Commit | Line | Data |
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72e2b592 | 1 | /* Copyright (C) 1996, 1998, 2000, 2001, 2004, 2005, 2006, 2008, 2009, |
5e8c9d4a | 2 | * 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc. |
0f2d19dd | 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" |
a0599745 MD |
42 | |
43 | #include "libguile/validate.h" | |
5d1b3b2d | 44 | #include "libguile/array-map.h" |
0f2d19dd JB |
45 | \f |
46 | ||
d66b74dc LC |
47 | /* The WHAT argument for `scm_gc_malloc ()' et al. */ |
48 | static const char indices_gc_hint[] = "array-indices"; | |
49 | ||
5e8c9d4a DL |
50 | static SCM |
51 | AREF (SCM v, size_t pos) | |
52 | { | |
53 | return scm_c_array_ref_1 (v, pos); | |
54 | } | |
0f2d19dd | 55 | |
5e8c9d4a DL |
56 | static void |
57 | ASET (SCM v, size_t pos, SCM val) | |
58 | { | |
59 | scm_c_array_set_1_x (v, val, pos); | |
60 | } | |
c209c88e | 61 | |
c014a02e | 62 | static unsigned long |
b4b33636 | 63 | cind (SCM ra, long *ve) |
0f2d19dd | 64 | { |
c014a02e | 65 | unsigned long i; |
0f2d19dd | 66 | int k; |
04b87de5 | 67 | if (!SCM_I_ARRAYP (ra)) |
0f2d19dd | 68 | return *ve; |
04b87de5 MV |
69 | i = SCM_I_ARRAY_BASE (ra); |
70 | for (k = 0; k < SCM_I_ARRAY_NDIM (ra); k++) | |
71 | i += (ve[k] - SCM_I_ARRAY_DIMS (ra)[k].lbnd) * SCM_I_ARRAY_DIMS (ra)[k].inc; | |
0f2d19dd JB |
72 | return i; |
73 | } | |
74 | ||
75 | ||
76 | /* Checker for scm_array mapping functions: | |
77 | return values: 4 --> shapes, increments, and bases are the same; | |
78 | 3 --> shapes and increments are the same; | |
79 | 2 --> shapes are the same; | |
80 | 1 --> ras are at least as big as ra0; | |
81 | 0 --> no match. | |
82 | */ | |
1cc91f1b | 83 | |
0f2d19dd | 84 | int |
6e8d25a6 | 85 | scm_ra_matchp (SCM ra0, SCM ras) |
0f2d19dd JB |
86 | { |
87 | SCM ra1; | |
92c2555f MV |
88 | scm_t_array_dim dims; |
89 | scm_t_array_dim *s0 = &dims; | |
90 | scm_t_array_dim *s1; | |
c014a02e | 91 | unsigned long bas0 = 0; |
0f2d19dd | 92 | int i, ndim = 1; |
399aba0a MV |
93 | int exact = 2 /* 4 */ ; /* Don't care about values >2 (yet?) */ |
94 | ||
f0521cda AW |
95 | if (SCM_I_ARRAYP (ra0)) |
96 | { | |
97 | ndim = SCM_I_ARRAY_NDIM (ra0); | |
98 | s0 = SCM_I_ARRAY_DIMS (ra0); | |
99 | bas0 = SCM_I_ARRAY_BASE (ra0); | |
100 | } | |
101 | else if (scm_is_array (ra0)) | |
c209c88e | 102 | { |
c209c88e GB |
103 | s0->lbnd = 0; |
104 | s0->inc = 1; | |
16259ae3 | 105 | s0->ubnd = scm_c_array_length (ra0) - 1; |
399aba0a | 106 | } |
16259ae3 | 107 | else |
f0521cda | 108 | return 0; |
399aba0a | 109 | |
62fdadb0 | 110 | while (scm_is_pair (ras)) |
c209c88e GB |
111 | { |
112 | ra1 = SCM_CAR (ras); | |
16259ae3 DL |
113 | |
114 | if (!SCM_I_ARRAYP (ra1)) | |
c209c88e | 115 | { |
399aba0a | 116 | size_t length; |
16259ae3 | 117 | |
399aba0a | 118 | if (1 != ndim) |
c209c88e | 119 | return 0; |
16259ae3 DL |
120 | |
121 | length = scm_c_array_length (ra1); | |
122 | ||
399aba0a MV |
123 | switch (exact) |
124 | { | |
125 | case 4: | |
126 | if (0 != bas0) | |
127 | exact = 3; | |
128 | case 3: | |
129 | if (1 != s0->inc) | |
130 | exact = 2; | |
131 | case 2: | |
132 | if ((0 == s0->lbnd) && (s0->ubnd == length - 1)) | |
133 | break; | |
134 | exact = 1; | |
135 | case 1: | |
136 | if (s0->lbnd < 0 || s0->ubnd >= length) | |
137 | return 0; | |
138 | } | |
139 | } | |
16259ae3 | 140 | else if (ndim == SCM_I_ARRAY_NDIM (ra1)) |
399aba0a | 141 | { |
04b87de5 MV |
142 | s1 = SCM_I_ARRAY_DIMS (ra1); |
143 | if (bas0 != SCM_I_ARRAY_BASE (ra1)) | |
c209c88e GB |
144 | exact = 3; |
145 | for (i = 0; i < ndim; i++) | |
146 | switch (exact) | |
147 | { | |
148 | case 4: | |
149 | case 3: | |
150 | if (s0[i].inc != s1[i].inc) | |
151 | exact = 2; | |
152 | case 2: | |
153 | if (s0[i].lbnd == s1[i].lbnd && s0[i].ubnd == s1[i].ubnd) | |
154 | break; | |
155 | exact = 1; | |
156 | default: | |
157 | if (s0[i].lbnd < s1[i].lbnd || s0[i].ubnd > s1[i].ubnd) | |
158 | return (s0[i].lbnd <= s0[i].ubnd ? 0 : 1); | |
159 | } | |
c209c88e | 160 | } |
399aba0a MV |
161 | else |
162 | return 0; | |
163 | ||
c209c88e GB |
164 | ras = SCM_CDR (ras); |
165 | } | |
399aba0a | 166 | |
0f2d19dd JB |
167 | return exact; |
168 | } | |
169 | ||
1bbd0b84 GB |
170 | /* array mapper: apply cproc to each dimension of the given arrays?. |
171 | int (*cproc) (); procedure to call on unrolled arrays? | |
5c11cc9d | 172 | cproc (dest, source list) or |
1bbd0b84 GB |
173 | cproc (dest, data, source list). |
174 | SCM data; data to give to cproc or unbound. | |
175 | SCM ra0; destination array. | |
176 | SCM lra; list of source arrays. | |
177 | const char *what; caller, for error reporting. */ | |
178 | int | |
10b9343f | 179 | scm_ramapc (void *cproc_ptr, SCM data, SCM ra0, SCM lra, const char *what) |
0f2d19dd | 180 | { |
b4b33636 | 181 | SCM z; |
0f2d19dd JB |
182 | SCM vra0, ra1, vra1; |
183 | SCM lvra, *plvra; | |
c014a02e | 184 | long *vinds; |
0f2d19dd | 185 | int k, kmax; |
13af75bf | 186 | int (*cproc) () = cproc_ptr; |
10b9343f | 187 | |
0f2d19dd JB |
188 | switch (scm_ra_matchp (ra0, lra)) |
189 | { | |
190 | default: | |
191 | case 0: | |
9cf5d9b7 | 192 | scm_misc_error (what, "array shape mismatch: ~S", scm_list_1 (ra0)); |
0f2d19dd JB |
193 | case 2: |
194 | case 3: | |
195 | case 4: /* Try unrolling arrays */ | |
04b87de5 | 196 | kmax = (SCM_I_ARRAYP (ra0) ? SCM_I_ARRAY_NDIM (ra0) - 1 : 0); |
0f2d19dd JB |
197 | if (kmax < 0) |
198 | goto gencase; | |
199 | vra0 = scm_array_contents (ra0, SCM_UNDEFINED); | |
ff467021 | 200 | if (SCM_IMP (vra0)) goto gencase; |
04b87de5 | 201 | if (!SCM_I_ARRAYP (vra0)) |
0f2d19dd | 202 | { |
16259ae3 | 203 | size_t length = scm_c_array_length (vra0); |
66b9d7d3 | 204 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
205 | SCM_I_ARRAY_BASE (vra1) = 0; |
206 | SCM_I_ARRAY_DIMS (vra1)->lbnd = 0; | |
207 | SCM_I_ARRAY_DIMS (vra1)->ubnd = length - 1; | |
208 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
209 | SCM_I_ARRAY_V (vra1) = vra0; | |
0f2d19dd JB |
210 | vra0 = vra1; |
211 | } | |
212 | lvra = SCM_EOL; | |
213 | plvra = &lvra; | |
62fdadb0 | 214 | for (z = lra; scm_is_pair (z); z = SCM_CDR (z)) |
0f2d19dd JB |
215 | { |
216 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 217 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
218 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
219 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
220 | if (!SCM_I_ARRAYP (ra1)) | |
0f2d19dd | 221 | { |
04b87de5 MV |
222 | SCM_I_ARRAY_BASE (vra1) = 0; |
223 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
224 | SCM_I_ARRAY_V (vra1) = ra1; | |
0f2d19dd | 225 | } |
04b87de5 | 226 | else if (!SCM_I_ARRAY_CONTP (ra1)) |
0f2d19dd JB |
227 | goto gencase; |
228 | else | |
229 | { | |
04b87de5 MV |
230 | SCM_I_ARRAY_BASE (vra1) = SCM_I_ARRAY_BASE (ra1); |
231 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; | |
232 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
233 | } |
234 | *plvra = scm_cons (vra1, SCM_EOL); | |
25d8012c | 235 | plvra = SCM_CDRLOC (*plvra); |
0f2d19dd JB |
236 | } |
237 | return (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra)); | |
238 | case 1: | |
239 | gencase: /* Have to loop over all dimensions. */ | |
66b9d7d3 | 240 | vra0 = scm_i_make_array (1); |
04b87de5 | 241 | if (SCM_I_ARRAYP (ra0)) |
c209c88e | 242 | { |
04b87de5 | 243 | kmax = SCM_I_ARRAY_NDIM (ra0) - 1; |
c209c88e | 244 | if (kmax < 0) |
0f2d19dd | 245 | { |
04b87de5 MV |
246 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
247 | SCM_I_ARRAY_DIMS (vra0)->ubnd = 0; | |
248 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
0f2d19dd | 249 | } |
c209c88e GB |
250 | else |
251 | { | |
04b87de5 MV |
252 | SCM_I_ARRAY_DIMS (vra0)->lbnd = SCM_I_ARRAY_DIMS (ra0)[kmax].lbnd; |
253 | SCM_I_ARRAY_DIMS (vra0)->ubnd = SCM_I_ARRAY_DIMS (ra0)[kmax].ubnd; | |
254 | SCM_I_ARRAY_DIMS (vra0)->inc = SCM_I_ARRAY_DIMS (ra0)[kmax].inc; | |
c209c88e | 255 | } |
04b87de5 MV |
256 | SCM_I_ARRAY_BASE (vra0) = SCM_I_ARRAY_BASE (ra0); |
257 | SCM_I_ARRAY_V (vra0) = SCM_I_ARRAY_V (ra0); | |
c209c88e GB |
258 | } |
259 | else | |
260 | { | |
16259ae3 | 261 | size_t length = scm_c_array_length (ra0); |
c209c88e | 262 | kmax = 0; |
04b87de5 MV |
263 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
264 | SCM_I_ARRAY_DIMS (vra0)->ubnd = length - 1; | |
265 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
266 | SCM_I_ARRAY_BASE (vra0) = 0; | |
267 | SCM_I_ARRAY_V (vra0) = ra0; | |
c209c88e GB |
268 | ra0 = vra0; |
269 | } | |
270 | lvra = SCM_EOL; | |
271 | plvra = &lvra; | |
62fdadb0 | 272 | for (z = lra; scm_is_pair (z); z = SCM_CDR (z)) |
c209c88e GB |
273 | { |
274 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 275 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
276 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
277 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
278 | if (SCM_I_ARRAYP (ra1)) | |
c209c88e GB |
279 | { |
280 | if (kmax >= 0) | |
04b87de5 MV |
281 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; |
282 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
283 | } |
284 | else | |
285 | { | |
04b87de5 MV |
286 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; |
287 | SCM_I_ARRAY_V (vra1) = ra1; | |
c209c88e GB |
288 | } |
289 | *plvra = scm_cons (vra1, SCM_EOL); | |
290 | plvra = SCM_CDRLOC (*plvra); | |
291 | } | |
b4b33636 | 292 | |
d66b74dc LC |
293 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra0), |
294 | indices_gc_hint); | |
b4b33636 | 295 | |
c209c88e | 296 | for (k = 0; k <= kmax; k++) |
04b87de5 | 297 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd; |
c209c88e GB |
298 | k = kmax; |
299 | do | |
300 | { | |
301 | if (k == kmax) | |
302 | { | |
303 | SCM y = lra; | |
04b87de5 | 304 | SCM_I_ARRAY_BASE (vra0) = cind (ra0, vinds); |
62fdadb0 | 305 | for (z = lvra; scm_is_pair (z); z = SCM_CDR (z), y = SCM_CDR (y)) |
04b87de5 | 306 | SCM_I_ARRAY_BASE (SCM_CAR (z)) = cind (SCM_CAR (y), vinds); |
c209c88e GB |
307 | if (0 == (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra))) |
308 | return 0; | |
309 | k--; | |
310 | continue; | |
311 | } | |
04b87de5 | 312 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra0)[k].ubnd) |
c209c88e GB |
313 | { |
314 | vinds[k]++; | |
315 | k++; | |
316 | continue; | |
317 | } | |
04b87de5 | 318 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd - 1; |
c209c88e GB |
319 | k--; |
320 | } | |
321 | while (k >= 0); | |
b4b33636 | 322 | |
c209c88e | 323 | return 1; |
0f2d19dd JB |
324 | } |
325 | } | |
326 | ||
ab1ca179 DL |
327 | static int |
328 | rafill (SCM dst, SCM fill) | |
329 | { | |
330 | long n = (SCM_I_ARRAY_DIMS (dst)->ubnd - SCM_I_ARRAY_DIMS (dst)->lbnd + 1); | |
331 | scm_t_array_handle h; | |
332 | size_t i; | |
333 | ssize_t inc; | |
48ffc52c | 334 | scm_array_get_handle (SCM_I_ARRAY_V (dst), &h); |
13af75bf DL |
335 | i = SCM_I_ARRAY_BASE (dst); |
336 | inc = SCM_I_ARRAY_DIMS (dst)->inc; | |
ab1ca179 DL |
337 | |
338 | for (; n-- > 0; i += inc) | |
339 | h.impl->vset (&h, i, fill); | |
340 | ||
341 | scm_array_handle_release (&h); | |
342 | return 1; | |
343 | } | |
0f2d19dd | 344 | |
3b3b36dd | 345 | SCM_DEFINE (scm_array_fill_x, "array-fill!", 2, 0, 0, |
c209c88e | 346 | (SCM ra, SCM fill), |
b7e64f8b BT |
347 | "Store @var{fill} in every element of array @var{ra}. The value\n" |
348 | "returned is unspecified.") | |
1bbd0b84 | 349 | #define FUNC_NAME s_scm_array_fill_x |
ad310508 | 350 | { |
ab1ca179 | 351 | scm_ramapc (rafill, fill, ra, SCM_EOL, FUNC_NAME); |
ad310508 MD |
352 | return SCM_UNSPECIFIED; |
353 | } | |
1bbd0b84 | 354 | #undef FUNC_NAME |
ad310508 | 355 | |
0f2d19dd | 356 | |
72e2b592 | 357 | static int |
1bbd0b84 | 358 | racp (SCM src, SCM dst) |
0f2d19dd | 359 | { |
04b87de5 | 360 | long n = (SCM_I_ARRAY_DIMS (src)->ubnd - SCM_I_ARRAY_DIMS (src)->lbnd + 1); |
72e2b592 DL |
361 | scm_t_array_handle h_s, h_d; |
362 | size_t i_s, i_d; | |
363 | ssize_t inc_s, inc_d; | |
364 | ||
0f2d19dd | 365 | dst = SCM_CAR (dst); |
48ffc52c DL |
366 | scm_array_get_handle (SCM_I_ARRAY_V (src), &h_s); |
367 | scm_array_get_handle (SCM_I_ARRAY_V (dst), &h_d); | |
72e2b592 | 368 | |
13af75bf DL |
369 | i_s = SCM_I_ARRAY_BASE (src); |
370 | i_d = SCM_I_ARRAY_BASE (dst); | |
371 | inc_s = SCM_I_ARRAY_DIMS (src)->inc; | |
372 | inc_d = SCM_I_ARRAY_DIMS (dst)->inc; | |
c209c88e | 373 | |
399aba0a | 374 | for (; n-- > 0; i_s += inc_s, i_d += inc_d) |
72e2b592 DL |
375 | h_d.impl->vset (&h_d, i_d, h_s.impl->vref (&h_s, i_s)); |
376 | ||
377 | scm_array_handle_release (&h_d); | |
378 | scm_array_handle_release (&h_s); | |
379 | ||
0f2d19dd JB |
380 | return 1; |
381 | } | |
382 | ||
1bbd0b84 | 383 | SCM_REGISTER_PROC(s_array_copy_in_order_x, "array-copy-in-order!", 2, 0, 0, scm_array_copy_x); |
1cc91f1b | 384 | |
1bbd0b84 | 385 | |
3b3b36dd | 386 | SCM_DEFINE (scm_array_copy_x, "array-copy!", 2, 0, 0, |
c209c88e | 387 | (SCM src, SCM dst), |
8f85c0c6 | 388 | "@deffnx {Scheme Procedure} array-copy-in-order! src dst\n" |
b7e64f8b BT |
389 | "Copy every element from vector or array @var{src} to the\n" |
390 | "corresponding element of @var{dst}. @var{dst} must have the\n" | |
391 | "same rank as @var{src}, and be at least as large in each\n" | |
b380b885 | 392 | "dimension. The order is unspecified.") |
1bbd0b84 | 393 | #define FUNC_NAME s_scm_array_copy_x |
0f2d19dd | 394 | { |
c209c88e | 395 | scm_ramapc (racp, SCM_UNDEFINED, src, scm_cons (dst, SCM_EOL), FUNC_NAME); |
0f2d19dd JB |
396 | return SCM_UNSPECIFIED; |
397 | } | |
1bbd0b84 | 398 | #undef FUNC_NAME |
0f2d19dd | 399 | |
0f2d19dd | 400 | |
75a1b26c | 401 | #if SCM_ENABLE_DEPRECATED == 1 |
1cc91f1b | 402 | |
d09b201d DL |
403 | /* to be used as cproc in scm_ramapc to fill an array dimension with |
404 | "fill". */ | |
405 | int | |
406 | scm_array_fill_int (SCM ra, SCM fill, SCM ignore SCM_UNUSED) | |
407 | { | |
408 | unsigned long i; | |
409 | unsigned long n = SCM_I_ARRAY_DIMS (ra)->ubnd - SCM_I_ARRAY_DIMS (ra)->lbnd + 1; | |
410 | long inc = SCM_I_ARRAY_DIMS (ra)->inc; | |
411 | unsigned long base = SCM_I_ARRAY_BASE (ra); | |
412 | ||
413 | ra = SCM_I_ARRAY_V (ra); | |
414 | ||
415 | for (i = base; n--; i += inc) | |
5e8c9d4a | 416 | ASET (ra, i, fill); |
d09b201d DL |
417 | |
418 | return 1; | |
419 | } | |
420 | ||
421 | /* Functions callable by ARRAY-MAP! */ | |
1cc91f1b | 422 | |
0f2d19dd | 423 | int |
1bbd0b84 | 424 | scm_ra_eqp (SCM ra0, SCM ras) |
0f2d19dd JB |
425 | { |
426 | SCM ra1 = SCM_CAR (ras), ra2 = SCM_CAR (SCM_CDR (ras)); | |
fab07c30 MV |
427 | scm_t_array_handle ra0_handle; |
428 | scm_t_array_dim *ra0_dims; | |
429 | size_t n; | |
430 | ssize_t inc0; | |
431 | size_t i0 = 0; | |
432 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
433 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
434 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
435 | ra1 = SCM_I_ARRAY_V (ra1); |
436 | ra2 = SCM_I_ARRAY_V (ra2); | |
fab07c30 MV |
437 | |
438 | scm_array_get_handle (ra0, &ra0_handle); | |
439 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
440 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
441 | inc0 = ra0_dims[0].inc; | |
442 | ||
399aba0a | 443 | { |
399aba0a | 444 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 445 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
5e8c9d4a | 446 | if (!scm_is_eq (AREF (ra1, i1), AREF (ra2, i2))) |
fab07c30 | 447 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
448 | } |
449 | ||
fab07c30 | 450 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
451 | return 1; |
452 | } | |
453 | ||
454 | /* opt 0 means <, nonzero means >= */ | |
1cc91f1b | 455 | |
0f2d19dd | 456 | static int |
34d19ef6 | 457 | ra_compare (SCM ra0, SCM ra1, SCM ra2, int opt) |
0f2d19dd | 458 | { |
fab07c30 MV |
459 | scm_t_array_handle ra0_handle; |
460 | scm_t_array_dim *ra0_dims; | |
461 | size_t n; | |
462 | ssize_t inc0; | |
463 | size_t i0 = 0; | |
464 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
465 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
466 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
467 | ra1 = SCM_I_ARRAY_V (ra1); |
468 | ra2 = SCM_I_ARRAY_V (ra2); | |
399aba0a | 469 | |
fab07c30 MV |
470 | scm_array_get_handle (ra0, &ra0_handle); |
471 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
472 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
473 | inc0 = ra0_dims[0].inc; | |
474 | ||
399aba0a | 475 | { |
399aba0a | 476 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 477 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
399aba0a | 478 | if (opt ? |
5e8c9d4a DL |
479 | scm_is_true (scm_less_p (AREF (ra1, i1), AREF (ra2, i2))) : |
480 | scm_is_false (scm_less_p (AREF (ra1, i1), AREF (ra2, i2)))) | |
fab07c30 | 481 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
482 | } |
483 | ||
fab07c30 | 484 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
485 | return 1; |
486 | } | |
487 | ||
488 | ||
1cc91f1b | 489 | |
0f2d19dd | 490 | int |
1bbd0b84 | 491 | scm_ra_lessp (SCM ra0, SCM ras) |
0f2d19dd JB |
492 | { |
493 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 0); | |
494 | } | |
495 | ||
1cc91f1b | 496 | |
0f2d19dd | 497 | int |
1bbd0b84 | 498 | scm_ra_leqp (SCM ra0, SCM ras) |
0f2d19dd JB |
499 | { |
500 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 1); | |
501 | } | |
502 | ||
1cc91f1b | 503 | |
0f2d19dd | 504 | int |
1bbd0b84 | 505 | scm_ra_grp (SCM ra0, SCM ras) |
0f2d19dd JB |
506 | { |
507 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 0); | |
508 | } | |
509 | ||
1cc91f1b | 510 | |
0f2d19dd | 511 | int |
1bbd0b84 | 512 | scm_ra_greqp (SCM ra0, SCM ras) |
0f2d19dd JB |
513 | { |
514 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 1); | |
515 | } | |
516 | ||
517 | ||
0f2d19dd | 518 | int |
1bbd0b84 | 519 | scm_ra_sum (SCM ra0, SCM ras) |
0f2d19dd | 520 | { |
04b87de5 MV |
521 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
522 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
523 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
524 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 525 | if (!scm_is_null(ras)) |
c209c88e GB |
526 | { |
527 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
528 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
529 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
530 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
531 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
532 | { | |
533 | default: | |
0f2d19dd | 534 | { |
c209c88e | 535 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
5e8c9d4a | 536 | ASET (ra0, i0, scm_sum (AREF(ra0, i0), AREF(ra1, i1))); |
c209c88e GB |
537 | break; |
538 | } | |
c209c88e GB |
539 | } |
540 | } | |
0f2d19dd JB |
541 | return 1; |
542 | } | |
543 | ||
544 | ||
1cc91f1b | 545 | |
0f2d19dd | 546 | int |
1bbd0b84 | 547 | scm_ra_difference (SCM ra0, SCM ras) |
0f2d19dd | 548 | { |
04b87de5 MV |
549 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
550 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
551 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
552 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 553 | if (scm_is_null (ras)) |
c209c88e GB |
554 | { |
555 | switch (SCM_TYP7 (ra0)) | |
556 | { | |
557 | default: | |
558 | { | |
c209c88e | 559 | for (; n-- > 0; i0 += inc0) |
5e8c9d4a | 560 | ASET (ra0, i0, scm_difference (AREF(ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
561 | break; |
562 | } | |
c209c88e GB |
563 | } |
564 | } | |
0f2d19dd JB |
565 | else |
566 | { | |
567 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
568 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
569 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
570 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
571 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
572 | { | |
573 | default: | |
574 | { | |
0f2d19dd | 575 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
5e8c9d4a | 576 | ASET (ra0, i0, scm_difference (AREF (ra0, i0), AREF (ra1, i1))); |
0f2d19dd JB |
577 | break; |
578 | } | |
0f2d19dd JB |
579 | } |
580 | } | |
581 | return 1; | |
582 | } | |
583 | ||
584 | ||
1cc91f1b | 585 | |
0f2d19dd | 586 | int |
1bbd0b84 | 587 | scm_ra_product (SCM ra0, SCM ras) |
0f2d19dd | 588 | { |
04b87de5 MV |
589 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
590 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
591 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
592 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 593 | if (!scm_is_null (ras)) |
c209c88e GB |
594 | { |
595 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
596 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
597 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
598 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
599 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
600 | { | |
601 | default: | |
0f2d19dd | 602 | { |
c209c88e | 603 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
5e8c9d4a | 604 | ASET (ra0, i0, scm_product (AREF (ra0, i0), AREF (ra1, i1))); |
c209c88e | 605 | } |
c209c88e GB |
606 | } |
607 | } | |
0f2d19dd JB |
608 | return 1; |
609 | } | |
610 | ||
1cc91f1b | 611 | |
0f2d19dd | 612 | int |
1bbd0b84 | 613 | scm_ra_divide (SCM ra0, SCM ras) |
0f2d19dd | 614 | { |
04b87de5 MV |
615 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
616 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
617 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
618 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 619 | if (scm_is_null (ras)) |
c209c88e GB |
620 | { |
621 | switch (SCM_TYP7 (ra0)) | |
622 | { | |
623 | default: | |
624 | { | |
c209c88e | 625 | for (; n-- > 0; i0 += inc0) |
5e8c9d4a | 626 | ASET (ra0, i0, scm_divide (AREF (ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
627 | break; |
628 | } | |
c209c88e GB |
629 | } |
630 | } | |
0f2d19dd JB |
631 | else |
632 | { | |
633 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
634 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
635 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
636 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
637 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
638 | { | |
639 | default: | |
640 | { | |
0f2d19dd | 641 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
afaf9d0b | 642 | { |
5e8c9d4a DL |
643 | SCM res = scm_divide (AREF (ra0, i0), AREF (ra1, i1)); |
644 | ASET (ra0, i0, res); | |
afaf9d0b | 645 | } |
0f2d19dd JB |
646 | break; |
647 | } | |
0f2d19dd JB |
648 | } |
649 | } | |
650 | return 1; | |
651 | } | |
652 | ||
1cc91f1b | 653 | |
0f2d19dd | 654 | int |
1bbd0b84 | 655 | scm_array_identity (SCM dst, SCM src) |
0f2d19dd JB |
656 | { |
657 | return racp (SCM_CAR (src), scm_cons (dst, SCM_EOL)); | |
658 | } | |
659 | ||
75a1b26c | 660 | #endif /* SCM_ENABLE_DEPRECATED */ |
0f2d19dd | 661 | |
75a1b26c | 662 | static int |
34d19ef6 | 663 | ramap (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 664 | { |
9a68d7b3 | 665 | ssize_t i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
51a1763f | 666 | size_t n = SCM_I_ARRAY_DIMS (ra0)->ubnd - i + 1; |
9a68d7b3 | 667 | |
51a1763f DL |
668 | scm_t_array_handle h0; |
669 | size_t i0, i0end; | |
670 | ssize_t inc0; | |
48ffc52c | 671 | scm_array_get_handle (SCM_I_ARRAY_V (ra0), &h0); |
13af75bf DL |
672 | i0 = SCM_I_ARRAY_BASE (ra0); |
673 | inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
51a1763f | 674 | i0end = i0 + n*inc0; |
d2e53ed6 | 675 | if (scm_is_null (ras)) |
9a68d7b3 | 676 | for (; i0 < i0end; i0 += inc0) |
51a1763f | 677 | h0.impl->vset (&h0, i0, scm_call_0 (proc)); |
0f2d19dd JB |
678 | else |
679 | { | |
680 | SCM ra1 = SCM_CAR (ras); | |
51a1763f DL |
681 | scm_t_array_handle h1; |
682 | size_t i1; | |
683 | ssize_t inc1; | |
48ffc52c | 684 | scm_array_get_handle (SCM_I_ARRAY_V (ra1), &h1); |
13af75bf DL |
685 | i1 = SCM_I_ARRAY_BASE (ra1); |
686 | inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
9a68d7b3 | 687 | ras = SCM_CDR (ras); |
51a1763f | 688 | if (scm_is_null (ras)) |
9a68d7b3 | 689 | for (; i0 < i0end; i0 += inc0, i1 += inc1) |
51a1763f | 690 | h0.impl->vset (&h0, i0, scm_call_1 (proc, h1.impl->vref (&h1, i1))); |
9a68d7b3 DL |
691 | else |
692 | { | |
693 | ras = scm_vector (ras); | |
694 | for (; i0 < i0end; i0 += inc0, i1 += inc1, ++i) | |
695 | { | |
696 | SCM args = SCM_EOL; | |
697 | unsigned long k; | |
698 | for (k = scm_c_vector_length (ras); k--;) | |
5e8c9d4a | 699 | args = scm_cons (AREF (scm_c_vector_ref (ras, k), i), args); |
51a1763f | 700 | h0.impl->vset (&h0, i0, scm_apply_1 (proc, h1.impl->vref (&h1, i1), args)); |
9a68d7b3 DL |
701 | } |
702 | } | |
51a1763f | 703 | scm_array_handle_release (&h1); |
0f2d19dd | 704 | } |
51a1763f | 705 | scm_array_handle_release (&h0); |
0f2d19dd JB |
706 | return 1; |
707 | } | |
708 | ||
1cc91f1b | 709 | |
1bbd0b84 | 710 | SCM_REGISTER_PROC(s_array_map_in_order_x, "array-map-in-order!", 2, 0, 1, scm_array_map_x); |
1cc91f1b | 711 | |
718866aa | 712 | SCM_SYMBOL (sym_b, "b"); |
1bbd0b84 | 713 | |
3b3b36dd | 714 | SCM_DEFINE (scm_array_map_x, "array-map!", 2, 0, 1, |
c209c88e | 715 | (SCM ra0, SCM proc, SCM lra), |
8f85c0c6 | 716 | "@deffnx {Scheme Procedure} array-map-in-order! ra0 proc . lra\n" |
b7e64f8b BT |
717 | "@var{array1}, @dots{} must have the same number of dimensions\n" |
718 | "as @var{ra0} and have a range for each index which includes the\n" | |
719 | "range for the corresponding index in @var{ra0}. @var{proc} is\n" | |
720 | "applied to each tuple of elements of @var{array1}, @dots{} and\n" | |
721 | "the result is stored as the corresponding element in @var{ra0}.\n" | |
722 | "The value returned is unspecified. The order of application is\n" | |
723 | "unspecified.") | |
1bbd0b84 | 724 | #define FUNC_NAME s_scm_array_map_x |
0f2d19dd | 725 | { |
34d19ef6 | 726 | SCM_VALIDATE_PROC (2, proc); |
af45e3b0 | 727 | SCM_VALIDATE_REST_ARGUMENT (lra); |
f530e94f | 728 | |
31d845b4 AW |
729 | scm_ramapc (ramap, proc, ra0, lra, FUNC_NAME); |
730 | return SCM_UNSPECIFIED; | |
0f2d19dd | 731 | } |
1bbd0b84 | 732 | #undef FUNC_NAME |
0f2d19dd | 733 | |
1cc91f1b | 734 | |
0f2d19dd | 735 | static int |
34d19ef6 | 736 | rafe (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 737 | { |
c3e3ef6e DL |
738 | ssize_t i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
739 | size_t n = SCM_I_ARRAY_DIMS (ra0)->ubnd - i + 1; | |
740 | ||
741 | scm_t_array_handle h0; | |
742 | size_t i0, i0end; | |
743 | ssize_t inc0; | |
48ffc52c | 744 | scm_array_get_handle (SCM_I_ARRAY_V (ra0), &h0); |
13af75bf DL |
745 | i0 = SCM_I_ARRAY_BASE (ra0); |
746 | inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
c3e3ef6e | 747 | i0end = i0 + n*inc0; |
d2e53ed6 | 748 | if (scm_is_null (ras)) |
c3e3ef6e DL |
749 | for (; i0 < i0end; i0 += inc0) |
750 | scm_call_1 (proc, h0.impl->vref (&h0, i0)); | |
0f2d19dd JB |
751 | else |
752 | { | |
c3e3ef6e DL |
753 | ras = scm_vector (ras); |
754 | for (; i0 < i0end; i0 += inc0, ++i) | |
755 | { | |
756 | SCM args = SCM_EOL; | |
757 | unsigned long k; | |
758 | for (k = scm_c_vector_length (ras); k--;) | |
5e8c9d4a | 759 | args = scm_cons (AREF (scm_c_vector_ref (ras, k), i), args); |
c3e3ef6e DL |
760 | scm_apply_1 (proc, h0.impl->vref (&h0, i0), args); |
761 | } | |
0f2d19dd | 762 | } |
c3e3ef6e | 763 | scm_array_handle_release (&h0); |
0f2d19dd JB |
764 | return 1; |
765 | } | |
766 | ||
3b3b36dd | 767 | SCM_DEFINE (scm_array_for_each, "array-for-each", 2, 0, 1, |
c209c88e | 768 | (SCM proc, SCM ra0, SCM lra), |
b7e64f8b | 769 | "Apply @var{proc} to each tuple of elements of @var{ra0} @dots{}\n" |
b380b885 | 770 | "in row-major order. The value returned is unspecified.") |
1bbd0b84 | 771 | #define FUNC_NAME s_scm_array_for_each |
0f2d19dd | 772 | { |
34d19ef6 | 773 | SCM_VALIDATE_PROC (1, proc); |
af45e3b0 | 774 | SCM_VALIDATE_REST_ARGUMENT (lra); |
c209c88e | 775 | scm_ramapc (rafe, proc, ra0, lra, FUNC_NAME); |
0f2d19dd JB |
776 | return SCM_UNSPECIFIED; |
777 | } | |
1bbd0b84 | 778 | #undef FUNC_NAME |
0f2d19dd | 779 | |
828ada13 | 780 | static void |
f0521cda AW |
781 | array_index_map_1 (SCM ra, SCM proc) |
782 | { | |
828ada13 AW |
783 | scm_t_array_handle h; |
784 | ssize_t i, inc; | |
785 | size_t p; | |
786 | SCM v; | |
787 | scm_array_get_handle (ra, &h); | |
788 | v = h.array; | |
789 | inc = h.dims[0].inc; | |
790 | for (i = h.dims[0].lbnd, p = h.base; i <= h.dims[0].ubnd; ++i, p += inc) | |
791 | h.impl->vset (&h, p, scm_call_1 (proc, scm_from_ulong (i))); | |
792 | scm_array_handle_release (&h); | |
f0521cda AW |
793 | } |
794 | ||
795 | /* Here we assume that the array is a scm_tc7_array, as that is the only | |
796 | kind of array in Guile that supports rank > 1. */ | |
828ada13 | 797 | static void |
f0521cda AW |
798 | array_index_map_n (SCM ra, SCM proc) |
799 | { | |
828ada13 | 800 | size_t i; |
f0521cda AW |
801 | SCM args = SCM_EOL; |
802 | int j, k, kmax = SCM_I_ARRAY_NDIM (ra) - 1; | |
f0521cda AW |
803 | long *vinds; |
804 | ||
805 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra), | |
806 | indices_gc_hint); | |
807 | ||
808 | for (k = 0; k <= kmax; k++) | |
809 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; | |
810 | k = kmax; | |
811 | do | |
812 | { | |
813 | if (k == kmax) | |
814 | { | |
815 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; | |
816 | i = cind (ra, vinds); | |
817 | for (; vinds[k] <= SCM_I_ARRAY_DIMS (ra)[k].ubnd; vinds[k]++) | |
818 | { | |
819 | for (j = kmax + 1, args = SCM_EOL; j--;) | |
820 | args = scm_cons (scm_from_long (vinds[j]), args); | |
821 | ASET (SCM_I_ARRAY_V (ra), i, scm_apply_0 (proc, args)); | |
822 | i += SCM_I_ARRAY_DIMS (ra)[k].inc; | |
823 | } | |
824 | k--; | |
825 | continue; | |
826 | } | |
827 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra)[k].ubnd) | |
828 | { | |
829 | vinds[k]++; | |
830 | k++; | |
831 | continue; | |
832 | } | |
833 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd - 1; | |
834 | k--; | |
835 | } | |
836 | while (k >= 0); | |
f0521cda AW |
837 | } |
838 | ||
3b3b36dd | 839 | SCM_DEFINE (scm_array_index_map_x, "array-index-map!", 2, 0, 0, |
c209c88e | 840 | (SCM ra, SCM proc), |
b7e64f8b | 841 | "Apply @var{proc} to the indices of each element of @var{ra} in\n" |
b380b885 MD |
842 | "turn, storing the result in the corresponding element. The value\n" |
843 | "returned and the order of application are unspecified.\n\n" | |
844 | "One can implement @var{array-indexes} as\n" | |
1e6808ea | 845 | "@lisp\n" |
b380b885 MD |
846 | "(define (array-indexes array)\n" |
847 | " (let ((ra (apply make-array #f (array-shape array))))\n" | |
848 | " (array-index-map! ra (lambda x x))\n" | |
849 | " ra))\n" | |
1e6808ea | 850 | "@end lisp\n" |
b380b885 | 851 | "Another example:\n" |
1e6808ea | 852 | "@lisp\n" |
b380b885 MD |
853 | "(define (apl:index-generator n)\n" |
854 | " (let ((v (make-uniform-vector n 1)))\n" | |
855 | " (array-index-map! v (lambda (i) i))\n" | |
856 | " v))\n" | |
1e6808ea | 857 | "@end lisp") |
1bbd0b84 | 858 | #define FUNC_NAME s_scm_array_index_map_x |
0f2d19dd | 859 | { |
34d19ef6 | 860 | SCM_VALIDATE_PROC (2, proc); |
399aba0a | 861 | |
f0521cda | 862 | switch (scm_c_array_rank (ra)) |
16259ae3 | 863 | { |
f0521cda AW |
864 | case 0: |
865 | scm_array_set_x (ra, scm_call_0 (proc), SCM_EOL); | |
866 | break; | |
867 | case 1: | |
868 | array_index_map_1 (ra, proc); | |
869 | break; | |
870 | default: | |
871 | array_index_map_n (ra, proc); | |
872 | break; | |
16259ae3 | 873 | } |
b4b33636 | 874 | |
f0521cda | 875 | return SCM_UNSPECIFIED; |
0f2d19dd | 876 | } |
1bbd0b84 | 877 | #undef FUNC_NAME |
0f2d19dd | 878 | |
1cc91f1b | 879 | |
0f2d19dd | 880 | static int |
a587d6a9 AW |
881 | array_compare (scm_t_array_handle *hx, scm_t_array_handle *hy, |
882 | size_t dim, unsigned long posx, unsigned long posy) | |
0f2d19dd | 883 | { |
a587d6a9 AW |
884 | if (dim == scm_array_handle_rank (hx)) |
885 | return scm_is_true (scm_equal_p (scm_array_handle_ref (hx, posx), | |
886 | scm_array_handle_ref (hy, posy))); | |
e466c6a2 | 887 | else |
c209c88e | 888 | { |
a587d6a9 AW |
889 | long incx, incy; |
890 | size_t i; | |
399aba0a | 891 | |
a587d6a9 AW |
892 | if (hx->dims[dim].lbnd != hy->dims[dim].lbnd |
893 | || hx->dims[dim].ubnd != hy->dims[dim].ubnd) | |
894 | return 0; | |
895 | ||
896 | i = hx->dims[dim].ubnd - hx->dims[dim].lbnd + 1; | |
897 | ||
898 | incx = hx->dims[dim].inc; | |
899 | incy = hy->dims[dim].inc; | |
900 | posx += (i - 1) * incx; | |
901 | posy += (i - 1) * incy; | |
902 | ||
903 | for (; i > 0; i--, posx -= incx, posy -= incy) | |
904 | if (!array_compare (hx, hy, dim + 1, posx, posy)) | |
905 | return 0; | |
c209c88e | 906 | return 1; |
c209c88e | 907 | } |
0f2d19dd JB |
908 | } |
909 | ||
a587d6a9 AW |
910 | SCM |
911 | scm_array_equal_p (SCM x, SCM y) | |
0f2d19dd | 912 | { |
a587d6a9 AW |
913 | scm_t_array_handle hx, hy; |
914 | SCM res; | |
915 | ||
916 | scm_array_get_handle (x, &hx); | |
917 | scm_array_get_handle (y, &hy); | |
918 | ||
919 | res = scm_from_bool (hx.ndims == hy.ndims | |
920 | && hx.element_type == hy.element_type); | |
3ffd1ba9 | 921 | |
a587d6a9 AW |
922 | if (scm_is_true (res)) |
923 | res = scm_from_bool (array_compare (&hx, &hy, 0, 0, 0)); | |
0f2d19dd | 924 | |
a587d6a9 AW |
925 | scm_array_handle_release (&hy); |
926 | scm_array_handle_release (&hx); | |
1cc91f1b | 927 | |
a587d6a9 | 928 | return res; |
0f2d19dd JB |
929 | } |
930 | ||
f1d19308 | 931 | static SCM scm_i_array_equal_p (SCM, SCM, SCM); |
31d845b4 AW |
932 | SCM_DEFINE (scm_i_array_equal_p, "array-equal?", 0, 2, 1, |
933 | (SCM ra0, SCM ra1, SCM rest), | |
1e6808ea MG |
934 | "Return @code{#t} iff all arguments are arrays with the same\n" |
935 | "shape, the same type, and have corresponding elements which are\n" | |
936 | "either @code{equal?} or @code{array-equal?}. This function\n" | |
a587d6a9 | 937 | "differs from @code{equal?} in that all arguments must be arrays.") |
31d845b4 AW |
938 | #define FUNC_NAME s_scm_i_array_equal_p |
939 | { | |
940 | if (SCM_UNBNDP (ra0) || SCM_UNBNDP (ra1)) | |
941 | return SCM_BOOL_T; | |
942 | ||
943 | while (!scm_is_null (rest)) | |
8a1f4f98 | 944 | { if (scm_is_false (scm_array_equal_p (ra0, ra1))) |
31d845b4 | 945 | return SCM_BOOL_F; |
8a1f4f98 AW |
946 | ra0 = ra1; |
947 | ra1 = scm_car (rest); | |
31d845b4 AW |
948 | rest = scm_cdr (rest); |
949 | } | |
950 | return scm_array_equal_p (ra0, ra1); | |
0f981281 | 951 | } |
4079f87e | 952 | #undef FUNC_NAME |
0f2d19dd | 953 | |
1cc91f1b | 954 | |
0f2d19dd | 955 | void |
5d1b3b2d | 956 | scm_init_array_map (void) |
0f2d19dd | 957 | { |
5d1b3b2d | 958 | #include "libguile/array-map.x" |
1bbd0b84 | 959 | scm_add_feature (s_scm_array_for_each); |
0f2d19dd | 960 | } |
89e00824 ML |
961 | |
962 | /* | |
963 | Local Variables: | |
964 | c-file-style: "gnu" | |
965 | End: | |
966 | */ |