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 const char s_scm_make_uve[]; |
141 | ||
142 | static SCM | |
143 | make_uve (long type, long k, size_t size) | |
144 | #define FUNC_NAME "scm_make_uve" | |
145 | { | |
146 | SCM_ASSERT_RANGE (1, scm_long2num (k), k <= SCM_UVECTOR_MAX_LENGTH); | |
147 | ||
148 | return scm_cell (SCM_MAKE_UVECTOR_TAG (k, type), | |
149 | (scm_t_bits) scm_gc_malloc (k * size, "vector")); | |
150 | } | |
151 | #undef FUNC_NAME | |
152 | ||
0f2d19dd | 153 | SCM |
c014a02e | 154 | scm_make_uve (long k, SCM prot) |
a3a32939 | 155 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd | 156 | { |
9a09deb1 | 157 | if (SCM_EQ_P (prot, SCM_BOOL_T)) |
0f2d19dd | 158 | { |
93778877 DH |
159 | if (k > 0) |
160 | { | |
711a9fd7 | 161 | long i; |
16d4699b MV |
162 | SCM_ASSERT_RANGE (1, |
163 | scm_long2num (k), k <= SCM_BITVECTOR_MAX_LENGTH); | |
c014a02e | 164 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); |
711a9fd7 MD |
165 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (k), |
166 | (scm_t_bits) scm_gc_malloc (i, "vector")); | |
93778877 DH |
167 | } |
168 | else | |
711a9fd7 | 169 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (0), 0); |
0f2d19dd | 170 | } |
4260a7fc | 171 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
711a9fd7 | 172 | return make_uve (scm_tc7_byvect, k, sizeof (char)); |
7866a09b | 173 | else if (SCM_CHARP (prot)) |
711a9fd7 | 174 | return scm_allocate_string (sizeof (char) * k); |
0f2d19dd | 175 | else if (SCM_INUMP (prot)) |
711a9fd7 MD |
176 | return make_uve (SCM_INUM (prot) > 0 ? scm_tc7_uvect : scm_tc7_ivect, |
177 | k, | |
178 | sizeof (long)); | |
7c183c95 KR |
179 | else if (SCM_FRACTIONP (prot)) |
180 | { | |
181 | if (scm_num_eq_p (exactly_one_third, prot)) | |
182 | goto dvect; | |
183 | } | |
74014c46 | 184 | else if (SCM_SYMBOLP (prot) && (1 == SCM_SYMBOL_LENGTH (prot))) |
0f2d19dd JB |
185 | { |
186 | char s; | |
187 | ||
86c991c2 | 188 | s = SCM_SYMBOL_CHARS (prot)[0]; |
0f2d19dd | 189 | if (s == 's') |
711a9fd7 | 190 | return make_uve (scm_tc7_svect, k, sizeof (short)); |
2a5cd898 | 191 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 192 | else if (s == 'l') |
711a9fd7 | 193 | return make_uve (scm_tc7_llvect, k, sizeof (long long)); |
0f2d19dd JB |
194 | #endif |
195 | else | |
711a9fd7 | 196 | return scm_c_make_vector (k, SCM_UNDEFINED); |
0f2d19dd | 197 | } |
5b9eb8ae | 198 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 199 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d | 200 | /* no special scm_vector */ |
00ffa0e7 | 201 | return scm_c_make_vector (k, SCM_UNDEFINED); |
bc86da5d | 202 | else if (singp (prot)) |
711a9fd7 | 203 | return make_uve (scm_tc7_fvect, k, sizeof (float)); |
eb42e2f0 | 204 | else if (SCM_COMPLEXP (prot)) |
711a9fd7 MD |
205 | return make_uve (scm_tc7_cvect, k, 2 * sizeof (double)); |
206 | dvect: | |
207 | return make_uve (scm_tc7_dvect, k, sizeof (double)); | |
0f2d19dd | 208 | } |
a3a32939 DH |
209 | #undef FUNC_NAME |
210 | ||
3b3b36dd | 211 | SCM_DEFINE (scm_uniform_vector_length, "uniform-vector-length", 1, 0, 0, |
1e6808ea MG |
212 | (SCM v), |
213 | "Return the number of elements in @var{uve}.") | |
1bbd0b84 | 214 | #define FUNC_NAME s_scm_uniform_vector_length |
0f2d19dd JB |
215 | { |
216 | SCM_ASRTGO (SCM_NIMP (v), badarg1); | |
74014c46 | 217 | switch SCM_TYP7 (v) |
0f2d19dd JB |
218 | { |
219 | default: | |
276dd677 | 220 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
74014c46 DH |
221 | case scm_tc7_vector: |
222 | case scm_tc7_wvect: | |
223 | return SCM_MAKINUM (SCM_VECTOR_LENGTH (v)); | |
0f2d19dd | 224 | case scm_tc7_string: |
74014c46 DH |
225 | return SCM_MAKINUM (SCM_STRING_LENGTH (v)); |
226 | case scm_tc7_bvect: | |
227 | return SCM_MAKINUM (SCM_BITVECTOR_LENGTH (v)); | |
0f2d19dd JB |
228 | case scm_tc7_byvect: |
229 | case scm_tc7_uvect: | |
230 | case scm_tc7_ivect: | |
231 | case scm_tc7_fvect: | |
232 | case scm_tc7_dvect: | |
233 | case scm_tc7_cvect: | |
0f2d19dd | 234 | case scm_tc7_svect: |
2a5cd898 | 235 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
236 | case scm_tc7_llvect: |
237 | #endif | |
74014c46 | 238 | return SCM_MAKINUM (SCM_UVECTOR_LENGTH (v)); |
0f2d19dd JB |
239 | } |
240 | } | |
1bbd0b84 | 241 | #undef FUNC_NAME |
0f2d19dd | 242 | |
3b3b36dd | 243 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 244 | (SCM v, SCM prot), |
1e6808ea MG |
245 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
246 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
247 | "and is described elsewhere.") | |
1bbd0b84 | 248 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
249 | { |
250 | int nprot; | |
251 | int enclosed; | |
252 | nprot = SCM_UNBNDP (prot); | |
253 | enclosed = 0; | |
254 | if (SCM_IMP (v)) | |
255 | return SCM_BOOL_F; | |
c209c88e GB |
256 | |
257 | while (SCM_TYP7 (v) == scm_tc7_smob) | |
0f2d19dd | 258 | { |
0f2d19dd JB |
259 | if (!SCM_ARRAYP (v)) |
260 | return SCM_BOOL_F; | |
261 | if (nprot) | |
262 | return SCM_BOOL_T; | |
263 | if (enclosed++) | |
264 | return SCM_BOOL_F; | |
265 | v = SCM_ARRAY_V (v); | |
c209c88e GB |
266 | } |
267 | if (nprot) | |
268 | return SCM_BOOL(nprot); | |
269 | else | |
270 | { | |
271 | int protp = 0; | |
272 | ||
273 | switch (SCM_TYP7 (v)) | |
274 | { | |
275 | case scm_tc7_bvect: | |
9a09deb1 | 276 | protp = (SCM_EQ_P (prot, SCM_BOOL_T)); |
7c183c95 | 277 | break; |
c209c88e | 278 | case scm_tc7_string: |
4260a7fc | 279 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
7c183c95 | 280 | break; |
c209c88e | 281 | case scm_tc7_byvect: |
4260a7fc | 282 | protp = SCM_EQ_P (prot, SCM_MAKE_CHAR ('\0')); |
7c183c95 | 283 | break; |
c209c88e GB |
284 | case scm_tc7_uvect: |
285 | protp = SCM_INUMP(prot) && SCM_INUM(prot)>0; | |
7c183c95 | 286 | break; |
c209c88e GB |
287 | case scm_tc7_ivect: |
288 | protp = SCM_INUMP(prot) && SCM_INUM(prot)<=0; | |
7c183c95 | 289 | break; |
c209c88e GB |
290 | case scm_tc7_svect: |
291 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 292 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
86c991c2 | 293 | && ('s' == SCM_SYMBOL_CHARS (prot)[0]); |
7c183c95 | 294 | break; |
2a5cd898 | 295 | #if SCM_SIZEOF_LONG_LONG != 0 |
c209c88e GB |
296 | case scm_tc7_llvect: |
297 | protp = SCM_SYMBOLP (prot) | |
74014c46 | 298 | && (1 == SCM_SYMBOL_LENGTH (prot)) |
7c183c95 KR |
299 | && ('l' == SCM_SYMBOL_CHARS (prot)[0]); |
300 | break; | |
0f2d19dd | 301 | #endif |
c209c88e | 302 | case scm_tc7_fvect: |
bc86da5d | 303 | protp = singp (prot); |
7c183c95 | 304 | break; |
c209c88e | 305 | case scm_tc7_dvect: |
7c183c95 KR |
306 | protp = ((SCM_REALP(prot) && ! singp (prot)) |
307 | || (SCM_FRACTIONP (prot) | |
308 | && scm_num_eq_p (exactly_one_third, prot))); | |
309 | break; | |
c209c88e | 310 | case scm_tc7_cvect: |
eb42e2f0 | 311 | protp = SCM_COMPLEXP(prot); |
7c183c95 | 312 | break; |
c209c88e GB |
313 | case scm_tc7_vector: |
314 | case scm_tc7_wvect: | |
315 | protp = SCM_NULLP(prot); | |
7c183c95 | 316 | break; |
c209c88e GB |
317 | default: |
318 | /* no default */ | |
319 | ; | |
320 | } | |
321 | return SCM_BOOL(protp); | |
0f2d19dd | 322 | } |
0f2d19dd | 323 | } |
1bbd0b84 | 324 | #undef FUNC_NAME |
0f2d19dd JB |
325 | |
326 | ||
3b3b36dd | 327 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 328 | (SCM ra), |
1e6808ea MG |
329 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
330 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 331 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd JB |
332 | { |
333 | if (SCM_IMP (ra)) | |
1bbd0b84 | 334 | return SCM_INUM0; |
0f2d19dd JB |
335 | switch (SCM_TYP7 (ra)) |
336 | { | |
337 | default: | |
338 | return SCM_INUM0; | |
339 | case scm_tc7_string: | |
340 | case scm_tc7_vector: | |
95f5b0f5 | 341 | case scm_tc7_wvect: |
0f2d19dd JB |
342 | case scm_tc7_byvect: |
343 | case scm_tc7_uvect: | |
344 | case scm_tc7_ivect: | |
345 | case scm_tc7_fvect: | |
346 | case scm_tc7_cvect: | |
347 | case scm_tc7_dvect: | |
2a5cd898 | 348 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
349 | case scm_tc7_llvect: |
350 | #endif | |
351 | case scm_tc7_svect: | |
352 | return SCM_MAKINUM (1L); | |
353 | case scm_tc7_smob: | |
354 | if (SCM_ARRAYP (ra)) | |
355 | return SCM_MAKINUM (SCM_ARRAY_NDIM (ra)); | |
356 | return SCM_INUM0; | |
357 | } | |
358 | } | |
1bbd0b84 | 359 | #undef FUNC_NAME |
0f2d19dd JB |
360 | |
361 | ||
3b3b36dd | 362 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 363 | (SCM ra), |
b380b885 MD |
364 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
365 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 366 | "@lisp\n" |
b380b885 | 367 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 368 | "@end lisp") |
1bbd0b84 | 369 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
370 | { |
371 | SCM res = SCM_EOL; | |
1be6b49c | 372 | size_t k; |
92c2555f | 373 | scm_t_array_dim *s; |
0f2d19dd | 374 | if (SCM_IMP (ra)) |
1bbd0b84 | 375 | return SCM_BOOL_F; |
0f2d19dd JB |
376 | switch (SCM_TYP7 (ra)) |
377 | { | |
378 | default: | |
379 | return SCM_BOOL_F; | |
380 | case scm_tc7_string: | |
381 | case scm_tc7_vector: | |
95f5b0f5 | 382 | case scm_tc7_wvect: |
0f2d19dd JB |
383 | case scm_tc7_bvect: |
384 | case scm_tc7_byvect: | |
385 | case scm_tc7_uvect: | |
386 | case scm_tc7_ivect: | |
387 | case scm_tc7_fvect: | |
388 | case scm_tc7_cvect: | |
389 | case scm_tc7_dvect: | |
390 | case scm_tc7_svect: | |
2a5cd898 | 391 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
392 | case scm_tc7_llvect: |
393 | #endif | |
74014c46 | 394 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
395 | case scm_tc7_smob: |
396 | if (!SCM_ARRAYP (ra)) | |
397 | return SCM_BOOL_F; | |
398 | k = SCM_ARRAY_NDIM (ra); | |
399 | s = SCM_ARRAY_DIMS (ra); | |
400 | while (k--) | |
e2d37336 MD |
401 | res = scm_cons (s[k].lbnd |
402 | ? scm_cons2 (SCM_MAKINUM (s[k].lbnd), | |
403 | SCM_MAKINUM (s[k].ubnd), | |
404 | SCM_EOL) | |
405 | : SCM_MAKINUM (1 + s[k].ubnd), | |
406 | res); | |
0f2d19dd JB |
407 | return res; |
408 | } | |
409 | } | |
1bbd0b84 | 410 | #undef FUNC_NAME |
0f2d19dd JB |
411 | |
412 | ||
e2d37336 MD |
413 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
414 | (SCM ra), | |
415 | "Return the root vector of a shared array.") | |
416 | #define FUNC_NAME s_scm_shared_array_root | |
417 | { | |
418 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
419 | return SCM_ARRAY_V (ra); | |
420 | } | |
421 | #undef FUNC_NAME | |
422 | ||
423 | ||
424 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
425 | (SCM ra), | |
426 | "Return the root vector index of the first element in the array.") | |
427 | #define FUNC_NAME s_scm_shared_array_offset | |
428 | { | |
429 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
430 | return SCM_MAKINUM (SCM_ARRAY_BASE (ra)); | |
431 | } | |
432 | #undef FUNC_NAME | |
433 | ||
434 | ||
435 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
436 | (SCM ra), | |
437 | "For each dimension, return the distance between elements in the root vector.") | |
438 | #define FUNC_NAME s_scm_shared_array_increments | |
439 | { | |
440 | SCM res = SCM_EOL; | |
1be6b49c | 441 | size_t k; |
92c2555f | 442 | scm_t_array_dim *s; |
e2d37336 MD |
443 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
444 | k = SCM_ARRAY_NDIM (ra); | |
445 | s = SCM_ARRAY_DIMS (ra); | |
446 | while (k--) | |
447 | res = scm_cons (SCM_MAKINUM (s[k].inc), res); | |
448 | return res; | |
449 | } | |
450 | #undef FUNC_NAME | |
451 | ||
452 | ||
0f2d19dd JB |
453 | static char s_bad_ind[] = "Bad scm_array index"; |
454 | ||
1cc91f1b | 455 | |
c014a02e | 456 | long |
1bbd0b84 | 457 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 458 | #define FUNC_NAME what |
0f2d19dd JB |
459 | { |
460 | SCM ind; | |
c014a02e ML |
461 | register long j; |
462 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
463 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
92c2555f | 464 | scm_t_array_dim *s = SCM_ARRAY_DIMS (ra); |
0f2d19dd | 465 | if (SCM_INUMP (args)) |
0f2d19dd | 466 | { |
b3fcac34 DH |
467 | if (k != 1) |
468 | scm_error_num_args_subr (what); | |
0f2d19dd JB |
469 | return pos + (SCM_INUM (args) - s->lbnd) * (s->inc); |
470 | } | |
13824149 | 471 | while (k && SCM_CONSP (args)) |
0f2d19dd JB |
472 | { |
473 | ind = SCM_CAR (args); | |
474 | args = SCM_CDR (args); | |
b3fcac34 DH |
475 | if (!SCM_INUMP (ind)) |
476 | scm_misc_error (what, s_bad_ind, SCM_EOL); | |
0f2d19dd | 477 | j = SCM_INUM (ind); |
685c0d71 DH |
478 | if (j < s->lbnd || j > s->ubnd) |
479 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
480 | pos += (j - s->lbnd) * (s->inc); |
481 | k--; | |
482 | s++; | |
483 | } | |
b3fcac34 DH |
484 | if (k != 0 || !SCM_NULLP (args)) |
485 | scm_error_num_args_subr (what); | |
486 | ||
0f2d19dd JB |
487 | return pos; |
488 | } | |
b3fcac34 | 489 | #undef FUNC_NAME |
0f2d19dd | 490 | |
1cc91f1b | 491 | |
0f2d19dd | 492 | SCM |
1bbd0b84 | 493 | scm_make_ra (int ndim) |
0f2d19dd JB |
494 | { |
495 | SCM ra; | |
0f2d19dd | 496 | SCM_DEFER_INTS; |
92c2555f | 497 | SCM_NEWSMOB(ra, ((scm_t_bits) ndim << 17) + scm_tc16_array, |
4c9419ac MV |
498 | scm_gc_malloc ((sizeof (scm_t_array) + |
499 | ndim * sizeof (scm_t_array_dim)), | |
500 | "array")); | |
0f2d19dd JB |
501 | SCM_ARRAY_V (ra) = scm_nullvect; |
502 | SCM_ALLOW_INTS; | |
503 | return ra; | |
504 | } | |
505 | ||
506 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
507 | /* Increments will still need to be set. */ | |
508 | ||
1cc91f1b | 509 | |
0f2d19dd | 510 | SCM |
1bbd0b84 | 511 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 512 | { |
92c2555f | 513 | scm_t_array_dim *s; |
0f2d19dd JB |
514 | SCM ra, spec, sp; |
515 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
516 | if (ndim < 0) |
517 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
518 | ||
0f2d19dd JB |
519 | ra = scm_make_ra (ndim); |
520 | SCM_ARRAY_BASE (ra) = 0; | |
521 | s = SCM_ARRAY_DIMS (ra); | |
a3a32939 | 522 | for (; !SCM_NULLP (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
523 | { |
524 | spec = SCM_CAR (args); | |
a3a32939 | 525 | if (SCM_INUMP (spec)) |
0f2d19dd | 526 | { |
b3fcac34 DH |
527 | if (SCM_INUM (spec) < 0) |
528 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
529 | s->lbnd = 0; |
530 | s->ubnd = SCM_INUM (spec) - 1; | |
531 | s->inc = 1; | |
532 | } | |
533 | else | |
534 | { | |
b3fcac34 DH |
535 | if (!SCM_CONSP (spec) || !SCM_INUMP (SCM_CAR (spec))) |
536 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
537 | s->lbnd = SCM_INUM (SCM_CAR (spec)); |
538 | sp = SCM_CDR (spec); | |
b3fcac34 DH |
539 | if (!SCM_CONSP (sp) |
540 | || !SCM_INUMP (SCM_CAR (sp)) | |
541 | || !SCM_NULLP (SCM_CDR (sp))) | |
542 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
0f2d19dd JB |
543 | s->ubnd = SCM_INUM (SCM_CAR (sp)); |
544 | s->inc = 1; | |
545 | } | |
546 | } | |
547 | return ra; | |
548 | } | |
549 | ||
3b3b36dd | 550 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 551 | (SCM dims, SCM prot, SCM fill), |
8f85c0c6 | 552 | "@deffnx {Scheme Procedure} make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
553 | "Create and return a uniform array or vector of type\n" |
554 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
555 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
556 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 557 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 558 | { |
1be6b49c | 559 | size_t k; |
c014a02e | 560 | unsigned long rlen = 1; |
92c2555f | 561 | scm_t_array_dim *s; |
0f2d19dd | 562 | SCM ra; |
1be6b49c | 563 | |
0f2d19dd | 564 | if (SCM_INUMP (dims)) |
cda139a7 | 565 | { |
5b9eb8ae | 566 | SCM answer = scm_make_uve (SCM_INUM (dims), prot); |
a3a32939 DH |
567 | if (!SCM_UNBNDP (fill)) |
568 | scm_array_fill_x (answer, fill); | |
569 | else if (SCM_SYMBOLP (prot)) | |
570 | scm_array_fill_x (answer, SCM_MAKINUM (0)); | |
571 | else | |
572 | scm_array_fill_x (answer, prot); | |
573 | return answer; | |
cda139a7 | 574 | } |
1be6b49c | 575 | |
0c95b57d GB |
576 | SCM_ASSERT (SCM_NULLP (dims) || SCM_CONSP (dims), |
577 | dims, SCM_ARG1, FUNC_NAME); | |
1bbd0b84 | 578 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 579 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
580 | s = SCM_ARRAY_DIMS (ra); |
581 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 582 | |
0f2d19dd JB |
583 | while (k--) |
584 | { | |
a3a32939 DH |
585 | s[k].inc = rlen; |
586 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 587 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 588 | } |
a3a32939 | 589 | |
a3a32939 DH |
590 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
591 | ||
5c11cc9d | 592 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 593 | scm_array_fill_x (ra, fill); |
0c95b57d | 594 | else if (SCM_SYMBOLP (prot)) |
0f2d19dd JB |
595 | scm_array_fill_x (ra, SCM_MAKINUM (0)); |
596 | else | |
597 | scm_array_fill_x (ra, prot); | |
a3a32939 | 598 | |
0f2d19dd | 599 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 600 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
601 | return SCM_ARRAY_V (ra); |
602 | return ra; | |
603 | } | |
1bbd0b84 | 604 | #undef FUNC_NAME |
0f2d19dd | 605 | |
1cc91f1b | 606 | |
0f2d19dd | 607 | void |
1bbd0b84 | 608 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 609 | { |
1be6b49c | 610 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 611 | if (k) |
0f2d19dd | 612 | { |
c014a02e | 613 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 614 | while (k--) |
0f2d19dd | 615 | { |
fe0c6dae JB |
616 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
617 | { | |
e038c042 | 618 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
619 | return; |
620 | } | |
621 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
622 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 623 | } |
0f2d19dd | 624 | } |
e038c042 | 625 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
626 | } |
627 | ||
628 | ||
3b3b36dd | 629 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 630 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
631 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
632 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
633 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
634 | "linear, and its range must stay within the bounds of the old array, but\n" | |
635 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 636 | "@lisp\n" |
b380b885 MD |
637 | "(define fred (make-array #f 8 8))\n" |
638 | "(define freds-diagonal\n" | |
639 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
640 | "(array-set! freds-diagonal 'foo 3)\n" | |
641 | "(array-ref fred 3 3) @result{} foo\n" | |
642 | "(define freds-center\n" | |
643 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
644 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 645 | "@end lisp") |
1bbd0b84 | 646 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
647 | { |
648 | SCM ra; | |
649 | SCM inds, indptr; | |
650 | SCM imap; | |
c014a02e ML |
651 | size_t k, i; |
652 | long old_min, new_min, old_max, new_max; | |
92c2555f | 653 | scm_t_array_dim *s; |
b3fcac34 DH |
654 | |
655 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
34d19ef6 HWN |
656 | SCM_VALIDATE_ARRAY (1, oldra); |
657 | SCM_VALIDATE_PROC (2, mapfunc); | |
1bbd0b84 | 658 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
659 | if (SCM_ARRAYP (oldra)) |
660 | { | |
661 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
662 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
663 | s = SCM_ARRAY_DIMS (oldra); | |
664 | k = SCM_ARRAY_NDIM (oldra); | |
665 | while (k--) | |
666 | { | |
667 | if (s[k].inc > 0) | |
668 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
669 | else | |
670 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
671 | } | |
672 | } | |
673 | else | |
674 | { | |
675 | SCM_ARRAY_V (ra) = oldra; | |
676 | old_min = 0; | |
74014c46 | 677 | old_max = SCM_INUM (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
678 | } |
679 | inds = SCM_EOL; | |
680 | s = SCM_ARRAY_DIMS (ra); | |
681 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
682 | { | |
683 | inds = scm_cons (SCM_MAKINUM (s[k].lbnd), inds); | |
684 | if (s[k].ubnd < s[k].lbnd) | |
685 | { | |
686 | if (1 == SCM_ARRAY_NDIM (ra)) | |
687 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
688 | else | |
689 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
690 | return ra; | |
691 | } | |
692 | } | |
fdc28395 | 693 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd | 694 | if (SCM_ARRAYP (oldra)) |
c014a02e | 695 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
696 | else |
697 | { | |
698 | if (SCM_NINUMP (imap)) | |
699 | ||
700 | { | |
b3fcac34 DH |
701 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
702 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
703 | imap = SCM_CAR (imap); |
704 | } | |
705 | i = SCM_INUM (imap); | |
706 | } | |
707 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
708 | indptr = inds; | |
709 | k = SCM_ARRAY_NDIM (ra); | |
710 | while (k--) | |
711 | { | |
712 | if (s[k].ubnd > s[k].lbnd) | |
713 | { | |
898a256f | 714 | SCM_SETCAR (indptr, SCM_MAKINUM (SCM_INUM (SCM_CAR (indptr)) + 1)); |
fdc28395 | 715 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd JB |
716 | if (SCM_ARRAYP (oldra)) |
717 | ||
1bbd0b84 | 718 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
719 | else |
720 | { | |
721 | if (SCM_NINUMP (imap)) | |
0f2d19dd | 722 | { |
b3fcac34 DH |
723 | if (scm_ilength (imap) != 1 || !SCM_INUMP (SCM_CAR (imap))) |
724 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
725 | imap = SCM_CAR (imap); |
726 | } | |
727 | s[k].inc = (long) SCM_INUM (imap) - i; | |
728 | } | |
729 | i += s[k].inc; | |
730 | if (s[k].inc > 0) | |
731 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
732 | else | |
733 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
734 | } | |
735 | else | |
736 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
737 | indptr = SCM_CDR (indptr); | |
738 | } | |
b3fcac34 DH |
739 | if (old_min > new_min || old_max < new_max) |
740 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
741 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
742 | { | |
74014c46 | 743 | SCM v = SCM_ARRAY_V (ra); |
c014a02e | 744 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
745 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
746 | return v; | |
0f2d19dd JB |
747 | if (s->ubnd < s->lbnd) |
748 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
749 | } | |
750 | scm_ra_set_contp (ra); | |
751 | return ra; | |
752 | } | |
1bbd0b84 | 753 | #undef FUNC_NAME |
0f2d19dd JB |
754 | |
755 | ||
756 | /* args are RA . DIMS */ | |
af45e3b0 DH |
757 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
758 | (SCM ra, SCM args), | |
1e6808ea MG |
759 | "Return an array sharing contents with @var{array}, but with\n" |
760 | "dimensions arranged in a different order. There must be one\n" | |
761 | "@var{dim} argument for each dimension of @var{array}.\n" | |
762 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
763 | "and the rank of the array to be returned. Each integer in that\n" | |
764 | "range must appear at least once in the argument list.\n" | |
765 | "\n" | |
766 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
767 | "dimensions in the array to be returned, their positions in the\n" | |
768 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
769 | "may have the same value, in which case the returned array will\n" | |
770 | "have smaller rank than @var{array}.\n" | |
771 | "\n" | |
772 | "@lisp\n" | |
b380b885 MD |
773 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
774 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
775 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
776 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 777 | "@end lisp") |
1bbd0b84 | 778 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 779 | { |
34d19ef6 HWN |
780 | SCM res, vargs; |
781 | SCM const *ve = &vargs; | |
92c2555f | 782 | scm_t_array_dim *s, *r; |
0f2d19dd | 783 | int ndim, i, k; |
af45e3b0 | 784 | |
b3fcac34 | 785 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 786 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
f5bf2977 | 787 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
788 | { |
789 | default: | |
276dd677 | 790 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
791 | case scm_tc7_bvect: |
792 | case scm_tc7_string: | |
793 | case scm_tc7_byvect: | |
794 | case scm_tc7_uvect: | |
795 | case scm_tc7_ivect: | |
796 | case scm_tc7_fvect: | |
797 | case scm_tc7_dvect: | |
798 | case scm_tc7_cvect: | |
799 | case scm_tc7_svect: | |
2a5cd898 | 800 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
801 | case scm_tc7_llvect: |
802 | #endif | |
b3fcac34 DH |
803 | if (SCM_NULLP (args) || !SCM_NULLP (SCM_CDR (args))) |
804 | SCM_WRONG_NUM_ARGS (); | |
805 | SCM_VALIDATE_INUM (SCM_ARG2, SCM_CAR (args)); | |
685c0d71 DH |
806 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), |
807 | SCM_EQ_P (SCM_INUM0, SCM_CAR (args))); | |
0f2d19dd JB |
808 | return ra; |
809 | case scm_tc7_smob: | |
810 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
811 | vargs = scm_vector (args); | |
b3fcac34 DH |
812 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
813 | SCM_WRONG_NUM_ARGS (); | |
814 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
815 | ndim = 0; |
816 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
817 | { | |
20a54673 | 818 | SCM_ASSERT (SCM_INUMP (ve[k]), ve[k], (SCM_ARG2 + k), |
1bbd0b84 | 819 | FUNC_NAME); |
0f2d19dd | 820 | i = SCM_INUM (ve[k]); |
685c0d71 DH |
821 | if (i < 0 || i >= SCM_ARRAY_NDIM (ra)) |
822 | scm_out_of_range (FUNC_NAME, ve[k]); | |
0f2d19dd JB |
823 | if (ndim < i) |
824 | ndim = i; | |
825 | } | |
826 | ndim++; | |
827 | res = scm_make_ra (ndim); | |
828 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
829 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
830 | for (k = ndim; k--;) | |
831 | { | |
832 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
833 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
834 | } | |
835 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
836 | { | |
837 | i = SCM_INUM (ve[k]); | |
838 | s = &(SCM_ARRAY_DIMS (ra)[k]); | |
839 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
840 | if (r->ubnd < r->lbnd) | |
841 | { | |
842 | r->lbnd = s->lbnd; | |
843 | r->ubnd = s->ubnd; | |
844 | r->inc = s->inc; | |
845 | ndim--; | |
846 | } | |
847 | else | |
848 | { | |
849 | if (r->ubnd > s->ubnd) | |
850 | r->ubnd = s->ubnd; | |
851 | if (r->lbnd < s->lbnd) | |
852 | { | |
853 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
854 | r->lbnd = s->lbnd; | |
855 | } | |
856 | r->inc += s->inc; | |
857 | } | |
858 | } | |
b3fcac34 DH |
859 | if (ndim > 0) |
860 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
861 | scm_ra_set_contp (res); |
862 | return res; | |
863 | } | |
864 | } | |
1bbd0b84 | 865 | #undef FUNC_NAME |
0f2d19dd JB |
866 | |
867 | /* args are RA . AXES */ | |
af45e3b0 DH |
868 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
869 | (SCM ra, SCM axes), | |
b380b885 MD |
870 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
871 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
872 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
873 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
874 | "the dimensions of the outer array are the same as those of the original\n" | |
875 | "array that did not match a @var{dim}.\n\n" | |
876 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
877 | "be set using @code{array-set!}. Two references to the same element of\n" | |
878 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
879 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
880 | "enclosed array is unspecified.\n\n" | |
881 | "examples:\n" | |
1e6808ea | 882 | "@lisp\n" |
b380b885 MD |
883 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
884 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
885 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
886 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 887 | "@end lisp") |
1bbd0b84 | 888 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 889 | { |
af45e3b0 | 890 | SCM axv, res, ra_inr; |
92c2555f | 891 | scm_t_array_dim vdim, *s = &vdim; |
0f2d19dd | 892 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 893 | |
b3fcac34 | 894 | SCM_VALIDATE_REST_ARGUMENT (axes); |
0f2d19dd | 895 | if (SCM_NULLP (axes)) |
0f2d19dd JB |
896 | axes = scm_cons ((SCM_ARRAYP (ra) ? SCM_MAKINUM (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
897 | ninr = scm_ilength (axes); | |
b3fcac34 DH |
898 | if (ninr < 0) |
899 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
900 | ra_inr = scm_make_ra (ninr); |
901 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
74014c46 | 902 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
903 | { |
904 | default: | |
276dd677 | 905 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
906 | case scm_tc7_string: |
907 | case scm_tc7_bvect: | |
908 | case scm_tc7_byvect: | |
909 | case scm_tc7_uvect: | |
910 | case scm_tc7_ivect: | |
911 | case scm_tc7_fvect: | |
912 | case scm_tc7_dvect: | |
913 | case scm_tc7_cvect: | |
914 | case scm_tc7_vector: | |
95f5b0f5 | 915 | case scm_tc7_wvect: |
0f2d19dd | 916 | case scm_tc7_svect: |
2a5cd898 | 917 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
918 | case scm_tc7_llvect: |
919 | #endif | |
920 | s->lbnd = 0; | |
74014c46 | 921 | s->ubnd = SCM_INUM (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
922 | s->inc = 1; |
923 | SCM_ARRAY_V (ra_inr) = ra; | |
924 | SCM_ARRAY_BASE (ra_inr) = 0; | |
925 | ndim = 1; | |
926 | break; | |
927 | case scm_tc7_smob: | |
928 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
929 | s = SCM_ARRAY_DIMS (ra); | |
930 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
931 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
932 | ndim = SCM_ARRAY_NDIM (ra); | |
933 | break; | |
934 | } | |
935 | noutr = ndim - ninr; | |
b3fcac34 DH |
936 | if (noutr < 0) |
937 | SCM_WRONG_NUM_ARGS (); | |
7866a09b | 938 | axv = scm_make_string (SCM_MAKINUM (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
939 | res = scm_make_ra (noutr); |
940 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
941 | SCM_ARRAY_V (res) = ra_inr; | |
942 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
943 | { | |
b3fcac34 DH |
944 | if (!SCM_INUMP (SCM_CAR (axes))) |
945 | SCM_MISC_ERROR ("bad axis", SCM_EOL); | |
0f2d19dd JB |
946 | j = SCM_INUM (SCM_CAR (axes)); |
947 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; | |
948 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
949 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
405aaef9 | 950 | SCM_STRING_CHARS (axv)[j] = 1; |
0f2d19dd JB |
951 | } |
952 | for (j = 0, k = 0; k < noutr; k++, j++) | |
953 | { | |
405aaef9 | 954 | while (SCM_STRING_CHARS (axv)[j]) |
0f2d19dd JB |
955 | j++; |
956 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
957 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
958 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
959 | } | |
960 | scm_ra_set_contp (ra_inr); | |
961 | scm_ra_set_contp (res); | |
962 | return res; | |
963 | } | |
1bbd0b84 | 964 | #undef FUNC_NAME |
0f2d19dd JB |
965 | |
966 | ||
967 | ||
af45e3b0 DH |
968 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
969 | (SCM v, SCM args), | |
1e6808ea MG |
970 | "Return @code{#t} if its arguments would be acceptable to\n" |
971 | "@code{array-ref}.") | |
1bbd0b84 | 972 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 973 | { |
af45e3b0 | 974 | SCM ind = SCM_EOL; |
c014a02e | 975 | long pos = 0; |
1be6b49c | 976 | register size_t k; |
c014a02e | 977 | register long j; |
92c2555f | 978 | scm_t_array_dim *s; |
af45e3b0 | 979 | |
b3fcac34 | 980 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
981 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
982 | if (SCM_NIMP (args)) | |
983 | ||
984 | { | |
985 | ind = SCM_CAR (args); | |
986 | args = SCM_CDR (args); | |
1bbd0b84 | 987 | SCM_ASSERT (SCM_INUMP (ind), ind, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
988 | pos = SCM_INUM (ind); |
989 | } | |
990 | tail: | |
74014c46 | 991 | switch SCM_TYP7 (v) |
0f2d19dd JB |
992 | { |
993 | default: | |
276dd677 | 994 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 995 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
996 | case scm_tc7_smob: |
997 | k = SCM_ARRAY_NDIM (v); | |
998 | s = SCM_ARRAY_DIMS (v); | |
999 | pos = SCM_ARRAY_BASE (v); | |
1000 | if (!k) | |
1001 | { | |
1002 | SCM_ASRTGO (SCM_NULLP (ind), wna); | |
1003 | ind = SCM_INUM0; | |
1004 | } | |
1005 | else | |
1006 | while (!0) | |
1007 | { | |
1008 | j = SCM_INUM (ind); | |
1009 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) | |
1010 | { | |
1011 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
1012 | return SCM_BOOL_F; | |
1013 | } | |
1014 | pos += (j - s->lbnd) * (s->inc); | |
1015 | if (!(--k && SCM_NIMP (args))) | |
1016 | break; | |
1017 | ind = SCM_CAR (args); | |
1018 | args = SCM_CDR (args); | |
1019 | s++; | |
b3fcac34 DH |
1020 | if (!SCM_INUMP (ind)) |
1021 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); | |
0f2d19dd JB |
1022 | } |
1023 | SCM_ASRTGO (0 == k, wna); | |
1024 | v = SCM_ARRAY_V (v); | |
1025 | goto tail; | |
1026 | case scm_tc7_bvect: | |
1027 | case scm_tc7_string: | |
1028 | case scm_tc7_byvect: | |
1029 | case scm_tc7_uvect: | |
1030 | case scm_tc7_ivect: | |
1031 | case scm_tc7_fvect: | |
1032 | case scm_tc7_dvect: | |
1033 | case scm_tc7_cvect: | |
1034 | case scm_tc7_svect: | |
2a5cd898 | 1035 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1036 | case scm_tc7_llvect: |
1037 | #endif | |
1038 | case scm_tc7_vector: | |
95f5b0f5 | 1039 | case scm_tc7_wvect: |
74014c46 | 1040 | { |
c014a02e | 1041 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1042 | SCM_ASRTGO (SCM_NULLP (args) && SCM_INUMP (ind), wna); |
1043 | return SCM_BOOL(pos >= 0 && pos < length); | |
1044 | } | |
0f2d19dd JB |
1045 | } |
1046 | } | |
1bbd0b84 | 1047 | #undef FUNC_NAME |
0f2d19dd JB |
1048 | |
1049 | ||
1bbd0b84 | 1050 | SCM_REGISTER_PROC(s_array_ref, "array-ref", 1, 0, 1, scm_uniform_vector_ref); |
1cc91f1b | 1051 | |
1bbd0b84 | 1052 | |
3b3b36dd | 1053 | SCM_DEFINE (scm_uniform_vector_ref, "uniform-vector-ref", 2, 0, 0, |
1bbd0b84 | 1054 | (SCM v, SCM args), |
8f85c0c6 | 1055 | "@deffnx {Scheme Procedure} array-ref v . args\n" |
1e6808ea MG |
1056 | "Return the element at the @code{(index1, index2)} element in\n" |
1057 | "@var{array}.") | |
1bbd0b84 | 1058 | #define FUNC_NAME s_scm_uniform_vector_ref |
0f2d19dd | 1059 | { |
c014a02e | 1060 | long pos; |
0f2d19dd | 1061 | |
35de7ebe | 1062 | if (SCM_IMP (v)) |
0f2d19dd JB |
1063 | { |
1064 | SCM_ASRTGO (SCM_NULLP (args), badarg); | |
1065 | return v; | |
1066 | } | |
1067 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1068 | { |
1bbd0b84 | 1069 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1070 | v = SCM_ARRAY_V (v); |
1071 | } | |
1072 | else | |
1073 | { | |
c014a02e | 1074 | unsigned long int length; |
0f2d19dd | 1075 | if (SCM_NIMP (args)) |
0f2d19dd | 1076 | { |
1bbd0b84 | 1077 | SCM_ASSERT (SCM_CONSP (args) && SCM_INUMP (SCM_CAR (args)), args, SCM_ARG2, FUNC_NAME); |
0f2d19dd JB |
1078 | pos = SCM_INUM (SCM_CAR (args)); |
1079 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); | |
1080 | } | |
1081 | else | |
1082 | { | |
34d19ef6 | 1083 | SCM_VALIDATE_INUM (2, args); |
0f2d19dd JB |
1084 | pos = SCM_INUM (args); |
1085 | } | |
74014c46 DH |
1086 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1087 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd | 1088 | } |
74014c46 | 1089 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1090 | { |
1091 | default: | |
1092 | if (SCM_NULLP (args)) | |
1093 | return v; | |
35de7ebe | 1094 | badarg: |
276dd677 DH |
1095 | SCM_WRONG_TYPE_ARG (1, v); |
1096 | /* not reached */ | |
c209c88e GB |
1097 | |
1098 | outrng: | |
1099 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1100 | wna: | |
b3fcac34 | 1101 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1102 | case scm_tc7_smob: |
1103 | { /* enclosed */ | |
1104 | int k = SCM_ARRAY_NDIM (v); | |
1105 | SCM res = scm_make_ra (k); | |
1106 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1107 | SCM_ARRAY_BASE (res) = pos; | |
1108 | while (k--) | |
1109 | { | |
1110 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1111 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1112 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1113 | } | |
1114 | return res; | |
1115 | } | |
1116 | case scm_tc7_bvect: | |
c209c88e | 1117 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1118 | return SCM_BOOL_T; |
1119 | else | |
1120 | return SCM_BOOL_F; | |
1121 | case scm_tc7_string: | |
322ac0c5 | 1122 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1123 | case scm_tc7_byvect: |
405aaef9 | 1124 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1125 | case scm_tc7_uvect: |
fee7ef83 | 1126 | return scm_ulong2num (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1127 | case scm_tc7_ivect: |
1be6b49c | 1128 | return scm_long2num (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd JB |
1129 | |
1130 | case scm_tc7_svect: | |
4260a7fc | 1131 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1132 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1133 | case scm_tc7_llvect: |
1be6b49c | 1134 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1135 | #endif |
1136 | ||
0f2d19dd | 1137 | case scm_tc7_fvect: |
4260a7fc | 1138 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1139 | case scm_tc7_dvect: |
4260a7fc | 1140 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1141 | case scm_tc7_cvect: |
4260a7fc DH |
1142 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1143 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1144 | case scm_tc7_vector: |
95f5b0f5 | 1145 | case scm_tc7_wvect: |
0f2d19dd JB |
1146 | return SCM_VELTS (v)[pos]; |
1147 | } | |
1148 | } | |
1bbd0b84 | 1149 | #undef FUNC_NAME |
0f2d19dd JB |
1150 | |
1151 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1152 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1153 | |
0f2d19dd | 1154 | SCM |
c014a02e | 1155 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1156 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1157 | { |
5c11cc9d | 1158 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1159 | { |
1160 | default: | |
db4b4ca6 | 1161 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1162 | case scm_tc7_bvect: |
34d19ef6 | 1163 | if (SCM_BITVEC_REF(v, pos)) |
0f2d19dd JB |
1164 | return SCM_BOOL_T; |
1165 | else | |
1166 | return SCM_BOOL_F; | |
1167 | case scm_tc7_string: | |
322ac0c5 | 1168 | return SCM_MAKE_CHAR (SCM_STRING_UCHARS (v)[pos]); |
0f2d19dd | 1169 | case scm_tc7_byvect: |
405aaef9 | 1170 | return SCM_MAKINUM (((char *) SCM_UVECTOR_BASE (v))[pos]); |
0f2d19dd | 1171 | case scm_tc7_uvect: |
fee7ef83 | 1172 | return scm_ulong2num(((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1173 | case scm_tc7_ivect: |
fee7ef83 | 1174 | return scm_long2num(((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1175 | case scm_tc7_svect: |
4260a7fc | 1176 | return SCM_MAKINUM (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1177 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1178 | case scm_tc7_llvect: |
1be6b49c | 1179 | return scm_long_long2num (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1180 | #endif |
0f2d19dd | 1181 | case scm_tc7_fvect: |
3ea39242 | 1182 | if (SCM_REALP (last) && !SCM_EQ_P (last, scm_flo0)) |
0f2d19dd | 1183 | { |
4260a7fc | 1184 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1185 | return last; |
1186 | } | |
4260a7fc | 1187 | return scm_make_real (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1188 | case scm_tc7_dvect: |
3ea39242 | 1189 | if (SCM_REALP (last) && !SCM_EQ_P (last, scm_flo0)) |
0f2d19dd | 1190 | { |
4260a7fc | 1191 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1192 | return last; |
1193 | } | |
4260a7fc | 1194 | return scm_make_real (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1195 | case scm_tc7_cvect: |
3ea39242 | 1196 | if (SCM_COMPLEXP (last)) |
0f2d19dd | 1197 | { |
4260a7fc DH |
1198 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1199 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1200 | return last; |
1201 | } | |
4260a7fc DH |
1202 | return scm_make_complex (((double *) SCM_CELL_WORD_1 (v))[2 * pos], |
1203 | ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]); | |
0f2d19dd | 1204 | case scm_tc7_vector: |
95f5b0f5 | 1205 | case scm_tc7_wvect: |
0f2d19dd JB |
1206 | return SCM_VELTS (v)[pos]; |
1207 | case scm_tc7_smob: | |
1208 | { /* enclosed scm_array */ | |
1209 | int k = SCM_ARRAY_NDIM (v); | |
1210 | SCM res = scm_make_ra (k); | |
1211 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1212 | SCM_ARRAY_BASE (res) = pos; | |
1213 | while (k--) | |
1214 | { | |
1215 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1216 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1217 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1218 | } | |
1219 | return res; | |
1220 | } | |
1221 | } | |
1222 | } | |
db4b4ca6 DH |
1223 | #undef FUNC_NAME |
1224 | ||
0f2d19dd | 1225 | |
1bbd0b84 GB |
1226 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1227 | ||
1cc91f1b | 1228 | |
0aa0871f GH |
1229 | /* Note that args may be a list or an immediate object, depending which |
1230 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1231 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1232 | (SCM v, SCM obj, SCM args), |
8f85c0c6 NJ |
1233 | "@deffnx {Scheme Procedure} uniform-array-set1! v obj args\n" |
1234 | "Set the element at the @code{(index1, index2)} element in @var{array} to\n" | |
b380b885 | 1235 | "@var{new-value}. The value returned by array-set! is unspecified.") |
1bbd0b84 | 1236 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1237 | { |
c014a02e | 1238 | long pos = 0; |
b3fcac34 | 1239 | |
0f2d19dd JB |
1240 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1241 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1242 | { |
1bbd0b84 | 1243 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1244 | v = SCM_ARRAY_V (v); |
1245 | } | |
1246 | else | |
1247 | { | |
c014a02e | 1248 | unsigned long int length; |
9a97e362 | 1249 | if (SCM_CONSP (args)) |
0f2d19dd | 1250 | { |
9a97e362 | 1251 | SCM_ASSERT (SCM_INUMP (SCM_CAR (args)), args, SCM_ARG3, FUNC_NAME); |
0f2d19dd | 1252 | SCM_ASRTGO (SCM_NULLP (SCM_CDR (args)), wna); |
0aa0871f | 1253 | pos = SCM_INUM (SCM_CAR (args)); |
0f2d19dd JB |
1254 | } |
1255 | else | |
1256 | { | |
34d19ef6 | 1257 | SCM_VALIDATE_INUM_COPY (3, args, pos); |
0f2d19dd | 1258 | } |
74014c46 DH |
1259 | length = SCM_INUM (scm_uniform_vector_length (v)); |
1260 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); | |
0f2d19dd JB |
1261 | } |
1262 | switch (SCM_TYP7 (v)) | |
1263 | { | |
35de7ebe | 1264 | default: badarg1: |
276dd677 DH |
1265 | SCM_WRONG_TYPE_ARG (1, v); |
1266 | /* not reached */ | |
c209c88e GB |
1267 | outrng: |
1268 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (pos)); | |
1269 | wna: | |
b3fcac34 | 1270 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1271 | case scm_tc7_smob: /* enclosed */ |
1272 | goto badarg1; | |
1273 | case scm_tc7_bvect: | |
4260a7fc | 1274 | if (SCM_FALSEP (obj)) |
34d19ef6 | 1275 | SCM_BITVEC_CLR(v, pos); |
9a09deb1 | 1276 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
34d19ef6 | 1277 | SCM_BITVEC_SET(v, pos); |
0f2d19dd | 1278 | else |
276dd677 | 1279 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1280 | break; |
1281 | case scm_tc7_string: | |
7866a09b | 1282 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
322ac0c5 | 1283 | SCM_STRING_UCHARS (v)[pos] = SCM_CHAR (obj); |
0f2d19dd JB |
1284 | break; |
1285 | case scm_tc7_byvect: | |
7866a09b GB |
1286 | if (SCM_CHARP (obj)) |
1287 | obj = SCM_MAKINUM ((char) SCM_CHAR (obj)); | |
0aa0871f | 1288 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
405aaef9 | 1289 | ((char *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1290 | break; |
1bbd0b84 | 1291 | case scm_tc7_uvect: |
729dbac3 DH |
1292 | ((unsigned long *) SCM_UVECTOR_BASE (v))[pos] |
1293 | = scm_num2ulong (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1294 | break; |
1bbd0b84 | 1295 | case scm_tc7_ivect: |
729dbac3 DH |
1296 | ((long *) SCM_UVECTOR_BASE (v))[pos] |
1297 | = scm_num2long (obj, SCM_ARG2, FUNC_NAME); | |
c209c88e | 1298 | break; |
0f2d19dd | 1299 | case scm_tc7_svect: |
0aa0871f | 1300 | SCM_ASRTGO (SCM_INUMP (obj), badobj); |
729dbac3 | 1301 | ((short *) SCM_UVECTOR_BASE (v))[pos] = SCM_INUM (obj); |
0f2d19dd | 1302 | break; |
2a5cd898 | 1303 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1304 | case scm_tc7_llvect: |
729dbac3 DH |
1305 | ((long long *) SCM_UVECTOR_BASE (v))[pos] |
1306 | = scm_num2long_long (obj, SCM_ARG2, FUNC_NAME); | |
0f2d19dd JB |
1307 | break; |
1308 | #endif | |
0f2d19dd | 1309 | case scm_tc7_fvect: |
729dbac3 DH |
1310 | ((float *) SCM_UVECTOR_BASE (v))[pos] |
1311 | = (float) scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd | 1312 | break; |
0f2d19dd | 1313 | case scm_tc7_dvect: |
729dbac3 DH |
1314 | ((double *) SCM_UVECTOR_BASE (v))[pos] |
1315 | = scm_num2dbl (obj, FUNC_NAME); | |
0f2d19dd JB |
1316 | break; |
1317 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1318 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1319 | if (SCM_REALP (obj)) { | |
729dbac3 DH |
1320 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_REAL_VALUE (obj); |
1321 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = 0.0; | |
eb42e2f0 | 1322 | } else { |
729dbac3 DH |
1323 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_COMPLEX_REAL (obj); |
1324 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
eb42e2f0 | 1325 | } |
0f2d19dd | 1326 | break; |
0f2d19dd | 1327 | case scm_tc7_vector: |
95f5b0f5 | 1328 | case scm_tc7_wvect: |
34d19ef6 | 1329 | SCM_VECTOR_SET (v, pos, obj); |
0f2d19dd JB |
1330 | break; |
1331 | } | |
1332 | return SCM_UNSPECIFIED; | |
1333 | } | |
1bbd0b84 | 1334 | #undef FUNC_NAME |
0f2d19dd | 1335 | |
1d7bdb25 GH |
1336 | /* attempts to unroll an array into a one-dimensional array. |
1337 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1338 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1339 | wouldn't have contiguous elements. */ |
3b3b36dd | 1340 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1341 | (SCM ra, SCM strict), |
b380b885 MD |
1342 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" |
1343 | "without changing their order (last subscript changing fastest), then\n" | |
1344 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1345 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1346 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1347 | "@var{make-shared-array} may not be.\n\n" | |
1348 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1349 | "be returned only if its elements are stored internally contiguous in\n" | |
1350 | "memory.") | |
1bbd0b84 | 1351 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1352 | { |
1353 | SCM sra; | |
1354 | if (SCM_IMP (ra)) | |
f3667f52 | 1355 | return SCM_BOOL_F; |
5c11cc9d | 1356 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1357 | { |
1358 | default: | |
1359 | return SCM_BOOL_F; | |
1360 | case scm_tc7_vector: | |
95f5b0f5 | 1361 | case scm_tc7_wvect: |
0f2d19dd JB |
1362 | case scm_tc7_string: |
1363 | case scm_tc7_bvect: | |
1364 | case scm_tc7_byvect: | |
1365 | case scm_tc7_uvect: | |
1366 | case scm_tc7_ivect: | |
1367 | case scm_tc7_fvect: | |
1368 | case scm_tc7_dvect: | |
1369 | case scm_tc7_cvect: | |
1370 | case scm_tc7_svect: | |
2a5cd898 | 1371 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1372 | case scm_tc7_llvect: |
1373 | #endif | |
1374 | return ra; | |
1375 | case scm_tc7_smob: | |
1376 | { | |
c014a02e | 1377 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1378 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1379 | return SCM_BOOL_F; | |
1380 | for (k = 0; k < ndim; k++) | |
1381 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1382 | if (!SCM_UNBNDP (strict)) | |
1383 | { | |
0f2d19dd JB |
1384 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1385 | return SCM_BOOL_F; | |
1386 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1387 | { | |
74014c46 | 1388 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1389 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1390 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1391 | return SCM_BOOL_F; |
1392 | } | |
1393 | } | |
74014c46 DH |
1394 | |
1395 | { | |
1396 | SCM v = SCM_ARRAY_V (ra); | |
c014a02e | 1397 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (v)); |
74014c46 DH |
1398 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1399 | return v; | |
1400 | } | |
1401 | ||
0f2d19dd JB |
1402 | sra = scm_make_ra (1); |
1403 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1404 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1405 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1406 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1407 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1408 | return sra; | |
1409 | } | |
1410 | } | |
1411 | } | |
1bbd0b84 | 1412 | #undef FUNC_NAME |
0f2d19dd | 1413 | |
1cc91f1b | 1414 | |
0f2d19dd | 1415 | SCM |
6e8d25a6 | 1416 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1417 | { |
1418 | SCM ret; | |
c014a02e ML |
1419 | long inc = 1; |
1420 | size_t k, len = 1; | |
0f2d19dd JB |
1421 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1422 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1423 | k = SCM_ARRAY_NDIM (ra); | |
1424 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1425 | { | |
74014c46 | 1426 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1427 | return ra; |
74014c46 | 1428 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1429 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1430 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1431 | return ra; |
1432 | } | |
1433 | ret = scm_make_ra (k); | |
1434 | SCM_ARRAY_BASE (ret) = 0; | |
1435 | while (k--) | |
1436 | { | |
1437 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1438 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1439 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1440 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1441 | } | |
08112c95 | 1442 | SCM_ARRAY_V (ret) = scm_make_uve (inc, scm_array_prototype (ra)); |
0f2d19dd JB |
1443 | if (copy) |
1444 | scm_array_copy_x (ra, ret); | |
1445 | return ret; | |
1446 | } | |
1447 | ||
1448 | ||
1449 | ||
3b3b36dd | 1450 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1451 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 NJ |
1452 | "@deffnx {Scheme Procedure} uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1453 | "Attempt to read all elements of @var{ura}, in lexicographic order, as\n" | |
b380b885 | 1454 | "binary objects from @var{port-or-fdes}.\n" |
8f85c0c6 NJ |
1455 | "If an end of file is encountered,\n" |
1456 | "the objects up to that point are put into @var{ura}\n" | |
b380b885 MD |
1457 | "(starting at the beginning) and the remainder of the array is\n" |
1458 | "unchanged.\n\n" | |
1459 | "The optional arguments @var{start} and @var{end} allow\n" | |
1460 | "a specified region of a vector (or linearized array) to be read,\n" | |
1461 | "leaving the remainder of the vector unchanged.\n\n" | |
1462 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1463 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1464 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1465 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1466 | { |
35de7ebe | 1467 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1468 | long sz, vlen, ans; |
1469 | long cstart = 0; | |
1470 | long cend; | |
1471 | long offset = 0; | |
405aaef9 | 1472 | char *base; |
35de7ebe | 1473 | |
0f2d19dd | 1474 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1475 | if (SCM_UNBNDP (port_or_fd)) |
1476 | port_or_fd = scm_cur_inp; | |
1477 | else | |
1478 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1479 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1480 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1481 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1482 | ? 0 | |
1483 | : SCM_INUM (scm_uniform_vector_length (v))); | |
35de7ebe | 1484 | |
0f2d19dd | 1485 | loop: |
35de7ebe | 1486 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1487 | { |
1488 | default: | |
276dd677 | 1489 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd JB |
1490 | case scm_tc7_smob: |
1491 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1492 | cra = scm_ra2contig (ra, 0); | |
1146b6cd | 1493 | cstart += SCM_ARRAY_BASE (cra); |
3d8d56df | 1494 | vlen = SCM_ARRAY_DIMS (cra)->inc * |
0f2d19dd JB |
1495 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); |
1496 | v = SCM_ARRAY_V (cra); | |
1497 | goto loop; | |
1498 | case scm_tc7_string: | |
74014c46 | 1499 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1500 | sz = sizeof (char); |
1501 | break; | |
1502 | case scm_tc7_bvect: | |
74014c46 | 1503 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1504 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1505 | cstart /= SCM_LONG_BIT; | |
1506 | sz = sizeof (long); | |
74014c46 DH |
1507 | break; |
1508 | case scm_tc7_byvect: | |
1509 | base = (char *) SCM_UVECTOR_BASE (v); | |
1510 | sz = sizeof (char); | |
1511 | break; | |
0f2d19dd JB |
1512 | case scm_tc7_uvect: |
1513 | case scm_tc7_ivect: | |
74014c46 | 1514 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1515 | sz = sizeof (long); |
1516 | break; | |
1517 | case scm_tc7_svect: | |
74014c46 | 1518 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1519 | sz = sizeof (short); |
1520 | break; | |
2a5cd898 | 1521 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1522 | case scm_tc7_llvect: |
74014c46 | 1523 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1524 | sz = sizeof (long long); |
0f2d19dd JB |
1525 | break; |
1526 | #endif | |
0f2d19dd | 1527 | case scm_tc7_fvect: |
74014c46 | 1528 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1529 | sz = sizeof (float); |
1530 | break; | |
0f2d19dd | 1531 | case scm_tc7_dvect: |
74014c46 | 1532 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1533 | sz = sizeof (double); |
1534 | break; | |
1535 | case scm_tc7_cvect: | |
74014c46 | 1536 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1537 | sz = 2 * sizeof (double); |
1538 | break; | |
0f2d19dd | 1539 | } |
405aaef9 | 1540 | |
1146b6cd GH |
1541 | cend = vlen; |
1542 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1543 | { |
1146b6cd | 1544 | offset = |
c014a02e | 1545 | SCM_NUM2LONG (3, start); |
35de7ebe | 1546 | |
1146b6cd | 1547 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1548 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1549 | |
1550 | if (!SCM_UNBNDP (end)) | |
1551 | { | |
c014a02e ML |
1552 | long tend = |
1553 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1554 | |
1146b6cd | 1555 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1556 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1557 | cend = tend; |
1558 | } | |
0f2d19dd | 1559 | } |
35de7ebe | 1560 | |
3d8d56df GH |
1561 | if (SCM_NIMP (port_or_fd)) |
1562 | { | |
92c2555f | 1563 | scm_t_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1564 | int remaining = (cend - offset) * sz; |
405aaef9 | 1565 | char *dest = base + (cstart + offset) * sz; |
6c951427 GH |
1566 | |
1567 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1568 | scm_flush (port_or_fd); |
6c951427 GH |
1569 | |
1570 | ans = cend - offset; | |
1571 | while (remaining > 0) | |
3d8d56df | 1572 | { |
6c951427 GH |
1573 | if (pt->read_pos < pt->read_end) |
1574 | { | |
1575 | int to_copy = min (pt->read_end - pt->read_pos, | |
1576 | remaining); | |
1577 | ||
1578 | memcpy (dest, pt->read_pos, to_copy); | |
1579 | pt->read_pos += to_copy; | |
1580 | remaining -= to_copy; | |
1581 | dest += to_copy; | |
1582 | } | |
1583 | else | |
1584 | { | |
affc96b5 | 1585 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1586 | { |
1587 | if (remaining % sz != 0) | |
1588 | { | |
5d2d2ffc | 1589 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1590 | } |
1591 | ans -= remaining / sz; | |
1592 | break; | |
1593 | } | |
6c951427 | 1594 | } |
3d8d56df | 1595 | } |
6c951427 GH |
1596 | |
1597 | if (pt->rw_random) | |
1598 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1599 | } |
1600 | else /* file descriptor. */ | |
1601 | { | |
1602 | SCM_SYSCALL (ans = read (SCM_INUM (port_or_fd), | |
405aaef9 | 1603 | base + (cstart + offset) * sz, |
1be6b49c | 1604 | (sz * (cend - offset)))); |
3d8d56df | 1605 | if (ans == -1) |
1bbd0b84 | 1606 | SCM_SYSERROR; |
3d8d56df | 1607 | } |
0f2d19dd | 1608 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1609 | ans *= SCM_LONG_BIT; |
35de7ebe | 1610 | |
fee7ef83 | 1611 | if (!SCM_EQ_P (v, ra) && !SCM_EQ_P (cra, ra)) |
0f2d19dd | 1612 | scm_array_copy_x (cra, ra); |
35de7ebe | 1613 | |
0f2d19dd JB |
1614 | return SCM_MAKINUM (ans); |
1615 | } | |
1bbd0b84 | 1616 | #undef FUNC_NAME |
0f2d19dd | 1617 | |
3b3b36dd | 1618 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1619 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 | 1620 | "@deffnx {Scheme Procedure} uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
b380b885 MD |
1621 | "Writes all elements of @var{ura} as binary objects to\n" |
1622 | "@var{port-or-fdes}.\n\n" | |
1623 | "The optional arguments @var{start}\n" | |
1624 | "and @var{end} allow\n" | |
1625 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
9401323e | 1626 | "The number of objects actually written is returned.\n" |
b380b885 MD |
1627 | "@var{port-or-fdes} may be\n" |
1628 | "omitted, in which case it defaults to the value returned by\n" | |
1629 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1630 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1631 | { |
c014a02e ML |
1632 | long sz, vlen, ans; |
1633 | long offset = 0; | |
1634 | long cstart = 0; | |
1635 | long cend; | |
405aaef9 | 1636 | char *base; |
3d8d56df | 1637 | |
78446828 MV |
1638 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1639 | ||
0f2d19dd | 1640 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1641 | if (SCM_UNBNDP (port_or_fd)) |
1642 | port_or_fd = scm_cur_outp; | |
1643 | else | |
1644 | SCM_ASSERT (SCM_INUMP (port_or_fd) | |
0c95b57d | 1645 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1646 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1647 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1648 | ? 0 | |
1649 | : SCM_INUM (scm_uniform_vector_length (v))); | |
1650 | ||
0f2d19dd | 1651 | loop: |
3d8d56df | 1652 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1653 | { |
1654 | default: | |
276dd677 | 1655 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
1656 | case scm_tc7_smob: |
1657 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1658 | v = scm_ra2contig (v, 1); | |
1146b6cd | 1659 | cstart = SCM_ARRAY_BASE (v); |
d245ce23 MD |
1660 | vlen = (SCM_ARRAY_DIMS (v)->inc |
1661 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1)); | |
0f2d19dd JB |
1662 | v = SCM_ARRAY_V (v); |
1663 | goto loop; | |
0f2d19dd | 1664 | case scm_tc7_string: |
74014c46 | 1665 | base = SCM_STRING_CHARS (v); |
0f2d19dd JB |
1666 | sz = sizeof (char); |
1667 | break; | |
1668 | case scm_tc7_bvect: | |
74014c46 | 1669 | base = (char *) SCM_BITVECTOR_BASE (v); |
c014a02e ML |
1670 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; |
1671 | cstart /= SCM_LONG_BIT; | |
1672 | sz = sizeof (long); | |
74014c46 DH |
1673 | break; |
1674 | case scm_tc7_byvect: | |
1675 | base = (char *) SCM_UVECTOR_BASE (v); | |
1676 | sz = sizeof (char); | |
1677 | break; | |
0f2d19dd JB |
1678 | case scm_tc7_uvect: |
1679 | case scm_tc7_ivect: | |
74014c46 | 1680 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1681 | sz = sizeof (long); |
1682 | break; | |
1683 | case scm_tc7_svect: | |
74014c46 | 1684 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1685 | sz = sizeof (short); |
1686 | break; | |
2a5cd898 | 1687 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1688 | case scm_tc7_llvect: |
74014c46 | 1689 | base = (char *) SCM_UVECTOR_BASE (v); |
1be6b49c | 1690 | sz = sizeof (long long); |
0f2d19dd JB |
1691 | break; |
1692 | #endif | |
0f2d19dd | 1693 | case scm_tc7_fvect: |
74014c46 | 1694 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1695 | sz = sizeof (float); |
1696 | break; | |
0f2d19dd | 1697 | case scm_tc7_dvect: |
74014c46 | 1698 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1699 | sz = sizeof (double); |
1700 | break; | |
1701 | case scm_tc7_cvect: | |
74014c46 | 1702 | base = (char *) SCM_UVECTOR_BASE (v); |
0f2d19dd JB |
1703 | sz = 2 * sizeof (double); |
1704 | break; | |
0f2d19dd | 1705 | } |
3d8d56df | 1706 | |
1146b6cd GH |
1707 | cend = vlen; |
1708 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1709 | { |
1146b6cd | 1710 | offset = |
c014a02e | 1711 | SCM_NUM2LONG (3, start); |
3d8d56df | 1712 | |
1146b6cd | 1713 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1714 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1715 | |
1716 | if (!SCM_UNBNDP (end)) | |
1717 | { | |
c014a02e ML |
1718 | long tend = |
1719 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1720 | |
1146b6cd | 1721 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1722 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1723 | cend = tend; |
1724 | } | |
3d8d56df GH |
1725 | } |
1726 | ||
1727 | if (SCM_NIMP (port_or_fd)) | |
1728 | { | |
405aaef9 | 1729 | char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1730 | |
1731 | ans = cend - offset; | |
265e6a4d | 1732 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1733 | } |
1734 | else /* file descriptor. */ | |
1735 | { | |
1736 | SCM_SYSCALL (ans = write (SCM_INUM (port_or_fd), | |
405aaef9 | 1737 | base + (cstart + offset) * sz, |
1be6b49c | 1738 | (sz * (cend - offset)))); |
3d8d56df | 1739 | if (ans == -1) |
1bbd0b84 | 1740 | SCM_SYSERROR; |
3d8d56df | 1741 | } |
0f2d19dd | 1742 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1743 | ans *= SCM_LONG_BIT; |
3d8d56df | 1744 | |
0f2d19dd JB |
1745 | return SCM_MAKINUM (ans); |
1746 | } | |
1bbd0b84 | 1747 | #undef FUNC_NAME |
0f2d19dd JB |
1748 | |
1749 | ||
1750 | static char cnt_tab[16] = | |
1751 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1752 | ||
3b3b36dd | 1753 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1754 | (SCM b, SCM bitvector), |
1e6808ea | 1755 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1756 | "@var{bitvector}.") |
1bbd0b84 | 1757 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1758 | { |
44e47754 | 1759 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1760 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1761 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1762 | return SCM_INUM0; |
1763 | } else { | |
c014a02e ML |
1764 | unsigned long int count = 0; |
1765 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1766 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
44e47754 DH |
1767 | if (SCM_FALSEP (b)) { |
1768 | w = ~w; | |
1769 | }; | |
c014a02e | 1770 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1771 | while (1) { |
1772 | while (w) { | |
1773 | count += cnt_tab[w & 0x0f]; | |
1774 | w >>= 4; | |
1775 | } | |
1776 | if (i == 0) { | |
1777 | return SCM_MAKINUM (count); | |
1778 | } else { | |
1779 | --i; | |
1780 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
1781 | if (SCM_FALSEP (b)) { | |
1782 | w = ~w; | |
0f2d19dd | 1783 | } |
44e47754 | 1784 | } |
0f2d19dd | 1785 | } |
44e47754 | 1786 | } |
0f2d19dd | 1787 | } |
1bbd0b84 | 1788 | #undef FUNC_NAME |
0f2d19dd JB |
1789 | |
1790 | ||
3b3b36dd | 1791 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1792 | (SCM item, SCM v, SCM k), |
88ecf5cb KR |
1793 | "Return the index of the first occurrance of @var{item} in bit\n" |
1794 | "vector @var{v}, starting from @var{k}. If there is no\n" | |
1795 | "@var{item} entry between @var{k} and the end of\n" | |
1796 | "@var{bitvector}, then return @code{#f}. For example,\n" | |
1797 | "\n" | |
1798 | "@example\n" | |
1799 | "(bit-position #t #*000101 0) @result{} 3\n" | |
1800 | "(bit-position #f #*0001111 3) @result{} #f\n" | |
1801 | "@end example") | |
1bbd0b84 | 1802 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1803 | { |
c014a02e ML |
1804 | long i, lenw, xbits, pos; |
1805 | register unsigned long w; | |
74014c46 DH |
1806 | |
1807 | SCM_VALIDATE_BOOL (1, item); | |
1808 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
34d19ef6 | 1809 | SCM_VALIDATE_INUM_COPY (3, k, pos); |
74014c46 DH |
1810 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1811 | ||
1812 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1813 | return SCM_BOOL_F; |
74014c46 | 1814 | |
c014a02e ML |
1815 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1816 | i = pos / SCM_LONG_BIT; | |
74014c46 DH |
1817 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
1818 | if (SCM_FALSEP (item)) | |
1819 | w = ~w; | |
c014a02e | 1820 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1821 | pos -= xbits; |
1822 | w = ((w >> xbits) << xbits); | |
c014a02e | 1823 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1824 | while (!0) |
1825 | { | |
1826 | if (w && (i == lenw)) | |
1827 | w = ((w << xbits) >> xbits); | |
1828 | if (w) | |
1829 | while (w) | |
1830 | switch (w & 0x0f) | |
1831 | { | |
1832 | default: | |
1833 | return SCM_MAKINUM (pos); | |
1834 | case 2: | |
1835 | case 6: | |
1836 | case 10: | |
1837 | case 14: | |
1838 | return SCM_MAKINUM (pos + 1); | |
1839 | case 4: | |
1840 | case 12: | |
1841 | return SCM_MAKINUM (pos + 2); | |
1842 | case 8: | |
1843 | return SCM_MAKINUM (pos + 3); | |
1844 | case 0: | |
1845 | pos += 4; | |
1846 | w >>= 4; | |
1847 | } | |
1848 | if (++i > lenw) | |
1849 | break; | |
c014a02e | 1850 | pos += SCM_LONG_BIT; |
f1267706 | 1851 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
0f2d19dd JB |
1852 | if (SCM_FALSEP (item)) |
1853 | w = ~w; | |
0f2d19dd | 1854 | } |
74014c46 | 1855 | return SCM_BOOL_F; |
0f2d19dd | 1856 | } |
1bbd0b84 | 1857 | #undef FUNC_NAME |
0f2d19dd JB |
1858 | |
1859 | ||
3b3b36dd | 1860 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 | 1861 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1862 | "Set entries of bit vector @var{v} to @var{obj}, with @var{kv}\n" |
1863 | "selecting the entries to change. The return value is\n" | |
1864 | "unspecified.\n" | |
1865 | "\n" | |
1866 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1867 | "@code{#t} are the ones in @var{v} which are set to @var{obj}.\n" | |
1868 | "@var{kv} and @var{v} must be the same length. When @var{obj}\n" | |
1869 | "is @code{#t} it's like @var{kv} is OR'ed into @var{v}. Or when\n" | |
1870 | "@var{obj} is @code{#f} it can be seen as an ANDNOT.\n" | |
1871 | "\n" | |
1872 | "@example\n" | |
1873 | "(define bv #*01000010)\n" | |
1874 | "(bit-set*! bv #*10010001 #t)\n" | |
1875 | "bv\n" | |
1876 | "@result{} #*11010011\n" | |
1877 | "@end example\n" | |
1878 | "\n" | |
1879 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1880 | "they're indexes into @var{v} which are set to @var{obj}.\n" | |
1881 | "\n" | |
1882 | "@example\n" | |
1883 | "(define bv #*01000010)\n" | |
1884 | "(bit-set*! bv #u(5 2 7) #t)\n" | |
1885 | "bv\n" | |
1886 | "@result{} #*01100111\n" | |
1887 | "@end example") | |
1bbd0b84 | 1888 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1889 | { |
c014a02e | 1890 | register long i, k, vlen; |
74014c46 | 1891 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1892 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1893 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1894 | { |
1895 | default: | |
276dd677 | 1896 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1897 | case scm_tc7_uvect: |
74014c46 DH |
1898 | vlen = SCM_BITVECTOR_LENGTH (v); |
1899 | if (SCM_FALSEP (obj)) | |
1900 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1901 | { | |
c014a02e | 1902 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1903 | if (k >= vlen) |
1904 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1905 | SCM_BITVEC_CLR(v, k); |
74014c46 DH |
1906 | } |
1907 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1908 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1909 | { | |
c014a02e | 1910 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1911 | if (k >= vlen) |
1912 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1913 | SCM_BITVEC_SET(v, k); |
74014c46 DH |
1914 | } |
1915 | else | |
276dd677 | 1916 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1917 | break; |
1918 | case scm_tc7_bvect: | |
74014c46 | 1919 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
4260a7fc | 1920 | if (SCM_FALSEP (obj)) |
c014a02e | 1921 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1922 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; |
9a09deb1 | 1923 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) |
c014a02e | 1924 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1925 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; |
0f2d19dd JB |
1926 | else |
1927 | goto badarg3; | |
1928 | break; | |
1929 | } | |
1930 | return SCM_UNSPECIFIED; | |
1931 | } | |
1bbd0b84 | 1932 | #undef FUNC_NAME |
0f2d19dd JB |
1933 | |
1934 | ||
3b3b36dd | 1935 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1936 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1937 | "Return a count of how many entries in bit vector @var{v} are\n" |
1938 | "equal to @var{obj}, with @var{kv} selecting the entries to\n" | |
1939 | "consider.\n" | |
1940 | "\n" | |
1941 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1942 | "@code{#t} are the ones in @var{v} which are considered.\n" | |
1943 | "@var{kv} and @var{v} must be the same length.\n" | |
1944 | "\n" | |
1945 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1946 | "it's the indexes in @var{v} to consider.\n" | |
1947 | "\n" | |
1948 | "For example,\n" | |
1949 | "\n" | |
1950 | "@example\n" | |
1951 | "(bit-count* #*01110111 #*11001101 #t) @result{} 3\n" | |
1952 | "(bit-count* #*01110111 #u(7 0 4) #f) @result{} 2\n" | |
1953 | "@end example") | |
1bbd0b84 | 1954 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1955 | { |
c014a02e ML |
1956 | register long i, vlen, count = 0; |
1957 | register unsigned long k; | |
41b0806d | 1958 | int fObj = 0; |
c209c88e | 1959 | |
74014c46 | 1960 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1961 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1962 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1963 | { |
1964 | default: | |
c209c88e | 1965 | badarg2: |
276dd677 | 1966 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1967 | case scm_tc7_uvect: |
74014c46 DH |
1968 | vlen = SCM_BITVECTOR_LENGTH (v); |
1969 | if (SCM_FALSEP (obj)) | |
1970 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1971 | { | |
c014a02e | 1972 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1973 | if (k >= vlen) |
1974 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1975 | if (!SCM_BITVEC_REF(v, k)) |
74014c46 DH |
1976 | count++; |
1977 | } | |
1978 | else if (SCM_EQ_P (obj, SCM_BOOL_T)) | |
1979 | for (i = SCM_UVECTOR_LENGTH (kv); i;) | |
1980 | { | |
c014a02e | 1981 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 DH |
1982 | if (k >= vlen) |
1983 | scm_out_of_range (FUNC_NAME, SCM_MAKINUM (k)); | |
34d19ef6 | 1984 | if (SCM_BITVEC_REF (v, k)) |
74014c46 DH |
1985 | count++; |
1986 | } | |
1987 | else | |
276dd677 | 1988 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1989 | break; |
1990 | case scm_tc7_bvect: | |
74014c46 DH |
1991 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1992 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1993 | return SCM_INUM0; |
4260a7fc | 1994 | SCM_ASRTGO (SCM_BOOLP (obj), badarg3); |
9a09deb1 | 1995 | fObj = SCM_EQ_P (obj, SCM_BOOL_T); |
c014a02e ML |
1996 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
1997 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
1998 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 1999 | while (1) |
0f2d19dd JB |
2000 | { |
2001 | for (; k; k >>= 4) | |
2002 | count += cnt_tab[k & 0x0f]; | |
2003 | if (0 == i--) | |
2004 | return SCM_MAKINUM (count); | |
c209c88e GB |
2005 | |
2006 | /* urg. repetitive (see above.) */ | |
c014a02e | 2007 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
2008 | } |
2009 | } | |
2010 | return SCM_MAKINUM (count); | |
2011 | } | |
1bbd0b84 | 2012 | #undef FUNC_NAME |
0f2d19dd JB |
2013 | |
2014 | ||
3b3b36dd | 2015 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 2016 | (SCM v), |
88ecf5cb KR |
2017 | "Modify the bit vector @var{v} by replacing each element with\n" |
2018 | "its negation.") | |
1bbd0b84 | 2019 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2020 | { |
c014a02e | 2021 | long int k; |
74014c46 DH |
2022 | |
2023 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2024 | ||
2025 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 2026 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 2027 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 2028 | |
0f2d19dd JB |
2029 | return SCM_UNSPECIFIED; |
2030 | } | |
1bbd0b84 | 2031 | #undef FUNC_NAME |
0f2d19dd JB |
2032 | |
2033 | ||
0f2d19dd | 2034 | SCM |
c014a02e | 2035 | scm_istr2bve (char *str, long len) |
0f2d19dd JB |
2036 | { |
2037 | SCM v = scm_make_uve (len, SCM_BOOL_T); | |
c014a02e ML |
2038 | long *data = (long *) SCM_VELTS (v); |
2039 | register unsigned long mask; | |
2040 | register long k; | |
2041 | register long j; | |
2042 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) | |
0f2d19dd JB |
2043 | { |
2044 | data[k] = 0L; | |
c014a02e ML |
2045 | j = len - k * SCM_LONG_BIT; |
2046 | if (j > SCM_LONG_BIT) | |
2047 | j = SCM_LONG_BIT; | |
0f2d19dd JB |
2048 | for (mask = 1L; j--; mask <<= 1) |
2049 | switch (*str++) | |
2050 | { | |
2051 | case '0': | |
2052 | break; | |
2053 | case '1': | |
2054 | data[k] |= mask; | |
2055 | break; | |
2056 | default: | |
2057 | return SCM_BOOL_F; | |
2058 | } | |
2059 | } | |
2060 | return v; | |
2061 | } | |
2062 | ||
2063 | ||
1cc91f1b | 2064 | |
0f2d19dd | 2065 | static SCM |
34d19ef6 | 2066 | ra2l (SCM ra, unsigned long base, unsigned long k) |
0f2d19dd JB |
2067 | { |
2068 | register SCM res = SCM_EOL; | |
c014a02e ML |
2069 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2070 | register size_t i; | |
0f2d19dd JB |
2071 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
2072 | return SCM_EOL; | |
2073 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2074 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2075 | { | |
2076 | do | |
2077 | { | |
2078 | i -= inc; | |
2079 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2080 | } | |
2081 | while (i != base); | |
2082 | } | |
2083 | else | |
2084 | do | |
2085 | { | |
2086 | i -= inc; | |
2087 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), SCM_MAKINUM (i)), res); | |
2088 | } | |
2089 | while (i != base); | |
2090 | return res; | |
2091 | } | |
2092 | ||
2093 | ||
cd328b4f | 2094 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2095 | (SCM v), |
1e6808ea MG |
2096 | "Return a list consisting of all the elements, in order, of\n" |
2097 | "@var{array}.") | |
cd328b4f | 2098 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2099 | { |
2100 | SCM res = SCM_EOL; | |
c014a02e | 2101 | register long k; |
0f2d19dd | 2102 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 2103 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2104 | { |
2105 | default: | |
276dd677 | 2106 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2107 | case scm_tc7_smob: |
2108 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2109 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2110 | case scm_tc7_vector: | |
95f5b0f5 | 2111 | case scm_tc7_wvect: |
0f2d19dd JB |
2112 | return scm_vector_to_list (v); |
2113 | case scm_tc7_string: | |
2114 | return scm_string_to_list (v); | |
2115 | case scm_tc7_bvect: | |
2116 | { | |
c014a02e ML |
2117 | long *data = (long *) SCM_VELTS (v); |
2118 | register unsigned long mask; | |
2119 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
2120 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
2121 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); | |
2122 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) | |
2123 | res = scm_cons (SCM_BOOL(((long *) data)[k] & mask), res); | |
0f2d19dd JB |
2124 | return res; |
2125 | } | |
af7546eb DH |
2126 | case scm_tc7_byvect: |
2127 | { | |
2128 | signed char *data = (signed char *) SCM_VELTS (v); | |
c014a02e | 2129 | unsigned long k = SCM_UVECTOR_LENGTH (v); |
af7546eb DH |
2130 | while (k != 0) |
2131 | res = scm_cons (SCM_MAKINUM (data[--k]), res); | |
2132 | return res; | |
2133 | } | |
2134 | case scm_tc7_uvect: | |
2135 | { | |
c014a02e | 2136 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2137 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2138 | res = scm_cons(scm_ulong2num(data[k]), res); |
af7546eb DH |
2139 | return res; |
2140 | } | |
2141 | case scm_tc7_ivect: | |
2142 | { | |
c014a02e | 2143 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2144 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
c014a02e | 2145 | res = scm_cons(scm_long2num(data[k]), res); |
af7546eb DH |
2146 | return res; |
2147 | } | |
2148 | case scm_tc7_svect: | |
2149 | { | |
2150 | short *data = (short *)SCM_VELTS(v); | |
2151 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
1be6b49c | 2152 | res = scm_cons(scm_short2num (data[k]), res); |
af7546eb DH |
2153 | return res; |
2154 | } | |
2a5cd898 | 2155 | #if SCM_SIZEOF_LONG_LONG != 0 |
af7546eb DH |
2156 | case scm_tc7_llvect: |
2157 | { | |
1be6b49c | 2158 | long long *data = (long long *)SCM_VELTS(v); |
af7546eb DH |
2159 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
2160 | res = scm_cons(scm_long_long2num(data[k]), res); | |
2161 | return res; | |
2162 | } | |
0f2d19dd | 2163 | #endif |
0f2d19dd JB |
2164 | case scm_tc7_fvect: |
2165 | { | |
2166 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2167 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
bc86da5d | 2168 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2169 | return res; |
2170 | } | |
0f2d19dd JB |
2171 | case scm_tc7_dvect: |
2172 | { | |
2173 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2174 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2175 | res = scm_cons (scm_make_real (data[k]), res); |
0f2d19dd JB |
2176 | return res; |
2177 | } | |
2178 | case scm_tc7_cvect: | |
2179 | { | |
2180 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2181 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
f8de44c1 | 2182 | res = scm_cons (scm_make_complex (data[k][0], data[k][1]), res); |
0f2d19dd JB |
2183 | return res; |
2184 | } | |
0f2d19dd JB |
2185 | } |
2186 | } | |
1bbd0b84 | 2187 | #undef FUNC_NAME |
0f2d19dd JB |
2188 | |
2189 | ||
c014a02e | 2190 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 2191 | |
3b3b36dd | 2192 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2193 | (SCM ndim, SCM prot, SCM lst), |
8f85c0c6 | 2194 | "@deffnx {Scheme Procedure} list->uniform-vector prot lst\n" |
1e6808ea MG |
2195 | "Return a uniform array of the type indicated by prototype\n" |
2196 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2197 | "Elements must be of the appropriate type, no coercions are\n" | |
2198 | "done.") | |
1bbd0b84 | 2199 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2200 | { |
2201 | SCM shp = SCM_EOL; | |
2202 | SCM row = lst; | |
2203 | SCM ra; | |
c014a02e | 2204 | unsigned long k; |
0f2d19dd | 2205 | long n; |
34d19ef6 | 2206 | SCM_VALIDATE_INUM_COPY (1, ndim, k); |
0f2d19dd JB |
2207 | while (k--) |
2208 | { | |
2209 | n = scm_ilength (row); | |
1bbd0b84 | 2210 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
0f2d19dd JB |
2211 | shp = scm_cons (SCM_MAKINUM (n), shp); |
2212 | if (SCM_NIMP (row)) | |
2213 | row = SCM_CAR (row); | |
2214 | } | |
d12feca3 GH |
2215 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2216 | SCM_UNDEFINED); | |
0f2d19dd | 2217 | if (SCM_NULLP (shp)) |
0f2d19dd JB |
2218 | { |
2219 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2220 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2221 | return ra; | |
2222 | } | |
2223 | if (!SCM_ARRAYP (ra)) | |
2224 | { | |
c014a02e | 2225 | unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra)); |
74014c46 | 2226 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
0f2d19dd JB |
2227 | scm_array_set_x (ra, SCM_CAR (lst), SCM_MAKINUM (k)); |
2228 | return ra; | |
2229 | } | |
2230 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2231 | return ra; | |
2232 | else | |
1afff620 KN |
2233 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", |
2234 | scm_list_1 (lst)); | |
0f2d19dd | 2235 | } |
1bbd0b84 | 2236 | #undef FUNC_NAME |
0f2d19dd | 2237 | |
0f2d19dd | 2238 | static int |
c014a02e | 2239 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2240 | { |
c014a02e ML |
2241 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2242 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2243 | int ok = 1; |
2244 | if (n <= 0) | |
4260a7fc | 2245 | return (SCM_NULLP (lst)); |
0f2d19dd JB |
2246 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2247 | { | |
2248 | while (n--) | |
2249 | { | |
1685446c | 2250 | if (!SCM_CONSP (lst)) |
0f2d19dd JB |
2251 | return 0; |
2252 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2253 | base += inc; | |
2254 | lst = SCM_CDR (lst); | |
2255 | } | |
9ff1720f | 2256 | if (!SCM_NULLP (lst)) |
0f2d19dd JB |
2257 | return 0; |
2258 | } | |
2259 | else | |
2260 | { | |
2261 | while (n--) | |
2262 | { | |
1685446c | 2263 | if (!SCM_CONSP (lst)) |
0f2d19dd | 2264 | return 0; |
baa702c8 | 2265 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), SCM_MAKINUM (base)); |
0f2d19dd JB |
2266 | base += inc; |
2267 | lst = SCM_CDR (lst); | |
2268 | } | |
9ff1720f | 2269 | if (!SCM_NULLP (lst)) |
fee7ef83 | 2270 | return 0; |
0f2d19dd JB |
2271 | } |
2272 | return ok; | |
2273 | } | |
2274 | ||
1cc91f1b | 2275 | |
0f2d19dd | 2276 | static void |
34d19ef6 | 2277 | rapr1 (SCM ra, unsigned long j, unsigned long k, SCM port, scm_print_state *pstate) |
0f2d19dd | 2278 | { |
c014a02e ML |
2279 | long inc = 1; |
2280 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 MD |
2281 | ? 0 |
2282 | : SCM_INUM (scm_uniform_vector_length (ra))); | |
0f2d19dd JB |
2283 | int enclosed = 0; |
2284 | tail: | |
5c11cc9d | 2285 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2286 | { |
2287 | case scm_tc7_smob: | |
2288 | if (enclosed++) | |
2289 | { | |
2290 | SCM_ARRAY_BASE (ra) = j; | |
2291 | if (n-- > 0) | |
9882ea19 | 2292 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2293 | for (j += inc; n-- > 0; j += inc) |
2294 | { | |
b7f3516f | 2295 | scm_putc (' ', port); |
0f2d19dd | 2296 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2297 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2298 | } |
2299 | break; | |
2300 | } | |
2301 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2302 | { | |
c014a02e | 2303 | long i; |
0f2d19dd JB |
2304 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2305 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2306 | { | |
b7f3516f | 2307 | scm_putc ('(', port); |
9882ea19 | 2308 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2309 | scm_puts (") ", port); |
0f2d19dd JB |
2310 | j += inc; |
2311 | } | |
2312 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2313 | { /* could be zero size. */ | |
b7f3516f | 2314 | scm_putc ('(', port); |
9882ea19 | 2315 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2316 | scm_putc (')', port); |
0f2d19dd JB |
2317 | } |
2318 | break; | |
2319 | } | |
1be6b49c | 2320 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2321 | { /* Could be zero-dimensional */ |
2322 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2323 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2324 | } | |
2325 | else | |
2326 | n = 1; | |
2327 | ra = SCM_ARRAY_V (ra); | |
2328 | goto tail; | |
2329 | default: | |
5c11cc9d | 2330 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2331 | if (n-- > 0) |
9882ea19 | 2332 | scm_iprin1 (scm_uniform_vector_ref (ra, SCM_MAKINUM (j)), port, pstate); |
0f2d19dd JB |
2333 | for (j += inc; n-- > 0; j += inc) |
2334 | { | |
b7f3516f | 2335 | scm_putc (' ', port); |
9882ea19 | 2336 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2337 | } |
2338 | break; | |
2339 | case scm_tc7_string: | |
2340 | if (n-- > 0) | |
322ac0c5 | 2341 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
9882ea19 | 2342 | if (SCM_WRITINGP (pstate)) |
0f2d19dd JB |
2343 | for (j += inc; n-- > 0; j += inc) |
2344 | { | |
b7f3516f | 2345 | scm_putc (' ', port); |
322ac0c5 | 2346 | scm_iprin1 (SCM_MAKE_CHAR (SCM_STRING_UCHARS (ra)[j]), port, pstate); |
0f2d19dd JB |
2347 | } |
2348 | else | |
2349 | for (j += inc; n-- > 0; j += inc) | |
405aaef9 | 2350 | scm_putc (SCM_STRING_CHARS (ra)[j], port); |
0f2d19dd JB |
2351 | break; |
2352 | case scm_tc7_byvect: | |
2353 | if (n-- > 0) | |
4260a7fc | 2354 | scm_intprint (((char *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2355 | for (j += inc; n-- > 0; j += inc) |
2356 | { | |
b7f3516f | 2357 | scm_putc (' ', port); |
4260a7fc | 2358 | scm_intprint (((char *)SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2359 | } |
2360 | break; | |
2361 | ||
2362 | case scm_tc7_uvect: | |
5c11cc9d GH |
2363 | { |
2364 | char str[11]; | |
2365 | ||
2366 | if (n-- > 0) | |
2367 | { | |
2368 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2369 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2370 | scm_puts (str, port); |
2371 | } | |
2372 | for (j += inc; n-- > 0; j += inc) | |
2373 | { | |
2374 | scm_putc (' ', port); | |
fee7ef83 | 2375 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2376 | scm_puts (str, port); |
2377 | } | |
2378 | } | |
0f2d19dd JB |
2379 | case scm_tc7_ivect: |
2380 | if (n-- > 0) | |
fee7ef83 | 2381 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2382 | for (j += inc; n-- > 0; j += inc) |
2383 | { | |
b7f3516f | 2384 | scm_putc (' ', port); |
fee7ef83 | 2385 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2386 | } |
2387 | break; | |
2388 | ||
2389 | case scm_tc7_svect: | |
2390 | if (n-- > 0) | |
4260a7fc | 2391 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2392 | for (j += inc; n-- > 0; j += inc) |
2393 | { | |
b7f3516f | 2394 | scm_putc (' ', port); |
4260a7fc | 2395 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2396 | } |
2397 | break; | |
2398 | ||
0f2d19dd JB |
2399 | case scm_tc7_fvect: |
2400 | if (n-- > 0) | |
2401 | { | |
bc86da5d MD |
2402 | SCM z = scm_make_real (1.0); |
2403 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; | |
2404 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2405 | for (j += inc; n-- > 0; j += inc) |
2406 | { | |
b7f3516f | 2407 | scm_putc (' ', port); |
bc86da5d MD |
2408 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2409 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2410 | } |
2411 | } | |
2412 | break; | |
0f2d19dd JB |
2413 | case scm_tc7_dvect: |
2414 | if (n-- > 0) | |
2415 | { | |
bc86da5d MD |
2416 | SCM z = scm_make_real (1.0 / 3.0); |
2417 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; | |
2418 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2419 | for (j += inc; n-- > 0; j += inc) |
2420 | { | |
b7f3516f | 2421 | scm_putc (' ', port); |
bc86da5d MD |
2422 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2423 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2424 | } |
2425 | } | |
2426 | break; | |
2427 | case scm_tc7_cvect: | |
2428 | if (n-- > 0) | |
2429 | { | |
bc86da5d MD |
2430 | SCM cz = scm_make_complex (0.0, 1.0), z = scm_make_real (1.0 / 3.0); |
2431 | SCM_REAL_VALUE (z) = | |
2432 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2433 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2434 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2435 | port, pstate); | |
0f2d19dd JB |
2436 | for (j += inc; n-- > 0; j += inc) |
2437 | { | |
b7f3516f | 2438 | scm_putc (' ', port); |
bc86da5d MD |
2439 | SCM_REAL_VALUE (z) |
2440 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2441 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2442 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2443 | port, pstate); | |
0f2d19dd JB |
2444 | } |
2445 | } | |
2446 | break; | |
0f2d19dd JB |
2447 | } |
2448 | } | |
2449 | ||
2450 | ||
1cc91f1b | 2451 | |
0f2d19dd | 2452 | int |
1bbd0b84 | 2453 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2454 | { |
2455 | SCM v = exp; | |
c014a02e | 2456 | unsigned long base = 0; |
b7f3516f | 2457 | scm_putc ('#', port); |
0f2d19dd | 2458 | tail: |
5c11cc9d | 2459 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2460 | { |
2461 | case scm_tc7_smob: | |
2462 | { | |
2463 | long ndim = SCM_ARRAY_NDIM (v); | |
2464 | base = SCM_ARRAY_BASE (v); | |
2465 | v = SCM_ARRAY_V (v); | |
2466 | if (SCM_ARRAYP (v)) | |
2467 | ||
2468 | { | |
b7f3516f | 2469 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2470 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2471 | scm_putc ('>', port); |
0f2d19dd JB |
2472 | return 1; |
2473 | } | |
2474 | else | |
2475 | { | |
2476 | scm_intprint (ndim, 10, port); | |
2477 | goto tail; | |
2478 | } | |
2479 | } | |
2480 | case scm_tc7_bvect: | |
fee7ef83 | 2481 | if (SCM_EQ_P (exp, v)) |
0f2d19dd | 2482 | { /* a uve, not an scm_array */ |
c014a02e | 2483 | register long i, j, w; |
b7f3516f | 2484 | scm_putc ('*', port); |
c014a02e | 2485 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2486 | { |
92c2555f | 2487 | scm_t_bits w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
c014a02e | 2488 | for (j = SCM_LONG_BIT; j; j--) |
0f2d19dd | 2489 | { |
b7f3516f | 2490 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2491 | w >>= 1; |
2492 | } | |
2493 | } | |
c014a02e | 2494 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2495 | if (j) |
2496 | { | |
c014a02e | 2497 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2498 | for (; j; j--) |
2499 | { | |
b7f3516f | 2500 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2501 | w >>= 1; |
2502 | } | |
2503 | } | |
2504 | return 1; | |
2505 | } | |
2506 | else | |
b7f3516f | 2507 | scm_putc ('b', port); |
0f2d19dd JB |
2508 | break; |
2509 | case scm_tc7_string: | |
b7f3516f | 2510 | scm_putc ('a', port); |
0f2d19dd JB |
2511 | break; |
2512 | case scm_tc7_byvect: | |
05c33d09 | 2513 | scm_putc ('y', port); |
0f2d19dd JB |
2514 | break; |
2515 | case scm_tc7_uvect: | |
b7f3516f | 2516 | scm_putc ('u', port); |
0f2d19dd JB |
2517 | break; |
2518 | case scm_tc7_ivect: | |
b7f3516f | 2519 | scm_putc ('e', port); |
0f2d19dd JB |
2520 | break; |
2521 | case scm_tc7_svect: | |
05c33d09 | 2522 | scm_putc ('h', port); |
0f2d19dd | 2523 | break; |
2a5cd898 | 2524 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2525 | case scm_tc7_llvect: |
5c11cc9d | 2526 | scm_putc ('l', port); |
0f2d19dd JB |
2527 | break; |
2528 | #endif | |
0f2d19dd | 2529 | case scm_tc7_fvect: |
b7f3516f | 2530 | scm_putc ('s', port); |
0f2d19dd | 2531 | break; |
0f2d19dd | 2532 | case scm_tc7_dvect: |
b7f3516f | 2533 | scm_putc ('i', port); |
0f2d19dd JB |
2534 | break; |
2535 | case scm_tc7_cvect: | |
b7f3516f | 2536 | scm_putc ('c', port); |
0f2d19dd | 2537 | break; |
0f2d19dd | 2538 | } |
b7f3516f | 2539 | scm_putc ('(', port); |
9882ea19 | 2540 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2541 | scm_putc (')', port); |
0f2d19dd JB |
2542 | return 1; |
2543 | } | |
2544 | ||
3b3b36dd | 2545 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2546 | (SCM ra), |
1e6808ea MG |
2547 | "Return an object that would produce an array of the same type\n" |
2548 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2549 | "@code{make-uniform-array}.") |
1bbd0b84 | 2550 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2551 | { |
2552 | int enclosed = 0; | |
2553 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2554 | loop: | |
74014c46 | 2555 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2556 | { |
2557 | default: | |
276dd677 | 2558 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2559 | case scm_tc7_smob: |
2560 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2561 | if (enclosed++) | |
2562 | return SCM_UNSPECIFIED; | |
2563 | ra = SCM_ARRAY_V (ra); | |
2564 | goto loop; | |
2565 | case scm_tc7_vector: | |
95f5b0f5 | 2566 | case scm_tc7_wvect: |
0f2d19dd JB |
2567 | return SCM_EOL; |
2568 | case scm_tc7_bvect: | |
2569 | return SCM_BOOL_T; | |
2570 | case scm_tc7_string: | |
7866a09b | 2571 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2572 | case scm_tc7_byvect: |
7866a09b | 2573 | return SCM_MAKE_CHAR ('\0'); |
0f2d19dd JB |
2574 | case scm_tc7_uvect: |
2575 | return SCM_MAKINUM (1L); | |
2576 | case scm_tc7_ivect: | |
2577 | return SCM_MAKINUM (-1L); | |
2578 | case scm_tc7_svect: | |
38ae064c | 2579 | return scm_str2symbol ("s"); |
2a5cd898 | 2580 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2581 | case scm_tc7_llvect: |
38ae064c | 2582 | return scm_str2symbol ("l"); |
0f2d19dd | 2583 | #endif |
0f2d19dd | 2584 | case scm_tc7_fvect: |
bc86da5d | 2585 | return scm_make_real (1.0); |
0f2d19dd | 2586 | case scm_tc7_dvect: |
7c183c95 | 2587 | return exactly_one_third; |
0f2d19dd | 2588 | case scm_tc7_cvect: |
bc86da5d | 2589 | return scm_make_complex (0.0, 1.0); |
0f2d19dd JB |
2590 | } |
2591 | } | |
1bbd0b84 | 2592 | #undef FUNC_NAME |
0f2d19dd | 2593 | |
1cc91f1b | 2594 | |
0f2d19dd | 2595 | static SCM |
e841c3e0 | 2596 | array_mark (SCM ptr) |
0f2d19dd | 2597 | { |
0f2d19dd JB |
2598 | return SCM_ARRAY_V (ptr); |
2599 | } | |
2600 | ||
1cc91f1b | 2601 | |
1be6b49c | 2602 | static size_t |
e841c3e0 | 2603 | array_free (SCM ptr) |
0f2d19dd | 2604 | { |
4c9419ac MV |
2605 | scm_gc_free (SCM_ARRAY_MEM (ptr), |
2606 | (sizeof (scm_t_array) | |
2607 | + SCM_ARRAY_NDIM (ptr) * sizeof (scm_t_array_dim)), | |
2608 | "array"); | |
2609 | return 0; | |
0f2d19dd JB |
2610 | } |
2611 | ||
0f2d19dd JB |
2612 | void |
2613 | scm_init_unif () | |
0f2d19dd | 2614 | { |
e841c3e0 KN |
2615 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2616 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2617 | scm_set_smob_free (scm_tc16_array, array_free); | |
2618 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2619 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
7c183c95 KR |
2620 | exactly_one_third = scm_permanent_object (scm_make_ratio (SCM_MAKINUM (1), |
2621 | SCM_MAKINUM (3))); | |
0f2d19dd | 2622 | scm_add_feature ("array"); |
a0599745 | 2623 | #include "libguile/unif.x" |
0f2d19dd | 2624 | } |
89e00824 ML |
2625 | |
2626 | /* | |
2627 | Local Variables: | |
2628 | c-file-style: "gnu" | |
2629 | End: | |
2630 | */ |