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; | |
48ffc52c | 328 | scm_array_get_handle (SCM_I_ARRAY_V (dst), &h); |
ab1ca179 DL |
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 | |
0f2d19dd | 350 | |
72e2b592 | 351 | static int |
1bbd0b84 | 352 | racp (SCM src, SCM dst) |
0f2d19dd | 353 | { |
04b87de5 | 354 | long n = (SCM_I_ARRAY_DIMS (src)->ubnd - SCM_I_ARRAY_DIMS (src)->lbnd + 1); |
72e2b592 DL |
355 | scm_t_array_handle h_s, h_d; |
356 | size_t i_s, i_d; | |
357 | ssize_t inc_s, inc_d; | |
358 | ||
0f2d19dd | 359 | dst = SCM_CAR (dst); |
48ffc52c DL |
360 | scm_array_get_handle (SCM_I_ARRAY_V (src), &h_s); |
361 | scm_array_get_handle (SCM_I_ARRAY_V (dst), &h_d); | |
72e2b592 DL |
362 | |
363 | i_s = h_s.base + h_s.dims[0].lbnd + SCM_I_ARRAY_BASE (src) * h_s.dims[0].inc; | |
364 | i_d = h_d.base + h_d.dims[0].lbnd + SCM_I_ARRAY_BASE (dst) * h_d.dims[0].inc; | |
365 | inc_s = SCM_I_ARRAY_DIMS (src)->inc * h_s.dims[0].inc; | |
366 | inc_d = SCM_I_ARRAY_DIMS (dst)->inc * h_d.dims[0].inc; | |
c209c88e | 367 | |
399aba0a | 368 | for (; n-- > 0; i_s += inc_s, i_d += inc_d) |
72e2b592 DL |
369 | h_d.impl->vset (&h_d, i_d, h_s.impl->vref (&h_s, i_s)); |
370 | ||
371 | scm_array_handle_release (&h_d); | |
372 | scm_array_handle_release (&h_s); | |
373 | ||
0f2d19dd JB |
374 | return 1; |
375 | } | |
376 | ||
1bbd0b84 | 377 | SCM_REGISTER_PROC(s_array_copy_in_order_x, "array-copy-in-order!", 2, 0, 0, scm_array_copy_x); |
1cc91f1b | 378 | |
1bbd0b84 | 379 | |
3b3b36dd | 380 | SCM_DEFINE (scm_array_copy_x, "array-copy!", 2, 0, 0, |
c209c88e | 381 | (SCM src, SCM dst), |
8f85c0c6 | 382 | "@deffnx {Scheme Procedure} array-copy-in-order! src dst\n" |
b7e64f8b BT |
383 | "Copy every element from vector or array @var{src} to the\n" |
384 | "corresponding element of @var{dst}. @var{dst} must have the\n" | |
385 | "same rank as @var{src}, and be at least as large in each\n" | |
b380b885 | 386 | "dimension. The order is unspecified.") |
1bbd0b84 | 387 | #define FUNC_NAME s_scm_array_copy_x |
0f2d19dd | 388 | { |
c209c88e | 389 | scm_ramapc (racp, SCM_UNDEFINED, src, scm_cons (dst, SCM_EOL), FUNC_NAME); |
0f2d19dd JB |
390 | return SCM_UNSPECIFIED; |
391 | } | |
1bbd0b84 | 392 | #undef FUNC_NAME |
0f2d19dd | 393 | |
0f2d19dd | 394 | |
75a1b26c | 395 | #if SCM_ENABLE_DEPRECATED == 1 |
1cc91f1b | 396 | |
d09b201d DL |
397 | /* to be used as cproc in scm_ramapc to fill an array dimension with |
398 | "fill". */ | |
399 | int | |
400 | scm_array_fill_int (SCM ra, SCM fill, SCM ignore SCM_UNUSED) | |
401 | { | |
402 | unsigned long i; | |
403 | unsigned long n = SCM_I_ARRAY_DIMS (ra)->ubnd - SCM_I_ARRAY_DIMS (ra)->lbnd + 1; | |
404 | long inc = SCM_I_ARRAY_DIMS (ra)->inc; | |
405 | unsigned long base = SCM_I_ARRAY_BASE (ra); | |
406 | ||
407 | ra = SCM_I_ARRAY_V (ra); | |
408 | ||
409 | for (i = base; n--; i += inc) | |
410 | GVSET (ra, i, fill); | |
411 | ||
412 | return 1; | |
413 | } | |
414 | ||
415 | /* Functions callable by ARRAY-MAP! */ | |
416 | ||
0f2d19dd | 417 | int |
1bbd0b84 | 418 | scm_ra_eqp (SCM ra0, SCM ras) |
0f2d19dd JB |
419 | { |
420 | SCM ra1 = SCM_CAR (ras), ra2 = SCM_CAR (SCM_CDR (ras)); | |
fab07c30 MV |
421 | scm_t_array_handle ra0_handle; |
422 | scm_t_array_dim *ra0_dims; | |
423 | size_t n; | |
424 | ssize_t inc0; | |
425 | size_t i0 = 0; | |
426 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
427 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
428 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
429 | ra1 = SCM_I_ARRAY_V (ra1); |
430 | ra2 = SCM_I_ARRAY_V (ra2); | |
fab07c30 MV |
431 | |
432 | scm_array_get_handle (ra0, &ra0_handle); | |
433 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
434 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
435 | inc0 = ra0_dims[0].inc; | |
436 | ||
399aba0a | 437 | { |
399aba0a | 438 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 439 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
85516012 | 440 | if (!scm_is_eq (GVREF (ra1, i1), GVREF (ra2, i2))) |
fab07c30 | 441 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
442 | } |
443 | ||
fab07c30 | 444 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
445 | return 1; |
446 | } | |
447 | ||
448 | /* opt 0 means <, nonzero means >= */ | |
1cc91f1b | 449 | |
0f2d19dd | 450 | static int |
34d19ef6 | 451 | ra_compare (SCM ra0, SCM ra1, SCM ra2, int opt) |
0f2d19dd | 452 | { |
fab07c30 MV |
453 | scm_t_array_handle ra0_handle; |
454 | scm_t_array_dim *ra0_dims; | |
455 | size_t n; | |
456 | ssize_t inc0; | |
457 | size_t i0 = 0; | |
458 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
459 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
460 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
461 | ra1 = SCM_I_ARRAY_V (ra1); |
462 | ra2 = SCM_I_ARRAY_V (ra2); | |
399aba0a | 463 | |
fab07c30 MV |
464 | scm_array_get_handle (ra0, &ra0_handle); |
465 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
466 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
467 | inc0 = ra0_dims[0].inc; | |
468 | ||
399aba0a | 469 | { |
399aba0a | 470 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 471 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
399aba0a | 472 | if (opt ? |
85516012 MV |
473 | scm_is_true (scm_less_p (GVREF (ra1, i1), GVREF (ra2, i2))) : |
474 | scm_is_false (scm_less_p (GVREF (ra1, i1), GVREF (ra2, i2)))) | |
fab07c30 | 475 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
476 | } |
477 | ||
fab07c30 | 478 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
479 | return 1; |
480 | } | |
481 | ||
482 | ||
1cc91f1b | 483 | |
0f2d19dd | 484 | int |
1bbd0b84 | 485 | scm_ra_lessp (SCM ra0, SCM ras) |
0f2d19dd JB |
486 | { |
487 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 0); | |
488 | } | |
489 | ||
1cc91f1b | 490 | |
0f2d19dd | 491 | int |
1bbd0b84 | 492 | scm_ra_leqp (SCM ra0, SCM ras) |
0f2d19dd JB |
493 | { |
494 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 1); | |
495 | } | |
496 | ||
1cc91f1b | 497 | |
0f2d19dd | 498 | int |
1bbd0b84 | 499 | scm_ra_grp (SCM ra0, SCM ras) |
0f2d19dd JB |
500 | { |
501 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 0); | |
502 | } | |
503 | ||
1cc91f1b | 504 | |
0f2d19dd | 505 | int |
1bbd0b84 | 506 | scm_ra_greqp (SCM ra0, SCM ras) |
0f2d19dd JB |
507 | { |
508 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 1); | |
509 | } | |
510 | ||
511 | ||
0f2d19dd | 512 | int |
1bbd0b84 | 513 | scm_ra_sum (SCM ra0, SCM ras) |
0f2d19dd | 514 | { |
04b87de5 MV |
515 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
516 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
517 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
518 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 519 | if (!scm_is_null(ras)) |
c209c88e GB |
520 | { |
521 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
522 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
523 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
524 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
525 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
526 | { | |
527 | default: | |
0f2d19dd | 528 | { |
c209c88e | 529 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 | 530 | GVSET (ra0, i0, scm_sum (GVREF(ra0, i0), GVREF(ra1, i1))); |
c209c88e GB |
531 | break; |
532 | } | |
c209c88e GB |
533 | } |
534 | } | |
0f2d19dd JB |
535 | return 1; |
536 | } | |
537 | ||
538 | ||
1cc91f1b | 539 | |
0f2d19dd | 540 | int |
1bbd0b84 | 541 | scm_ra_difference (SCM ra0, SCM ras) |
0f2d19dd | 542 | { |
04b87de5 MV |
543 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
544 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
545 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
546 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 547 | if (scm_is_null (ras)) |
c209c88e GB |
548 | { |
549 | switch (SCM_TYP7 (ra0)) | |
550 | { | |
551 | default: | |
552 | { | |
c209c88e | 553 | for (; n-- > 0; i0 += inc0) |
85516012 | 554 | GVSET (ra0, i0, scm_difference (GVREF(ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
555 | break; |
556 | } | |
c209c88e GB |
557 | } |
558 | } | |
0f2d19dd JB |
559 | else |
560 | { | |
561 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
562 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
563 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
564 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
565 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
566 | { | |
567 | default: | |
568 | { | |
0f2d19dd | 569 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 MV |
570 | GVSET (ra0, i0, scm_difference (GVREF (ra0, i0), |
571 | GVREF (ra1, i1))); | |
0f2d19dd JB |
572 | break; |
573 | } | |
0f2d19dd JB |
574 | } |
575 | } | |
576 | return 1; | |
577 | } | |
578 | ||
579 | ||
1cc91f1b | 580 | |
0f2d19dd | 581 | int |
1bbd0b84 | 582 | scm_ra_product (SCM ra0, SCM ras) |
0f2d19dd | 583 | { |
04b87de5 MV |
584 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
585 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
586 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
587 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 588 | if (!scm_is_null (ras)) |
c209c88e GB |
589 | { |
590 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
591 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
592 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
593 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
594 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
595 | { | |
596 | default: | |
0f2d19dd | 597 | { |
c209c88e | 598 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 MV |
599 | GVSET (ra0, i0, scm_product (GVREF (ra0, i0), |
600 | GVREF (ra1, i1))); | |
c209c88e | 601 | } |
c209c88e GB |
602 | } |
603 | } | |
0f2d19dd JB |
604 | return 1; |
605 | } | |
606 | ||
1cc91f1b | 607 | |
0f2d19dd | 608 | int |
1bbd0b84 | 609 | scm_ra_divide (SCM ra0, SCM ras) |
0f2d19dd | 610 | { |
04b87de5 MV |
611 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
612 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
613 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
614 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 615 | if (scm_is_null (ras)) |
c209c88e GB |
616 | { |
617 | switch (SCM_TYP7 (ra0)) | |
618 | { | |
619 | default: | |
620 | { | |
c209c88e | 621 | for (; n-- > 0; i0 += inc0) |
85516012 | 622 | GVSET (ra0, i0, scm_divide (GVREF (ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
623 | break; |
624 | } | |
c209c88e GB |
625 | } |
626 | } | |
0f2d19dd JB |
627 | else |
628 | { | |
629 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
630 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
631 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
632 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
633 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
634 | { | |
635 | default: | |
636 | { | |
0f2d19dd | 637 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
afaf9d0b | 638 | { |
85516012 MV |
639 | SCM res = scm_divide (GVREF (ra0, i0), |
640 | GVREF (ra1, i1)); | |
641 | GVSET (ra0, i0, res); | |
afaf9d0b | 642 | } |
0f2d19dd JB |
643 | break; |
644 | } | |
0f2d19dd JB |
645 | } |
646 | } | |
647 | return 1; | |
648 | } | |
649 | ||
1cc91f1b | 650 | |
0f2d19dd | 651 | int |
1bbd0b84 | 652 | scm_array_identity (SCM dst, SCM src) |
0f2d19dd JB |
653 | { |
654 | return racp (SCM_CAR (src), scm_cons (dst, SCM_EOL)); | |
655 | } | |
656 | ||
75a1b26c | 657 | #endif /* SCM_ENABLE_DEPRECATED */ |
0f2d19dd | 658 | |
75a1b26c | 659 | static int |
34d19ef6 | 660 | ramap (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 661 | { |
9a68d7b3 | 662 | ssize_t i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
51a1763f | 663 | size_t n = SCM_I_ARRAY_DIMS (ra0)->ubnd - i + 1; |
9a68d7b3 | 664 | |
51a1763f DL |
665 | scm_t_array_handle h0; |
666 | size_t i0, i0end; | |
667 | ssize_t inc0; | |
48ffc52c | 668 | scm_array_get_handle (SCM_I_ARRAY_V (ra0), &h0); |
51a1763f DL |
669 | i0 = h0.base + h0.dims[0].lbnd + SCM_I_ARRAY_BASE (ra0)*h0.dims[0].inc; |
670 | inc0 = SCM_I_ARRAY_DIMS (ra0)->inc * h0.dims[0].inc; | |
671 | i0end = i0 + n*inc0; | |
d2e53ed6 | 672 | if (scm_is_null (ras)) |
9a68d7b3 | 673 | for (; i0 < i0end; i0 += inc0) |
51a1763f | 674 | h0.impl->vset (&h0, i0, scm_call_0 (proc)); |
0f2d19dd JB |
675 | else |
676 | { | |
677 | SCM ra1 = SCM_CAR (ras); | |
51a1763f DL |
678 | scm_t_array_handle h1; |
679 | size_t i1; | |
680 | ssize_t inc1; | |
48ffc52c | 681 | scm_array_get_handle (SCM_I_ARRAY_V (ra1), &h1); |
51a1763f DL |
682 | i1 = h1.base + h1.dims[0].lbnd + SCM_I_ARRAY_BASE (ra1)*h1.dims[0].inc; |
683 | inc1 = SCM_I_ARRAY_DIMS (ra1)->inc * h1.dims[0].inc; | |
9a68d7b3 | 684 | ras = SCM_CDR (ras); |
51a1763f | 685 | if (scm_is_null (ras)) |
9a68d7b3 | 686 | for (; i0 < i0end; i0 += inc0, i1 += inc1) |
51a1763f | 687 | h0.impl->vset (&h0, i0, scm_call_1 (proc, h1.impl->vref (&h1, i1))); |
9a68d7b3 DL |
688 | else |
689 | { | |
690 | ras = scm_vector (ras); | |
691 | for (; i0 < i0end; i0 += inc0, i1 += inc1, ++i) | |
692 | { | |
693 | SCM args = SCM_EOL; | |
694 | unsigned long k; | |
695 | for (k = scm_c_vector_length (ras); k--;) | |
696 | args = scm_cons (GVREF (scm_c_vector_ref (ras, k), i), args); | |
51a1763f | 697 | h0.impl->vset (&h0, i0, scm_apply_1 (proc, h1.impl->vref (&h1, i1), args)); |
9a68d7b3 DL |
698 | } |
699 | } | |
51a1763f | 700 | scm_array_handle_release (&h1); |
0f2d19dd | 701 | } |
51a1763f | 702 | scm_array_handle_release (&h0); |
0f2d19dd JB |
703 | return 1; |
704 | } | |
705 | ||
1cc91f1b | 706 | |
1bbd0b84 | 707 | SCM_REGISTER_PROC(s_array_map_in_order_x, "array-map-in-order!", 2, 0, 1, scm_array_map_x); |
1cc91f1b | 708 | |
718866aa | 709 | SCM_SYMBOL (sym_b, "b"); |
1bbd0b84 | 710 | |
3b3b36dd | 711 | SCM_DEFINE (scm_array_map_x, "array-map!", 2, 0, 1, |
c209c88e | 712 | (SCM ra0, SCM proc, SCM lra), |
8f85c0c6 | 713 | "@deffnx {Scheme Procedure} array-map-in-order! ra0 proc . lra\n" |
b7e64f8b BT |
714 | "@var{array1}, @dots{} must have the same number of dimensions\n" |
715 | "as @var{ra0} and have a range for each index which includes the\n" | |
716 | "range for the corresponding index in @var{ra0}. @var{proc} is\n" | |
717 | "applied to each tuple of elements of @var{array1}, @dots{} and\n" | |
718 | "the result is stored as the corresponding element in @var{ra0}.\n" | |
719 | "The value returned is unspecified. The order of application is\n" | |
720 | "unspecified.") | |
1bbd0b84 | 721 | #define FUNC_NAME s_scm_array_map_x |
0f2d19dd | 722 | { |
34d19ef6 | 723 | SCM_VALIDATE_PROC (2, proc); |
af45e3b0 | 724 | SCM_VALIDATE_REST_ARGUMENT (lra); |
f530e94f | 725 | |
31d845b4 AW |
726 | scm_ramapc (ramap, proc, ra0, lra, FUNC_NAME); |
727 | return SCM_UNSPECIFIED; | |
0f2d19dd | 728 | } |
1bbd0b84 | 729 | #undef FUNC_NAME |
0f2d19dd | 730 | |
1cc91f1b | 731 | |
0f2d19dd | 732 | static int |
34d19ef6 | 733 | rafe (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 734 | { |
c3e3ef6e DL |
735 | ssize_t i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
736 | size_t n = SCM_I_ARRAY_DIMS (ra0)->ubnd - i + 1; | |
737 | ||
738 | scm_t_array_handle h0; | |
739 | size_t i0, i0end; | |
740 | ssize_t inc0; | |
48ffc52c | 741 | scm_array_get_handle (SCM_I_ARRAY_V (ra0), &h0); |
c3e3ef6e DL |
742 | i0 = h0.base + h0.dims[0].lbnd + SCM_I_ARRAY_BASE (ra0)*h0.dims[0].inc; |
743 | inc0 = SCM_I_ARRAY_DIMS (ra0)->inc * h0.dims[0].inc; | |
744 | i0end = i0 + n*inc0; | |
d2e53ed6 | 745 | if (scm_is_null (ras)) |
c3e3ef6e DL |
746 | for (; i0 < i0end; i0 += inc0) |
747 | scm_call_1 (proc, h0.impl->vref (&h0, i0)); | |
0f2d19dd JB |
748 | else |
749 | { | |
c3e3ef6e DL |
750 | ras = scm_vector (ras); |
751 | for (; i0 < i0end; i0 += inc0, ++i) | |
752 | { | |
753 | SCM args = SCM_EOL; | |
754 | unsigned long k; | |
755 | for (k = scm_c_vector_length (ras); k--;) | |
756 | args = scm_cons (GVREF (scm_c_vector_ref (ras, k), i), args); | |
757 | scm_apply_1 (proc, h0.impl->vref (&h0, i0), args); | |
758 | } | |
0f2d19dd | 759 | } |
c3e3ef6e | 760 | scm_array_handle_release (&h0); |
0f2d19dd JB |
761 | return 1; |
762 | } | |
763 | ||
3b3b36dd | 764 | SCM_DEFINE (scm_array_for_each, "array-for-each", 2, 0, 1, |
c209c88e | 765 | (SCM proc, SCM ra0, SCM lra), |
b7e64f8b | 766 | "Apply @var{proc} to each tuple of elements of @var{ra0} @dots{}\n" |
b380b885 | 767 | "in row-major order. The value returned is unspecified.") |
1bbd0b84 | 768 | #define FUNC_NAME s_scm_array_for_each |
0f2d19dd | 769 | { |
34d19ef6 | 770 | SCM_VALIDATE_PROC (1, proc); |
af45e3b0 | 771 | SCM_VALIDATE_REST_ARGUMENT (lra); |
c209c88e | 772 | scm_ramapc (rafe, proc, ra0, lra, FUNC_NAME); |
0f2d19dd JB |
773 | return SCM_UNSPECIFIED; |
774 | } | |
1bbd0b84 | 775 | #undef FUNC_NAME |
0f2d19dd | 776 | |
3b3b36dd | 777 | SCM_DEFINE (scm_array_index_map_x, "array-index-map!", 2, 0, 0, |
c209c88e | 778 | (SCM ra, SCM proc), |
b7e64f8b | 779 | "Apply @var{proc} to the indices of each element of @var{ra} in\n" |
b380b885 MD |
780 | "turn, storing the result in the corresponding element. The value\n" |
781 | "returned and the order of application are unspecified.\n\n" | |
782 | "One can implement @var{array-indexes} as\n" | |
1e6808ea | 783 | "@lisp\n" |
b380b885 MD |
784 | "(define (array-indexes array)\n" |
785 | " (let ((ra (apply make-array #f (array-shape array))))\n" | |
786 | " (array-index-map! ra (lambda x x))\n" | |
787 | " ra))\n" | |
1e6808ea | 788 | "@end lisp\n" |
b380b885 | 789 | "Another example:\n" |
1e6808ea | 790 | "@lisp\n" |
b380b885 MD |
791 | "(define (apl:index-generator n)\n" |
792 | " (let ((v (make-uniform-vector n 1)))\n" | |
793 | " (array-index-map! v (lambda (i) i))\n" | |
794 | " v))\n" | |
1e6808ea | 795 | "@end lisp") |
1bbd0b84 | 796 | #define FUNC_NAME s_scm_array_index_map_x |
0f2d19dd | 797 | { |
c014a02e | 798 | unsigned long i; |
34d19ef6 | 799 | SCM_VALIDATE_PROC (2, proc); |
399aba0a | 800 | |
5ead53fc | 801 | if (SCM_I_ARRAYP (ra)) |
399aba0a MV |
802 | { |
803 | SCM args = SCM_EOL; | |
04b87de5 | 804 | int j, k, kmax = SCM_I_ARRAY_NDIM (ra) - 1; |
b4b33636 MV |
805 | long *vinds; |
806 | ||
399aba0a MV |
807 | if (kmax < 0) |
808 | return scm_array_set_x (ra, scm_call_0 (proc), SCM_EOL); | |
b4b33636 | 809 | |
d66b74dc LC |
810 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra), |
811 | indices_gc_hint); | |
b4b33636 | 812 | |
399aba0a | 813 | for (k = 0; k <= kmax; k++) |
04b87de5 | 814 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; |
399aba0a MV |
815 | k = kmax; |
816 | do | |
817 | { | |
818 | if (k == kmax) | |
819 | { | |
04b87de5 | 820 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; |
b4b33636 | 821 | i = cind (ra, vinds); |
04b87de5 | 822 | for (; vinds[k] <= SCM_I_ARRAY_DIMS (ra)[k].ubnd; vinds[k]++) |
399aba0a MV |
823 | { |
824 | for (j = kmax + 1, args = SCM_EOL; j--;) | |
825 | args = scm_cons (scm_from_long (vinds[j]), args); | |
04b87de5 MV |
826 | GVSET (SCM_I_ARRAY_V (ra), i, scm_apply_0 (proc, args)); |
827 | i += SCM_I_ARRAY_DIMS (ra)[k].inc; | |
399aba0a MV |
828 | } |
829 | k--; | |
830 | continue; | |
831 | } | |
04b87de5 | 832 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra)[k].ubnd) |
399aba0a MV |
833 | { |
834 | vinds[k]++; | |
835 | k++; | |
836 | continue; | |
837 | } | |
04b87de5 | 838 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd - 1; |
399aba0a MV |
839 | k--; |
840 | } | |
841 | while (k >= 0); | |
b4b33636 | 842 | |
399aba0a | 843 | return SCM_UNSPECIFIED; |
e42c09cc | 844 | } |
5ead53fc MV |
845 | else if (scm_is_generalized_vector (ra)) |
846 | { | |
847 | size_t length = scm_c_generalized_vector_length (ra); | |
848 | for (i = 0; i < length; i++) | |
849 | GVSET (ra, i, scm_call_1 (proc, scm_from_ulong (i))); | |
850 | return SCM_UNSPECIFIED; | |
851 | } | |
852 | else | |
399aba0a | 853 | scm_wrong_type_arg_msg (NULL, 0, ra, "array"); |
0f2d19dd | 854 | } |
1bbd0b84 | 855 | #undef FUNC_NAME |
0f2d19dd | 856 | |
1cc91f1b | 857 | |
0f2d19dd | 858 | static int |
a587d6a9 AW |
859 | array_compare (scm_t_array_handle *hx, scm_t_array_handle *hy, |
860 | size_t dim, unsigned long posx, unsigned long posy) | |
0f2d19dd | 861 | { |
a587d6a9 AW |
862 | if (dim == scm_array_handle_rank (hx)) |
863 | return scm_is_true (scm_equal_p (scm_array_handle_ref (hx, posx), | |
864 | scm_array_handle_ref (hy, posy))); | |
e466c6a2 | 865 | else |
c209c88e | 866 | { |
a587d6a9 AW |
867 | long incx, incy; |
868 | size_t i; | |
399aba0a | 869 | |
a587d6a9 AW |
870 | if (hx->dims[dim].lbnd != hy->dims[dim].lbnd |
871 | || hx->dims[dim].ubnd != hy->dims[dim].ubnd) | |
872 | return 0; | |
873 | ||
874 | i = hx->dims[dim].ubnd - hx->dims[dim].lbnd + 1; | |
875 | ||
876 | incx = hx->dims[dim].inc; | |
877 | incy = hy->dims[dim].inc; | |
878 | posx += (i - 1) * incx; | |
879 | posy += (i - 1) * incy; | |
880 | ||
881 | for (; i > 0; i--, posx -= incx, posy -= incy) | |
882 | if (!array_compare (hx, hy, dim + 1, posx, posy)) | |
883 | return 0; | |
c209c88e | 884 | return 1; |
c209c88e | 885 | } |
0f2d19dd JB |
886 | } |
887 | ||
a587d6a9 AW |
888 | SCM |
889 | scm_array_equal_p (SCM x, SCM y) | |
0f2d19dd | 890 | { |
a587d6a9 AW |
891 | scm_t_array_handle hx, hy; |
892 | SCM res; | |
893 | ||
894 | scm_array_get_handle (x, &hx); | |
895 | scm_array_get_handle (y, &hy); | |
896 | ||
897 | res = scm_from_bool (hx.ndims == hy.ndims | |
898 | && hx.element_type == hy.element_type); | |
3ffd1ba9 | 899 | |
a587d6a9 AW |
900 | if (scm_is_true (res)) |
901 | res = scm_from_bool (array_compare (&hx, &hy, 0, 0, 0)); | |
0f2d19dd | 902 | |
a587d6a9 AW |
903 | scm_array_handle_release (&hy); |
904 | scm_array_handle_release (&hx); | |
1cc91f1b | 905 | |
a587d6a9 | 906 | return res; |
0f2d19dd JB |
907 | } |
908 | ||
f1d19308 | 909 | static SCM scm_i_array_equal_p (SCM, SCM, SCM); |
31d845b4 AW |
910 | SCM_DEFINE (scm_i_array_equal_p, "array-equal?", 0, 2, 1, |
911 | (SCM ra0, SCM ra1, SCM rest), | |
1e6808ea MG |
912 | "Return @code{#t} iff all arguments are arrays with the same\n" |
913 | "shape, the same type, and have corresponding elements which are\n" | |
914 | "either @code{equal?} or @code{array-equal?}. This function\n" | |
a587d6a9 | 915 | "differs from @code{equal?} in that all arguments must be arrays.") |
31d845b4 AW |
916 | #define FUNC_NAME s_scm_i_array_equal_p |
917 | { | |
918 | if (SCM_UNBNDP (ra0) || SCM_UNBNDP (ra1)) | |
919 | return SCM_BOOL_T; | |
920 | ||
921 | while (!scm_is_null (rest)) | |
8a1f4f98 | 922 | { if (scm_is_false (scm_array_equal_p (ra0, ra1))) |
31d845b4 | 923 | return SCM_BOOL_F; |
8a1f4f98 AW |
924 | ra0 = ra1; |
925 | ra1 = scm_car (rest); | |
31d845b4 AW |
926 | rest = scm_cdr (rest); |
927 | } | |
928 | return scm_array_equal_p (ra0, ra1); | |
0f981281 | 929 | } |
4079f87e | 930 | #undef FUNC_NAME |
0f2d19dd | 931 | |
1cc91f1b | 932 | |
0f2d19dd | 933 | void |
5d1b3b2d | 934 | scm_init_array_map (void) |
0f2d19dd | 935 | { |
5d1b3b2d | 936 | #include "libguile/array-map.x" |
1bbd0b84 | 937 | scm_add_feature (s_scm_array_for_each); |
0f2d19dd | 938 | } |
89e00824 ML |
939 | |
940 | /* | |
941 | Local Variables: | |
942 | c-file-style: "gnu" | |
943 | End: | |
944 | */ |