Commit | Line | Data |
---|---|---|
91ee7515 | 1 | /* Copyright (C) 1996,1998,2000,2001,2004,2005, 2006, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e | 3 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
53befeb7 NJ |
8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
73be1d9e | 17 | */ |
1bbd0b84 | 18 | |
1bbd0b84 | 19 | |
0f2d19dd JB |
20 | \f |
21 | ||
22 | ||
23 | \f | |
dbb605f5 LC |
24 | #ifdef HAVE_CONFIG_H |
25 | # include <config.h> | |
26 | #endif | |
0f2d19dd | 27 | |
a0599745 | 28 | #include "libguile/_scm.h" |
405aaef9 | 29 | #include "libguile/strings.h" |
2fa901a5 | 30 | #include "libguile/arrays.h" |
a0599745 MD |
31 | #include "libguile/smob.h" |
32 | #include "libguile/chars.h" | |
33 | #include "libguile/eq.h" | |
34 | #include "libguile/eval.h" | |
35 | #include "libguile/feature.h" | |
36 | #include "libguile/root.h" | |
37 | #include "libguile/vectors.h" | |
cf396142 | 38 | #include "libguile/bitvectors.h" |
b4bdadde | 39 | #include "libguile/srfi-4.h" |
1030b450 | 40 | #include "libguile/generalized-arrays.h" |
f332e957 | 41 | #include "libguile/generalized-vectors.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 | ||
0f2d19dd | 50 | |
85516012 MV |
51 | #define GVREF scm_c_generalized_vector_ref |
52 | #define GVSET scm_c_generalized_vector_set_x | |
c209c88e | 53 | |
c014a02e | 54 | static unsigned long |
b4b33636 | 55 | cind (SCM ra, long *ve) |
0f2d19dd | 56 | { |
c014a02e | 57 | unsigned long i; |
0f2d19dd | 58 | int k; |
04b87de5 | 59 | if (!SCM_I_ARRAYP (ra)) |
0f2d19dd | 60 | return *ve; |
04b87de5 MV |
61 | i = SCM_I_ARRAY_BASE (ra); |
62 | for (k = 0; k < SCM_I_ARRAY_NDIM (ra); k++) | |
63 | i += (ve[k] - SCM_I_ARRAY_DIMS (ra)[k].lbnd) * SCM_I_ARRAY_DIMS (ra)[k].inc; | |
0f2d19dd JB |
64 | return i; |
65 | } | |
66 | ||
67 | ||
68 | /* Checker for scm_array mapping functions: | |
69 | return values: 4 --> shapes, increments, and bases are the same; | |
70 | 3 --> shapes and increments are the same; | |
71 | 2 --> shapes are the same; | |
72 | 1 --> ras are at least as big as ra0; | |
73 | 0 --> no match. | |
74 | */ | |
1cc91f1b | 75 | |
0f2d19dd | 76 | int |
6e8d25a6 | 77 | scm_ra_matchp (SCM ra0, SCM ras) |
0f2d19dd JB |
78 | { |
79 | SCM ra1; | |
92c2555f MV |
80 | scm_t_array_dim dims; |
81 | scm_t_array_dim *s0 = &dims; | |
82 | scm_t_array_dim *s1; | |
c014a02e | 83 | unsigned long bas0 = 0; |
0f2d19dd | 84 | int i, ndim = 1; |
399aba0a MV |
85 | int exact = 2 /* 4 */ ; /* Don't care about values >2 (yet?) */ |
86 | ||
87 | if (scm_is_generalized_vector (ra0)) | |
c209c88e | 88 | { |
c209c88e GB |
89 | s0->lbnd = 0; |
90 | s0->inc = 1; | |
399aba0a MV |
91 | s0->ubnd = scm_c_generalized_vector_length (ra0) - 1; |
92 | } | |
04b87de5 | 93 | else if (SCM_I_ARRAYP (ra0)) |
399aba0a | 94 | { |
04b87de5 MV |
95 | ndim = SCM_I_ARRAY_NDIM (ra0); |
96 | s0 = SCM_I_ARRAY_DIMS (ra0); | |
97 | bas0 = SCM_I_ARRAY_BASE (ra0); | |
c209c88e | 98 | } |
399aba0a MV |
99 | else |
100 | return 0; | |
101 | ||
62fdadb0 | 102 | while (scm_is_pair (ras)) |
c209c88e GB |
103 | { |
104 | ra1 = SCM_CAR (ras); | |
399aba0a MV |
105 | |
106 | if (scm_is_generalized_vector (ra1)) | |
c209c88e | 107 | { |
399aba0a MV |
108 | size_t length; |
109 | ||
110 | if (1 != ndim) | |
c209c88e | 111 | return 0; |
399aba0a MV |
112 | |
113 | length = scm_c_generalized_vector_length (ra1); | |
114 | ||
115 | switch (exact) | |
116 | { | |
117 | case 4: | |
118 | if (0 != bas0) | |
119 | exact = 3; | |
120 | case 3: | |
121 | if (1 != s0->inc) | |
122 | exact = 2; | |
123 | case 2: | |
124 | if ((0 == s0->lbnd) && (s0->ubnd == length - 1)) | |
125 | break; | |
126 | exact = 1; | |
127 | case 1: | |
128 | if (s0->lbnd < 0 || s0->ubnd >= length) | |
129 | return 0; | |
130 | } | |
131 | } | |
04b87de5 | 132 | else if (SCM_I_ARRAYP (ra1) && ndim == SCM_I_ARRAY_NDIM (ra1)) |
399aba0a | 133 | { |
04b87de5 MV |
134 | s1 = SCM_I_ARRAY_DIMS (ra1); |
135 | if (bas0 != SCM_I_ARRAY_BASE (ra1)) | |
c209c88e GB |
136 | exact = 3; |
137 | for (i = 0; i < ndim; i++) | |
138 | switch (exact) | |
139 | { | |
140 | case 4: | |
141 | case 3: | |
142 | if (s0[i].inc != s1[i].inc) | |
143 | exact = 2; | |
144 | case 2: | |
145 | if (s0[i].lbnd == s1[i].lbnd && s0[i].ubnd == s1[i].ubnd) | |
146 | break; | |
147 | exact = 1; | |
148 | default: | |
149 | if (s0[i].lbnd < s1[i].lbnd || s0[i].ubnd > s1[i].ubnd) | |
150 | return (s0[i].lbnd <= s0[i].ubnd ? 0 : 1); | |
151 | } | |
c209c88e | 152 | } |
399aba0a MV |
153 | else |
154 | return 0; | |
155 | ||
c209c88e GB |
156 | ras = SCM_CDR (ras); |
157 | } | |
399aba0a | 158 | |
0f2d19dd JB |
159 | return exact; |
160 | } | |
161 | ||
1bbd0b84 GB |
162 | /* array mapper: apply cproc to each dimension of the given arrays?. |
163 | int (*cproc) (); procedure to call on unrolled arrays? | |
5c11cc9d | 164 | cproc (dest, source list) or |
1bbd0b84 GB |
165 | cproc (dest, data, source list). |
166 | SCM data; data to give to cproc or unbound. | |
167 | SCM ra0; destination array. | |
168 | SCM lra; list of source arrays. | |
169 | const char *what; caller, for error reporting. */ | |
170 | int | |
10b9343f | 171 | scm_ramapc (void *cproc_ptr, SCM data, SCM ra0, SCM lra, const char *what) |
0f2d19dd | 172 | { |
b4b33636 | 173 | SCM z; |
0f2d19dd JB |
174 | SCM vra0, ra1, vra1; |
175 | SCM lvra, *plvra; | |
c014a02e | 176 | long *vinds; |
0f2d19dd | 177 | int k, kmax; |
10b9343f LC |
178 | int (*cproc) (); |
179 | ||
180 | cproc = cproc_ptr; | |
0f2d19dd JB |
181 | switch (scm_ra_matchp (ra0, lra)) |
182 | { | |
183 | default: | |
184 | case 0: | |
9cf5d9b7 | 185 | scm_misc_error (what, "array shape mismatch: ~S", scm_list_1 (ra0)); |
0f2d19dd JB |
186 | case 2: |
187 | case 3: | |
188 | case 4: /* Try unrolling arrays */ | |
04b87de5 | 189 | kmax = (SCM_I_ARRAYP (ra0) ? SCM_I_ARRAY_NDIM (ra0) - 1 : 0); |
0f2d19dd JB |
190 | if (kmax < 0) |
191 | goto gencase; | |
192 | vra0 = scm_array_contents (ra0, SCM_UNDEFINED); | |
ff467021 | 193 | if (SCM_IMP (vra0)) goto gencase; |
04b87de5 | 194 | if (!SCM_I_ARRAYP (vra0)) |
0f2d19dd | 195 | { |
399aba0a | 196 | size_t length = scm_c_generalized_vector_length (vra0); |
66b9d7d3 | 197 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
198 | SCM_I_ARRAY_BASE (vra1) = 0; |
199 | SCM_I_ARRAY_DIMS (vra1)->lbnd = 0; | |
200 | SCM_I_ARRAY_DIMS (vra1)->ubnd = length - 1; | |
201 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
202 | SCM_I_ARRAY_V (vra1) = vra0; | |
0f2d19dd JB |
203 | vra0 = vra1; |
204 | } | |
205 | lvra = SCM_EOL; | |
206 | plvra = &lvra; | |
62fdadb0 | 207 | for (z = lra; scm_is_pair (z); z = SCM_CDR (z)) |
0f2d19dd JB |
208 | { |
209 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 210 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
211 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
212 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
213 | if (!SCM_I_ARRAYP (ra1)) | |
0f2d19dd | 214 | { |
04b87de5 MV |
215 | SCM_I_ARRAY_BASE (vra1) = 0; |
216 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
217 | SCM_I_ARRAY_V (vra1) = ra1; | |
0f2d19dd | 218 | } |
04b87de5 | 219 | else if (!SCM_I_ARRAY_CONTP (ra1)) |
0f2d19dd JB |
220 | goto gencase; |
221 | else | |
222 | { | |
04b87de5 MV |
223 | SCM_I_ARRAY_BASE (vra1) = SCM_I_ARRAY_BASE (ra1); |
224 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; | |
225 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
226 | } |
227 | *plvra = scm_cons (vra1, SCM_EOL); | |
25d8012c | 228 | plvra = SCM_CDRLOC (*plvra); |
0f2d19dd JB |
229 | } |
230 | return (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra)); | |
231 | case 1: | |
232 | gencase: /* Have to loop over all dimensions. */ | |
66b9d7d3 | 233 | vra0 = scm_i_make_array (1); |
04b87de5 | 234 | if (SCM_I_ARRAYP (ra0)) |
c209c88e | 235 | { |
04b87de5 | 236 | kmax = SCM_I_ARRAY_NDIM (ra0) - 1; |
c209c88e | 237 | if (kmax < 0) |
0f2d19dd | 238 | { |
04b87de5 MV |
239 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
240 | SCM_I_ARRAY_DIMS (vra0)->ubnd = 0; | |
241 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
0f2d19dd | 242 | } |
c209c88e GB |
243 | else |
244 | { | |
04b87de5 MV |
245 | SCM_I_ARRAY_DIMS (vra0)->lbnd = SCM_I_ARRAY_DIMS (ra0)[kmax].lbnd; |
246 | SCM_I_ARRAY_DIMS (vra0)->ubnd = SCM_I_ARRAY_DIMS (ra0)[kmax].ubnd; | |
247 | SCM_I_ARRAY_DIMS (vra0)->inc = SCM_I_ARRAY_DIMS (ra0)[kmax].inc; | |
c209c88e | 248 | } |
04b87de5 MV |
249 | SCM_I_ARRAY_BASE (vra0) = SCM_I_ARRAY_BASE (ra0); |
250 | SCM_I_ARRAY_V (vra0) = SCM_I_ARRAY_V (ra0); | |
c209c88e GB |
251 | } |
252 | else | |
253 | { | |
ee67e2fa | 254 | size_t length = scm_c_generalized_vector_length (ra0); |
c209c88e | 255 | kmax = 0; |
04b87de5 MV |
256 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
257 | SCM_I_ARRAY_DIMS (vra0)->ubnd = length - 1; | |
258 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
259 | SCM_I_ARRAY_BASE (vra0) = 0; | |
260 | SCM_I_ARRAY_V (vra0) = ra0; | |
c209c88e GB |
261 | ra0 = vra0; |
262 | } | |
263 | lvra = SCM_EOL; | |
264 | plvra = &lvra; | |
62fdadb0 | 265 | for (z = lra; scm_is_pair (z); z = SCM_CDR (z)) |
c209c88e GB |
266 | { |
267 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 268 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
269 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
270 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
271 | if (SCM_I_ARRAYP (ra1)) | |
c209c88e GB |
272 | { |
273 | if (kmax >= 0) | |
04b87de5 MV |
274 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; |
275 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
276 | } |
277 | else | |
278 | { | |
04b87de5 MV |
279 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; |
280 | SCM_I_ARRAY_V (vra1) = ra1; | |
c209c88e GB |
281 | } |
282 | *plvra = scm_cons (vra1, SCM_EOL); | |
283 | plvra = SCM_CDRLOC (*plvra); | |
284 | } | |
b4b33636 | 285 | |
d66b74dc LC |
286 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra0), |
287 | indices_gc_hint); | |
b4b33636 | 288 | |
c209c88e | 289 | for (k = 0; k <= kmax; k++) |
04b87de5 | 290 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd; |
c209c88e GB |
291 | k = kmax; |
292 | do | |
293 | { | |
294 | if (k == kmax) | |
295 | { | |
296 | SCM y = lra; | |
04b87de5 | 297 | SCM_I_ARRAY_BASE (vra0) = cind (ra0, vinds); |
62fdadb0 | 298 | for (z = lvra; scm_is_pair (z); z = SCM_CDR (z), y = SCM_CDR (y)) |
04b87de5 | 299 | SCM_I_ARRAY_BASE (SCM_CAR (z)) = cind (SCM_CAR (y), vinds); |
c209c88e GB |
300 | if (0 == (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra))) |
301 | return 0; | |
302 | k--; | |
303 | continue; | |
304 | } | |
04b87de5 | 305 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra0)[k].ubnd) |
c209c88e GB |
306 | { |
307 | vinds[k]++; | |
308 | k++; | |
309 | continue; | |
310 | } | |
04b87de5 | 311 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd - 1; |
c209c88e GB |
312 | k--; |
313 | } | |
314 | while (k >= 0); | |
b4b33636 | 315 | |
c209c88e | 316 | return 1; |
0f2d19dd JB |
317 | } |
318 | } | |
319 | ||
320 | ||
3b3b36dd | 321 | SCM_DEFINE (scm_array_fill_x, "array-fill!", 2, 0, 0, |
c209c88e | 322 | (SCM ra, SCM fill), |
8f85c0c6 | 323 | "Store @var{fill} in every element of @var{array}. The value returned\n" |
b380b885 | 324 | "is unspecified.") |
1bbd0b84 | 325 | #define FUNC_NAME s_scm_array_fill_x |
ad310508 | 326 | { |
c209c88e | 327 | scm_ramapc (scm_array_fill_int, fill, ra, SCM_EOL, FUNC_NAME); |
ad310508 MD |
328 | return SCM_UNSPECIFIED; |
329 | } | |
1bbd0b84 | 330 | #undef FUNC_NAME |
ad310508 | 331 | |
5c11cc9d GH |
332 | /* to be used as cproc in scm_ramapc to fill an array dimension with |
333 | "fill". */ | |
0f2d19dd | 334 | int |
e81d98ec | 335 | scm_array_fill_int (SCM ra, SCM fill, SCM ignore SCM_UNUSED) |
1bbd0b84 | 336 | #define FUNC_NAME s_scm_array_fill_x |
0f2d19dd | 337 | { |
c014a02e | 338 | unsigned long i; |
04b87de5 MV |
339 | unsigned long n = SCM_I_ARRAY_DIMS (ra)->ubnd - SCM_I_ARRAY_DIMS (ra)->lbnd + 1; |
340 | long inc = SCM_I_ARRAY_DIMS (ra)->inc; | |
341 | unsigned long base = SCM_I_ARRAY_BASE (ra); | |
5c11cc9d | 342 | |
04b87de5 | 343 | ra = SCM_I_ARRAY_V (ra); |
b4bdadde | 344 | |
afaf9d0b | 345 | for (i = base; n--; i += inc) |
85516012 | 346 | GVSET (ra, i, fill); |
afaf9d0b | 347 | |
0f2d19dd JB |
348 | return 1; |
349 | } | |
1bbd0b84 | 350 | #undef FUNC_NAME |
0f2d19dd | 351 | |
0f2d19dd | 352 | |
c209c88e | 353 | |
0f2d19dd | 354 | static int |
1bbd0b84 | 355 | racp (SCM src, SCM dst) |
0f2d19dd | 356 | { |
04b87de5 MV |
357 | long n = (SCM_I_ARRAY_DIMS (src)->ubnd - SCM_I_ARRAY_DIMS (src)->lbnd + 1); |
358 | long inc_d, inc_s = SCM_I_ARRAY_DIMS (src)->inc; | |
359 | unsigned long i_d, i_s = SCM_I_ARRAY_BASE (src); | |
0f2d19dd | 360 | dst = SCM_CAR (dst); |
04b87de5 MV |
361 | inc_d = SCM_I_ARRAY_DIMS (dst)->inc; |
362 | i_d = SCM_I_ARRAY_BASE (dst); | |
363 | src = SCM_I_ARRAY_V (src); | |
364 | dst = SCM_I_ARRAY_V (dst); | |
c209c88e | 365 | |
399aba0a | 366 | for (; n-- > 0; i_s += inc_s, i_d += inc_d) |
85516012 | 367 | GVSET (dst, i_d, GVREF (src, i_s)); |
0f2d19dd JB |
368 | return 1; |
369 | } | |
370 | ||
1bbd0b84 | 371 | SCM_REGISTER_PROC(s_array_copy_in_order_x, "array-copy-in-order!", 2, 0, 0, scm_array_copy_x); |
1cc91f1b | 372 | |
1bbd0b84 | 373 | |
3b3b36dd | 374 | SCM_DEFINE (scm_array_copy_x, "array-copy!", 2, 0, 0, |
c209c88e | 375 | (SCM src, SCM dst), |
8f85c0c6 NJ |
376 | "@deffnx {Scheme Procedure} array-copy-in-order! src dst\n" |
377 | "Copy every element from vector or array @var{source} to the\n" | |
b380b885 MD |
378 | "corresponding element of @var{destination}. @var{destination} must have\n" |
379 | "the same rank as @var{source}, and be at least as large in each\n" | |
380 | "dimension. The order is unspecified.") | |
1bbd0b84 | 381 | #define FUNC_NAME s_scm_array_copy_x |
0f2d19dd | 382 | { |
c209c88e | 383 | scm_ramapc (racp, SCM_UNDEFINED, src, scm_cons (dst, SCM_EOL), FUNC_NAME); |
0f2d19dd JB |
384 | return SCM_UNSPECIFIED; |
385 | } | |
1bbd0b84 | 386 | #undef FUNC_NAME |
0f2d19dd JB |
387 | |
388 | /* Functions callable by ARRAY-MAP! */ | |
389 | ||
1cc91f1b | 390 | |
0f2d19dd | 391 | int |
1bbd0b84 | 392 | scm_ra_eqp (SCM ra0, SCM ras) |
0f2d19dd JB |
393 | { |
394 | SCM ra1 = SCM_CAR (ras), ra2 = SCM_CAR (SCM_CDR (ras)); | |
fab07c30 MV |
395 | scm_t_array_handle ra0_handle; |
396 | scm_t_array_dim *ra0_dims; | |
397 | size_t n; | |
398 | ssize_t inc0; | |
399 | size_t i0 = 0; | |
400 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
401 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
402 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
403 | ra1 = SCM_I_ARRAY_V (ra1); |
404 | ra2 = SCM_I_ARRAY_V (ra2); | |
fab07c30 MV |
405 | |
406 | scm_array_get_handle (ra0, &ra0_handle); | |
407 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
408 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
409 | inc0 = ra0_dims[0].inc; | |
410 | ||
399aba0a | 411 | { |
399aba0a | 412 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 413 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
85516012 | 414 | if (!scm_is_eq (GVREF (ra1, i1), GVREF (ra2, i2))) |
fab07c30 | 415 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
416 | } |
417 | ||
fab07c30 | 418 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
419 | return 1; |
420 | } | |
421 | ||
422 | /* opt 0 means <, nonzero means >= */ | |
1cc91f1b | 423 | |
0f2d19dd | 424 | static int |
34d19ef6 | 425 | ra_compare (SCM ra0, SCM ra1, SCM ra2, int opt) |
0f2d19dd | 426 | { |
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); | |
399aba0a | 437 | |
fab07c30 MV |
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))) |
399aba0a | 446 | if (opt ? |
85516012 MV |
447 | scm_is_true (scm_less_p (GVREF (ra1, i1), GVREF (ra2, i2))) : |
448 | scm_is_false (scm_less_p (GVREF (ra1, i1), GVREF (ra2, i2)))) | |
fab07c30 | 449 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
450 | } |
451 | ||
fab07c30 | 452 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
453 | return 1; |
454 | } | |
455 | ||
456 | ||
1cc91f1b | 457 | |
0f2d19dd | 458 | int |
1bbd0b84 | 459 | scm_ra_lessp (SCM ra0, SCM ras) |
0f2d19dd JB |
460 | { |
461 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 0); | |
462 | } | |
463 | ||
1cc91f1b | 464 | |
0f2d19dd | 465 | int |
1bbd0b84 | 466 | scm_ra_leqp (SCM ra0, SCM ras) |
0f2d19dd JB |
467 | { |
468 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 1); | |
469 | } | |
470 | ||
1cc91f1b | 471 | |
0f2d19dd | 472 | int |
1bbd0b84 | 473 | scm_ra_grp (SCM ra0, SCM ras) |
0f2d19dd JB |
474 | { |
475 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 0); | |
476 | } | |
477 | ||
1cc91f1b | 478 | |
0f2d19dd | 479 | int |
1bbd0b84 | 480 | scm_ra_greqp (SCM ra0, SCM ras) |
0f2d19dd JB |
481 | { |
482 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 1); | |
483 | } | |
484 | ||
485 | ||
0f2d19dd | 486 | int |
1bbd0b84 | 487 | scm_ra_sum (SCM ra0, SCM ras) |
0f2d19dd | 488 | { |
04b87de5 MV |
489 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
490 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
491 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
492 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 493 | if (!scm_is_null(ras)) |
c209c88e GB |
494 | { |
495 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
496 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
497 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
498 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
499 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
500 | { | |
501 | default: | |
0f2d19dd | 502 | { |
c209c88e | 503 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 | 504 | GVSET (ra0, i0, scm_sum (GVREF(ra0, i0), GVREF(ra1, i1))); |
c209c88e GB |
505 | break; |
506 | } | |
c209c88e GB |
507 | } |
508 | } | |
0f2d19dd JB |
509 | return 1; |
510 | } | |
511 | ||
512 | ||
1cc91f1b | 513 | |
0f2d19dd | 514 | int |
1bbd0b84 | 515 | scm_ra_difference (SCM ra0, SCM ras) |
0f2d19dd | 516 | { |
04b87de5 MV |
517 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
518 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
519 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
520 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 521 | if (scm_is_null (ras)) |
c209c88e GB |
522 | { |
523 | switch (SCM_TYP7 (ra0)) | |
524 | { | |
525 | default: | |
526 | { | |
c209c88e | 527 | for (; n-- > 0; i0 += inc0) |
85516012 | 528 | GVSET (ra0, i0, scm_difference (GVREF(ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
529 | break; |
530 | } | |
c209c88e GB |
531 | } |
532 | } | |
0f2d19dd JB |
533 | else |
534 | { | |
535 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
536 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
537 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
538 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
539 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
540 | { | |
541 | default: | |
542 | { | |
0f2d19dd | 543 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 MV |
544 | GVSET (ra0, i0, scm_difference (GVREF (ra0, i0), |
545 | GVREF (ra1, i1))); | |
0f2d19dd JB |
546 | break; |
547 | } | |
0f2d19dd JB |
548 | } |
549 | } | |
550 | return 1; | |
551 | } | |
552 | ||
553 | ||
1cc91f1b | 554 | |
0f2d19dd | 555 | int |
1bbd0b84 | 556 | scm_ra_product (SCM ra0, SCM ras) |
0f2d19dd | 557 | { |
04b87de5 MV |
558 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
559 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
560 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
561 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 562 | if (!scm_is_null (ras)) |
c209c88e GB |
563 | { |
564 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
565 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
566 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
567 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
568 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
569 | { | |
570 | default: | |
0f2d19dd | 571 | { |
c209c88e | 572 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 MV |
573 | GVSET (ra0, i0, scm_product (GVREF (ra0, i0), |
574 | GVREF (ra1, i1))); | |
c209c88e | 575 | } |
c209c88e GB |
576 | } |
577 | } | |
0f2d19dd JB |
578 | return 1; |
579 | } | |
580 | ||
1cc91f1b | 581 | |
0f2d19dd | 582 | int |
1bbd0b84 | 583 | scm_ra_divide (SCM ra0, SCM ras) |
0f2d19dd | 584 | { |
04b87de5 MV |
585 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
586 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
587 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
588 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 589 | if (scm_is_null (ras)) |
c209c88e GB |
590 | { |
591 | switch (SCM_TYP7 (ra0)) | |
592 | { | |
593 | default: | |
594 | { | |
c209c88e | 595 | for (; n-- > 0; i0 += inc0) |
85516012 | 596 | GVSET (ra0, i0, scm_divide (GVREF (ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
597 | break; |
598 | } | |
c209c88e GB |
599 | } |
600 | } | |
0f2d19dd JB |
601 | else |
602 | { | |
603 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
604 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
605 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
606 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
607 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
608 | { | |
609 | default: | |
610 | { | |
0f2d19dd | 611 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
afaf9d0b | 612 | { |
85516012 MV |
613 | SCM res = scm_divide (GVREF (ra0, i0), |
614 | GVREF (ra1, i1)); | |
615 | GVSET (ra0, i0, res); | |
afaf9d0b | 616 | } |
0f2d19dd JB |
617 | break; |
618 | } | |
0f2d19dd JB |
619 | } |
620 | } | |
621 | return 1; | |
622 | } | |
623 | ||
1cc91f1b | 624 | |
0f2d19dd | 625 | int |
1bbd0b84 | 626 | scm_array_identity (SCM dst, SCM src) |
0f2d19dd JB |
627 | { |
628 | return racp (SCM_CAR (src), scm_cons (dst, SCM_EOL)); | |
629 | } | |
630 | ||
631 | ||
1cc91f1b | 632 | |
0f2d19dd | 633 | static int |
34d19ef6 | 634 | ramap (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 635 | { |
04b87de5 MV |
636 | long i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
637 | long inc = SCM_I_ARRAY_DIMS (ra0)->inc; | |
638 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd; | |
639 | long base = SCM_I_ARRAY_BASE (ra0) - i * inc; | |
640 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 641 | if (scm_is_null (ras)) |
c209c88e | 642 | for (; i <= n; i++) |
85516012 | 643 | GVSET (ra0, i*inc+base, scm_call_0 (proc)); |
0f2d19dd JB |
644 | else |
645 | { | |
646 | SCM ra1 = SCM_CAR (ras); | |
34d19ef6 | 647 | SCM args; |
04b87de5 MV |
648 | unsigned long k, i1 = SCM_I_ARRAY_BASE (ra1); |
649 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
650 | ra1 = SCM_I_ARRAY_V (ra1); | |
e7efe8e7 | 651 | ras = scm_vector (SCM_CDR (ras)); |
34d19ef6 | 652 | |
0f2d19dd JB |
653 | for (; i <= n; i++, i1 += inc1) |
654 | { | |
655 | args = SCM_EOL; | |
ee67e2fa | 656 | for (k = scm_c_vector_length (ras); k--;) |
85516012 MV |
657 | args = scm_cons (GVREF (scm_c_vector_ref (ras, k), i), args); |
658 | args = scm_cons (GVREF (ra1, i1), args); | |
659 | GVSET (ra0, i*inc+base, scm_apply_0 (proc, args)); | |
0f2d19dd JB |
660 | } |
661 | } | |
662 | return 1; | |
663 | } | |
664 | ||
1cc91f1b | 665 | |
1bbd0b84 | 666 | SCM_REGISTER_PROC(s_array_map_in_order_x, "array-map-in-order!", 2, 0, 1, scm_array_map_x); |
1cc91f1b | 667 | |
718866aa | 668 | SCM_SYMBOL (sym_b, "b"); |
1bbd0b84 | 669 | |
3b3b36dd | 670 | SCM_DEFINE (scm_array_map_x, "array-map!", 2, 0, 1, |
c209c88e | 671 | (SCM ra0, SCM proc, SCM lra), |
8f85c0c6 | 672 | "@deffnx {Scheme Procedure} array-map-in-order! ra0 proc . lra\n" |
b380b885 MD |
673 | "@var{array1}, @dots{} must have the same number of dimensions as\n" |
674 | "@var{array0} and have a range for each index which includes the range\n" | |
675 | "for the corresponding index in @var{array0}. @var{proc} is applied to\n" | |
676 | "each tuple of elements of @var{array1} @dots{} and the result is stored\n" | |
677 | "as the corresponding element in @var{array0}. The value returned is\n" | |
678 | "unspecified. The order of application is unspecified.") | |
1bbd0b84 | 679 | #define FUNC_NAME s_scm_array_map_x |
0f2d19dd | 680 | { |
34d19ef6 | 681 | SCM_VALIDATE_PROC (2, proc); |
af45e3b0 | 682 | SCM_VALIDATE_REST_ARGUMENT (lra); |
f530e94f | 683 | |
31d845b4 AW |
684 | scm_ramapc (ramap, proc, ra0, lra, FUNC_NAME); |
685 | return SCM_UNSPECIFIED; | |
0f2d19dd | 686 | } |
1bbd0b84 | 687 | #undef FUNC_NAME |
0f2d19dd | 688 | |
1cc91f1b | 689 | |
0f2d19dd | 690 | static int |
34d19ef6 | 691 | rafe (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 692 | { |
04b87de5 MV |
693 | long i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
694 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
695 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
696 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd; | |
697 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 698 | if (scm_is_null (ras)) |
c209c88e | 699 | for (; i <= n; i++, i0 += inc0) |
85516012 | 700 | scm_call_1 (proc, GVREF (ra0, i0)); |
0f2d19dd JB |
701 | else |
702 | { | |
703 | SCM ra1 = SCM_CAR (ras); | |
34d19ef6 | 704 | SCM args; |
04b87de5 MV |
705 | unsigned long k, i1 = SCM_I_ARRAY_BASE (ra1); |
706 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
707 | ra1 = SCM_I_ARRAY_V (ra1); | |
e7efe8e7 AW |
708 | ras = scm_vector (SCM_CDR (ras)); |
709 | ||
0f2d19dd JB |
710 | for (; i <= n; i++, i0 += inc0, i1 += inc1) |
711 | { | |
712 | args = SCM_EOL; | |
ee67e2fa | 713 | for (k = scm_c_vector_length (ras); k--;) |
85516012 MV |
714 | args = scm_cons (GVREF (scm_c_vector_ref (ras, k), i), args); |
715 | args = scm_cons2 (GVREF (ra0, i0), GVREF (ra1, i1), args); | |
fdc28395 | 716 | scm_apply_0 (proc, args); |
0f2d19dd JB |
717 | } |
718 | } | |
719 | return 1; | |
720 | } | |
721 | ||
722 | ||
3b3b36dd | 723 | SCM_DEFINE (scm_array_for_each, "array-for-each", 2, 0, 1, |
c209c88e | 724 | (SCM proc, SCM ra0, SCM lra), |
8f85c0c6 | 725 | "Apply @var{proc} to each tuple of elements of @var{array0} @dots{}\n" |
b380b885 | 726 | "in row-major order. The value returned is unspecified.") |
1bbd0b84 | 727 | #define FUNC_NAME s_scm_array_for_each |
0f2d19dd | 728 | { |
34d19ef6 | 729 | SCM_VALIDATE_PROC (1, proc); |
af45e3b0 | 730 | SCM_VALIDATE_REST_ARGUMENT (lra); |
c209c88e | 731 | scm_ramapc (rafe, proc, ra0, lra, FUNC_NAME); |
0f2d19dd JB |
732 | return SCM_UNSPECIFIED; |
733 | } | |
1bbd0b84 | 734 | #undef FUNC_NAME |
0f2d19dd | 735 | |
3b3b36dd | 736 | SCM_DEFINE (scm_array_index_map_x, "array-index-map!", 2, 0, 0, |
c209c88e | 737 | (SCM ra, SCM proc), |
8f85c0c6 | 738 | "Apply @var{proc} to the indices of each element of @var{array} in\n" |
b380b885 MD |
739 | "turn, storing the result in the corresponding element. The value\n" |
740 | "returned and the order of application are unspecified.\n\n" | |
741 | "One can implement @var{array-indexes} as\n" | |
1e6808ea | 742 | "@lisp\n" |
b380b885 MD |
743 | "(define (array-indexes array)\n" |
744 | " (let ((ra (apply make-array #f (array-shape array))))\n" | |
745 | " (array-index-map! ra (lambda x x))\n" | |
746 | " ra))\n" | |
1e6808ea | 747 | "@end lisp\n" |
b380b885 | 748 | "Another example:\n" |
1e6808ea | 749 | "@lisp\n" |
b380b885 MD |
750 | "(define (apl:index-generator n)\n" |
751 | " (let ((v (make-uniform-vector n 1)))\n" | |
752 | " (array-index-map! v (lambda (i) i))\n" | |
753 | " v))\n" | |
1e6808ea | 754 | "@end lisp") |
1bbd0b84 | 755 | #define FUNC_NAME s_scm_array_index_map_x |
0f2d19dd | 756 | { |
c014a02e | 757 | unsigned long i; |
34d19ef6 | 758 | SCM_VALIDATE_PROC (2, proc); |
399aba0a | 759 | |
5ead53fc | 760 | if (SCM_I_ARRAYP (ra)) |
399aba0a MV |
761 | { |
762 | SCM args = SCM_EOL; | |
04b87de5 | 763 | int j, k, kmax = SCM_I_ARRAY_NDIM (ra) - 1; |
b4b33636 MV |
764 | long *vinds; |
765 | ||
399aba0a MV |
766 | if (kmax < 0) |
767 | return scm_array_set_x (ra, scm_call_0 (proc), SCM_EOL); | |
b4b33636 | 768 | |
d66b74dc LC |
769 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra), |
770 | indices_gc_hint); | |
b4b33636 | 771 | |
399aba0a | 772 | for (k = 0; k <= kmax; k++) |
04b87de5 | 773 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; |
399aba0a MV |
774 | k = kmax; |
775 | do | |
776 | { | |
777 | if (k == kmax) | |
778 | { | |
04b87de5 | 779 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; |
b4b33636 | 780 | i = cind (ra, vinds); |
04b87de5 | 781 | for (; vinds[k] <= SCM_I_ARRAY_DIMS (ra)[k].ubnd; vinds[k]++) |
399aba0a MV |
782 | { |
783 | for (j = kmax + 1, args = SCM_EOL; j--;) | |
784 | args = scm_cons (scm_from_long (vinds[j]), args); | |
04b87de5 MV |
785 | GVSET (SCM_I_ARRAY_V (ra), i, scm_apply_0 (proc, args)); |
786 | i += SCM_I_ARRAY_DIMS (ra)[k].inc; | |
399aba0a MV |
787 | } |
788 | k--; | |
789 | continue; | |
790 | } | |
04b87de5 | 791 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra)[k].ubnd) |
399aba0a MV |
792 | { |
793 | vinds[k]++; | |
794 | k++; | |
795 | continue; | |
796 | } | |
04b87de5 | 797 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd - 1; |
399aba0a MV |
798 | k--; |
799 | } | |
800 | while (k >= 0); | |
b4b33636 | 801 | |
399aba0a | 802 | return SCM_UNSPECIFIED; |
e42c09cc | 803 | } |
5ead53fc MV |
804 | else if (scm_is_generalized_vector (ra)) |
805 | { | |
806 | size_t length = scm_c_generalized_vector_length (ra); | |
807 | for (i = 0; i < length; i++) | |
808 | GVSET (ra, i, scm_call_1 (proc, scm_from_ulong (i))); | |
809 | return SCM_UNSPECIFIED; | |
810 | } | |
811 | else | |
399aba0a | 812 | scm_wrong_type_arg_msg (NULL, 0, ra, "array"); |
0f2d19dd | 813 | } |
1bbd0b84 | 814 | #undef FUNC_NAME |
0f2d19dd | 815 | |
1cc91f1b | 816 | |
0f2d19dd | 817 | static int |
a587d6a9 AW |
818 | array_compare (scm_t_array_handle *hx, scm_t_array_handle *hy, |
819 | size_t dim, unsigned long posx, unsigned long posy) | |
0f2d19dd | 820 | { |
a587d6a9 AW |
821 | if (dim == scm_array_handle_rank (hx)) |
822 | return scm_is_true (scm_equal_p (scm_array_handle_ref (hx, posx), | |
823 | scm_array_handle_ref (hy, posy))); | |
e466c6a2 | 824 | else |
c209c88e | 825 | { |
a587d6a9 AW |
826 | long incx, incy; |
827 | size_t i; | |
399aba0a | 828 | |
a587d6a9 AW |
829 | if (hx->dims[dim].lbnd != hy->dims[dim].lbnd |
830 | || hx->dims[dim].ubnd != hy->dims[dim].ubnd) | |
831 | return 0; | |
832 | ||
833 | i = hx->dims[dim].ubnd - hx->dims[dim].lbnd + 1; | |
834 | ||
835 | incx = hx->dims[dim].inc; | |
836 | incy = hy->dims[dim].inc; | |
837 | posx += (i - 1) * incx; | |
838 | posy += (i - 1) * incy; | |
839 | ||
840 | for (; i > 0; i--, posx -= incx, posy -= incy) | |
841 | if (!array_compare (hx, hy, dim + 1, posx, posy)) | |
842 | return 0; | |
c209c88e | 843 | return 1; |
c209c88e | 844 | } |
0f2d19dd JB |
845 | } |
846 | ||
a587d6a9 AW |
847 | SCM |
848 | scm_array_equal_p (SCM x, SCM y) | |
0f2d19dd | 849 | { |
a587d6a9 AW |
850 | scm_t_array_handle hx, hy; |
851 | SCM res; | |
852 | ||
853 | scm_array_get_handle (x, &hx); | |
854 | scm_array_get_handle (y, &hy); | |
855 | ||
856 | res = scm_from_bool (hx.ndims == hy.ndims | |
857 | && hx.element_type == hy.element_type); | |
3ffd1ba9 | 858 | |
a587d6a9 AW |
859 | if (scm_is_true (res)) |
860 | res = scm_from_bool (array_compare (&hx, &hy, 0, 0, 0)); | |
0f2d19dd | 861 | |
a587d6a9 AW |
862 | scm_array_handle_release (&hy); |
863 | scm_array_handle_release (&hx); | |
1cc91f1b | 864 | |
a587d6a9 | 865 | return res; |
0f2d19dd JB |
866 | } |
867 | ||
f1d19308 | 868 | static SCM scm_i_array_equal_p (SCM, SCM, SCM); |
31d845b4 AW |
869 | SCM_DEFINE (scm_i_array_equal_p, "array-equal?", 0, 2, 1, |
870 | (SCM ra0, SCM ra1, SCM rest), | |
1e6808ea MG |
871 | "Return @code{#t} iff all arguments are arrays with the same\n" |
872 | "shape, the same type, and have corresponding elements which are\n" | |
873 | "either @code{equal?} or @code{array-equal?}. This function\n" | |
a587d6a9 | 874 | "differs from @code{equal?} in that all arguments must be arrays.") |
31d845b4 AW |
875 | #define FUNC_NAME s_scm_i_array_equal_p |
876 | { | |
877 | if (SCM_UNBNDP (ra0) || SCM_UNBNDP (ra1)) | |
878 | return SCM_BOOL_T; | |
879 | ||
880 | while (!scm_is_null (rest)) | |
8a1f4f98 | 881 | { if (scm_is_false (scm_array_equal_p (ra0, ra1))) |
31d845b4 | 882 | return SCM_BOOL_F; |
8a1f4f98 AW |
883 | ra0 = ra1; |
884 | ra1 = scm_car (rest); | |
31d845b4 AW |
885 | rest = scm_cdr (rest); |
886 | } | |
887 | return scm_array_equal_p (ra0, ra1); | |
0f981281 | 888 | } |
4079f87e | 889 | #undef FUNC_NAME |
0f2d19dd | 890 | |
1cc91f1b | 891 | |
0f2d19dd | 892 | void |
5d1b3b2d | 893 | scm_init_array_map (void) |
0f2d19dd | 894 | { |
5d1b3b2d | 895 | #include "libguile/array-map.x" |
1bbd0b84 | 896 | scm_add_feature (s_scm_array_for_each); |
0f2d19dd | 897 | } |
89e00824 ML |
898 | |
899 | /* | |
900 | Local Variables: | |
901 | c-file-style: "gnu" | |
902 | End: | |
903 | */ |