Commit | Line | Data |
---|---|---|
f1d19308 | 1 | /* Copyright (C) 1996,1998,2000,2001,2004,2005, 2006, 2008, 2009, 2010 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 | ||
368cf54d | 102 | while (SCM_NIMP (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 | |
171 | scm_ramapc (int (*cproc)(), 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 JB |
177 | int k, kmax; |
178 | switch (scm_ra_matchp (ra0, lra)) | |
179 | { | |
180 | default: | |
181 | case 0: | |
9cf5d9b7 | 182 | scm_misc_error (what, "array shape mismatch: ~S", scm_list_1 (ra0)); |
0f2d19dd JB |
183 | case 2: |
184 | case 3: | |
185 | case 4: /* Try unrolling arrays */ | |
04b87de5 | 186 | kmax = (SCM_I_ARRAYP (ra0) ? SCM_I_ARRAY_NDIM (ra0) - 1 : 0); |
0f2d19dd JB |
187 | if (kmax < 0) |
188 | goto gencase; | |
189 | vra0 = scm_array_contents (ra0, SCM_UNDEFINED); | |
ff467021 | 190 | if (SCM_IMP (vra0)) goto gencase; |
04b87de5 | 191 | if (!SCM_I_ARRAYP (vra0)) |
0f2d19dd | 192 | { |
399aba0a | 193 | size_t length = scm_c_generalized_vector_length (vra0); |
66b9d7d3 | 194 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
195 | SCM_I_ARRAY_BASE (vra1) = 0; |
196 | SCM_I_ARRAY_DIMS (vra1)->lbnd = 0; | |
197 | SCM_I_ARRAY_DIMS (vra1)->ubnd = length - 1; | |
198 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
199 | SCM_I_ARRAY_V (vra1) = vra0; | |
0f2d19dd JB |
200 | vra0 = vra1; |
201 | } | |
202 | lvra = SCM_EOL; | |
203 | plvra = &lvra; | |
204 | for (z = lra; SCM_NIMP (z); z = SCM_CDR (z)) | |
205 | { | |
206 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 207 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
208 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
209 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
210 | if (!SCM_I_ARRAYP (ra1)) | |
0f2d19dd | 211 | { |
04b87de5 MV |
212 | SCM_I_ARRAY_BASE (vra1) = 0; |
213 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; | |
214 | SCM_I_ARRAY_V (vra1) = ra1; | |
0f2d19dd | 215 | } |
04b87de5 | 216 | else if (!SCM_I_ARRAY_CONTP (ra1)) |
0f2d19dd JB |
217 | goto gencase; |
218 | else | |
219 | { | |
04b87de5 MV |
220 | SCM_I_ARRAY_BASE (vra1) = SCM_I_ARRAY_BASE (ra1); |
221 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; | |
222 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
223 | } |
224 | *plvra = scm_cons (vra1, SCM_EOL); | |
25d8012c | 225 | plvra = SCM_CDRLOC (*plvra); |
0f2d19dd JB |
226 | } |
227 | return (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra)); | |
228 | case 1: | |
229 | gencase: /* Have to loop over all dimensions. */ | |
66b9d7d3 | 230 | vra0 = scm_i_make_array (1); |
04b87de5 | 231 | if (SCM_I_ARRAYP (ra0)) |
c209c88e | 232 | { |
04b87de5 | 233 | kmax = SCM_I_ARRAY_NDIM (ra0) - 1; |
c209c88e | 234 | if (kmax < 0) |
0f2d19dd | 235 | { |
04b87de5 MV |
236 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
237 | SCM_I_ARRAY_DIMS (vra0)->ubnd = 0; | |
238 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
0f2d19dd | 239 | } |
c209c88e GB |
240 | else |
241 | { | |
04b87de5 MV |
242 | SCM_I_ARRAY_DIMS (vra0)->lbnd = SCM_I_ARRAY_DIMS (ra0)[kmax].lbnd; |
243 | SCM_I_ARRAY_DIMS (vra0)->ubnd = SCM_I_ARRAY_DIMS (ra0)[kmax].ubnd; | |
244 | SCM_I_ARRAY_DIMS (vra0)->inc = SCM_I_ARRAY_DIMS (ra0)[kmax].inc; | |
c209c88e | 245 | } |
04b87de5 MV |
246 | SCM_I_ARRAY_BASE (vra0) = SCM_I_ARRAY_BASE (ra0); |
247 | SCM_I_ARRAY_V (vra0) = SCM_I_ARRAY_V (ra0); | |
c209c88e GB |
248 | } |
249 | else | |
250 | { | |
ee67e2fa | 251 | size_t length = scm_c_generalized_vector_length (ra0); |
c209c88e | 252 | kmax = 0; |
04b87de5 MV |
253 | SCM_I_ARRAY_DIMS (vra0)->lbnd = 0; |
254 | SCM_I_ARRAY_DIMS (vra0)->ubnd = length - 1; | |
255 | SCM_I_ARRAY_DIMS (vra0)->inc = 1; | |
256 | SCM_I_ARRAY_BASE (vra0) = 0; | |
257 | SCM_I_ARRAY_V (vra0) = ra0; | |
c209c88e GB |
258 | ra0 = vra0; |
259 | } | |
260 | lvra = SCM_EOL; | |
261 | plvra = &lvra; | |
262 | for (z = lra; SCM_NIMP (z); z = SCM_CDR (z)) | |
263 | { | |
264 | ra1 = SCM_CAR (z); | |
66b9d7d3 | 265 | vra1 = scm_i_make_array (1); |
04b87de5 MV |
266 | SCM_I_ARRAY_DIMS (vra1)->lbnd = SCM_I_ARRAY_DIMS (vra0)->lbnd; |
267 | SCM_I_ARRAY_DIMS (vra1)->ubnd = SCM_I_ARRAY_DIMS (vra0)->ubnd; | |
268 | if (SCM_I_ARRAYP (ra1)) | |
c209c88e GB |
269 | { |
270 | if (kmax >= 0) | |
04b87de5 MV |
271 | SCM_I_ARRAY_DIMS (vra1)->inc = SCM_I_ARRAY_DIMS (ra1)[kmax].inc; |
272 | SCM_I_ARRAY_V (vra1) = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
273 | } |
274 | else | |
275 | { | |
04b87de5 MV |
276 | SCM_I_ARRAY_DIMS (vra1)->inc = 1; |
277 | SCM_I_ARRAY_V (vra1) = ra1; | |
c209c88e GB |
278 | } |
279 | *plvra = scm_cons (vra1, SCM_EOL); | |
280 | plvra = SCM_CDRLOC (*plvra); | |
281 | } | |
b4b33636 | 282 | |
d66b74dc LC |
283 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra0), |
284 | indices_gc_hint); | |
b4b33636 | 285 | |
c209c88e | 286 | for (k = 0; k <= kmax; k++) |
04b87de5 | 287 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd; |
c209c88e GB |
288 | k = kmax; |
289 | do | |
290 | { | |
291 | if (k == kmax) | |
292 | { | |
293 | SCM y = lra; | |
04b87de5 | 294 | SCM_I_ARRAY_BASE (vra0) = cind (ra0, vinds); |
c209c88e | 295 | for (z = lvra; SCM_NIMP (z); z = SCM_CDR (z), y = SCM_CDR (y)) |
04b87de5 | 296 | SCM_I_ARRAY_BASE (SCM_CAR (z)) = cind (SCM_CAR (y), vinds); |
c209c88e GB |
297 | if (0 == (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra))) |
298 | return 0; | |
299 | k--; | |
300 | continue; | |
301 | } | |
04b87de5 | 302 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra0)[k].ubnd) |
c209c88e GB |
303 | { |
304 | vinds[k]++; | |
305 | k++; | |
306 | continue; | |
307 | } | |
04b87de5 | 308 | vinds[k] = SCM_I_ARRAY_DIMS (ra0)[k].lbnd - 1; |
c209c88e GB |
309 | k--; |
310 | } | |
311 | while (k >= 0); | |
b4b33636 | 312 | |
c209c88e | 313 | return 1; |
0f2d19dd JB |
314 | } |
315 | } | |
316 | ||
317 | ||
3b3b36dd | 318 | SCM_DEFINE (scm_array_fill_x, "array-fill!", 2, 0, 0, |
c209c88e | 319 | (SCM ra, SCM fill), |
8f85c0c6 | 320 | "Store @var{fill} in every element of @var{array}. The value returned\n" |
b380b885 | 321 | "is unspecified.") |
1bbd0b84 | 322 | #define FUNC_NAME s_scm_array_fill_x |
ad310508 | 323 | { |
c209c88e | 324 | scm_ramapc (scm_array_fill_int, fill, ra, SCM_EOL, FUNC_NAME); |
ad310508 MD |
325 | return SCM_UNSPECIFIED; |
326 | } | |
1bbd0b84 | 327 | #undef FUNC_NAME |
ad310508 | 328 | |
5c11cc9d GH |
329 | /* to be used as cproc in scm_ramapc to fill an array dimension with |
330 | "fill". */ | |
0f2d19dd | 331 | int |
e81d98ec | 332 | scm_array_fill_int (SCM ra, SCM fill, SCM ignore SCM_UNUSED) |
1bbd0b84 | 333 | #define FUNC_NAME s_scm_array_fill_x |
0f2d19dd | 334 | { |
c014a02e | 335 | unsigned long i; |
04b87de5 MV |
336 | unsigned long n = SCM_I_ARRAY_DIMS (ra)->ubnd - SCM_I_ARRAY_DIMS (ra)->lbnd + 1; |
337 | long inc = SCM_I_ARRAY_DIMS (ra)->inc; | |
338 | unsigned long base = SCM_I_ARRAY_BASE (ra); | |
5c11cc9d | 339 | |
04b87de5 | 340 | ra = SCM_I_ARRAY_V (ra); |
b4bdadde | 341 | |
afaf9d0b | 342 | for (i = base; n--; i += inc) |
85516012 | 343 | GVSET (ra, i, fill); |
afaf9d0b | 344 | |
0f2d19dd JB |
345 | return 1; |
346 | } | |
1bbd0b84 | 347 | #undef FUNC_NAME |
0f2d19dd | 348 | |
0f2d19dd | 349 | |
c209c88e | 350 | |
0f2d19dd | 351 | static int |
1bbd0b84 | 352 | racp (SCM src, SCM dst) |
0f2d19dd | 353 | { |
04b87de5 MV |
354 | long n = (SCM_I_ARRAY_DIMS (src)->ubnd - SCM_I_ARRAY_DIMS (src)->lbnd + 1); |
355 | long inc_d, inc_s = SCM_I_ARRAY_DIMS (src)->inc; | |
356 | unsigned long i_d, i_s = SCM_I_ARRAY_BASE (src); | |
0f2d19dd | 357 | dst = SCM_CAR (dst); |
04b87de5 MV |
358 | inc_d = SCM_I_ARRAY_DIMS (dst)->inc; |
359 | i_d = SCM_I_ARRAY_BASE (dst); | |
360 | src = SCM_I_ARRAY_V (src); | |
361 | dst = SCM_I_ARRAY_V (dst); | |
c209c88e | 362 | |
399aba0a | 363 | for (; n-- > 0; i_s += inc_s, i_d += inc_d) |
85516012 | 364 | GVSET (dst, i_d, GVREF (src, i_s)); |
0f2d19dd JB |
365 | return 1; |
366 | } | |
367 | ||
1bbd0b84 | 368 | SCM_REGISTER_PROC(s_array_copy_in_order_x, "array-copy-in-order!", 2, 0, 0, scm_array_copy_x); |
1cc91f1b | 369 | |
1bbd0b84 | 370 | |
3b3b36dd | 371 | SCM_DEFINE (scm_array_copy_x, "array-copy!", 2, 0, 0, |
c209c88e | 372 | (SCM src, SCM dst), |
8f85c0c6 NJ |
373 | "@deffnx {Scheme Procedure} array-copy-in-order! src dst\n" |
374 | "Copy every element from vector or array @var{source} to the\n" | |
b380b885 MD |
375 | "corresponding element of @var{destination}. @var{destination} must have\n" |
376 | "the same rank as @var{source}, and be at least as large in each\n" | |
377 | "dimension. The order is unspecified.") | |
1bbd0b84 | 378 | #define FUNC_NAME s_scm_array_copy_x |
0f2d19dd | 379 | { |
c209c88e | 380 | scm_ramapc (racp, SCM_UNDEFINED, src, scm_cons (dst, SCM_EOL), FUNC_NAME); |
0f2d19dd JB |
381 | return SCM_UNSPECIFIED; |
382 | } | |
1bbd0b84 | 383 | #undef FUNC_NAME |
0f2d19dd JB |
384 | |
385 | /* Functions callable by ARRAY-MAP! */ | |
386 | ||
1cc91f1b | 387 | |
0f2d19dd | 388 | int |
1bbd0b84 | 389 | scm_ra_eqp (SCM ra0, SCM ras) |
0f2d19dd JB |
390 | { |
391 | SCM ra1 = SCM_CAR (ras), ra2 = SCM_CAR (SCM_CDR (ras)); | |
fab07c30 MV |
392 | scm_t_array_handle ra0_handle; |
393 | scm_t_array_dim *ra0_dims; | |
394 | size_t n; | |
395 | ssize_t inc0; | |
396 | size_t i0 = 0; | |
397 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
398 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
399 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
400 | ra1 = SCM_I_ARRAY_V (ra1); |
401 | ra2 = SCM_I_ARRAY_V (ra2); | |
fab07c30 MV |
402 | |
403 | scm_array_get_handle (ra0, &ra0_handle); | |
404 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
405 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
406 | inc0 = ra0_dims[0].inc; | |
407 | ||
399aba0a | 408 | { |
399aba0a | 409 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 410 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
85516012 | 411 | if (!scm_is_eq (GVREF (ra1, i1), GVREF (ra2, i2))) |
fab07c30 | 412 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
413 | } |
414 | ||
fab07c30 | 415 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
416 | return 1; |
417 | } | |
418 | ||
419 | /* opt 0 means <, nonzero means >= */ | |
1cc91f1b | 420 | |
0f2d19dd | 421 | static int |
34d19ef6 | 422 | ra_compare (SCM ra0, SCM ra1, SCM ra2, int opt) |
0f2d19dd | 423 | { |
fab07c30 MV |
424 | scm_t_array_handle ra0_handle; |
425 | scm_t_array_dim *ra0_dims; | |
426 | size_t n; | |
427 | ssize_t inc0; | |
428 | size_t i0 = 0; | |
429 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1), i2 = SCM_I_ARRAY_BASE (ra2); | |
04b87de5 MV |
430 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; |
431 | long inc2 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
04b87de5 MV |
432 | ra1 = SCM_I_ARRAY_V (ra1); |
433 | ra2 = SCM_I_ARRAY_V (ra2); | |
399aba0a | 434 | |
fab07c30 MV |
435 | scm_array_get_handle (ra0, &ra0_handle); |
436 | ra0_dims = scm_array_handle_dims (&ra0_handle); | |
437 | n = ra0_dims[0].ubnd - ra0_dims[0].lbnd + 1; | |
438 | inc0 = ra0_dims[0].inc; | |
439 | ||
399aba0a | 440 | { |
399aba0a | 441 | for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2) |
fab07c30 | 442 | if (scm_is_true (scm_array_handle_ref (&ra0_handle, i0))) |
399aba0a | 443 | if (opt ? |
85516012 MV |
444 | scm_is_true (scm_less_p (GVREF (ra1, i1), GVREF (ra2, i2))) : |
445 | scm_is_false (scm_less_p (GVREF (ra1, i1), GVREF (ra2, i2)))) | |
fab07c30 | 446 | scm_array_handle_set (&ra0_handle, i0, SCM_BOOL_F); |
399aba0a MV |
447 | } |
448 | ||
fab07c30 | 449 | scm_array_handle_release (&ra0_handle); |
0f2d19dd JB |
450 | return 1; |
451 | } | |
452 | ||
453 | ||
1cc91f1b | 454 | |
0f2d19dd | 455 | int |
1bbd0b84 | 456 | scm_ra_lessp (SCM ra0, SCM ras) |
0f2d19dd JB |
457 | { |
458 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 0); | |
459 | } | |
460 | ||
1cc91f1b | 461 | |
0f2d19dd | 462 | int |
1bbd0b84 | 463 | scm_ra_leqp (SCM ra0, SCM ras) |
0f2d19dd JB |
464 | { |
465 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 1); | |
466 | } | |
467 | ||
1cc91f1b | 468 | |
0f2d19dd | 469 | int |
1bbd0b84 | 470 | scm_ra_grp (SCM ra0, SCM ras) |
0f2d19dd JB |
471 | { |
472 | return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 0); | |
473 | } | |
474 | ||
1cc91f1b | 475 | |
0f2d19dd | 476 | int |
1bbd0b84 | 477 | scm_ra_greqp (SCM ra0, SCM ras) |
0f2d19dd JB |
478 | { |
479 | return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 1); | |
480 | } | |
481 | ||
482 | ||
0f2d19dd | 483 | int |
1bbd0b84 | 484 | scm_ra_sum (SCM ra0, SCM ras) |
0f2d19dd | 485 | { |
04b87de5 MV |
486 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
487 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
488 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
489 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 490 | if (!scm_is_null(ras)) |
c209c88e GB |
491 | { |
492 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
493 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
494 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
495 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
496 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
497 | { | |
498 | default: | |
0f2d19dd | 499 | { |
c209c88e | 500 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 | 501 | GVSET (ra0, i0, scm_sum (GVREF(ra0, i0), GVREF(ra1, i1))); |
c209c88e GB |
502 | break; |
503 | } | |
c209c88e GB |
504 | } |
505 | } | |
0f2d19dd JB |
506 | return 1; |
507 | } | |
508 | ||
509 | ||
1cc91f1b | 510 | |
0f2d19dd | 511 | int |
1bbd0b84 | 512 | scm_ra_difference (SCM ra0, SCM ras) |
0f2d19dd | 513 | { |
04b87de5 MV |
514 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
515 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
516 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
517 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 518 | if (scm_is_null (ras)) |
c209c88e GB |
519 | { |
520 | switch (SCM_TYP7 (ra0)) | |
521 | { | |
522 | default: | |
523 | { | |
c209c88e | 524 | for (; n-- > 0; i0 += inc0) |
85516012 | 525 | GVSET (ra0, i0, scm_difference (GVREF(ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
526 | break; |
527 | } | |
c209c88e GB |
528 | } |
529 | } | |
0f2d19dd JB |
530 | else |
531 | { | |
532 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
533 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
534 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
535 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
536 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
537 | { | |
538 | default: | |
539 | { | |
0f2d19dd | 540 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 MV |
541 | GVSET (ra0, i0, scm_difference (GVREF (ra0, i0), |
542 | GVREF (ra1, i1))); | |
0f2d19dd JB |
543 | break; |
544 | } | |
0f2d19dd JB |
545 | } |
546 | } | |
547 | return 1; | |
548 | } | |
549 | ||
550 | ||
1cc91f1b | 551 | |
0f2d19dd | 552 | int |
1bbd0b84 | 553 | scm_ra_product (SCM ra0, SCM ras) |
0f2d19dd | 554 | { |
04b87de5 MV |
555 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
556 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
557 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
558 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 559 | if (!scm_is_null (ras)) |
c209c88e GB |
560 | { |
561 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
562 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
563 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
564 | ra1 = SCM_I_ARRAY_V (ra1); | |
c209c88e GB |
565 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
566 | { | |
567 | default: | |
0f2d19dd | 568 | { |
c209c88e | 569 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
85516012 MV |
570 | GVSET (ra0, i0, scm_product (GVREF (ra0, i0), |
571 | GVREF (ra1, i1))); | |
c209c88e | 572 | } |
c209c88e GB |
573 | } |
574 | } | |
0f2d19dd JB |
575 | return 1; |
576 | } | |
577 | ||
1cc91f1b | 578 | |
0f2d19dd | 579 | int |
1bbd0b84 | 580 | scm_ra_divide (SCM ra0, SCM ras) |
0f2d19dd | 581 | { |
04b87de5 MV |
582 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd - SCM_I_ARRAY_DIMS (ra0)->lbnd + 1; |
583 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
584 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
585 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 586 | if (scm_is_null (ras)) |
c209c88e GB |
587 | { |
588 | switch (SCM_TYP7 (ra0)) | |
589 | { | |
590 | default: | |
591 | { | |
c209c88e | 592 | for (; n-- > 0; i0 += inc0) |
85516012 | 593 | GVSET (ra0, i0, scm_divide (GVREF (ra0, i0), SCM_UNDEFINED)); |
c209c88e GB |
594 | break; |
595 | } | |
c209c88e GB |
596 | } |
597 | } | |
0f2d19dd JB |
598 | else |
599 | { | |
600 | SCM ra1 = SCM_CAR (ras); | |
04b87de5 MV |
601 | unsigned long i1 = SCM_I_ARRAY_BASE (ra1); |
602 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
603 | ra1 = SCM_I_ARRAY_V (ra1); | |
0f2d19dd JB |
604 | switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0) |
605 | { | |
606 | default: | |
607 | { | |
0f2d19dd | 608 | for (; n-- > 0; i0 += inc0, i1 += inc1) |
afaf9d0b | 609 | { |
85516012 MV |
610 | SCM res = scm_divide (GVREF (ra0, i0), |
611 | GVREF (ra1, i1)); | |
612 | GVSET (ra0, i0, res); | |
afaf9d0b | 613 | } |
0f2d19dd JB |
614 | break; |
615 | } | |
0f2d19dd JB |
616 | } |
617 | } | |
618 | return 1; | |
619 | } | |
620 | ||
1cc91f1b | 621 | |
0f2d19dd | 622 | int |
1bbd0b84 | 623 | scm_array_identity (SCM dst, SCM src) |
0f2d19dd JB |
624 | { |
625 | return racp (SCM_CAR (src), scm_cons (dst, SCM_EOL)); | |
626 | } | |
627 | ||
628 | ||
1cc91f1b | 629 | |
0f2d19dd | 630 | static int |
34d19ef6 | 631 | ramap (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 632 | { |
04b87de5 MV |
633 | long i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
634 | long inc = SCM_I_ARRAY_DIMS (ra0)->inc; | |
635 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd; | |
636 | long base = SCM_I_ARRAY_BASE (ra0) - i * inc; | |
637 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 638 | if (scm_is_null (ras)) |
c209c88e | 639 | for (; i <= n; i++) |
85516012 | 640 | GVSET (ra0, i*inc+base, scm_call_0 (proc)); |
0f2d19dd JB |
641 | else |
642 | { | |
643 | SCM ra1 = SCM_CAR (ras); | |
34d19ef6 | 644 | SCM args; |
04b87de5 MV |
645 | unsigned long k, i1 = SCM_I_ARRAY_BASE (ra1); |
646 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
647 | ra1 = SCM_I_ARRAY_V (ra1); | |
e7efe8e7 | 648 | ras = scm_vector (SCM_CDR (ras)); |
34d19ef6 | 649 | |
0f2d19dd JB |
650 | for (; i <= n; i++, i1 += inc1) |
651 | { | |
652 | args = SCM_EOL; | |
ee67e2fa | 653 | for (k = scm_c_vector_length (ras); k--;) |
85516012 MV |
654 | args = scm_cons (GVREF (scm_c_vector_ref (ras, k), i), args); |
655 | args = scm_cons (GVREF (ra1, i1), args); | |
656 | GVSET (ra0, i*inc+base, scm_apply_0 (proc, args)); | |
0f2d19dd JB |
657 | } |
658 | } | |
659 | return 1; | |
660 | } | |
661 | ||
1cc91f1b | 662 | |
1bbd0b84 | 663 | SCM_REGISTER_PROC(s_array_map_in_order_x, "array-map-in-order!", 2, 0, 1, scm_array_map_x); |
1cc91f1b | 664 | |
718866aa | 665 | SCM_SYMBOL (sym_b, "b"); |
1bbd0b84 | 666 | |
3b3b36dd | 667 | SCM_DEFINE (scm_array_map_x, "array-map!", 2, 0, 1, |
c209c88e | 668 | (SCM ra0, SCM proc, SCM lra), |
8f85c0c6 | 669 | "@deffnx {Scheme Procedure} array-map-in-order! ra0 proc . lra\n" |
b380b885 MD |
670 | "@var{array1}, @dots{} must have the same number of dimensions as\n" |
671 | "@var{array0} and have a range for each index which includes the range\n" | |
672 | "for the corresponding index in @var{array0}. @var{proc} is applied to\n" | |
673 | "each tuple of elements of @var{array1} @dots{} and the result is stored\n" | |
674 | "as the corresponding element in @var{array0}. The value returned is\n" | |
675 | "unspecified. The order of application is unspecified.") | |
1bbd0b84 | 676 | #define FUNC_NAME s_scm_array_map_x |
0f2d19dd | 677 | { |
34d19ef6 | 678 | SCM_VALIDATE_PROC (2, proc); |
af45e3b0 | 679 | SCM_VALIDATE_REST_ARGUMENT (lra); |
f530e94f | 680 | |
31d845b4 AW |
681 | scm_ramapc (ramap, proc, ra0, lra, FUNC_NAME); |
682 | return SCM_UNSPECIFIED; | |
0f2d19dd | 683 | } |
1bbd0b84 | 684 | #undef FUNC_NAME |
0f2d19dd | 685 | |
1cc91f1b | 686 | |
0f2d19dd | 687 | static int |
34d19ef6 | 688 | rafe (SCM ra0, SCM proc, SCM ras) |
0f2d19dd | 689 | { |
04b87de5 MV |
690 | long i = SCM_I_ARRAY_DIMS (ra0)->lbnd; |
691 | unsigned long i0 = SCM_I_ARRAY_BASE (ra0); | |
692 | long inc0 = SCM_I_ARRAY_DIMS (ra0)->inc; | |
693 | long n = SCM_I_ARRAY_DIMS (ra0)->ubnd; | |
694 | ra0 = SCM_I_ARRAY_V (ra0); | |
d2e53ed6 | 695 | if (scm_is_null (ras)) |
c209c88e | 696 | for (; i <= n; i++, i0 += inc0) |
85516012 | 697 | scm_call_1 (proc, GVREF (ra0, i0)); |
0f2d19dd JB |
698 | else |
699 | { | |
700 | SCM ra1 = SCM_CAR (ras); | |
34d19ef6 | 701 | SCM args; |
04b87de5 MV |
702 | unsigned long k, i1 = SCM_I_ARRAY_BASE (ra1); |
703 | long inc1 = SCM_I_ARRAY_DIMS (ra1)->inc; | |
704 | ra1 = SCM_I_ARRAY_V (ra1); | |
e7efe8e7 AW |
705 | ras = scm_vector (SCM_CDR (ras)); |
706 | ||
0f2d19dd JB |
707 | for (; i <= n; i++, i0 += inc0, i1 += inc1) |
708 | { | |
709 | args = SCM_EOL; | |
ee67e2fa | 710 | for (k = scm_c_vector_length (ras); k--;) |
85516012 MV |
711 | args = scm_cons (GVREF (scm_c_vector_ref (ras, k), i), args); |
712 | args = scm_cons2 (GVREF (ra0, i0), GVREF (ra1, i1), args); | |
fdc28395 | 713 | scm_apply_0 (proc, args); |
0f2d19dd JB |
714 | } |
715 | } | |
716 | return 1; | |
717 | } | |
718 | ||
719 | ||
3b3b36dd | 720 | SCM_DEFINE (scm_array_for_each, "array-for-each", 2, 0, 1, |
c209c88e | 721 | (SCM proc, SCM ra0, SCM lra), |
8f85c0c6 | 722 | "Apply @var{proc} to each tuple of elements of @var{array0} @dots{}\n" |
b380b885 | 723 | "in row-major order. The value returned is unspecified.") |
1bbd0b84 | 724 | #define FUNC_NAME s_scm_array_for_each |
0f2d19dd | 725 | { |
34d19ef6 | 726 | SCM_VALIDATE_PROC (1, proc); |
af45e3b0 | 727 | SCM_VALIDATE_REST_ARGUMENT (lra); |
c209c88e | 728 | scm_ramapc (rafe, proc, ra0, lra, FUNC_NAME); |
0f2d19dd JB |
729 | return SCM_UNSPECIFIED; |
730 | } | |
1bbd0b84 | 731 | #undef FUNC_NAME |
0f2d19dd | 732 | |
3b3b36dd | 733 | SCM_DEFINE (scm_array_index_map_x, "array-index-map!", 2, 0, 0, |
c209c88e | 734 | (SCM ra, SCM proc), |
8f85c0c6 | 735 | "Apply @var{proc} to the indices of each element of @var{array} in\n" |
b380b885 MD |
736 | "turn, storing the result in the corresponding element. The value\n" |
737 | "returned and the order of application are unspecified.\n\n" | |
738 | "One can implement @var{array-indexes} as\n" | |
1e6808ea | 739 | "@lisp\n" |
b380b885 MD |
740 | "(define (array-indexes array)\n" |
741 | " (let ((ra (apply make-array #f (array-shape array))))\n" | |
742 | " (array-index-map! ra (lambda x x))\n" | |
743 | " ra))\n" | |
1e6808ea | 744 | "@end lisp\n" |
b380b885 | 745 | "Another example:\n" |
1e6808ea | 746 | "@lisp\n" |
b380b885 MD |
747 | "(define (apl:index-generator n)\n" |
748 | " (let ((v (make-uniform-vector n 1)))\n" | |
749 | " (array-index-map! v (lambda (i) i))\n" | |
750 | " v))\n" | |
1e6808ea | 751 | "@end lisp") |
1bbd0b84 | 752 | #define FUNC_NAME s_scm_array_index_map_x |
0f2d19dd | 753 | { |
c014a02e | 754 | unsigned long i; |
34d19ef6 | 755 | SCM_VALIDATE_PROC (2, proc); |
399aba0a | 756 | |
5ead53fc | 757 | if (SCM_I_ARRAYP (ra)) |
399aba0a MV |
758 | { |
759 | SCM args = SCM_EOL; | |
04b87de5 | 760 | int j, k, kmax = SCM_I_ARRAY_NDIM (ra) - 1; |
b4b33636 MV |
761 | long *vinds; |
762 | ||
399aba0a MV |
763 | if (kmax < 0) |
764 | return scm_array_set_x (ra, scm_call_0 (proc), SCM_EOL); | |
b4b33636 | 765 | |
d66b74dc LC |
766 | vinds = scm_gc_malloc_pointerless (sizeof(long) * SCM_I_ARRAY_NDIM (ra), |
767 | indices_gc_hint); | |
b4b33636 | 768 | |
399aba0a | 769 | for (k = 0; k <= kmax; k++) |
04b87de5 | 770 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; |
399aba0a MV |
771 | k = kmax; |
772 | do | |
773 | { | |
774 | if (k == kmax) | |
775 | { | |
04b87de5 | 776 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd; |
b4b33636 | 777 | i = cind (ra, vinds); |
04b87de5 | 778 | for (; vinds[k] <= SCM_I_ARRAY_DIMS (ra)[k].ubnd; vinds[k]++) |
399aba0a MV |
779 | { |
780 | for (j = kmax + 1, args = SCM_EOL; j--;) | |
781 | args = scm_cons (scm_from_long (vinds[j]), args); | |
04b87de5 MV |
782 | GVSET (SCM_I_ARRAY_V (ra), i, scm_apply_0 (proc, args)); |
783 | i += SCM_I_ARRAY_DIMS (ra)[k].inc; | |
399aba0a MV |
784 | } |
785 | k--; | |
786 | continue; | |
787 | } | |
04b87de5 | 788 | if (vinds[k] < SCM_I_ARRAY_DIMS (ra)[k].ubnd) |
399aba0a MV |
789 | { |
790 | vinds[k]++; | |
791 | k++; | |
792 | continue; | |
793 | } | |
04b87de5 | 794 | vinds[k] = SCM_I_ARRAY_DIMS (ra)[k].lbnd - 1; |
399aba0a MV |
795 | k--; |
796 | } | |
797 | while (k >= 0); | |
b4b33636 | 798 | |
399aba0a | 799 | return SCM_UNSPECIFIED; |
e42c09cc | 800 | } |
5ead53fc MV |
801 | else if (scm_is_generalized_vector (ra)) |
802 | { | |
803 | size_t length = scm_c_generalized_vector_length (ra); | |
804 | for (i = 0; i < length; i++) | |
805 | GVSET (ra, i, scm_call_1 (proc, scm_from_ulong (i))); | |
806 | return SCM_UNSPECIFIED; | |
807 | } | |
808 | else | |
399aba0a | 809 | scm_wrong_type_arg_msg (NULL, 0, ra, "array"); |
0f2d19dd | 810 | } |
1bbd0b84 | 811 | #undef FUNC_NAME |
0f2d19dd | 812 | |
1cc91f1b | 813 | |
0f2d19dd | 814 | static int |
a587d6a9 AW |
815 | array_compare (scm_t_array_handle *hx, scm_t_array_handle *hy, |
816 | size_t dim, unsigned long posx, unsigned long posy) | |
0f2d19dd | 817 | { |
a587d6a9 AW |
818 | if (dim == scm_array_handle_rank (hx)) |
819 | return scm_is_true (scm_equal_p (scm_array_handle_ref (hx, posx), | |
820 | scm_array_handle_ref (hy, posy))); | |
e466c6a2 | 821 | else |
c209c88e | 822 | { |
a587d6a9 AW |
823 | long incx, incy; |
824 | size_t i; | |
399aba0a | 825 | |
a587d6a9 AW |
826 | if (hx->dims[dim].lbnd != hy->dims[dim].lbnd |
827 | || hx->dims[dim].ubnd != hy->dims[dim].ubnd) | |
828 | return 0; | |
829 | ||
830 | i = hx->dims[dim].ubnd - hx->dims[dim].lbnd + 1; | |
831 | ||
832 | incx = hx->dims[dim].inc; | |
833 | incy = hy->dims[dim].inc; | |
834 | posx += (i - 1) * incx; | |
835 | posy += (i - 1) * incy; | |
836 | ||
837 | for (; i > 0; i--, posx -= incx, posy -= incy) | |
838 | if (!array_compare (hx, hy, dim + 1, posx, posy)) | |
839 | return 0; | |
c209c88e | 840 | return 1; |
c209c88e | 841 | } |
0f2d19dd JB |
842 | } |
843 | ||
a587d6a9 AW |
844 | SCM |
845 | scm_array_equal_p (SCM x, SCM y) | |
0f2d19dd | 846 | { |
a587d6a9 AW |
847 | scm_t_array_handle hx, hy; |
848 | SCM res; | |
849 | ||
850 | scm_array_get_handle (x, &hx); | |
851 | scm_array_get_handle (y, &hy); | |
852 | ||
853 | res = scm_from_bool (hx.ndims == hy.ndims | |
854 | && hx.element_type == hy.element_type); | |
3ffd1ba9 | 855 | |
a587d6a9 AW |
856 | if (scm_is_true (res)) |
857 | res = scm_from_bool (array_compare (&hx, &hy, 0, 0, 0)); | |
0f2d19dd | 858 | |
a587d6a9 AW |
859 | scm_array_handle_release (&hy); |
860 | scm_array_handle_release (&hx); | |
1cc91f1b | 861 | |
a587d6a9 | 862 | return res; |
0f2d19dd JB |
863 | } |
864 | ||
f1d19308 | 865 | static SCM scm_i_array_equal_p (SCM, SCM, SCM); |
31d845b4 AW |
866 | SCM_DEFINE (scm_i_array_equal_p, "array-equal?", 0, 2, 1, |
867 | (SCM ra0, SCM ra1, SCM rest), | |
1e6808ea MG |
868 | "Return @code{#t} iff all arguments are arrays with the same\n" |
869 | "shape, the same type, and have corresponding elements which are\n" | |
870 | "either @code{equal?} or @code{array-equal?}. This function\n" | |
a587d6a9 | 871 | "differs from @code{equal?} in that all arguments must be arrays.") |
31d845b4 AW |
872 | #define FUNC_NAME s_scm_i_array_equal_p |
873 | { | |
874 | if (SCM_UNBNDP (ra0) || SCM_UNBNDP (ra1)) | |
875 | return SCM_BOOL_T; | |
876 | ||
877 | while (!scm_is_null (rest)) | |
8a1f4f98 | 878 | { if (scm_is_false (scm_array_equal_p (ra0, ra1))) |
31d845b4 | 879 | return SCM_BOOL_F; |
8a1f4f98 AW |
880 | ra0 = ra1; |
881 | ra1 = scm_car (rest); | |
31d845b4 AW |
882 | rest = scm_cdr (rest); |
883 | } | |
884 | return scm_array_equal_p (ra0, ra1); | |
0f981281 | 885 | } |
4079f87e | 886 | #undef FUNC_NAME |
0f2d19dd | 887 | |
1cc91f1b | 888 | |
0f2d19dd | 889 | void |
5d1b3b2d | 890 | scm_init_array_map (void) |
0f2d19dd | 891 | { |
a587d6a9 | 892 | scm_smobs[SCM_TC2SMOBNUM (scm_i_tc16_array)].equalp = scm_array_equal_p; |
5d1b3b2d | 893 | #include "libguile/array-map.x" |
1bbd0b84 | 894 | scm_add_feature (s_scm_array_for_each); |
0f2d19dd | 895 | } |
89e00824 ML |
896 | |
897 | /* | |
898 | Local Variables: | |
899 | c-file-style: "gnu" | |
900 | End: | |
901 | */ |