Commit | Line | Data |
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72e2b592 DL |
1 | /* Copyright (C) 1996, 1998, 2000, 2001, 2004, 2005, 2006, 2008, 2009, |
2 | * 2010, 2012, 2013 Free Software Foundation, Inc. | |
3 | * | |
73be1d9e | 4 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
5 | * modify it under the terms of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation; either version 3 of | |
7 | * the License, or (at your option) any later version. | |
0f2d19dd | 8 | * |
53befeb7 NJ |
9 | * This library is distributed in the hope that it will be useful, but |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. | |
0f2d19dd | 13 | * |
73be1d9e MV |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | * 02110-1301 USA | |
73be1d9e | 18 | */ |
1bbd0b84 | 19 | |
1bbd0b84 | 20 | |
0f2d19dd JB |
21 | \f |
22 | ||
23 | ||
24 | \f | |
dbb605f5 LC |
25 | #ifdef HAVE_CONFIG_H |
26 | # include <config.h> | |
27 | #endif | |
0f2d19dd | 28 | |
a0599745 | 29 | #include "libguile/_scm.h" |
405aaef9 | 30 | #include "libguile/strings.h" |
2fa901a5 | 31 | #include "libguile/arrays.h" |
a0599745 MD |
32 | #include "libguile/smob.h" |
33 | #include "libguile/chars.h" | |
34 | #include "libguile/eq.h" | |
35 | #include "libguile/eval.h" | |
36 | #include "libguile/feature.h" | |
37 | #include "libguile/root.h" | |
38 | #include "libguile/vectors.h" | |
cf396142 | 39 | #include "libguile/bitvectors.h" |
b4bdadde | 40 | #include "libguile/srfi-4.h" |
1030b450 | 41 | #include "libguile/generalized-arrays.h" |
f332e957 | 42 | #include "libguile/generalized-vectors.h" |
a0599745 MD |
43 | |
44 | #include "libguile/validate.h" | |
5d1b3b2d | 45 | #include "libguile/array-map.h" |
0f2d19dd JB |
46 | \f |
47 | ||
d66b74dc LC |
48 | /* The WHAT argument for `scm_gc_malloc ()' et al. */ |
49 | static const char indices_gc_hint[] = "array-indices"; | |
50 | ||
0f2d19dd | 51 | |
85516012 MV |
52 | #define GVREF scm_c_generalized_vector_ref |
53 | #define GVSET scm_c_generalized_vector_set_x | |
c209c88e | 54 | |
c014a02e | 55 | static unsigned long |
b4b33636 | 56 | cind (SCM ra, long *ve) |
0f2d19dd | 57 | { |
c014a02e | 58 | unsigned long i; |
0f2d19dd | 59 | int k; |
04b87de5 | 60 | if (!SCM_I_ARRAYP (ra)) |
0f2d19dd | 61 | return *ve; |
04b87de5 MV |
62 | i = SCM_I_ARRAY_BASE (ra); |
63 | for (k = 0; k < SCM_I_ARRAY_NDIM (ra); k++) | |
64 | i += (ve[k] - SCM_I_ARRAY_DIMS (ra)[k].lbnd) * SCM_I_ARRAY_DIMS (ra)[k].inc; | |
0f2d19dd JB |
65 | return i; |
66 | } | |
67 | ||
68 | ||
69 | /* Checker for scm_array mapping functions: | |
70 | return values: 4 --> shapes, increments, and bases are the same; | |
71 | 3 --> shapes and increments are the same; | |
72 | 2 --> shapes are the same; | |
73 | 1 --> ras are at least as big as ra0; | |
74 | 0 --> no match. | |
75 | */ | |
1cc91f1b | 76 | |
0f2d19dd | 77 | int |
6e8d25a6 | 78 | scm_ra_matchp (SCM ra0, SCM ras) |
0f2d19dd JB |
79 | { |
80 | SCM ra1; | |
92c2555f MV |
81 | scm_t_array_dim dims; |
82 | scm_t_array_dim *s0 = &dims; | |
83 | scm_t_array_dim *s1; | |
c014a02e | 84 | unsigned long bas0 = 0; |
0f2d19dd | 85 | int i, ndim = 1; |
399aba0a MV |
86 | int exact = 2 /* 4 */ ; /* Don't care about values >2 (yet?) */ |
87 | ||
88 | if (scm_is_generalized_vector (ra0)) | |
c209c88e | 89 | { |
c209c88e GB |
90 | s0->lbnd = 0; |
91 | s0->inc = 1; | |
399aba0a MV |
92 | s0->ubnd = scm_c_generalized_vector_length (ra0) - 1; |
93 | } | |
04b87de5 | 94 | else if (SCM_I_ARRAYP (ra0)) |
399aba0a | 95 | { |
04b87de5 MV |
96 | ndim = SCM_I_ARRAY_NDIM (ra0); |
97 | s0 = SCM_I_ARRAY_DIMS (ra0); | |
98 | bas0 = SCM_I_ARRAY_BASE (ra0); | |
c209c88e | 99 | } |
399aba0a MV |
100 | else |
101 | return 0; | |
102 | ||
368cf54d | 103 | while (SCM_NIMP (ras)) |
c209c88e GB |
104 | { |
105 | ra1 = SCM_CAR (ras); | |
399aba0a MV |
106 | |
107 | if (scm_is_generalized_vector (ra1)) | |
c209c88e | 108 | { |
399aba0a MV |
109 | size_t length; |
110 | ||
111 | if (1 != ndim) | |
c209c88e | 112 | return 0; |
399aba0a MV |
113 | |
114 | length = scm_c_generalized_vector_length (ra1); | |
115 | ||
116 | switch (exact) | |
117 | { | |
118 | case 4: | |
119 | if (0 != bas0) | |
120 | exact = 3; | |
121 | case 3: | |
122 | if (1 != s0->inc) | |
123 | exact = 2; | |
124 | case 2: | |
125 | if ((0 == s0->lbnd) && (s0->ubnd == length - 1)) | |
126 | break; | |
127 | exact = 1; | |
128 | case 1: | |
129 | if (s0->lbnd < 0 || s0->ubnd >= length) | |
130 | return 0; | |
131 | } | |
132 | } | |
04b87de5 | 133 | else if (SCM_I_ARRAYP (ra1) && ndim == SCM_I_ARRAY_NDIM (ra1)) |
399aba0a | 134 | { |
04b87de5 MV |
135 | s1 = SCM_I_ARRAY_DIMS (ra1); |
136 | if (bas0 != SCM_I_ARRAY_BASE (ra1)) | |
c209c88e GB |
137 | exact = 3; |
138 | for (i = 0; i < ndim; i++) | |
139 | switch (exact) | |
140 | { | |
141 | case 4: | |
142 | case 3: | |
143 | if (s0[i].inc != s1[i].inc) | |
144 | exact = 2; | |
145 | case 2: | |
146 | if (s0[i].lbnd == s1[i].lbnd && s0[i].ubnd == s1[i].ubnd) | |
147 | break; | |
148 | exact = 1; | |
149 | default: | |
150 | if (s0[i].lbnd < s1[i].lbnd || s0[i].ubnd > s1[i].ubnd) | |
151 | return (s0[i].lbnd <= s0[i].ubnd ? 0 : 1); | |
152 | } | |
c209c88e | 153 | } |
399aba0a MV |
154 | else |
155 | return 0; | |
156 | ||
c209c88e GB |
157 | ras = SCM_CDR (ras); |
158 | } | |
399aba0a | 159 | |
0f2d19dd JB |
160 | return exact; |
161 | } | |
162 | ||
1bbd0b84 GB |
163 | /* array mapper: apply cproc to each dimension of the given arrays?. |
164 | int (*cproc) (); procedure to call on unrolled arrays? | |
5c11cc9d | 165 | cproc (dest, source list) or |
1bbd0b84 GB |
166 | cproc (dest, data, source list). |
167 | SCM data; data to give to cproc or unbound. | |
168 | SCM ra0; destination array. | |
169 | SCM lra; list of source arrays. | |
170 | const char *what; caller, for error reporting. */ | |
171 | int | |
10b9343f | 172 | scm_ramapc (void *cproc_ptr, SCM data, SCM ra0, SCM lra, const char *what) |
0f2d19dd | 173 | { |
b4b33636 | 174 | SCM z; |
0f2d19dd JB |
175 | SCM vra0, ra1, vra1; |
176 | SCM lvra, *plvra; | |
c014a02e | 177 | long *vinds; |
0f2d19dd | 178 | int k, kmax; |
10b9343f LC |
179 | int (*cproc) (); |
180 | ||
181 | cproc = cproc_ptr; | |
0f2d19dd JB |
182 | switch (scm_ra_matchp (ra0, lra)) |
183 | { | |
184 | default: | |
185 | case 0: | |
9cf5d9b7 | 186 | scm_misc_error (what, "array shape mismatch: ~S", scm_list_1 (ra0)); |
0f2d19dd JB |
187 | case 2: |
188 | case 3: | |
189 | case 4: /* Try unrolling arrays */ | |
04b87de5 | 190 | kmax = (SCM_I_ARRAYP (ra0) ? SCM_I_ARRAY_NDIM (ra0) - 1 : 0); |
0f2d19dd JB |
191 | if (kmax < 0) |
192 | goto gencase; | |
193 | vra0 = scm_array_contents (ra0, SCM_UNDEFINED); | |
ff467021 | 194 | if (SCM_IMP (vra0)) goto gencase; |
04b87de5 | 195 | if (!SCM_I_ARRAYP (vra0)) |
0f2d19dd | 196 | { |
399aba0a | 197 | size_t length = scm_c_generalized_vector_length (vra0); |
66b9d7d3 | 198 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
199 | SCM_I_ARRAY_BASE (vra1) = 0; |
200 | SCM_I_ARRAY_DIMS (vra1)->lbnd = 0; | |
201 | SCM_I_ARRAY_DIMS (vra1)->ubnd = length - 1; | |
202 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
203 | SCM_I_ARRAY_V (vra1) = vra0; | |
0f2d19dd JB |
204 | vra0 = vra1; |
205 | } | |
206 | lvra = SCM_EOL; | |
207 | plvra = &lvra; | |
208 | for (z = lra; SCM_NIMP (z); z = SCM_CDR (z)) | |
209 | { | |
210 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 211 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
212 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
213 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
214 | if (!SCM_I_ARRAYP (ra1)) | |
0f2d19dd | 215 | { |
04b87de5 MV |
216 | SCM_I_ARRAY_BASE (vra1) = 0; |
217 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
218 | SCM_I_ARRAY_V (vra1) = ra1; | |
0f2d19dd | 219 | } |
04b87de5 | 220 | else if (!SCM_I_ARRAY_CONTP (ra1)) |
0f2d19dd JB |
221 | goto gencase; |
222 | else | |
223 | { | |
04b87de5 MV |
224 | SCM_I_ARRAY_BASE (vra1) = SCM_I_ARRAY_BASE (ra1); |
225 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; | |
226 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
227 | } |
228 | *plvra = scm_cons (vra1, SCM_EOL); | |
25d8012c | 229 | plvra = SCM_CDRLOC (*plvra); |
0f2d19dd JB |
230 | } |
231 | return (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra)); | |
232 | case 1: | |
233 | gencase: /* Have to loop over all dimensions. */ | |
66b9d7d3 | 234 | vra0 = scm_i_make_array (1); |
04b87de5 | 235 | if (SCM_I_ARRAYP (ra0)) |
c209c88e | 236 | { |
04b87de5 | 237 | kmax = SCM_I_ARRAY_NDIM (ra0) - 1; |
c209c88e | 238 | if (kmax < 0) |
0f2d19dd | 239 | { |
04b87de5 MV |
240 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
241 | SCM_I_ARRAY_DIMS (vra0)->ubnd = 0; | |
242 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
0f2d19dd | 243 | } |
c209c88e GB |
244 | else |
245 | { | |
04b87de5 MV |
246 | SCM_I_ARRAY_DIMS (vra0)->lbnd = SCM_I_ARRAY_DIMS (ra0)[kmax].lbnd; |
247 | SCM_I_ARRAY_DIMS (vra0)->ubnd = SCM_I_ARRAY_DIMS (ra0)[kmax].ubnd; | |
248 | SCM_I_ARRAY_DIMS (vra0)->inc = SCM_I_ARRAY_DIMS (ra0)[kmax].inc; | |
c209c88e | 249 | } |
04b87de5 MV |
250 | SCM_I_ARRAY_BASE (vra0) = SCM_I_ARRAY_BASE (ra0); |
251 | SCM_I_ARRAY_V (vra0) = SCM_I_ARRAY_V (ra0); | |
c209c88e GB |
252 | } |
253 | else | |
254 | { | |
ee67e2fa | 255 | size_t length = scm_c_generalized_vector_length (ra0); |
c209c88e | 256 | kmax = 0; |
04b87de5 MV |
257 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
258 | SCM_I_ARRAY_DIMS (vra0)->ubnd = length - 1; | |
259 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
260 | SCM_I_ARRAY_BASE (vra0) = 0; | |
261 | SCM_I_ARRAY_V (vra0) = ra0; | |
c209c88e GB |
262 | ra0 = vra0; |
263 | } | |
264 | lvra = SCM_EOL; | |
265 | plvra = &lvra; | |
266 | for (z = lra; SCM_NIMP (z); z = SCM_CDR (z)) | |
267 | { | |
268 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 269 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
270 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
271 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
272 | if (SCM_I_ARRAYP (ra1)) | |
c209c88e GB |
273 | { |
274 | if (kmax >= 0) | |
04b87de5 MV |
275 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; |
276 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
277 | } |
278 | else | |
279 | { | |
04b87de5 MV |
280 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; |
281 | SCM_I_ARRAY_V (vra1) = ra1; | |
c209c88e GB |
282 | } |
283 | *plvra = scm_cons (vra1, SCM_EOL); | |
284 | plvra = SCM_CDRLOC (*plvra); | |
285 | } | |
b4b33636 | 286 | |
d66b74dc LC |
287 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra0), |
288 | indices_gc_hint); | |
b4b33636 | 289 | |
c209c88e | 290 | for (k = 0; k <= kmax; k++) |
04b87de5 | 291 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd; |
c209c88e GB |
292 | k = kmax; |
293 | do | |
294 | { | |
295 | if (k == kmax) | |
296 | { | |
297 | SCM y = lra; | |
04b87de5 | 298 | SCM_I_ARRAY_BASE (vra0) = cind (ra0, vinds); |
c209c88e | 299 | for (z = lvra; SCM_NIMP (z); z = SCM_CDR (z), y = SCM_CDR (y)) |
04b87de5 | 300 | SCM_I_ARRAY_BASE (SCM_CAR (z)) = cind (SCM_CAR (y), vinds); |
c209c88e GB |
301 | if (0 == (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra))) |
302 | return 0; | |
303 | k--; | |
304 | continue; | |
305 | } | |
04b87de5 | 306 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra0)[k].ubnd) |
c209c88e GB |
307 | { |
308 | vinds[k]++; | |
309 | k++; | |
310 | continue; | |
311 | } | |
04b87de5 | 312 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd - 1; |
c209c88e GB |
313 | k--; |
314 | } | |
315 | while (k >= 0); | |
b4b33636 | 316 | |
c209c88e | 317 | return 1; |
0f2d19dd JB |
318 | } |
319 | } | |
320 | ||
ab1ca179 DL |
321 | static int |
322 | rafill (SCM dst, SCM fill) | |
323 | { | |
324 | long n = (SCM_I_ARRAY_DIMS (dst)->ubnd - SCM_I_ARRAY_DIMS (dst)->lbnd + 1); | |
325 | scm_t_array_handle h; | |
326 | size_t i; | |
327 | ssize_t inc; | |
328 | scm_generalized_vector_get_handle (SCM_I_ARRAY_V (dst), &h); | |
329 | i = h.base + h.dims[0].lbnd + SCM_I_ARRAY_BASE (dst)*h.dims[0].inc; | |
330 | inc = SCM_I_ARRAY_DIMS (dst)->inc * h.dims[0].inc; | |
331 | ||
332 | for (; n-- > 0; i += inc) | |
333 | h.impl->vset (&h, i, fill); | |
334 | ||
335 | scm_array_handle_release (&h); | |
336 | return 1; | |
337 | } | |
0f2d19dd | 338 | |
3b3b36dd | 339 | SCM_DEFINE (scm_array_fill_x, "array-fill!", 2, 0, 0, |
c209c88e | 340 | (SCM ra, SCM fill), |
b7e64f8b BT |
341 | "Store @var{fill} in every element of array @var{ra}. The value\n" |
342 | "returned is unspecified.") | |
1bbd0b84 | 343 | #define FUNC_NAME s_scm_array_fill_x |
ad310508 | 344 | { |
ab1ca179 | 345 | scm_ramapc (rafill, fill, ra, SCM_EOL, FUNC_NAME); |
ad310508 MD |
346 | return SCM_UNSPECIFIED; |
347 | } | |
1bbd0b84 | 348 | #undef FUNC_NAME |
ad310508 | 349 | |
5c11cc9d GH |
350 | /* to be used as cproc in scm_ramapc to fill an array dimension with |
351 | "fill". */ | |
ab1ca179 | 352 | int |
e81d98ec | 353 | scm_array_fill_int (SCM ra, SCM fill, SCM ignore SCM_UNUSED) |
1bbd0b84 | 354 | #define FUNC_NAME s_scm_array_fill_x |
0f2d19dd | 355 | { |
c014a02e | 356 | unsigned long i; |
04b87de5 MV |
357 | unsigned long n = SCM_I_ARRAY_DIMS (ra)->ubnd - SCM_I_ARRAY_DIMS (ra)->lbnd + 1; |
358 | long inc = SCM_I_ARRAY_DIMS (ra)->inc; | |
359 | unsigned long base = SCM_I_ARRAY_BASE (ra); | |
5c11cc9d | 360 | |
04b87de5 | 361 | ra = SCM_I_ARRAY_V (ra); |
b4bdadde | 362 | |
afaf9d0b | 363 | for (i = base; n--; i += inc) |
85516012 | 364 | GVSET (ra, i, fill); |
afaf9d0b | 365 | |
0f2d19dd JB |
366 | return 1; |
367 | } | |
1bbd0b84 | 368 | #undef FUNC_NAME |
0f2d19dd | 369 | |
0f2d19dd | 370 | |
72e2b592 | 371 | static int |
1bbd0b84 | 372 | racp (SCM src, SCM dst) |
0f2d19dd | 373 | { |
04b87de5 | 374 | long n = (SCM_I_ARRAY_DIMS (src)->ubnd - SCM_I_ARRAY_DIMS (src)->lbnd + 1); |
72e2b592 DL |
375 | scm_t_array_handle h_s, h_d; |
376 | size_t i_s, i_d; | |
377 | ssize_t inc_s, inc_d; | |
378 | ||
0f2d19dd | 379 | dst = SCM_CAR (dst); |
72e2b592 DL |
380 | scm_generalized_vector_get_handle (SCM_I_ARRAY_V (src), &h_s); |
381 | scm_generalized_vector_get_handle (SCM_I_ARRAY_V (dst), &h_d); | |
382 | ||
383 | i_s = h_s.base + h_s.dims[0].lbnd + SCM_I_ARRAY_BASE (src) * h_s.dims[0].inc; | |
384 | i_d = h_d.base + h_d.dims[0].lbnd + SCM_I_ARRAY_BASE (dst) * h_d.dims[0].inc; | |
385 | inc_s = SCM_I_ARRAY_DIMS (src)->inc * h_s.dims[0].inc; | |
386 | inc_d = SCM_I_ARRAY_DIMS (dst)->inc * h_d.dims[0].inc; | |
c209c88e | 387 | |
399aba0a | 388 | for (; n-- > 0; i_s += inc_s, i_d += inc_d) |
72e2b592 DL |
389 | h_d.impl->vset (&h_d, i_d, h_s.impl->vref (&h_s, i_s)); |
390 | ||
391 | scm_array_handle_release (&h_d); | |
392 | scm_array_handle_release (&h_s); | |
393 | ||
0f2d19dd JB |
394 | return 1; |
395 | } | |
396 | ||
1bbd0b84 | 397 | SCM_REGISTER_PROC(s_array_copy_in_order_x, "array-copy-in-order!", 2, 0, 0, scm_array_copy_x); |
1cc91f1b | 398 | |
1bbd0b84 | 399 | |
3b3b36dd | 400 | SCM_DEFINE (scm_array_copy_x, "array-copy!", 2, 0, 0, |
c209c88e | 401 | (SCM src, SCM dst), |
8f85c0c6 | 402 | "@deffnx {Scheme Procedure} array-copy-in-order! src dst\n" |
b7e64f8b BT |
403 | "Copy every element from vector or array @var{src} to the\n" |
404 | "corresponding element of @var{dst}. @var{dst} must have the\n" | |
405 | "same rank as @var{src}, and be at least as large in each\n" | |
b380b885 | 406 | "dimension. The order is unspecified.") |
1bbd0b84 | 407 | #define FUNC_NAME s_scm_array_copy_x |
0f2d19dd | 408 | { |
c209c88e | 409 | scm_ramapc (racp, SCM_UNDEFINED, src, scm_cons (dst, SCM_EOL), FUNC_NAME); |
0f2d19dd JB |
410 | return SCM_UNSPECIFIED; |
411 | } | |
1bbd0b84 | 412 | #undef FUNC_NAME |
0f2d19dd JB |
413 | |
414 | /* Functions callable by ARRAY-MAP! */ | |
415 | ||
75a1b26c | 416 | #if SCM_ENABLE_DEPRECATED == 1 |
1cc91f1b | 417 | |
0f2d19dd | 418 | int |
1bbd0b84 | 419 | scm_ra_eqp (SCM ra0, SCM ras) |
0f2d19dd JB |
420 | { |
421 | SCM ra1 = SCM_CAR (ras), ra2 = SCM_CAR (SCM_CDR (ras)); | |
fab07c30 MV |
422 | scm_t_array_handle ra0_handle; |
423 | scm_t_array_dim *ra0_dims; | |
424 | size_t n; | |
425 | ssize_t inc0; | |
426 | size_t i0 = 0; | |
427 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
428 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
429 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
430 | ra1 = SCM_I_ARRAY_V (ra1); |
431 | ra2 = SCM_I_ARRAY_V (ra2); | |
fab07c30 MV |
432 | |
433 | scm_array_get_handle (ra0, &ra0_handle); | |
434 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
435 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
436 | inc0 = ra0_dims[0].inc; | |
437 | ||
399aba0a | 438 | { |
399aba0a | 439 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 440 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
85516012 | 441 | if (!scm_is_eq (GVREF (ra1, i1), GVREF (ra2, i2))) |
fab07c30 | 442 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
443 | } |
444 | ||
fab07c30 | 445 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
446 | return 1; |
447 | } | |
448 | ||
449 | /* opt 0 means <, nonzero means >= */ | |
1cc91f1b | 450 | |
0f2d19dd | 451 | static int |
34d19ef6 | 452 | ra_compare (SCM ra0, SCM ra1, SCM ra2, int opt) |
0f2d19dd | 453 | { |
fab07c30 MV |
454 | scm_t_array_handle ra0_handle; |
455 | scm_t_array_dim *ra0_dims; | |
456 | size_t n; | |
457 | ssize_t inc0; | |
458 | size_t i0 = 0; | |
459 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
460 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
461 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
462 | ra1 = SCM_I_ARRAY_V (ra1); |
463 | ra2 = SCM_I_ARRAY_V (ra2); | |
399aba0a | 464 | |
fab07c30 MV |
465 | scm_array_get_handle (ra0, &ra0_handle); |
466 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
467 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
468 | inc0 = ra0_dims[0].inc; | |
469 | ||
399aba0a | 470 | { |
399aba0a | 471 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 472 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
399aba0a | 473 | if (opt ? |
85516012 MV |
474 | scm_is_true (scm_less_p (GVREF (ra1, i1), GVREF (ra2, i2))) : |
475 | scm_is_false (scm_less_p (GVREF (ra1, i1), GVREF (ra2, i2)))) | |
fab07c30 | 476 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
477 | } |
478 | ||
fab07c30 | 479 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
480 | return 1; |
481 | } | |
482 | ||
483 | ||
1cc91f1b | 484 | |
0f2d19dd | 485 | int |
1bbd0b84 | 486 | scm_ra_lessp (SCM ra0, SCM ras) |
0f2d19dd JB |
487 | { |
488 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 0); | |
489 | } | |
490 | ||
1cc91f1b | 491 | |
0f2d19dd | 492 | int |
1bbd0b84 | 493 | scm_ra_leqp (SCM ra0, SCM ras) |
0f2d19dd JB |
494 | { |
495 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 1); | |
496 | } | |
497 | ||
1cc91f1b | 498 | |
0f2d19dd | 499 | int |
1bbd0b84 | 500 | scm_ra_grp (SCM ra0, SCM ras) |
0f2d19dd JB |
501 | { |
502 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 0); | |
503 | } | |
504 | ||
1cc91f1b | 505 | |
0f2d19dd | 506 | int |
1bbd0b84 | 507 | scm_ra_greqp (SCM ra0, SCM ras) |
0f2d19dd JB |
508 | { |
509 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 1); | |
510 | } | |
511 | ||
512 | ||
0f2d19dd | 513 | int |
1bbd0b84 | 514 | scm_ra_sum (SCM ra0, SCM ras) |
0f2d19dd | 515 | { |
04b87de5 MV |
516 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
517 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
518 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
519 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 520 | if (!scm_is_null(ras)) |
c209c88e GB |
521 | { |
522 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
523 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
524 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
525 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
526 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
527 | { | |
528 | default: | |
0f2d19dd | 529 | { |
c209c88e | 530 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 | 531 | GVSET (ra0, i0, scm_sum (GVREF(ra0, i0), GVREF(ra1, i1))); |
c209c88e GB |
532 | break; |
533 | } | |
c209c88e GB |
534 | } |
535 | } | |
0f2d19dd JB |
536 | return 1; |
537 | } | |
538 | ||
539 | ||
1cc91f1b | 540 | |
0f2d19dd | 541 | int |
1bbd0b84 | 542 | scm_ra_difference (SCM ra0, SCM ras) |
0f2d19dd | 543 | { |
04b87de5 MV |
544 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
545 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
546 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
547 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 548 | if (scm_is_null (ras)) |
c209c88e GB |
549 | { |
550 | switch (SCM_TYP7 (ra0)) | |
551 | { | |
552 | default: | |
553 | { | |
c209c88e | 554 | for (; n-- > 0; i0 += inc0) |
85516012 | 555 | GVSET (ra0, i0, scm_difference (GVREF(ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
556 | break; |
557 | } | |
c209c88e GB |
558 | } |
559 | } | |
0f2d19dd JB |
560 | else |
561 | { | |
562 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
563 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
564 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
565 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
566 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
567 | { | |
568 | default: | |
569 | { | |
0f2d19dd | 570 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 MV |
571 | GVSET (ra0, i0, scm_difference (GVREF (ra0, i0), |
572 | GVREF (ra1, i1))); | |
0f2d19dd JB |
573 | break; |
574 | } | |
0f2d19dd JB |
575 | } |
576 | } | |
577 | return 1; | |
578 | } | |
579 | ||
580 | ||
1cc91f1b | 581 | |
0f2d19dd | 582 | int |
1bbd0b84 | 583 | scm_ra_product (SCM ra0, SCM ras) |
0f2d19dd | 584 | { |
04b87de5 MV |
585 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
586 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
587 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
588 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 589 | if (!scm_is_null (ras)) |
c209c88e GB |
590 | { |
591 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
592 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
593 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
594 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
595 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
596 | { | |
597 | default: | |
0f2d19dd | 598 | { |
c209c88e | 599 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 MV |
600 | GVSET (ra0, i0, scm_product (GVREF (ra0, i0), |
601 | GVREF (ra1, i1))); | |
c209c88e | 602 | } |
c209c88e GB |
603 | } |
604 | } | |
0f2d19dd JB |
605 | return 1; |
606 | } | |
607 | ||
1cc91f1b | 608 | |
0f2d19dd | 609 | int |
1bbd0b84 | 610 | scm_ra_divide (SCM ra0, SCM ras) |
0f2d19dd | 611 | { |
04b87de5 MV |
612 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
613 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
614 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
615 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 616 | if (scm_is_null (ras)) |
c209c88e GB |
617 | { |
618 | switch (SCM_TYP7 (ra0)) | |
619 | { | |
620 | default: | |
621 | { | |
c209c88e | 622 | for (; n-- > 0; i0 += inc0) |
85516012 | 623 | GVSET (ra0, i0, scm_divide (GVREF (ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
624 | break; |
625 | } | |
c209c88e GB |
626 | } |
627 | } | |
0f2d19dd JB |
628 | else |
629 | { | |
630 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
631 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
632 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
633 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
634 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
635 | { | |
636 | default: | |
637 | { | |
0f2d19dd | 638 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
afaf9d0b | 639 | { |
85516012 MV |
640 | SCM res = scm_divide (GVREF (ra0, i0), |
641 | GVREF (ra1, i1)); | |
642 | GVSET (ra0, i0, res); | |
afaf9d0b | 643 | } |
0f2d19dd JB |
644 | break; |
645 | } | |
0f2d19dd JB |
646 | } |
647 | } | |
648 | return 1; | |
649 | } | |
650 | ||
1cc91f1b | 651 | |
0f2d19dd | 652 | int |
1bbd0b84 | 653 | scm_array_identity (SCM dst, SCM src) |
0f2d19dd JB |
654 | { |
655 | return racp (SCM_CAR (src), scm_cons (dst, SCM_EOL)); | |
656 | } | |
657 | ||
75a1b26c | 658 | #endif /* SCM_ENABLE_DEPRECATED */ |
0f2d19dd | 659 | |
75a1b26c | 660 | static int |
34d19ef6 | 661 | ramap (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 662 | { |
9a68d7b3 | 663 | ssize_t i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
51a1763f | 664 | size_t n = SCM_I_ARRAY_DIMS (ra0)->ubnd - i + 1; |
9a68d7b3 | 665 | |
51a1763f DL |
666 | scm_t_array_handle h0; |
667 | size_t i0, i0end; | |
668 | ssize_t inc0; | |
669 | scm_generalized_vector_get_handle (SCM_I_ARRAY_V (ra0), &h0); | |
670 | i0 = h0.base + h0.dims[0].lbnd + SCM_I_ARRAY_BASE (ra0)*h0.dims[0].inc; | |
671 | inc0 = SCM_I_ARRAY_DIMS (ra0)->inc * h0.dims[0].inc; | |
672 | i0end = i0 + n*inc0; | |
d2e53ed6 | 673 | if (scm_is_null (ras)) |
9a68d7b3 | 674 | for (; i0 < i0end; i0 += inc0) |
51a1763f | 675 | h0.impl->vset (&h0, i0, scm_call_0 (proc)); |
0f2d19dd JB |
676 | else |
677 | { | |
678 | SCM ra1 = SCM_CAR (ras); | |
51a1763f DL |
679 | scm_t_array_handle h1; |
680 | size_t i1; | |
681 | ssize_t inc1; | |
682 | scm_generalized_vector_get_handle (SCM_I_ARRAY_V (ra1), &h1); | |
683 | i1 = h1.base + h1.dims[0].lbnd + SCM_I_ARRAY_BASE (ra1)*h1.dims[0].inc; | |
684 | inc1 = SCM_I_ARRAY_DIMS (ra1)->inc * h1.dims[0].inc; | |
9a68d7b3 | 685 | ras = SCM_CDR (ras); |
51a1763f | 686 | if (scm_is_null (ras)) |
9a68d7b3 | 687 | for (; i0 < i0end; i0 += inc0, i1 += inc1) |
51a1763f | 688 | h0.impl->vset (&h0, i0, scm_call_1 (proc, h1.impl->vref (&h1, i1))); |
9a68d7b3 DL |
689 | else |
690 | { | |
691 | ras = scm_vector (ras); | |
692 | for (; i0 < i0end; i0 += inc0, i1 += inc1, ++i) | |
693 | { | |
694 | SCM args = SCM_EOL; | |
695 | unsigned long k; | |
696 | for (k = scm_c_vector_length (ras); k--;) | |
697 | args = scm_cons (GVREF (scm_c_vector_ref (ras, k), i), args); | |
51a1763f | 698 | h0.impl->vset (&h0, i0, scm_apply_1 (proc, h1.impl->vref (&h1, i1), args)); |
9a68d7b3 DL |
699 | } |
700 | } | |
51a1763f | 701 | scm_array_handle_release (&h1); |
0f2d19dd | 702 | } |
51a1763f | 703 | scm_array_handle_release (&h0); |
0f2d19dd JB |
704 | return 1; |
705 | } | |
706 | ||
1cc91f1b | 707 | |
1bbd0b84 | 708 | SCM_REGISTER_PROC(s_array_map_in_order_x, "array-map-in-order!", 2, 0, 1, scm_array_map_x); |
1cc91f1b | 709 | |
718866aa | 710 | SCM_SYMBOL (sym_b, "b"); |
1bbd0b84 | 711 | |
3b3b36dd | 712 | SCM_DEFINE (scm_array_map_x, "array-map!", 2, 0, 1, |
c209c88e | 713 | (SCM ra0, SCM proc, SCM lra), |
8f85c0c6 | 714 | "@deffnx {Scheme Procedure} array-map-in-order! ra0 proc . lra\n" |
b7e64f8b BT |
715 | "@var{array1}, @dots{} must have the same number of dimensions\n" |
716 | "as @var{ra0} and have a range for each index which includes the\n" | |
717 | "range for the corresponding index in @var{ra0}. @var{proc} is\n" | |
718 | "applied to each tuple of elements of @var{array1}, @dots{} and\n" | |
719 | "the result is stored as the corresponding element in @var{ra0}.\n" | |
720 | "The value returned is unspecified. The order of application is\n" | |
721 | "unspecified.") | |
1bbd0b84 | 722 | #define FUNC_NAME s_scm_array_map_x |
0f2d19dd | 723 | { |
34d19ef6 | 724 | SCM_VALIDATE_PROC (2, proc); |
af45e3b0 | 725 | SCM_VALIDATE_REST_ARGUMENT (lra); |
f530e94f | 726 | |
31d845b4 AW |
727 | scm_ramapc (ramap, proc, ra0, lra, FUNC_NAME); |
728 | return SCM_UNSPECIFIED; | |
0f2d19dd | 729 | } |
1bbd0b84 | 730 | #undef FUNC_NAME |
0f2d19dd | 731 | |
1cc91f1b | 732 | |
0f2d19dd | 733 | static int |
34d19ef6 | 734 | rafe (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 735 | { |
c3e3ef6e DL |
736 | ssize_t i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
737 | size_t n = SCM_I_ARRAY_DIMS (ra0)->ubnd - i + 1; | |
738 | ||
739 | scm_t_array_handle h0; | |
740 | size_t i0, i0end; | |
741 | ssize_t inc0; | |
742 | scm_generalized_vector_get_handle (SCM_I_ARRAY_V (ra0), &h0); | |
743 | i0 = h0.base + h0.dims[0].lbnd + SCM_I_ARRAY_BASE (ra0)*h0.dims[0].inc; | |
744 | inc0 = SCM_I_ARRAY_DIMS (ra0)->inc * h0.dims[0].inc; | |
745 | i0end = i0 + n*inc0; | |
d2e53ed6 | 746 | if (scm_is_null (ras)) |
c3e3ef6e DL |
747 | for (; i0 < i0end; i0 += inc0) |
748 | scm_call_1 (proc, h0.impl->vref (&h0, i0)); | |
0f2d19dd JB |
749 | else |
750 | { | |
c3e3ef6e DL |
751 | ras = scm_vector (ras); |
752 | for (; i0 < i0end; i0 += inc0, ++i) | |
753 | { | |
754 | SCM args = SCM_EOL; | |
755 | unsigned long k; | |
756 | for (k = scm_c_vector_length (ras); k--;) | |
757 | args = scm_cons (GVREF (scm_c_vector_ref (ras, k), i), args); | |
758 | scm_apply_1 (proc, h0.impl->vref (&h0, i0), args); | |
759 | } | |
0f2d19dd | 760 | } |
c3e3ef6e | 761 | scm_array_handle_release (&h0); |
0f2d19dd JB |
762 | return 1; |
763 | } | |
764 | ||
3b3b36dd | 765 | SCM_DEFINE (scm_array_for_each, "array-for-each", 2, 0, 1, |
c209c88e | 766 | (SCM proc, SCM ra0, SCM lra), |
b7e64f8b | 767 | "Apply @var{proc} to each tuple of elements of @var{ra0} @dots{}\n" |
b380b885 | 768 | "in row-major order. The value returned is unspecified.") |
1bbd0b84 | 769 | #define FUNC_NAME s_scm_array_for_each |
0f2d19dd | 770 | { |
34d19ef6 | 771 | SCM_VALIDATE_PROC (1, proc); |
af45e3b0 | 772 | SCM_VALIDATE_REST_ARGUMENT (lra); |
c209c88e | 773 | scm_ramapc (rafe, proc, ra0, lra, FUNC_NAME); |
0f2d19dd JB |
774 | return SCM_UNSPECIFIED; |
775 | } | |
1bbd0b84 | 776 | #undef FUNC_NAME |
0f2d19dd | 777 | |
3b3b36dd | 778 | SCM_DEFINE (scm_array_index_map_x, "array-index-map!", 2, 0, 0, |
c209c88e | 779 | (SCM ra, SCM proc), |
b7e64f8b | 780 | "Apply @var{proc} to the indices of each element of @var{ra} in\n" |
b380b885 MD |
781 | "turn, storing the result in the corresponding element. The value\n" |
782 | "returned and the order of application are unspecified.\n\n" | |
783 | "One can implement @var{array-indexes} as\n" | |
1e6808ea | 784 | "@lisp\n" |
b380b885 MD |
785 | "(define (array-indexes array)\n" |
786 | " (let ((ra (apply make-array #f (array-shape array))))\n" | |
787 | " (array-index-map! ra (lambda x x))\n" | |
788 | " ra))\n" | |
1e6808ea | 789 | "@end lisp\n" |
b380b885 | 790 | "Another example:\n" |
1e6808ea | 791 | "@lisp\n" |
b380b885 MD |
792 | "(define (apl:index-generator n)\n" |
793 | " (let ((v (make-uniform-vector n 1)))\n" | |
794 | " (array-index-map! v (lambda (i) i))\n" | |
795 | " v))\n" | |
1e6808ea | 796 | "@end lisp") |
1bbd0b84 | 797 | #define FUNC_NAME s_scm_array_index_map_x |
0f2d19dd | 798 | { |
c014a02e | 799 | unsigned long i; |
34d19ef6 | 800 | SCM_VALIDATE_PROC (2, proc); |
399aba0a | 801 | |
5ead53fc | 802 | if (SCM_I_ARRAYP (ra)) |
399aba0a MV |
803 | { |
804 | SCM args = SCM_EOL; | |
04b87de5 | 805 | int j, k, kmax = SCM_I_ARRAY_NDIM (ra) - 1; |
b4b33636 MV |
806 | long *vinds; |
807 | ||
399aba0a MV |
808 | if (kmax < 0) |
809 | return scm_array_set_x (ra, scm_call_0 (proc), SCM_EOL); | |
b4b33636 | 810 | |
d66b74dc LC |
811 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra), |
812 | indices_gc_hint); | |
b4b33636 | 813 | |
399aba0a | 814 | for (k = 0; k <= kmax; k++) |
04b87de5 | 815 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; |
399aba0a MV |
816 | k = kmax; |
817 | do | |
818 | { | |
819 | if (k == kmax) | |
820 | { | |
04b87de5 | 821 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; |
b4b33636 | 822 | i = cind (ra, vinds); |
04b87de5 | 823 | for (; vinds[k] <= SCM_I_ARRAY_DIMS (ra)[k].ubnd; vinds[k]++) |
399aba0a MV |
824 | { |
825 | for (j = kmax + 1, args = SCM_EOL; j--;) | |
826 | args = scm_cons (scm_from_long (vinds[j]), args); | |
04b87de5 MV |
827 | GVSET (SCM_I_ARRAY_V (ra), i, scm_apply_0 (proc, args)); |
828 | i += SCM_I_ARRAY_DIMS (ra)[k].inc; | |
399aba0a MV |
829 | } |
830 | k--; | |
831 | continue; | |
832 | } | |
04b87de5 | 833 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra)[k].ubnd) |
399aba0a MV |
834 | { |
835 | vinds[k]++; | |
836 | k++; | |
837 | continue; | |
838 | } | |
04b87de5 | 839 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd - 1; |
399aba0a MV |
840 | k--; |
841 | } | |
842 | while (k >= 0); | |
b4b33636 | 843 | |
399aba0a | 844 | return SCM_UNSPECIFIED; |
e42c09cc | 845 | } |
5ead53fc MV |
846 | else if (scm_is_generalized_vector (ra)) |
847 | { | |
848 | size_t length = scm_c_generalized_vector_length (ra); | |
849 | for (i = 0; i < length; i++) | |
850 | GVSET (ra, i, scm_call_1 (proc, scm_from_ulong (i))); | |
851 | return SCM_UNSPECIFIED; | |
852 | } | |
853 | else | |
399aba0a | 854 | scm_wrong_type_arg_msg (NULL, 0, ra, "array"); |
0f2d19dd | 855 | } |
1bbd0b84 | 856 | #undef FUNC_NAME |
0f2d19dd | 857 | |
1cc91f1b | 858 | |
0f2d19dd | 859 | static int |
a587d6a9 AW |
860 | array_compare (scm_t_array_handle *hx, scm_t_array_handle *hy, |
861 | size_t dim, unsigned long posx, unsigned long posy) | |
0f2d19dd | 862 | { |
a587d6a9 AW |
863 | if (dim == scm_array_handle_rank (hx)) |
864 | return scm_is_true (scm_equal_p (scm_array_handle_ref (hx, posx), | |
865 | scm_array_handle_ref (hy, posy))); | |
e466c6a2 | 866 | else |
c209c88e | 867 | { |
a587d6a9 AW |
868 | long incx, incy; |
869 | size_t i; | |
399aba0a | 870 | |
a587d6a9 AW |
871 | if (hx->dims[dim].lbnd != hy->dims[dim].lbnd |
872 | || hx->dims[dim].ubnd != hy->dims[dim].ubnd) | |
873 | return 0; | |
874 | ||
875 | i = hx->dims[dim].ubnd - hx->dims[dim].lbnd + 1; | |
876 | ||
877 | incx = hx->dims[dim].inc; | |
878 | incy = hy->dims[dim].inc; | |
879 | posx += (i - 1) * incx; | |
880 | posy += (i - 1) * incy; | |
881 | ||
882 | for (; i > 0; i--, posx -= incx, posy -= incy) | |
883 | if (!array_compare (hx, hy, dim + 1, posx, posy)) | |
884 | return 0; | |
c209c88e | 885 | return 1; |
c209c88e | 886 | } |
0f2d19dd JB |
887 | } |
888 | ||
a587d6a9 AW |
889 | SCM |
890 | scm_array_equal_p (SCM x, SCM y) | |
0f2d19dd | 891 | { |
a587d6a9 AW |
892 | scm_t_array_handle hx, hy; |
893 | SCM res; | |
894 | ||
895 | scm_array_get_handle (x, &hx); | |
896 | scm_array_get_handle (y, &hy); | |
897 | ||
898 | res = scm_from_bool (hx.ndims == hy.ndims | |
899 | && hx.element_type == hy.element_type); | |
3ffd1ba9 | 900 | |
a587d6a9 AW |
901 | if (scm_is_true (res)) |
902 | res = scm_from_bool (array_compare (&hx, &hy, 0, 0, 0)); | |
0f2d19dd | 903 | |
a587d6a9 AW |
904 | scm_array_handle_release (&hy); |
905 | scm_array_handle_release (&hx); | |
1cc91f1b | 906 | |
a587d6a9 | 907 | return res; |
0f2d19dd JB |
908 | } |
909 | ||
f1d19308 | 910 | static SCM scm_i_array_equal_p (SCM, SCM, SCM); |
31d845b4 AW |
911 | SCM_DEFINE (scm_i_array_equal_p, "array-equal?", 0, 2, 1, |
912 | (SCM ra0, SCM ra1, SCM rest), | |
1e6808ea MG |
913 | "Return @code{#t} iff all arguments are arrays with the same\n" |
914 | "shape, the same type, and have corresponding elements which are\n" | |
915 | "either @code{equal?} or @code{array-equal?}. This function\n" | |
a587d6a9 | 916 | "differs from @code{equal?} in that all arguments must be arrays.") |
31d845b4 AW |
917 | #define FUNC_NAME s_scm_i_array_equal_p |
918 | { | |
919 | if (SCM_UNBNDP (ra0) || SCM_UNBNDP (ra1)) | |
920 | return SCM_BOOL_T; | |
921 | ||
922 | while (!scm_is_null (rest)) | |
8a1f4f98 | 923 | { if (scm_is_false (scm_array_equal_p (ra0, ra1))) |
31d845b4 | 924 | return SCM_BOOL_F; |
8a1f4f98 AW |
925 | ra0 = ra1; |
926 | ra1 = scm_car (rest); | |
31d845b4 AW |
927 | rest = scm_cdr (rest); |
928 | } | |
929 | return scm_array_equal_p (ra0, ra1); | |
0f981281 | 930 | } |
4079f87e | 931 | #undef FUNC_NAME |
0f2d19dd | 932 | |
1cc91f1b | 933 | |
0f2d19dd | 934 | void |
5d1b3b2d | 935 | scm_init_array_map (void) |
0f2d19dd | 936 | { |
5d1b3b2d | 937 | #include "libguile/array-map.x" |
1bbd0b84 | 938 | scm_add_feature (s_scm_array_for_each); |
0f2d19dd | 939 | } |
89e00824 ML |
940 | |
941 | /* | |
942 | Local Variables: | |
943 | c-file-style: "gnu" | |
944 | End: | |
945 | */ |