Commit | Line | Data |
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18e2aba3 | 1 | /* Copyright (C) 1995,1996,1997,1998,2000,2001,2002,2003,2004 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | */ | |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
c209c88e GB |
19 | /* |
20 | This file has code for arrays in lots of variants (double, integer, | |
21 | unsigned etc. ). It suffers from hugely repetitive code because | |
22 | there is similar (but different) code for every variant included. (urg.) | |
23 | ||
24 | --hwn | |
25 | */ | |
0f2d19dd JB |
26 | \f |
27 | ||
2a5cd898 RB |
28 | #if HAVE_CONFIG_H |
29 | # include <config.h> | |
30 | #endif | |
31 | ||
0f2d19dd | 32 | #include <stdio.h> |
e6e2e95a | 33 | #include <errno.h> |
783e7774 | 34 | #include <string.h> |
e6e2e95a | 35 | |
a0599745 MD |
36 | #include "libguile/_scm.h" |
37 | #include "libguile/chars.h" | |
38 | #include "libguile/eval.h" | |
39 | #include "libguile/fports.h" | |
40 | #include "libguile/smob.h" | |
41 | #include "libguile/strop.h" | |
42 | #include "libguile/feature.h" | |
43 | #include "libguile/root.h" | |
44 | #include "libguile/strings.h" | |
45 | #include "libguile/vectors.h" | |
46 | ||
47 | #include "libguile/validate.h" | |
48 | #include "libguile/unif.h" | |
49 | #include "libguile/ramap.h" | |
0f2d19dd | 50 | |
3d8d56df GH |
51 | #ifdef HAVE_UNISTD_H |
52 | #include <unistd.h> | |
53 | #endif | |
54 | ||
7beabedb MG |
55 | #ifdef HAVE_IO_H |
56 | #include <io.h> | |
57 | #endif | |
58 | ||
0f2d19dd JB |
59 | \f |
60 | /* The set of uniform scm_vector types is: | |
61 | * Vector of: Called: | |
62 | * unsigned char string | |
63 | * char byvect | |
64 | * boolean bvect | |
a515d287 MD |
65 | * signed long ivect |
66 | * unsigned long uvect | |
0f2d19dd JB |
67 | * float fvect |
68 | * double dvect | |
69 | * complex double cvect | |
70 | * short svect | |
5c11cc9d | 71 | * long long llvect |
0f2d19dd JB |
72 | */ |
73 | ||
92c2555f | 74 | scm_t_bits scm_tc16_array; |
7c183c95 | 75 | static SCM exactly_one_third; |
0f2d19dd | 76 | |
afe5177e GH |
77 | /* return the size of an element in a uniform array or 0 if type not |
78 | found. */ | |
1be6b49c | 79 | size_t |
afe5177e | 80 | scm_uniform_element_size (SCM obj) |
0f2d19dd | 81 | { |
1be6b49c | 82 | size_t result; |
0f2d19dd | 83 | |
afe5177e | 84 | switch (SCM_TYP7 (obj)) |
0f2d19dd | 85 | { |
0f2d19dd | 86 | case scm_tc7_bvect: |
0f2d19dd JB |
87 | case scm_tc7_uvect: |
88 | case scm_tc7_ivect: | |
afe5177e | 89 | result = sizeof (long); |
0f2d19dd | 90 | break; |
afe5177e | 91 | |
0f2d19dd | 92 | case scm_tc7_byvect: |
afe5177e | 93 | result = sizeof (char); |
0f2d19dd JB |
94 | break; |
95 | ||
96 | case scm_tc7_svect: | |
afe5177e | 97 | result = sizeof (short); |
0f2d19dd | 98 | break; |
afe5177e | 99 | |
2a5cd898 | 100 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 101 | case scm_tc7_llvect: |
1be6b49c | 102 | result = sizeof (long long); |
0f2d19dd JB |
103 | break; |
104 | #endif | |
105 | ||
0f2d19dd | 106 | case scm_tc7_fvect: |
afe5177e | 107 | result = sizeof (float); |
0f2d19dd | 108 | break; |
afe5177e | 109 | |
0f2d19dd | 110 | case scm_tc7_dvect: |
afe5177e | 111 | result = sizeof (double); |
0f2d19dd | 112 | break; |
afe5177e | 113 | |
0f2d19dd | 114 | case scm_tc7_cvect: |
afe5177e | 115 | result = 2 * sizeof (double); |
0f2d19dd | 116 | break; |
afe5177e GH |
117 | |
118 | default: | |
119 | result = 0; | |
0f2d19dd | 120 | } |
afe5177e | 121 | return result; |
0f2d19dd JB |
122 | } |
123 | ||
bc86da5d MD |
124 | /* Silly function used not to modify the semantics of the silly |
125 | * prototype system in order to be backward compatible. | |
126 | */ | |
127 | static int | |
128 | singp (SCM obj) | |
0f2d19dd | 129 | { |
a08b0d00 | 130 | if (!SCM_REALP (obj)) |
bc86da5d MD |
131 | return 0; |
132 | else | |
133 | { | |
134 | double x = SCM_REAL_VALUE (obj); | |
135 | float fx = x; | |
136 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
137 | } | |
0f2d19dd | 138 | } |
1cc91f1b | 139 | |
711a9fd7 MD |
140 | static SCM |
141 | make_uve (long type, long k, size_t size) | |
142 | #define FUNC_NAME "scm_make_uve" | |
143 | { | |
144 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_UVECTOR_MAX_LENGTH); | |
145 | ||
146 | return scm_cell (SCM_MAKE_UVECTOR_TAG (k, type), | |
147 | (scm_t_bits) scm_gc_malloc (k * size, "vector")); | |
148 | } | |
149 | #undef FUNC_NAME | |
150 | ||
0f2d19dd | 151 | SCM |
c014a02e | 152 | scm_make_uve (long k, SCM prot) |
a3a32939 | 153 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd | 154 | { |
9a09deb1 | 155 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd | 156 | { |
93778877 DH |
157 | if (k > 0) |
158 | { | |
711a9fd7 | 159 | long i; |
16d4699b MV |
160 | SCM_ASSERT_RANGE (1, |
161 | scm_long2num (k), k <= SCM_BITVECTOR_MAX_LENGTH); | |
c014a02e | 162 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); |
711a9fd7 MD |
163 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (k), |
164 | (scm_t_bits) scm_gc_malloc (i, "vector")); | |
93778877 DH |
165 | } |
166 | else | |
711a9fd7 | 167 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (0), 0); |
0f2d19dd | 168 | } |
4260a7fc | 169 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
711a9fd7 | 170 | return make_uve (scm_tc7_byvect, k, sizeof (char)); |
7866a09b | 171 | else if (SCM_CHARP (prot)) |
711a9fd7 | 172 | return scm_allocate_string (sizeof (char) * k); |
0f2d19dd | 173 | else if (SCM_INUMP (prot)) |
711a9fd7 MD |
174 | return make_uve (SCM_INUM (prot) > 0 ? scm_tc7_uvect : scm_tc7_ivect, |
175 | k, | |
176 | sizeof (long)); | |
7c183c95 KR |
177 | else if (SCM_FRACTIONP (prot)) |
178 | { | |
179 | if (scm_num_eq_p (exactly_one_third, prot)) | |
180 | goto dvect; | |
181 | } | |
74014c46 | 182 | else if (SCM_SYMBOLP (prot) && (1 == SCM_SYMBOL_LENGTH (prot))) |
0f2d19dd JB |
183 | { |
184 | char s; | |
185 | ||
86c991c2 | 186 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd | 187 | if (s == 's') |
711a9fd7 | 188 | return make_uve (scm_tc7_svect, k, sizeof (short)); |
2a5cd898 | 189 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 190 | else if (s == 'l') |
711a9fd7 | 191 | return make_uve (scm_tc7_llvect, k, sizeof (long long)); |
0f2d19dd JB |
192 | #endif |
193 | else | |
711a9fd7 | 194 | return scm_c_make_vector (k, SCM_UNDEFINED); |
0f2d19dd | 195 | } |
5b9eb8ae | 196 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 197 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d | 198 | /* no special scm_vector */ |
00ffa0e7 | 199 | return scm_c_make_vector (k, SCM_UNDEFINED); |
bc86da5d | 200 | else if (singp (prot)) |
711a9fd7 | 201 | return make_uve (scm_tc7_fvect, k, sizeof (float)); |
eb42e2f0 | 202 | else if (SCM_COMPLEXP (prot)) |
711a9fd7 MD |
203 | return make_uve (scm_tc7_cvect, k, 2 * sizeof (double)); |
204 | dvect: | |
205 | return make_uve (scm_tc7_dvect, k, sizeof (double)); | |
0f2d19dd | 206 | } |
a3a32939 DH |
207 | #undef FUNC_NAME |
208 | ||
3b3b36dd | 209 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1e6808ea MG |
210 | (SCM v), |
211 | "Return the number of elements in @var{uve}.") | |
1bbd0b84 | 212 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
213 | { |
214 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 215 | switch SCM_TYP7 (v) |
0f2d19dd JB |
216 | { |
217 | default: | |
276dd677 | 218 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
74014c46 DH |
219 | case scm_tc7_vector: |
220 | case scm_tc7_wvect: | |
221 | return SCM_MAKINUM (SCM_VECTOR_LENGTH (v)); | |
0f2d19dd | 222 | case scm_tc7_string: |
74014c46 DH |
223 | return SCM_MAKINUM (SCM_STRING_LENGTH (v)); |
224 | case scm_tc7_bvect: | |
225 | return SCM_MAKINUM (SCM_BITVECTOR_LENGTH (v)); | |
0f2d19dd JB |
226 | case scm_tc7_byvect: |
227 | case scm_tc7_uvect: | |
228 | case scm_tc7_ivect: | |
229 | case scm_tc7_fvect: | |
230 | case scm_tc7_dvect: | |
231 | case scm_tc7_cvect: | |
0f2d19dd | 232 | case scm_tc7_svect: |
2a5cd898 | 233 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
234 | case scm_tc7_llvect: |
235 | #endif | |
74014c46 | 236 | return SCM_MAKINUM (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
237 | } |
238 | } | |
1bbd0b84 | 239 | #undef FUNC_NAME |
0f2d19dd | 240 | |
3b3b36dd | 241 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 242 | (SCM v, SCM prot), |
1e6808ea MG |
243 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
244 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
245 | "and is described elsewhere.") | |
1bbd0b84 | 246 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
247 | { |
248 | int nprot; | |
249 | int enclosed; | |
250 | nprot = SCM_UNBNDP (prot); | |
251 | enclosed = 0; | |
252 | if (SCM_IMP (v)) | |
253 | return SCM_BOOL_F; | |
c209c88e GB |
254 | |
255 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 256 | { |
0f2d19dd JB |
257 | if (!SCM_ARRAYP (v)) |
258 | return SCM_BOOL_F; | |
259 | if (nprot) | |
260 | return SCM_BOOL_T; | |
261 | if (enclosed++) | |
262 | return SCM_BOOL_F; | |
263 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
264 | } |
265 | if (nprot) | |
266 | return SCM_BOOL(nprot); | |
267 | else | |
268 | { | |
269 | int protp = 0; | |
270 | ||
271 | switch (SCM_TYP7 (v)) | |
272 | { | |
273 | case scm_tc7_bvect: | |
9a09deb1 | 274 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
7c183c95 | 275 | break; |
c209c88e | 276 | case scm_tc7_string: |
4260a7fc | 277 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
7c183c95 | 278 | break; |
c209c88e | 279 | case scm_tc7_byvect: |
4260a7fc | 280 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
7c183c95 | 281 | break; |
c209c88e GB |
282 | case scm_tc7_uvect: |
283 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
7c183c95 | 284 | break; |
c209c88e GB |
285 | case scm_tc7_ivect: |
286 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
7c183c95 | 287 | break; |
c209c88e GB |
288 | case scm_tc7_svect: |
289 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 290 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 291 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
7c183c95 | 292 | break; |
2a5cd898 | 293 | #if SCM_SIZEOF_LONG_LONG != 0 |
c209c88e GB |
294 | case scm_tc7_llvect: |
295 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 296 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
7c183c95 KR |
297 | && ('l' == SCM_SYMBOL_CHARS (prot)[0]); |
298 | break; | |
0f2d19dd | 299 | #endif |
c209c88e | 300 | case scm_tc7_fvect: |
bc86da5d | 301 | protp = singp (prot); |
7c183c95 | 302 | break; |
c209c88e | 303 | case scm_tc7_dvect: |
7c183c95 KR |
304 | protp = ((SCM_REALP(prot) && ! singp (prot)) |
305 | || (SCM_FRACTIONP (prot) | |
306 | && scm_num_eq_p (exactly_one_third, prot))); | |
307 | break; | |
c209c88e | 308 | case scm_tc7_cvect: |
eb42e2f0 | 309 | protp = SCM_COMPLEXP(prot); |
7c183c95 | 310 | break; |
c209c88e GB |
311 | case scm_tc7_vector: |
312 | case scm_tc7_wvect: | |
313 | protp = SCM_NULLP(prot); | |
7c183c95 | 314 | break; |
c209c88e GB |
315 | default: |
316 | /* no default */ | |
317 | ; | |
318 | } | |
319 | return SCM_BOOL(protp); | |
0f2d19dd | 320 | } |
0f2d19dd | 321 | } |
1bbd0b84 | 322 | #undef FUNC_NAME |
0f2d19dd JB |
323 | |
324 | ||
3b3b36dd | 325 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 326 | (SCM ra), |
1e6808ea MG |
327 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
328 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 329 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
330 | { |
331 | if (SCM_IMP (ra)) | |
1bbd0b84 | 332 | return SCM_INUM0; |
0f2d19dd JB |
333 | switch (SCM_TYP7 (ra)) |
334 | { | |
335 | default: | |
336 | return SCM_INUM0; | |
337 | case scm_tc7_string: | |
338 | case scm_tc7_vector: | |
95f5b0f5 | 339 | case scm_tc7_wvect: |
0f2d19dd JB |
340 | case scm_tc7_byvect: |
341 | case scm_tc7_uvect: | |
342 | case scm_tc7_ivect: | |
343 | case scm_tc7_fvect: | |
344 | case scm_tc7_cvect: | |
345 | case scm_tc7_dvect: | |
2a5cd898 | 346 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
347 | case scm_tc7_llvect: |
348 | #endif | |
349 | case scm_tc7_svect: | |
350 | return SCM_MAKINUM (1L); | |
351 | case scm_tc7_smob: | |
352 | if (SCM_ARRAYP (ra)) | |
353 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
354 | return SCM_INUM0; | |
355 | } | |
356 | } | |
1bbd0b84 | 357 | #undef FUNC_NAME |
0f2d19dd JB |
358 | |
359 | ||
3b3b36dd | 360 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 361 | (SCM ra), |
b380b885 MD |
362 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
363 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 364 | "@lisp\n" |
b380b885 | 365 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 366 | "@end lisp") |
1bbd0b84 | 367 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
368 | { |
369 | SCM res = SCM_EOL; | |
1be6b49c | 370 | size_t k; |
92c2555f | 371 | scm_t_array_dim *s; |
0f2d19dd | 372 | if (SCM_IMP (ra)) |
1bbd0b84 | 373 | return SCM_BOOL_F; |
0f2d19dd JB |
374 | switch (SCM_TYP7 (ra)) |
375 | { | |
376 | default: | |
377 | return SCM_BOOL_F; | |
378 | case scm_tc7_string: | |
379 | case scm_tc7_vector: | |
95f5b0f5 | 380 | case scm_tc7_wvect: |
0f2d19dd JB |
381 | case scm_tc7_bvect: |
382 | case scm_tc7_byvect: | |
383 | case scm_tc7_uvect: | |
384 | case scm_tc7_ivect: | |
385 | case scm_tc7_fvect: | |
386 | case scm_tc7_cvect: | |
387 | case scm_tc7_dvect: | |
388 | case scm_tc7_svect: | |
2a5cd898 | 389 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
390 | case scm_tc7_llvect: |
391 | #endif | |
74014c46 | 392 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
393 | case scm_tc7_smob: |
394 | if (!SCM_ARRAYP (ra)) | |
395 | return SCM_BOOL_F; | |
396 | k = SCM_ARRAY_NDIM (ra); | |
397 | s = SCM_ARRAY_DIMS (ra); | |
398 | while (k--) | |
e2d37336 MD |
399 | res = scm_cons (s[k].lbnd |
400 | ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), | |
401 | SCM_MAKINUM (s[k].ubnd), | |
402 | SCM_EOL) | |
403 | : SCM_MAKINUM (1 + s[k].ubnd), | |
404 | res); | |
0f2d19dd JB |
405 | return res; |
406 | } | |
407 | } | |
1bbd0b84 | 408 | #undef FUNC_NAME |
0f2d19dd JB |
409 | |
410 | ||
e2d37336 MD |
411 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
412 | (SCM ra), | |
413 | "Return the root vector of a shared array.") | |
414 | #define FUNC_NAME s_scm_shared_array_root | |
415 | { | |
416 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
417 | return SCM_ARRAY_V (ra); | |
418 | } | |
419 | #undef FUNC_NAME | |
420 | ||
421 | ||
422 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
423 | (SCM ra), | |
424 | "Return the root vector index of the first element in the array.") | |
425 | #define FUNC_NAME s_scm_shared_array_offset | |
426 | { | |
427 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
428 | return SCM_MAKINUM (SCM_ARRAY_BASE (ra)); | |
429 | } | |
430 | #undef FUNC_NAME | |
431 | ||
432 | ||
433 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
434 | (SCM ra), | |
435 | "For each dimension, return the distance between elements in the root vector.") | |
436 | #define FUNC_NAME s_scm_shared_array_increments | |
437 | { | |
438 | SCM res = SCM_EOL; | |
1be6b49c | 439 | size_t k; |
92c2555f | 440 | scm_t_array_dim *s; |
e2d37336 MD |
441 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
442 | k = SCM_ARRAY_NDIM (ra); | |
443 | s = SCM_ARRAY_DIMS (ra); | |
444 | while (k--) | |
445 | res = scm_cons (SCM_MAKINUM (s[k].inc), res); | |
446 | return res; | |
447 | } | |
448 | #undef FUNC_NAME | |
449 | ||
450 | ||
0f2d19dd JB |
451 | static char s_bad_ind[] = "Bad scm_array index"; |
452 | ||
1cc91f1b | 453 | |
c014a02e | 454 | long |
1bbd0b84 | 455 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 456 | #define FUNC_NAME what |
0f2d19dd JB |
457 | { |
458 | SCM ind; | |
c014a02e ML |
459 | register long j; |
460 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
461 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
92c2555f | 462 | scm_t_array_dim *s = SCM_ARRAY_DIMS (ra); |
0f2d19dd | 463 | if (SCM_INUMP (args)) |
0f2d19dd | 464 | { |
b3fcac34 DH |
465 | if (k != 1) |
466 | scm_error_num_args_subr (what); | |
0f2d19dd JB |
467 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
468 | } | |
13824149 | 469 | while (k && SCM_CONSP (args)) |
0f2d19dd JB |
470 | { |
471 | ind = SCM_CAR (args); | |
472 | args = SCM_CDR (args); | |
b3fcac34 DH |
473 | if (!SCM_INUMP (ind)) |
474 | scm_misc_error (what, s_bad_ind, SCM_EOL); | |
0f2d19dd | 475 | j = SCM_INUM (ind); |
685c0d71 DH |
476 | if (j < s->lbnd || j > s->ubnd) |
477 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
478 | pos += (j - s->lbnd) * (s->inc); |
479 | k--; | |
480 | s++; | |
481 | } | |
b3fcac34 DH |
482 | if (k != 0 || !SCM_NULLP (args)) |
483 | scm_error_num_args_subr (what); | |
484 | ||
0f2d19dd JB |
485 | return pos; |
486 | } | |
b3fcac34 | 487 | #undef FUNC_NAME |
0f2d19dd | 488 | |
1cc91f1b | 489 | |
0f2d19dd | 490 | SCM |
1bbd0b84 | 491 | scm_make_ra (int ndim) |
0f2d19dd JB |
492 | { |
493 | SCM ra; | |
0f2d19dd | 494 | SCM_DEFER_INTS; |
92c2555f | 495 | SCM_NEWSMOB(ra, ((scm_t_bits) ndim << 17) + scm_tc16_array, |
4c9419ac MV |
496 | scm_gc_malloc ((sizeof (scm_t_array) + |
497 | ndim * sizeof (scm_t_array_dim)), | |
498 | "array")); | |
0f2d19dd JB |
499 | SCM_ARRAY_V (ra) = scm_nullvect; |
500 | SCM_ALLOW_INTS; | |
501 | return ra; | |
502 | } | |
503 | ||
504 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
505 | /* Increments will still need to be set. */ | |
506 | ||
1cc91f1b | 507 | |
0f2d19dd | 508 | SCM |
1bbd0b84 | 509 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 510 | { |
92c2555f | 511 | scm_t_array_dim *s; |
0f2d19dd JB |
512 | SCM ra, spec, sp; |
513 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
514 | if (ndim < 0) |
515 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
516 | ||
0f2d19dd JB |
517 | ra = scm_make_ra (ndim); |
518 | SCM_ARRAY_BASE (ra) = 0; | |
519 | s = SCM_ARRAY_DIMS (ra); | |
a3a32939 | 520 | for (; !SCM_NULLP (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
521 | { |
522 | spec = SCM_CAR (args); | |
a3a32939 | 523 | if (SCM_INUMP (spec)) |
0f2d19dd | 524 | { |
b3fcac34 DH |
525 | if (SCM_INUM (spec) < 0) |
526 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
527 | s->lbnd = 0; |
528 | s->ubnd = SCM_INUM (spec) - 1; | |
529 | s->inc = 1; | |
530 | } | |
531 | else | |
532 | { | |
b3fcac34 DH |
533 | if (!SCM_CONSP (spec) || !SCM_INUMP (SCM_CAR (spec))) |
534 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
535 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
536 | sp = SCM_CDR (spec); | |
b3fcac34 DH |
537 | if (!SCM_CONSP (sp) |
538 | || !SCM_INUMP (SCM_CAR (sp)) | |
539 | || !SCM_NULLP (SCM_CDR (sp))) | |
540 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
541 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
542 | s->inc = 1; | |
543 | } | |
544 | } | |
545 | return ra; | |
546 | } | |
547 | ||
3b3b36dd | 548 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 549 | (SCM dims, SCM prot, SCM fill), |
8f85c0c6 | 550 | "@deffnx {Scheme Procedure} make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
551 | "Create and return a uniform array or vector of type\n" |
552 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
553 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
554 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 555 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 556 | { |
1be6b49c | 557 | size_t k; |
c014a02e | 558 | unsigned long rlen = 1; |
92c2555f | 559 | scm_t_array_dim *s; |
0f2d19dd | 560 | SCM ra; |
1be6b49c | 561 | |
0f2d19dd | 562 | if (SCM_INUMP (dims)) |
cda139a7 | 563 | { |
5b9eb8ae | 564 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
a3a32939 DH |
565 | if (!SCM_UNBNDP (fill)) |
566 | scm_array_fill_x (answer, fill); | |
567 | else if (SCM_SYMBOLP (prot)) | |
568 | scm_array_fill_x (answer, SCM_MAKINUM (0)); | |
569 | else | |
570 | scm_array_fill_x (answer, prot); | |
571 | return answer; | |
cda139a7 | 572 | } |
1be6b49c | 573 | |
0c95b57d GB |
574 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
575 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 576 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 577 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
578 | s = SCM_ARRAY_DIMS (ra); |
579 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 580 | |
0f2d19dd JB |
581 | while (k--) |
582 | { | |
a3a32939 DH |
583 | s[k].inc = rlen; |
584 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 585 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 586 | } |
a3a32939 | 587 | |
a3a32939 DH |
588 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
589 | ||
5c11cc9d | 590 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 591 | scm_array_fill_x (ra, fill); |
0c95b57d | 592 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
593 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
594 | else | |
595 | scm_array_fill_x (ra, prot); | |
a3a32939 | 596 | |
0f2d19dd | 597 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 598 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
599 | return SCM_ARRAY_V (ra); |
600 | return ra; | |
601 | } | |
1bbd0b84 | 602 | #undef FUNC_NAME |
0f2d19dd | 603 | |
1cc91f1b | 604 | |
0f2d19dd | 605 | void |
1bbd0b84 | 606 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 607 | { |
1be6b49c | 608 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 609 | if (k) |
0f2d19dd | 610 | { |
c014a02e | 611 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 612 | while (k--) |
0f2d19dd | 613 | { |
fe0c6dae JB |
614 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
615 | { | |
e038c042 | 616 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
617 | return; |
618 | } | |
619 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
620 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 621 | } |
0f2d19dd | 622 | } |
e038c042 | 623 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
624 | } |
625 | ||
626 | ||
3b3b36dd | 627 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 628 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
629 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
630 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
631 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
632 | "linear, and its range must stay within the bounds of the old array, but\n" | |
633 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 634 | "@lisp\n" |
b380b885 MD |
635 | "(define fred (make-array #f 8 8))\n" |
636 | "(define freds-diagonal\n" | |
637 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
638 | "(array-set! freds-diagonal 'foo 3)\n" | |
639 | "(array-ref fred 3 3) @result{} foo\n" | |
640 | "(define freds-center\n" | |
641 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
642 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 643 | "@end lisp") |
1bbd0b84 | 644 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
645 | { |
646 | SCM ra; | |
647 | SCM inds, indptr; | |
648 | SCM imap; | |
c014a02e ML |
649 | size_t k, i; |
650 | long old_min, new_min, old_max, new_max; | |
92c2555f | 651 | scm_t_array_dim *s; |
b3fcac34 DH |
652 | |
653 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
34d19ef6 HWN |
654 | SCM_VALIDATE_ARRAY (1, oldra); |
655 | SCM_VALIDATE_PROC (2, mapfunc); | |
1bbd0b84 | 656 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
657 | if (SCM_ARRAYP (oldra)) |
658 | { | |
659 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
660 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
661 | s = SCM_ARRAY_DIMS (oldra); | |
662 | k = SCM_ARRAY_NDIM (oldra); | |
663 | while (k--) | |
664 | { | |
665 | if (s[k].inc > 0) | |
666 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
667 | else | |
668 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
669 | } | |
670 | } | |
671 | else | |
672 | { | |
673 | SCM_ARRAY_V (ra) = oldra; | |
674 | old_min = 0; | |
74014c46 | 675 | old_max = SCM_INUM (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
676 | } |
677 | inds = SCM_EOL; | |
678 | s = SCM_ARRAY_DIMS (ra); | |
679 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
680 | { | |
681 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
682 | if (s[k].ubnd < s[k].lbnd) | |
683 | { | |
684 | if (1 == SCM_ARRAY_NDIM (ra)) | |
685 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
686 | else | |
687 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
688 | return ra; | |
689 | } | |
690 | } | |
fdc28395 | 691 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd | 692 | if (SCM_ARRAYP (oldra)) |
c014a02e | 693 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
694 | else |
695 | { | |
696 | if (SCM_NINUMP (imap)) | |
697 | ||
698 | { | |
b3fcac34 DH |
699 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
700 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
701 | imap = SCM_CAR (imap); |
702 | } | |
703 | i = SCM_INUM (imap); | |
704 | } | |
705 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
706 | indptr = inds; | |
707 | k = SCM_ARRAY_NDIM (ra); | |
708 | while (k--) | |
709 | { | |
710 | if (s[k].ubnd > s[k].lbnd) | |
711 | { | |
898a256f | 712 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
fdc28395 | 713 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd JB |
714 | if (SCM_ARRAYP (oldra)) |
715 | ||
1bbd0b84 | 716 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
717 | else |
718 | { | |
719 | if (SCM_NINUMP (imap)) | |
0f2d19dd | 720 | { |
b3fcac34 DH |
721 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
722 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
723 | imap = SCM_CAR (imap); |
724 | } | |
725 | s[k].inc = (long) SCM_INUM (imap) - i; | |
726 | } | |
727 | i += s[k].inc; | |
728 | if (s[k].inc > 0) | |
729 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
730 | else | |
731 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
732 | } | |
733 | else | |
734 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
735 | indptr = SCM_CDR (indptr); | |
736 | } | |
b3fcac34 DH |
737 | if (old_min > new_min || old_max < new_max) |
738 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
739 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
740 | { | |
74014c46 | 741 | SCM v = SCM_ARRAY_V (ra); |
c014a02e | 742 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
743 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
744 | return v; | |
0f2d19dd JB |
745 | if (s->ubnd < s->lbnd) |
746 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
747 | } | |
748 | scm_ra_set_contp (ra); | |
749 | return ra; | |
750 | } | |
1bbd0b84 | 751 | #undef FUNC_NAME |
0f2d19dd JB |
752 | |
753 | ||
754 | /* args are RA . DIMS */ | |
af45e3b0 DH |
755 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
756 | (SCM ra, SCM args), | |
1e6808ea MG |
757 | "Return an array sharing contents with @var{array}, but with\n" |
758 | "dimensions arranged in a different order. There must be one\n" | |
759 | "@var{dim} argument for each dimension of @var{array}.\n" | |
760 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
761 | "and the rank of the array to be returned. Each integer in that\n" | |
762 | "range must appear at least once in the argument list.\n" | |
763 | "\n" | |
764 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
765 | "dimensions in the array to be returned, their positions in the\n" | |
766 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
767 | "may have the same value, in which case the returned array will\n" | |
768 | "have smaller rank than @var{array}.\n" | |
769 | "\n" | |
770 | "@lisp\n" | |
b380b885 MD |
771 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
772 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
773 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
774 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 775 | "@end lisp") |
1bbd0b84 | 776 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 777 | { |
34d19ef6 HWN |
778 | SCM res, vargs; |
779 | SCM const *ve = &vargs; | |
92c2555f | 780 | scm_t_array_dim *s, *r; |
0f2d19dd | 781 | int ndim, i, k; |
af45e3b0 | 782 | |
b3fcac34 | 783 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 784 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 785 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
786 | { |
787 | default: | |
276dd677 | 788 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
789 | case scm_tc7_bvect: |
790 | case scm_tc7_string: | |
791 | case scm_tc7_byvect: | |
792 | case scm_tc7_uvect: | |
793 | case scm_tc7_ivect: | |
794 | case scm_tc7_fvect: | |
795 | case scm_tc7_dvect: | |
796 | case scm_tc7_cvect: | |
797 | case scm_tc7_svect: | |
2a5cd898 | 798 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
799 | case scm_tc7_llvect: |
800 | #endif | |
b3fcac34 DH |
801 | if (SCM_NULLP (args) || !SCM_NULLP (SCM_CDR (args))) |
802 | SCM_WRONG_NUM_ARGS (); | |
803 | SCM_VALIDATE_INUM (SCM_ARG2, SCM_CAR (args)); | |
685c0d71 DH |
804 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), |
805 | SCM_EQ_P (SCM_INUM0, SCM_CAR (args))); | |
0f2d19dd JB |
806 | return ra; |
807 | case scm_tc7_smob: | |
808 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
809 | vargs = scm_vector (args); | |
b3fcac34 DH |
810 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
811 | SCM_WRONG_NUM_ARGS (); | |
812 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
813 | ndim = 0; |
814 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
815 | { | |
20a54673 | 816 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 817 | FUNC_NAME); |
0f2d19dd | 818 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
819 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
820 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
821 | if (ndim < i) |
822 | ndim = i; | |
823 | } | |
824 | ndim++; | |
825 | res = scm_make_ra (ndim); | |
826 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
827 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
828 | for (k = ndim; k--;) | |
829 | { | |
830 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
831 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
832 | } | |
833 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
834 | { | |
835 | i = SCM_INUM (ve[k]); | |
836 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
837 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
838 | if (r->ubnd < r->lbnd) | |
839 | { | |
840 | r->lbnd = s->lbnd; | |
841 | r->ubnd = s->ubnd; | |
842 | r->inc = s->inc; | |
843 | ndim--; | |
844 | } | |
845 | else | |
846 | { | |
847 | if (r->ubnd > s->ubnd) | |
848 | r->ubnd = s->ubnd; | |
849 | if (r->lbnd < s->lbnd) | |
850 | { | |
851 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
852 | r->lbnd = s->lbnd; | |
853 | } | |
854 | r->inc += s->inc; | |
855 | } | |
856 | } | |
b3fcac34 DH |
857 | if (ndim > 0) |
858 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
859 | scm_ra_set_contp (res); |
860 | return res; | |
861 | } | |
862 | } | |
1bbd0b84 | 863 | #undef FUNC_NAME |
0f2d19dd JB |
864 | |
865 | /* args are RA . AXES */ | |
af45e3b0 DH |
866 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
867 | (SCM ra, SCM axes), | |
b380b885 MD |
868 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
869 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
870 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
871 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
872 | "the dimensions of the outer array are the same as those of the original\n" | |
873 | "array that did not match a @var{dim}.\n\n" | |
874 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
875 | "be set using @code{array-set!}. Two references to the same element of\n" | |
876 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
877 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
878 | "enclosed array is unspecified.\n\n" | |
879 | "examples:\n" | |
1e6808ea | 880 | "@lisp\n" |
b380b885 MD |
881 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
882 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
883 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
884 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 885 | "@end lisp") |
1bbd0b84 | 886 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 887 | { |
af45e3b0 | 888 | SCM axv, res, ra_inr; |
92c2555f | 889 | scm_t_array_dim vdim, *s = &vdim; |
0f2d19dd | 890 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 891 | |
b3fcac34 | 892 | SCM_VALIDATE_REST_ARGUMENT (axes); |
0f2d19dd | 893 | if (SCM_NULLP (axes)) |
0f2d19dd JB |
894 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
895 | ninr = scm_ilength (axes); | |
b3fcac34 DH |
896 | if (ninr < 0) |
897 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
898 | ra_inr = scm_make_ra (ninr); |
899 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 900 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
901 | { |
902 | default: | |
276dd677 | 903 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
904 | case scm_tc7_string: |
905 | case scm_tc7_bvect: | |
906 | case scm_tc7_byvect: | |
907 | case scm_tc7_uvect: | |
908 | case scm_tc7_ivect: | |
909 | case scm_tc7_fvect: | |
910 | case scm_tc7_dvect: | |
911 | case scm_tc7_cvect: | |
912 | case scm_tc7_vector: | |
95f5b0f5 | 913 | case scm_tc7_wvect: |
0f2d19dd | 914 | case scm_tc7_svect: |
2a5cd898 | 915 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
916 | case scm_tc7_llvect: |
917 | #endif | |
918 | s->lbnd = 0; | |
74014c46 | 919 | s->ubnd = SCM_INUM (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
920 | s->inc = 1; |
921 | SCM_ARRAY_V (ra_inr) = ra; | |
922 | SCM_ARRAY_BASE (ra_inr) = 0; | |
923 | ndim = 1; | |
924 | break; | |
925 | case scm_tc7_smob: | |
926 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
927 | s = SCM_ARRAY_DIMS (ra); | |
928 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
929 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
930 | ndim = SCM_ARRAY_NDIM (ra); | |
931 | break; | |
932 | } | |
933 | noutr = ndim - ninr; | |
b3fcac34 DH |
934 | if (noutr < 0) |
935 | SCM_WRONG_NUM_ARGS (); | |
7866a09b | 936 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
937 | res = scm_make_ra (noutr); |
938 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
939 | SCM_ARRAY_V (res) = ra_inr; | |
940 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
941 | { | |
b3fcac34 DH |
942 | if (!SCM_INUMP (SCM_CAR (axes))) |
943 | SCM_MISC_ERROR ("bad axis", SCM_EOL); | |
0f2d19dd JB |
944 | j = SCM_INUM (SCM_CAR (axes)); |
945 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
946 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
947 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 948 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
949 | } |
950 | for (j = 0, k = 0; k < noutr; k++, j++) | |
951 | { | |
405aaef9 | 952 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
953 | j++; |
954 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
955 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
956 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
957 | } | |
958 | scm_ra_set_contp (ra_inr); | |
959 | scm_ra_set_contp (res); | |
960 | return res; | |
961 | } | |
1bbd0b84 | 962 | #undef FUNC_NAME |
0f2d19dd JB |
963 | |
964 | ||
965 | ||
af45e3b0 DH |
966 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
967 | (SCM v, SCM args), | |
1e6808ea MG |
968 | "Return @code{#t} if its arguments would be acceptable to\n" |
969 | "@code{array-ref}.") | |
1bbd0b84 | 970 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 971 | { |
af45e3b0 | 972 | SCM ind = SCM_EOL; |
c014a02e | 973 | long pos = 0; |
1be6b49c | 974 | register size_t k; |
c014a02e | 975 | register long j; |
92c2555f | 976 | scm_t_array_dim *s; |
af45e3b0 | 977 | |
b3fcac34 | 978 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
979 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
980 | if (SCM_NIMP (args)) | |
981 | ||
982 | { | |
983 | ind = SCM_CAR (args); | |
984 | args = SCM_CDR (args); | |
1bbd0b84 | 985 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
986 | pos = SCM_INUM (ind); |
987 | } | |
988 | tail: | |
74014c46 | 989 | switch SCM_TYP7 (v) |
0f2d19dd JB |
990 | { |
991 | default: | |
276dd677 | 992 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 993 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
994 | case scm_tc7_smob: |
995 | k = SCM_ARRAY_NDIM (v); | |
996 | s = SCM_ARRAY_DIMS (v); | |
997 | pos = SCM_ARRAY_BASE (v); | |
998 | if (!k) | |
999 | { | |
1000 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1001 | ind = SCM_INUM0; | |
1002 | } | |
1003 | else | |
1004 | while (!0) | |
1005 | { | |
1006 | j = SCM_INUM (ind); | |
1007 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1008 | { | |
1009 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1010 | return SCM_BOOL_F; | |
1011 | } | |
1012 | pos += (j - s->lbnd) * (s->inc); | |
1013 | if (!(--k && SCM_NIMP (args))) | |
1014 | break; | |
1015 | ind = SCM_CAR (args); | |
1016 | args = SCM_CDR (args); | |
1017 | s++; | |
b3fcac34 DH |
1018 | if (!SCM_INUMP (ind)) |
1019 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
1020 | } |
1021 | SCM_ASRTGO (0 == k, wna); | |
1022 | v = SCM_ARRAY_V (v); | |
1023 | goto tail; | |
1024 | case scm_tc7_bvect: | |
1025 | case scm_tc7_string: | |
1026 | case scm_tc7_byvect: | |
1027 | case scm_tc7_uvect: | |
1028 | case scm_tc7_ivect: | |
1029 | case scm_tc7_fvect: | |
1030 | case scm_tc7_dvect: | |
1031 | case scm_tc7_cvect: | |
1032 | case scm_tc7_svect: | |
2a5cd898 | 1033 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1034 | case scm_tc7_llvect: |
1035 | #endif | |
1036 | case scm_tc7_vector: | |
95f5b0f5 | 1037 | case scm_tc7_wvect: |
74014c46 | 1038 | { |
c014a02e | 1039 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1040 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1041 | return SCM_BOOL(pos >= 0 && pos < length); | |
1042 | } | |
0f2d19dd JB |
1043 | } |
1044 | } | |
1bbd0b84 | 1045 | #undef FUNC_NAME |
0f2d19dd JB |
1046 | |
1047 | ||
1bbd0b84 | 1048 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1049 | |
1bbd0b84 | 1050 | |
3b3b36dd | 1051 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1052 | (SCM v, SCM args), |
8f85c0c6 | 1053 | "@deffnx {Scheme Procedure} array-ref v . args\n" |
1e6808ea MG |
1054 | "Return the element at the @code{(index1, index2)} element in\n" |
1055 | "@var{array}.") | |
1bbd0b84 | 1056 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd | 1057 | { |
c014a02e | 1058 | long pos; |
0f2d19dd | 1059 | |
35de7ebe | 1060 | if (SCM_IMP (v)) |
0f2d19dd JB |
1061 | { |
1062 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1063 | return v; | |
1064 | } | |
1065 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1066 | { |
1bbd0b84 | 1067 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1068 | v = SCM_ARRAY_V (v); |
1069 | } | |
1070 | else | |
1071 | { | |
c014a02e | 1072 | unsigned long int length; |
0f2d19dd | 1073 | if (SCM_NIMP (args)) |
0f2d19dd | 1074 | { |
1bbd0b84 | 1075 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1076 | pos = SCM_INUM (SCM_CAR (args)); |
1077 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1078 | } | |
1079 | else | |
1080 | { | |
34d19ef6 | 1081 | SCM_VALIDATE_INUM (2, args); |
0f2d19dd JB |
1082 | pos = SCM_INUM (args); |
1083 | } | |
74014c46 DH |
1084 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1085 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd | 1086 | } |
74014c46 | 1087 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1088 | { |
1089 | default: | |
1090 | if (SCM_NULLP (args)) | |
1091 | return v; | |
35de7ebe | 1092 | badarg: |
276dd677 DH |
1093 | SCM_WRONG_TYPE_ARG (1, v); |
1094 | /* not reached */ | |
c209c88e GB |
1095 | |
1096 | outrng: | |
1097 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1098 | wna: | |
b3fcac34 | 1099 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1100 | case scm_tc7_smob: |
1101 | { /* enclosed */ | |
1102 | int k = SCM_ARRAY_NDIM (v); | |
1103 | SCM res = scm_make_ra (k); | |
1104 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1105 | SCM_ARRAY_BASE (res) = pos; | |
1106 | while (k--) | |
1107 | { | |
1108 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1109 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1110 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1111 | } | |
1112 | return res; | |
1113 | } | |
1114 | case scm_tc7_bvect: | |
c209c88e | 1115 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1116 | return SCM_BOOL_T; |
1117 | else | |
1118 | return SCM_BOOL_F; | |
1119 | case scm_tc7_string: | |
322ac0c5 | 1120 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1121 | case scm_tc7_byvect: |
405aaef9 | 1122 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1123 | case scm_tc7_uvect: |
fee7ef83 | 1124 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1125 | case scm_tc7_ivect: |
1be6b49c | 1126 | return scm_long2num (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1127 | |
1128 | case scm_tc7_svect: | |
4260a7fc | 1129 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1130 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1131 | case scm_tc7_llvect: |
1be6b49c | 1132 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1133 | #endif |
1134 | ||
0f2d19dd | 1135 | case scm_tc7_fvect: |
4260a7fc | 1136 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1137 | case scm_tc7_dvect: |
4260a7fc | 1138 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1139 | case scm_tc7_cvect: |
4260a7fc DH |
1140 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1141 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1142 | case scm_tc7_vector: |
95f5b0f5 | 1143 | case scm_tc7_wvect: |
0f2d19dd JB |
1144 | return SCM_VELTS (v)[pos]; |
1145 | } | |
1146 | } | |
1bbd0b84 | 1147 | #undef FUNC_NAME |
0f2d19dd JB |
1148 | |
1149 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1150 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1151 | |
0f2d19dd | 1152 | SCM |
c014a02e | 1153 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1154 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1155 | { |
5c11cc9d | 1156 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1157 | { |
1158 | default: | |
db4b4ca6 | 1159 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1160 | case scm_tc7_bvect: |
34d19ef6 | 1161 | if (SCM_BITVEC_REF(v, pos)) |
0f2d19dd JB |
1162 | return SCM_BOOL_T; |
1163 | else | |
1164 | return SCM_BOOL_F; | |
1165 | case scm_tc7_string: | |
322ac0c5 | 1166 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1167 | case scm_tc7_byvect: |
405aaef9 | 1168 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1169 | case scm_tc7_uvect: |
fee7ef83 | 1170 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1171 | case scm_tc7_ivect: |
fee7ef83 | 1172 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1173 | case scm_tc7_svect: |
4260a7fc | 1174 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1175 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1176 | case scm_tc7_llvect: |
1be6b49c | 1177 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1178 | #endif |
0f2d19dd | 1179 | case scm_tc7_fvect: |
3ea39242 | 1180 | if (SCM_REALP (last) && !SCM_EQ_P (last, scm_flo0)) |
0f2d19dd | 1181 | { |
4260a7fc | 1182 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1183 | return last; |
1184 | } | |
4260a7fc | 1185 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1186 | case scm_tc7_dvect: |
3ea39242 | 1187 | if (SCM_REALP (last) && !SCM_EQ_P (last, scm_flo0)) |
0f2d19dd | 1188 | { |
4260a7fc | 1189 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1190 | return last; |
1191 | } | |
4260a7fc | 1192 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1193 | case scm_tc7_cvect: |
3ea39242 | 1194 | if (SCM_COMPLEXP (last)) |
0f2d19dd | 1195 | { |
4260a7fc DH |
1196 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1197 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1198 | return last; |
1199 | } | |
4260a7fc DH |
1200 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1201 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1202 | case scm_tc7_vector: |
95f5b0f5 | 1203 | case scm_tc7_wvect: |
0f2d19dd JB |
1204 | return SCM_VELTS (v)[pos]; |
1205 | case scm_tc7_smob: | |
1206 | { /* enclosed scm_array */ | |
1207 | int k = SCM_ARRAY_NDIM (v); | |
1208 | SCM res = scm_make_ra (k); | |
1209 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1210 | SCM_ARRAY_BASE (res) = pos; | |
1211 | while (k--) | |
1212 | { | |
1213 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1214 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1215 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1216 | } | |
1217 | return res; | |
1218 | } | |
1219 | } | |
1220 | } | |
db4b4ca6 DH |
1221 | #undef FUNC_NAME |
1222 | ||
0f2d19dd | 1223 | |
1bbd0b84 GB |
1224 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1225 | ||
1cc91f1b | 1226 | |
0aa0871f GH |
1227 | /* Note that args may be a list or an immediate object, depending which |
1228 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1229 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1230 | (SCM v, SCM obj, SCM args), |
8f85c0c6 NJ |
1231 | "@deffnx {Scheme Procedure} uniform-array-set1! v obj args\n" |
1232 | "Set the element at the @code{(index1, index2)} element in @var{array} to\n" | |
b380b885 | 1233 | "@var{new-value}. The value returned by array-set! is unspecified.") |
1bbd0b84 | 1234 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1235 | { |
c014a02e | 1236 | long pos = 0; |
b3fcac34 | 1237 | |
0f2d19dd JB |
1238 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1239 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1240 | { |
1bbd0b84 | 1241 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1242 | v = SCM_ARRAY_V (v); |
1243 | } | |
1244 | else | |
1245 | { | |
c014a02e | 1246 | unsigned long int length; |
9a97e362 | 1247 | if (SCM_CONSP (args)) |
0f2d19dd | 1248 | { |
9a97e362 | 1249 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), args, SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1250 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1251 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1252 | } |
1253 | else | |
1254 | { | |
34d19ef6 | 1255 | SCM_VALIDATE_INUM_COPY (3, args, pos); |
0f2d19dd | 1256 | } |
74014c46 DH |
1257 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1258 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd JB |
1259 | } |
1260 | switch (SCM_TYP7 (v)) | |
1261 | { | |
35de7ebe | 1262 | default: badarg1: |
276dd677 DH |
1263 | SCM_WRONG_TYPE_ARG (1, v); |
1264 | /* not reached */ | |
c209c88e GB |
1265 | outrng: |
1266 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1267 | wna: | |
b3fcac34 | 1268 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1269 | case scm_tc7_smob: /* enclosed */ |
1270 | goto badarg1; | |
1271 | case scm_tc7_bvect: | |
4260a7fc | 1272 | if (SCM_FALSEP (obj)) |
34d19ef6 | 1273 | SCM_BITVEC_CLR(v, pos); |
9a09deb1 | 1274 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
34d19ef6 | 1275 | SCM_BITVEC_SET(v, pos); |
0f2d19dd | 1276 | else |
276dd677 | 1277 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1278 | break; |
1279 | case scm_tc7_string: | |
7866a09b | 1280 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1281 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1282 | break; |
1283 | case scm_tc7_byvect: | |
7866a09b GB |
1284 | if (SCM_CHARP (obj)) |
1285 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1286 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1287 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1288 | break; |
1bbd0b84 | 1289 | case scm_tc7_uvect: |
729dbac3 DH |
1290 | ((unsigned long *) SCM_UVECTOR_BASE (v))[pos] |
1291 | = scm_num2ulong (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1292 | break; |
1bbd0b84 | 1293 | case scm_tc7_ivect: |
729dbac3 DH |
1294 | ((long *) SCM_UVECTOR_BASE (v))[pos] |
1295 | = scm_num2long (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1296 | break; |
0f2d19dd | 1297 | case scm_tc7_svect: |
0aa0871f | 1298 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
729dbac3 | 1299 | ((short *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1300 | break; |
2a5cd898 | 1301 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1302 | case scm_tc7_llvect: |
729dbac3 DH |
1303 | ((long long *) SCM_UVECTOR_BASE (v))[pos] |
1304 | = scm_num2long_long (obj, SCM_ARG2, FUNC_NAME); | |
0f2d19dd JB |
1305 | break; |
1306 | #endif | |
0f2d19dd | 1307 | case scm_tc7_fvect: |
729dbac3 DH |
1308 | ((float *) SCM_UVECTOR_BASE (v))[pos] |
1309 | = (float) scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd | 1310 | break; |
0f2d19dd | 1311 | case scm_tc7_dvect: |
729dbac3 DH |
1312 | ((double *) SCM_UVECTOR_BASE (v))[pos] |
1313 | = scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd JB |
1314 | break; |
1315 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1316 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1317 | if (SCM_REALP (obj)) { | |
729dbac3 DH |
1318 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_REAL_VALUE (obj); |
1319 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = 0.0; | |
eb42e2f0 | 1320 | } else { |
729dbac3 DH |
1321 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_COMPLEX_REAL (obj); |
1322 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
eb42e2f0 | 1323 | } |
0f2d19dd | 1324 | break; |
0f2d19dd | 1325 | case scm_tc7_vector: |
95f5b0f5 | 1326 | case scm_tc7_wvect: |
34d19ef6 | 1327 | SCM_VECTOR_SET (v, pos, obj); |
0f2d19dd JB |
1328 | break; |
1329 | } | |
1330 | return SCM_UNSPECIFIED; | |
1331 | } | |
1bbd0b84 | 1332 | #undef FUNC_NAME |
0f2d19dd | 1333 | |
1d7bdb25 GH |
1334 | /* attempts to unroll an array into a one-dimensional array. |
1335 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1336 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1337 | wouldn't have contiguous elements. */ |
3b3b36dd | 1338 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1339 | (SCM ra, SCM strict), |
b380b885 MD |
1340 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" |
1341 | "without changing their order (last subscript changing fastest), then\n" | |
1342 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1343 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1344 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1345 | "@var{make-shared-array} may not be.\n\n" | |
1346 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1347 | "be returned only if its elements are stored internally contiguous in\n" | |
1348 | "memory.") | |
1bbd0b84 | 1349 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1350 | { |
1351 | SCM sra; | |
1352 | if (SCM_IMP (ra)) | |
f3667f52 | 1353 | return SCM_BOOL_F; |
5c11cc9d | 1354 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1355 | { |
1356 | default: | |
1357 | return SCM_BOOL_F; | |
1358 | case scm_tc7_vector: | |
95f5b0f5 | 1359 | case scm_tc7_wvect: |
0f2d19dd JB |
1360 | case scm_tc7_string: |
1361 | case scm_tc7_bvect: | |
1362 | case scm_tc7_byvect: | |
1363 | case scm_tc7_uvect: | |
1364 | case scm_tc7_ivect: | |
1365 | case scm_tc7_fvect: | |
1366 | case scm_tc7_dvect: | |
1367 | case scm_tc7_cvect: | |
1368 | case scm_tc7_svect: | |
2a5cd898 | 1369 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1370 | case scm_tc7_llvect: |
1371 | #endif | |
1372 | return ra; | |
1373 | case scm_tc7_smob: | |
1374 | { | |
c014a02e | 1375 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1376 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1377 | return SCM_BOOL_F; | |
1378 | for (k = 0; k < ndim; k++) | |
1379 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1380 | if (!SCM_UNBNDP (strict)) | |
1381 | { | |
0f2d19dd JB |
1382 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1383 | return SCM_BOOL_F; | |
1384 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1385 | { | |
74014c46 | 1386 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1387 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1388 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1389 | return SCM_BOOL_F; |
1390 | } | |
1391 | } | |
74014c46 DH |
1392 | |
1393 | { | |
1394 | SCM v = SCM_ARRAY_V (ra); | |
c014a02e | 1395 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1396 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1397 | return v; | |
1398 | } | |
1399 | ||
0f2d19dd JB |
1400 | sra = scm_make_ra (1); |
1401 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1402 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1403 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1404 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1405 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1406 | return sra; | |
1407 | } | |
1408 | } | |
1409 | } | |
1bbd0b84 | 1410 | #undef FUNC_NAME |
0f2d19dd | 1411 | |
1cc91f1b | 1412 | |
0f2d19dd | 1413 | SCM |
6e8d25a6 | 1414 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1415 | { |
1416 | SCM ret; | |
c014a02e ML |
1417 | long inc = 1; |
1418 | size_t k, len = 1; | |
0f2d19dd JB |
1419 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1420 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1421 | k = SCM_ARRAY_NDIM (ra); | |
1422 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1423 | { | |
74014c46 | 1424 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1425 | return ra; |
74014c46 | 1426 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1427 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1428 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1429 | return ra; |
1430 | } | |
1431 | ret = scm_make_ra (k); | |
1432 | SCM_ARRAY_BASE (ret) = 0; | |
1433 | while (k--) | |
1434 | { | |
1435 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1436 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1437 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1438 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1439 | } | |
08112c95 | 1440 | SCM_ARRAY_V (ret) = scm_make_uve (inc, scm_array_prototype (ra)); |
0f2d19dd JB |
1441 | if (copy) |
1442 | scm_array_copy_x (ra, ret); | |
1443 | return ret; | |
1444 | } | |
1445 | ||
1446 | ||
1447 | ||
3b3b36dd | 1448 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1449 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 NJ |
1450 | "@deffnx {Scheme Procedure} uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1451 | "Attempt to read all elements of @var{ura}, in lexicographic order, as\n" | |
b380b885 | 1452 | "binary objects from @var{port-or-fdes}.\n" |
8f85c0c6 NJ |
1453 | "If an end of file is encountered,\n" |
1454 | "the objects up to that point are put into @var{ura}\n" | |
b380b885 MD |
1455 | "(starting at the beginning) and the remainder of the array is\n" |
1456 | "unchanged.\n\n" | |
1457 | "The optional arguments @var{start} and @var{end} allow\n" | |
1458 | "a specified region of a vector (or linearized array) to be read,\n" | |
1459 | "leaving the remainder of the vector unchanged.\n\n" | |
1460 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1461 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1462 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1463 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1464 | { |
35de7ebe | 1465 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1466 | long sz, vlen, ans; |
1467 | long cstart = 0; | |
1468 | long cend; | |
1469 | long offset = 0; | |
405aaef9 | 1470 | char *base; |
35de7ebe | 1471 | |
0f2d19dd | 1472 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1473 | if (SCM_UNBNDP (port_or_fd)) |
1474 | port_or_fd = scm_cur_inp; | |
1475 | else | |
1476 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1477 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1478 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1479 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1480 | ? 0 | |
1481 | : SCM_INUM (scm_uniform_vector_length (v))); | |
35de7ebe | 1482 | |
0f2d19dd | 1483 | loop: |
35de7ebe | 1484 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1485 | { |
1486 | default: | |
276dd677 | 1487 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd JB |
1488 | case scm_tc7_smob: |
1489 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1490 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1491 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1492 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1493 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1494 | v = SCM_ARRAY_V (cra); | |
1495 | goto loop; | |
1496 | case scm_tc7_string: | |
74014c46 | 1497 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1498 | sz = sizeof (char); |
1499 | break; | |
1500 | case scm_tc7_bvect: | |
74014c46 | 1501 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1502 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1503 | cstart /= SCM_LONG_BIT; | |
1504 | sz = sizeof (long); | |
74014c46 DH |
1505 | break; |
1506 | case scm_tc7_byvect: | |
1507 | base = (char *) SCM_UVECTOR_BASE (v); | |
1508 | sz = sizeof (char); | |
1509 | break; | |
0f2d19dd JB |
1510 | case scm_tc7_uvect: |
1511 | case scm_tc7_ivect: | |
74014c46 | 1512 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1513 | sz = sizeof (long); |
1514 | break; | |
1515 | case scm_tc7_svect: | |
74014c46 | 1516 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1517 | sz = sizeof (short); |
1518 | break; | |
2a5cd898 | 1519 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1520 | case scm_tc7_llvect: |
74014c46 | 1521 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1522 | sz = sizeof (long long); |
0f2d19dd JB |
1523 | break; |
1524 | #endif | |
0f2d19dd | 1525 | case scm_tc7_fvect: |
74014c46 | 1526 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1527 | sz = sizeof (float); |
1528 | break; | |
0f2d19dd | 1529 | case scm_tc7_dvect: |
74014c46 | 1530 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1531 | sz = sizeof (double); |
1532 | break; | |
1533 | case scm_tc7_cvect: | |
74014c46 | 1534 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1535 | sz = 2 * sizeof (double); |
1536 | break; | |
0f2d19dd | 1537 | } |
405aaef9 | 1538 | |
1146b6cd GH |
1539 | cend = vlen; |
1540 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1541 | { |
1146b6cd | 1542 | offset = |
c014a02e | 1543 | SCM_NUM2LONG (3, start); |
35de7ebe | 1544 | |
1146b6cd | 1545 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1546 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1547 | |
1548 | if (!SCM_UNBNDP (end)) | |
1549 | { | |
c014a02e ML |
1550 | long tend = |
1551 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1552 | |
1146b6cd | 1553 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1554 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1555 | cend = tend; |
1556 | } | |
0f2d19dd | 1557 | } |
35de7ebe | 1558 | |
3d8d56df GH |
1559 | if (SCM_NIMP (port_or_fd)) |
1560 | { | |
92c2555f | 1561 | scm_t_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1562 | int remaining = (cend - offset) * sz; |
405aaef9 | 1563 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1564 | |
1565 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1566 | scm_flush (port_or_fd); |
6c951427 GH |
1567 | |
1568 | ans = cend - offset; | |
1569 | while (remaining > 0) | |
3d8d56df | 1570 | { |
6c951427 GH |
1571 | if (pt->read_pos < pt->read_end) |
1572 | { | |
1573 | int to_copy = min (pt->read_end - pt->read_pos, | |
1574 | remaining); | |
1575 | ||
1576 | memcpy (dest, pt->read_pos, to_copy); | |
1577 | pt->read_pos += to_copy; | |
1578 | remaining -= to_copy; | |
1579 | dest += to_copy; | |
1580 | } | |
1581 | else | |
1582 | { | |
affc96b5 | 1583 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1584 | { |
1585 | if (remaining % sz != 0) | |
1586 | { | |
5d2d2ffc | 1587 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1588 | } |
1589 | ans -= remaining / sz; | |
1590 | break; | |
1591 | } | |
6c951427 | 1592 | } |
3d8d56df | 1593 | } |
6c951427 GH |
1594 | |
1595 | if (pt->rw_random) | |
1596 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1597 | } |
1598 | else /* file descriptor. */ | |
1599 | { | |
1600 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1601 | base + (cstart + offset) * sz, |
1be6b49c | 1602 | (sz * (cend - offset)))); |
3d8d56df | 1603 | if (ans == -1) |
1bbd0b84 | 1604 | SCM_SYSERROR; |
3d8d56df | 1605 | } |
0f2d19dd | 1606 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1607 | ans *= SCM_LONG_BIT; |
35de7ebe | 1608 | |
fee7ef83 | 1609 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1610 | scm_array_copy_x (cra, ra); |
35de7ebe | 1611 | |
0f2d19dd JB |
1612 | return SCM_MAKINUM (ans); |
1613 | } | |
1bbd0b84 | 1614 | #undef FUNC_NAME |
0f2d19dd | 1615 | |
3b3b36dd | 1616 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1617 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 | 1618 | "@deffnx {Scheme Procedure} uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
b380b885 MD |
1619 | "Writes all elements of @var{ura} as binary objects to\n" |
1620 | "@var{port-or-fdes}.\n\n" | |
1621 | "The optional arguments @var{start}\n" | |
1622 | "and @var{end} allow\n" | |
1623 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
9401323e | 1624 | "The number of objects actually written is returned.\n" |
b380b885 MD |
1625 | "@var{port-or-fdes} may be\n" |
1626 | "omitted, in which case it defaults to the value returned by\n" | |
1627 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1628 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1629 | { |
c014a02e ML |
1630 | long sz, vlen, ans; |
1631 | long offset = 0; | |
1632 | long cstart = 0; | |
1633 | long cend; | |
405aaef9 | 1634 | char *base; |
3d8d56df | 1635 | |
78446828 MV |
1636 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1637 | ||
0f2d19dd | 1638 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1639 | if (SCM_UNBNDP (port_or_fd)) |
1640 | port_or_fd = scm_cur_outp; | |
1641 | else | |
1642 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1643 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1644 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1645 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1646 | ? 0 | |
1647 | : SCM_INUM (scm_uniform_vector_length (v))); | |
1648 | ||
0f2d19dd | 1649 | loop: |
3d8d56df | 1650 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1651 | { |
1652 | default: | |
276dd677 | 1653 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1654 | case scm_tc7_smob: |
1655 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1656 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1657 | cstart = SCM_ARRAY_BASE (v); |
d245ce23 MD |
1658 | vlen = (SCM_ARRAY_DIMS (v)->inc |
1659 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1)); | |
0f2d19dd JB |
1660 | v = SCM_ARRAY_V (v); |
1661 | goto loop; | |
0f2d19dd | 1662 | case scm_tc7_string: |
74014c46 | 1663 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1664 | sz = sizeof (char); |
1665 | break; | |
1666 | case scm_tc7_bvect: | |
74014c46 | 1667 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1668 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1669 | cstart /= SCM_LONG_BIT; | |
1670 | sz = sizeof (long); | |
74014c46 DH |
1671 | break; |
1672 | case scm_tc7_byvect: | |
1673 | base = (char *) SCM_UVECTOR_BASE (v); | |
1674 | sz = sizeof (char); | |
1675 | break; | |
0f2d19dd JB |
1676 | case scm_tc7_uvect: |
1677 | case scm_tc7_ivect: | |
74014c46 | 1678 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1679 | sz = sizeof (long); |
1680 | break; | |
1681 | case scm_tc7_svect: | |
74014c46 | 1682 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1683 | sz = sizeof (short); |
1684 | break; | |
2a5cd898 | 1685 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1686 | case scm_tc7_llvect: |
74014c46 | 1687 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1688 | sz = sizeof (long long); |
0f2d19dd JB |
1689 | break; |
1690 | #endif | |
0f2d19dd | 1691 | case scm_tc7_fvect: |
74014c46 | 1692 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1693 | sz = sizeof (float); |
1694 | break; | |
0f2d19dd | 1695 | case scm_tc7_dvect: |
74014c46 | 1696 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1697 | sz = sizeof (double); |
1698 | break; | |
1699 | case scm_tc7_cvect: | |
74014c46 | 1700 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1701 | sz = 2 * sizeof (double); |
1702 | break; | |
0f2d19dd | 1703 | } |
3d8d56df | 1704 | |
1146b6cd GH |
1705 | cend = vlen; |
1706 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1707 | { |
1146b6cd | 1708 | offset = |
c014a02e | 1709 | SCM_NUM2LONG (3, start); |
3d8d56df | 1710 | |
1146b6cd | 1711 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1712 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1713 | |
1714 | if (!SCM_UNBNDP (end)) | |
1715 | { | |
c014a02e ML |
1716 | long tend = |
1717 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1718 | |
1146b6cd | 1719 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1720 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1721 | cend = tend; |
1722 | } | |
3d8d56df GH |
1723 | } |
1724 | ||
1725 | if (SCM_NIMP (port_or_fd)) | |
1726 | { | |
405aaef9 | 1727 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1728 | |
1729 | ans = cend - offset; | |
265e6a4d | 1730 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1731 | } |
1732 | else /* file descriptor. */ | |
1733 | { | |
1734 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1735 | base + (cstart + offset) * sz, |
1be6b49c | 1736 | (sz * (cend - offset)))); |
3d8d56df | 1737 | if (ans == -1) |
1bbd0b84 | 1738 | SCM_SYSERROR; |
3d8d56df | 1739 | } |
0f2d19dd | 1740 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1741 | ans *= SCM_LONG_BIT; |
3d8d56df | 1742 | |
0f2d19dd JB |
1743 | return SCM_MAKINUM (ans); |
1744 | } | |
1bbd0b84 | 1745 | #undef FUNC_NAME |
0f2d19dd JB |
1746 | |
1747 | ||
1748 | static char cnt_tab[16] = | |
1749 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1750 | ||
3b3b36dd | 1751 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1752 | (SCM b, SCM bitvector), |
1e6808ea | 1753 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1754 | "@var{bitvector}.") |
1bbd0b84 | 1755 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1756 | { |
44e47754 | 1757 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1758 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1759 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1760 | return SCM_INUM0; |
1761 | } else { | |
c014a02e ML |
1762 | unsigned long int count = 0; |
1763 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1764 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
44e47754 DH |
1765 | if (SCM_FALSEP (b)) { |
1766 | w = ~w; | |
1767 | }; | |
c014a02e | 1768 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1769 | while (1) { |
1770 | while (w) { | |
1771 | count += cnt_tab[w & 0x0f]; | |
1772 | w >>= 4; | |
1773 | } | |
1774 | if (i == 0) { | |
1775 | return SCM_MAKINUM (count); | |
1776 | } else { | |
1777 | --i; | |
1778 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1779 | if (SCM_FALSEP (b)) { | |
1780 | w = ~w; | |
0f2d19dd | 1781 | } |
44e47754 | 1782 | } |
0f2d19dd | 1783 | } |
44e47754 | 1784 | } |
0f2d19dd | 1785 | } |
1bbd0b84 | 1786 | #undef FUNC_NAME |
0f2d19dd JB |
1787 | |
1788 | ||
3b3b36dd | 1789 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1790 | (SCM item, SCM v, SCM k), |
88ecf5cb KR |
1791 | "Return the index of the first occurrance of @var{item} in bit\n" |
1792 | "vector @var{v}, starting from @var{k}. If there is no\n" | |
1793 | "@var{item} entry between @var{k} and the end of\n" | |
1794 | "@var{bitvector}, then return @code{#f}. For example,\n" | |
1795 | "\n" | |
1796 | "@example\n" | |
1797 | "(bit-position #t #*000101 0) @result{} 3\n" | |
1798 | "(bit-position #f #*0001111 3) @result{} #f\n" | |
1799 | "@end example") | |
1bbd0b84 | 1800 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1801 | { |
c014a02e ML |
1802 | long i, lenw, xbits, pos; |
1803 | register unsigned long w; | |
74014c46 DH |
1804 | |
1805 | SCM_VALIDATE_BOOL (1, item); | |
1806 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
34d19ef6 | 1807 | SCM_VALIDATE_INUM_COPY (3, k, pos); |
74014c46 DH |
1808 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1809 | ||
1810 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1811 | return SCM_BOOL_F; |
74014c46 | 1812 | |
c014a02e ML |
1813 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1814 | i = pos / SCM_LONG_BIT; | |
74014c46 DH |
1815 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
1816 | if (SCM_FALSEP (item)) | |
1817 | w = ~w; | |
c014a02e | 1818 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1819 | pos -= xbits; |
1820 | w = ((w >> xbits) << xbits); | |
c014a02e | 1821 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1822 | while (!0) |
1823 | { | |
1824 | if (w && (i == lenw)) | |
1825 | w = ((w << xbits) >> xbits); | |
1826 | if (w) | |
1827 | while (w) | |
1828 | switch (w & 0x0f) | |
1829 | { | |
1830 | default: | |
1831 | return SCM_MAKINUM (pos); | |
1832 | case 2: | |
1833 | case 6: | |
1834 | case 10: | |
1835 | case 14: | |
1836 | return SCM_MAKINUM (pos + 1); | |
1837 | case 4: | |
1838 | case 12: | |
1839 | return SCM_MAKINUM (pos + 2); | |
1840 | case 8: | |
1841 | return SCM_MAKINUM (pos + 3); | |
1842 | case 0: | |
1843 | pos += 4; | |
1844 | w >>= 4; | |
1845 | } | |
1846 | if (++i > lenw) | |
1847 | break; | |
c014a02e | 1848 | pos += SCM_LONG_BIT; |
f1267706 | 1849 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1850 | if (SCM_FALSEP (item)) |
1851 | w = ~w; | |
0f2d19dd | 1852 | } |
74014c46 | 1853 | return SCM_BOOL_F; |
0f2d19dd | 1854 | } |
1bbd0b84 | 1855 | #undef FUNC_NAME |
0f2d19dd JB |
1856 | |
1857 | ||
3b3b36dd | 1858 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 | 1859 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1860 | "Set entries of bit vector @var{v} to @var{obj}, with @var{kv}\n" |
1861 | "selecting the entries to change. The return value is\n" | |
1862 | "unspecified.\n" | |
1863 | "\n" | |
1864 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1865 | "@code{#t} are the ones in @var{v} which are set to @var{obj}.\n" | |
1866 | "@var{kv} and @var{v} must be the same length. When @var{obj}\n" | |
1867 | "is @code{#t} it's like @var{kv} is OR'ed into @var{v}. Or when\n" | |
1868 | "@var{obj} is @code{#f} it can be seen as an ANDNOT.\n" | |
1869 | "\n" | |
1870 | "@example\n" | |
1871 | "(define bv #*01000010)\n" | |
1872 | "(bit-set*! bv #*10010001 #t)\n" | |
1873 | "bv\n" | |
1874 | "@result{} #*11010011\n" | |
1875 | "@end example\n" | |
1876 | "\n" | |
1877 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1878 | "they're indexes into @var{v} which are set to @var{obj}.\n" | |
1879 | "\n" | |
1880 | "@example\n" | |
1881 | "(define bv #*01000010)\n" | |
1882 | "(bit-set*! bv #u(5 2 7) #t)\n" | |
1883 | "bv\n" | |
1884 | "@result{} #*01100111\n" | |
1885 | "@end example") | |
1bbd0b84 | 1886 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1887 | { |
c014a02e | 1888 | register long i, k, vlen; |
74014c46 | 1889 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1890 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1891 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1892 | { |
1893 | default: | |
276dd677 | 1894 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1895 | case scm_tc7_uvect: |
74014c46 DH |
1896 | vlen = SCM_BITVECTOR_LENGTH (v); |
1897 | if (SCM_FALSEP (obj)) | |
1898 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1899 | { | |
c014a02e | 1900 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1901 | if (k >= vlen) |
1902 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1903 | SCM_BITVEC_CLR(v, k); |
74014c46 DH |
1904 | } |
1905 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1906 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1907 | { | |
c014a02e | 1908 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1909 | if (k >= vlen) |
1910 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1911 | SCM_BITVEC_SET(v, k); |
74014c46 DH |
1912 | } |
1913 | else | |
276dd677 | 1914 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1915 | break; |
1916 | case scm_tc7_bvect: | |
74014c46 | 1917 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
4260a7fc | 1918 | if (SCM_FALSEP (obj)) |
c014a02e | 1919 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1920 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; |
9a09deb1 | 1921 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c014a02e | 1922 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1923 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; |
0f2d19dd JB |
1924 | else |
1925 | goto badarg3; | |
1926 | break; | |
1927 | } | |
1928 | return SCM_UNSPECIFIED; | |
1929 | } | |
1bbd0b84 | 1930 | #undef FUNC_NAME |
0f2d19dd JB |
1931 | |
1932 | ||
3b3b36dd | 1933 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1934 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1935 | "Return a count of how many entries in bit vector @var{v} are\n" |
1936 | "equal to @var{obj}, with @var{kv} selecting the entries to\n" | |
1937 | "consider.\n" | |
1938 | "\n" | |
1939 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1940 | "@code{#t} are the ones in @var{v} which are considered.\n" | |
1941 | "@var{kv} and @var{v} must be the same length.\n" | |
1942 | "\n" | |
1943 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1944 | "it's the indexes in @var{v} to consider.\n" | |
1945 | "\n" | |
1946 | "For example,\n" | |
1947 | "\n" | |
1948 | "@example\n" | |
1949 | "(bit-count* #*01110111 #*11001101 #t) @result{} 3\n" | |
1950 | "(bit-count* #*01110111 #u(7 0 4) #f) @result{} 2\n" | |
1951 | "@end example") | |
1bbd0b84 | 1952 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1953 | { |
c014a02e ML |
1954 | register long i, vlen, count = 0; |
1955 | register unsigned long k; | |
41b0806d | 1956 | int fObj = 0; |
c209c88e | 1957 | |
74014c46 | 1958 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1959 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1960 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1961 | { |
1962 | default: | |
c209c88e | 1963 | badarg2: |
276dd677 | 1964 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1965 | case scm_tc7_uvect: |
74014c46 DH |
1966 | vlen = SCM_BITVECTOR_LENGTH (v); |
1967 | if (SCM_FALSEP (obj)) | |
1968 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1969 | { | |
c014a02e | 1970 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1971 | if (k >= vlen) |
1972 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1973 | if (!SCM_BITVEC_REF(v, k)) |
74014c46 DH |
1974 | count++; |
1975 | } | |
1976 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1977 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1978 | { | |
c014a02e | 1979 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1980 | if (k >= vlen) |
1981 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1982 | if (SCM_BITVEC_REF (v, k)) |
74014c46 DH |
1983 | count++; |
1984 | } | |
1985 | else | |
276dd677 | 1986 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1987 | break; |
1988 | case scm_tc7_bvect: | |
74014c46 DH |
1989 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1990 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1991 | return SCM_INUM0; |
4260a7fc | 1992 | SCM_ASRTGO (SCM_BOOLP (obj), badarg3); |
9a09deb1 | 1993 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
c014a02e ML |
1994 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
1995 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
1996 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 1997 | while (1) |
0f2d19dd JB |
1998 | { |
1999 | for (; k; k >>= 4) | |
2000 | count += cnt_tab[k & 0x0f]; | |
2001 | if (0 == i--) | |
2002 | return SCM_MAKINUM (count); | |
c209c88e GB |
2003 | |
2004 | /* urg. repetitive (see above.) */ | |
c014a02e | 2005 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
2006 | } |
2007 | } | |
2008 | return SCM_MAKINUM (count); | |
2009 | } | |
1bbd0b84 | 2010 | #undef FUNC_NAME |
0f2d19dd JB |
2011 | |
2012 | ||
3b3b36dd | 2013 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 2014 | (SCM v), |
88ecf5cb KR |
2015 | "Modify the bit vector @var{v} by replacing each element with\n" |
2016 | "its negation.") | |
1bbd0b84 | 2017 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2018 | { |
c014a02e | 2019 | long int k; |
74014c46 DH |
2020 | |
2021 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2022 | ||
2023 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 2024 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 2025 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 2026 | |
0f2d19dd JB |
2027 | return SCM_UNSPECIFIED; |
2028 | } | |
1bbd0b84 | 2029 | #undef FUNC_NAME |
0f2d19dd JB |
2030 | |
2031 | ||
0f2d19dd | 2032 | SCM |
c014a02e | 2033 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2034 | { |
2035 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
c014a02e ML |
2036 | long *data = (long *) SCM_VELTS (v); |
2037 | register unsigned long mask; | |
2038 | register long k; | |
2039 | register long j; | |
2040 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
0f2d19dd JB |
2041 | { |
2042 | data[k] = 0L; | |
c014a02e ML |
2043 | j = len - k * SCM_LONG_BIT; |
2044 | if (j > SCM_LONG_BIT) | |
2045 | j = SCM_LONG_BIT; | |
0f2d19dd JB |
2046 | for (mask = 1L; j--; mask <<= 1) |
2047 | switch (*str++) | |
2048 | { | |
2049 | case '0': | |
2050 | break; | |
2051 | case '1': | |
2052 | data[k] |= mask; | |
2053 | break; | |
2054 | default: | |
2055 | return SCM_BOOL_F; | |
2056 | } | |
2057 | } | |
2058 | return v; | |
2059 | } | |
2060 | ||
2061 | ||
1cc91f1b | 2062 | |
0f2d19dd | 2063 | static SCM |
34d19ef6 | 2064 | ra2l (SCM ra, unsigned long base, unsigned long k) |
0f2d19dd JB |
2065 | { |
2066 | register SCM res = SCM_EOL; | |
c014a02e ML |
2067 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2068 | register size_t i; | |
0f2d19dd JB |
2069 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
2070 | return SCM_EOL; | |
2071 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2072 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2073 | { | |
2074 | do | |
2075 | { | |
2076 | i -= inc; | |
2077 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2078 | } | |
2079 | while (i != base); | |
2080 | } | |
2081 | else | |
2082 | do | |
2083 | { | |
2084 | i -= inc; | |
2085 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2086 | } | |
2087 | while (i != base); | |
2088 | return res; | |
2089 | } | |
2090 | ||
2091 | ||
cd328b4f | 2092 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2093 | (SCM v), |
1e6808ea MG |
2094 | "Return a list consisting of all the elements, in order, of\n" |
2095 | "@var{array}.") | |
cd328b4f | 2096 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2097 | { |
2098 | SCM res = SCM_EOL; | |
c014a02e | 2099 | register long k; |
0f2d19dd | 2100 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 2101 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2102 | { |
2103 | default: | |
276dd677 | 2104 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2105 | case scm_tc7_smob: |
2106 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2107 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2108 | case scm_tc7_vector: | |
95f5b0f5 | 2109 | case scm_tc7_wvect: |
0f2d19dd JB |
2110 | return scm_vector_to_list (v); |
2111 | case scm_tc7_string: | |
2112 | return scm_string_to_list (v); | |
2113 | case scm_tc7_bvect: | |
2114 | { | |
c014a02e ML |
2115 | long *data = (long *) SCM_VELTS (v); |
2116 | register unsigned long mask; | |
2117 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
2118 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
2119 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); | |
2120 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) | |
2121 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); | |
0f2d19dd JB |
2122 | return res; |
2123 | } | |
af7546eb DH |
2124 | case scm_tc7_byvect: |
2125 | { | |
2126 | signed char *data = (signed char *) SCM_VELTS (v); | |
c014a02e | 2127 | unsigned long k = SCM_UVECTOR_LENGTH (v); |
af7546eb DH |
2128 | while (k != 0) |
2129 | res = scm_cons (SCM_MAKINUM (data[--k]), res); | |
2130 | return res; | |
2131 | } | |
2132 | case scm_tc7_uvect: | |
2133 | { | |
c014a02e | 2134 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2135 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2136 | res = scm_cons(scm_ulong2num(data[k]), res); |
af7546eb DH |
2137 | return res; |
2138 | } | |
2139 | case scm_tc7_ivect: | |
2140 | { | |
c014a02e | 2141 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2142 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2143 | res = scm_cons(scm_long2num(data[k]), res); |
af7546eb DH |
2144 | return res; |
2145 | } | |
2146 | case scm_tc7_svect: | |
2147 | { | |
2148 | short *data = (short *)SCM_VELTS(v); | |
2149 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
1be6b49c | 2150 | res = scm_cons(scm_short2num (data[k]), res); |
af7546eb DH |
2151 | return res; |
2152 | } | |
2a5cd898 | 2153 | #if SCM_SIZEOF_LONG_LONG != 0 |
af7546eb DH |
2154 | case scm_tc7_llvect: |
2155 | { | |
1be6b49c | 2156 | long long *data = (long long *)SCM_VELTS(v); |
af7546eb DH |
2157 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
2158 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2159 | return res; | |
2160 | } | |
0f2d19dd | 2161 | #endif |
0f2d19dd JB |
2162 | case scm_tc7_fvect: |
2163 | { | |
2164 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2165 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
bc86da5d | 2166 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2167 | return res; |
2168 | } | |
0f2d19dd JB |
2169 | case scm_tc7_dvect: |
2170 | { | |
2171 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2172 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2173 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2174 | return res; |
2175 | } | |
2176 | case scm_tc7_cvect: | |
2177 | { | |
2178 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2179 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2180 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2181 | return res; |
2182 | } | |
0f2d19dd JB |
2183 | } |
2184 | } | |
1bbd0b84 | 2185 | #undef FUNC_NAME |
0f2d19dd JB |
2186 | |
2187 | ||
c014a02e | 2188 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 2189 | |
3b3b36dd | 2190 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2191 | (SCM ndim, SCM prot, SCM lst), |
8f85c0c6 | 2192 | "@deffnx {Scheme Procedure} list->uniform-vector prot lst\n" |
1e6808ea MG |
2193 | "Return a uniform array of the type indicated by prototype\n" |
2194 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2195 | "Elements must be of the appropriate type, no coercions are\n" | |
2196 | "done.") | |
1bbd0b84 | 2197 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2198 | { |
2199 | SCM shp = SCM_EOL; | |
2200 | SCM row = lst; | |
2201 | SCM ra; | |
c014a02e | 2202 | unsigned long k; |
0f2d19dd | 2203 | long n; |
34d19ef6 | 2204 | SCM_VALIDATE_INUM_COPY (1, ndim, k); |
0f2d19dd JB |
2205 | while (k--) |
2206 | { | |
2207 | n = scm_ilength (row); | |
1bbd0b84 | 2208 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2209 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2210 | if (SCM_NIMP (row)) | |
2211 | row = SCM_CAR (row); | |
2212 | } | |
d12feca3 GH |
2213 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2214 | SCM_UNDEFINED); | |
0f2d19dd | 2215 | if (SCM_NULLP (shp)) |
0f2d19dd JB |
2216 | { |
2217 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2218 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2219 | return ra; | |
2220 | } | |
2221 | if (!SCM_ARRAYP (ra)) | |
2222 | { | |
c014a02e | 2223 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra)); |
74014c46 | 2224 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
0f2d19dd JB |
2225 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); |
2226 | return ra; | |
2227 | } | |
2228 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2229 | return ra; | |
2230 | else | |
1afff620 KN |
2231 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", |
2232 | scm_list_1 (lst)); | |
0f2d19dd | 2233 | } |
1bbd0b84 | 2234 | #undef FUNC_NAME |
0f2d19dd | 2235 | |
0f2d19dd | 2236 | static int |
c014a02e | 2237 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2238 | { |
c014a02e ML |
2239 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2240 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2241 | int ok = 1; |
2242 | if (n <= 0) | |
4260a7fc | 2243 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2244 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2245 | { | |
2246 | while (n--) | |
2247 | { | |
1685446c | 2248 | if (!SCM_CONSP (lst)) |
0f2d19dd JB |
2249 | return 0; |
2250 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2251 | base += inc; | |
2252 | lst = SCM_CDR (lst); | |
2253 | } | |
9ff1720f | 2254 | if (!SCM_NULLP (lst)) |
0f2d19dd JB |
2255 | return 0; |
2256 | } | |
2257 | else | |
2258 | { | |
2259 | while (n--) | |
2260 | { | |
1685446c | 2261 | if (!SCM_CONSP (lst)) |
0f2d19dd | 2262 | return 0; |
baa702c8 | 2263 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); |
0f2d19dd JB |
2264 | base += inc; |
2265 | lst = SCM_CDR (lst); | |
2266 | } | |
9ff1720f | 2267 | if (!SCM_NULLP (lst)) |
fee7ef83 | 2268 | return 0; |
0f2d19dd JB |
2269 | } |
2270 | return ok; | |
2271 | } | |
2272 | ||
1cc91f1b | 2273 | |
0f2d19dd | 2274 | static void |
34d19ef6 | 2275 | rapr1 (SCM ra, unsigned long j, unsigned long k, SCM port, scm_print_state *pstate) |
0f2d19dd | 2276 | { |
c014a02e ML |
2277 | long inc = 1; |
2278 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 MD |
2279 | ? 0 |
2280 | : SCM_INUM (scm_uniform_vector_length (ra))); | |
0f2d19dd JB |
2281 | int enclosed = 0; |
2282 | tail: | |
5c11cc9d | 2283 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2284 | { |
2285 | case scm_tc7_smob: | |
2286 | if (enclosed++) | |
2287 | { | |
2288 | SCM_ARRAY_BASE (ra) = j; | |
2289 | if (n-- > 0) | |
9882ea19 | 2290 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2291 | for (j += inc; n-- > 0; j += inc) |
2292 | { | |
b7f3516f | 2293 | scm_putc (' ', port); |
0f2d19dd | 2294 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2295 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2296 | } |
2297 | break; | |
2298 | } | |
2299 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2300 | { | |
c014a02e | 2301 | long i; |
0f2d19dd JB |
2302 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2303 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2304 | { | |
b7f3516f | 2305 | scm_putc ('(', port); |
9882ea19 | 2306 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2307 | scm_puts (") ", port); |
0f2d19dd JB |
2308 | j += inc; |
2309 | } | |
2310 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2311 | { /* could be zero size. */ | |
b7f3516f | 2312 | scm_putc ('(', port); |
9882ea19 | 2313 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2314 | scm_putc (')', port); |
0f2d19dd JB |
2315 | } |
2316 | break; | |
2317 | } | |
1be6b49c | 2318 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2319 | { /* Could be zero-dimensional */ |
2320 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2321 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2322 | } | |
2323 | else | |
2324 | n = 1; | |
2325 | ra = SCM_ARRAY_V (ra); | |
2326 | goto tail; | |
2327 | default: | |
5c11cc9d | 2328 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2329 | if (n-- > 0) |
9882ea19 | 2330 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2331 | for (j += inc; n-- > 0; j += inc) |
2332 | { | |
b7f3516f | 2333 | scm_putc (' ', port); |
9882ea19 | 2334 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2335 | } |
2336 | break; | |
2337 | case scm_tc7_string: | |
2338 | if (n-- > 0) | |
322ac0c5 | 2339 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2340 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2341 | for (j += inc; n-- > 0; j += inc) |
2342 | { | |
b7f3516f | 2343 | scm_putc (' ', port); |
322ac0c5 | 2344 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2345 | } |
2346 | else | |
2347 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2348 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2349 | break; |
2350 | case scm_tc7_byvect: | |
2351 | if (n-- > 0) | |
4260a7fc | 2352 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2353 | for (j += inc; n-- > 0; j += inc) |
2354 | { | |
b7f3516f | 2355 | scm_putc (' ', port); |
4260a7fc | 2356 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2357 | } |
2358 | break; | |
2359 | ||
2360 | case scm_tc7_uvect: | |
5c11cc9d GH |
2361 | { |
2362 | char str[11]; | |
2363 | ||
2364 | if (n-- > 0) | |
2365 | { | |
2366 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2367 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2368 | scm_puts (str, port); |
2369 | } | |
2370 | for (j += inc; n-- > 0; j += inc) | |
2371 | { | |
2372 | scm_putc (' ', port); | |
fee7ef83 | 2373 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2374 | scm_puts (str, port); |
2375 | } | |
2376 | } | |
0f2d19dd JB |
2377 | case scm_tc7_ivect: |
2378 | if (n-- > 0) | |
fee7ef83 | 2379 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2380 | for (j += inc; n-- > 0; j += inc) |
2381 | { | |
b7f3516f | 2382 | scm_putc (' ', port); |
fee7ef83 | 2383 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2384 | } |
2385 | break; | |
2386 | ||
2387 | case scm_tc7_svect: | |
2388 | if (n-- > 0) | |
4260a7fc | 2389 | scm_intprint (((short *) 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 (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2394 | } |
2395 | break; | |
2396 | ||
0f2d19dd JB |
2397 | case scm_tc7_fvect: |
2398 | if (n-- > 0) | |
2399 | { | |
bc86da5d MD |
2400 | SCM z = scm_make_real (1.0); |
2401 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2402 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2403 | for (j += inc; n-- > 0; j += inc) |
2404 | { | |
b7f3516f | 2405 | scm_putc (' ', port); |
bc86da5d MD |
2406 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2407 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2408 | } |
2409 | } | |
2410 | break; | |
0f2d19dd JB |
2411 | case scm_tc7_dvect: |
2412 | if (n-- > 0) | |
2413 | { | |
bc86da5d MD |
2414 | SCM z = scm_make_real (1.0 / 3.0); |
2415 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2416 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2417 | for (j += inc; n-- > 0; j += inc) |
2418 | { | |
b7f3516f | 2419 | scm_putc (' ', port); |
bc86da5d MD |
2420 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2421 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2422 | } |
2423 | } | |
2424 | break; | |
2425 | case scm_tc7_cvect: | |
2426 | if (n-- > 0) | |
2427 | { | |
bc86da5d MD |
2428 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2429 | SCM_REAL_VALUE (z) = | |
2430 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2431 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2432 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2433 | port, pstate); | |
0f2d19dd JB |
2434 | for (j += inc; n-- > 0; j += inc) |
2435 | { | |
b7f3516f | 2436 | scm_putc (' ', port); |
bc86da5d MD |
2437 | SCM_REAL_VALUE (z) |
2438 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2439 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2440 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2441 | port, pstate); | |
0f2d19dd JB |
2442 | } |
2443 | } | |
2444 | break; | |
0f2d19dd JB |
2445 | } |
2446 | } | |
2447 | ||
2448 | ||
1cc91f1b | 2449 | |
0f2d19dd | 2450 | int |
1bbd0b84 | 2451 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2452 | { |
2453 | SCM v = exp; | |
c014a02e | 2454 | unsigned long base = 0; |
b7f3516f | 2455 | scm_putc ('#', port); |
0f2d19dd | 2456 | tail: |
5c11cc9d | 2457 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2458 | { |
2459 | case scm_tc7_smob: | |
2460 | { | |
2461 | long ndim = SCM_ARRAY_NDIM (v); | |
2462 | base = SCM_ARRAY_BASE (v); | |
2463 | v = SCM_ARRAY_V (v); | |
2464 | if (SCM_ARRAYP (v)) | |
2465 | ||
2466 | { | |
b7f3516f | 2467 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2468 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2469 | scm_putc ('>', port); |
0f2d19dd JB |
2470 | return 1; |
2471 | } | |
2472 | else | |
2473 | { | |
2474 | scm_intprint (ndim, 10, port); | |
2475 | goto tail; | |
2476 | } | |
2477 | } | |
2478 | case scm_tc7_bvect: | |
fee7ef83 | 2479 | if (SCM_EQ_P (exp, v)) |
0f2d19dd | 2480 | { /* a uve, not an scm_array */ |
c014a02e | 2481 | register long i, j, w; |
b7f3516f | 2482 | scm_putc ('*', port); |
c014a02e | 2483 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2484 | { |
92c2555f | 2485 | scm_t_bits w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
c014a02e | 2486 | for (j = SCM_LONG_BIT; j; j--) |
0f2d19dd | 2487 | { |
b7f3516f | 2488 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2489 | w >>= 1; |
2490 | } | |
2491 | } | |
c014a02e | 2492 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2493 | if (j) |
2494 | { | |
c014a02e | 2495 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2496 | for (; j; j--) |
2497 | { | |
b7f3516f | 2498 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2499 | w >>= 1; |
2500 | } | |
2501 | } | |
2502 | return 1; | |
2503 | } | |
2504 | else | |
b7f3516f | 2505 | scm_putc ('b', port); |
0f2d19dd JB |
2506 | break; |
2507 | case scm_tc7_string: | |
b7f3516f | 2508 | scm_putc ('a', port); |
0f2d19dd JB |
2509 | break; |
2510 | case scm_tc7_byvect: | |
05c33d09 | 2511 | scm_putc ('y', port); |
0f2d19dd JB |
2512 | break; |
2513 | case scm_tc7_uvect: | |
b7f3516f | 2514 | scm_putc ('u', port); |
0f2d19dd JB |
2515 | break; |
2516 | case scm_tc7_ivect: | |
b7f3516f | 2517 | scm_putc ('e', port); |
0f2d19dd JB |
2518 | break; |
2519 | case scm_tc7_svect: | |
05c33d09 | 2520 | scm_putc ('h', port); |
0f2d19dd | 2521 | break; |
2a5cd898 | 2522 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2523 | case scm_tc7_llvect: |
5c11cc9d | 2524 | scm_putc ('l', port); |
0f2d19dd JB |
2525 | break; |
2526 | #endif | |
0f2d19dd | 2527 | case scm_tc7_fvect: |
b7f3516f | 2528 | scm_putc ('s', port); |
0f2d19dd | 2529 | break; |
0f2d19dd | 2530 | case scm_tc7_dvect: |
b7f3516f | 2531 | scm_putc ('i', port); |
0f2d19dd JB |
2532 | break; |
2533 | case scm_tc7_cvect: | |
b7f3516f | 2534 | scm_putc ('c', port); |
0f2d19dd | 2535 | break; |
0f2d19dd | 2536 | } |
b7f3516f | 2537 | scm_putc ('(', port); |
9882ea19 | 2538 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2539 | scm_putc (')', port); |
0f2d19dd JB |
2540 | return 1; |
2541 | } | |
2542 | ||
3b3b36dd | 2543 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2544 | (SCM ra), |
1e6808ea MG |
2545 | "Return an object that would produce an array of the same type\n" |
2546 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2547 | "@code{make-uniform-array}.") |
1bbd0b84 | 2548 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2549 | { |
2550 | int enclosed = 0; | |
2551 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2552 | loop: | |
74014c46 | 2553 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2554 | { |
2555 | default: | |
276dd677 | 2556 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2557 | case scm_tc7_smob: |
2558 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2559 | if (enclosed++) | |
2560 | return SCM_UNSPECIFIED; | |
2561 | ra = SCM_ARRAY_V (ra); | |
2562 | goto loop; | |
2563 | case scm_tc7_vector: | |
95f5b0f5 | 2564 | case scm_tc7_wvect: |
0f2d19dd JB |
2565 | return SCM_EOL; |
2566 | case scm_tc7_bvect: | |
2567 | return SCM_BOOL_T; | |
2568 | case scm_tc7_string: | |
7866a09b | 2569 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2570 | case scm_tc7_byvect: |
7866a09b | 2571 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2572 | case scm_tc7_uvect: |
2573 | return SCM_MAKINUM (1L); | |
2574 | case scm_tc7_ivect: | |
2575 | return SCM_MAKINUM (-1L); | |
2576 | case scm_tc7_svect: | |
38ae064c | 2577 | return scm_str2symbol ("s"); |
2a5cd898 | 2578 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2579 | case scm_tc7_llvect: |
38ae064c | 2580 | return scm_str2symbol ("l"); |
0f2d19dd | 2581 | #endif |
0f2d19dd | 2582 | case scm_tc7_fvect: |
bc86da5d | 2583 | return scm_make_real (1.0); |
0f2d19dd | 2584 | case scm_tc7_dvect: |
7c183c95 | 2585 | return exactly_one_third; |
0f2d19dd | 2586 | case scm_tc7_cvect: |
bc86da5d | 2587 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2588 | } |
2589 | } | |
1bbd0b84 | 2590 | #undef FUNC_NAME |
0f2d19dd | 2591 | |
1cc91f1b | 2592 | |
0f2d19dd | 2593 | static SCM |
e841c3e0 | 2594 | array_mark (SCM ptr) |
0f2d19dd | 2595 | { |
0f2d19dd JB |
2596 | return SCM_ARRAY_V (ptr); |
2597 | } | |
2598 | ||
1cc91f1b | 2599 | |
1be6b49c | 2600 | static size_t |
e841c3e0 | 2601 | array_free (SCM ptr) |
0f2d19dd | 2602 | { |
4c9419ac MV |
2603 | scm_gc_free (SCM_ARRAY_MEM (ptr), |
2604 | (sizeof (scm_t_array) | |
2605 | + SCM_ARRAY_NDIM (ptr) * sizeof (scm_t_array_dim)), | |
2606 | "array"); | |
2607 | return 0; | |
0f2d19dd JB |
2608 | } |
2609 | ||
0f2d19dd JB |
2610 | void |
2611 | scm_init_unif () | |
0f2d19dd | 2612 | { |
e841c3e0 KN |
2613 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2614 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2615 | scm_set_smob_free (scm_tc16_array, array_free); | |
2616 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2617 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
7c183c95 KR |
2618 | exactly_one_third = scm_permanent_object (scm_make_ratio (SCM_MAKINUM (1), |
2619 | SCM_MAKINUM (3))); | |
0f2d19dd | 2620 | scm_add_feature ("array"); |
a0599745 | 2621 | #include "libguile/unif.x" |
0f2d19dd | 2622 | } |
89e00824 ML |
2623 | |
2624 | /* | |
2625 | Local Variables: | |
2626 | c-file-style: "gnu" | |
2627 | End: | |
2628 | */ |