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