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: | |
8269f0be DL |
77 | return values: |
78 | 5 --> empty axes; | |
79 | 4 --> shapes, increments, and bases are the same; | |
0f2d19dd JB |
80 | 3 --> shapes and increments are the same; |
81 | 2 --> shapes are the same; | |
82 | 1 --> ras are at least as big as ra0; | |
83 | 0 --> no match. | |
84 | */ | |
1cc91f1b | 85 | |
8269f0be | 86 | int |
6e8d25a6 | 87 | scm_ra_matchp (SCM ra0, SCM ras) |
0f2d19dd | 88 | { |
8269f0be DL |
89 | int i, exact = 4, empty = 0; |
90 | scm_t_array_handle h0; | |
399aba0a | 91 | |
8269f0be DL |
92 | scm_array_get_handle (ra0, &h0); |
93 | for (i = 0; i < h0.ndims; ++i) | |
f0521cda | 94 | { |
8269f0be | 95 | empty = empty || (h0.dims[i].lbnd > h0.dims[i].ubnd); |
f0521cda | 96 | } |
399aba0a | 97 | |
62fdadb0 | 98 | while (scm_is_pair (ras)) |
c209c88e | 99 | { |
8269f0be | 100 | scm_t_array_handle h1; |
16259ae3 | 101 | |
8269f0be | 102 | scm_array_get_handle (SCM_CAR (ras), &h1); |
16259ae3 | 103 | |
8269f0be DL |
104 | if (h0.ndims != h1.ndims) |
105 | { | |
106 | scm_array_handle_release (&h0); | |
107 | scm_array_handle_release (&h1); | |
108 | return 0; | |
109 | } | |
110 | if (h0.base != h1.base) | |
111 | exact = min(3, exact); | |
399aba0a | 112 | |
8269f0be DL |
113 | for (i = 0; i < h0.ndims; ++i) |
114 | { | |
115 | empty = empty || (h1.dims[i].lbnd > h1.dims[i].ubnd); | |
116 | switch (exact) | |
117 | { | |
118 | case 4: | |
119 | case 3: | |
120 | if (h0.dims[i].inc != h1.dims[i].inc) | |
121 | exact = 2; | |
122 | case 2: | |
123 | if (h0.dims[i].lbnd == h1.dims[i].lbnd && h0.dims[i].ubnd == h1.dims[i].ubnd) | |
124 | break; | |
125 | exact = 1; | |
126 | default: | |
127 | if (h0.dims[i].lbnd < h1.dims[i].lbnd || h0.dims[i].ubnd > h1.dims[i].ubnd) | |
128 | { | |
129 | scm_array_handle_release (&h0); | |
130 | scm_array_handle_release (&h1); | |
131 | return 0; | |
132 | } | |
133 | } | |
134 | } | |
135 | scm_array_handle_release (&h1); | |
c209c88e GB |
136 | ras = SCM_CDR (ras); |
137 | } | |
8269f0be DL |
138 | scm_array_handle_release (&h0); |
139 | return empty ? 5 : exact; | |
0f2d19dd JB |
140 | } |
141 | ||
8269f0be | 142 | /* array mapper: apply cproc to each dimension of the given arrays?. |
1bbd0b84 | 143 | int (*cproc) (); procedure to call on unrolled arrays? |
5c11cc9d | 144 | cproc (dest, source list) or |
8269f0be DL |
145 | cproc (dest, data, source list). |
146 | SCM data; data to give to cproc or unbound. | |
1bbd0b84 GB |
147 | SCM ra0; destination array. |
148 | SCM lra; list of source arrays. | |
149 | const char *what; caller, for error reporting. */ | |
8269f0be | 150 | int |
10b9343f | 151 | scm_ramapc (void *cproc_ptr, SCM data, SCM ra0, SCM lra, const char *what) |
0f2d19dd | 152 | { |
b4b33636 | 153 | SCM z; |
0f2d19dd JB |
154 | SCM vra0, ra1, vra1; |
155 | SCM lvra, *plvra; | |
c014a02e | 156 | long *vinds; |
0f2d19dd | 157 | int k, kmax; |
13af75bf | 158 | int (*cproc) () = cproc_ptr; |
10b9343f | 159 | |
0f2d19dd JB |
160 | switch (scm_ra_matchp (ra0, lra)) |
161 | { | |
162 | default: | |
163 | case 0: | |
9cf5d9b7 | 164 | scm_misc_error (what, "array shape mismatch: ~S", scm_list_1 (ra0)); |
0f2d19dd JB |
165 | case 2: |
166 | case 3: | |
167 | case 4: /* Try unrolling arrays */ | |
04b87de5 | 168 | kmax = (SCM_I_ARRAYP (ra0) ? SCM_I_ARRAY_NDIM (ra0) - 1 : 0); |
0f2d19dd JB |
169 | if (kmax < 0) |
170 | goto gencase; | |
171 | vra0 = scm_array_contents (ra0, SCM_UNDEFINED); | |
19239bbf DL |
172 | if (scm_is_false (vra0)) |
173 | goto gencase; | |
04b87de5 | 174 | if (!SCM_I_ARRAYP (vra0)) |
0f2d19dd | 175 | { |
16259ae3 | 176 | size_t length = scm_c_array_length (vra0); |
66b9d7d3 | 177 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
178 | SCM_I_ARRAY_BASE (vra1) = 0; |
179 | SCM_I_ARRAY_DIMS (vra1)->lbnd = 0; | |
180 | SCM_I_ARRAY_DIMS (vra1)->ubnd = length - 1; | |
181 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
182 | SCM_I_ARRAY_V (vra1) = vra0; | |
0f2d19dd JB |
183 | vra0 = vra1; |
184 | } | |
185 | lvra = SCM_EOL; | |
186 | plvra = &lvra; | |
62fdadb0 | 187 | for (z = lra; scm_is_pair (z); z = SCM_CDR (z)) |
0f2d19dd JB |
188 | { |
189 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 190 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
191 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
192 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
193 | if (!SCM_I_ARRAYP (ra1)) | |
0f2d19dd | 194 | { |
04b87de5 MV |
195 | SCM_I_ARRAY_BASE (vra1) = 0; |
196 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
197 | SCM_I_ARRAY_V (vra1) = ra1; | |
0f2d19dd | 198 | } |
04b87de5 | 199 | else if (!SCM_I_ARRAY_CONTP (ra1)) |
0f2d19dd JB |
200 | goto gencase; |
201 | else | |
202 | { | |
04b87de5 MV |
203 | SCM_I_ARRAY_BASE (vra1) = SCM_I_ARRAY_BASE (ra1); |
204 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; | |
205 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
206 | } |
207 | *plvra = scm_cons (vra1, SCM_EOL); | |
25d8012c | 208 | plvra = SCM_CDRLOC (*plvra); |
0f2d19dd JB |
209 | } |
210 | return (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra)); | |
211 | case 1: | |
212 | gencase: /* Have to loop over all dimensions. */ | |
66b9d7d3 | 213 | vra0 = scm_i_make_array (1); |
04b87de5 | 214 | if (SCM_I_ARRAYP (ra0)) |
c209c88e | 215 | { |
04b87de5 | 216 | kmax = SCM_I_ARRAY_NDIM (ra0) - 1; |
c209c88e | 217 | if (kmax < 0) |
0f2d19dd | 218 | { |
04b87de5 MV |
219 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
220 | SCM_I_ARRAY_DIMS (vra0)->ubnd = 0; | |
221 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
0f2d19dd | 222 | } |
c209c88e GB |
223 | else |
224 | { | |
04b87de5 MV |
225 | SCM_I_ARRAY_DIMS (vra0)->lbnd = SCM_I_ARRAY_DIMS (ra0)[kmax].lbnd; |
226 | SCM_I_ARRAY_DIMS (vra0)->ubnd = SCM_I_ARRAY_DIMS (ra0)[kmax].ubnd; | |
227 | SCM_I_ARRAY_DIMS (vra0)->inc = SCM_I_ARRAY_DIMS (ra0)[kmax].inc; | |
c209c88e | 228 | } |
04b87de5 MV |
229 | SCM_I_ARRAY_BASE (vra0) = SCM_I_ARRAY_BASE (ra0); |
230 | SCM_I_ARRAY_V (vra0) = SCM_I_ARRAY_V (ra0); | |
c209c88e GB |
231 | } |
232 | else | |
233 | { | |
16259ae3 | 234 | size_t length = scm_c_array_length (ra0); |
c209c88e | 235 | kmax = 0; |
04b87de5 MV |
236 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
237 | SCM_I_ARRAY_DIMS (vra0)->ubnd = length - 1; | |
238 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
239 | SCM_I_ARRAY_BASE (vra0) = 0; | |
240 | SCM_I_ARRAY_V (vra0) = ra0; | |
c209c88e GB |
241 | ra0 = vra0; |
242 | } | |
243 | lvra = SCM_EOL; | |
244 | plvra = &lvra; | |
62fdadb0 | 245 | for (z = lra; scm_is_pair (z); z = SCM_CDR (z)) |
c209c88e GB |
246 | { |
247 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 248 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
249 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
250 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
251 | if (SCM_I_ARRAYP (ra1)) | |
c209c88e GB |
252 | { |
253 | if (kmax >= 0) | |
04b87de5 MV |
254 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; |
255 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
256 | } |
257 | else | |
258 | { | |
04b87de5 MV |
259 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; |
260 | SCM_I_ARRAY_V (vra1) = ra1; | |
c209c88e GB |
261 | } |
262 | *plvra = scm_cons (vra1, SCM_EOL); | |
263 | plvra = SCM_CDRLOC (*plvra); | |
264 | } | |
b4b33636 | 265 | |
d66b74dc LC |
266 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra0), |
267 | indices_gc_hint); | |
b4b33636 | 268 | |
c209c88e | 269 | for (k = 0; k <= kmax; k++) |
04b87de5 | 270 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd; |
c209c88e GB |
271 | k = kmax; |
272 | do | |
273 | { | |
274 | if (k == kmax) | |
275 | { | |
276 | SCM y = lra; | |
04b87de5 | 277 | SCM_I_ARRAY_BASE (vra0) = cind (ra0, vinds); |
62fdadb0 | 278 | for (z = lvra; scm_is_pair (z); z = SCM_CDR (z), y = SCM_CDR (y)) |
04b87de5 | 279 | SCM_I_ARRAY_BASE (SCM_CAR (z)) = cind (SCM_CAR (y), vinds); |
c209c88e GB |
280 | if (0 == (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra))) |
281 | return 0; | |
282 | k--; | |
283 | continue; | |
284 | } | |
04b87de5 | 285 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra0)[k].ubnd) |
c209c88e GB |
286 | { |
287 | vinds[k]++; | |
288 | k++; | |
289 | continue; | |
290 | } | |
04b87de5 | 291 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd - 1; |
c209c88e GB |
292 | k--; |
293 | } | |
294 | while (k >= 0); | |
b4b33636 | 295 | |
8269f0be | 296 | case 5: |
c209c88e | 297 | return 1; |
0f2d19dd JB |
298 | } |
299 | } | |
300 | ||
ab1ca179 DL |
301 | static int |
302 | rafill (SCM dst, SCM fill) | |
303 | { | |
304 | long n = (SCM_I_ARRAY_DIMS (dst)->ubnd - SCM_I_ARRAY_DIMS (dst)->lbnd + 1); | |
305 | scm_t_array_handle h; | |
306 | size_t i; | |
307 | ssize_t inc; | |
48ffc52c | 308 | scm_array_get_handle (SCM_I_ARRAY_V (dst), &h); |
13af75bf DL |
309 | i = SCM_I_ARRAY_BASE (dst); |
310 | inc = SCM_I_ARRAY_DIMS (dst)->inc; | |
ab1ca179 DL |
311 | |
312 | for (; n-- > 0; i += inc) | |
cf64dca6 | 313 | h.vset (h.vector, i, fill); |
ab1ca179 DL |
314 | |
315 | scm_array_handle_release (&h); | |
316 | return 1; | |
317 | } | |
0f2d19dd | 318 | |
3b3b36dd | 319 | SCM_DEFINE (scm_array_fill_x, "array-fill!", 2, 0, 0, |
c209c88e | 320 | (SCM ra, SCM fill), |
b7e64f8b BT |
321 | "Store @var{fill} in every element of array @var{ra}. The value\n" |
322 | "returned is unspecified.") | |
1bbd0b84 | 323 | #define FUNC_NAME s_scm_array_fill_x |
ad310508 | 324 | { |
ab1ca179 | 325 | scm_ramapc (rafill, fill, ra, SCM_EOL, FUNC_NAME); |
ad310508 MD |
326 | return SCM_UNSPECIFIED; |
327 | } | |
1bbd0b84 | 328 | #undef FUNC_NAME |
ad310508 | 329 | |
0f2d19dd | 330 | |
72e2b592 | 331 | static int |
1bbd0b84 | 332 | racp (SCM src, SCM dst) |
0f2d19dd | 333 | { |
04b87de5 | 334 | long n = (SCM_I_ARRAY_DIMS (src)->ubnd - SCM_I_ARRAY_DIMS (src)->lbnd + 1); |
72e2b592 DL |
335 | scm_t_array_handle h_s, h_d; |
336 | size_t i_s, i_d; | |
337 | ssize_t inc_s, inc_d; | |
338 | ||
0f2d19dd | 339 | dst = SCM_CAR (dst); |
48ffc52c DL |
340 | scm_array_get_handle (SCM_I_ARRAY_V (src), &h_s); |
341 | scm_array_get_handle (SCM_I_ARRAY_V (dst), &h_d); | |
72e2b592 | 342 | |
13af75bf DL |
343 | i_s = SCM_I_ARRAY_BASE (src); |
344 | i_d = SCM_I_ARRAY_BASE (dst); | |
345 | inc_s = SCM_I_ARRAY_DIMS (src)->inc; | |
346 | inc_d = SCM_I_ARRAY_DIMS (dst)->inc; | |
c209c88e | 347 | |
399aba0a | 348 | for (; n-- > 0; i_s += inc_s, i_d += inc_d) |
cf64dca6 | 349 | h_d.vset (h_d.vector, i_d, h_s.vref (h_s.vector, i_s)); |
72e2b592 DL |
350 | |
351 | scm_array_handle_release (&h_d); | |
352 | scm_array_handle_release (&h_s); | |
353 | ||
0f2d19dd JB |
354 | return 1; |
355 | } | |
356 | ||
1bbd0b84 | 357 | SCM_REGISTER_PROC(s_array_copy_in_order_x, "array-copy-in-order!", 2, 0, 0, scm_array_copy_x); |
1cc91f1b | 358 | |
1bbd0b84 | 359 | |
3b3b36dd | 360 | SCM_DEFINE (scm_array_copy_x, "array-copy!", 2, 0, 0, |
c209c88e | 361 | (SCM src, SCM dst), |
8f85c0c6 | 362 | "@deffnx {Scheme Procedure} array-copy-in-order! src dst\n" |
b7e64f8b BT |
363 | "Copy every element from vector or array @var{src} to the\n" |
364 | "corresponding element of @var{dst}. @var{dst} must have the\n" | |
365 | "same rank as @var{src}, and be at least as large in each\n" | |
b380b885 | 366 | "dimension. The order is unspecified.") |
1bbd0b84 | 367 | #define FUNC_NAME s_scm_array_copy_x |
0f2d19dd | 368 | { |
c209c88e | 369 | scm_ramapc (racp, SCM_UNDEFINED, src, scm_cons (dst, SCM_EOL), FUNC_NAME); |
0f2d19dd JB |
370 | return SCM_UNSPECIFIED; |
371 | } | |
1bbd0b84 | 372 | #undef FUNC_NAME |
0f2d19dd | 373 | |
0f2d19dd | 374 | |
75a1b26c | 375 | #if SCM_ENABLE_DEPRECATED == 1 |
1cc91f1b | 376 | |
d09b201d DL |
377 | /* to be used as cproc in scm_ramapc to fill an array dimension with |
378 | "fill". */ | |
379 | int | |
380 | scm_array_fill_int (SCM ra, SCM fill, SCM ignore SCM_UNUSED) | |
381 | { | |
382 | unsigned long i; | |
383 | unsigned long n = SCM_I_ARRAY_DIMS (ra)->ubnd - SCM_I_ARRAY_DIMS (ra)->lbnd + 1; | |
384 | long inc = SCM_I_ARRAY_DIMS (ra)->inc; | |
385 | unsigned long base = SCM_I_ARRAY_BASE (ra); | |
386 | ||
387 | ra = SCM_I_ARRAY_V (ra); | |
388 | ||
389 | for (i = base; n--; i += inc) | |
5e8c9d4a | 390 | ASET (ra, i, fill); |
d09b201d DL |
391 | |
392 | return 1; | |
393 | } | |
394 | ||
395 | /* Functions callable by ARRAY-MAP! */ | |
1cc91f1b | 396 | |
0f2d19dd | 397 | int |
1bbd0b84 | 398 | scm_ra_eqp (SCM ra0, SCM ras) |
0f2d19dd JB |
399 | { |
400 | SCM ra1 = SCM_CAR (ras), ra2 = SCM_CAR (SCM_CDR (ras)); | |
fab07c30 MV |
401 | scm_t_array_handle ra0_handle; |
402 | scm_t_array_dim *ra0_dims; | |
403 | size_t n; | |
404 | ssize_t inc0; | |
405 | size_t i0 = 0; | |
406 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
407 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
408 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
409 | ra1 = SCM_I_ARRAY_V (ra1); |
410 | ra2 = SCM_I_ARRAY_V (ra2); | |
fab07c30 MV |
411 | |
412 | scm_array_get_handle (ra0, &ra0_handle); | |
413 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
414 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
415 | inc0 = ra0_dims[0].inc; | |
416 | ||
399aba0a | 417 | { |
399aba0a | 418 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 419 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
5e8c9d4a | 420 | if (!scm_is_eq (AREF (ra1, i1), AREF (ra2, i2))) |
fab07c30 | 421 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
422 | } |
423 | ||
fab07c30 | 424 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
425 | return 1; |
426 | } | |
427 | ||
428 | /* opt 0 means <, nonzero means >= */ | |
1cc91f1b | 429 | |
0f2d19dd | 430 | static int |
34d19ef6 | 431 | ra_compare (SCM ra0, SCM ra1, SCM ra2, int opt) |
0f2d19dd | 432 | { |
fab07c30 MV |
433 | scm_t_array_handle ra0_handle; |
434 | scm_t_array_dim *ra0_dims; | |
435 | size_t n; | |
436 | ssize_t inc0; | |
437 | size_t i0 = 0; | |
438 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
439 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
440 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
441 | ra1 = SCM_I_ARRAY_V (ra1); |
442 | ra2 = SCM_I_ARRAY_V (ra2); | |
399aba0a | 443 | |
fab07c30 MV |
444 | scm_array_get_handle (ra0, &ra0_handle); |
445 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
446 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
447 | inc0 = ra0_dims[0].inc; | |
448 | ||
399aba0a | 449 | { |
399aba0a | 450 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 451 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
399aba0a | 452 | if (opt ? |
5e8c9d4a DL |
453 | scm_is_true (scm_less_p (AREF (ra1, i1), AREF (ra2, i2))) : |
454 | scm_is_false (scm_less_p (AREF (ra1, i1), AREF (ra2, i2)))) | |
fab07c30 | 455 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
456 | } |
457 | ||
fab07c30 | 458 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
459 | return 1; |
460 | } | |
461 | ||
462 | ||
1cc91f1b | 463 | |
0f2d19dd | 464 | int |
1bbd0b84 | 465 | scm_ra_lessp (SCM ra0, SCM ras) |
0f2d19dd JB |
466 | { |
467 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 0); | |
468 | } | |
469 | ||
1cc91f1b | 470 | |
0f2d19dd | 471 | int |
1bbd0b84 | 472 | scm_ra_leqp (SCM ra0, SCM ras) |
0f2d19dd JB |
473 | { |
474 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 1); | |
475 | } | |
476 | ||
1cc91f1b | 477 | |
0f2d19dd | 478 | int |
1bbd0b84 | 479 | scm_ra_grp (SCM ra0, SCM ras) |
0f2d19dd JB |
480 | { |
481 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 0); | |
482 | } | |
483 | ||
1cc91f1b | 484 | |
0f2d19dd | 485 | int |
1bbd0b84 | 486 | scm_ra_greqp (SCM ra0, SCM ras) |
0f2d19dd JB |
487 | { |
488 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 1); | |
489 | } | |
490 | ||
491 | ||
0f2d19dd | 492 | int |
1bbd0b84 | 493 | scm_ra_sum (SCM ra0, SCM ras) |
0f2d19dd | 494 | { |
04b87de5 MV |
495 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
496 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
497 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
498 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 499 | if (!scm_is_null(ras)) |
c209c88e GB |
500 | { |
501 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
502 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
503 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
504 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
505 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
506 | { | |
507 | default: | |
0f2d19dd | 508 | { |
c209c88e | 509 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
5e8c9d4a | 510 | ASET (ra0, i0, scm_sum (AREF(ra0, i0), AREF(ra1, i1))); |
c209c88e GB |
511 | break; |
512 | } | |
c209c88e GB |
513 | } |
514 | } | |
0f2d19dd JB |
515 | return 1; |
516 | } | |
517 | ||
518 | ||
1cc91f1b | 519 | |
0f2d19dd | 520 | int |
1bbd0b84 | 521 | scm_ra_difference (SCM ra0, SCM ras) |
0f2d19dd | 522 | { |
04b87de5 MV |
523 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
524 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
525 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
526 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 527 | if (scm_is_null (ras)) |
c209c88e GB |
528 | { |
529 | switch (SCM_TYP7 (ra0)) | |
530 | { | |
531 | default: | |
532 | { | |
c209c88e | 533 | for (; n-- > 0; i0 += inc0) |
5e8c9d4a | 534 | ASET (ra0, i0, scm_difference (AREF(ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
535 | break; |
536 | } | |
c209c88e GB |
537 | } |
538 | } | |
0f2d19dd JB |
539 | else |
540 | { | |
541 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
542 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
543 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
544 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
545 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
546 | { | |
547 | default: | |
548 | { | |
0f2d19dd | 549 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
5e8c9d4a | 550 | ASET (ra0, i0, scm_difference (AREF (ra0, i0), AREF (ra1, i1))); |
0f2d19dd JB |
551 | break; |
552 | } | |
0f2d19dd JB |
553 | } |
554 | } | |
555 | return 1; | |
556 | } | |
557 | ||
558 | ||
1cc91f1b | 559 | |
0f2d19dd | 560 | int |
1bbd0b84 | 561 | scm_ra_product (SCM ra0, SCM ras) |
0f2d19dd | 562 | { |
04b87de5 MV |
563 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
564 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
565 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
566 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 567 | if (!scm_is_null (ras)) |
c209c88e GB |
568 | { |
569 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
570 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
571 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
572 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
573 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
574 | { | |
575 | default: | |
0f2d19dd | 576 | { |
c209c88e | 577 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
5e8c9d4a | 578 | ASET (ra0, i0, scm_product (AREF (ra0, i0), AREF (ra1, i1))); |
c209c88e | 579 | } |
c209c88e GB |
580 | } |
581 | } | |
0f2d19dd JB |
582 | return 1; |
583 | } | |
584 | ||
1cc91f1b | 585 | |
0f2d19dd | 586 | int |
1bbd0b84 | 587 | scm_ra_divide (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 | switch (SCM_TYP7 (ra0)) | |
596 | { | |
597 | default: | |
598 | { | |
c209c88e | 599 | for (; n-- > 0; i0 += inc0) |
5e8c9d4a | 600 | ASET (ra0, i0, scm_divide (AREF (ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
601 | break; |
602 | } | |
c209c88e GB |
603 | } |
604 | } | |
0f2d19dd JB |
605 | else |
606 | { | |
607 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
608 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
609 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
610 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
611 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
612 | { | |
613 | default: | |
614 | { | |
0f2d19dd | 615 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
afaf9d0b | 616 | { |
5e8c9d4a DL |
617 | SCM res = scm_divide (AREF (ra0, i0), AREF (ra1, i1)); |
618 | ASET (ra0, i0, res); | |
afaf9d0b | 619 | } |
0f2d19dd JB |
620 | break; |
621 | } | |
0f2d19dd JB |
622 | } |
623 | } | |
624 | return 1; | |
625 | } | |
626 | ||
1cc91f1b | 627 | |
0f2d19dd | 628 | int |
1bbd0b84 | 629 | scm_array_identity (SCM dst, SCM src) |
0f2d19dd JB |
630 | { |
631 | return racp (SCM_CAR (src), scm_cons (dst, SCM_EOL)); | |
632 | } | |
633 | ||
75a1b26c | 634 | #endif /* SCM_ENABLE_DEPRECATED */ |
0f2d19dd | 635 | |
75a1b26c | 636 | static int |
34d19ef6 | 637 | ramap (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 638 | { |
9a68d7b3 | 639 | ssize_t i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
51a1763f | 640 | size_t n = SCM_I_ARRAY_DIMS (ra0)->ubnd - i + 1; |
9a68d7b3 | 641 | |
51a1763f DL |
642 | scm_t_array_handle h0; |
643 | size_t i0, i0end; | |
644 | ssize_t inc0; | |
48ffc52c | 645 | scm_array_get_handle (SCM_I_ARRAY_V (ra0), &h0); |
13af75bf DL |
646 | i0 = SCM_I_ARRAY_BASE (ra0); |
647 | inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
51a1763f | 648 | i0end = i0 + n*inc0; |
d2e53ed6 | 649 | if (scm_is_null (ras)) |
9a68d7b3 | 650 | for (; i0 < i0end; i0 += inc0) |
cf64dca6 | 651 | h0.vset (h0.vector, i0, scm_call_0 (proc)); |
0f2d19dd JB |
652 | else |
653 | { | |
654 | SCM ra1 = SCM_CAR (ras); | |
51a1763f DL |
655 | scm_t_array_handle h1; |
656 | size_t i1; | |
657 | ssize_t inc1; | |
48ffc52c | 658 | scm_array_get_handle (SCM_I_ARRAY_V (ra1), &h1); |
13af75bf DL |
659 | i1 = SCM_I_ARRAY_BASE (ra1); |
660 | inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
9a68d7b3 | 661 | ras = SCM_CDR (ras); |
51a1763f | 662 | if (scm_is_null (ras)) |
9a68d7b3 | 663 | for (; i0 < i0end; i0 += inc0, i1 += inc1) |
cf64dca6 | 664 | h0.vset (h0.vector, i0, scm_call_1 (proc, h1.vref (h1.vector, i1))); |
9a68d7b3 DL |
665 | else |
666 | { | |
667 | ras = scm_vector (ras); | |
668 | for (; i0 < i0end; i0 += inc0, i1 += inc1, ++i) | |
669 | { | |
670 | SCM args = SCM_EOL; | |
671 | unsigned long k; | |
672 | for (k = scm_c_vector_length (ras); k--;) | |
5e8c9d4a | 673 | args = scm_cons (AREF (scm_c_vector_ref (ras, k), i), args); |
cf64dca6 AW |
674 | h0.vset (h0.vector, i0, |
675 | scm_apply_1 (proc, h1.vref (h1.vector, i1), args)); | |
9a68d7b3 DL |
676 | } |
677 | } | |
51a1763f | 678 | scm_array_handle_release (&h1); |
0f2d19dd | 679 | } |
51a1763f | 680 | scm_array_handle_release (&h0); |
0f2d19dd JB |
681 | return 1; |
682 | } | |
683 | ||
1cc91f1b | 684 | |
1bbd0b84 | 685 | SCM_REGISTER_PROC(s_array_map_in_order_x, "array-map-in-order!", 2, 0, 1, scm_array_map_x); |
1cc91f1b | 686 | |
718866aa | 687 | SCM_SYMBOL (sym_b, "b"); |
1bbd0b84 | 688 | |
3b3b36dd | 689 | SCM_DEFINE (scm_array_map_x, "array-map!", 2, 0, 1, |
c209c88e | 690 | (SCM ra0, SCM proc, SCM lra), |
8f85c0c6 | 691 | "@deffnx {Scheme Procedure} array-map-in-order! ra0 proc . lra\n" |
b7e64f8b BT |
692 | "@var{array1}, @dots{} must have the same number of dimensions\n" |
693 | "as @var{ra0} and have a range for each index which includes the\n" | |
694 | "range for the corresponding index in @var{ra0}. @var{proc} is\n" | |
695 | "applied to each tuple of elements of @var{array1}, @dots{} and\n" | |
696 | "the result is stored as the corresponding element in @var{ra0}.\n" | |
697 | "The value returned is unspecified. The order of application is\n" | |
698 | "unspecified.") | |
1bbd0b84 | 699 | #define FUNC_NAME s_scm_array_map_x |
0f2d19dd | 700 | { |
34d19ef6 | 701 | SCM_VALIDATE_PROC (2, proc); |
af45e3b0 | 702 | SCM_VALIDATE_REST_ARGUMENT (lra); |
f530e94f | 703 | |
31d845b4 AW |
704 | scm_ramapc (ramap, proc, ra0, lra, FUNC_NAME); |
705 | return SCM_UNSPECIFIED; | |
0f2d19dd | 706 | } |
1bbd0b84 | 707 | #undef FUNC_NAME |
0f2d19dd | 708 | |
1cc91f1b | 709 | |
0f2d19dd | 710 | static int |
34d19ef6 | 711 | rafe (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 712 | { |
c3e3ef6e DL |
713 | ssize_t i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
714 | size_t n = SCM_I_ARRAY_DIMS (ra0)->ubnd - i + 1; | |
715 | ||
716 | scm_t_array_handle h0; | |
717 | size_t i0, i0end; | |
718 | ssize_t inc0; | |
48ffc52c | 719 | scm_array_get_handle (SCM_I_ARRAY_V (ra0), &h0); |
13af75bf DL |
720 | i0 = SCM_I_ARRAY_BASE (ra0); |
721 | inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
c3e3ef6e | 722 | i0end = i0 + n*inc0; |
d2e53ed6 | 723 | if (scm_is_null (ras)) |
c3e3ef6e | 724 | for (; i0 < i0end; i0 += inc0) |
cf64dca6 | 725 | scm_call_1 (proc, h0.vref (h0.vector, i0)); |
0f2d19dd JB |
726 | else |
727 | { | |
c3e3ef6e DL |
728 | ras = scm_vector (ras); |
729 | for (; i0 < i0end; i0 += inc0, ++i) | |
730 | { | |
731 | SCM args = SCM_EOL; | |
732 | unsigned long k; | |
733 | for (k = scm_c_vector_length (ras); k--;) | |
5e8c9d4a | 734 | args = scm_cons (AREF (scm_c_vector_ref (ras, k), i), args); |
cf64dca6 | 735 | scm_apply_1 (proc, h0.vref (h0.vector, i0), args); |
c3e3ef6e | 736 | } |
0f2d19dd | 737 | } |
c3e3ef6e | 738 | scm_array_handle_release (&h0); |
0f2d19dd JB |
739 | return 1; |
740 | } | |
741 | ||
3b3b36dd | 742 | SCM_DEFINE (scm_array_for_each, "array-for-each", 2, 0, 1, |
c209c88e | 743 | (SCM proc, SCM ra0, SCM lra), |
b7e64f8b | 744 | "Apply @var{proc} to each tuple of elements of @var{ra0} @dots{}\n" |
b380b885 | 745 | "in row-major order. The value returned is unspecified.") |
1bbd0b84 | 746 | #define FUNC_NAME s_scm_array_for_each |
0f2d19dd | 747 | { |
34d19ef6 | 748 | SCM_VALIDATE_PROC (1, proc); |
af45e3b0 | 749 | SCM_VALIDATE_REST_ARGUMENT (lra); |
c209c88e | 750 | scm_ramapc (rafe, proc, ra0, lra, FUNC_NAME); |
0f2d19dd JB |
751 | return SCM_UNSPECIFIED; |
752 | } | |
1bbd0b84 | 753 | #undef FUNC_NAME |
0f2d19dd | 754 | |
828ada13 | 755 | static void |
f0521cda AW |
756 | array_index_map_1 (SCM ra, SCM proc) |
757 | { | |
828ada13 AW |
758 | scm_t_array_handle h; |
759 | ssize_t i, inc; | |
760 | size_t p; | |
828ada13 | 761 | scm_array_get_handle (ra, &h); |
828ada13 AW |
762 | inc = h.dims[0].inc; |
763 | for (i = h.dims[0].lbnd, p = h.base; i <= h.dims[0].ubnd; ++i, p += inc) | |
cf64dca6 | 764 | h.vset (h.vector, p, scm_call_1 (proc, scm_from_ulong (i))); |
828ada13 | 765 | scm_array_handle_release (&h); |
f0521cda AW |
766 | } |
767 | ||
768 | /* Here we assume that the array is a scm_tc7_array, as that is the only | |
769 | kind of array in Guile that supports rank > 1. */ | |
828ada13 | 770 | static void |
f0521cda AW |
771 | array_index_map_n (SCM ra, SCM proc) |
772 | { | |
828ada13 | 773 | size_t i; |
f0521cda AW |
774 | SCM args = SCM_EOL; |
775 | int j, k, kmax = SCM_I_ARRAY_NDIM (ra) - 1; | |
f0521cda AW |
776 | long *vinds; |
777 | ||
778 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra), | |
779 | indices_gc_hint); | |
780 | ||
781 | for (k = 0; k <= kmax; k++) | |
b0d9b074 DL |
782 | { |
783 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; | |
784 | if (vinds[k] > SCM_I_ARRAY_DIMS (ra)[k].ubnd) | |
785 | return; | |
786 | } | |
f0521cda AW |
787 | k = kmax; |
788 | do | |
789 | { | |
790 | if (k == kmax) | |
791 | { | |
792 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; | |
793 | i = cind (ra, vinds); | |
794 | for (; vinds[k] <= SCM_I_ARRAY_DIMS (ra)[k].ubnd; vinds[k]++) | |
795 | { | |
796 | for (j = kmax + 1, args = SCM_EOL; j--;) | |
797 | args = scm_cons (scm_from_long (vinds[j]), args); | |
798 | ASET (SCM_I_ARRAY_V (ra), i, scm_apply_0 (proc, args)); | |
799 | i += SCM_I_ARRAY_DIMS (ra)[k].inc; | |
800 | } | |
801 | k--; | |
f0521cda | 802 | } |
b0d9b074 | 803 | else if (vinds[k] < SCM_I_ARRAY_DIMS (ra)[k].ubnd) |
f0521cda AW |
804 | { |
805 | vinds[k]++; | |
806 | k++; | |
f0521cda | 807 | } |
b0d9b074 DL |
808 | else |
809 | { | |
810 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd - 1; | |
811 | k--; | |
812 | } | |
f0521cda AW |
813 | } |
814 | while (k >= 0); | |
f0521cda AW |
815 | } |
816 | ||
3b3b36dd | 817 | SCM_DEFINE (scm_array_index_map_x, "array-index-map!", 2, 0, 0, |
c209c88e | 818 | (SCM ra, SCM proc), |
b7e64f8b | 819 | "Apply @var{proc} to the indices of each element of @var{ra} in\n" |
b380b885 MD |
820 | "turn, storing the result in the corresponding element. The value\n" |
821 | "returned and the order of application are unspecified.\n\n" | |
822 | "One can implement @var{array-indexes} as\n" | |
1e6808ea | 823 | "@lisp\n" |
b380b885 MD |
824 | "(define (array-indexes array)\n" |
825 | " (let ((ra (apply make-array #f (array-shape array))))\n" | |
826 | " (array-index-map! ra (lambda x x))\n" | |
827 | " ra))\n" | |
1e6808ea | 828 | "@end lisp\n" |
b380b885 | 829 | "Another example:\n" |
1e6808ea | 830 | "@lisp\n" |
b380b885 MD |
831 | "(define (apl:index-generator n)\n" |
832 | " (let ((v (make-uniform-vector n 1)))\n" | |
833 | " (array-index-map! v (lambda (i) i))\n" | |
834 | " v))\n" | |
1e6808ea | 835 | "@end lisp") |
1bbd0b84 | 836 | #define FUNC_NAME s_scm_array_index_map_x |
0f2d19dd | 837 | { |
34d19ef6 | 838 | SCM_VALIDATE_PROC (2, proc); |
399aba0a | 839 | |
f0521cda | 840 | switch (scm_c_array_rank (ra)) |
16259ae3 | 841 | { |
f0521cda AW |
842 | case 0: |
843 | scm_array_set_x (ra, scm_call_0 (proc), SCM_EOL); | |
844 | break; | |
845 | case 1: | |
846 | array_index_map_1 (ra, proc); | |
847 | break; | |
848 | default: | |
849 | array_index_map_n (ra, proc); | |
850 | break; | |
16259ae3 | 851 | } |
b4b33636 | 852 | |
f0521cda | 853 | return SCM_UNSPECIFIED; |
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 | */ |