAY_DIMS (ra)[k]); |
854 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
855 | if (r->ubnd < r->lbnd) | |
856 | { | |
857 | r->lbnd = s->lbnd; | |
858 | r->ubnd = s->ubnd; | |
859 | r->inc = s->inc; | |
860 | ndim--; | |
861 | } | |
862 | else | |
863 | { | |
864 | if (r->ubnd > s->ubnd) | |
865 | r->ubnd = s->ubnd; | |
866 | if (r->lbnd < s->lbnd) | |
867 | { | |
868 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
869 | r->lbnd = s->lbnd; | |
870 | } | |
871 | r->inc += s->inc; | |
872 | } | |
873 | } | |
b3fcac34 DH |
874 | if (ndim > 0) |
875 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
876 | scm_ra_set_contp (res); |
877 | return res; | |
878 | } | |
879 | } | |
1bbd0b84 | 880 | #undef FUNC_NAME |
0f2d19dd JB |
881 | |
882 | /* args are RA . AXES */ | |
af45e3b0 DH |
883 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
884 | (SCM ra, SCM axes), | |
b380b885 MD |
885 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
886 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
887 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
888 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
889 | "the dimensions of the outer array are the same as those of the original\n" | |
890 | "array that did not match a @var{dim}.\n\n" | |
891 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
892 | "be set using @code{array-set!}. Two references to the same element of\n" | |
893 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
894 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
895 | "enclosed array is unspecified.\n\n" | |
896 | "examples:\n" | |
1e6808ea | 897 | "@lisp\n" |
b380b885 MD |
898 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
899 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
900 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
901 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 902 | "@end lisp") |
1bbd0b84 | 903 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 904 | { |
af45e3b0 | 905 | SCM axv, res, ra_inr; |
cc95e00a | 906 | const char *c_axv; |
92c2555f | 907 | scm_t_array_dim vdim, *s = &vdim; |
0f2d19dd | 908 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 909 | |
b3fcac34 | 910 | SCM_VALIDATE_REST_ARGUMENT (axes); |
d2e53ed6 | 911 | if (scm_is_null (axes)) |
e11e83f3 | 912 | axes = scm_cons ((SCM_ARRAYP (ra) ? scm_from_size_t (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
0f2d19dd | 913 | ninr = scm_ilength (axes); |
b3fcac34 DH |
914 | if (ninr < 0) |
915 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
916 | ra_inr = scm_make_ra (ninr); |
917 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 918 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
919 | { |
920 | default: | |
276dd677 | 921 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
922 | case scm_tc7_string: |
923 | case scm_tc7_bvect: | |
924 | case scm_tc7_byvect: | |
925 | case scm_tc7_uvect: | |
926 | case scm_tc7_ivect: | |
927 | case scm_tc7_fvect: | |
928 | case scm_tc7_dvect: | |
929 | case scm_tc7_cvect: | |
930 | case scm_tc7_vector: | |
95f5b0f5 | 931 | case scm_tc7_wvect: |
0f2d19dd | 932 | case scm_tc7_svect: |
2a5cd898 | 933 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
934 | case scm_tc7_llvect: |
935 | #endif | |
936 | s->lbnd = 0; | |
e11e83f3 | 937 | s->ubnd = scm_to_long (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
938 | s->inc = 1; |
939 | SCM_ARRAY_V (ra_inr) = ra; | |
940 | SCM_ARRAY_BASE (ra_inr) = 0; | |
941 | ndim = 1; | |
942 | break; | |
943 | case scm_tc7_smob: | |
944 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
945 | s = SCM_ARRAY_DIMS (ra); | |
946 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
947 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
948 | ndim = SCM_ARRAY_NDIM (ra); | |
949 | break; | |
950 | } | |
951 | noutr = ndim - ninr; | |
b3fcac34 DH |
952 | if (noutr < 0) |
953 | SCM_WRONG_NUM_ARGS (); | |
e11e83f3 | 954 | axv = scm_make_string (scm_from_int (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
955 | res = scm_make_ra (noutr); |
956 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
957 | SCM_ARRAY_V (res) = ra_inr; | |
958 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
959 | { | |
e11e83f3 | 960 | if (!scm_is_integer (SCM_CAR (axes))) |
b3fcac34 | 961 | SCM_MISC_ERROR ("bad axis", SCM_EOL); |
e11e83f3 | 962 | j = scm_to_int (SCM_CAR (axes)); |
0f2d19dd JB |
963 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; |
964 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
965 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
cc95e00a | 966 | scm_c_string_set_x (axv, j, SCM_MAKE_CHAR (1)); |
0f2d19dd | 967 | } |
cc95e00a | 968 | c_axv = scm_i_string_chars (axv); |
0f2d19dd JB |
969 | for (j = 0, k = 0; k < noutr; k++, j++) |
970 | { | |
cc95e00a | 971 | while (c_axv[j]) |
0f2d19dd JB |
972 | j++; |
973 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
974 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
975 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
976 | } | |
cc95e00a | 977 | scm_remember_upto_here_1 (axv); |
0f2d19dd JB |
978 | scm_ra_set_contp (ra_inr); |
979 | scm_ra_set_contp (res); | |
980 | return res; | |
981 | } | |
1bbd0b84 | 982 | #undef FUNC_NAME |
0f2d19dd JB |
983 | |
984 | ||
985 | ||
af45e3b0 DH |
986 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
987 | (SCM v, SCM args), | |
1e6808ea MG |
988 | "Return @code{#t} if its arguments would be acceptable to\n" |
989 | "@code{array-ref}.") | |
1bbd0b84 | 990 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 991 | { |
af45e3b0 | 992 | SCM ind = SCM_EOL; |
c014a02e | 993 | long pos = 0; |
1be6b49c | 994 | register size_t k; |
c014a02e | 995 | register long j; |
92c2555f | 996 | scm_t_array_dim *s; |
af45e3b0 | 997 | |
b3fcac34 | 998 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
999 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1000 | if (SCM_NIMP (args)) | |
1001 | ||
1002 | { | |
1003 | ind = SCM_CAR (args); | |
1004 | args = SCM_CDR (args); | |
e11e83f3 | 1005 | pos = scm_to_long (ind); |
0f2d19dd JB |
1006 | } |
1007 | tail: | |
74014c46 | 1008 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1009 | { |
1010 | default: | |
276dd677 | 1011 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 1012 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1013 | case scm_tc7_smob: |
1014 | k = SCM_ARRAY_NDIM (v); | |
1015 | s = SCM_ARRAY_DIMS (v); | |
1016 | pos = SCM_ARRAY_BASE (v); | |
1017 | if (!k) | |
1018 | { | |
d2e53ed6 | 1019 | SCM_ASRTGO (scm_is_null (ind), wna); |
0f2d19dd JB |
1020 | ind = SCM_INUM0; |
1021 | } | |
1022 | else | |
1023 | while (!0) | |
1024 | { | |
e11e83f3 | 1025 | j = scm_to_long (ind); |
0f2d19dd JB |
1026 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) |
1027 | { | |
1028 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1029 | return SCM_BOOL_F; | |
1030 | } | |
1031 | pos += (j - s->lbnd) * (s->inc); | |
1032 | if (!(--k && SCM_NIMP (args))) | |
1033 | break; | |
1034 | ind = SCM_CAR (args); | |
1035 | args = SCM_CDR (args); | |
1036 | s++; | |
e11e83f3 | 1037 | if (!scm_is_integer (ind)) |
b3fcac34 | 1038 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
1039 | } |
1040 | SCM_ASRTGO (0 == k, wna); | |
1041 | v = SCM_ARRAY_V (v); | |
1042 | goto tail; | |
1043 | case scm_tc7_bvect: | |
1044 | case scm_tc7_string: | |
1045 | case scm_tc7_byvect: | |
1046 | case scm_tc7_uvect: | |
1047 | case scm_tc7_ivect: | |
1048 | case scm_tc7_fvect: | |
1049 | case scm_tc7_dvect: | |
1050 | case scm_tc7_cvect: | |
1051 | case scm_tc7_svect: | |
2a5cd898 | 1052 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1053 | case scm_tc7_llvect: |
1054 | #endif | |
1055 | case scm_tc7_vector: | |
95f5b0f5 | 1056 | case scm_tc7_wvect: |
74014c46 | 1057 | { |
e11e83f3 | 1058 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (v)); |
d2e53ed6 | 1059 | SCM_ASRTGO (scm_is_null (args) && scm_is_integer (ind), wna); |
7888309b | 1060 | return scm_from_bool(pos >= 0 && pos < length); |
74014c46 | 1061 | } |
0f2d19dd JB |
1062 | } |
1063 | } | |
1bbd0b84 | 1064 | #undef FUNC_NAME |
0f2d19dd JB |
1065 | |
1066 | ||
1bbd0b84 | 1067 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1068 | |
1bbd0b84 | 1069 | |
3b3b36dd | 1070 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1071 | (SCM v, SCM args), |
8f85c0c6 | 1072 | "@deffnx {Scheme Procedure} array-ref v . args\n" |
1e6808ea MG |
1073 | "Return the element at the @code{(index1, index2)} element in\n" |
1074 | "@var{array}.") | |
1bbd0b84 | 1075 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd | 1076 | { |
c014a02e | 1077 | long pos; |
0f2d19dd | 1078 | |
35de7ebe | 1079 | if (SCM_IMP (v)) |
0f2d19dd | 1080 | { |
d2e53ed6 | 1081 | SCM_ASRTGO (scm_is_null (args), badarg); |
0f2d19dd JB |
1082 | return v; |
1083 | } | |
1084 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1085 | { |
1bbd0b84 | 1086 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1087 | v = SCM_ARRAY_V (v); |
1088 | } | |
1089 | else | |
1090 | { | |
c014a02e | 1091 | unsigned long int length; |
0f2d19dd | 1092 | if (SCM_NIMP (args)) |
0f2d19dd | 1093 | { |
d2e53ed6 | 1094 | SCM_ASSERT (scm_is_pair (args), args, SCM_ARG2, FUNC_NAME); |
e11e83f3 | 1095 | pos = scm_to_long (SCM_CAR (args)); |
d2e53ed6 | 1096 | SCM_ASRTGO (scm_is_null (SCM_CDR (args)), wna); |
0f2d19dd JB |
1097 | } |
1098 | else | |
1099 | { | |
a55c2b68 | 1100 | pos = scm_to_long (args); |
0f2d19dd | 1101 | } |
e11e83f3 | 1102 | length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 | 1103 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); |
0f2d19dd | 1104 | } |
74014c46 | 1105 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1106 | { |
1107 | default: | |
d2e53ed6 | 1108 | if (scm_is_null (args)) |
0f2d19dd | 1109 | return v; |
35de7ebe | 1110 | badarg: |
276dd677 DH |
1111 | SCM_WRONG_TYPE_ARG (1, v); |
1112 | /* not reached */ | |
c209c88e GB |
1113 | |
1114 | outrng: | |
e11e83f3 | 1115 | scm_out_of_range (FUNC_NAME, scm_from_long (pos)); |
c209c88e | 1116 | wna: |
b3fcac34 | 1117 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1118 | case scm_tc7_smob: |
1119 | { /* enclosed */ | |
1120 | int k = SCM_ARRAY_NDIM (v); | |
1121 | SCM res = scm_make_ra (k); | |
1122 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1123 | SCM_ARRAY_BASE (res) = pos; | |
1124 | while (k--) | |
1125 | { | |
1126 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1127 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1128 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1129 | } | |
1130 | return res; | |
1131 | } | |
1132 | case scm_tc7_bvect: | |
c209c88e | 1133 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1134 | return SCM_BOOL_T; |
1135 | else | |
1136 | return SCM_BOOL_F; | |
1137 | case scm_tc7_string: | |
cc95e00a | 1138 | return scm_c_string_ref (v, pos); |
0f2d19dd | 1139 | case scm_tc7_byvect: |
bebf6a08 | 1140 | return scm_from_schar (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1141 | case scm_tc7_uvect: |
e11e83f3 | 1142 | return scm_from_ulong (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1143 | case scm_tc7_ivect: |
e11e83f3 | 1144 | return scm_from_long (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1145 | |
1146 | case scm_tc7_svect: | |
e11e83f3 | 1147 | return scm_from_short (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1148 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1149 | case scm_tc7_llvect: |
e11e83f3 | 1150 | return scm_from_long_long (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1151 | #endif |
1152 | ||
0f2d19dd | 1153 | case scm_tc7_fvect: |
d9a67fc4 | 1154 | return scm_from_double (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1155 | case scm_tc7_dvect: |
d9a67fc4 | 1156 | return scm_from_double (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1157 | case scm_tc7_cvect: |
7a72bb41 MV |
1158 | return scm_c_make_rectangular (((double *) SCM_CELL_WORD_1(v))[2*pos], |
1159 | ((double *) SCM_CELL_WORD_1(v))[2*pos+1]); | |
0f2d19dd | 1160 | case scm_tc7_vector: |
95f5b0f5 | 1161 | case scm_tc7_wvect: |
0f2d19dd JB |
1162 | return SCM_VELTS (v)[pos]; |
1163 | } | |
1164 | } | |
1bbd0b84 | 1165 | #undef FUNC_NAME |
0f2d19dd JB |
1166 | |
1167 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1168 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1169 | |
0f2d19dd | 1170 | SCM |
c014a02e | 1171 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1172 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1173 | { |
5c11cc9d | 1174 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1175 | { |
1176 | default: | |
db4b4ca6 | 1177 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1178 | case scm_tc7_bvect: |
34d19ef6 | 1179 | if (SCM_BITVEC_REF(v, pos)) |
0f2d19dd JB |
1180 | return SCM_BOOL_T; |
1181 | else | |
1182 | return SCM_BOOL_F; | |
1183 | case scm_tc7_string: | |
cc95e00a | 1184 | return scm_c_string_ref (v, pos); |
0f2d19dd | 1185 | case scm_tc7_byvect: |
e11e83f3 | 1186 | return scm_from_char (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1187 | case scm_tc7_uvect: |
e11e83f3 | 1188 | return scm_from_ulong (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1189 | case scm_tc7_ivect: |
e11e83f3 | 1190 | return scm_from_long (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1191 | case scm_tc7_svect: |
e11e83f3 | 1192 | return scm_from_short (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1193 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1194 | case scm_tc7_llvect: |
e11e83f3 | 1195 | return scm_from_long_long (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1196 | #endif |
0f2d19dd | 1197 | case scm_tc7_fvect: |
bc36d050 | 1198 | if (SCM_REALP (last) && !scm_is_eq (last, scm_flo0)) |
0f2d19dd | 1199 | { |
4260a7fc | 1200 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1201 | return last; |
1202 | } | |
d9a67fc4 | 1203 | return scm_from_double (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1204 | case scm_tc7_dvect: |
bc36d050 | 1205 | if (SCM_REALP (last) && !scm_is_eq (last, scm_flo0)) |
0f2d19dd | 1206 | { |
4260a7fc | 1207 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1208 | return last; |
1209 | } | |
d9a67fc4 | 1210 | return scm_from_double (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1211 | case scm_tc7_cvect: |
3ea39242 | 1212 | if (SCM_COMPLEXP (last)) |
0f2d19dd | 1213 | { |
4260a7fc DH |
1214 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1215 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1216 | return last; |
1217 | } | |
7a72bb41 MV |
1218 | return scm_c_make_rectangular (((double *) SCM_CELL_WORD_1(v))[2*pos], |
1219 | ((double *) SCM_CELL_WORD_1(v))[2*pos+1]); | |
0f2d19dd | 1220 | case scm_tc7_vector: |
95f5b0f5 | 1221 | case scm_tc7_wvect: |
0f2d19dd JB |
1222 | return SCM_VELTS (v)[pos]; |
1223 | case scm_tc7_smob: | |
1224 | { /* enclosed scm_array */ | |
1225 | int k = SCM_ARRAY_NDIM (v); | |
1226 | SCM res = scm_make_ra (k); | |
1227 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1228 | SCM_ARRAY_BASE (res) = pos; | |
1229 | while (k--) | |
1230 | { | |
1231 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1232 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1233 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1234 | } | |
1235 | return res; | |
1236 | } | |
1237 | } | |
1238 | } | |
db4b4ca6 DH |
1239 | #undef FUNC_NAME |
1240 | ||
0f2d19dd | 1241 | |
1bbd0b84 GB |
1242 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1243 | ||
1cc91f1b | 1244 | |
0aa0871f GH |
1245 | /* Note that args may be a list or an immediate object, depending which |
1246 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1247 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1248 | (SCM v, SCM obj, SCM args), |
8f85c0c6 NJ |
1249 | "@deffnx {Scheme Procedure} uniform-array-set1! v obj args\n" |
1250 | "Set the element at the @code{(index1, index2)} element in @var{array} to\n" | |
b380b885 | 1251 | "@var{new-value}. The value returned by array-set! is unspecified.") |
1bbd0b84 | 1252 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1253 | { |
c014a02e | 1254 | long pos = 0; |
b3fcac34 | 1255 | |
0f2d19dd JB |
1256 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1257 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1258 | { |
1bbd0b84 | 1259 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1260 | v = SCM_ARRAY_V (v); |
1261 | } | |
1262 | else | |
1263 | { | |
c014a02e | 1264 | unsigned long int length; |
d2e53ed6 | 1265 | if (scm_is_pair (args)) |
0f2d19dd | 1266 | { |
d2e53ed6 | 1267 | SCM_ASRTGO (scm_is_null (SCM_CDR (args)), wna); |
e11e83f3 | 1268 | pos = scm_to_long (SCM_CAR (args)); |
0f2d19dd JB |
1269 | } |
1270 | else | |
1271 | { | |
a55c2b68 | 1272 | pos = scm_to_long (args); |
0f2d19dd | 1273 | } |
e11e83f3 | 1274 | length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 | 1275 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); |
0f2d19dd JB |
1276 | } |
1277 | switch (SCM_TYP7 (v)) | |
1278 | { | |
35de7ebe | 1279 | default: badarg1: |
276dd677 DH |
1280 | SCM_WRONG_TYPE_ARG (1, v); |
1281 | /* not reached */ | |
c209c88e | 1282 | outrng: |
e11e83f3 | 1283 | scm_out_of_range (FUNC_NAME, scm_from_long (pos)); |
c209c88e | 1284 | wna: |
b3fcac34 | 1285 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1286 | case scm_tc7_smob: /* enclosed */ |
1287 | goto badarg1; | |
1288 | case scm_tc7_bvect: | |
7888309b | 1289 | if (scm_is_false (obj)) |
34d19ef6 | 1290 | SCM_BITVEC_CLR(v, pos); |
bc36d050 | 1291 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
34d19ef6 | 1292 | SCM_BITVEC_SET(v, pos); |
0f2d19dd | 1293 | else |
276dd677 | 1294 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1295 | break; |
1296 | case scm_tc7_string: | |
7866a09b | 1297 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
cc95e00a | 1298 | scm_c_string_set_x (v, pos, obj); |
0f2d19dd JB |
1299 | break; |
1300 | case scm_tc7_byvect: | |
7866a09b | 1301 | if (SCM_CHARP (obj)) |
bebf6a08 KR |
1302 | obj = scm_from_schar ((char) SCM_CHAR (obj)); |
1303 | ((char *) SCM_UVECTOR_BASE (v))[pos] = scm_to_schar (obj); | |
0f2d19dd | 1304 | break; |
1bbd0b84 | 1305 | case scm_tc7_uvect: |
b9bd8526 | 1306 | ((unsigned long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_ulong (obj); |
c209c88e | 1307 | break; |
1bbd0b84 | 1308 | case scm_tc7_ivect: |
b9bd8526 | 1309 | ((long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_long (obj); |
c209c88e | 1310 | break; |
0f2d19dd | 1311 | case scm_tc7_svect: |
b9bd8526 | 1312 | ((short *) SCM_UVECTOR_BASE (v))[pos] = scm_to_short (obj); |
0f2d19dd | 1313 | break; |
2a5cd898 | 1314 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1315 | case scm_tc7_llvect: |
b9bd8526 | 1316 | ((long long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_long_long (obj); |
0f2d19dd JB |
1317 | break; |
1318 | #endif | |
0f2d19dd | 1319 | case scm_tc7_fvect: |
d9a67fc4 | 1320 | ((float *) SCM_UVECTOR_BASE (v))[pos] = scm_to_double (obj); |
0f2d19dd | 1321 | break; |
0f2d19dd | 1322 | case scm_tc7_dvect: |
d9a67fc4 | 1323 | ((double *) SCM_UVECTOR_BASE (v))[pos] = scm_to_double (obj); |
0f2d19dd JB |
1324 | break; |
1325 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1326 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1327 | if (SCM_REALP (obj)) { | |
729dbac3 DH |
1328 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_REAL_VALUE (obj); |
1329 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = 0.0; | |
eb42e2f0 | 1330 | } else { |
729dbac3 DH |
1331 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_COMPLEX_REAL (obj); |
1332 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
eb42e2f0 | 1333 | } |
0f2d19dd | 1334 | break; |
0f2d19dd | 1335 | case scm_tc7_vector: |
95f5b0f5 | 1336 | case scm_tc7_wvect: |
34d19ef6 | 1337 | SCM_VECTOR_SET (v, pos, obj); |
0f2d19dd JB |
1338 | break; |
1339 | } | |
1340 | return SCM_UNSPECIFIED; | |
1341 | } | |
1bbd0b84 | 1342 | #undef FUNC_NAME |
0f2d19dd | 1343 | |
1d7bdb25 GH |
1344 | /* attempts to unroll an array into a one-dimensional array. |
1345 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1346 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1347 | wouldn't have contiguous elements. */ |
3b3b36dd | 1348 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1349 | (SCM ra, SCM strict), |
b380b885 MD |
1350 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" |
1351 | "without changing their order (last subscript changing fastest), then\n" | |
1352 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1353 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1354 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1355 | "@var{make-shared-array} may not be.\n\n" | |
1356 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1357 | "be returned only if its elements are stored internally contiguous in\n" | |
1358 | "memory.") | |
1bbd0b84 | 1359 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1360 | { |
1361 | SCM sra; | |
1362 | if (SCM_IMP (ra)) | |
f3667f52 | 1363 | return SCM_BOOL_F; |
5c11cc9d | 1364 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1365 | { |
1366 | default: | |
1367 | return SCM_BOOL_F; | |
1368 | case scm_tc7_vector: | |
95f5b0f5 | 1369 | case scm_tc7_wvect: |
0f2d19dd JB |
1370 | case scm_tc7_string: |
1371 | case scm_tc7_bvect: | |
1372 | case scm_tc7_byvect: | |
1373 | case scm_tc7_uvect: | |
1374 | case scm_tc7_ivect: | |
1375 | case scm_tc7_fvect: | |
1376 | case scm_tc7_dvect: | |
1377 | case scm_tc7_cvect: | |
1378 | case scm_tc7_svect: | |
2a5cd898 | 1379 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1380 | case scm_tc7_llvect: |
1381 | #endif | |
1382 | return ra; | |
1383 | case scm_tc7_smob: | |
1384 | { | |
c014a02e | 1385 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1386 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1387 | return SCM_BOOL_F; | |
1388 | for (k = 0; k < ndim; k++) | |
1389 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1390 | if (!SCM_UNBNDP (strict)) | |
1391 | { | |
0f2d19dd JB |
1392 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1393 | return SCM_BOOL_F; | |
1394 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1395 | { | |
74014c46 | 1396 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1397 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1398 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1399 | return SCM_BOOL_F; |
1400 | } | |
1401 | } | |
74014c46 DH |
1402 | |
1403 | { | |
1404 | SCM v = SCM_ARRAY_V (ra); | |
e11e83f3 | 1405 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 DH |
1406 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1407 | return v; | |
1408 | } | |
1409 | ||
0f2d19dd JB |
1410 | sra = scm_make_ra (1); |
1411 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1412 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1413 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1414 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1415 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1416 | return sra; | |
1417 | } | |
1418 | } | |
1419 | } | |
1bbd0b84 | 1420 | #undef FUNC_NAME |
0f2d19dd | 1421 | |
1cc91f1b | 1422 | |
0f2d19dd | 1423 | SCM |
6e8d25a6 | 1424 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1425 | { |
1426 | SCM ret; | |
c014a02e ML |
1427 | long inc = 1; |
1428 | size_t k, len = 1; | |
0f2d19dd JB |
1429 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1430 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1431 | k = SCM_ARRAY_NDIM (ra); | |
1432 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1433 | { | |
74014c46 | 1434 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1435 | return ra; |
74014c46 | 1436 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1437 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1438 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1439 | return ra; |
1440 | } | |
1441 | ret = scm_make_ra (k); | |
1442 | SCM_ARRAY_BASE (ret) = 0; | |
1443 | while (k--) | |
1444 | { | |
1445 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1446 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1447 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1448 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1449 | } | |
08112c95 | 1450 | SCM_ARRAY_V (ret) = scm_make_uve (inc, scm_array_prototype (ra)); |
0f2d19dd JB |
1451 | if (copy) |
1452 | scm_array_copy_x (ra, ret); | |
1453 | return ret; | |
1454 | } | |
1455 | ||
1456 | ||
1457 | ||
3b3b36dd | 1458 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1459 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 NJ |
1460 | "@deffnx {Scheme Procedure} uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1461 | "Attempt to read all elements of @var{ura}, in lexicographic order, as\n" | |
b380b885 | 1462 | "binary objects from @var{port-or-fdes}.\n" |
8f85c0c6 NJ |
1463 | "If an end of file is encountered,\n" |
1464 | "the objects up to that point are put into @var{ura}\n" | |
b380b885 MD |
1465 | "(starting at the beginning) and the remainder of the array is\n" |
1466 | "unchanged.\n\n" | |
1467 | "The optional arguments @var{start} and @var{end} allow\n" | |
1468 | "a specified region of a vector (or linearized array) to be read,\n" | |
1469 | "leaving the remainder of the vector unchanged.\n\n" | |
1470 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1471 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1472 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1473 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1474 | { |
35de7ebe | 1475 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1476 | long sz, vlen, ans; |
1477 | long cstart = 0; | |
1478 | long cend; | |
1479 | long offset = 0; | |
405aaef9 | 1480 | char *base; |
35de7ebe | 1481 | |
0f2d19dd | 1482 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1483 | if (SCM_UNBNDP (port_or_fd)) |
1484 | port_or_fd = scm_cur_inp; | |
1485 | else | |
e11e83f3 | 1486 | SCM_ASSERT (scm_is_integer (port_or_fd) |
0c95b57d | 1487 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1488 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1489 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1490 | ? 0 | |
e11e83f3 | 1491 | : scm_to_long (scm_uniform_vector_length (v))); |
35de7ebe | 1492 | |
0f2d19dd | 1493 | loop: |
35de7ebe | 1494 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1495 | { |
1496 | default: | |
276dd677 | 1497 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd JB |
1498 | case scm_tc7_smob: |
1499 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1500 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1501 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1502 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1503 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1504 | v = SCM_ARRAY_V (cra); | |
1505 | goto loop; | |
1506 | case scm_tc7_string: | |
cc95e00a | 1507 | base = NULL; /* writing to strings is special, see below. */ |
0f2d19dd JB |
1508 | sz = sizeof (char); |
1509 | break; | |
1510 | case scm_tc7_bvect: | |
74014c46 | 1511 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1512 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1513 | cstart /= SCM_LONG_BIT; | |
1514 | sz = sizeof (long); | |
74014c46 DH |
1515 | break; |
1516 | case scm_tc7_byvect: | |
1517 | base = (char *) SCM_UVECTOR_BASE (v); | |
1518 | sz = sizeof (char); | |
1519 | break; | |
0f2d19dd JB |
1520 | case scm_tc7_uvect: |
1521 | case scm_tc7_ivect: | |
74014c46 | 1522 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1523 | sz = sizeof (long); |
1524 | break; | |
1525 | case scm_tc7_svect: | |
74014c46 | 1526 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1527 | sz = sizeof (short); |
1528 | break; | |
2a5cd898 | 1529 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1530 | case scm_tc7_llvect: |
74014c46 | 1531 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1532 | sz = sizeof (long long); |
0f2d19dd JB |
1533 | break; |
1534 | #endif | |
0f2d19dd | 1535 | case scm_tc7_fvect: |
74014c46 | 1536 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1537 | sz = sizeof (float); |
1538 | break; | |
0f2d19dd | 1539 | case scm_tc7_dvect: |
74014c46 | 1540 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1541 | sz = sizeof (double); |
1542 | break; | |
1543 | case scm_tc7_cvect: | |
74014c46 | 1544 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1545 | sz = 2 * sizeof (double); |
1546 | break; | |
0f2d19dd | 1547 | } |
405aaef9 | 1548 | |
1146b6cd GH |
1549 | cend = vlen; |
1550 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1551 | { |
1146b6cd | 1552 | offset = |
c014a02e | 1553 | SCM_NUM2LONG (3, start); |
35de7ebe | 1554 | |
1146b6cd | 1555 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1556 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1557 | |
1558 | if (!SCM_UNBNDP (end)) | |
1559 | { | |
c014a02e ML |
1560 | long tend = |
1561 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1562 | |
1146b6cd | 1563 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1564 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1565 | cend = tend; |
1566 | } | |
0f2d19dd | 1567 | } |
35de7ebe | 1568 | |
3d8d56df GH |
1569 | if (SCM_NIMP (port_or_fd)) |
1570 | { | |
92c2555f | 1571 | scm_t_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1572 | int remaining = (cend - offset) * sz; |
cc95e00a | 1573 | size_t off = (cstart + offset) * sz; |
6c951427 GH |
1574 | |
1575 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1576 | scm_flush (port_or_fd); |
6c951427 GH |
1577 | |
1578 | ans = cend - offset; | |
1579 | while (remaining > 0) | |
3d8d56df | 1580 | { |
6c951427 GH |
1581 | if (pt->read_pos < pt->read_end) |
1582 | { | |
1583 | int to_copy = min (pt->read_end - pt->read_pos, | |
1584 | remaining); | |
1585 | ||
cc95e00a MV |
1586 | if (base == NULL) |
1587 | { | |
1588 | /* strings */ | |
1589 | char *b = scm_i_string_writable_chars (v); | |
1590 | memcpy (b + off, pt->read_pos, to_copy); | |
1591 | scm_i_string_stop_writing (); | |
1592 | } | |
1593 | else | |
1594 | memcpy (base + off, pt->read_pos, to_copy); | |
6c951427 GH |
1595 | pt->read_pos += to_copy; |
1596 | remaining -= to_copy; | |
cc95e00a | 1597 | off += to_copy; |
6c951427 GH |
1598 | } |
1599 | else | |
1600 | { | |
affc96b5 | 1601 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1602 | { |
1603 | if (remaining % sz != 0) | |
1604 | { | |
5d2d2ffc | 1605 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1606 | } |
1607 | ans -= remaining / sz; | |
1608 | break; | |
1609 | } | |
6c951427 | 1610 | } |
3d8d56df | 1611 | } |
6c951427 GH |
1612 | |
1613 | if (pt->rw_random) | |
1614 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1615 | } |
1616 | else /* file descriptor. */ | |
1617 | { | |
cc95e00a MV |
1618 | if (base == NULL) |
1619 | { | |
1620 | /* strings */ | |
1621 | char *b = scm_i_string_writable_chars (v); | |
1622 | SCM_SYSCALL (ans = read (scm_to_int (port_or_fd), | |
1623 | b + (cstart + offset) * sz, | |
1624 | (sz * (cend - offset)))); | |
1625 | scm_i_string_stop_writing (); | |
1626 | } | |
1627 | else | |
1628 | SCM_SYSCALL (ans = read (scm_to_int (port_or_fd), | |
1629 | base + (cstart + offset) * sz, | |
1630 | (sz * (cend - offset)))); | |
3d8d56df | 1631 | if (ans == -1) |
1bbd0b84 | 1632 | SCM_SYSERROR; |
3d8d56df | 1633 | } |
0f2d19dd | 1634 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1635 | ans *= SCM_LONG_BIT; |
35de7ebe | 1636 | |
bc36d050 | 1637 | if (!scm_is_eq (v, ra) && !scm_is_eq (cra, ra)) |
0f2d19dd | 1638 | scm_array_copy_x (cra, ra); |
35de7ebe | 1639 | |
e11e83f3 | 1640 | return scm_from_long (ans); |
0f2d19dd | 1641 | } |
1bbd0b84 | 1642 | #undef FUNC_NAME |
0f2d19dd | 1643 | |
3b3b36dd | 1644 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1645 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 | 1646 | "@deffnx {Scheme Procedure} uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
b380b885 MD |
1647 | "Writes all elements of @var{ura} as binary objects to\n" |
1648 | "@var{port-or-fdes}.\n\n" | |
1649 | "The optional arguments @var{start}\n" | |
1650 | "and @var{end} allow\n" | |
1651 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
9401323e | 1652 | "The number of objects actually written is returned.\n" |
b380b885 MD |
1653 | "@var{port-or-fdes} may be\n" |
1654 | "omitted, in which case it defaults to the value returned by\n" | |
1655 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1656 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1657 | { |
c014a02e ML |
1658 | long sz, vlen, ans; |
1659 | long offset = 0; | |
1660 | long cstart = 0; | |
1661 | long cend; | |
cc95e00a | 1662 | const char *base; |
3d8d56df | 1663 | |
78446828 MV |
1664 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1665 | ||
0f2d19dd | 1666 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1667 | if (SCM_UNBNDP (port_or_fd)) |
1668 | port_or_fd = scm_cur_outp; | |
1669 | else | |
e11e83f3 | 1670 | SCM_ASSERT (scm_is_integer (port_or_fd) |
0c95b57d | 1671 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1672 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1673 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1674 | ? 0 | |
e11e83f3 | 1675 | : scm_to_long (scm_uniform_vector_length (v))); |
d245ce23 | 1676 | |
0f2d19dd | 1677 | loop: |
3d8d56df | 1678 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1679 | { |
1680 | default: | |
276dd677 | 1681 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1682 | case scm_tc7_smob: |
1683 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1684 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1685 | cstart = SCM_ARRAY_BASE (v); |
d245ce23 MD |
1686 | vlen = (SCM_ARRAY_DIMS (v)->inc |
1687 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1)); | |
0f2d19dd JB |
1688 | v = SCM_ARRAY_V (v); |
1689 | goto loop; | |
0f2d19dd | 1690 | case scm_tc7_string: |
cc95e00a | 1691 | base = scm_i_string_chars (v); |
0f2d19dd JB |
1692 | sz = sizeof (char); |
1693 | break; | |
1694 | case scm_tc7_bvect: | |
74014c46 | 1695 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1696 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1697 | cstart /= SCM_LONG_BIT; | |
1698 | sz = sizeof (long); | |
74014c46 DH |
1699 | break; |
1700 | case scm_tc7_byvect: | |
1701 | base = (char *) SCM_UVECTOR_BASE (v); | |
1702 | sz = sizeof (char); | |
1703 | break; | |
0f2d19dd JB |
1704 | case scm_tc7_uvect: |
1705 | case scm_tc7_ivect: | |
74014c46 | 1706 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1707 | sz = sizeof (long); |
1708 | break; | |
1709 | case scm_tc7_svect: | |
74014c46 | 1710 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1711 | sz = sizeof (short); |
1712 | break; | |
2a5cd898 | 1713 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1714 | case scm_tc7_llvect: |
74014c46 | 1715 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1716 | sz = sizeof (long long); |
0f2d19dd JB |
1717 | break; |
1718 | #endif | |
0f2d19dd | 1719 | case scm_tc7_fvect: |
74014c46 | 1720 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1721 | sz = sizeof (float); |
1722 | break; | |
0f2d19dd | 1723 | case scm_tc7_dvect: |
74014c46 | 1724 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1725 | sz = sizeof (double); |
1726 | break; | |
1727 | case scm_tc7_cvect: | |
74014c46 | 1728 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1729 | sz = 2 * sizeof (double); |
1730 | break; | |
0f2d19dd | 1731 | } |
3d8d56df | 1732 | |
1146b6cd GH |
1733 | cend = vlen; |
1734 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1735 | { |
1146b6cd | 1736 | offset = |
c014a02e | 1737 | SCM_NUM2LONG (3, start); |
3d8d56df | 1738 | |
1146b6cd | 1739 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1740 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1741 | |
1742 | if (!SCM_UNBNDP (end)) | |
1743 | { | |
c014a02e ML |
1744 | long tend = |
1745 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1746 | |
1146b6cd | 1747 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1748 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1749 | cend = tend; |
1750 | } | |
3d8d56df GH |
1751 | } |
1752 | ||
1753 | if (SCM_NIMP (port_or_fd)) | |
1754 | { | |
cc95e00a | 1755 | const char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1756 | |
1757 | ans = cend - offset; | |
265e6a4d | 1758 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1759 | } |
1760 | else /* file descriptor. */ | |
1761 | { | |
e11e83f3 | 1762 | SCM_SYSCALL (ans = write (scm_to_int (port_or_fd), |
405aaef9 | 1763 | base + (cstart + offset) * sz, |
1be6b49c | 1764 | (sz * (cend - offset)))); |
3d8d56df | 1765 | if (ans == -1) |
1bbd0b84 | 1766 | SCM_SYSERROR; |
3d8d56df | 1767 | } |
0f2d19dd | 1768 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1769 | ans *= SCM_LONG_BIT; |
3d8d56df | 1770 | |
e11e83f3 | 1771 | return scm_from_long (ans); |
0f2d19dd | 1772 | } |
1bbd0b84 | 1773 | #undef FUNC_NAME |
0f2d19dd JB |
1774 | |
1775 | ||
1776 | static char cnt_tab[16] = | |
1777 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1778 | ||
3b3b36dd | 1779 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1780 | (SCM b, SCM bitvector), |
1e6808ea | 1781 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1782 | "@var{bitvector}.") |
1bbd0b84 | 1783 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1784 | { |
44e47754 | 1785 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1786 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1787 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1788 | return SCM_INUM0; |
1789 | } else { | |
c014a02e ML |
1790 | unsigned long int count = 0; |
1791 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1792 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1793 | if (scm_is_false (b)) { |
44e47754 DH |
1794 | w = ~w; |
1795 | }; | |
c014a02e | 1796 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1797 | while (1) { |
1798 | while (w) { | |
1799 | count += cnt_tab[w & 0x0f]; | |
1800 | w >>= 4; | |
1801 | } | |
1802 | if (i == 0) { | |
e11e83f3 | 1803 | return scm_from_ulong (count); |
44e47754 DH |
1804 | } else { |
1805 | --i; | |
1806 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1807 | if (scm_is_false (b)) { |
44e47754 | 1808 | w = ~w; |
0f2d19dd | 1809 | } |
44e47754 | 1810 | } |
0f2d19dd | 1811 | } |
44e47754 | 1812 | } |
0f2d19dd | 1813 | } |
1bbd0b84 | 1814 | #undef FUNC_NAME |
0f2d19dd JB |
1815 | |
1816 | ||
3b3b36dd | 1817 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1818 | (SCM item, SCM v, SCM k), |
88ecf5cb KR |
1819 | "Return the index of the first occurrance of @var{item} in bit\n" |
1820 | "vector @var{v}, starting from @var{k}. If there is no\n" | |
1821 | "@var{item} entry between @var{k} and the end of\n" | |
1822 | "@var{bitvector}, then return @code{#f}. For example,\n" | |
1823 | "\n" | |
1824 | "@example\n" | |
1825 | "(bit-position #t #*000101 0) @result{} 3\n" | |
1826 | "(bit-position #f #*0001111 3) @result{} #f\n" | |
1827 | "@end example") | |
1bbd0b84 | 1828 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1829 | { |
c014a02e ML |
1830 | long i, lenw, xbits, pos; |
1831 | register unsigned long w; | |
74014c46 DH |
1832 | |
1833 | SCM_VALIDATE_BOOL (1, item); | |
1834 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
a55c2b68 | 1835 | pos = scm_to_long (k); |
74014c46 DH |
1836 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1837 | ||
1838 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1839 | return SCM_BOOL_F; |
74014c46 | 1840 | |
c014a02e ML |
1841 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1842 | i = pos / SCM_LONG_BIT; | |
74014c46 | 1843 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1844 | if (scm_is_false (item)) |
74014c46 | 1845 | w = ~w; |
c014a02e | 1846 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1847 | pos -= xbits; |
1848 | w = ((w >> xbits) << xbits); | |
c014a02e | 1849 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1850 | while (!0) |
1851 | { | |
1852 | if (w && (i == lenw)) | |
1853 | w = ((w << xbits) >> xbits); | |
1854 | if (w) | |
1855 | while (w) | |
1856 | switch (w & 0x0f) | |
1857 | { | |
1858 | default: | |
e11e83f3 | 1859 | return scm_from_long (pos); |
74014c46 DH |
1860 | case 2: |
1861 | case 6: | |
1862 | case 10: | |
1863 | case 14: | |
e11e83f3 | 1864 | return scm_from_long (pos + 1); |
74014c46 DH |
1865 | case 4: |
1866 | case 12: | |
e11e83f3 | 1867 | return scm_from_long (pos + 2); |
74014c46 | 1868 | case 8: |
e11e83f3 | 1869 | return scm_from_long (pos + 3); |
74014c46 DH |
1870 | case 0: |
1871 | pos += 4; | |
1872 | w >>= 4; | |
1873 | } | |
1874 | if (++i > lenw) | |
1875 | break; | |
c014a02e | 1876 | pos += SCM_LONG_BIT; |
f1267706 | 1877 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1878 | if (scm_is_false (item)) |
0f2d19dd | 1879 | w = ~w; |
0f2d19dd | 1880 | } |
74014c46 | 1881 | return SCM_BOOL_F; |
0f2d19dd | 1882 | } |
1bbd0b84 | 1883 | #undef FUNC_NAME |
0f2d19dd JB |
1884 | |
1885 | ||
3b3b36dd | 1886 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 | 1887 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1888 | "Set entries of bit vector @var{v} to @var{obj}, with @var{kv}\n" |
1889 | "selecting the entries to change. The return value is\n" | |
1890 | "unspecified.\n" | |
1891 | "\n" | |
1892 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1893 | "@code{#t} are the ones in @var{v} which are set to @var{obj}.\n" | |
1894 | "@var{kv} and @var{v} must be the same length. When @var{obj}\n" | |
1895 | "is @code{#t} it's like @var{kv} is OR'ed into @var{v}. Or when\n" | |
1896 | "@var{obj} is @code{#f} it can be seen as an ANDNOT.\n" | |
1897 | "\n" | |
1898 | "@example\n" | |
1899 | "(define bv #*01000010)\n" | |
1900 | "(bit-set*! bv #*10010001 #t)\n" | |
1901 | "bv\n" | |
1902 | "@result{} #*11010011\n" | |
1903 | "@end example\n" | |
1904 | "\n" | |
1905 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1906 | "they're indexes into @var{v} which are set to @var{obj}.\n" | |
1907 | "\n" | |
1908 | "@example\n" | |
1909 | "(define bv #*01000010)\n" | |
1910 | "(bit-set*! bv #u(5 2 7) #t)\n" | |
1911 | "bv\n" | |
1912 | "@result{} #*01100111\n" | |
1913 | "@end example") | |
1bbd0b84 | 1914 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1915 | { |
c014a02e | 1916 | register long i, k, vlen; |
74014c46 | 1917 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1918 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1919 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1920 | { |
1921 | default: | |
276dd677 | 1922 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1923 | case scm_tc7_uvect: |
74014c46 | 1924 | vlen = SCM_BITVECTOR_LENGTH (v); |
7888309b | 1925 | if (scm_is_false (obj)) |
74014c46 DH |
1926 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1927 | { | |
c014a02e | 1928 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1929 | if (k >= vlen) |
e11e83f3 | 1930 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 1931 | SCM_BITVEC_CLR(v, k); |
74014c46 | 1932 | } |
bc36d050 | 1933 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
74014c46 DH |
1934 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1935 | { | |
c014a02e | 1936 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1937 | if (k >= vlen) |
e11e83f3 | 1938 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 1939 | SCM_BITVEC_SET(v, k); |
74014c46 DH |
1940 | } |
1941 | else | |
276dd677 | 1942 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1943 | break; |
1944 | case scm_tc7_bvect: | |
74014c46 | 1945 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
7888309b | 1946 | if (scm_is_false (obj)) |
c014a02e | 1947 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1948 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; |
bc36d050 | 1949 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
c014a02e | 1950 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1951 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; |
0f2d19dd JB |
1952 | else |
1953 | goto badarg3; | |
1954 | break; | |
1955 | } | |
1956 | return SCM_UNSPECIFIED; | |
1957 | } | |
1bbd0b84 | 1958 | #undef FUNC_NAME |
0f2d19dd JB |
1959 | |
1960 | ||
3b3b36dd | 1961 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1962 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1963 | "Return a count of how many entries in bit vector @var{v} are\n" |
1964 | "equal to @var{obj}, with @var{kv} selecting the entries to\n" | |
1965 | "consider.\n" | |
1966 | "\n" | |
1967 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1968 | "@code{#t} are the ones in @var{v} which are considered.\n" | |
1969 | "@var{kv} and @var{v} must be the same length.\n" | |
1970 | "\n" | |
1971 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1972 | "it's the indexes in @var{v} to consider.\n" | |
1973 | "\n" | |
1974 | "For example,\n" | |
1975 | "\n" | |
1976 | "@example\n" | |
1977 | "(bit-count* #*01110111 #*11001101 #t) @result{} 3\n" | |
1978 | "(bit-count* #*01110111 #u(7 0 4) #f) @result{} 2\n" | |
1979 | "@end example") | |
1bbd0b84 | 1980 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1981 | { |
c014a02e ML |
1982 | register long i, vlen, count = 0; |
1983 | register unsigned long k; | |
41b0806d | 1984 | int fObj = 0; |
c209c88e | 1985 | |
74014c46 | 1986 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1987 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1988 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1989 | { |
1990 | default: | |
c209c88e | 1991 | badarg2: |
276dd677 | 1992 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1993 | case scm_tc7_uvect: |
74014c46 | 1994 | vlen = SCM_BITVECTOR_LENGTH (v); |
7888309b | 1995 | if (scm_is_false (obj)) |
74014c46 DH |
1996 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1997 | { | |
c014a02e | 1998 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1999 | if (k >= vlen) |
e11e83f3 | 2000 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 2001 | if (!SCM_BITVEC_REF(v, k)) |
74014c46 DH |
2002 | count++; |
2003 | } | |
bc36d050 | 2004 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
74014c46 DH |
2005 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
2006 | { | |
c014a02e | 2007 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 2008 | if (k >= vlen) |
e11e83f3 | 2009 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 2010 | if (SCM_BITVEC_REF (v, k)) |
74014c46 DH |
2011 | count++; |
2012 | } | |
2013 | else | |
276dd677 | 2014 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
2015 | break; |
2016 | case scm_tc7_bvect: | |
74014c46 DH |
2017 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
2018 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 2019 | return SCM_INUM0; |
7888309b | 2020 | SCM_ASRTGO (scm_is_bool (obj), badarg3); |
bc36d050 | 2021 | fObj = scm_is_eq (obj, SCM_BOOL_T); |
c014a02e ML |
2022 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
2023 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
2024 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 2025 | while (1) |
0f2d19dd JB |
2026 | { |
2027 | for (; k; k >>= 4) | |
2028 | count += cnt_tab[k & 0x0f]; | |
2029 | if (0 == i--) | |
e11e83f3 | 2030 | return scm_from_long (count); |
c209c88e GB |
2031 | |
2032 | /* urg. repetitive (see above.) */ | |
c014a02e | 2033 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
2034 | } |
2035 | } | |
e11e83f3 | 2036 | return scm_from_long (count); |
0f2d19dd | 2037 | } |
1bbd0b84 | 2038 | #undef FUNC_NAME |
0f2d19dd JB |
2039 | |
2040 | ||
3b3b36dd | 2041 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 2042 | (SCM v), |
88ecf5cb KR |
2043 | "Modify the bit vector @var{v} by replacing each element with\n" |
2044 | "its negation.") | |
1bbd0b84 | 2045 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2046 | { |
c014a02e | 2047 | long int k; |
74014c46 DH |
2048 | |
2049 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2050 | ||
2051 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 2052 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 2053 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 2054 | |
0f2d19dd JB |
2055 | return SCM_UNSPECIFIED; |
2056 | } | |
1bbd0b84 | 2057 | #undef FUNC_NAME |
0f2d19dd JB |
2058 | |
2059 | ||
0f2d19dd | 2060 | SCM |
cc95e00a | 2061 | scm_istr2bve (SCM str) |
0f2d19dd | 2062 | { |
cc95e00a | 2063 | size_t len = scm_i_string_length (str); |
0f2d19dd | 2064 | SCM v = scm_make_uve (len, SCM_BOOL_T); |
c014a02e ML |
2065 | long *data = (long *) SCM_VELTS (v); |
2066 | register unsigned long mask; | |
2067 | register long k; | |
2068 | register long j; | |
cc95e00a MV |
2069 | const char *c_str = scm_i_string_chars (str); |
2070 | ||
c014a02e | 2071 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) |
0f2d19dd JB |
2072 | { |
2073 | data[k] = 0L; | |
c014a02e ML |
2074 | j = len - k * SCM_LONG_BIT; |
2075 | if (j > SCM_LONG_BIT) | |
2076 | j = SCM_LONG_BIT; | |
0f2d19dd | 2077 | for (mask = 1L; j--; mask <<= 1) |
cc95e00a | 2078 | switch (*c_str++) |
0f2d19dd JB |
2079 | { |
2080 | case '0': | |
2081 | break; | |
2082 | case '1': | |
2083 | data[k] |= mask; | |
2084 | break; | |
2085 | default: | |
2086 | return SCM_BOOL_F; | |
2087 | } | |
2088 | } | |
2089 | return v; | |
2090 | } | |
2091 | ||
2092 | ||
1cc91f1b | 2093 | |
0f2d19dd | 2094 | static SCM |
34d19ef6 | 2095 | ra2l (SCM ra, unsigned long base, unsigned long k) |
0f2d19dd JB |
2096 | { |
2097 | register SCM res = SCM_EOL; | |
c014a02e ML |
2098 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2099 | register size_t i; | |
0f2d19dd JB |
2100 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
2101 | return SCM_EOL; | |
2102 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2103 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2104 | { | |
2105 | do | |
2106 | { | |
2107 | i -= inc; | |
2108 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2109 | } | |
2110 | while (i != base); | |
2111 | } | |
2112 | else | |
2113 | do | |
2114 | { | |
2115 | i -= inc; | |
e11e83f3 | 2116 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), scm_from_size_t (i)), res); |
0f2d19dd JB |
2117 | } |
2118 | while (i != base); | |
2119 | return res; | |
2120 | } | |
2121 | ||
2122 | ||
cd328b4f | 2123 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2124 | (SCM v), |
1e6808ea MG |
2125 | "Return a list consisting of all the elements, in order, of\n" |
2126 | "@var{array}.") | |
cd328b4f | 2127 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2128 | { |
2129 | SCM res = SCM_EOL; | |
c014a02e | 2130 | register long k; |
0f2d19dd | 2131 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 2132 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2133 | { |
2134 | default: | |
276dd677 | 2135 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2136 | case scm_tc7_smob: |
2137 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2138 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2139 | case scm_tc7_vector: | |
95f5b0f5 | 2140 | case scm_tc7_wvect: |
0f2d19dd JB |
2141 | return scm_vector_to_list (v); |
2142 | case scm_tc7_string: | |
2143 | return scm_string_to_list (v); | |
2144 | case scm_tc7_bvect: | |
2145 | { | |
c014a02e ML |
2146 | long *data = (long *) SCM_VELTS (v); |
2147 | register unsigned long mask; | |
2148 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
2149 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
7888309b | 2150 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
c014a02e | 2151 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
7888309b | 2152 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2153 | return res; |
2154 | } | |
af7546eb DH |
2155 | case scm_tc7_byvect: |
2156 | { | |
2157 | signed char *data = (signed char *) SCM_VELTS (v); | |
c014a02e | 2158 | unsigned long k = SCM_UVECTOR_LENGTH (v); |
af7546eb | 2159 | while (k != 0) |
e11e83f3 | 2160 | res = scm_cons (scm_from_schar (data[--k]), res); |
af7546eb DH |
2161 | return res; |
2162 | } | |
2163 | case scm_tc7_uvect: | |
2164 | { | |
e11e83f3 | 2165 | unsigned long *data = (unsigned long *)SCM_VELTS(v); |
af7546eb | 2166 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
e11e83f3 | 2167 | res = scm_cons(scm_from_ulong (data[k]), res); |
af7546eb DH |
2168 | return res; |
2169 | } | |
2170 | case scm_tc7_ivect: | |
2171 | { | |
c014a02e | 2172 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2173 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
e11e83f3 | 2174 | res = scm_cons(scm_from_long (data[k]), res); |
af7546eb DH |
2175 | return res; |
2176 | } | |
2177 | case scm_tc7_svect: | |
2178 | { | |
2179 | short *data = (short *)SCM_VELTS(v); | |
2180 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
b9bd8526 | 2181 | res = scm_cons (scm_from_short (data[k]), res); |
af7546eb DH |
2182 | return res; |
2183 | } | |
2a5cd898 | 2184 | #if SCM_SIZEOF_LONG_LONG != 0 |
af7546eb DH |
2185 | case scm_tc7_llvect: |
2186 | { | |
1be6b49c | 2187 | long long *data = (long long *)SCM_VELTS(v); |
af7546eb | 2188 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
b9bd8526 | 2189 | res = scm_cons(scm_from_long_long (data[k]), res); |
af7546eb DH |
2190 | return res; |
2191 | } | |
0f2d19dd | 2192 | #endif |
0f2d19dd JB |
2193 | case scm_tc7_fvect: |
2194 | { | |
2195 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2196 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
d9a67fc4 | 2197 | res = scm_cons (scm_from_double (data[k]), res); |
0f2d19dd JB |
2198 | return res; |
2199 | } | |
0f2d19dd JB |
2200 | case scm_tc7_dvect: |
2201 | { | |
2202 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2203 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
d9a67fc4 | 2204 | res = scm_cons (scm_from_double (data[k]), res); |
0f2d19dd JB |
2205 | return res; |
2206 | } | |
2207 | case scm_tc7_cvect: | |
2208 | { | |
2209 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2210 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
7a72bb41 MV |
2211 | res = scm_cons (scm_c_make_rectangular (data[k][0], data[k][1]), |
2212 | res); | |
0f2d19dd JB |
2213 | return res; |
2214 | } | |
0f2d19dd JB |
2215 | } |
2216 | } | |
1bbd0b84 | 2217 | #undef FUNC_NAME |
0f2d19dd JB |
2218 | |
2219 | ||
c014a02e | 2220 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 2221 | |
3b3b36dd | 2222 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2223 | (SCM ndim, SCM prot, SCM lst), |
8f85c0c6 | 2224 | "@deffnx {Scheme Procedure} list->uniform-vector prot lst\n" |
1e6808ea MG |
2225 | "Return a uniform array of the type indicated by prototype\n" |
2226 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2227 | "Elements must be of the appropriate type, no coercions are\n" | |
2228 | "done.") | |
1bbd0b84 | 2229 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2230 | { |
2231 | SCM shp = SCM_EOL; | |
2232 | SCM row = lst; | |
2233 | SCM ra; | |
c014a02e | 2234 | unsigned long k; |
0f2d19dd | 2235 | long n; |
a55c2b68 | 2236 | k = scm_to_ulong (ndim); |
0f2d19dd JB |
2237 | while (k--) |
2238 | { | |
2239 | n = scm_ilength (row); | |
1bbd0b84 | 2240 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
e11e83f3 | 2241 | shp = scm_cons (scm_from_long (n), shp); |
0f2d19dd JB |
2242 | if (SCM_NIMP (row)) |
2243 | row = SCM_CAR (row); | |
2244 | } | |
d12feca3 GH |
2245 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2246 | SCM_UNDEFINED); | |
d2e53ed6 | 2247 | if (scm_is_null (shp)) |
0f2d19dd JB |
2248 | { |
2249 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2250 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2251 | return ra; | |
2252 | } | |
2253 | if (!SCM_ARRAYP (ra)) | |
2254 | { | |
e11e83f3 | 2255 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (ra)); |
74014c46 | 2256 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
e11e83f3 | 2257 | scm_array_set_x (ra, SCM_CAR (lst), scm_from_ulong (k)); |
0f2d19dd JB |
2258 | return ra; |
2259 | } | |
2260 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2261 | return ra; | |
2262 | else | |
1afff620 KN |
2263 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", |
2264 | scm_list_1 (lst)); | |
0f2d19dd | 2265 | } |
1bbd0b84 | 2266 | #undef FUNC_NAME |
0f2d19dd | 2267 | |
0f2d19dd | 2268 | static int |
c014a02e | 2269 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2270 | { |
c014a02e ML |
2271 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2272 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2273 | int ok = 1; |
2274 | if (n <= 0) | |
d2e53ed6 | 2275 | return (scm_is_null (lst)); |
0f2d19dd JB |
2276 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2277 | { | |
2278 | while (n--) | |
2279 | { | |
d2e53ed6 | 2280 | if (!scm_is_pair (lst)) |
0f2d19dd JB |
2281 | return 0; |
2282 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2283 | base += inc; | |
2284 | lst = SCM_CDR (lst); | |
2285 | } | |
d2e53ed6 | 2286 | if (!scm_is_null (lst)) |
0f2d19dd JB |
2287 | return 0; |
2288 | } | |
2289 | else | |
2290 | { | |
2291 | while (n--) | |
2292 | { | |
d2e53ed6 | 2293 | if (!scm_is_pair (lst)) |
0f2d19dd | 2294 | return 0; |
e11e83f3 | 2295 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), scm_from_ulong (base)); |
0f2d19dd JB |
2296 | base += inc; |
2297 | lst = SCM_CDR (lst); | |
2298 | } | |
d2e53ed6 | 2299 | if (!scm_is_null (lst)) |
fee7ef83 | 2300 | return 0; |
0f2d19dd JB |
2301 | } |
2302 | return ok; | |
2303 | } | |
2304 | ||
1cc91f1b | 2305 | |
0f2d19dd | 2306 | static void |
34d19ef6 | 2307 | rapr1 (SCM ra, unsigned long j, unsigned long k, SCM port, scm_print_state *pstate) |
0f2d19dd | 2308 | { |
c014a02e ML |
2309 | long inc = 1; |
2310 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 | 2311 | ? 0 |
e11e83f3 | 2312 | : scm_to_long (scm_uniform_vector_length (ra))); |
0f2d19dd JB |
2313 | int enclosed = 0; |
2314 | tail: | |
5c11cc9d | 2315 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2316 | { |
2317 | case scm_tc7_smob: | |
2318 | if (enclosed++) | |
2319 | { | |
2320 | SCM_ARRAY_BASE (ra) = j; | |
2321 | if (n-- > 0) | |
9882ea19 | 2322 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2323 | for (j += inc; n-- > 0; j += inc) |
2324 | { | |
b7f3516f | 2325 | scm_putc (' ', port); |
0f2d19dd | 2326 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2327 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2328 | } |
2329 | break; | |
2330 | } | |
2331 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2332 | { | |
c014a02e | 2333 | long i; |
0f2d19dd JB |
2334 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2335 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2336 | { | |
b7f3516f | 2337 | scm_putc ('(', port); |
9882ea19 | 2338 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2339 | scm_puts (") ", port); |
0f2d19dd JB |
2340 | j += inc; |
2341 | } | |
2342 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2343 | { /* could be zero size. */ | |
b7f3516f | 2344 | scm_putc ('(', port); |
9882ea19 | 2345 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2346 | scm_putc (')', port); |
0f2d19dd JB |
2347 | } |
2348 | break; | |
2349 | } | |
1be6b49c | 2350 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2351 | { /* Could be zero-dimensional */ |
2352 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2353 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2354 | } | |
2355 | else | |
2356 | n = 1; | |
2357 | ra = SCM_ARRAY_V (ra); | |
2358 | goto tail; | |
2359 | default: | |
5c11cc9d | 2360 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2361 | if (n-- > 0) |
e11e83f3 | 2362 | scm_iprin1 (scm_uniform_vector_ref (ra, scm_from_ulong (j)), port, pstate); |
0f2d19dd JB |
2363 | for (j += inc; n-- > 0; j += inc) |
2364 | { | |
b7f3516f | 2365 | scm_putc (' ', port); |
9882ea19 | 2366 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2367 | } |
2368 | break; | |
2369 | case scm_tc7_string: | |
cc95e00a MV |
2370 | { |
2371 | const char *src; | |
2372 | src = scm_i_string_chars (ra); | |
2373 | if (n-- > 0) | |
2374 | scm_iprin1 (SCM_MAKE_CHAR (src[j]), port, pstate); | |
2375 | if (SCM_WRITINGP (pstate)) | |
2376 | for (j += inc; n-- > 0; j += inc) | |
2377 | { | |
2378 | scm_putc (' ', port); | |
2379 | scm_iprin1 (SCM_MAKE_CHAR (src[j]), port, pstate); | |
2380 | } | |
2381 | else | |
2382 | for (j += inc; n-- > 0; j += inc) | |
2383 | scm_putc (src[j], port); | |
2384 | scm_remember_upto_here_1 (ra); | |
2385 | } | |
0f2d19dd JB |
2386 | break; |
2387 | case scm_tc7_byvect: | |
2388 | if (n-- > 0) | |
4260a7fc | 2389 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2390 | for (j += inc; n-- > 0; j += inc) |
2391 | { | |
b7f3516f | 2392 | scm_putc (' ', port); |
4260a7fc | 2393 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2394 | } |
2395 | break; | |
2396 | ||
2397 | case scm_tc7_uvect: | |
5c11cc9d GH |
2398 | { |
2399 | char str[11]; | |
2400 | ||
2401 | if (n-- > 0) | |
2402 | { | |
2403 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2404 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2405 | scm_puts (str, port); |
2406 | } | |
2407 | for (j += inc; n-- > 0; j += inc) | |
2408 | { | |
2409 | scm_putc (' ', port); | |
fee7ef83 | 2410 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2411 | scm_puts (str, port); |
2412 | } | |
2413 | } | |
0f2d19dd JB |
2414 | case scm_tc7_ivect: |
2415 | if (n-- > 0) | |
fee7ef83 | 2416 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2417 | for (j += inc; n-- > 0; j += inc) |
2418 | { | |
b7f3516f | 2419 | scm_putc (' ', port); |
fee7ef83 | 2420 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2421 | } |
2422 | break; | |
2423 | ||
2424 | case scm_tc7_svect: | |
2425 | if (n-- > 0) | |
4260a7fc | 2426 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2427 | for (j += inc; n-- > 0; j += inc) |
2428 | { | |
b7f3516f | 2429 | scm_putc (' ', port); |
4260a7fc | 2430 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2431 | } |
2432 | break; | |
2433 | ||
0f2d19dd JB |
2434 | case scm_tc7_fvect: |
2435 | if (n-- > 0) | |
2436 | { | |
d9a67fc4 | 2437 | SCM z = scm_from_double (1.0); |
bc86da5d MD |
2438 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2439 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2440 | for (j += inc; n-- > 0; j += inc) |
2441 | { | |
b7f3516f | 2442 | scm_putc (' ', port); |
bc86da5d MD |
2443 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2444 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2445 | } |
2446 | } | |
2447 | break; | |
0f2d19dd JB |
2448 | case scm_tc7_dvect: |
2449 | if (n-- > 0) | |
2450 | { | |
d9a67fc4 | 2451 | SCM z = scm_from_double (1.0 / 3.0); |
bc86da5d MD |
2452 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2453 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2454 | for (j += inc; n-- > 0; j += inc) |
2455 | { | |
b7f3516f | 2456 | scm_putc (' ', port); |
bc86da5d MD |
2457 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2458 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2459 | } |
2460 | } | |
2461 | break; | |
2462 | case scm_tc7_cvect: | |
2463 | if (n-- > 0) | |
2464 | { | |
7a72bb41 MV |
2465 | SCM cz = scm_c_make_rectangular (0.0, 1.0); |
2466 | SCM z = scm_from_double (1.0/3.0); | |
bc86da5d MD |
2467 | SCM_REAL_VALUE (z) = |
2468 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2469 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2470 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2471 | port, pstate); | |
0f2d19dd JB |
2472 | for (j += inc; n-- > 0; j += inc) |
2473 | { | |
b7f3516f | 2474 | scm_putc (' ', port); |
bc86da5d MD |
2475 | SCM_REAL_VALUE (z) |
2476 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2477 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2478 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2479 | port, pstate); | |
0f2d19dd JB |
2480 | } |
2481 | } | |
2482 | break; | |
0f2d19dd JB |
2483 | } |
2484 | } | |
2485 | ||
2486 | ||
1cc91f1b | 2487 | |
0f2d19dd | 2488 | int |
1bbd0b84 | 2489 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2490 | { |
2491 | SCM v = exp; | |
c014a02e | 2492 | unsigned long base = 0; |
b7f3516f | 2493 | scm_putc ('#', port); |
0f2d19dd | 2494 | tail: |
5c11cc9d | 2495 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2496 | { |
2497 | case scm_tc7_smob: | |
2498 | { | |
2499 | long ndim = SCM_ARRAY_NDIM (v); | |
2500 | base = SCM_ARRAY_BASE (v); | |
2501 | v = SCM_ARRAY_V (v); | |
2502 | if (SCM_ARRAYP (v)) | |
2503 | ||
2504 | { | |
b7f3516f | 2505 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2506 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2507 | scm_putc ('>', port); |
0f2d19dd JB |
2508 | return 1; |
2509 | } | |
2510 | else | |
2511 | { | |
2512 | scm_intprint (ndim, 10, port); | |
2513 | goto tail; | |
2514 | } | |
2515 | } | |
2516 | case scm_tc7_bvect: | |
bc36d050 | 2517 | if (scm_is_eq (exp, v)) |
0f2d19dd | 2518 | { /* a uve, not an scm_array */ |
c014a02e | 2519 | register long i, j, w; |
b7f3516f | 2520 | scm_putc ('*', port); |
c014a02e | 2521 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2522 | { |
92c2555f | 2523 | scm_t_bits w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
c014a02e | 2524 | for (j = SCM_LONG_BIT; j; j--) |
0f2d19dd | 2525 | { |
b7f3516f | 2526 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2527 | w >>= 1; |
2528 | } | |
2529 | } | |
c014a02e | 2530 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2531 | if (j) |
2532 | { | |
c014a02e | 2533 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2534 | for (; j; j--) |
2535 | { | |
b7f3516f | 2536 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2537 | w >>= 1; |
2538 | } | |
2539 | } | |
2540 | return 1; | |
2541 | } | |
2542 | else | |
b7f3516f | 2543 | scm_putc ('b', port); |
0f2d19dd JB |
2544 | break; |
2545 | case scm_tc7_string: | |
b7f3516f | 2546 | scm_putc ('a', port); |
0f2d19dd JB |
2547 | break; |
2548 | case scm_tc7_byvect: | |
05c33d09 | 2549 | scm_putc ('y', port); |
0f2d19dd JB |
2550 | break; |
2551 | case scm_tc7_uvect: | |
b7f3516f | 2552 | scm_putc ('u', port); |
0f2d19dd JB |
2553 | break; |
2554 | case scm_tc7_ivect: | |
b7f3516f | 2555 | scm_putc ('e', port); |
0f2d19dd JB |
2556 | break; |
2557 | case scm_tc7_svect: | |
05c33d09 | 2558 | scm_putc ('h', port); |
0f2d19dd | 2559 | break; |
2a5cd898 | 2560 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2561 | case scm_tc7_llvect: |
5c11cc9d | 2562 | scm_putc ('l', port); |
0f2d19dd JB |
2563 | break; |
2564 | #endif | |
0f2d19dd | 2565 | case scm_tc7_fvect: |
b7f3516f | 2566 | scm_putc ('s', port); |
0f2d19dd | 2567 | break; |
0f2d19dd | 2568 | case scm_tc7_dvect: |
b7f3516f | 2569 | scm_putc ('i', port); |
0f2d19dd JB |
2570 | break; |
2571 | case scm_tc7_cvect: | |
b7f3516f | 2572 | scm_putc ('c', port); |
0f2d19dd | 2573 | break; |
0f2d19dd | 2574 | } |
b7f3516f | 2575 | scm_putc ('(', port); |
9882ea19 | 2576 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2577 | scm_putc (')', port); |
0f2d19dd JB |
2578 | return 1; |
2579 | } | |
2580 | ||
3b3b36dd | 2581 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2582 | (SCM ra), |
1e6808ea MG |
2583 | "Return an object that would produce an array of the same type\n" |
2584 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2585 | "@code{make-uniform-array}.") |
1bbd0b84 | 2586 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2587 | { |
2588 | int enclosed = 0; | |
2589 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2590 | loop: | |
74014c46 | 2591 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2592 | { |
2593 | default: | |
276dd677 | 2594 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2595 | case scm_tc7_smob: |
2596 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2597 | if (enclosed++) | |
2598 | return SCM_UNSPECIFIED; | |
2599 | ra = SCM_ARRAY_V (ra); | |
2600 | goto loop; | |
2601 | case scm_tc7_vector: | |
95f5b0f5 | 2602 | case scm_tc7_wvect: |
0f2d19dd JB |
2603 | return SCM_EOL; |
2604 | case scm_tc7_bvect: | |
2605 | return SCM_BOOL_T; | |
2606 | case scm_tc7_string: | |
7866a09b | 2607 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2608 | case scm_tc7_byvect: |
7866a09b | 2609 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd | 2610 | case scm_tc7_uvect: |
e11e83f3 | 2611 | return scm_from_int (1); |
0f2d19dd | 2612 | case scm_tc7_ivect: |
e11e83f3 | 2613 | return scm_from_int (-1); |
0f2d19dd | 2614 | case scm_tc7_svect: |
cc95e00a | 2615 | return scm_from_locale_symbol ("s"); |
2a5cd898 | 2616 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2617 | case scm_tc7_llvect: |
cc95e00a | 2618 | return scm_from_locale_symbol ("l"); |
0f2d19dd | 2619 | #endif |
0f2d19dd | 2620 | case scm_tc7_fvect: |
d9a67fc4 | 2621 | return scm_from_double (1.0); |
0f2d19dd | 2622 | case scm_tc7_dvect: |
7c183c95 | 2623 | return exactly_one_third; |
0f2d19dd | 2624 | case scm_tc7_cvect: |
7a72bb41 | 2625 | return scm_c_make_rectangular (0.0, 1.0); |
0f2d19dd JB |
2626 | } |
2627 | } | |
1bbd0b84 | 2628 | #undef FUNC_NAME |
0f2d19dd | 2629 | |
1cc91f1b | 2630 | |
0f2d19dd | 2631 | static SCM |
e841c3e0 | 2632 | array_mark (SCM ptr) |
0f2d19dd | 2633 | { |
0f2d19dd JB |
2634 | return SCM_ARRAY_V (ptr); |
2635 | } | |
2636 | ||
1cc91f1b | 2637 | |
1be6b49c | 2638 | static size_t |
e841c3e0 | 2639 | array_free (SCM ptr) |
0f2d19dd | 2640 | { |
4c9419ac MV |
2641 | scm_gc_free (SCM_ARRAY_MEM (ptr), |
2642 | (sizeof (scm_t_array) | |
2643 | + SCM_ARRAY_NDIM (ptr) * sizeof (scm_t_array_dim)), | |
2644 | "array"); | |
2645 | return 0; | |
0f2d19dd JB |
2646 | } |
2647 | ||
0f2d19dd JB |
2648 | void |
2649 | scm_init_unif () | |
0f2d19dd | 2650 | { |
e841c3e0 KN |
2651 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2652 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2653 | scm_set_smob_free (scm_tc16_array, array_free); | |
2654 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2655 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
cba42c93 MV |
2656 | exactly_one_third = scm_permanent_object (scm_divide (scm_from_int (1), |
2657 | scm_from_int (3))); | |
0f2d19dd | 2658 | scm_add_feature ("array"); |
a0599745 | 2659 | #include "libguile/unif.x" |
0f2d19dd | 2660 | } |
89e00824 ML |
2661 | |
2662 | /* | |
2663 | Local Variables: | |
2664 | c-file-style: "gnu" | |
2665 | End: | |
2666 | */ |