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 | 36 | #include "libguile/_scm.h" |
e0e49670 MV |
37 | #include "libguile/__scm.h" |
38 | #include "libguile/eq.h" | |
a0599745 MD |
39 | #include "libguile/chars.h" |
40 | #include "libguile/eval.h" | |
41 | #include "libguile/fports.h" | |
42 | #include "libguile/smob.h" | |
a0599745 MD |
43 | #include "libguile/feature.h" |
44 | #include "libguile/root.h" | |
45 | #include "libguile/strings.h" | |
c44ca4fe | 46 | #include "libguile/srfi-13.h" |
e0e49670 | 47 | #include "libguile/srfi-4.h" |
a0599745 MD |
48 | #include "libguile/vectors.h" |
49 | ||
50 | #include "libguile/validate.h" | |
51 | #include "libguile/unif.h" | |
52 | #include "libguile/ramap.h" | |
f27d2057 | 53 | #include "libguile/print.h" |
0f2d19dd | 54 | |
3d8d56df GH |
55 | #ifdef HAVE_UNISTD_H |
56 | #include <unistd.h> | |
57 | #endif | |
58 | ||
7beabedb MG |
59 | #ifdef HAVE_IO_H |
60 | #include <io.h> | |
61 | #endif | |
62 | ||
0f2d19dd JB |
63 | \f |
64 | /* The set of uniform scm_vector types is: | |
e0e49670 MV |
65 | * Vector of: Called: Replaced by: |
66 | * unsigned char string u8 | |
67 | * char byvect s8 | |
68 | * boolean bvect | |
69 | * signed long ivect s32 | |
70 | * unsigned long uvect u32 | |
71 | * float fvect f32 | |
72 | * double dvect d32 | |
0f2d19dd | 73 | * complex double cvect |
e0e49670 MV |
74 | * short svect s16 |
75 | * long long llvect s64 | |
0f2d19dd JB |
76 | */ |
77 | ||
92c2555f | 78 | scm_t_bits scm_tc16_array; |
7c183c95 | 79 | static SCM exactly_one_third; |
0f2d19dd | 80 | |
bc86da5d MD |
81 | /* Silly function used not to modify the semantics of the silly |
82 | * prototype system in order to be backward compatible. | |
83 | */ | |
84 | static int | |
85 | singp (SCM obj) | |
0f2d19dd | 86 | { |
a08b0d00 | 87 | if (!SCM_REALP (obj)) |
bc86da5d MD |
88 | return 0; |
89 | else | |
90 | { | |
91 | double x = SCM_REAL_VALUE (obj); | |
92 | float fx = x; | |
93 | return (- SCM_FLTMAX < x) && (x < SCM_FLTMAX) && (fx == x); | |
94 | } | |
0f2d19dd | 95 | } |
1cc91f1b | 96 | |
711a9fd7 MD |
97 | static SCM |
98 | make_uve (long type, long k, size_t size) | |
99 | #define FUNC_NAME "scm_make_uve" | |
100 | { | |
b9bd8526 | 101 | SCM_ASSERT_RANGE (1, scm_from_long (k), k <= SCM_UVECTOR_MAX_LENGTH); |
711a9fd7 MD |
102 | |
103 | return scm_cell (SCM_MAKE_UVECTOR_TAG (k, type), | |
104 | (scm_t_bits) scm_gc_malloc (k * size, "vector")); | |
105 | } | |
106 | #undef FUNC_NAME | |
107 | ||
0f2d19dd | 108 | SCM |
c014a02e | 109 | scm_make_uve (long k, SCM prot) |
a3a32939 | 110 | #define FUNC_NAME "scm_make_uve" |
0f2d19dd | 111 | { |
bc36d050 | 112 | if (scm_is_eq (prot, SCM_BOOL_T)) |
0f2d19dd | 113 | { |
93778877 DH |
114 | if (k > 0) |
115 | { | |
711a9fd7 | 116 | long i; |
b9bd8526 MV |
117 | SCM_ASSERT_RANGE (1, scm_from_long (k), |
118 | k <= SCM_BITVECTOR_MAX_LENGTH); | |
c014a02e | 119 | i = sizeof (long) * ((k + SCM_LONG_BIT - 1) / SCM_LONG_BIT); |
711a9fd7 MD |
120 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (k), |
121 | (scm_t_bits) scm_gc_malloc (i, "vector")); | |
93778877 DH |
122 | } |
123 | else | |
711a9fd7 | 124 | return scm_cell (SCM_MAKE_BITVECTOR_TAG (0), 0); |
0f2d19dd | 125 | } |
4260a7fc | 126 | else if (SCM_CHARP (prot) && (SCM_CHAR (prot) == '\0')) |
e0e49670 | 127 | return scm_make_s8vector (scm_from_long (k), SCM_UNDEFINED); |
7866a09b | 128 | else if (SCM_CHARP (prot)) |
cc95e00a | 129 | return scm_c_make_string (sizeof (char) * k, SCM_UNDEFINED); |
e11e83f3 MV |
130 | else if (SCM_I_INUMP (prot)) |
131 | return make_uve (SCM_I_INUM (prot) > 0 ? scm_tc7_uvect : scm_tc7_ivect, | |
711a9fd7 MD |
132 | k, |
133 | sizeof (long)); | |
7c183c95 KR |
134 | else if (SCM_FRACTIONP (prot)) |
135 | { | |
136 | if (scm_num_eq_p (exactly_one_third, prot)) | |
137 | goto dvect; | |
138 | } | |
cc95e00a | 139 | else if (scm_is_symbol (prot) && (1 == scm_i_symbol_length (prot))) |
0f2d19dd JB |
140 | { |
141 | char s; | |
142 | ||
cc95e00a | 143 | s = scm_i_symbol_chars (prot)[0]; |
0f2d19dd | 144 | if (s == 's') |
711a9fd7 | 145 | return make_uve (scm_tc7_svect, k, sizeof (short)); |
2a5cd898 | 146 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 147 | else if (s == 'l') |
711a9fd7 | 148 | return make_uve (scm_tc7_llvect, k, sizeof (long long)); |
0f2d19dd JB |
149 | #endif |
150 | else | |
711a9fd7 | 151 | return scm_c_make_vector (k, SCM_UNDEFINED); |
0f2d19dd | 152 | } |
5b9eb8ae | 153 | else if (!SCM_INEXACTP (prot)) |
0f2d19dd | 154 | /* Huge non-unif vectors are NOT supported. */ |
5c11cc9d | 155 | /* no special scm_vector */ |
00ffa0e7 | 156 | return scm_c_make_vector (k, SCM_UNDEFINED); |
bc86da5d | 157 | else if (singp (prot)) |
711a9fd7 | 158 | return make_uve (scm_tc7_fvect, k, sizeof (float)); |
eb42e2f0 | 159 | else if (SCM_COMPLEXP (prot)) |
711a9fd7 MD |
160 | return make_uve (scm_tc7_cvect, k, 2 * sizeof (double)); |
161 | dvect: | |
162 | return make_uve (scm_tc7_dvect, k, sizeof (double)); | |
0f2d19dd | 163 | } |
a3a32939 DH |
164 | #undef FUNC_NAME |
165 | ||
3b3b36dd | 166 | SCM_DEFINE (scm_array_p, "array?", 1, 1, 0, |
1bbd0b84 | 167 | (SCM v, SCM prot), |
1e6808ea MG |
168 | "Return @code{#t} if the @var{obj} is an array, and @code{#f} if\n" |
169 | "not. The @var{prototype} argument is used with uniform arrays\n" | |
170 | "and is described elsewhere.") | |
1bbd0b84 | 171 | #define FUNC_NAME s_scm_array_p |
0f2d19dd JB |
172 | { |
173 | int nprot; | |
174 | int enclosed; | |
175 | nprot = SCM_UNBNDP (prot); | |
176 | enclosed = 0; | |
177 | if (SCM_IMP (v)) | |
178 | return SCM_BOOL_F; | |
c209c88e | 179 | |
e0e49670 | 180 | while (SCM_ARRAYP (v)) |
0f2d19dd | 181 | { |
0f2d19dd JB |
182 | if (nprot) |
183 | return SCM_BOOL_T; | |
184 | if (enclosed++) | |
185 | return SCM_BOOL_F; | |
186 | v = SCM_ARRAY_V (v); | |
e0e49670 MV |
187 | } |
188 | ||
189 | if (scm_is_uniform_vector (v)) | |
190 | { | |
191 | if (nprot) | |
192 | return SCM_BOOL_T; | |
193 | else | |
194 | return scm_eq_p (prot, scm_i_uniform_vector_prototype (v)); | |
195 | } | |
9b0018a1 | 196 | |
c209c88e | 197 | if (nprot) |
9b0018a1 MV |
198 | { |
199 | switch (SCM_TYP7 (v)) | |
200 | { | |
201 | case scm_tc7_bvect: | |
202 | case scm_tc7_string: | |
9b0018a1 MV |
203 | case scm_tc7_uvect: |
204 | case scm_tc7_ivect: | |
205 | case scm_tc7_svect: | |
206 | #if SCM_SIZEOF_LONG_LONG != 0 | |
207 | case scm_tc7_llvect: | |
208 | #endif | |
209 | case scm_tc7_fvect: | |
210 | case scm_tc7_dvect: | |
211 | case scm_tc7_cvect: | |
212 | case scm_tc7_vector: | |
213 | case scm_tc7_wvect: | |
214 | return SCM_BOOL_T; | |
215 | default: | |
216 | return SCM_BOOL_F; | |
217 | } | |
218 | } | |
c209c88e GB |
219 | else |
220 | { | |
221 | int protp = 0; | |
e0e49670 | 222 | |
c209c88e GB |
223 | switch (SCM_TYP7 (v)) |
224 | { | |
225 | case scm_tc7_bvect: | |
bc36d050 | 226 | protp = (scm_is_eq (prot, SCM_BOOL_T)); |
7c183c95 | 227 | break; |
c209c88e | 228 | case scm_tc7_string: |
4260a7fc | 229 | protp = SCM_CHARP(prot) && (SCM_CHAR (prot) != '\0'); |
7c183c95 | 230 | break; |
c209c88e | 231 | case scm_tc7_uvect: |
e11e83f3 | 232 | protp = SCM_I_INUMP(prot) && SCM_I_INUM(prot)>0; |
7c183c95 | 233 | break; |
c209c88e | 234 | case scm_tc7_ivect: |
e11e83f3 | 235 | protp = SCM_I_INUMP(prot) && SCM_I_INUM(prot)<=0; |
7c183c95 | 236 | break; |
c209c88e | 237 | case scm_tc7_svect: |
cc95e00a MV |
238 | protp = scm_is_symbol (prot) |
239 | && (1 == scm_i_symbol_length (prot)) | |
240 | && ('s' == scm_i_symbol_chars (prot)[0]); | |
7c183c95 | 241 | break; |
2a5cd898 | 242 | #if SCM_SIZEOF_LONG_LONG != 0 |
c209c88e | 243 | case scm_tc7_llvect: |
cc95e00a MV |
244 | protp = scm_is_symbol (prot) |
245 | && (1 == scm_i_symbol_length (prot)) | |
246 | && ('l' == scm_i_symbol_chars (prot)[0]); | |
7c183c95 | 247 | break; |
0f2d19dd | 248 | #endif |
c209c88e | 249 | case scm_tc7_fvect: |
bc86da5d | 250 | protp = singp (prot); |
7c183c95 | 251 | break; |
c209c88e | 252 | case scm_tc7_dvect: |
7c183c95 KR |
253 | protp = ((SCM_REALP(prot) && ! singp (prot)) |
254 | || (SCM_FRACTIONP (prot) | |
255 | && scm_num_eq_p (exactly_one_third, prot))); | |
256 | break; | |
c209c88e | 257 | case scm_tc7_cvect: |
eb42e2f0 | 258 | protp = SCM_COMPLEXP(prot); |
7c183c95 | 259 | break; |
c209c88e GB |
260 | case scm_tc7_vector: |
261 | case scm_tc7_wvect: | |
d2e53ed6 | 262 | protp = scm_is_null(prot); |
7c183c95 | 263 | break; |
c209c88e GB |
264 | default: |
265 | /* no default */ | |
266 | ; | |
267 | } | |
7888309b | 268 | return scm_from_bool(protp); |
0f2d19dd | 269 | } |
0f2d19dd | 270 | } |
1bbd0b84 | 271 | #undef FUNC_NAME |
0f2d19dd JB |
272 | |
273 | ||
3b3b36dd | 274 | SCM_DEFINE (scm_array_rank, "array-rank", 1, 0, 0, |
1bbd0b84 | 275 | (SCM ra), |
1e6808ea MG |
276 | "Return the number of dimensions of @var{obj}. If @var{obj} is\n" |
277 | "not an array, @code{0} is returned.") | |
1bbd0b84 | 278 | #define FUNC_NAME s_scm_array_rank |
0f2d19dd | 279 | { |
e0e49670 MV |
280 | if (scm_is_uniform_vector (ra)) |
281 | return scm_from_int (1); | |
282 | ||
0f2d19dd | 283 | if (SCM_IMP (ra)) |
1bbd0b84 | 284 | return SCM_INUM0; |
0f2d19dd JB |
285 | switch (SCM_TYP7 (ra)) |
286 | { | |
287 | default: | |
288 | return SCM_INUM0; | |
289 | case scm_tc7_string: | |
290 | case scm_tc7_vector: | |
95f5b0f5 | 291 | case scm_tc7_wvect: |
0f2d19dd JB |
292 | case scm_tc7_uvect: |
293 | case scm_tc7_ivect: | |
294 | case scm_tc7_fvect: | |
295 | case scm_tc7_cvect: | |
296 | case scm_tc7_dvect: | |
2a5cd898 | 297 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
298 | case scm_tc7_llvect: |
299 | #endif | |
300 | case scm_tc7_svect: | |
e11e83f3 | 301 | return scm_from_int (1); |
0f2d19dd JB |
302 | case scm_tc7_smob: |
303 | if (SCM_ARRAYP (ra)) | |
e11e83f3 | 304 | return scm_from_size_t (SCM_ARRAY_NDIM (ra)); |
0f2d19dd JB |
305 | return SCM_INUM0; |
306 | } | |
307 | } | |
1bbd0b84 | 308 | #undef FUNC_NAME |
0f2d19dd JB |
309 | |
310 | ||
3b3b36dd | 311 | SCM_DEFINE (scm_array_dimensions, "array-dimensions", 1, 0, 0, |
1bbd0b84 | 312 | (SCM ra), |
b380b885 MD |
313 | "@code{Array-dimensions} is similar to @code{array-shape} but replaces\n" |
314 | "elements with a @code{0} minimum with one greater than the maximum. So:\n" | |
1e6808ea | 315 | "@lisp\n" |
b380b885 | 316 | "(array-dimensions (make-array 'foo '(-1 3) 5)) @result{} ((-1 3) 5)\n" |
1e6808ea | 317 | "@end lisp") |
1bbd0b84 | 318 | #define FUNC_NAME s_scm_array_dimensions |
0f2d19dd JB |
319 | { |
320 | SCM res = SCM_EOL; | |
1be6b49c | 321 | size_t k; |
92c2555f | 322 | scm_t_array_dim *s; |
0f2d19dd | 323 | if (SCM_IMP (ra)) |
1bbd0b84 | 324 | return SCM_BOOL_F; |
e0e49670 MV |
325 | |
326 | if (scm_is_uniform_vector (ra)) | |
327 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); | |
328 | ||
0f2d19dd JB |
329 | switch (SCM_TYP7 (ra)) |
330 | { | |
331 | default: | |
332 | return SCM_BOOL_F; | |
333 | case scm_tc7_string: | |
334 | case scm_tc7_vector: | |
95f5b0f5 | 335 | case scm_tc7_wvect: |
0f2d19dd | 336 | case scm_tc7_bvect: |
0f2d19dd JB |
337 | case scm_tc7_uvect: |
338 | case scm_tc7_ivect: | |
339 | case scm_tc7_fvect: | |
340 | case scm_tc7_cvect: | |
341 | case scm_tc7_dvect: | |
342 | case scm_tc7_svect: | |
2a5cd898 | 343 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
344 | case scm_tc7_llvect: |
345 | #endif | |
74014c46 | 346 | return scm_cons (scm_uniform_vector_length (ra), SCM_EOL); |
0f2d19dd JB |
347 | case scm_tc7_smob: |
348 | if (!SCM_ARRAYP (ra)) | |
349 | return SCM_BOOL_F; | |
350 | k = SCM_ARRAY_NDIM (ra); | |
351 | s = SCM_ARRAY_DIMS (ra); | |
352 | while (k--) | |
e2d37336 | 353 | res = scm_cons (s[k].lbnd |
e11e83f3 MV |
354 | ? scm_cons2 (scm_from_long (s[k].lbnd), |
355 | scm_from_long (s[k].ubnd), | |
e2d37336 | 356 | SCM_EOL) |
e11e83f3 | 357 | : scm_from_long (1 + s[k].ubnd), |
e2d37336 | 358 | res); |
0f2d19dd JB |
359 | return res; |
360 | } | |
361 | } | |
1bbd0b84 | 362 | #undef FUNC_NAME |
0f2d19dd JB |
363 | |
364 | ||
e2d37336 MD |
365 | SCM_DEFINE (scm_shared_array_root, "shared-array-root", 1, 0, 0, |
366 | (SCM ra), | |
367 | "Return the root vector of a shared array.") | |
368 | #define FUNC_NAME s_scm_shared_array_root | |
369 | { | |
370 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
371 | return SCM_ARRAY_V (ra); | |
372 | } | |
373 | #undef FUNC_NAME | |
374 | ||
375 | ||
376 | SCM_DEFINE (scm_shared_array_offset, "shared-array-offset", 1, 0, 0, | |
377 | (SCM ra), | |
378 | "Return the root vector index of the first element in the array.") | |
379 | #define FUNC_NAME s_scm_shared_array_offset | |
380 | { | |
381 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); | |
e11e83f3 | 382 | return scm_from_int (SCM_ARRAY_BASE (ra)); |
e2d37336 MD |
383 | } |
384 | #undef FUNC_NAME | |
385 | ||
386 | ||
387 | SCM_DEFINE (scm_shared_array_increments, "shared-array-increments", 1, 0, 0, | |
388 | (SCM ra), | |
389 | "For each dimension, return the distance between elements in the root vector.") | |
390 | #define FUNC_NAME s_scm_shared_array_increments | |
391 | { | |
392 | SCM res = SCM_EOL; | |
1be6b49c | 393 | size_t k; |
92c2555f | 394 | scm_t_array_dim *s; |
e2d37336 MD |
395 | SCM_ASSERT (SCM_ARRAYP (ra), ra, SCM_ARG1, FUNC_NAME); |
396 | k = SCM_ARRAY_NDIM (ra); | |
397 | s = SCM_ARRAY_DIMS (ra); | |
398 | while (k--) | |
e11e83f3 | 399 | res = scm_cons (scm_from_long (s[k].inc), res); |
e2d37336 MD |
400 | return res; |
401 | } | |
402 | #undef FUNC_NAME | |
403 | ||
404 | ||
0f2d19dd JB |
405 | static char s_bad_ind[] = "Bad scm_array index"; |
406 | ||
1cc91f1b | 407 | |
c014a02e | 408 | long |
1bbd0b84 | 409 | scm_aind (SCM ra, SCM args, const char *what) |
b3fcac34 | 410 | #define FUNC_NAME what |
0f2d19dd JB |
411 | { |
412 | SCM ind; | |
c014a02e ML |
413 | register long j; |
414 | register unsigned long pos = SCM_ARRAY_BASE (ra); | |
415 | register unsigned long k = SCM_ARRAY_NDIM (ra); | |
92c2555f | 416 | scm_t_array_dim *s = SCM_ARRAY_DIMS (ra); |
e11e83f3 | 417 | if (scm_is_integer (args)) |
0f2d19dd | 418 | { |
b3fcac34 DH |
419 | if (k != 1) |
420 | scm_error_num_args_subr (what); | |
e11e83f3 | 421 | return pos + (scm_to_long (args) - s->lbnd) * (s->inc); |
0f2d19dd | 422 | } |
d2e53ed6 | 423 | while (k && scm_is_pair (args)) |
0f2d19dd JB |
424 | { |
425 | ind = SCM_CAR (args); | |
426 | args = SCM_CDR (args); | |
e11e83f3 | 427 | if (!scm_is_integer (ind)) |
b3fcac34 | 428 | scm_misc_error (what, s_bad_ind, SCM_EOL); |
e11e83f3 | 429 | j = scm_to_long (ind); |
685c0d71 DH |
430 | if (j < s->lbnd || j > s->ubnd) |
431 | scm_out_of_range (what, ind); | |
0f2d19dd JB |
432 | pos += (j - s->lbnd) * (s->inc); |
433 | k--; | |
434 | s++; | |
435 | } | |
d2e53ed6 | 436 | if (k != 0 || !scm_is_null (args)) |
b3fcac34 DH |
437 | scm_error_num_args_subr (what); |
438 | ||
0f2d19dd JB |
439 | return pos; |
440 | } | |
b3fcac34 | 441 | #undef FUNC_NAME |
0f2d19dd | 442 | |
1cc91f1b | 443 | |
0f2d19dd | 444 | SCM |
1bbd0b84 | 445 | scm_make_ra (int ndim) |
0f2d19dd JB |
446 | { |
447 | SCM ra; | |
0f2d19dd | 448 | SCM_DEFER_INTS; |
92c2555f | 449 | SCM_NEWSMOB(ra, ((scm_t_bits) ndim << 17) + scm_tc16_array, |
4c9419ac MV |
450 | scm_gc_malloc ((sizeof (scm_t_array) + |
451 | ndim * sizeof (scm_t_array_dim)), | |
452 | "array")); | |
0f2d19dd JB |
453 | SCM_ARRAY_V (ra) = scm_nullvect; |
454 | SCM_ALLOW_INTS; | |
455 | return ra; | |
456 | } | |
457 | ||
458 | static char s_bad_spec[] = "Bad scm_array dimension"; | |
459 | /* Increments will still need to be set. */ | |
460 | ||
1cc91f1b | 461 | |
0f2d19dd | 462 | SCM |
1bbd0b84 | 463 | scm_shap2ra (SCM args, const char *what) |
0f2d19dd | 464 | { |
92c2555f | 465 | scm_t_array_dim *s; |
0f2d19dd JB |
466 | SCM ra, spec, sp; |
467 | int ndim = scm_ilength (args); | |
b3fcac34 DH |
468 | if (ndim < 0) |
469 | scm_misc_error (what, s_bad_spec, SCM_EOL); | |
470 | ||
0f2d19dd JB |
471 | ra = scm_make_ra (ndim); |
472 | SCM_ARRAY_BASE (ra) = 0; | |
473 | s = SCM_ARRAY_DIMS (ra); | |
d2e53ed6 | 474 | for (; !scm_is_null (args); s++, args = SCM_CDR (args)) |
0f2d19dd JB |
475 | { |
476 | spec = SCM_CAR (args); | |
e11e83f3 | 477 | if (scm_is_integer (spec)) |
0f2d19dd | 478 | { |
e11e83f3 | 479 | if (scm_to_long (spec) < 0) |
b3fcac34 | 480 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
0f2d19dd | 481 | s->lbnd = 0; |
e11e83f3 | 482 | s->ubnd = scm_to_long (spec) - 1; |
0f2d19dd JB |
483 | s->inc = 1; |
484 | } | |
485 | else | |
486 | { | |
d2e53ed6 | 487 | if (!scm_is_pair (spec) || !scm_is_integer (SCM_CAR (spec))) |
b3fcac34 | 488 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
e11e83f3 | 489 | s->lbnd = scm_to_long (SCM_CAR (spec)); |
0f2d19dd | 490 | sp = SCM_CDR (spec); |
d2e53ed6 | 491 | if (!scm_is_pair (sp) |
e11e83f3 | 492 | || !scm_is_integer (SCM_CAR (sp)) |
d2e53ed6 | 493 | || !scm_is_null (SCM_CDR (sp))) |
b3fcac34 | 494 | scm_misc_error (what, s_bad_spec, SCM_EOL); |
e11e83f3 | 495 | s->ubnd = scm_to_long (SCM_CAR (sp)); |
0f2d19dd JB |
496 | s->inc = 1; |
497 | } | |
498 | } | |
499 | return ra; | |
500 | } | |
501 | ||
3b3b36dd | 502 | SCM_DEFINE (scm_dimensions_to_uniform_array, "dimensions->uniform-array", 2, 1, 0, |
1e6808ea | 503 | (SCM dims, SCM prot, SCM fill), |
8f85c0c6 | 504 | "@deffnx {Scheme Procedure} make-uniform-vector length prototype [fill]\n" |
1e6808ea MG |
505 | "Create and return a uniform array or vector of type\n" |
506 | "corresponding to @var{prototype} with dimensions @var{dims} or\n" | |
507 | "length @var{length}. If @var{fill} is supplied, it's used to\n" | |
508 | "fill the array, otherwise @var{prototype} is used.") | |
1bbd0b84 | 509 | #define FUNC_NAME s_scm_dimensions_to_uniform_array |
0f2d19dd | 510 | { |
1be6b49c | 511 | size_t k; |
c014a02e | 512 | unsigned long rlen = 1; |
92c2555f | 513 | scm_t_array_dim *s; |
0f2d19dd | 514 | SCM ra; |
1be6b49c | 515 | |
e11e83f3 | 516 | if (scm_is_integer (dims)) |
cda139a7 | 517 | { |
e11e83f3 | 518 | SCM answer = scm_make_uve (scm_to_long (dims), prot); |
a3a32939 DH |
519 | if (!SCM_UNBNDP (fill)) |
520 | scm_array_fill_x (answer, fill); | |
e0e49670 | 521 | else if (scm_is_symbol (prot) || scm_is_eq (prot, SCM_MAKE_CHAR (0))) |
e11e83f3 | 522 | scm_array_fill_x (answer, scm_from_int (0)); |
a3a32939 DH |
523 | else |
524 | scm_array_fill_x (answer, prot); | |
525 | return answer; | |
cda139a7 | 526 | } |
1be6b49c | 527 | |
d2e53ed6 | 528 | SCM_ASSERT (scm_is_null (dims) || scm_is_pair (dims), |
0c95b57d | 529 | dims, SCM_ARG1, FUNC_NAME); |
1bbd0b84 | 530 | ra = scm_shap2ra (dims, FUNC_NAME); |
e038c042 | 531 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
532 | s = SCM_ARRAY_DIMS (ra); |
533 | k = SCM_ARRAY_NDIM (ra); | |
1be6b49c | 534 | |
0f2d19dd JB |
535 | while (k--) |
536 | { | |
a3a32939 DH |
537 | s[k].inc = rlen; |
538 | SCM_ASSERT_RANGE (1, dims, s[k].lbnd <= s[k].ubnd); | |
0f2d19dd | 539 | rlen = (s[k].ubnd - s[k].lbnd + 1) * s[k].inc; |
0f2d19dd | 540 | } |
a3a32939 | 541 | |
a3a32939 DH |
542 | SCM_ARRAY_V (ra) = scm_make_uve (rlen, prot); |
543 | ||
5c11cc9d | 544 | if (!SCM_UNBNDP (fill)) |
a3a32939 | 545 | scm_array_fill_x (ra, fill); |
e0e49670 | 546 | else if (scm_is_symbol (prot) || scm_is_eq (prot, SCM_MAKE_CHAR (0))) |
e11e83f3 | 547 | scm_array_fill_x (ra, scm_from_int (0)); |
0f2d19dd JB |
548 | else |
549 | scm_array_fill_x (ra, prot); | |
a3a32939 | 550 | |
0f2d19dd | 551 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
c014a02e | 552 | if (s->ubnd < s->lbnd || (0 == s->lbnd && 1 == s->inc)) |
0f2d19dd JB |
553 | return SCM_ARRAY_V (ra); |
554 | return ra; | |
555 | } | |
1bbd0b84 | 556 | #undef FUNC_NAME |
0f2d19dd | 557 | |
1cc91f1b | 558 | |
0f2d19dd | 559 | void |
1bbd0b84 | 560 | scm_ra_set_contp (SCM ra) |
0f2d19dd | 561 | { |
1be6b49c | 562 | size_t k = SCM_ARRAY_NDIM (ra); |
0f2d19dd | 563 | if (k) |
0f2d19dd | 564 | { |
c014a02e | 565 | long inc = SCM_ARRAY_DIMS (ra)[k - 1].inc; |
fe0c6dae | 566 | while (k--) |
0f2d19dd | 567 | { |
fe0c6dae JB |
568 | if (inc != SCM_ARRAY_DIMS (ra)[k].inc) |
569 | { | |
e038c042 | 570 | SCM_CLR_ARRAY_CONTIGUOUS_FLAG (ra); |
fe0c6dae JB |
571 | return; |
572 | } | |
573 | inc *= (SCM_ARRAY_DIMS (ra)[k].ubnd | |
574 | - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
0f2d19dd | 575 | } |
0f2d19dd | 576 | } |
e038c042 | 577 | SCM_SET_ARRAY_CONTIGUOUS_FLAG (ra); |
0f2d19dd JB |
578 | } |
579 | ||
580 | ||
3b3b36dd | 581 | SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1, |
1bbd0b84 | 582 | (SCM oldra, SCM mapfunc, SCM dims), |
b380b885 MD |
583 | "@code{make-shared-array} can be used to create shared subarrays of other\n" |
584 | "arrays. The @var{mapper} is a function that translates coordinates in\n" | |
585 | "the new array into coordinates in the old array. A @var{mapper} must be\n" | |
586 | "linear, and its range must stay within the bounds of the old array, but\n" | |
587 | "it can be otherwise arbitrary. A simple example:\n" | |
1e6808ea | 588 | "@lisp\n" |
b380b885 MD |
589 | "(define fred (make-array #f 8 8))\n" |
590 | "(define freds-diagonal\n" | |
591 | " (make-shared-array fred (lambda (i) (list i i)) 8))\n" | |
592 | "(array-set! freds-diagonal 'foo 3)\n" | |
593 | "(array-ref fred 3 3) @result{} foo\n" | |
594 | "(define freds-center\n" | |
595 | " (make-shared-array fred (lambda (i j) (list (+ 3 i) (+ 3 j))) 2 2))\n" | |
596 | "(array-ref freds-center 0 0) @result{} foo\n" | |
1e6808ea | 597 | "@end lisp") |
1bbd0b84 | 598 | #define FUNC_NAME s_scm_make_shared_array |
0f2d19dd JB |
599 | { |
600 | SCM ra; | |
601 | SCM inds, indptr; | |
602 | SCM imap; | |
c014a02e ML |
603 | size_t k, i; |
604 | long old_min, new_min, old_max, new_max; | |
92c2555f | 605 | scm_t_array_dim *s; |
b3fcac34 DH |
606 | |
607 | SCM_VALIDATE_REST_ARGUMENT (dims); | |
34d19ef6 HWN |
608 | SCM_VALIDATE_ARRAY (1, oldra); |
609 | SCM_VALIDATE_PROC (2, mapfunc); | |
1bbd0b84 | 610 | ra = scm_shap2ra (dims, FUNC_NAME); |
0f2d19dd JB |
611 | if (SCM_ARRAYP (oldra)) |
612 | { | |
613 | SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra); | |
614 | old_min = old_max = SCM_ARRAY_BASE (oldra); | |
615 | s = SCM_ARRAY_DIMS (oldra); | |
616 | k = SCM_ARRAY_NDIM (oldra); | |
617 | while (k--) | |
618 | { | |
619 | if (s[k].inc > 0) | |
620 | old_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
621 | else | |
622 | old_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
623 | } | |
624 | } | |
625 | else | |
626 | { | |
627 | SCM_ARRAY_V (ra) = oldra; | |
628 | old_min = 0; | |
e11e83f3 | 629 | old_max = scm_to_long (scm_uniform_vector_length (oldra)) - 1; |
0f2d19dd JB |
630 | } |
631 | inds = SCM_EOL; | |
632 | s = SCM_ARRAY_DIMS (ra); | |
633 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
634 | { | |
e11e83f3 | 635 | inds = scm_cons (scm_from_long (s[k].lbnd), inds); |
0f2d19dd JB |
636 | if (s[k].ubnd < s[k].lbnd) |
637 | { | |
638 | if (1 == SCM_ARRAY_NDIM (ra)) | |
639 | ra = scm_make_uve (0L, scm_array_prototype (ra)); | |
640 | else | |
641 | SCM_ARRAY_V (ra) = scm_make_uve (0L, scm_array_prototype (ra)); | |
642 | return ra; | |
643 | } | |
644 | } | |
fdc28395 | 645 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd | 646 | if (SCM_ARRAYP (oldra)) |
c014a02e | 647 | i = (size_t) scm_aind (oldra, imap, FUNC_NAME); |
0f2d19dd JB |
648 | else |
649 | { | |
e11e83f3 | 650 | if (!scm_is_integer (imap)) |
0f2d19dd | 651 | { |
e11e83f3 | 652 | if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap))) |
b3fcac34 | 653 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
654 | imap = SCM_CAR (imap); |
655 | } | |
e11e83f3 | 656 | i = scm_to_size_t (imap); |
0f2d19dd JB |
657 | } |
658 | SCM_ARRAY_BASE (ra) = new_min = new_max = i; | |
659 | indptr = inds; | |
660 | k = SCM_ARRAY_NDIM (ra); | |
661 | while (k--) | |
662 | { | |
663 | if (s[k].ubnd > s[k].lbnd) | |
664 | { | |
e11e83f3 | 665 | SCM_SETCAR (indptr, scm_sum (SCM_CAR (indptr), scm_from_int (1))); |
fdc28395 | 666 | imap = scm_apply_0 (mapfunc, scm_reverse (inds)); |
0f2d19dd JB |
667 | if (SCM_ARRAYP (oldra)) |
668 | ||
1bbd0b84 | 669 | s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i; |
0f2d19dd JB |
670 | else |
671 | { | |
e11e83f3 | 672 | if (!scm_is_integer (imap)) |
0f2d19dd | 673 | { |
e11e83f3 | 674 | if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap))) |
b3fcac34 | 675 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
676 | imap = SCM_CAR (imap); |
677 | } | |
e11e83f3 | 678 | s[k].inc = scm_to_long (imap) - i; |
0f2d19dd JB |
679 | } |
680 | i += s[k].inc; | |
681 | if (s[k].inc > 0) | |
682 | new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
683 | else | |
684 | new_min += (s[k].ubnd - s[k].lbnd) * s[k].inc; | |
685 | } | |
686 | else | |
687 | s[k].inc = new_max - new_min + 1; /* contiguous by default */ | |
688 | indptr = SCM_CDR (indptr); | |
689 | } | |
b3fcac34 DH |
690 | if (old_min > new_min || old_max < new_max) |
691 | SCM_MISC_ERROR ("mapping out of range", SCM_EOL); | |
0f2d19dd JB |
692 | if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra)) |
693 | { | |
74014c46 | 694 | SCM v = SCM_ARRAY_V (ra); |
e11e83f3 | 695 | unsigned long int length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 DH |
696 | if (1 == s->inc && 0 == s->lbnd && length == 1 + s->ubnd) |
697 | return v; | |
0f2d19dd JB |
698 | if (s->ubnd < s->lbnd) |
699 | return scm_make_uve (0L, scm_array_prototype (ra)); | |
700 | } | |
701 | scm_ra_set_contp (ra); | |
702 | return ra; | |
703 | } | |
1bbd0b84 | 704 | #undef FUNC_NAME |
0f2d19dd JB |
705 | |
706 | ||
707 | /* args are RA . DIMS */ | |
af45e3b0 DH |
708 | SCM_DEFINE (scm_transpose_array, "transpose-array", 1, 0, 1, |
709 | (SCM ra, SCM args), | |
1e6808ea MG |
710 | "Return an array sharing contents with @var{array}, but with\n" |
711 | "dimensions arranged in a different order. There must be one\n" | |
712 | "@var{dim} argument for each dimension of @var{array}.\n" | |
713 | "@var{dim0}, @var{dim1}, @dots{} should be integers between 0\n" | |
714 | "and the rank of the array to be returned. Each integer in that\n" | |
715 | "range must appear at least once in the argument list.\n" | |
716 | "\n" | |
717 | "The values of @var{dim0}, @var{dim1}, @dots{} correspond to\n" | |
718 | "dimensions in the array to be returned, their positions in the\n" | |
719 | "argument list to dimensions of @var{array}. Several @var{dim}s\n" | |
720 | "may have the same value, in which case the returned array will\n" | |
721 | "have smaller rank than @var{array}.\n" | |
722 | "\n" | |
723 | "@lisp\n" | |
b380b885 MD |
724 | "(transpose-array '#2((a b) (c d)) 1 0) @result{} #2((a c) (b d))\n" |
725 | "(transpose-array '#2((a b) (c d)) 0 0) @result{} #1(a d)\n" | |
726 | "(transpose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 1 0) @result{}\n" | |
727 | " #2((a 4) (b 5) (c 6))\n" | |
1e6808ea | 728 | "@end lisp") |
1bbd0b84 | 729 | #define FUNC_NAME s_scm_transpose_array |
0f2d19dd | 730 | { |
34d19ef6 HWN |
731 | SCM res, vargs; |
732 | SCM const *ve = &vargs; | |
92c2555f | 733 | scm_t_array_dim *s, *r; |
0f2d19dd | 734 | int ndim, i, k; |
af45e3b0 | 735 | |
b3fcac34 | 736 | SCM_VALIDATE_REST_ARGUMENT (args); |
1bbd0b84 | 737 | SCM_ASSERT (SCM_NIMP (ra), ra, SCM_ARG1, FUNC_NAME); |
e0e49670 MV |
738 | |
739 | if (scm_is_uniform_vector (ra)) | |
740 | { | |
741 | /* Make sure that we are called with a single zero as | |
742 | arguments. | |
743 | */ | |
744 | if (scm_is_null (args) || !scm_is_null (SCM_CDR (args))) | |
745 | SCM_WRONG_NUM_ARGS (); | |
746 | SCM_VALIDATE_INT_COPY (SCM_ARG2, SCM_CAR (args), i); | |
747 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), i == 0); | |
748 | return ra; | |
749 | } | |
750 | ||
f5bf2977 | 751 | switch (SCM_TYP7 (ra)) |
0f2d19dd JB |
752 | { |
753 | default: | |
276dd677 | 754 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
755 | case scm_tc7_bvect: |
756 | case scm_tc7_string: | |
0f2d19dd JB |
757 | case scm_tc7_uvect: |
758 | case scm_tc7_ivect: | |
759 | case scm_tc7_fvect: | |
760 | case scm_tc7_dvect: | |
761 | case scm_tc7_cvect: | |
762 | case scm_tc7_svect: | |
2a5cd898 | 763 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
764 | case scm_tc7_llvect: |
765 | #endif | |
d2e53ed6 | 766 | if (scm_is_null (args) || !scm_is_null (SCM_CDR (args))) |
b3fcac34 | 767 | SCM_WRONG_NUM_ARGS (); |
a55c2b68 MV |
768 | SCM_VALIDATE_INT_COPY (SCM_ARG2, SCM_CAR (args), i); |
769 | SCM_ASSERT_RANGE (SCM_ARG2, SCM_CAR (args), i == 0); | |
0f2d19dd JB |
770 | return ra; |
771 | case scm_tc7_smob: | |
772 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
773 | vargs = scm_vector (args); | |
b3fcac34 DH |
774 | if (SCM_VECTOR_LENGTH (vargs) != SCM_ARRAY_NDIM (ra)) |
775 | SCM_WRONG_NUM_ARGS (); | |
776 | ve = SCM_VELTS (vargs); | |
0f2d19dd JB |
777 | ndim = 0; |
778 | for (k = 0; k < SCM_ARRAY_NDIM (ra); k++) | |
779 | { | |
e11e83f3 | 780 | i = scm_to_signed_integer (ve[k], 0, SCM_ARRAY_NDIM(ra)); |
0f2d19dd JB |
781 | if (ndim < i) |
782 | ndim = i; | |
783 | } | |
784 | ndim++; | |
785 | res = scm_make_ra (ndim); | |
786 | SCM_ARRAY_V (res) = SCM_ARRAY_V (ra); | |
787 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra); | |
788 | for (k = ndim; k--;) | |
789 | { | |
790 | SCM_ARRAY_DIMS (res)[k].lbnd = 0; | |
791 | SCM_ARRAY_DIMS (res)[k].ubnd = -1; | |
792 | } | |
793 | for (k = SCM_ARRAY_NDIM (ra); k--;) | |
794 | { | |
e11e83f3 | 795 | i = scm_to_int (ve[k]); |
0f2d19dd JB |
796 | s = &(SCM_ARRAY_DIMS (ra)[k]); |
797 | r = &(SCM_ARRAY_DIMS (res)[i]); | |
798 | if (r->ubnd < r->lbnd) | |
799 | { | |
800 | r->lbnd = s->lbnd; | |
801 | r->ubnd = s->ubnd; | |
802 | r->inc = s->inc; | |
803 | ndim--; | |
804 | } | |
805 | else | |
806 | { | |
807 | if (r->ubnd > s->ubnd) | |
808 | r->ubnd = s->ubnd; | |
809 | if (r->lbnd < s->lbnd) | |
810 | { | |
811 | SCM_ARRAY_BASE (res) += (s->lbnd - r->lbnd) * r->inc; | |
812 | r->lbnd = s->lbnd; | |
813 | } | |
814 | r->inc += s->inc; | |
815 | } | |
816 | } | |
b3fcac34 DH |
817 | if (ndim > 0) |
818 | SCM_MISC_ERROR ("bad argument list", SCM_EOL); | |
0f2d19dd JB |
819 | scm_ra_set_contp (res); |
820 | return res; | |
821 | } | |
822 | } | |
1bbd0b84 | 823 | #undef FUNC_NAME |
0f2d19dd JB |
824 | |
825 | /* args are RA . AXES */ | |
af45e3b0 DH |
826 | SCM_DEFINE (scm_enclose_array, "enclose-array", 1, 0, 1, |
827 | (SCM ra, SCM axes), | |
b380b885 MD |
828 | "@var{dim0}, @var{dim1} @dots{} should be nonnegative integers less than\n" |
829 | "the rank of @var{array}. @var{enclose-array} returns an array\n" | |
830 | "resembling an array of shared arrays. The dimensions of each shared\n" | |
831 | "array are the same as the @var{dim}th dimensions of the original array,\n" | |
832 | "the dimensions of the outer array are the same as those of the original\n" | |
833 | "array that did not match a @var{dim}.\n\n" | |
834 | "An enclosed array is not a general Scheme array. Its elements may not\n" | |
835 | "be set using @code{array-set!}. Two references to the same element of\n" | |
836 | "an enclosed array will be @code{equal?} but will not in general be\n" | |
837 | "@code{eq?}. The value returned by @var{array-prototype} when given an\n" | |
838 | "enclosed array is unspecified.\n\n" | |
839 | "examples:\n" | |
1e6808ea | 840 | "@lisp\n" |
b380b885 MD |
841 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1) @result{}\n" |
842 | " #<enclosed-array (#1(a d) #1(b e) #1(c f)) (#1(1 4) #1(2 5) #1(3 6))>\n\n" | |
843 | "(enclose-array '#3(((a b c) (d e f)) ((1 2 3) (4 5 6))) 1 0) @result{}\n" | |
844 | " #<enclosed-array #2((a 1) (d 4)) #2((b 2) (e 5)) #2((c 3) (f 6))>\n" | |
1e6808ea | 845 | "@end lisp") |
1bbd0b84 | 846 | #define FUNC_NAME s_scm_enclose_array |
0f2d19dd | 847 | { |
af45e3b0 | 848 | SCM axv, res, ra_inr; |
cc95e00a | 849 | const char *c_axv; |
92c2555f | 850 | scm_t_array_dim vdim, *s = &vdim; |
0f2d19dd | 851 | int ndim, j, k, ninr, noutr; |
af45e3b0 | 852 | |
b3fcac34 | 853 | SCM_VALIDATE_REST_ARGUMENT (axes); |
d2e53ed6 | 854 | if (scm_is_null (axes)) |
e11e83f3 | 855 | axes = scm_cons ((SCM_ARRAYP (ra) ? scm_from_size_t (SCM_ARRAY_NDIM (ra) - 1) : SCM_INUM0), SCM_EOL); |
0f2d19dd | 856 | ninr = scm_ilength (axes); |
b3fcac34 DH |
857 | if (ninr < 0) |
858 | SCM_WRONG_NUM_ARGS (); | |
0f2d19dd JB |
859 | ra_inr = scm_make_ra (ninr); |
860 | SCM_ASRTGO (SCM_NIMP (ra), badarg1); | |
e0e49670 MV |
861 | |
862 | if (scm_is_uniform_vector (ra)) | |
863 | goto uniform_vector; | |
864 | ||
74014c46 | 865 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
866 | { |
867 | default: | |
276dd677 | 868 | badarg1:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
869 | case scm_tc7_string: |
870 | case scm_tc7_bvect: | |
0f2d19dd JB |
871 | case scm_tc7_uvect: |
872 | case scm_tc7_ivect: | |
873 | case scm_tc7_fvect: | |
874 | case scm_tc7_dvect: | |
875 | case scm_tc7_cvect: | |
876 | case scm_tc7_vector: | |
95f5b0f5 | 877 | case scm_tc7_wvect: |
0f2d19dd | 878 | case scm_tc7_svect: |
2a5cd898 | 879 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
880 | case scm_tc7_llvect: |
881 | #endif | |
e0e49670 | 882 | uniform_vector: |
0f2d19dd | 883 | s->lbnd = 0; |
e11e83f3 | 884 | s->ubnd = scm_to_long (scm_uniform_vector_length (ra)) - 1; |
0f2d19dd JB |
885 | s->inc = 1; |
886 | SCM_ARRAY_V (ra_inr) = ra; | |
887 | SCM_ARRAY_BASE (ra_inr) = 0; | |
888 | ndim = 1; | |
889 | break; | |
890 | case scm_tc7_smob: | |
891 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg1); | |
892 | s = SCM_ARRAY_DIMS (ra); | |
893 | SCM_ARRAY_V (ra_inr) = SCM_ARRAY_V (ra); | |
894 | SCM_ARRAY_BASE (ra_inr) = SCM_ARRAY_BASE (ra); | |
895 | ndim = SCM_ARRAY_NDIM (ra); | |
896 | break; | |
897 | } | |
898 | noutr = ndim - ninr; | |
b3fcac34 DH |
899 | if (noutr < 0) |
900 | SCM_WRONG_NUM_ARGS (); | |
e11e83f3 | 901 | axv = scm_make_string (scm_from_int (ndim), SCM_MAKE_CHAR (0)); |
0f2d19dd JB |
902 | res = scm_make_ra (noutr); |
903 | SCM_ARRAY_BASE (res) = SCM_ARRAY_BASE (ra_inr); | |
904 | SCM_ARRAY_V (res) = ra_inr; | |
905 | for (k = 0; k < ninr; k++, axes = SCM_CDR (axes)) | |
906 | { | |
e11e83f3 | 907 | if (!scm_is_integer (SCM_CAR (axes))) |
b3fcac34 | 908 | SCM_MISC_ERROR ("bad axis", SCM_EOL); |
e11e83f3 | 909 | j = scm_to_int (SCM_CAR (axes)); |
0f2d19dd JB |
910 | SCM_ARRAY_DIMS (ra_inr)[k].lbnd = s[j].lbnd; |
911 | SCM_ARRAY_DIMS (ra_inr)[k].ubnd = s[j].ubnd; | |
912 | SCM_ARRAY_DIMS (ra_inr)[k].inc = s[j].inc; | |
cc95e00a | 913 | scm_c_string_set_x (axv, j, SCM_MAKE_CHAR (1)); |
0f2d19dd | 914 | } |
cc95e00a | 915 | c_axv = scm_i_string_chars (axv); |
0f2d19dd JB |
916 | for (j = 0, k = 0; k < noutr; k++, j++) |
917 | { | |
cc95e00a | 918 | while (c_axv[j]) |
0f2d19dd JB |
919 | j++; |
920 | SCM_ARRAY_DIMS (res)[k].lbnd = s[j].lbnd; | |
921 | SCM_ARRAY_DIMS (res)[k].ubnd = s[j].ubnd; | |
922 | SCM_ARRAY_DIMS (res)[k].inc = s[j].inc; | |
923 | } | |
cc95e00a | 924 | scm_remember_upto_here_1 (axv); |
0f2d19dd JB |
925 | scm_ra_set_contp (ra_inr); |
926 | scm_ra_set_contp (res); | |
927 | return res; | |
928 | } | |
1bbd0b84 | 929 | #undef FUNC_NAME |
0f2d19dd JB |
930 | |
931 | ||
932 | ||
af45e3b0 DH |
933 | SCM_DEFINE (scm_array_in_bounds_p, "array-in-bounds?", 1, 0, 1, |
934 | (SCM v, SCM args), | |
1e6808ea MG |
935 | "Return @code{#t} if its arguments would be acceptable to\n" |
936 | "@code{array-ref}.") | |
1bbd0b84 | 937 | #define FUNC_NAME s_scm_array_in_bounds_p |
0f2d19dd | 938 | { |
af45e3b0 | 939 | SCM ind = SCM_EOL; |
c014a02e | 940 | long pos = 0; |
1be6b49c | 941 | register size_t k; |
c014a02e | 942 | register long j; |
92c2555f | 943 | scm_t_array_dim *s; |
af45e3b0 | 944 | |
b3fcac34 | 945 | SCM_VALIDATE_REST_ARGUMENT (args); |
0f2d19dd JB |
946 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
947 | if (SCM_NIMP (args)) | |
948 | ||
949 | { | |
950 | ind = SCM_CAR (args); | |
951 | args = SCM_CDR (args); | |
e11e83f3 | 952 | pos = scm_to_long (ind); |
0f2d19dd JB |
953 | } |
954 | tail: | |
e0e49670 MV |
955 | |
956 | if (scm_is_uniform_vector (v)) | |
957 | goto uniform_vector; | |
958 | ||
74014c46 | 959 | switch SCM_TYP7 (v) |
0f2d19dd JB |
960 | { |
961 | default: | |
276dd677 | 962 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
b3fcac34 | 963 | wna: SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
964 | case scm_tc7_smob: |
965 | k = SCM_ARRAY_NDIM (v); | |
966 | s = SCM_ARRAY_DIMS (v); | |
967 | pos = SCM_ARRAY_BASE (v); | |
968 | if (!k) | |
969 | { | |
d2e53ed6 | 970 | SCM_ASRTGO (scm_is_null (ind), wna); |
0f2d19dd JB |
971 | ind = SCM_INUM0; |
972 | } | |
973 | else | |
974 | while (!0) | |
975 | { | |
e11e83f3 | 976 | j = scm_to_long (ind); |
0f2d19dd JB |
977 | if (!(j >= (s->lbnd) && j <= (s->ubnd))) |
978 | { | |
979 | SCM_ASRTGO (--k == scm_ilength (args), wna); | |
980 | return SCM_BOOL_F; | |
981 | } | |
982 | pos += (j - s->lbnd) * (s->inc); | |
983 | if (!(--k && SCM_NIMP (args))) | |
984 | break; | |
985 | ind = SCM_CAR (args); | |
986 | args = SCM_CDR (args); | |
987 | s++; | |
e11e83f3 | 988 | if (!scm_is_integer (ind)) |
b3fcac34 | 989 | SCM_MISC_ERROR (s_bad_ind, SCM_EOL); |
0f2d19dd JB |
990 | } |
991 | SCM_ASRTGO (0 == k, wna); | |
992 | v = SCM_ARRAY_V (v); | |
993 | goto tail; | |
994 | case scm_tc7_bvect: | |
995 | case scm_tc7_string: | |
0f2d19dd JB |
996 | case scm_tc7_uvect: |
997 | case scm_tc7_ivect: | |
998 | case scm_tc7_fvect: | |
999 | case scm_tc7_dvect: | |
1000 | case scm_tc7_cvect: | |
1001 | case scm_tc7_svect: | |
2a5cd898 | 1002 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1003 | case scm_tc7_llvect: |
1004 | #endif | |
1005 | case scm_tc7_vector: | |
95f5b0f5 | 1006 | case scm_tc7_wvect: |
e0e49670 | 1007 | uniform_vector: |
74014c46 | 1008 | { |
e11e83f3 | 1009 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (v)); |
d2e53ed6 | 1010 | SCM_ASRTGO (scm_is_null (args) && scm_is_integer (ind), wna); |
7888309b | 1011 | return scm_from_bool(pos >= 0 && pos < length); |
74014c46 | 1012 | } |
0f2d19dd JB |
1013 | } |
1014 | } | |
1bbd0b84 | 1015 | #undef FUNC_NAME |
0f2d19dd JB |
1016 | |
1017 | ||
e0e49670 | 1018 | SCM_DEFINE (scm_array_ref, "array-ref", 1, 0, 1, |
1bbd0b84 | 1019 | (SCM v, SCM args), |
1e6808ea MG |
1020 | "Return the element at the @code{(index1, index2)} element in\n" |
1021 | "@var{array}.") | |
e0e49670 | 1022 | #define FUNC_NAME s_scm_array_ref |
0f2d19dd | 1023 | { |
c014a02e | 1024 | long pos; |
0f2d19dd | 1025 | |
35de7ebe | 1026 | if (SCM_IMP (v)) |
0f2d19dd | 1027 | { |
d2e53ed6 | 1028 | SCM_ASRTGO (scm_is_null (args), badarg); |
0f2d19dd JB |
1029 | return v; |
1030 | } | |
1031 | else if (SCM_ARRAYP (v)) | |
0f2d19dd | 1032 | { |
1bbd0b84 | 1033 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1034 | v = SCM_ARRAY_V (v); |
1035 | } | |
1036 | else | |
1037 | { | |
c014a02e | 1038 | unsigned long int length; |
0f2d19dd | 1039 | if (SCM_NIMP (args)) |
0f2d19dd | 1040 | { |
d2e53ed6 | 1041 | SCM_ASSERT (scm_is_pair (args), args, SCM_ARG2, FUNC_NAME); |
e11e83f3 | 1042 | pos = scm_to_long (SCM_CAR (args)); |
d2e53ed6 | 1043 | SCM_ASRTGO (scm_is_null (SCM_CDR (args)), wna); |
0f2d19dd JB |
1044 | } |
1045 | else | |
1046 | { | |
a55c2b68 | 1047 | pos = scm_to_long (args); |
0f2d19dd | 1048 | } |
e11e83f3 | 1049 | length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 | 1050 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); |
0f2d19dd | 1051 | } |
e0e49670 MV |
1052 | |
1053 | if (scm_is_uniform_vector (v)) | |
1054 | return scm_uniform_vector_ref (v, scm_from_long (pos)); | |
1055 | ||
74014c46 | 1056 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1057 | { |
1058 | default: | |
d2e53ed6 | 1059 | if (scm_is_null (args)) |
0f2d19dd | 1060 | return v; |
35de7ebe | 1061 | badarg: |
276dd677 DH |
1062 | SCM_WRONG_TYPE_ARG (1, v); |
1063 | /* not reached */ | |
c209c88e GB |
1064 | |
1065 | outrng: | |
e11e83f3 | 1066 | scm_out_of_range (FUNC_NAME, scm_from_long (pos)); |
c209c88e | 1067 | wna: |
b3fcac34 | 1068 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1069 | case scm_tc7_smob: |
1070 | { /* enclosed */ | |
1071 | int k = SCM_ARRAY_NDIM (v); | |
1072 | SCM res = scm_make_ra (k); | |
1073 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1074 | SCM_ARRAY_BASE (res) = pos; | |
1075 | while (k--) | |
1076 | { | |
1077 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1078 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1079 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1080 | } | |
1081 | return res; | |
1082 | } | |
1083 | case scm_tc7_bvect: | |
c209c88e | 1084 | if (SCM_BITVEC_REF (v, pos)) |
0f2d19dd JB |
1085 | return SCM_BOOL_T; |
1086 | else | |
1087 | return SCM_BOOL_F; | |
1088 | case scm_tc7_string: | |
cc95e00a | 1089 | return scm_c_string_ref (v, pos); |
e0e49670 | 1090 | case scm_tc7_uvect: |
e11e83f3 | 1091 | return scm_from_ulong (((unsigned long *) SCM_VELTS (v))[pos]); |
e0e49670 MV |
1092 | case scm_tc7_ivect: |
1093 | return scm_from_long (((signed long *) SCM_VELTS (v))[pos]); | |
0f2d19dd JB |
1094 | |
1095 | case scm_tc7_svect: | |
e11e83f3 | 1096 | return scm_from_short (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1097 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1098 | case scm_tc7_llvect: |
e11e83f3 | 1099 | return scm_from_long_long (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd JB |
1100 | #endif |
1101 | ||
0f2d19dd | 1102 | case scm_tc7_fvect: |
d9a67fc4 | 1103 | return scm_from_double (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1104 | case scm_tc7_dvect: |
d9a67fc4 | 1105 | return scm_from_double (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1106 | case scm_tc7_cvect: |
7a72bb41 MV |
1107 | return scm_c_make_rectangular (((double *) SCM_CELL_WORD_1(v))[2*pos], |
1108 | ((double *) SCM_CELL_WORD_1(v))[2*pos+1]); | |
0f2d19dd | 1109 | case scm_tc7_vector: |
95f5b0f5 | 1110 | case scm_tc7_wvect: |
0f2d19dd JB |
1111 | return SCM_VELTS (v)[pos]; |
1112 | } | |
1113 | } | |
1bbd0b84 | 1114 | #undef FUNC_NAME |
0f2d19dd JB |
1115 | |
1116 | /* Internal version of scm_uniform_vector_ref for uves that does no error checking and | |
1117 | tries to recycle conses. (Make *sure* you want them recycled.) */ | |
1cc91f1b | 1118 | |
0f2d19dd | 1119 | SCM |
c014a02e | 1120 | scm_cvref (SCM v, unsigned long pos, SCM last) |
db4b4ca6 | 1121 | #define FUNC_NAME "scm_cvref" |
0f2d19dd | 1122 | { |
e0e49670 MV |
1123 | if (scm_is_uniform_vector (v)) |
1124 | return scm_uniform_vector_ref (v, scm_from_ulong (pos)); | |
1125 | ||
5c11cc9d | 1126 | switch SCM_TYP7 (v) |
0f2d19dd JB |
1127 | { |
1128 | default: | |
db4b4ca6 | 1129 | SCM_WRONG_TYPE_ARG (SCM_ARG1, v); |
0f2d19dd | 1130 | case scm_tc7_bvect: |
34d19ef6 | 1131 | if (SCM_BITVEC_REF(v, pos)) |
0f2d19dd JB |
1132 | return SCM_BOOL_T; |
1133 | else | |
1134 | return SCM_BOOL_F; | |
1135 | case scm_tc7_string: | |
cc95e00a | 1136 | return scm_c_string_ref (v, pos); |
0f2d19dd | 1137 | case scm_tc7_uvect: |
e11e83f3 | 1138 | return scm_from_ulong (((unsigned long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1139 | case scm_tc7_ivect: |
e11e83f3 | 1140 | return scm_from_long (((signed long *) SCM_VELTS (v))[pos]); |
0f2d19dd | 1141 | case scm_tc7_svect: |
e11e83f3 | 1142 | return scm_from_short (((short *) SCM_CELL_WORD_1 (v))[pos]); |
2a5cd898 | 1143 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1144 | case scm_tc7_llvect: |
e11e83f3 | 1145 | return scm_from_long_long (((long long *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1146 | #endif |
0f2d19dd | 1147 | case scm_tc7_fvect: |
bc36d050 | 1148 | if (SCM_REALP (last) && !scm_is_eq (last, scm_flo0)) |
0f2d19dd | 1149 | { |
4260a7fc | 1150 | SCM_REAL_VALUE (last) = ((float *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1151 | return last; |
1152 | } | |
d9a67fc4 | 1153 | return scm_from_double (((float *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1154 | case scm_tc7_dvect: |
bc36d050 | 1155 | if (SCM_REALP (last) && !scm_is_eq (last, scm_flo0)) |
0f2d19dd | 1156 | { |
4260a7fc | 1157 | SCM_REAL_VALUE (last) = ((double *) SCM_CELL_WORD_1 (v))[pos]; |
0f2d19dd JB |
1158 | return last; |
1159 | } | |
d9a67fc4 | 1160 | return scm_from_double (((double *) SCM_CELL_WORD_1 (v))[pos]); |
0f2d19dd | 1161 | case scm_tc7_cvect: |
3ea39242 | 1162 | if (SCM_COMPLEXP (last)) |
0f2d19dd | 1163 | { |
4260a7fc DH |
1164 | SCM_COMPLEX_REAL (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos]; |
1165 | SCM_COMPLEX_IMAG (last) = ((double *) SCM_CELL_WORD_1 (v))[2 * pos + 1]; | |
0f2d19dd JB |
1166 | return last; |
1167 | } | |
7a72bb41 MV |
1168 | return scm_c_make_rectangular (((double *) SCM_CELL_WORD_1(v))[2*pos], |
1169 | ((double *) SCM_CELL_WORD_1(v))[2*pos+1]); | |
0f2d19dd | 1170 | case scm_tc7_vector: |
95f5b0f5 | 1171 | case scm_tc7_wvect: |
0f2d19dd JB |
1172 | return SCM_VELTS (v)[pos]; |
1173 | case scm_tc7_smob: | |
1174 | { /* enclosed scm_array */ | |
1175 | int k = SCM_ARRAY_NDIM (v); | |
1176 | SCM res = scm_make_ra (k); | |
1177 | SCM_ARRAY_V (res) = SCM_ARRAY_V (v); | |
1178 | SCM_ARRAY_BASE (res) = pos; | |
1179 | while (k--) | |
1180 | { | |
1181 | SCM_ARRAY_DIMS (res)[k].ubnd = SCM_ARRAY_DIMS (v)[k].ubnd; | |
1182 | SCM_ARRAY_DIMS (res)[k].lbnd = SCM_ARRAY_DIMS (v)[k].lbnd; | |
1183 | SCM_ARRAY_DIMS (res)[k].inc = SCM_ARRAY_DIMS (v)[k].inc; | |
1184 | } | |
1185 | return res; | |
1186 | } | |
1187 | } | |
1188 | } | |
db4b4ca6 DH |
1189 | #undef FUNC_NAME |
1190 | ||
0f2d19dd | 1191 | |
1bbd0b84 GB |
1192 | SCM_REGISTER_PROC(s_uniform_array_set1_x, "uniform-array-set1!", 3, 0, 0, scm_array_set_x); |
1193 | ||
1cc91f1b | 1194 | |
0aa0871f GH |
1195 | /* Note that args may be a list or an immediate object, depending which |
1196 | PROC is used (and it's called from C too). */ | |
3b3b36dd | 1197 | SCM_DEFINE (scm_array_set_x, "array-set!", 2, 0, 1, |
1bbd0b84 | 1198 | (SCM v, SCM obj, SCM args), |
8f85c0c6 NJ |
1199 | "@deffnx {Scheme Procedure} uniform-array-set1! v obj args\n" |
1200 | "Set the element at the @code{(index1, index2)} element in @var{array} to\n" | |
b380b885 | 1201 | "@var{new-value}. The value returned by array-set! is unspecified.") |
1bbd0b84 | 1202 | #define FUNC_NAME s_scm_array_set_x |
0f2d19dd | 1203 | { |
c014a02e | 1204 | long pos = 0; |
b3fcac34 | 1205 | |
0f2d19dd JB |
1206 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
1207 | if (SCM_ARRAYP (v)) | |
0f2d19dd | 1208 | { |
1bbd0b84 | 1209 | pos = scm_aind (v, args, FUNC_NAME); |
0f2d19dd JB |
1210 | v = SCM_ARRAY_V (v); |
1211 | } | |
1212 | else | |
1213 | { | |
c014a02e | 1214 | unsigned long int length; |
d2e53ed6 | 1215 | if (scm_is_pair (args)) |
0f2d19dd | 1216 | { |
d2e53ed6 | 1217 | SCM_ASRTGO (scm_is_null (SCM_CDR (args)), wna); |
e11e83f3 | 1218 | pos = scm_to_long (SCM_CAR (args)); |
0f2d19dd JB |
1219 | } |
1220 | else | |
1221 | { | |
a55c2b68 | 1222 | pos = scm_to_long (args); |
0f2d19dd | 1223 | } |
e11e83f3 | 1224 | length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 | 1225 | SCM_ASRTGO (pos >= 0 && pos < length, outrng); |
0f2d19dd | 1226 | } |
e0e49670 MV |
1227 | |
1228 | if (scm_is_uniform_vector (v)) | |
1229 | return scm_uniform_vector_set_x (v, scm_from_long (pos), obj); | |
1230 | ||
0f2d19dd JB |
1231 | switch (SCM_TYP7 (v)) |
1232 | { | |
35de7ebe | 1233 | default: badarg1: |
276dd677 DH |
1234 | SCM_WRONG_TYPE_ARG (1, v); |
1235 | /* not reached */ | |
c209c88e | 1236 | outrng: |
e11e83f3 | 1237 | scm_out_of_range (FUNC_NAME, scm_from_long (pos)); |
c209c88e | 1238 | wna: |
b3fcac34 | 1239 | SCM_WRONG_NUM_ARGS (); |
0f2d19dd JB |
1240 | case scm_tc7_smob: /* enclosed */ |
1241 | goto badarg1; | |
1242 | case scm_tc7_bvect: | |
7888309b | 1243 | if (scm_is_false (obj)) |
34d19ef6 | 1244 | SCM_BITVEC_CLR(v, pos); |
bc36d050 | 1245 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
34d19ef6 | 1246 | SCM_BITVEC_SET(v, pos); |
0f2d19dd | 1247 | else |
276dd677 | 1248 | badobj:SCM_WRONG_TYPE_ARG (2, obj); |
0f2d19dd JB |
1249 | break; |
1250 | case scm_tc7_string: | |
7866a09b | 1251 | SCM_ASRTGO (SCM_CHARP (obj), badobj); |
cc95e00a | 1252 | scm_c_string_set_x (v, pos, obj); |
0f2d19dd | 1253 | break; |
1bbd0b84 | 1254 | case scm_tc7_uvect: |
b9bd8526 | 1255 | ((unsigned long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_ulong (obj); |
c209c88e | 1256 | break; |
1bbd0b84 | 1257 | case scm_tc7_ivect: |
b9bd8526 | 1258 | ((long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_long (obj); |
c209c88e | 1259 | break; |
0f2d19dd | 1260 | case scm_tc7_svect: |
b9bd8526 | 1261 | ((short *) SCM_UVECTOR_BASE (v))[pos] = scm_to_short (obj); |
0f2d19dd | 1262 | break; |
2a5cd898 | 1263 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 1264 | case scm_tc7_llvect: |
b9bd8526 | 1265 | ((long long *) SCM_UVECTOR_BASE (v))[pos] = scm_to_long_long (obj); |
0f2d19dd JB |
1266 | break; |
1267 | #endif | |
0f2d19dd | 1268 | case scm_tc7_fvect: |
d9a67fc4 | 1269 | ((float *) SCM_UVECTOR_BASE (v))[pos] = scm_to_double (obj); |
0f2d19dd | 1270 | break; |
0f2d19dd | 1271 | case scm_tc7_dvect: |
d9a67fc4 | 1272 | ((double *) SCM_UVECTOR_BASE (v))[pos] = scm_to_double (obj); |
0f2d19dd JB |
1273 | break; |
1274 | case scm_tc7_cvect: | |
eb42e2f0 DH |
1275 | SCM_ASRTGO (SCM_INEXACTP (obj), badobj); |
1276 | if (SCM_REALP (obj)) { | |
729dbac3 DH |
1277 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_REAL_VALUE (obj); |
1278 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = 0.0; | |
eb42e2f0 | 1279 | } else { |
729dbac3 DH |
1280 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos] = SCM_COMPLEX_REAL (obj); |
1281 | ((double *) SCM_UVECTOR_BASE (v))[2 * pos + 1] = SCM_COMPLEX_IMAG (obj); | |
eb42e2f0 | 1282 | } |
0f2d19dd | 1283 | break; |
0f2d19dd | 1284 | case scm_tc7_vector: |
95f5b0f5 | 1285 | case scm_tc7_wvect: |
34d19ef6 | 1286 | SCM_VECTOR_SET (v, pos, obj); |
0f2d19dd JB |
1287 | break; |
1288 | } | |
1289 | return SCM_UNSPECIFIED; | |
1290 | } | |
1bbd0b84 | 1291 | #undef FUNC_NAME |
0f2d19dd | 1292 | |
1d7bdb25 GH |
1293 | /* attempts to unroll an array into a one-dimensional array. |
1294 | returns the unrolled array or #f if it can't be done. */ | |
1bbd0b84 | 1295 | /* if strict is not SCM_UNDEFINED, return #f if returned array |
1d7bdb25 | 1296 | wouldn't have contiguous elements. */ |
3b3b36dd | 1297 | SCM_DEFINE (scm_array_contents, "array-contents", 1, 1, 0, |
1bbd0b84 | 1298 | (SCM ra, SCM strict), |
b380b885 MD |
1299 | "If @var{array} may be @dfn{unrolled} into a one dimensional shared array\n" |
1300 | "without changing their order (last subscript changing fastest), then\n" | |
1301 | "@code{array-contents} returns that shared array, otherwise it returns\n" | |
1302 | "@code{#f}. All arrays made by @var{make-array} and\n" | |
1303 | "@var{make-uniform-array} may be unrolled, some arrays made by\n" | |
1304 | "@var{make-shared-array} may not be.\n\n" | |
1305 | "If the optional argument @var{strict} is provided, a shared array will\n" | |
1306 | "be returned only if its elements are stored internally contiguous in\n" | |
1307 | "memory.") | |
1bbd0b84 | 1308 | #define FUNC_NAME s_scm_array_contents |
0f2d19dd JB |
1309 | { |
1310 | SCM sra; | |
e0e49670 MV |
1311 | |
1312 | if (scm_is_uniform_vector (ra)) | |
1313 | return ra; | |
1314 | ||
0f2d19dd | 1315 | if (SCM_IMP (ra)) |
f3667f52 | 1316 | return SCM_BOOL_F; |
e0e49670 | 1317 | |
5c11cc9d | 1318 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
1319 | { |
1320 | default: | |
1321 | return SCM_BOOL_F; | |
1322 | case scm_tc7_vector: | |
95f5b0f5 | 1323 | case scm_tc7_wvect: |
0f2d19dd JB |
1324 | case scm_tc7_string: |
1325 | case scm_tc7_bvect: | |
0f2d19dd JB |
1326 | case scm_tc7_uvect: |
1327 | case scm_tc7_ivect: | |
1328 | case scm_tc7_fvect: | |
1329 | case scm_tc7_dvect: | |
1330 | case scm_tc7_cvect: | |
1331 | case scm_tc7_svect: | |
2a5cd898 | 1332 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd JB |
1333 | case scm_tc7_llvect: |
1334 | #endif | |
1335 | return ra; | |
1336 | case scm_tc7_smob: | |
1337 | { | |
c014a02e | 1338 | size_t k, ndim = SCM_ARRAY_NDIM (ra), len = 1; |
0f2d19dd JB |
1339 | if (!SCM_ARRAYP (ra) || !SCM_ARRAY_CONTP (ra)) |
1340 | return SCM_BOOL_F; | |
1341 | for (k = 0; k < ndim; k++) | |
1342 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1343 | if (!SCM_UNBNDP (strict)) | |
1344 | { | |
0f2d19dd JB |
1345 | if (ndim && (1 != SCM_ARRAY_DIMS (ra)[ndim - 1].inc)) |
1346 | return SCM_BOOL_F; | |
1347 | if (scm_tc7_bvect == SCM_TYP7 (SCM_ARRAY_V (ra))) | |
1348 | { | |
74014c46 | 1349 | if (len != SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) || |
c014a02e ML |
1350 | SCM_ARRAY_BASE (ra) % SCM_LONG_BIT || |
1351 | len % SCM_LONG_BIT) | |
0f2d19dd JB |
1352 | return SCM_BOOL_F; |
1353 | } | |
1354 | } | |
74014c46 DH |
1355 | |
1356 | { | |
1357 | SCM v = SCM_ARRAY_V (ra); | |
e11e83f3 | 1358 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (v)); |
74014c46 DH |
1359 | if ((len == length) && 0 == SCM_ARRAY_BASE (ra) && SCM_ARRAY_DIMS (ra)->inc) |
1360 | return v; | |
1361 | } | |
1362 | ||
0f2d19dd JB |
1363 | sra = scm_make_ra (1); |
1364 | SCM_ARRAY_DIMS (sra)->lbnd = 0; | |
1365 | SCM_ARRAY_DIMS (sra)->ubnd = len - 1; | |
1366 | SCM_ARRAY_V (sra) = SCM_ARRAY_V (ra); | |
1367 | SCM_ARRAY_BASE (sra) = SCM_ARRAY_BASE (ra); | |
1368 | SCM_ARRAY_DIMS (sra)->inc = (ndim ? SCM_ARRAY_DIMS (ra)[ndim - 1].inc : 1); | |
1369 | return sra; | |
1370 | } | |
1371 | } | |
1372 | } | |
1bbd0b84 | 1373 | #undef FUNC_NAME |
0f2d19dd | 1374 | |
1cc91f1b | 1375 | |
0f2d19dd | 1376 | SCM |
6e8d25a6 | 1377 | scm_ra2contig (SCM ra, int copy) |
0f2d19dd JB |
1378 | { |
1379 | SCM ret; | |
c014a02e ML |
1380 | long inc = 1; |
1381 | size_t k, len = 1; | |
0f2d19dd JB |
1382 | for (k = SCM_ARRAY_NDIM (ra); k--;) |
1383 | len *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1384 | k = SCM_ARRAY_NDIM (ra); | |
1385 | if (SCM_ARRAY_CONTP (ra) && ((0 == k) || (1 == SCM_ARRAY_DIMS (ra)[k - 1].inc))) | |
1386 | { | |
74014c46 | 1387 | if (scm_tc7_bvect != SCM_TYP7 (SCM_ARRAY_V (ra))) |
0f2d19dd | 1388 | return ra; |
74014c46 | 1389 | if ((len == SCM_BITVECTOR_LENGTH (SCM_ARRAY_V (ra)) && |
c014a02e ML |
1390 | 0 == SCM_ARRAY_BASE (ra) % SCM_LONG_BIT && |
1391 | 0 == len % SCM_LONG_BIT)) | |
0f2d19dd JB |
1392 | return ra; |
1393 | } | |
1394 | ret = scm_make_ra (k); | |
1395 | SCM_ARRAY_BASE (ret) = 0; | |
1396 | while (k--) | |
1397 | { | |
1398 | SCM_ARRAY_DIMS (ret)[k].lbnd = SCM_ARRAY_DIMS (ra)[k].lbnd; | |
1399 | SCM_ARRAY_DIMS (ret)[k].ubnd = SCM_ARRAY_DIMS (ra)[k].ubnd; | |
1400 | SCM_ARRAY_DIMS (ret)[k].inc = inc; | |
1401 | inc *= SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1; | |
1402 | } | |
08112c95 | 1403 | SCM_ARRAY_V (ret) = scm_make_uve (inc, scm_array_prototype (ra)); |
0f2d19dd JB |
1404 | if (copy) |
1405 | scm_array_copy_x (ra, ret); | |
1406 | return ret; | |
1407 | } | |
1408 | ||
1409 | ||
1410 | ||
3b3b36dd | 1411 | SCM_DEFINE (scm_uniform_array_read_x, "uniform-array-read!", 1, 3, 0, |
1bbd0b84 | 1412 | (SCM ra, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 NJ |
1413 | "@deffnx {Scheme Procedure} uniform-vector-read! uve [port-or-fdes] [start] [end]\n" |
1414 | "Attempt to read all elements of @var{ura}, in lexicographic order, as\n" | |
b380b885 | 1415 | "binary objects from @var{port-or-fdes}.\n" |
8f85c0c6 NJ |
1416 | "If an end of file is encountered,\n" |
1417 | "the objects up to that point are put into @var{ura}\n" | |
b380b885 MD |
1418 | "(starting at the beginning) and the remainder of the array is\n" |
1419 | "unchanged.\n\n" | |
1420 | "The optional arguments @var{start} and @var{end} allow\n" | |
1421 | "a specified region of a vector (or linearized array) to be read,\n" | |
1422 | "leaving the remainder of the vector unchanged.\n\n" | |
1423 | "@code{uniform-array-read!} returns the number of objects read.\n" | |
1424 | "@var{port-or-fdes} may be omitted, in which case it defaults to the value\n" | |
1425 | "returned by @code{(current-input-port)}.") | |
1bbd0b84 | 1426 | #define FUNC_NAME s_scm_uniform_array_read_x |
0f2d19dd | 1427 | { |
35de7ebe | 1428 | SCM cra = SCM_UNDEFINED, v = ra; |
c014a02e ML |
1429 | long sz, vlen, ans; |
1430 | long cstart = 0; | |
1431 | long cend; | |
1432 | long offset = 0; | |
405aaef9 | 1433 | char *base; |
35de7ebe | 1434 | |
0f2d19dd | 1435 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1436 | if (SCM_UNBNDP (port_or_fd)) |
1437 | port_or_fd = scm_cur_inp; | |
1438 | else | |
e11e83f3 | 1439 | SCM_ASSERT (scm_is_integer (port_or_fd) |
0c95b57d | 1440 | || (SCM_OPINPORTP (port_or_fd)), |
1bbd0b84 | 1441 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1442 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1443 | ? 0 | |
e11e83f3 | 1444 | : scm_to_long (scm_uniform_vector_length (v))); |
35de7ebe | 1445 | |
0f2d19dd | 1446 | loop: |
e0e49670 | 1447 | if (scm_is_uniform_vector (v)) |
0f2d19dd | 1448 | { |
e0e49670 MV |
1449 | base = scm_uniform_vector_elements (v); |
1450 | sz = scm_uniform_vector_element_size (v); | |
1451 | } | |
1452 | else | |
1453 | switch SCM_TYP7 (v) | |
1454 | { | |
1455 | default: | |
1456 | badarg1:SCM_WRONG_TYPE_ARG (SCM_ARG1, v); | |
1457 | case scm_tc7_smob: | |
1458 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1459 | cra = scm_ra2contig (ra, 0); | |
1460 | cstart += SCM_ARRAY_BASE (cra); | |
1461 | vlen = SCM_ARRAY_DIMS (cra)->inc * | |
1462 | (SCM_ARRAY_DIMS (cra)->ubnd - SCM_ARRAY_DIMS (cra)->lbnd + 1); | |
1463 | v = SCM_ARRAY_V (cra); | |
1464 | goto loop; | |
1465 | case scm_tc7_string: | |
1466 | base = NULL; /* writing to strings is special, see below. */ | |
1467 | sz = sizeof (char); | |
1468 | break; | |
1469 | case scm_tc7_bvect: | |
1470 | base = (char *) SCM_BITVECTOR_BASE (v); | |
1471 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; | |
1472 | cstart /= SCM_LONG_BIT; | |
1473 | sz = sizeof (long); | |
1474 | break; | |
1475 | case scm_tc7_uvect: | |
1476 | case scm_tc7_ivect: | |
1477 | base = (char *) SCM_UVECTOR_BASE (v); | |
1478 | sz = sizeof (long); | |
1479 | break; | |
1480 | case scm_tc7_svect: | |
1481 | base = (char *) SCM_UVECTOR_BASE (v); | |
1482 | sz = sizeof (short); | |
1483 | break; | |
2a5cd898 | 1484 | #if SCM_SIZEOF_LONG_LONG != 0 |
e0e49670 MV |
1485 | case scm_tc7_llvect: |
1486 | base = (char *) SCM_UVECTOR_BASE (v); | |
1487 | sz = sizeof (long long); | |
1488 | break; | |
0f2d19dd | 1489 | #endif |
e0e49670 MV |
1490 | case scm_tc7_fvect: |
1491 | base = (char *) SCM_UVECTOR_BASE (v); | |
1492 | sz = sizeof (float); | |
1493 | break; | |
1494 | case scm_tc7_dvect: | |
1495 | base = (char *) SCM_UVECTOR_BASE (v); | |
1496 | sz = sizeof (double); | |
1497 | break; | |
1498 | case scm_tc7_cvect: | |
1499 | base = (char *) SCM_UVECTOR_BASE (v); | |
1500 | sz = 2 * sizeof (double); | |
1501 | break; | |
1502 | } | |
1503 | ||
1146b6cd GH |
1504 | cend = vlen; |
1505 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1506 | { |
1146b6cd | 1507 | offset = |
c014a02e | 1508 | SCM_NUM2LONG (3, start); |
35de7ebe | 1509 | |
1146b6cd | 1510 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1511 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1512 | |
1513 | if (!SCM_UNBNDP (end)) | |
1514 | { | |
c014a02e ML |
1515 | long tend = |
1516 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1517 | |
1146b6cd | 1518 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1519 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1520 | cend = tend; |
1521 | } | |
0f2d19dd | 1522 | } |
35de7ebe | 1523 | |
3d8d56df GH |
1524 | if (SCM_NIMP (port_or_fd)) |
1525 | { | |
92c2555f | 1526 | scm_t_port *pt = SCM_PTAB_ENTRY (port_or_fd); |
6c951427 | 1527 | int remaining = (cend - offset) * sz; |
cc95e00a | 1528 | size_t off = (cstart + offset) * sz; |
6c951427 GH |
1529 | |
1530 | if (pt->rw_active == SCM_PORT_WRITE) | |
affc96b5 | 1531 | scm_flush (port_or_fd); |
6c951427 GH |
1532 | |
1533 | ans = cend - offset; | |
1534 | while (remaining > 0) | |
3d8d56df | 1535 | { |
6c951427 GH |
1536 | if (pt->read_pos < pt->read_end) |
1537 | { | |
1538 | int to_copy = min (pt->read_end - pt->read_pos, | |
1539 | remaining); | |
1540 | ||
cc95e00a MV |
1541 | if (base == NULL) |
1542 | { | |
1543 | /* strings */ | |
1544 | char *b = scm_i_string_writable_chars (v); | |
1545 | memcpy (b + off, pt->read_pos, to_copy); | |
1546 | scm_i_string_stop_writing (); | |
1547 | } | |
1548 | else | |
1549 | memcpy (base + off, pt->read_pos, to_copy); | |
6c951427 GH |
1550 | pt->read_pos += to_copy; |
1551 | remaining -= to_copy; | |
cc95e00a | 1552 | off += to_copy; |
6c951427 GH |
1553 | } |
1554 | else | |
1555 | { | |
affc96b5 | 1556 | if (scm_fill_input (port_or_fd) == EOF) |
6c951427 GH |
1557 | { |
1558 | if (remaining % sz != 0) | |
1559 | { | |
5d2d2ffc | 1560 | SCM_MISC_ERROR ("unexpected EOF", SCM_EOL); |
6c951427 GH |
1561 | } |
1562 | ans -= remaining / sz; | |
1563 | break; | |
1564 | } | |
6c951427 | 1565 | } |
3d8d56df | 1566 | } |
6c951427 GH |
1567 | |
1568 | if (pt->rw_random) | |
1569 | pt->rw_active = SCM_PORT_READ; | |
3d8d56df GH |
1570 | } |
1571 | else /* file descriptor. */ | |
1572 | { | |
cc95e00a MV |
1573 | if (base == NULL) |
1574 | { | |
1575 | /* strings */ | |
1576 | char *b = scm_i_string_writable_chars (v); | |
1577 | SCM_SYSCALL (ans = read (scm_to_int (port_or_fd), | |
1578 | b + (cstart + offset) * sz, | |
1579 | (sz * (cend - offset)))); | |
1580 | scm_i_string_stop_writing (); | |
1581 | } | |
1582 | else | |
1583 | SCM_SYSCALL (ans = read (scm_to_int (port_or_fd), | |
1584 | base + (cstart + offset) * sz, | |
1585 | (sz * (cend - offset)))); | |
3d8d56df | 1586 | if (ans == -1) |
1bbd0b84 | 1587 | SCM_SYSERROR; |
3d8d56df | 1588 | } |
0f2d19dd | 1589 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1590 | ans *= SCM_LONG_BIT; |
35de7ebe | 1591 | |
bc36d050 | 1592 | if (!scm_is_eq (v, ra) && !scm_is_eq (cra, ra)) |
0f2d19dd | 1593 | scm_array_copy_x (cra, ra); |
35de7ebe | 1594 | |
e11e83f3 | 1595 | return scm_from_long (ans); |
0f2d19dd | 1596 | } |
1bbd0b84 | 1597 | #undef FUNC_NAME |
0f2d19dd | 1598 | |
3b3b36dd | 1599 | SCM_DEFINE (scm_uniform_array_write, "uniform-array-write", 1, 3, 0, |
1bbd0b84 | 1600 | (SCM v, SCM port_or_fd, SCM start, SCM end), |
8f85c0c6 | 1601 | "@deffnx {Scheme Procedure} uniform-vector-write uve [port-or-fdes] [start] [end]\n" |
b380b885 MD |
1602 | "Writes all elements of @var{ura} as binary objects to\n" |
1603 | "@var{port-or-fdes}.\n\n" | |
1604 | "The optional arguments @var{start}\n" | |
1605 | "and @var{end} allow\n" | |
1606 | "a specified region of a vector (or linearized array) to be written.\n\n" | |
9401323e | 1607 | "The number of objects actually written is returned.\n" |
b380b885 MD |
1608 | "@var{port-or-fdes} may be\n" |
1609 | "omitted, in which case it defaults to the value returned by\n" | |
1610 | "@code{(current-output-port)}.") | |
1bbd0b84 | 1611 | #define FUNC_NAME s_scm_uniform_array_write |
0f2d19dd | 1612 | { |
c014a02e ML |
1613 | long sz, vlen, ans; |
1614 | long offset = 0; | |
1615 | long cstart = 0; | |
1616 | long cend; | |
cc95e00a | 1617 | const char *base; |
3d8d56df | 1618 | |
78446828 MV |
1619 | port_or_fd = SCM_COERCE_OUTPORT (port_or_fd); |
1620 | ||
0f2d19dd | 1621 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
3d8d56df GH |
1622 | if (SCM_UNBNDP (port_or_fd)) |
1623 | port_or_fd = scm_cur_outp; | |
1624 | else | |
e11e83f3 | 1625 | SCM_ASSERT (scm_is_integer (port_or_fd) |
0c95b57d | 1626 | || (SCM_OPOUTPORTP (port_or_fd)), |
1bbd0b84 | 1627 | port_or_fd, SCM_ARG2, FUNC_NAME); |
d245ce23 MD |
1628 | vlen = (SCM_TYP7 (v) == scm_tc7_smob |
1629 | ? 0 | |
e11e83f3 | 1630 | : scm_to_long (scm_uniform_vector_length (v))); |
d245ce23 | 1631 | |
0f2d19dd | 1632 | loop: |
e0e49670 | 1633 | if (scm_is_uniform_vector (v)) |
0f2d19dd | 1634 | { |
e0e49670 MV |
1635 | base = scm_uniform_vector_elements (v); |
1636 | sz = scm_uniform_vector_element_size (v); | |
1637 | } | |
1638 | else | |
1639 | switch SCM_TYP7 (v) | |
1640 | { | |
1641 | default: | |
1642 | badarg1:SCM_WRONG_TYPE_ARG (1, v); | |
1643 | case scm_tc7_smob: | |
1644 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
1645 | v = scm_ra2contig (v, 1); | |
1646 | cstart = SCM_ARRAY_BASE (v); | |
1647 | vlen = (SCM_ARRAY_DIMS (v)->inc | |
1648 | * (SCM_ARRAY_DIMS (v)->ubnd - SCM_ARRAY_DIMS (v)->lbnd + 1)); | |
1649 | v = SCM_ARRAY_V (v); | |
1650 | goto loop; | |
1651 | case scm_tc7_string: | |
1652 | base = scm_i_string_chars (v); | |
1653 | sz = sizeof (char); | |
1654 | break; | |
1655 | case scm_tc7_bvect: | |
1656 | base = (char *) SCM_BITVECTOR_BASE (v); | |
1657 | vlen = (vlen + SCM_LONG_BIT - 1) / SCM_LONG_BIT; | |
1658 | cstart /= SCM_LONG_BIT; | |
1659 | sz = sizeof (long); | |
1660 | break; | |
1661 | case scm_tc7_uvect: | |
1662 | case scm_tc7_ivect: | |
1663 | base = (char *) SCM_UVECTOR_BASE (v); | |
1664 | sz = sizeof (long); | |
1665 | break; | |
1666 | case scm_tc7_svect: | |
1667 | base = (char *) SCM_UVECTOR_BASE (v); | |
1668 | sz = sizeof (short); | |
1669 | break; | |
2a5cd898 | 1670 | #if SCM_SIZEOF_LONG_LONG != 0 |
e0e49670 MV |
1671 | case scm_tc7_llvect: |
1672 | base = (char *) SCM_UVECTOR_BASE (v); | |
1673 | sz = sizeof (long long); | |
1674 | break; | |
0f2d19dd | 1675 | #endif |
e0e49670 MV |
1676 | case scm_tc7_fvect: |
1677 | base = (char *) SCM_UVECTOR_BASE (v); | |
1678 | sz = sizeof (float); | |
1679 | break; | |
1680 | case scm_tc7_dvect: | |
1681 | base = (char *) SCM_UVECTOR_BASE (v); | |
1682 | sz = sizeof (double); | |
1683 | break; | |
1684 | case scm_tc7_cvect: | |
1685 | base = (char *) SCM_UVECTOR_BASE (v); | |
1686 | sz = 2 * sizeof (double); | |
1687 | break; | |
1688 | } | |
1689 | ||
1146b6cd GH |
1690 | cend = vlen; |
1691 | if (!SCM_UNBNDP (start)) | |
3d8d56df | 1692 | { |
1146b6cd | 1693 | offset = |
c014a02e | 1694 | SCM_NUM2LONG (3, start); |
3d8d56df | 1695 | |
1146b6cd | 1696 | if (offset < 0 || offset >= cend) |
1bbd0b84 | 1697 | scm_out_of_range (FUNC_NAME, start); |
1146b6cd GH |
1698 | |
1699 | if (!SCM_UNBNDP (end)) | |
1700 | { | |
c014a02e ML |
1701 | long tend = |
1702 | SCM_NUM2LONG (4, end); | |
3d8d56df | 1703 | |
1146b6cd | 1704 | if (tend <= offset || tend > cend) |
1bbd0b84 | 1705 | scm_out_of_range (FUNC_NAME, end); |
1146b6cd GH |
1706 | cend = tend; |
1707 | } | |
3d8d56df GH |
1708 | } |
1709 | ||
1710 | if (SCM_NIMP (port_or_fd)) | |
1711 | { | |
cc95e00a | 1712 | const char *source = base + (cstart + offset) * sz; |
6c951427 GH |
1713 | |
1714 | ans = cend - offset; | |
265e6a4d | 1715 | scm_lfwrite (source, ans * sz, port_or_fd); |
3d8d56df GH |
1716 | } |
1717 | else /* file descriptor. */ | |
1718 | { | |
e11e83f3 | 1719 | SCM_SYSCALL (ans = write (scm_to_int (port_or_fd), |
405aaef9 | 1720 | base + (cstart + offset) * sz, |
1be6b49c | 1721 | (sz * (cend - offset)))); |
3d8d56df | 1722 | if (ans == -1) |
1bbd0b84 | 1723 | SCM_SYSERROR; |
3d8d56df | 1724 | } |
0f2d19dd | 1725 | if (SCM_TYP7 (v) == scm_tc7_bvect) |
c014a02e | 1726 | ans *= SCM_LONG_BIT; |
3d8d56df | 1727 | |
e11e83f3 | 1728 | return scm_from_long (ans); |
0f2d19dd | 1729 | } |
1bbd0b84 | 1730 | #undef FUNC_NAME |
0f2d19dd JB |
1731 | |
1732 | ||
1733 | static char cnt_tab[16] = | |
1734 | {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; | |
1735 | ||
3b3b36dd | 1736 | SCM_DEFINE (scm_bit_count, "bit-count", 2, 0, 0, |
c7eb8761 | 1737 | (SCM b, SCM bitvector), |
1e6808ea | 1738 | "Return the number of occurrences of the boolean @var{b} in\n" |
c7eb8761 | 1739 | "@var{bitvector}.") |
1bbd0b84 | 1740 | #define FUNC_NAME s_scm_bit_count |
0f2d19dd | 1741 | { |
44e47754 | 1742 | SCM_VALIDATE_BOOL (1, b); |
74014c46 DH |
1743 | SCM_ASSERT (SCM_BITVECTOR_P (bitvector), bitvector, 2, FUNC_NAME); |
1744 | if (SCM_BITVECTOR_LENGTH (bitvector) == 0) { | |
44e47754 DH |
1745 | return SCM_INUM0; |
1746 | } else { | |
c014a02e ML |
1747 | unsigned long int count = 0; |
1748 | unsigned long int i = (SCM_BITVECTOR_LENGTH (bitvector) - 1) / SCM_LONG_BIT; | |
1749 | unsigned long int w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1750 | if (scm_is_false (b)) { |
44e47754 DH |
1751 | w = ~w; |
1752 | }; | |
c014a02e | 1753 | w <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (bitvector) - 1) % SCM_LONG_BIT); |
44e47754 DH |
1754 | while (1) { |
1755 | while (w) { | |
1756 | count += cnt_tab[w & 0x0f]; | |
1757 | w >>= 4; | |
1758 | } | |
1759 | if (i == 0) { | |
e11e83f3 | 1760 | return scm_from_ulong (count); |
44e47754 DH |
1761 | } else { |
1762 | --i; | |
1763 | w = SCM_UNPACK (SCM_VELTS (bitvector)[i]); | |
7888309b | 1764 | if (scm_is_false (b)) { |
44e47754 | 1765 | w = ~w; |
0f2d19dd | 1766 | } |
44e47754 | 1767 | } |
0f2d19dd | 1768 | } |
44e47754 | 1769 | } |
0f2d19dd | 1770 | } |
1bbd0b84 | 1771 | #undef FUNC_NAME |
0f2d19dd JB |
1772 | |
1773 | ||
3b3b36dd | 1774 | SCM_DEFINE (scm_bit_position, "bit-position", 3, 0, 0, |
1bbd0b84 | 1775 | (SCM item, SCM v, SCM k), |
88ecf5cb KR |
1776 | "Return the index of the first occurrance of @var{item} in bit\n" |
1777 | "vector @var{v}, starting from @var{k}. If there is no\n" | |
1778 | "@var{item} entry between @var{k} and the end of\n" | |
1779 | "@var{bitvector}, then return @code{#f}. For example,\n" | |
1780 | "\n" | |
1781 | "@example\n" | |
1782 | "(bit-position #t #*000101 0) @result{} 3\n" | |
1783 | "(bit-position #f #*0001111 3) @result{} #f\n" | |
1784 | "@end example") | |
1bbd0b84 | 1785 | #define FUNC_NAME s_scm_bit_position |
0f2d19dd | 1786 | { |
c014a02e ML |
1787 | long i, lenw, xbits, pos; |
1788 | register unsigned long w; | |
74014c46 DH |
1789 | |
1790 | SCM_VALIDATE_BOOL (1, item); | |
1791 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG2, FUNC_NAME); | |
a55c2b68 | 1792 | pos = scm_to_long (k); |
74014c46 DH |
1793 | SCM_ASSERT_RANGE (3, k, (pos <= SCM_BITVECTOR_LENGTH (v)) && (pos >= 0)); |
1794 | ||
1795 | if (pos == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1796 | return SCM_BOOL_F; |
74014c46 | 1797 | |
c014a02e ML |
1798 | lenw = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; /* watch for part words */ |
1799 | i = pos / SCM_LONG_BIT; | |
74014c46 | 1800 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1801 | if (scm_is_false (item)) |
74014c46 | 1802 | w = ~w; |
c014a02e | 1803 | xbits = (pos % SCM_LONG_BIT); |
74014c46 DH |
1804 | pos -= xbits; |
1805 | w = ((w >> xbits) << xbits); | |
c014a02e | 1806 | xbits = SCM_LONG_BIT - 1 - (SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT; |
74014c46 DH |
1807 | while (!0) |
1808 | { | |
1809 | if (w && (i == lenw)) | |
1810 | w = ((w << xbits) >> xbits); | |
1811 | if (w) | |
1812 | while (w) | |
1813 | switch (w & 0x0f) | |
1814 | { | |
1815 | default: | |
e11e83f3 | 1816 | return scm_from_long (pos); |
74014c46 DH |
1817 | case 2: |
1818 | case 6: | |
1819 | case 10: | |
1820 | case 14: | |
e11e83f3 | 1821 | return scm_from_long (pos + 1); |
74014c46 DH |
1822 | case 4: |
1823 | case 12: | |
e11e83f3 | 1824 | return scm_from_long (pos + 2); |
74014c46 | 1825 | case 8: |
e11e83f3 | 1826 | return scm_from_long (pos + 3); |
74014c46 DH |
1827 | case 0: |
1828 | pos += 4; | |
1829 | w >>= 4; | |
1830 | } | |
1831 | if (++i > lenw) | |
1832 | break; | |
c014a02e | 1833 | pos += SCM_LONG_BIT; |
f1267706 | 1834 | w = SCM_UNPACK (SCM_VELTS (v)[i]); |
7888309b | 1835 | if (scm_is_false (item)) |
0f2d19dd | 1836 | w = ~w; |
0f2d19dd | 1837 | } |
74014c46 | 1838 | return SCM_BOOL_F; |
0f2d19dd | 1839 | } |
1bbd0b84 | 1840 | #undef FUNC_NAME |
0f2d19dd JB |
1841 | |
1842 | ||
3b3b36dd | 1843 | SCM_DEFINE (scm_bit_set_star_x, "bit-set*!", 3, 0, 0, |
c7eb8761 | 1844 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1845 | "Set entries of bit vector @var{v} to @var{obj}, with @var{kv}\n" |
1846 | "selecting the entries to change. The return value is\n" | |
1847 | "unspecified.\n" | |
1848 | "\n" | |
1849 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1850 | "@code{#t} are the ones in @var{v} which are set to @var{obj}.\n" | |
1851 | "@var{kv} and @var{v} must be the same length. When @var{obj}\n" | |
1852 | "is @code{#t} it's like @var{kv} is OR'ed into @var{v}. Or when\n" | |
1853 | "@var{obj} is @code{#f} it can be seen as an ANDNOT.\n" | |
1854 | "\n" | |
1855 | "@example\n" | |
1856 | "(define bv #*01000010)\n" | |
1857 | "(bit-set*! bv #*10010001 #t)\n" | |
1858 | "bv\n" | |
1859 | "@result{} #*11010011\n" | |
1860 | "@end example\n" | |
1861 | "\n" | |
1862 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1863 | "they're indexes into @var{v} which are set to @var{obj}.\n" | |
1864 | "\n" | |
1865 | "@example\n" | |
1866 | "(define bv #*01000010)\n" | |
1867 | "(bit-set*! bv #u(5 2 7) #t)\n" | |
1868 | "bv\n" | |
1869 | "@result{} #*01100111\n" | |
1870 | "@end example") | |
1bbd0b84 | 1871 | #define FUNC_NAME s_scm_bit_set_star_x |
0f2d19dd | 1872 | { |
c014a02e | 1873 | register long i, k, vlen; |
74014c46 | 1874 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1875 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1876 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1877 | { |
1878 | default: | |
276dd677 | 1879 | badarg2:SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1880 | case scm_tc7_uvect: |
74014c46 | 1881 | vlen = SCM_BITVECTOR_LENGTH (v); |
7888309b | 1882 | if (scm_is_false (obj)) |
74014c46 DH |
1883 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1884 | { | |
c014a02e | 1885 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1886 | if (k >= vlen) |
e11e83f3 | 1887 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 1888 | SCM_BITVEC_CLR(v, k); |
74014c46 | 1889 | } |
bc36d050 | 1890 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
74014c46 DH |
1891 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1892 | { | |
c014a02e | 1893 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1894 | if (k >= vlen) |
e11e83f3 | 1895 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 1896 | SCM_BITVEC_SET(v, k); |
74014c46 DH |
1897 | } |
1898 | else | |
276dd677 | 1899 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1900 | break; |
1901 | case scm_tc7_bvect: | |
74014c46 | 1902 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
7888309b | 1903 | if (scm_is_false (obj)) |
c014a02e | 1904 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1905 | SCM_BITVECTOR_BASE (v) [k] &= ~SCM_BITVECTOR_BASE (kv) [k]; |
bc36d050 | 1906 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
c014a02e | 1907 | for (k = (SCM_BITVECTOR_LENGTH (v) + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 1908 | SCM_BITVECTOR_BASE (v) [k] |= SCM_BITVECTOR_BASE (kv) [k]; |
0f2d19dd JB |
1909 | else |
1910 | goto badarg3; | |
1911 | break; | |
1912 | } | |
1913 | return SCM_UNSPECIFIED; | |
1914 | } | |
1bbd0b84 | 1915 | #undef FUNC_NAME |
0f2d19dd JB |
1916 | |
1917 | ||
3b3b36dd | 1918 | SCM_DEFINE (scm_bit_count_star, "bit-count*", 3, 0, 0, |
1bbd0b84 | 1919 | (SCM v, SCM kv, SCM obj), |
88ecf5cb KR |
1920 | "Return a count of how many entries in bit vector @var{v} are\n" |
1921 | "equal to @var{obj}, with @var{kv} selecting the entries to\n" | |
1922 | "consider.\n" | |
1923 | "\n" | |
1924 | "If @var{kv} is a bit vector, then those entries where it has\n" | |
1925 | "@code{#t} are the ones in @var{v} which are considered.\n" | |
1926 | "@var{kv} and @var{v} must be the same length.\n" | |
1927 | "\n" | |
1928 | "If @var{kv} is a uniform vector of unsigned long integers, then\n" | |
1929 | "it's the indexes in @var{v} to consider.\n" | |
1930 | "\n" | |
1931 | "For example,\n" | |
1932 | "\n" | |
1933 | "@example\n" | |
1934 | "(bit-count* #*01110111 #*11001101 #t) @result{} 3\n" | |
1935 | "(bit-count* #*01110111 #u(7 0 4) #f) @result{} 2\n" | |
1936 | "@end example") | |
1bbd0b84 | 1937 | #define FUNC_NAME s_scm_bit_count_star |
0f2d19dd | 1938 | { |
c014a02e ML |
1939 | register long i, vlen, count = 0; |
1940 | register unsigned long k; | |
41b0806d | 1941 | int fObj = 0; |
c209c88e | 1942 | |
74014c46 | 1943 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); |
0f2d19dd | 1944 | SCM_ASRTGO (SCM_NIMP (kv), badarg2); |
5c11cc9d | 1945 | switch SCM_TYP7 (kv) |
0f2d19dd JB |
1946 | { |
1947 | default: | |
c209c88e | 1948 | badarg2: |
276dd677 | 1949 | SCM_WRONG_TYPE_ARG (2, kv); |
0f2d19dd | 1950 | case scm_tc7_uvect: |
74014c46 | 1951 | vlen = SCM_BITVECTOR_LENGTH (v); |
7888309b | 1952 | if (scm_is_false (obj)) |
74014c46 DH |
1953 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1954 | { | |
c014a02e | 1955 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1956 | if (k >= vlen) |
e11e83f3 | 1957 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 1958 | if (!SCM_BITVEC_REF(v, k)) |
74014c46 DH |
1959 | count++; |
1960 | } | |
bc36d050 | 1961 | else if (scm_is_eq (obj, SCM_BOOL_T)) |
74014c46 DH |
1962 | for (i = SCM_UVECTOR_LENGTH (kv); i;) |
1963 | { | |
c014a02e | 1964 | k = SCM_UNPACK (SCM_VELTS (kv)[--i]); |
74014c46 | 1965 | if (k >= vlen) |
e11e83f3 | 1966 | scm_out_of_range (FUNC_NAME, scm_from_long (k)); |
34d19ef6 | 1967 | if (SCM_BITVEC_REF (v, k)) |
74014c46 DH |
1968 | count++; |
1969 | } | |
1970 | else | |
276dd677 | 1971 | badarg3:SCM_WRONG_TYPE_ARG (3, obj); |
0f2d19dd JB |
1972 | break; |
1973 | case scm_tc7_bvect: | |
74014c46 DH |
1974 | SCM_ASSERT (SCM_BITVECTOR_LENGTH (v) == SCM_BITVECTOR_LENGTH (kv), v, SCM_ARG1, FUNC_NAME); |
1975 | if (0 == SCM_BITVECTOR_LENGTH (v)) | |
0f2d19dd | 1976 | return SCM_INUM0; |
7888309b | 1977 | SCM_ASRTGO (scm_is_bool (obj), badarg3); |
bc36d050 | 1978 | fObj = scm_is_eq (obj, SCM_BOOL_T); |
c014a02e ML |
1979 | i = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; |
1980 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK (SCM_VELTS (v)[i]) : ~ SCM_UNPACK (SCM_VELTS (v)[i])); | |
1981 | k <<= SCM_LONG_BIT - 1 - ((SCM_BITVECTOR_LENGTH (v) - 1) % SCM_LONG_BIT); | |
c209c88e | 1982 | while (1) |
0f2d19dd JB |
1983 | { |
1984 | for (; k; k >>= 4) | |
1985 | count += cnt_tab[k & 0x0f]; | |
1986 | if (0 == i--) | |
e11e83f3 | 1987 | return scm_from_long (count); |
c209c88e GB |
1988 | |
1989 | /* urg. repetitive (see above.) */ | |
c014a02e | 1990 | k = SCM_UNPACK (SCM_VELTS (kv)[i]) & (fObj ? SCM_UNPACK(SCM_VELTS (v)[i]) : ~SCM_UNPACK (SCM_VELTS (v)[i])); |
0f2d19dd JB |
1991 | } |
1992 | } | |
e11e83f3 | 1993 | return scm_from_long (count); |
0f2d19dd | 1994 | } |
1bbd0b84 | 1995 | #undef FUNC_NAME |
0f2d19dd JB |
1996 | |
1997 | ||
3b3b36dd | 1998 | SCM_DEFINE (scm_bit_invert_x, "bit-invert!", 1, 0, 0, |
1bbd0b84 | 1999 | (SCM v), |
88ecf5cb KR |
2000 | "Modify the bit vector @var{v} by replacing each element with\n" |
2001 | "its negation.") | |
1bbd0b84 | 2002 | #define FUNC_NAME s_scm_bit_invert_x |
0f2d19dd | 2003 | { |
c014a02e | 2004 | long int k; |
74014c46 DH |
2005 | |
2006 | SCM_ASSERT (SCM_BITVECTOR_P (v), v, SCM_ARG1, FUNC_NAME); | |
2007 | ||
2008 | k = SCM_BITVECTOR_LENGTH (v); | |
c014a02e | 2009 | for (k = (k + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k--;) |
bab246f3 | 2010 | SCM_BITVECTOR_BASE (v) [k] = ~SCM_BITVECTOR_BASE (v) [k]; |
74014c46 | 2011 | |
0f2d19dd JB |
2012 | return SCM_UNSPECIFIED; |
2013 | } | |
1bbd0b84 | 2014 | #undef FUNC_NAME |
0f2d19dd JB |
2015 | |
2016 | ||
0f2d19dd | 2017 | SCM |
cc95e00a | 2018 | scm_istr2bve (SCM str) |
0f2d19dd | 2019 | { |
cc95e00a | 2020 | size_t len = scm_i_string_length (str); |
0f2d19dd | 2021 | SCM v = scm_make_uve (len, SCM_BOOL_T); |
c014a02e ML |
2022 | long *data = (long *) SCM_VELTS (v); |
2023 | register unsigned long mask; | |
2024 | register long k; | |
2025 | register long j; | |
cc95e00a MV |
2026 | const char *c_str = scm_i_string_chars (str); |
2027 | ||
c014a02e | 2028 | for (k = 0; k < (len + SCM_LONG_BIT - 1) / SCM_LONG_BIT; k++) |
0f2d19dd JB |
2029 | { |
2030 | data[k] = 0L; | |
c014a02e ML |
2031 | j = len - k * SCM_LONG_BIT; |
2032 | if (j > SCM_LONG_BIT) | |
2033 | j = SCM_LONG_BIT; | |
0f2d19dd | 2034 | for (mask = 1L; j--; mask <<= 1) |
cc95e00a | 2035 | switch (*c_str++) |
0f2d19dd JB |
2036 | { |
2037 | case '0': | |
2038 | break; | |
2039 | case '1': | |
2040 | data[k] |= mask; | |
2041 | break; | |
2042 | default: | |
2043 | return SCM_BOOL_F; | |
2044 | } | |
2045 | } | |
2046 | return v; | |
2047 | } | |
2048 | ||
2049 | ||
1cc91f1b | 2050 | |
0f2d19dd | 2051 | static SCM |
34d19ef6 | 2052 | ra2l (SCM ra, unsigned long base, unsigned long k) |
0f2d19dd JB |
2053 | { |
2054 | register SCM res = SCM_EOL; | |
c014a02e ML |
2055 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2056 | register size_t i; | |
0f2d19dd JB |
2057 | if (SCM_ARRAY_DIMS (ra)[k].ubnd < SCM_ARRAY_DIMS (ra)[k].lbnd) |
2058 | return SCM_EOL; | |
2059 | i = base + (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd) * inc; | |
2060 | if (k < SCM_ARRAY_NDIM (ra) - 1) | |
2061 | { | |
2062 | do | |
2063 | { | |
2064 | i -= inc; | |
2065 | res = scm_cons (ra2l (ra, i, k + 1), res); | |
2066 | } | |
2067 | while (i != base); | |
2068 | } | |
2069 | else | |
2070 | do | |
2071 | { | |
2072 | i -= inc; | |
e11e83f3 | 2073 | res = scm_cons (scm_uniform_vector_ref (SCM_ARRAY_V (ra), scm_from_size_t (i)), res); |
0f2d19dd JB |
2074 | } |
2075 | while (i != base); | |
2076 | return res; | |
2077 | } | |
2078 | ||
2079 | ||
cd328b4f | 2080 | SCM_DEFINE (scm_array_to_list, "array->list", 1, 0, 0, |
1bbd0b84 | 2081 | (SCM v), |
1e6808ea MG |
2082 | "Return a list consisting of all the elements, in order, of\n" |
2083 | "@var{array}.") | |
cd328b4f | 2084 | #define FUNC_NAME s_scm_array_to_list |
0f2d19dd JB |
2085 | { |
2086 | SCM res = SCM_EOL; | |
c014a02e | 2087 | register long k; |
e0e49670 MV |
2088 | |
2089 | if (scm_is_uniform_vector (v)) | |
2090 | return scm_uniform_vector_to_list (v); | |
2091 | ||
0f2d19dd | 2092 | SCM_ASRTGO (SCM_NIMP (v), badarg1); |
74014c46 | 2093 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2094 | { |
2095 | default: | |
276dd677 | 2096 | badarg1:SCM_WRONG_TYPE_ARG (1, v); |
0f2d19dd JB |
2097 | case scm_tc7_smob: |
2098 | SCM_ASRTGO (SCM_ARRAYP (v), badarg1); | |
2099 | return ra2l (v, SCM_ARRAY_BASE (v), 0); | |
2100 | case scm_tc7_vector: | |
95f5b0f5 | 2101 | case scm_tc7_wvect: |
0f2d19dd JB |
2102 | return scm_vector_to_list (v); |
2103 | case scm_tc7_string: | |
2104 | return scm_string_to_list (v); | |
2105 | case scm_tc7_bvect: | |
2106 | { | |
c014a02e ML |
2107 | long *data = (long *) SCM_VELTS (v); |
2108 | register unsigned long mask; | |
2109 | for (k = (SCM_BITVECTOR_LENGTH (v) - 1) / SCM_LONG_BIT; k > 0; k--) | |
2110 | for (mask = 1UL << (SCM_LONG_BIT - 1); mask; mask >>= 1) | |
7888309b | 2111 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
c014a02e | 2112 | for (mask = 1L << ((SCM_BITVECTOR_LENGTH (v) % SCM_LONG_BIT) - 1); mask; mask >>= 1) |
7888309b | 2113 | res = scm_cons (scm_from_bool(((long *) data)[k] & mask), res); |
0f2d19dd JB |
2114 | return res; |
2115 | } | |
af7546eb DH |
2116 | case scm_tc7_uvect: |
2117 | { | |
e11e83f3 | 2118 | unsigned long *data = (unsigned long *)SCM_VELTS(v); |
af7546eb | 2119 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
e11e83f3 | 2120 | res = scm_cons(scm_from_ulong (data[k]), res); |
af7546eb DH |
2121 | return res; |
2122 | } | |
2123 | case scm_tc7_ivect: | |
2124 | { | |
c014a02e | 2125 | long *data = (long *)SCM_VELTS(v); |
af7546eb | 2126 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
e11e83f3 | 2127 | res = scm_cons(scm_from_long (data[k]), res); |
af7546eb DH |
2128 | return res; |
2129 | } | |
2130 | case scm_tc7_svect: | |
2131 | { | |
2132 | short *data = (short *)SCM_VELTS(v); | |
2133 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) | |
b9bd8526 | 2134 | res = scm_cons (scm_from_short (data[k]), res); |
af7546eb DH |
2135 | return res; |
2136 | } | |
2a5cd898 | 2137 | #if SCM_SIZEOF_LONG_LONG != 0 |
af7546eb DH |
2138 | case scm_tc7_llvect: |
2139 | { | |
1be6b49c | 2140 | long long *data = (long long *)SCM_VELTS(v); |
af7546eb | 2141 | for (k = SCM_UVECTOR_LENGTH(v) - 1; k >= 0; k--) |
b9bd8526 | 2142 | res = scm_cons(scm_from_long_long (data[k]), res); |
af7546eb DH |
2143 | return res; |
2144 | } | |
0f2d19dd | 2145 | #endif |
0f2d19dd JB |
2146 | case scm_tc7_fvect: |
2147 | { | |
2148 | float *data = (float *) SCM_VELTS (v); | |
74014c46 | 2149 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
d9a67fc4 | 2150 | res = scm_cons (scm_from_double (data[k]), res); |
0f2d19dd JB |
2151 | return res; |
2152 | } | |
0f2d19dd JB |
2153 | case scm_tc7_dvect: |
2154 | { | |
2155 | double *data = (double *) SCM_VELTS (v); | |
74014c46 | 2156 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
d9a67fc4 | 2157 | res = scm_cons (scm_from_double (data[k]), res); |
0f2d19dd JB |
2158 | return res; |
2159 | } | |
2160 | case scm_tc7_cvect: | |
2161 | { | |
2162 | double (*data)[2] = (double (*)[2]) SCM_VELTS (v); | |
74014c46 | 2163 | for (k = SCM_UVECTOR_LENGTH (v) - 1; k >= 0; k--) |
7a72bb41 MV |
2164 | res = scm_cons (scm_c_make_rectangular (data[k][0], data[k][1]), |
2165 | res); | |
0f2d19dd JB |
2166 | return res; |
2167 | } | |
0f2d19dd JB |
2168 | } |
2169 | } | |
1bbd0b84 | 2170 | #undef FUNC_NAME |
0f2d19dd JB |
2171 | |
2172 | ||
c014a02e | 2173 | static int l2ra(SCM lst, SCM ra, unsigned long base, unsigned long k); |
1cc91f1b | 2174 | |
3b3b36dd | 2175 | SCM_DEFINE (scm_list_to_uniform_array, "list->uniform-array", 3, 0, 0, |
1bbd0b84 | 2176 | (SCM ndim, SCM prot, SCM lst), |
8f85c0c6 | 2177 | "@deffnx {Scheme Procedure} list->uniform-vector prot lst\n" |
1e6808ea MG |
2178 | "Return a uniform array of the type indicated by prototype\n" |
2179 | "@var{prot} with elements the same as those of @var{lst}.\n" | |
2180 | "Elements must be of the appropriate type, no coercions are\n" | |
2181 | "done.") | |
1bbd0b84 | 2182 | #define FUNC_NAME s_scm_list_to_uniform_array |
0f2d19dd JB |
2183 | { |
2184 | SCM shp = SCM_EOL; | |
2185 | SCM row = lst; | |
2186 | SCM ra; | |
c014a02e | 2187 | unsigned long k; |
0f2d19dd | 2188 | long n; |
a55c2b68 | 2189 | k = scm_to_ulong (ndim); |
0f2d19dd JB |
2190 | while (k--) |
2191 | { | |
2192 | n = scm_ilength (row); | |
1bbd0b84 | 2193 | SCM_ASSERT (n >= 0, lst, SCM_ARG3, FUNC_NAME); |
e11e83f3 | 2194 | shp = scm_cons (scm_from_long (n), shp); |
0f2d19dd JB |
2195 | if (SCM_NIMP (row)) |
2196 | row = SCM_CAR (row); | |
2197 | } | |
d12feca3 GH |
2198 | ra = scm_dimensions_to_uniform_array (scm_reverse (shp), prot, |
2199 | SCM_UNDEFINED); | |
d2e53ed6 | 2200 | if (scm_is_null (shp)) |
0f2d19dd JB |
2201 | { |
2202 | SCM_ASRTGO (1 == scm_ilength (lst), badlst); | |
2203 | scm_array_set_x (ra, SCM_CAR (lst), SCM_EOL); | |
2204 | return ra; | |
2205 | } | |
2206 | if (!SCM_ARRAYP (ra)) | |
2207 | { | |
e11e83f3 | 2208 | unsigned long length = scm_to_ulong (scm_uniform_vector_length (ra)); |
74014c46 | 2209 | for (k = 0; k < length; k++, lst = SCM_CDR (lst)) |
e11e83f3 | 2210 | scm_array_set_x (ra, SCM_CAR (lst), scm_from_ulong (k)); |
0f2d19dd JB |
2211 | return ra; |
2212 | } | |
2213 | if (l2ra (lst, ra, SCM_ARRAY_BASE (ra), 0)) | |
2214 | return ra; | |
2215 | else | |
1afff620 KN |
2216 | badlst:SCM_MISC_ERROR ("Bad scm_array contents list: ~S", |
2217 | scm_list_1 (lst)); | |
0f2d19dd | 2218 | } |
1bbd0b84 | 2219 | #undef FUNC_NAME |
0f2d19dd | 2220 | |
0f2d19dd | 2221 | static int |
c014a02e | 2222 | l2ra (SCM lst, SCM ra, unsigned long base, unsigned long k) |
0f2d19dd | 2223 | { |
c014a02e ML |
2224 | register long inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2225 | register long n = (1 + SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd); | |
0f2d19dd JB |
2226 | int ok = 1; |
2227 | if (n <= 0) | |
d2e53ed6 | 2228 | return (scm_is_null (lst)); |
0f2d19dd JB |
2229 | if (k < SCM_ARRAY_NDIM (ra) - 1) |
2230 | { | |
2231 | while (n--) | |
2232 | { | |
d2e53ed6 | 2233 | if (!scm_is_pair (lst)) |
0f2d19dd JB |
2234 | return 0; |
2235 | ok = ok && l2ra (SCM_CAR (lst), ra, base, k + 1); | |
2236 | base += inc; | |
2237 | lst = SCM_CDR (lst); | |
2238 | } | |
d2e53ed6 | 2239 | if (!scm_is_null (lst)) |
0f2d19dd JB |
2240 | return 0; |
2241 | } | |
2242 | else | |
2243 | { | |
2244 | while (n--) | |
2245 | { | |
d2e53ed6 | 2246 | if (!scm_is_pair (lst)) |
0f2d19dd | 2247 | return 0; |
e11e83f3 | 2248 | scm_array_set_x (SCM_ARRAY_V (ra), SCM_CAR (lst), scm_from_ulong (base)); |
0f2d19dd JB |
2249 | base += inc; |
2250 | lst = SCM_CDR (lst); | |
2251 | } | |
d2e53ed6 | 2252 | if (!scm_is_null (lst)) |
fee7ef83 | 2253 | return 0; |
0f2d19dd JB |
2254 | } |
2255 | return ok; | |
2256 | } | |
2257 | ||
1cc91f1b | 2258 | |
0f2d19dd | 2259 | static void |
34d19ef6 | 2260 | rapr1 (SCM ra, unsigned long j, unsigned long k, SCM port, scm_print_state *pstate) |
0f2d19dd | 2261 | { |
c014a02e ML |
2262 | long inc = 1; |
2263 | long n = (SCM_TYP7 (ra) == scm_tc7_smob | |
b8446ce8 | 2264 | ? 0 |
e11e83f3 | 2265 | : scm_to_long (scm_uniform_vector_length (ra))); |
0f2d19dd JB |
2266 | int enclosed = 0; |
2267 | tail: | |
5c11cc9d | 2268 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2269 | { |
2270 | case scm_tc7_smob: | |
2271 | if (enclosed++) | |
2272 | { | |
2273 | SCM_ARRAY_BASE (ra) = j; | |
2274 | if (n-- > 0) | |
9882ea19 | 2275 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2276 | for (j += inc; n-- > 0; j += inc) |
2277 | { | |
b7f3516f | 2278 | scm_putc (' ', port); |
0f2d19dd | 2279 | SCM_ARRAY_BASE (ra) = j; |
9882ea19 | 2280 | scm_iprin1 (ra, port, pstate); |
0f2d19dd JB |
2281 | } |
2282 | break; | |
2283 | } | |
2284 | if (k + 1 < SCM_ARRAY_NDIM (ra)) | |
2285 | { | |
c014a02e | 2286 | long i; |
0f2d19dd JB |
2287 | inc = SCM_ARRAY_DIMS (ra)[k].inc; |
2288 | for (i = SCM_ARRAY_DIMS (ra)[k].lbnd; i < SCM_ARRAY_DIMS (ra)[k].ubnd; i++) | |
2289 | { | |
b7f3516f | 2290 | scm_putc ('(', port); |
9882ea19 | 2291 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2292 | scm_puts (") ", port); |
0f2d19dd JB |
2293 | j += inc; |
2294 | } | |
2295 | if (i == SCM_ARRAY_DIMS (ra)[k].ubnd) | |
2296 | { /* could be zero size. */ | |
b7f3516f | 2297 | scm_putc ('(', port); |
9882ea19 | 2298 | rapr1 (ra, j, k + 1, port, pstate); |
b7f3516f | 2299 | scm_putc (')', port); |
0f2d19dd JB |
2300 | } |
2301 | break; | |
2302 | } | |
1be6b49c | 2303 | if (SCM_ARRAY_NDIM (ra) > 0) |
0f2d19dd JB |
2304 | { /* Could be zero-dimensional */ |
2305 | inc = SCM_ARRAY_DIMS (ra)[k].inc; | |
2306 | n = (SCM_ARRAY_DIMS (ra)[k].ubnd - SCM_ARRAY_DIMS (ra)[k].lbnd + 1); | |
2307 | } | |
2308 | else | |
2309 | n = 1; | |
2310 | ra = SCM_ARRAY_V (ra); | |
2311 | goto tail; | |
2312 | default: | |
5c11cc9d | 2313 | /* scm_tc7_bvect and scm_tc7_llvect only? */ |
0f2d19dd | 2314 | if (n-- > 0) |
e0e49670 | 2315 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2316 | for (j += inc; n-- > 0; j += inc) |
2317 | { | |
b7f3516f | 2318 | scm_putc (' ', port); |
9882ea19 | 2319 | scm_iprin1 (scm_cvref (ra, j, SCM_UNDEFINED), port, pstate); |
0f2d19dd JB |
2320 | } |
2321 | break; | |
2322 | case scm_tc7_string: | |
cc95e00a MV |
2323 | { |
2324 | const char *src; | |
2325 | src = scm_i_string_chars (ra); | |
2326 | if (n-- > 0) | |
2327 | scm_iprin1 (SCM_MAKE_CHAR (src[j]), port, pstate); | |
2328 | if (SCM_WRITINGP (pstate)) | |
2329 | for (j += inc; n-- > 0; j += inc) | |
2330 | { | |
2331 | scm_putc (' ', port); | |
2332 | scm_iprin1 (SCM_MAKE_CHAR (src[j]), port, pstate); | |
2333 | } | |
2334 | else | |
2335 | for (j += inc; n-- > 0; j += inc) | |
2336 | scm_putc (src[j], port); | |
2337 | scm_remember_upto_here_1 (ra); | |
2338 | } | |
0f2d19dd | 2339 | break; |
e0e49670 | 2340 | |
0f2d19dd | 2341 | case scm_tc7_uvect: |
5c11cc9d GH |
2342 | { |
2343 | char str[11]; | |
e0e49670 | 2344 | |
5c11cc9d GH |
2345 | if (n-- > 0) |
2346 | { | |
2347 | /* intprint can't handle >= 2^31. */ | |
fee7ef83 | 2348 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2349 | scm_puts (str, port); |
2350 | } | |
2351 | for (j += inc; n-- > 0; j += inc) | |
2352 | { | |
2353 | scm_putc (' ', port); | |
fee7ef83 | 2354 | sprintf (str, "%lu", ((unsigned long *) SCM_VELTS (ra))[j]); |
5c11cc9d GH |
2355 | scm_puts (str, port); |
2356 | } | |
2357 | } | |
0f2d19dd JB |
2358 | case scm_tc7_ivect: |
2359 | if (n-- > 0) | |
fee7ef83 | 2360 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2361 | for (j += inc; n-- > 0; j += inc) |
2362 | { | |
b7f3516f | 2363 | scm_putc (' ', port); |
fee7ef83 | 2364 | scm_intprint (((signed long *) SCM_VELTS (ra))[j], 10, port); |
0f2d19dd JB |
2365 | } |
2366 | break; | |
e0e49670 | 2367 | |
0f2d19dd JB |
2368 | case scm_tc7_svect: |
2369 | if (n-- > 0) | |
4260a7fc | 2370 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2371 | for (j += inc; n-- > 0; j += inc) |
2372 | { | |
b7f3516f | 2373 | scm_putc (' ', port); |
4260a7fc | 2374 | scm_intprint (((short *) SCM_CELL_WORD_1 (ra))[j], 10, port); |
0f2d19dd JB |
2375 | } |
2376 | break; | |
e0e49670 | 2377 | |
0f2d19dd JB |
2378 | case scm_tc7_fvect: |
2379 | if (n-- > 0) | |
2380 | { | |
d9a67fc4 | 2381 | SCM z = scm_from_double (1.0); |
bc86da5d MD |
2382 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2383 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2384 | for (j += inc; n-- > 0; j += inc) |
2385 | { | |
b7f3516f | 2386 | scm_putc (' ', port); |
bc86da5d MD |
2387 | SCM_REAL_VALUE (z) = ((float *) SCM_VELTS (ra))[j]; |
2388 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2389 | } |
2390 | } | |
2391 | break; | |
0f2d19dd JB |
2392 | case scm_tc7_dvect: |
2393 | if (n-- > 0) | |
2394 | { | |
d9a67fc4 | 2395 | SCM z = scm_from_double (1.0 / 3.0); |
bc86da5d MD |
2396 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2397 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2398 | for (j += inc; n-- > 0; j += inc) |
2399 | { | |
b7f3516f | 2400 | scm_putc (' ', port); |
bc86da5d MD |
2401 | SCM_REAL_VALUE (z) = ((double *) SCM_VELTS (ra))[j]; |
2402 | scm_print_real (z, port, pstate); | |
0f2d19dd JB |
2403 | } |
2404 | } | |
2405 | break; | |
2406 | case scm_tc7_cvect: | |
2407 | if (n-- > 0) | |
2408 | { | |
7a72bb41 MV |
2409 | SCM cz = scm_c_make_rectangular (0.0, 1.0); |
2410 | SCM z = scm_from_double (1.0/3.0); | |
bc86da5d MD |
2411 | SCM_REAL_VALUE (z) = |
2412 | SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2413 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2414 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2415 | port, pstate); | |
0f2d19dd JB |
2416 | for (j += inc; n-- > 0; j += inc) |
2417 | { | |
b7f3516f | 2418 | scm_putc (' ', port); |
bc86da5d MD |
2419 | SCM_REAL_VALUE (z) |
2420 | = SCM_COMPLEX_REAL (cz) = ((double *) SCM_VELTS (ra))[2 * j]; | |
2421 | SCM_COMPLEX_IMAG (cz) = ((double *) SCM_VELTS (ra))[2 * j + 1]; | |
2422 | scm_print_complex ((0.0 == SCM_COMPLEX_IMAG (cz) ? z : cz), | |
2423 | port, pstate); | |
0f2d19dd JB |
2424 | } |
2425 | } | |
2426 | break; | |
0f2d19dd JB |
2427 | } |
2428 | } | |
2429 | ||
e0e49670 MV |
2430 | /* Print dimension DIM of ARRAY. |
2431 | */ | |
0f2d19dd | 2432 | |
e0e49670 MV |
2433 | static int |
2434 | scm_i_print_array_dimension (SCM array, int dim, int base, | |
2435 | SCM port, scm_print_state *pstate) | |
2436 | { | |
2437 | scm_t_array_dim *dim_spec = SCM_ARRAY_DIMS (array) + dim; | |
2438 | long idx; | |
2439 | ||
2440 | scm_putc ('(', port); | |
2441 | ||
2442 | #if 0 | |
2443 | scm_putc ('{', port); | |
2444 | scm_intprint (dim_spec->lbnd, 10, port); | |
2445 | scm_putc (':', port); | |
2446 | scm_intprint (dim_spec->ubnd, 10, port); | |
2447 | scm_putc (':', port); | |
2448 | scm_intprint (dim_spec->inc, 10, port); | |
2449 | scm_putc ('}', port); | |
2450 | #endif | |
2451 | ||
2452 | for (idx = dim_spec->lbnd; idx <= dim_spec->ubnd; idx++) | |
2453 | { | |
2454 | if (dim < SCM_ARRAY_NDIM(array)-1) | |
2455 | scm_i_print_array_dimension (array, dim+1, base, port, pstate); | |
2456 | else | |
2457 | scm_iprin1 (scm_cvref (SCM_ARRAY_V (array), base, SCM_UNDEFINED), | |
2458 | port, pstate); | |
2459 | if (idx < dim_spec->ubnd) | |
2460 | scm_putc (' ', port); | |
2461 | base += dim_spec->inc; | |
2462 | } | |
2463 | ||
2464 | scm_putc (')', port); | |
2465 | return 1; | |
2466 | } | |
2467 | ||
2468 | static const char * | |
2469 | scm_i_legacy_tag (SCM v) | |
2470 | { | |
2471 | switch (SCM_TYP7 (v)) | |
2472 | { | |
2473 | case scm_tc7_bvect: | |
2474 | return "b"; | |
2475 | case scm_tc7_string: | |
2476 | return "a"; | |
2477 | case scm_tc7_uvect: | |
2478 | return "u"; | |
2479 | case scm_tc7_ivect: | |
2480 | return "e"; | |
2481 | case scm_tc7_svect: | |
2482 | return "h"; | |
2483 | #if SCM_SIZEOF_LONG_LONG != 0 | |
2484 | case scm_tc7_llvect: | |
2485 | return "l"; | |
2486 | #endif | |
2487 | case scm_tc7_fvect: | |
2488 | return "s"; | |
2489 | case scm_tc7_dvect: | |
2490 | return "i"; | |
2491 | case scm_tc7_cvect: | |
2492 | return "c"; | |
2493 | case scm_tc7_vector: | |
2494 | case scm_tc7_wvect: | |
2495 | return ""; | |
2496 | default: | |
2497 | return "?"; | |
2498 | } | |
2499 | } | |
2500 | ||
2501 | /* Print a array. (Only for strict arrays, not for strings, uniform | |
2502 | vectors, vectors and other stuff that can masquerade as an array.) | |
2503 | */ | |
2504 | ||
2505 | /* The array tag is generally of the form | |
2506 | * | |
2507 | * #<rank><unif><@lower><@lower>... | |
2508 | * | |
2509 | * <rank> is a positive integer in decimal giving the rank of the | |
2510 | * array. It is omitted when the rank is 1. | |
2511 | * | |
2512 | * <unif> is the tag for a uniform (or homogenous) numeric vector, | |
2513 | * like u8, s16, etc, as defined by SRFI-4. It is omitted when the | |
2514 | * array is not uniform. | |
2515 | * | |
2516 | * <@lower> is a 'at' sign followed by a integer in decimal giving the | |
2517 | * lower bound of a dimension. There is one <@lower> for each | |
2518 | * dimension. When all lower bounds are zero, all <@lower> are | |
2519 | * omitted. | |
2520 | * | |
2521 | * Thus, | |
2522 | * | |
2523 | * #(1 2 3) is non-uniform array of rank 1 with lower bound 0 in | |
2524 | * dimension 0. (I.e., a regular vector.) | |
2525 | * | |
2526 | * #@2(1 2 3) is non-uniform array of rank 1 with lower bound 2 in | |
2527 | * dimension 0. | |
2528 | * | |
2529 | * #2((1 2 3) (4 5 6)) is a non-uniform array of rank 2; a 3x3 | |
2530 | * matrix with index ranges 0..2 and 0..2. | |
2531 | * | |
2532 | * #u32(0 1 2) is a uniform u8 array of rank 1. | |
2533 | * | |
2534 | * #2u32@2@3((1 2) (2 3)) is a uniform u8 array of rank 2 with index | |
2535 | * ranges 2..3 and 3..4. | |
2536 | */ | |
2537 | ||
2538 | static int | |
2539 | scm_i_print_array (SCM array, SCM port, scm_print_state *pstate) | |
2540 | { | |
2541 | long ndim = SCM_ARRAY_NDIM (array); | |
2542 | scm_t_array_dim *dim_specs = SCM_ARRAY_DIMS (array); | |
2543 | unsigned long base = SCM_ARRAY_BASE (array); | |
2544 | long i; | |
2545 | ||
2546 | scm_putc ('#', port); | |
2547 | if (ndim != 1) | |
2548 | scm_intprint (ndim, 10, port); | |
2549 | if (scm_is_uniform_vector (SCM_ARRAY_V (array))) | |
2550 | scm_puts (scm_i_uniform_vector_tag (SCM_ARRAY_V (array)), port); | |
2551 | else | |
2552 | scm_puts (scm_i_legacy_tag (SCM_ARRAY_V (array)), port); | |
2553 | for (i = 0; i < ndim; i++) | |
2554 | if (dim_specs[i].lbnd != 0) | |
2555 | { | |
2556 | for (i = 0; i < ndim; i++) | |
2557 | { | |
2558 | scm_putc ('@', port); | |
2559 | scm_uintprint (dim_specs[i].lbnd, 10, port); | |
2560 | } | |
2561 | break; | |
2562 | } | |
2563 | ||
2564 | #if 0 | |
2565 | scm_putc ('{', port); | |
2566 | scm_uintprint (base, 10, port); | |
2567 | scm_putc ('}', port); | |
2568 | #endif | |
2569 | ||
2570 | return scm_i_print_array_dimension (array, 0, base, port, pstate); | |
2571 | } | |
1cc91f1b | 2572 | |
0f2d19dd | 2573 | int |
1bbd0b84 | 2574 | scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
2575 | { |
2576 | SCM v = exp; | |
c014a02e | 2577 | unsigned long base = 0; |
e0e49670 MV |
2578 | |
2579 | if (SCM_ARRAYP (exp)) // && scm_is_uniform_vector (SCM_ARRAY_V (exp))) | |
2580 | return scm_i_print_array (exp, port, pstate); | |
2581 | ||
b7f3516f | 2582 | scm_putc ('#', port); |
0f2d19dd | 2583 | tail: |
5c11cc9d | 2584 | switch SCM_TYP7 (v) |
0f2d19dd JB |
2585 | { |
2586 | case scm_tc7_smob: | |
2587 | { | |
2588 | long ndim = SCM_ARRAY_NDIM (v); | |
2589 | base = SCM_ARRAY_BASE (v); | |
2590 | v = SCM_ARRAY_V (v); | |
2591 | if (SCM_ARRAYP (v)) | |
2592 | ||
2593 | { | |
b7f3516f | 2594 | scm_puts ("<enclosed-array ", port); |
9882ea19 | 2595 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2596 | scm_putc ('>', port); |
0f2d19dd JB |
2597 | return 1; |
2598 | } | |
2599 | else | |
2600 | { | |
2601 | scm_intprint (ndim, 10, port); | |
2602 | goto tail; | |
2603 | } | |
2604 | } | |
2605 | case scm_tc7_bvect: | |
bc36d050 | 2606 | if (scm_is_eq (exp, v)) |
0f2d19dd | 2607 | { /* a uve, not an scm_array */ |
c014a02e | 2608 | register long i, j, w; |
b7f3516f | 2609 | scm_putc ('*', port); |
c014a02e | 2610 | for (i = 0; i < (SCM_BITVECTOR_LENGTH (exp)) / SCM_LONG_BIT; i++) |
0f2d19dd | 2611 | { |
92c2555f | 2612 | scm_t_bits w = SCM_UNPACK (SCM_VELTS (exp)[i]); |
c014a02e | 2613 | for (j = SCM_LONG_BIT; j; j--) |
0f2d19dd | 2614 | { |
b7f3516f | 2615 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2616 | w >>= 1; |
2617 | } | |
2618 | } | |
c014a02e | 2619 | j = SCM_BITVECTOR_LENGTH (exp) % SCM_LONG_BIT; |
0f2d19dd JB |
2620 | if (j) |
2621 | { | |
c014a02e | 2622 | w = SCM_UNPACK (SCM_VELTS (exp)[SCM_BITVECTOR_LENGTH (exp) / SCM_LONG_BIT]); |
0f2d19dd JB |
2623 | for (; j; j--) |
2624 | { | |
b7f3516f | 2625 | scm_putc (w & 1 ? '1' : '0', port); |
0f2d19dd JB |
2626 | w >>= 1; |
2627 | } | |
2628 | } | |
2629 | return 1; | |
2630 | } | |
2631 | else | |
b7f3516f | 2632 | scm_putc ('b', port); |
0f2d19dd JB |
2633 | break; |
2634 | case scm_tc7_string: | |
b7f3516f | 2635 | scm_putc ('a', port); |
0f2d19dd | 2636 | break; |
0f2d19dd | 2637 | case scm_tc7_uvect: |
b7f3516f | 2638 | scm_putc ('u', port); |
0f2d19dd JB |
2639 | break; |
2640 | case scm_tc7_ivect: | |
b7f3516f | 2641 | scm_putc ('e', port); |
0f2d19dd JB |
2642 | break; |
2643 | case scm_tc7_svect: | |
05c33d09 | 2644 | scm_putc ('h', port); |
0f2d19dd | 2645 | break; |
2a5cd898 | 2646 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2647 | case scm_tc7_llvect: |
5c11cc9d | 2648 | scm_putc ('l', port); |
0f2d19dd JB |
2649 | break; |
2650 | #endif | |
0f2d19dd | 2651 | case scm_tc7_fvect: |
b7f3516f | 2652 | scm_putc ('s', port); |
0f2d19dd | 2653 | break; |
0f2d19dd | 2654 | case scm_tc7_dvect: |
b7f3516f | 2655 | scm_putc ('i', port); |
0f2d19dd JB |
2656 | break; |
2657 | case scm_tc7_cvect: | |
b7f3516f | 2658 | scm_putc ('c', port); |
0f2d19dd | 2659 | break; |
0f2d19dd | 2660 | } |
b7f3516f | 2661 | scm_putc ('(', port); |
9882ea19 | 2662 | rapr1 (exp, base, 0, port, pstate); |
b7f3516f | 2663 | scm_putc (')', port); |
0f2d19dd JB |
2664 | return 1; |
2665 | } | |
2666 | ||
3b3b36dd | 2667 | SCM_DEFINE (scm_array_prototype, "array-prototype", 1, 0, 0, |
1bbd0b84 | 2668 | (SCM ra), |
1e6808ea MG |
2669 | "Return an object that would produce an array of the same type\n" |
2670 | "as @var{array}, if used as the @var{prototype} for\n" | |
b380b885 | 2671 | "@code{make-uniform-array}.") |
1bbd0b84 | 2672 | #define FUNC_NAME s_scm_array_prototype |
0f2d19dd JB |
2673 | { |
2674 | int enclosed = 0; | |
2675 | SCM_ASRTGO (SCM_NIMP (ra), badarg); | |
2676 | loop: | |
e0e49670 MV |
2677 | if (scm_is_uniform_vector (ra)) |
2678 | return scm_i_uniform_vector_prototype (ra); | |
2679 | ||
74014c46 | 2680 | switch SCM_TYP7 (ra) |
0f2d19dd JB |
2681 | { |
2682 | default: | |
276dd677 | 2683 | badarg:SCM_WRONG_TYPE_ARG (1, ra); |
0f2d19dd JB |
2684 | case scm_tc7_smob: |
2685 | SCM_ASRTGO (SCM_ARRAYP (ra), badarg); | |
2686 | if (enclosed++) | |
2687 | return SCM_UNSPECIFIED; | |
2688 | ra = SCM_ARRAY_V (ra); | |
2689 | goto loop; | |
2690 | case scm_tc7_vector: | |
95f5b0f5 | 2691 | case scm_tc7_wvect: |
0f2d19dd JB |
2692 | return SCM_EOL; |
2693 | case scm_tc7_bvect: | |
2694 | return SCM_BOOL_T; | |
2695 | case scm_tc7_string: | |
7866a09b | 2696 | return SCM_MAKE_CHAR ('a'); |
0f2d19dd | 2697 | case scm_tc7_uvect: |
e11e83f3 | 2698 | return scm_from_int (1); |
0f2d19dd | 2699 | case scm_tc7_ivect: |
e11e83f3 | 2700 | return scm_from_int (-1); |
0f2d19dd | 2701 | case scm_tc7_svect: |
cc95e00a | 2702 | return scm_from_locale_symbol ("s"); |
2a5cd898 | 2703 | #if SCM_SIZEOF_LONG_LONG != 0 |
0f2d19dd | 2704 | case scm_tc7_llvect: |
cc95e00a | 2705 | return scm_from_locale_symbol ("l"); |
0f2d19dd | 2706 | #endif |
0f2d19dd | 2707 | case scm_tc7_fvect: |
d9a67fc4 | 2708 | return scm_from_double (1.0); |
0f2d19dd | 2709 | case scm_tc7_dvect: |
7c183c95 | 2710 | return exactly_one_third; |
0f2d19dd | 2711 | case scm_tc7_cvect: |
7a72bb41 | 2712 | return scm_c_make_rectangular (0.0, 1.0); |
0f2d19dd JB |
2713 | } |
2714 | } | |
1bbd0b84 | 2715 | #undef FUNC_NAME |
0f2d19dd | 2716 | |
1cc91f1b | 2717 | |
0f2d19dd | 2718 | static SCM |
e841c3e0 | 2719 | array_mark (SCM ptr) |
0f2d19dd | 2720 | { |
0f2d19dd JB |
2721 | return SCM_ARRAY_V (ptr); |
2722 | } | |
2723 | ||
1cc91f1b | 2724 | |
1be6b49c | 2725 | static size_t |
e841c3e0 | 2726 | array_free (SCM ptr) |
0f2d19dd | 2727 | { |
4c9419ac MV |
2728 | scm_gc_free (SCM_ARRAY_MEM (ptr), |
2729 | (sizeof (scm_t_array) | |
2730 | + SCM_ARRAY_NDIM (ptr) * sizeof (scm_t_array_dim)), | |
2731 | "array"); | |
2732 | return 0; | |
0f2d19dd JB |
2733 | } |
2734 | ||
0f2d19dd JB |
2735 | void |
2736 | scm_init_unif () | |
0f2d19dd | 2737 | { |
e841c3e0 KN |
2738 | scm_tc16_array = scm_make_smob_type ("array", 0); |
2739 | scm_set_smob_mark (scm_tc16_array, array_mark); | |
2740 | scm_set_smob_free (scm_tc16_array, array_free); | |
2741 | scm_set_smob_print (scm_tc16_array, scm_raprin1); | |
2742 | scm_set_smob_equalp (scm_tc16_array, scm_array_equal_p); | |
cba42c93 MV |
2743 | exactly_one_third = scm_permanent_object (scm_divide (scm_from_int (1), |
2744 | scm_from_int (3))); | |
0f2d19dd | 2745 | scm_add_feature ("array"); |
a0599745 | 2746 | #include "libguile/unif.x" |
0f2d19dd | 2747 | } |
89e00824 ML |
2748 | |
2749 | /* | |
2750 | Local Variables: | |
2751 | c-file-style: "gnu" | |
2752 | End: | |
2753 | */ |