1 /* Copyright (C) 1996,1998,2000,2001,2004,2005, 2006, 2008 Free Software Foundation, Inc.
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
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
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 Someone should rename this to arraymap.c; that would reflect the
31 #include "libguile/_scm.h"
32 #include "libguile/strings.h"
33 #include "libguile/unif.h"
34 #include "libguile/smob.h"
35 #include "libguile/chars.h"
36 #include "libguile/eq.h"
37 #include "libguile/eval.h"
38 #include "libguile/feature.h"
39 #include "libguile/root.h"
40 #include "libguile/vectors.h"
41 #include "libguile/srfi-4.h"
42 #include "libguile/dynwind.h"
44 #include "libguile/validate.h"
45 #include "libguile/ramap.h"
56 /* These tables are a kluge that will not scale well when more
57 * vectorized subrs are added. It is tempting to steal some bits from
58 * the SCM_CAR of all subrs (like those selected by SCM_SMOBNUM) to hold an
59 * offset into a table of vectorized subrs.
62 static ra_iproc ra_rpsubrs
[] =
64 {"=", SCM_UNDEFINED
, scm_ra_eqp
},
65 {"<", SCM_UNDEFINED
, scm_ra_lessp
},
66 {"<=", SCM_UNDEFINED
, scm_ra_leqp
},
67 {">", SCM_UNDEFINED
, scm_ra_grp
},
68 {">=", SCM_UNDEFINED
, scm_ra_greqp
},
72 static ra_iproc ra_asubrs
[] =
74 {"+", SCM_UNDEFINED
, scm_ra_sum
},
75 {"-", SCM_UNDEFINED
, scm_ra_difference
},
76 {"*", SCM_UNDEFINED
, scm_ra_product
},
77 {"/", SCM_UNDEFINED
, scm_ra_divide
},
82 #define GVREF scm_c_generalized_vector_ref
83 #define GVSET scm_c_generalized_vector_set_x
86 cind (SCM ra
, long *ve
)
90 if (!SCM_I_ARRAYP (ra
))
92 i
= SCM_I_ARRAY_BASE (ra
);
93 for (k
= 0; k
< SCM_I_ARRAY_NDIM (ra
); k
++)
94 i
+= (ve
[k
] - SCM_I_ARRAY_DIMS (ra
)[k
].lbnd
) * SCM_I_ARRAY_DIMS (ra
)[k
].inc
;
99 /* Checker for scm_array mapping functions:
100 return values: 4 --> shapes, increments, and bases are the same;
101 3 --> shapes and increments are the same;
102 2 --> shapes are the same;
103 1 --> ras are at least as big as ra0;
108 scm_ra_matchp (SCM ra0
, SCM ras
)
111 scm_t_array_dim dims
;
112 scm_t_array_dim
*s0
= &dims
;
114 unsigned long bas0
= 0;
116 int exact
= 2 /* 4 */ ; /* Don't care about values >2 (yet?) */
118 if (scm_is_generalized_vector (ra0
))
122 s0
->ubnd
= scm_c_generalized_vector_length (ra0
) - 1;
124 else if (SCM_I_ARRAYP (ra0
))
126 ndim
= SCM_I_ARRAY_NDIM (ra0
);
127 s0
= SCM_I_ARRAY_DIMS (ra0
);
128 bas0
= SCM_I_ARRAY_BASE (ra0
);
133 while (SCM_NIMP (ras
))
137 if (scm_is_generalized_vector (ra1
))
144 length
= scm_c_generalized_vector_length (ra1
);
155 if ((0 == s0
->lbnd
) && (s0
->ubnd
== length
- 1))
159 if (s0
->lbnd
< 0 || s0
->ubnd
>= length
)
163 else if (SCM_I_ARRAYP (ra1
) && ndim
== SCM_I_ARRAY_NDIM (ra1
))
165 s1
= SCM_I_ARRAY_DIMS (ra1
);
166 if (bas0
!= SCM_I_ARRAY_BASE (ra1
))
168 for (i
= 0; i
< ndim
; i
++)
173 if (s0
[i
].inc
!= s1
[i
].inc
)
176 if (s0
[i
].lbnd
== s1
[i
].lbnd
&& s0
[i
].ubnd
== s1
[i
].ubnd
)
180 if (s0
[i
].lbnd
< s1
[i
].lbnd
|| s0
[i
].ubnd
> s1
[i
].ubnd
)
181 return (s0
[i
].lbnd
<= s0
[i
].ubnd
? 0 : 1);
193 /* array mapper: apply cproc to each dimension of the given arrays?.
194 int (*cproc) (); procedure to call on unrolled arrays?
195 cproc (dest, source list) or
196 cproc (dest, data, source list).
197 SCM data; data to give to cproc or unbound.
198 SCM ra0; destination array.
199 SCM lra; list of source arrays.
200 const char *what; caller, for error reporting. */
202 scm_ramapc (int (*cproc
)(), SCM data
, SCM ra0
, SCM lra
, const char *what
)
209 switch (scm_ra_matchp (ra0
, lra
))
213 scm_misc_error (what
, "array shape mismatch: ~S", scm_list_1 (ra0
));
216 case 4: /* Try unrolling arrays */
217 kmax
= (SCM_I_ARRAYP (ra0
) ? SCM_I_ARRAY_NDIM (ra0
) - 1 : 0);
220 vra0
= scm_array_contents (ra0
, SCM_UNDEFINED
);
221 if (SCM_IMP (vra0
)) goto gencase
;
222 if (!SCM_I_ARRAYP (vra0
))
224 size_t length
= scm_c_generalized_vector_length (vra0
);
225 vra1
= scm_i_make_ra (1, 0);
226 SCM_I_ARRAY_BASE (vra1
) = 0;
227 SCM_I_ARRAY_DIMS (vra1
)->lbnd
= 0;
228 SCM_I_ARRAY_DIMS (vra1
)->ubnd
= length
- 1;
229 SCM_I_ARRAY_DIMS (vra1
)->inc
= 1;
230 SCM_I_ARRAY_V (vra1
) = vra0
;
235 for (z
= lra
; SCM_NIMP (z
); z
= SCM_CDR (z
))
238 vra1
= scm_i_make_ra (1, 0);
239 SCM_I_ARRAY_DIMS (vra1
)->lbnd
= SCM_I_ARRAY_DIMS (vra0
)->lbnd
;
240 SCM_I_ARRAY_DIMS (vra1
)->ubnd
= SCM_I_ARRAY_DIMS (vra0
)->ubnd
;
241 if (!SCM_I_ARRAYP (ra1
))
243 SCM_I_ARRAY_BASE (vra1
) = 0;
244 SCM_I_ARRAY_DIMS (vra1
)->inc
= 1;
245 SCM_I_ARRAY_V (vra1
) = ra1
;
247 else if (!SCM_I_ARRAY_CONTP (ra1
))
251 SCM_I_ARRAY_BASE (vra1
) = SCM_I_ARRAY_BASE (ra1
);
252 SCM_I_ARRAY_DIMS (vra1
)->inc
= SCM_I_ARRAY_DIMS (ra1
)[kmax
].inc
;
253 SCM_I_ARRAY_V (vra1
) = SCM_I_ARRAY_V (ra1
);
255 *plvra
= scm_cons (vra1
, SCM_EOL
);
256 plvra
= SCM_CDRLOC (*plvra
);
258 return (SCM_UNBNDP (data
) ? cproc(vra0
, lvra
) : cproc(vra0
, data
, lvra
));
260 gencase
: /* Have to loop over all dimensions. */
261 vra0
= scm_i_make_ra (1, 0);
262 if (SCM_I_ARRAYP (ra0
))
264 kmax
= SCM_I_ARRAY_NDIM (ra0
) - 1;
267 SCM_I_ARRAY_DIMS (vra0
)->lbnd
= 0;
268 SCM_I_ARRAY_DIMS (vra0
)->ubnd
= 0;
269 SCM_I_ARRAY_DIMS (vra0
)->inc
= 1;
273 SCM_I_ARRAY_DIMS (vra0
)->lbnd
= SCM_I_ARRAY_DIMS (ra0
)[kmax
].lbnd
;
274 SCM_I_ARRAY_DIMS (vra0
)->ubnd
= SCM_I_ARRAY_DIMS (ra0
)[kmax
].ubnd
;
275 SCM_I_ARRAY_DIMS (vra0
)->inc
= SCM_I_ARRAY_DIMS (ra0
)[kmax
].inc
;
277 SCM_I_ARRAY_BASE (vra0
) = SCM_I_ARRAY_BASE (ra0
);
278 SCM_I_ARRAY_V (vra0
) = SCM_I_ARRAY_V (ra0
);
282 size_t length
= scm_c_generalized_vector_length (ra0
);
284 SCM_I_ARRAY_DIMS (vra0
)->lbnd
= 0;
285 SCM_I_ARRAY_DIMS (vra0
)->ubnd
= length
- 1;
286 SCM_I_ARRAY_DIMS (vra0
)->inc
= 1;
287 SCM_I_ARRAY_BASE (vra0
) = 0;
288 SCM_I_ARRAY_V (vra0
) = ra0
;
293 for (z
= lra
; SCM_NIMP (z
); z
= SCM_CDR (z
))
296 vra1
= scm_i_make_ra (1, 0);
297 SCM_I_ARRAY_DIMS (vra1
)->lbnd
= SCM_I_ARRAY_DIMS (vra0
)->lbnd
;
298 SCM_I_ARRAY_DIMS (vra1
)->ubnd
= SCM_I_ARRAY_DIMS (vra0
)->ubnd
;
299 if (SCM_I_ARRAYP (ra1
))
302 SCM_I_ARRAY_DIMS (vra1
)->inc
= SCM_I_ARRAY_DIMS (ra1
)[kmax
].inc
;
303 SCM_I_ARRAY_V (vra1
) = SCM_I_ARRAY_V (ra1
);
307 SCM_I_ARRAY_DIMS (vra1
)->inc
= 1;
308 SCM_I_ARRAY_V (vra1
) = ra1
;
310 *plvra
= scm_cons (vra1
, SCM_EOL
);
311 plvra
= SCM_CDRLOC (*plvra
);
314 scm_dynwind_begin (0);
316 vinds
= scm_malloc (sizeof(long) * SCM_I_ARRAY_NDIM (ra0
));
317 scm_dynwind_free (vinds
);
319 for (k
= 0; k
<= kmax
; k
++)
320 vinds
[k
] = SCM_I_ARRAY_DIMS (ra0
)[k
].lbnd
;
327 SCM_I_ARRAY_BASE (vra0
) = cind (ra0
, vinds
);
328 for (z
= lvra
; SCM_NIMP (z
); z
= SCM_CDR (z
), y
= SCM_CDR (y
))
329 SCM_I_ARRAY_BASE (SCM_CAR (z
)) = cind (SCM_CAR (y
), vinds
);
330 if (0 == (SCM_UNBNDP (data
) ? cproc(vra0
, lvra
) : cproc(vra0
, data
, lvra
)))
335 if (vinds
[k
] < SCM_I_ARRAY_DIMS (ra0
)[k
].ubnd
)
341 vinds
[k
] = SCM_I_ARRAY_DIMS (ra0
)[k
].lbnd
- 1;
352 SCM_DEFINE (scm_array_fill_x
, "array-fill!", 2, 0, 0,
354 "Store @var{fill} in every element of @var{array}. The value returned\n"
356 #define FUNC_NAME s_scm_array_fill_x
358 scm_ramapc (scm_array_fill_int
, fill
, ra
, SCM_EOL
, FUNC_NAME
);
359 return SCM_UNSPECIFIED
;
363 /* to be used as cproc in scm_ramapc to fill an array dimension with
366 scm_array_fill_int (SCM ra
, SCM fill
, SCM ignore SCM_UNUSED
)
367 #define FUNC_NAME s_scm_array_fill_x
370 unsigned long n
= SCM_I_ARRAY_DIMS (ra
)->ubnd
- SCM_I_ARRAY_DIMS (ra
)->lbnd
+ 1;
371 long inc
= SCM_I_ARRAY_DIMS (ra
)->inc
;
372 unsigned long base
= SCM_I_ARRAY_BASE (ra
);
374 ra
= SCM_I_ARRAY_V (ra
);
376 for (i
= base
; n
--; i
+= inc
)
386 racp (SCM src
, SCM dst
)
388 long n
= (SCM_I_ARRAY_DIMS (src
)->ubnd
- SCM_I_ARRAY_DIMS (src
)->lbnd
+ 1);
389 long inc_d
, inc_s
= SCM_I_ARRAY_DIMS (src
)->inc
;
390 unsigned long i_d
, i_s
= SCM_I_ARRAY_BASE (src
);
392 inc_d
= SCM_I_ARRAY_DIMS (dst
)->inc
;
393 i_d
= SCM_I_ARRAY_BASE (dst
);
394 src
= SCM_I_ARRAY_V (src
);
395 dst
= SCM_I_ARRAY_V (dst
);
397 for (; n
-- > 0; i_s
+= inc_s
, i_d
+= inc_d
)
398 GVSET (dst
, i_d
, GVREF (src
, i_s
));
402 SCM_REGISTER_PROC(s_array_copy_in_order_x
, "array-copy-in-order!", 2, 0, 0, scm_array_copy_x
);
405 SCM_DEFINE (scm_array_copy_x
, "array-copy!", 2, 0, 0,
407 "@deffnx {Scheme Procedure} array-copy-in-order! src dst\n"
408 "Copy every element from vector or array @var{source} to the\n"
409 "corresponding element of @var{destination}. @var{destination} must have\n"
410 "the same rank as @var{source}, and be at least as large in each\n"
411 "dimension. The order is unspecified.")
412 #define FUNC_NAME s_scm_array_copy_x
414 scm_ramapc (racp
, SCM_UNDEFINED
, src
, scm_cons (dst
, SCM_EOL
), FUNC_NAME
);
415 return SCM_UNSPECIFIED
;
419 /* Functions callable by ARRAY-MAP! */
423 scm_ra_eqp (SCM ra0
, SCM ras
)
425 SCM ra1
= SCM_CAR (ras
), ra2
= SCM_CAR (SCM_CDR (ras
));
426 scm_t_array_handle ra0_handle
;
427 scm_t_array_dim
*ra0_dims
;
431 unsigned long i1
= SCM_I_ARRAY_BASE (ra1
), i2
= SCM_I_ARRAY_BASE (ra2
);
432 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
433 long inc2
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
434 ra1
= SCM_I_ARRAY_V (ra1
);
435 ra2
= SCM_I_ARRAY_V (ra2
);
437 scm_array_get_handle (ra0
, &ra0_handle
);
438 ra0_dims
= scm_array_handle_dims (&ra0_handle
);
439 n
= ra0_dims
[0].ubnd
- ra0_dims
[0].lbnd
+ 1;
440 inc0
= ra0_dims
[0].inc
;
443 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
, i2
+= inc2
)
444 if (scm_is_true (scm_array_handle_ref (&ra0_handle
, i0
)))
445 if (!scm_is_eq (GVREF (ra1
, i1
), GVREF (ra2
, i2
)))
446 scm_array_handle_set (&ra0_handle
, i0
, SCM_BOOL_F
);
449 scm_array_handle_release (&ra0_handle
);
453 /* opt 0 means <, nonzero means >= */
456 ra_compare (SCM ra0
, SCM ra1
, SCM ra2
, int opt
)
458 scm_t_array_handle ra0_handle
;
459 scm_t_array_dim
*ra0_dims
;
463 unsigned long i1
= SCM_I_ARRAY_BASE (ra1
), i2
= SCM_I_ARRAY_BASE (ra2
);
464 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
465 long inc2
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
466 ra1
= SCM_I_ARRAY_V (ra1
);
467 ra2
= SCM_I_ARRAY_V (ra2
);
469 scm_array_get_handle (ra0
, &ra0_handle
);
470 ra0_dims
= scm_array_handle_dims (&ra0_handle
);
471 n
= ra0_dims
[0].ubnd
- ra0_dims
[0].lbnd
+ 1;
472 inc0
= ra0_dims
[0].inc
;
475 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
, i2
+= inc2
)
476 if (scm_is_true (scm_array_handle_ref (&ra0_handle
, i0
)))
478 scm_is_true (scm_less_p (GVREF (ra1
, i1
), GVREF (ra2
, i2
))) :
479 scm_is_false (scm_less_p (GVREF (ra1
, i1
), GVREF (ra2
, i2
))))
480 scm_array_handle_set (&ra0_handle
, i0
, SCM_BOOL_F
);
483 scm_array_handle_release (&ra0_handle
);
490 scm_ra_lessp (SCM ra0
, SCM ras
)
492 return ra_compare (ra0
, SCM_CAR (ras
), SCM_CAR (SCM_CDR (ras
)), 0);
497 scm_ra_leqp (SCM ra0
, SCM ras
)
499 return ra_compare (ra0
, SCM_CAR (SCM_CDR (ras
)), SCM_CAR (ras
), 1);
504 scm_ra_grp (SCM ra0
, SCM ras
)
506 return ra_compare (ra0
, SCM_CAR (SCM_CDR (ras
)), SCM_CAR (ras
), 0);
511 scm_ra_greqp (SCM ra0
, SCM ras
)
513 return ra_compare (ra0
, SCM_CAR (ras
), SCM_CAR (SCM_CDR (ras
)), 1);
518 scm_ra_sum (SCM ra0
, SCM ras
)
520 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra0
)->lbnd
+ 1;
521 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
);
522 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
;
523 ra0
= SCM_I_ARRAY_V (ra0
);
524 if (!scm_is_null(ras
))
526 SCM ra1
= SCM_CAR (ras
);
527 unsigned long i1
= SCM_I_ARRAY_BASE (ra1
);
528 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
529 ra1
= SCM_I_ARRAY_V (ra1
);
530 switch (SCM_TYP7 (ra0
) == SCM_TYP7 (ra1
) ? SCM_TYP7 (ra0
) : 0)
534 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
535 GVSET (ra0
, i0
, scm_sum (GVREF(ra0
, i0
), GVREF(ra1
, i1
)));
546 scm_ra_difference (SCM ra0
, SCM ras
)
548 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra0
)->lbnd
+ 1;
549 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
);
550 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
;
551 ra0
= SCM_I_ARRAY_V (ra0
);
552 if (scm_is_null (ras
))
554 switch (SCM_TYP7 (ra0
))
558 for (; n
-- > 0; i0
+= inc0
)
559 GVSET (ra0
, i0
, scm_difference (GVREF(ra0
, i0
), SCM_UNDEFINED
));
566 SCM ra1
= SCM_CAR (ras
);
567 unsigned long i1
= SCM_I_ARRAY_BASE (ra1
);
568 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
569 ra1
= SCM_I_ARRAY_V (ra1
);
570 switch (SCM_TYP7 (ra0
) == SCM_TYP7 (ra1
) ? SCM_TYP7 (ra0
) : 0)
574 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
575 GVSET (ra0
, i0
, scm_difference (GVREF (ra0
, i0
),
587 scm_ra_product (SCM ra0
, SCM ras
)
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
);
593 if (!scm_is_null (ras
))
595 SCM ra1
= SCM_CAR (ras
);
596 unsigned long i1
= SCM_I_ARRAY_BASE (ra1
);
597 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
598 ra1
= SCM_I_ARRAY_V (ra1
);
599 switch (SCM_TYP7 (ra0
) == SCM_TYP7 (ra1
) ? SCM_TYP7 (ra0
) : 0)
603 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
604 GVSET (ra0
, i0
, scm_product (GVREF (ra0
, i0
),
614 scm_ra_divide (SCM ra0
, SCM ras
)
616 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra0
)->lbnd
+ 1;
617 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
);
618 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
;
619 ra0
= SCM_I_ARRAY_V (ra0
);
620 if (scm_is_null (ras
))
622 switch (SCM_TYP7 (ra0
))
626 for (; n
-- > 0; i0
+= inc0
)
627 GVSET (ra0
, i0
, scm_divide (GVREF (ra0
, i0
), SCM_UNDEFINED
));
634 SCM ra1
= SCM_CAR (ras
);
635 unsigned long i1
= SCM_I_ARRAY_BASE (ra1
);
636 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
637 ra1
= SCM_I_ARRAY_V (ra1
);
638 switch (SCM_TYP7 (ra0
) == SCM_TYP7 (ra1
) ? SCM_TYP7 (ra0
) : 0)
642 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
644 SCM res
= scm_divide (GVREF (ra0
, i0
),
646 GVSET (ra0
, i0
, res
);
657 scm_array_identity (SCM dst
, SCM src
)
659 return racp (SCM_CAR (src
), scm_cons (dst
, SCM_EOL
));
665 ramap (SCM ra0
, SCM proc
, SCM ras
)
667 long i
= SCM_I_ARRAY_DIMS (ra0
)->lbnd
;
668 long inc
= SCM_I_ARRAY_DIMS (ra0
)->inc
;
669 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
;
670 long base
= SCM_I_ARRAY_BASE (ra0
) - i
* inc
;
671 ra0
= SCM_I_ARRAY_V (ra0
);
672 if (scm_is_null (ras
))
674 GVSET (ra0
, i
*inc
+base
, scm_call_0 (proc
));
677 SCM ra1
= SCM_CAR (ras
);
679 unsigned long k
, i1
= SCM_I_ARRAY_BASE (ra1
);
680 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
681 ra1
= SCM_I_ARRAY_V (ra1
);
683 if (scm_is_null(ras
))
686 ras
= scm_vector (ras
);
688 for (; i
<= n
; i
++, i1
+= inc1
)
691 for (k
= scm_c_vector_length (ras
); k
--;)
692 args
= scm_cons (GVREF (scm_c_vector_ref (ras
, k
), i
), args
);
693 args
= scm_cons (GVREF (ra1
, i1
), args
);
694 GVSET (ra0
, i
*inc
+base
, scm_apply_0 (proc
, args
));
702 ramap_dsubr (SCM ra0
, SCM proc
, SCM ras
)
704 SCM ra1
= SCM_CAR (ras
);
705 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
), i1
= SCM_I_ARRAY_BASE (ra1
);
706 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
, inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
707 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra1
)->lbnd
+ 1;
708 ra0
= SCM_I_ARRAY_V (ra0
);
709 ra1
= SCM_I_ARRAY_V (ra1
);
710 switch (SCM_TYP7 (ra0
))
713 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
714 GVSET (ra0
, i0
, scm_call_1 (proc
, GVREF (ra1
, i1
)));
723 ramap_rp (SCM ra0
, SCM proc
, SCM ras
)
725 SCM ra1
= SCM_CAR (ras
), ra2
= SCM_CAR (SCM_CDR (ras
));
726 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra0
)->lbnd
+ 1;
727 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
), i1
= SCM_I_ARRAY_BASE (ra1
), i2
= SCM_I_ARRAY_BASE (ra2
);
728 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
;
729 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
730 long inc2
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
731 ra0
= SCM_I_ARRAY_V (ra0
);
732 ra1
= SCM_I_ARRAY_V (ra1
);
733 ra2
= SCM_I_ARRAY_V (ra2
);
735 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
, i2
+= inc2
)
736 if (scm_is_true (scm_c_bitvector_ref (ra0
, i0
)))
737 if (scm_is_false (SCM_SUBRF (proc
) (GVREF (ra1
, i1
), GVREF (ra2
, i2
))))
738 scm_c_bitvector_set_x (ra0
, i0
, SCM_BOOL_F
);
746 ramap_1 (SCM ra0
, SCM proc
, SCM ras
)
748 SCM ra1
= SCM_CAR (ras
);
749 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra0
)->lbnd
+ 1;
750 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
), i1
= SCM_I_ARRAY_BASE (ra1
);
751 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
, inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
752 ra0
= SCM_I_ARRAY_V (ra0
);
753 ra1
= SCM_I_ARRAY_V (ra1
);
754 if (scm_tc7_vector
== SCM_TYP7 (ra0
) || scm_tc7_wvect
== SCM_TYP7 (ra0
))
755 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
756 GVSET (ra0
, i0
, SCM_SUBRF (proc
) (GVREF (ra1
, i1
)));
758 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
759 GVSET (ra0
, i0
, SCM_SUBRF (proc
) (GVREF (ra1
, i1
)));
766 ramap_2o (SCM ra0
, SCM proc
, SCM ras
)
768 SCM ra1
= SCM_CAR (ras
);
769 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra0
)->lbnd
+ 1;
770 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
), i1
= SCM_I_ARRAY_BASE (ra1
);
771 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
, inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
772 ra0
= SCM_I_ARRAY_V (ra0
);
773 ra1
= SCM_I_ARRAY_V (ra1
);
775 if (scm_is_null (ras
))
777 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
778 GVSET (ra0
, i0
, SCM_SUBRF (proc
) (GVREF (ra1
, i1
), SCM_UNDEFINED
));
782 SCM ra2
= SCM_CAR (ras
);
783 unsigned long i2
= SCM_I_ARRAY_BASE (ra2
);
784 long inc2
= SCM_I_ARRAY_DIMS (ra2
)->inc
;
785 ra2
= SCM_I_ARRAY_V (ra2
);
786 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
, i2
+= inc2
)
787 GVSET (ra0
, i0
, SCM_SUBRF (proc
) (GVREF (ra1
, i1
), GVREF (ra2
, i2
)));
795 ramap_a (SCM ra0
, SCM proc
, SCM ras
)
797 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra0
)->lbnd
+ 1;
798 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
);
799 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
;
800 ra0
= SCM_I_ARRAY_V (ra0
);
801 if (scm_is_null (ras
))
802 for (; n
-- > 0; i0
+= inc0
)
803 GVSET (ra0
, i0
, SCM_SUBRF (proc
) (GVREF (ra0
, i0
), SCM_UNDEFINED
));
806 SCM ra1
= SCM_CAR (ras
);
807 unsigned long i1
= SCM_I_ARRAY_BASE (ra1
);
808 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
809 ra1
= SCM_I_ARRAY_V (ra1
);
810 for (; n
-- > 0; i0
+= inc0
, i1
+= inc1
)
811 GVSET (ra0
, i0
, SCM_SUBRF (proc
) (GVREF (ra0
, i0
), GVREF (ra1
, i1
)));
817 SCM_REGISTER_PROC(s_array_map_in_order_x
, "array-map-in-order!", 2, 0, 1, scm_array_map_x
);
819 SCM_SYMBOL (sym_b
, "b");
821 SCM_DEFINE (scm_array_map_x
, "array-map!", 2, 0, 1,
822 (SCM ra0
, SCM proc
, SCM lra
),
823 "@deffnx {Scheme Procedure} array-map-in-order! ra0 proc . lra\n"
824 "@var{array1}, @dots{} must have the same number of dimensions as\n"
825 "@var{array0} and have a range for each index which includes the range\n"
826 "for the corresponding index in @var{array0}. @var{proc} is applied to\n"
827 "each tuple of elements of @var{array1} @dots{} and the result is stored\n"
828 "as the corresponding element in @var{array0}. The value returned is\n"
829 "unspecified. The order of application is unspecified.")
830 #define FUNC_NAME s_scm_array_map_x
832 SCM_VALIDATE_PROC (2, proc
);
833 SCM_VALIDATE_REST_ARGUMENT (lra
);
835 switch (SCM_TYP7 (proc
))
839 scm_ramapc (ramap
, proc
, ra0
, lra
, FUNC_NAME
);
840 return SCM_UNSPECIFIED
;
842 if (! scm_is_pair (lra
))
843 SCM_WRONG_NUM_ARGS (); /* need 1 source */
844 scm_ramapc (ramap_1
, proc
, ra0
, lra
, FUNC_NAME
);
845 return SCM_UNSPECIFIED
;
847 if (! (scm_is_pair (lra
) && scm_is_pair (SCM_CDR (lra
))))
848 SCM_WRONG_NUM_ARGS (); /* need 2 sources */
850 case scm_tc7_subr_2o
:
851 if (! scm_is_pair (lra
))
852 SCM_WRONG_NUM_ARGS (); /* need 1 source */
854 scm_ramapc (ramap_2o
, proc
, ra0
, lra
, FUNC_NAME
);
855 return SCM_UNSPECIFIED
;
857 if (! scm_is_pair (lra
))
858 SCM_WRONG_NUM_ARGS (); /* need 1 source */
859 scm_ramapc (ramap_dsubr
, proc
, ra0
, lra
, FUNC_NAME
);
860 return SCM_UNSPECIFIED
;
864 if (!scm_is_typed_array (ra0
, sym_b
))
866 scm_array_fill_x (ra0
, SCM_BOOL_T
);
867 for (p
= ra_rpsubrs
; p
->name
; p
++)
868 if (scm_is_eq (proc
, p
->sproc
))
870 while (!scm_is_null (lra
) && !scm_is_null (SCM_CDR (lra
)))
872 scm_ramapc (p
->vproc
, SCM_UNDEFINED
, ra0
, lra
, FUNC_NAME
);
875 return SCM_UNSPECIFIED
;
877 while (!scm_is_null (lra
) && !scm_is_null (SCM_CDR (lra
)))
879 scm_ramapc (ramap_rp
, proc
, ra0
, lra
, FUNC_NAME
);
882 return SCM_UNSPECIFIED
;
885 if (scm_is_null (lra
))
887 SCM fill
= SCM_SUBRF (proc
) (SCM_UNDEFINED
, SCM_UNDEFINED
);
888 scm_array_fill_x (ra0
, fill
);
892 SCM tail
, ra1
= SCM_CAR (lra
);
893 SCM v0
= (SCM_I_ARRAYP (ra0
) ? SCM_I_ARRAY_V (ra0
) : ra0
);
895 /* Check to see if order might matter.
896 This might be an argument for a separate
898 if (scm_is_eq (v0
, ra1
)
899 || (SCM_I_ARRAYP (ra1
) && scm_is_eq (v0
, SCM_I_ARRAY_V (ra1
))))
900 if (!scm_is_eq (ra0
, ra1
)
901 || (SCM_I_ARRAYP(ra0
) && !SCM_I_ARRAY_CONTP(ra0
)))
903 for (tail
= SCM_CDR (lra
); !scm_is_null (tail
); tail
= SCM_CDR (tail
))
905 ra1
= SCM_CAR (tail
);
906 if (scm_is_eq (v0
, ra1
)
907 || (SCM_I_ARRAYP (ra1
) && scm_is_eq (v0
, SCM_I_ARRAY_V (ra1
))))
910 for (p
= ra_asubrs
; p
->name
; p
++)
911 if (scm_is_eq (proc
, p
->sproc
))
913 if (!scm_is_eq (ra0
, SCM_CAR (lra
)))
914 scm_ramapc (scm_array_identity
, SCM_UNDEFINED
, ra0
, scm_cons (SCM_CAR (lra
), SCM_EOL
), FUNC_NAME
);
918 scm_ramapc (p
->vproc
, SCM_UNDEFINED
, ra0
, lra
, FUNC_NAME
);
919 if (SCM_IMP (lra
) || SCM_IMP (SCM_CDR (lra
)))
920 return SCM_UNSPECIFIED
;
924 scm_ramapc (ramap_2o
, proc
, ra0
, lra
, FUNC_NAME
);
927 for (lra
= SCM_CDR (lra
); SCM_NIMP (lra
); lra
= SCM_CDR (lra
))
928 scm_ramapc (ramap_a
, proc
, ra0
, lra
, FUNC_NAME
);
930 return SCM_UNSPECIFIED
;
937 rafe (SCM ra0
, SCM proc
, SCM ras
)
939 long i
= SCM_I_ARRAY_DIMS (ra0
)->lbnd
;
940 unsigned long i0
= SCM_I_ARRAY_BASE (ra0
);
941 long inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
;
942 long n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
;
943 ra0
= SCM_I_ARRAY_V (ra0
);
944 if (scm_is_null (ras
))
945 for (; i
<= n
; i
++, i0
+= inc0
)
946 scm_call_1 (proc
, GVREF (ra0
, i0
));
949 SCM ra1
= SCM_CAR (ras
);
951 unsigned long k
, i1
= SCM_I_ARRAY_BASE (ra1
);
952 long inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
953 ra1
= SCM_I_ARRAY_V (ra1
);
955 if (scm_is_null(ras
))
958 ras
= scm_vector (ras
);
959 for (; i
<= n
; i
++, i0
+= inc0
, i1
+= inc1
)
962 for (k
= scm_c_vector_length (ras
); k
--;)
963 args
= scm_cons (GVREF (scm_c_vector_ref (ras
, k
), i
), args
);
964 args
= scm_cons2 (GVREF (ra0
, i0
), GVREF (ra1
, i1
), args
);
965 scm_apply_0 (proc
, args
);
972 SCM_DEFINE (scm_array_for_each
, "array-for-each", 2, 0, 1,
973 (SCM proc
, SCM ra0
, SCM lra
),
974 "Apply @var{proc} to each tuple of elements of @var{array0} @dots{}\n"
975 "in row-major order. The value returned is unspecified.")
976 #define FUNC_NAME s_scm_array_for_each
978 SCM_VALIDATE_PROC (1, proc
);
979 SCM_VALIDATE_REST_ARGUMENT (lra
);
980 scm_ramapc (rafe
, proc
, ra0
, lra
, FUNC_NAME
);
981 return SCM_UNSPECIFIED
;
985 SCM_DEFINE (scm_array_index_map_x
, "array-index-map!", 2, 0, 0,
987 "Apply @var{proc} to the indices of each element of @var{array} in\n"
988 "turn, storing the result in the corresponding element. The value\n"
989 "returned and the order of application are unspecified.\n\n"
990 "One can implement @var{array-indexes} as\n"
992 "(define (array-indexes array)\n"
993 " (let ((ra (apply make-array #f (array-shape array))))\n"
994 " (array-index-map! ra (lambda x x))\n"
999 "(define (apl:index-generator n)\n"
1000 " (let ((v (make-uniform-vector n 1)))\n"
1001 " (array-index-map! v (lambda (i) i))\n"
1004 #define FUNC_NAME s_scm_array_index_map_x
1007 SCM_VALIDATE_PROC (2, proc
);
1009 if (SCM_I_ARRAYP (ra
))
1012 int j
, k
, kmax
= SCM_I_ARRAY_NDIM (ra
) - 1;
1016 return scm_array_set_x (ra
, scm_call_0 (proc
), SCM_EOL
);
1018 scm_dynwind_begin (0);
1020 vinds
= scm_malloc (sizeof(long) * SCM_I_ARRAY_NDIM (ra
));
1021 scm_dynwind_free (vinds
);
1023 for (k
= 0; k
<= kmax
; k
++)
1024 vinds
[k
] = SCM_I_ARRAY_DIMS (ra
)[k
].lbnd
;
1030 vinds
[k
] = SCM_I_ARRAY_DIMS (ra
)[k
].lbnd
;
1031 i
= cind (ra
, vinds
);
1032 for (; vinds
[k
] <= SCM_I_ARRAY_DIMS (ra
)[k
].ubnd
; vinds
[k
]++)
1034 for (j
= kmax
+ 1, args
= SCM_EOL
; j
--;)
1035 args
= scm_cons (scm_from_long (vinds
[j
]), args
);
1036 GVSET (SCM_I_ARRAY_V (ra
), i
, scm_apply_0 (proc
, args
));
1037 i
+= SCM_I_ARRAY_DIMS (ra
)[k
].inc
;
1042 if (vinds
[k
] < SCM_I_ARRAY_DIMS (ra
)[k
].ubnd
)
1048 vinds
[k
] = SCM_I_ARRAY_DIMS (ra
)[k
].lbnd
- 1;
1054 return SCM_UNSPECIFIED
;
1056 else if (scm_is_generalized_vector (ra
))
1058 size_t length
= scm_c_generalized_vector_length (ra
);
1059 for (i
= 0; i
< length
; i
++)
1060 GVSET (ra
, i
, scm_call_1 (proc
, scm_from_ulong (i
)));
1061 return SCM_UNSPECIFIED
;
1064 scm_wrong_type_arg_msg (NULL
, 0, ra
, "array");
1070 raeql_1 (SCM ra0
, SCM as_equal
, SCM ra1
)
1072 unsigned long i0
= 0, i1
= 0;
1073 long inc0
= 1, inc1
= 1;
1075 ra1
= SCM_CAR (ra1
);
1076 if (SCM_I_ARRAYP(ra0
))
1078 n
= SCM_I_ARRAY_DIMS (ra0
)->ubnd
- SCM_I_ARRAY_DIMS (ra0
)->lbnd
+ 1;
1079 i0
= SCM_I_ARRAY_BASE (ra0
);
1080 inc0
= SCM_I_ARRAY_DIMS (ra0
)->inc
;
1081 ra0
= SCM_I_ARRAY_V (ra0
);
1084 n
= scm_c_generalized_vector_length (ra0
);
1086 if (SCM_I_ARRAYP (ra1
))
1088 i1
= SCM_I_ARRAY_BASE (ra1
);
1089 inc1
= SCM_I_ARRAY_DIMS (ra1
)->inc
;
1090 ra1
= SCM_I_ARRAY_V (ra1
);
1093 if (scm_is_generalized_vector (ra0
))
1095 for (; n
--; i0
+= inc0
, i1
+= inc1
)
1097 if (scm_is_false (as_equal
))
1099 if (scm_is_false (scm_array_equal_p (GVREF (ra0
, i0
), GVREF (ra1
, i1
))))
1102 else if (scm_is_false (scm_equal_p (GVREF (ra0
, i0
), GVREF (ra1
, i1
))))
1114 raeql (SCM ra0
, SCM as_equal
, SCM ra1
)
1116 SCM v0
= ra0
, v1
= ra1
;
1117 scm_t_array_dim dim0
, dim1
;
1118 scm_t_array_dim
*s0
= &dim0
, *s1
= &dim1
;
1119 unsigned long bas0
= 0, bas1
= 0;
1120 int k
, unroll
= 1, vlen
= 1, ndim
= 1;
1121 if (SCM_I_ARRAYP (ra0
))
1123 ndim
= SCM_I_ARRAY_NDIM (ra0
);
1124 s0
= SCM_I_ARRAY_DIMS (ra0
);
1125 bas0
= SCM_I_ARRAY_BASE (ra0
);
1126 v0
= SCM_I_ARRAY_V (ra0
);
1132 s0
->ubnd
= scm_c_generalized_vector_length (v0
) - 1;
1135 if (SCM_I_ARRAYP (ra1
))
1137 if (ndim
!= SCM_I_ARRAY_NDIM (ra1
))
1139 s1
= SCM_I_ARRAY_DIMS (ra1
);
1140 bas1
= SCM_I_ARRAY_BASE (ra1
);
1141 v1
= SCM_I_ARRAY_V (ra1
);
1146 Huh ? Schizophrenic return type. --hwn
1152 s1
->ubnd
= scm_c_generalized_vector_length (v1
) - 1;
1155 if (SCM_TYP7 (v0
) != SCM_TYP7 (v1
))
1157 for (k
= ndim
; k
--;)
1159 if (s0
[k
].lbnd
!= s1
[k
].lbnd
|| s0
[k
].ubnd
!= s1
[k
].ubnd
)
1163 unroll
= (s0
[k
].inc
== s1
[k
].inc
);
1164 vlen
*= s0
[k
].ubnd
- s1
[k
].lbnd
+ 1;
1167 if (unroll
&& bas0
== bas1
&& scm_is_eq (v0
, v1
))
1169 return scm_ramapc (raeql_1
, as_equal
, ra0
, scm_cons (ra1
, SCM_EOL
), "");
1174 scm_raequal (SCM ra0
, SCM ra1
)
1176 return scm_from_bool(raeql (ra0
, SCM_BOOL_T
, ra1
));
1180 /* GJB:FIXME:: Why not use SCM_DEFINE1 for array-equal? */
1181 SCM_DEFINE1 (scm_array_equal_p
, "array-equal?", scm_tc7_rpsubr
,
1183 "Return @code{#t} iff all arguments are arrays with the same\n"
1184 "shape, the same type, and have corresponding elements which are\n"
1185 "either @code{equal?} or @code{array-equal?}. This function\n"
1186 "differs from @code{equal?} in that a one dimensional shared\n"
1187 "array may be @var{array-equal?} but not @var{equal?} to a\n"
1188 "vector or uniform vector.")
1189 #define FUNC_NAME s_scm_array_equal_p
1195 static char s_array_equal_p
[] = "array-equal?";
1199 scm_array_equal_p (SCM ra0
, SCM ra1
)
1201 if (SCM_I_ARRAYP (ra0
) || SCM_I_ARRAYP (ra1
))
1202 return scm_from_bool(raeql (ra0
, SCM_BOOL_F
, ra1
));
1203 return scm_equal_p (ra0
, ra1
);
1208 init_raprocs (ra_iproc
*subra
)
1210 for (; subra
->name
; subra
++)
1212 SCM sym
= scm_from_locale_symbol (subra
->name
);
1214 scm_sym2var (sym
, scm_current_module_lookup_closure (), SCM_BOOL_F
);
1215 if (var
!= SCM_BOOL_F
)
1216 subra
->sproc
= SCM_VARIABLE_REF (var
);
1218 subra
->sproc
= SCM_BOOL_F
;
1226 init_raprocs (ra_rpsubrs
);
1227 init_raprocs (ra_asubrs
);
1228 scm_c_define_subr (s_array_equal_p
, scm_tc7_rpsubr
, scm_array_equal_p
);
1229 scm_smobs
[SCM_TC2SMOBNUM (scm_i_tc16_array
)].equalp
= scm_raequal
;
1230 #include "libguile/ramap.x"
1231 scm_add_feature (s_scm_array_for_each
);