2 * Copyright 2008-2009 Katholieke Universiteit Leuven
3 * Copyright 2010 INRIA Saclay
5 * Use of this software is governed by the GNU LGPLv2.1 license
7 * Written by Sven Verdoolaege, K.U.Leuven, Departement
8 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
9 * and INRIA Saclay - Ile-de-France, Parc Club Orsay Universite,
10 * ZAC des vignes, 4 rue Jacques Monod, 91893 Orsay, France
20 #include "isl_stream.h"
21 #include "isl_map_private.h"
23 #include "isl_polynomial_private.h"
24 #include <isl_union_map.h>
25 #include <isl_mat_private.h>
31 struct variable
*next
;
40 static struct vars
*vars_new(struct isl_ctx
*ctx
)
43 v
= isl_alloc_type(ctx
, struct vars
);
52 static void variable_free(struct variable
*var
)
55 struct variable
*next
= var
->next
;
56 isl_vec_free(var
->def
);
63 static void vars_free(struct vars
*v
)
71 static void vars_drop(struct vars
*v
, int n
)
82 struct variable
*next
= var
->next
;
83 isl_vec_free(var
->def
);
91 static struct variable
*variable_new(struct vars
*v
, const char *name
, int len
,
95 var
= isl_alloc_type(v
->ctx
, struct variable
);
98 var
->name
= strdup(name
);
99 var
->name
[len
] = '\0';
109 static int vars_pos(struct vars
*v
, const char *s
, int len
)
116 for (q
= v
->v
; q
; q
= q
->next
) {
117 if (strncmp(q
->name
, s
, len
) == 0 && q
->name
[len
] == '\0')
124 v
->v
= variable_new(v
, s
, len
, v
->n
);
132 static int vars_add_anon(struct vars
*v
)
134 v
->v
= variable_new(v
, "", 0, v
->n
);
143 static __isl_give isl_basic_map
*set_name(__isl_take isl_basic_map
*bmap
,
144 enum isl_dim_type type
, unsigned pos
, char *name
)
153 prime
= strchr(name
, '\'');
156 bmap
= isl_basic_map_set_dim_name(bmap
, type
, pos
, name
);
163 static int accept_cst_factor(struct isl_stream
*s
, isl_int
*f
)
165 struct isl_token
*tok
;
167 tok
= isl_stream_next_token(s
);
168 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
169 isl_stream_error(s
, tok
, "expecting constant value");
173 isl_int_mul(*f
, *f
, tok
->u
.v
);
177 if (isl_stream_eat_if_available(s
, '*'))
178 return accept_cst_factor(s
, f
);
186 static struct isl_vec
*accept_affine(struct isl_stream
*s
, struct vars
*v
);
187 static int read_div_definition(struct isl_stream
*s
, struct vars
*v
);
189 static __isl_give isl_vec
*accept_affine_factor(struct isl_stream
*s
,
192 struct isl_token
*tok
= NULL
;
195 tok
= isl_stream_next_token(s
);
197 isl_stream_error(s
, NULL
, "unexpected EOF");
200 if (tok
->type
== ISL_TOKEN_IDENT
) {
202 int pos
= vars_pos(v
, tok
->u
.s
, -1);
206 isl_stream_error(s
, tok
, "unknown identifier");
210 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
213 isl_seq_clr(aff
->el
, aff
->size
);
214 isl_int_set_si(aff
->el
[1 + pos
], 1);
216 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
217 if (isl_stream_eat_if_available(s
, '*')) {
218 aff
= accept_affine_factor(s
, v
);
219 aff
= isl_vec_scale(aff
, tok
->u
.v
);
221 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
224 isl_seq_clr(aff
->el
, aff
->size
);
225 isl_int_set(aff
->el
[0], tok
->u
.v
);
228 } else if (tok
->type
== '(') {
231 aff
= accept_affine(s
, v
);
234 if (isl_stream_eat(s
, ')'))
236 } else if (tok
->type
== '[') {
237 if (vars_add_anon(v
) < 0)
239 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
242 isl_seq_clr(aff
->el
, aff
->size
);
243 isl_int_set_si(aff
->el
[1 + v
->n
- 1], 1);
244 isl_stream_push_token(s
, tok
);
246 if (read_div_definition(s
, v
) < 0)
249 isl_stream_error(s
, tok
, "expecting factor");
252 if (isl_stream_eat_if_available(s
, '*')) {
255 isl_int_set_si(f
, 1);
256 if (accept_cst_factor(s
, &f
) < 0) {
260 aff
= isl_vec_scale(aff
, f
);
271 static struct isl_vec
*accept_affine(struct isl_stream
*s
, struct vars
*v
)
273 struct isl_token
*tok
= NULL
;
277 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
280 isl_seq_clr(aff
->el
, aff
->size
);
283 tok
= isl_stream_next_token(s
);
285 isl_stream_error(s
, NULL
, "unexpected EOF");
288 if (tok
->type
== '-') {
293 if (tok
->type
== '(' || tok
->type
== '[' ||
294 tok
->type
== ISL_TOKEN_IDENT
) {
296 isl_stream_push_token(s
, tok
);
298 aff2
= accept_affine_factor(s
, v
);
300 aff2
= isl_vec_scale(aff2
, s
->ctx
->negone
);
301 aff
= isl_vec_zero_extend(aff
, 1 + v
->n
);
302 aff
= isl_vec_add(aff
, aff2
);
306 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
308 isl_int_neg(tok
->u
.v
, tok
->u
.v
);
309 if (isl_stream_eat_if_available(s
, '*') ||
310 isl_stream_next_token_is(s
, ISL_TOKEN_IDENT
)) {
312 aff2
= accept_affine_factor(s
, v
);
313 aff2
= isl_vec_scale(aff2
, tok
->u
.v
);
314 aff
= isl_vec_zero_extend(aff
, 1 + v
->n
);
315 aff
= isl_vec_add(aff
, aff2
);
319 isl_int_add(aff
->el
[0], aff
->el
[0], tok
->u
.v
);
323 isl_stream_error(s
, tok
, "unexpected isl_token");
324 isl_stream_push_token(s
, tok
);
330 tok
= isl_stream_next_token(s
);
331 if (tok
&& tok
->type
== '-') {
334 } else if (tok
&& tok
->type
== '+') {
337 } else if (tok
&& tok
->type
== ISL_TOKEN_VALUE
&&
338 isl_int_is_neg(tok
->u
.v
)) {
339 isl_stream_push_token(s
, tok
);
342 isl_stream_push_token(s
, tok
);
354 /* Add any variables in the variable list "v" that are not already in "bmap"
355 * as existentially quantified variables in "bmap".
357 static __isl_give isl_basic_map
*add_divs(__isl_take isl_basic_map
*bmap
,
362 struct variable
*var
;
364 extra
= v
->n
- isl_basic_map_total_dim(bmap
);
369 bmap
= isl_basic_map_extend_dim(bmap
, isl_basic_map_get_dim(bmap
),
370 extra
, 0, 2 * extra
);
372 for (i
= 0; i
< extra
; ++i
)
373 if (isl_basic_map_alloc_div(bmap
) < 0)
376 for (i
= 0, var
= v
->v
; i
< extra
; ++i
, var
= var
->next
) {
377 int k
= bmap
->n_div
- 1 - i
;
379 isl_seq_cpy(bmap
->div
[k
], var
->def
->el
, 2 + var
->pos
);
380 isl_seq_clr(bmap
->div
[k
] + 2 + var
->pos
, v
->n
- var
->pos
);
382 if (isl_basic_map_add_div_constraints(bmap
, k
) < 0)
388 isl_basic_map_free(bmap
);
392 static __isl_give isl_basic_map
*read_var_def(struct isl_stream
*s
,
393 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
399 if (vars_add_anon(v
) < 0)
403 vec
= accept_affine(s
, v
);
407 bmap
= add_divs(bmap
, v
);
408 bmap
= isl_basic_map_extend_constraints(bmap
, 1, 0);
409 k
= isl_basic_map_alloc_equality(bmap
);
411 isl_seq_cpy(bmap
->eq
[k
], vec
->el
, vec
->size
);
412 isl_int_set_si(bmap
->eq
[k
][1 + n
- 1], -1);
418 vars_drop(v
, v
->n
- n
);
422 isl_basic_map_free(bmap
);
426 static __isl_give isl_basic_map
*read_var_list(struct isl_stream
*s
,
427 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
430 struct isl_token
*tok
;
432 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
435 if (tok
->type
== ISL_TOKEN_IDENT
) {
437 int p
= vars_pos(v
, tok
->u
.s
, -1);
444 bmap
= isl_basic_map_add(bmap
, type
, 1);
445 bmap
= set_name(bmap
, type
, i
, v
->v
->name
);
447 } else if (tok
->type
== ISL_TOKEN_IDENT
||
448 tok
->type
== ISL_TOKEN_VALUE
||
451 if (type
== isl_dim_param
) {
452 isl_stream_error(s
, tok
,
453 "expecting unique identifier");
456 isl_stream_push_token(s
, tok
);
458 bmap
= isl_basic_map_add(bmap
, type
, 1);
459 bmap
= read_var_def(s
, bmap
, type
, v
);
463 tok
= isl_stream_next_token(s
);
464 if (!tok
|| tok
->type
!= ',')
471 isl_stream_push_token(s
, tok
);
473 bmap
= isl_basic_map_simplify(bmap
);
474 bmap
= isl_basic_map_finalize(bmap
);
478 isl_basic_map_free(bmap
);
482 static __isl_give isl_mat
*accept_affine_list(struct isl_stream
*s
,
487 struct isl_token
*tok
= NULL
;
489 vec
= accept_affine(s
, v
);
490 mat
= isl_mat_from_row_vec(vec
);
495 tok
= isl_stream_next_token(s
);
497 isl_stream_error(s
, NULL
, "unexpected EOF");
500 if (tok
->type
!= ',') {
501 isl_stream_push_token(s
, tok
);
506 vec
= accept_affine(s
, v
);
507 mat
= isl_mat_add_zero_cols(mat
, 1 + v
->n
- isl_mat_cols(mat
));
508 mat
= isl_mat_vec_concat(mat
, vec
);
519 static int read_div_definition(struct isl_stream
*s
, struct vars
*v
)
521 struct isl_token
*tok
;
524 struct variable
*var
;
526 if (isl_stream_eat(s
, '['))
529 tok
= isl_stream_next_token(s
);
532 if (tok
->type
== '(') {
536 isl_stream_push_token(s
, tok
);
540 aff
= accept_affine(s
, v
);
544 var
->def
= isl_vec_alloc(s
->ctx
, 2 + v
->n
);
550 isl_seq_cpy(var
->def
->el
+ 1, aff
->el
, aff
->size
);
554 if (seen_paren
&& isl_stream_eat(s
, ')'))
556 if (isl_stream_eat(s
, '/'))
559 tok
= isl_stream_next_token(s
);
562 if (tok
->type
!= ISL_TOKEN_VALUE
) {
563 isl_stream_error(s
, tok
, "expected denominator");
564 isl_stream_push_token(s
, tok
);
567 isl_int_set(var
->def
->el
[0], tok
->u
.v
);
570 if (isl_stream_eat(s
, ']'))
576 static struct isl_basic_map
*add_div_definition(struct isl_stream
*s
,
577 struct vars
*v
, struct isl_basic_map
*bmap
, int k
)
579 struct variable
*var
= v
->v
;
581 if (read_div_definition(s
, v
) < 0)
584 isl_seq_cpy(bmap
->div
[k
], var
->def
->el
, 2 + v
->n
);
586 if (isl_basic_map_add_div_constraints(bmap
, k
) < 0)
591 isl_basic_map_free(bmap
);
595 static struct isl_basic_map
*read_defined_var_list(struct isl_stream
*s
,
596 struct vars
*v
, struct isl_basic_map
*bmap
)
598 struct isl_token
*tok
;
600 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
604 unsigned total
= isl_basic_map_total_dim(bmap
);
606 if (tok
->type
!= ISL_TOKEN_IDENT
)
609 p
= vars_pos(v
, tok
->u
.s
, -1);
613 isl_stream_error(s
, tok
, "expecting unique identifier");
617 bmap
= isl_basic_map_cow(bmap
);
618 bmap
= isl_basic_map_extend_dim(bmap
, isl_dim_copy(bmap
->dim
),
621 if ((k
= isl_basic_map_alloc_div(bmap
)) < 0)
623 isl_seq_clr(bmap
->div
[k
], 1 + 1 + total
);
626 tok
= isl_stream_next_token(s
);
627 if (tok
&& tok
->type
== '=') {
629 bmap
= add_div_definition(s
, v
, bmap
, k
);
630 tok
= isl_stream_next_token(s
);
633 if (!tok
|| tok
->type
!= ',')
639 isl_stream_push_token(s
, tok
);
644 isl_basic_map_free(bmap
);
648 static int next_is_tuple(struct isl_stream
*s
)
650 struct isl_token
*tok
;
653 tok
= isl_stream_next_token(s
);
656 if (tok
->type
== '[') {
657 isl_stream_push_token(s
, tok
);
660 if (tok
->type
!= ISL_TOKEN_IDENT
) {
661 isl_stream_push_token(s
, tok
);
665 is_tuple
= isl_stream_next_token_is(s
, '[');
667 isl_stream_push_token(s
, tok
);
672 static __isl_give isl_basic_map
*read_tuple(struct isl_stream
*s
,
673 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
);
675 static __isl_give isl_basic_map
*read_nested_tuple(struct isl_stream
*s
,
676 __isl_take isl_basic_map
*bmap
, struct vars
*v
)
678 bmap
= read_tuple(s
, bmap
, isl_dim_in
, v
);
679 if (isl_stream_eat(s
, ISL_TOKEN_TO
))
681 bmap
= read_tuple(s
, bmap
, isl_dim_out
, v
);
682 bmap
= isl_basic_map_from_range(isl_basic_map_wrap(bmap
));
685 isl_basic_map_free(bmap
);
689 static __isl_give isl_basic_map
*read_tuple(struct isl_stream
*s
,
690 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
692 struct isl_token
*tok
;
695 tok
= isl_stream_next_token(s
);
696 if (tok
&& tok
->type
== ISL_TOKEN_IDENT
) {
697 name
= strdup(tok
->u
.s
);
701 tok
= isl_stream_next_token(s
);
703 if (!tok
|| tok
->type
!= '[') {
704 isl_stream_error(s
, tok
, "expecting '['");
708 if (type
!= isl_dim_param
&& next_is_tuple(s
)) {
709 isl_dim
*dim
= isl_basic_map_get_dim(bmap
);
710 int nparam
= isl_dim_size(dim
, isl_dim_param
);
711 int n_in
= isl_dim_size(dim
, isl_dim_in
);
712 isl_basic_map
*nested
;
713 if (type
== isl_dim_out
)
714 dim
= isl_dim_move(dim
, isl_dim_param
, nparam
,
715 isl_dim_in
, 0, n_in
);
716 nested
= isl_basic_map_alloc_dim(dim
, 0, 0, 0);
717 nested
= read_nested_tuple(s
, nested
, v
);
718 if (type
== isl_dim_in
) {
719 nested
= isl_basic_map_reverse(nested
);
720 bmap
= isl_basic_map_intersect(nested
, bmap
);
723 dim
= isl_dim_range(isl_basic_map_get_dim(nested
));
724 dim
= isl_dim_drop(dim
, isl_dim_param
, nparam
, n_in
);
725 dim
= isl_dim_join(isl_basic_map_get_dim(bmap
), dim
);
726 bset
= isl_basic_map_domain(bmap
);
727 nested
= isl_basic_map_reset_dim(nested
, dim
);
728 bmap
= isl_basic_map_intersect_domain(nested
, bset
);
731 bmap
= read_var_list(s
, bmap
, type
, v
);
732 tok
= isl_stream_next_token(s
);
733 if (!tok
|| tok
->type
!= ']') {
734 isl_stream_error(s
, tok
, "expecting ']'");
740 bmap
= isl_basic_map_set_tuple_name(bmap
, type
, name
);
748 isl_basic_map_free(bmap
);
752 static struct isl_basic_map
*add_constraints(struct isl_stream
*s
,
753 struct vars
*v
, struct isl_basic_map
*bmap
);
755 static struct isl_basic_map
*add_exists(struct isl_stream
*s
,
756 struct vars
*v
, struct isl_basic_map
*bmap
)
758 struct isl_token
*tok
;
765 tok
= isl_stream_next_token(s
);
768 if (tok
->type
== '(') {
772 isl_stream_push_token(s
, tok
);
774 bmap
= read_defined_var_list(s
, v
, bmap
);
778 if (isl_stream_eat(s
, ':'))
780 bmap
= add_constraints(s
, v
, bmap
);
781 if (seen_paren
&& isl_stream_eat(s
, ')'))
785 isl_basic_map_free(bmap
);
789 static __isl_give isl_basic_map
*construct_constraint(
790 __isl_take isl_basic_map
*bmap
, enum isl_token_type type
,
791 isl_int
*left
, isl_int
*right
)
799 len
= 1 + isl_basic_map_total_dim(bmap
);
802 k
= isl_basic_map_alloc_inequality(bmap
);
805 if (type
== ISL_TOKEN_LE
)
806 isl_seq_combine(bmap
->ineq
[k
], ctx
->negone
, left
,
809 else if (type
== ISL_TOKEN_GE
)
810 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
813 else if (type
== ISL_TOKEN_LT
) {
814 isl_seq_combine(bmap
->ineq
[k
], ctx
->negone
, left
,
817 isl_int_sub_ui(bmap
->ineq
[k
][0], bmap
->ineq
[k
][0], 1);
818 } else if (type
== ISL_TOKEN_GT
) {
819 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
822 isl_int_sub_ui(bmap
->ineq
[k
][0], bmap
->ineq
[k
][0], 1);
824 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
827 isl_basic_map_inequality_to_equality(bmap
, k
);
832 isl_basic_map_free(bmap
);
836 static int is_comparator(struct isl_token
*tok
)
853 static struct isl_basic_map
*add_constraint(struct isl_stream
*s
,
854 struct vars
*v
, struct isl_basic_map
*bmap
)
857 struct isl_token
*tok
= NULL
;
858 struct isl_mat
*aff1
= NULL
, *aff2
= NULL
;
860 tok
= isl_stream_next_token(s
);
863 if (tok
->type
== ISL_TOKEN_EXISTS
) {
865 return add_exists(s
, v
, bmap
);
867 isl_stream_push_token(s
, tok
);
870 bmap
= isl_basic_map_cow(bmap
);
872 aff1
= accept_affine_list(s
, v
);
875 tok
= isl_stream_next_token(s
);
876 if (!is_comparator(tok
)) {
877 isl_stream_error(s
, tok
, "missing operator");
879 isl_stream_push_token(s
, tok
);
884 aff2
= accept_affine_list(s
, v
);
888 aff1
= isl_mat_add_zero_cols(aff1
, aff2
->n_col
- aff1
->n_col
);
891 bmap
= add_divs(bmap
, v
);
892 bmap
= isl_basic_map_extend_constraints(bmap
, 0,
893 aff1
->n_row
* aff2
->n_row
);
894 for (i
= 0; i
< aff1
->n_row
; ++i
)
895 for (j
= 0; j
< aff2
->n_row
; ++j
)
896 bmap
= construct_constraint(bmap
, tok
->type
,
897 aff1
->row
[i
], aff2
->row
[j
]);
902 tok
= isl_stream_next_token(s
);
903 if (!is_comparator(tok
)) {
905 isl_stream_push_token(s
, tok
);
917 isl_basic_map_free(bmap
);
921 static struct isl_basic_map
*add_constraints(struct isl_stream
*s
,
922 struct vars
*v
, struct isl_basic_map
*bmap
)
924 struct isl_token
*tok
;
927 bmap
= add_constraint(s
, v
, bmap
);
930 tok
= isl_stream_next_token(s
);
932 isl_stream_error(s
, NULL
, "unexpected EOF");
935 if (tok
->type
!= ISL_TOKEN_AND
)
939 isl_stream_push_token(s
, tok
);
945 isl_basic_map_free(bmap
);
949 static struct isl_basic_map
*read_disjunct(struct isl_stream
*s
,
950 struct vars
*v
, __isl_take isl_dim
*dim
)
953 struct isl_token
*tok
;
954 struct isl_basic_map
*bmap
;
956 bmap
= isl_basic_map_alloc_dim(dim
, 0, 0, 0);
960 tok
= isl_stream_next_token(s
);
963 if (tok
->type
== '(') {
967 isl_stream_push_token(s
, tok
);
969 bmap
= add_constraints(s
, v
, bmap
);
970 bmap
= isl_basic_map_simplify(bmap
);
971 bmap
= isl_basic_map_finalize(bmap
);
973 if (seen_paren
&& isl_stream_eat(s
, ')'))
978 isl_basic_map_free(bmap
);
982 static struct isl_map
*read_disjuncts(struct isl_stream
*s
,
983 struct vars
*v
, __isl_take isl_dim
*dim
)
985 struct isl_token
*tok
;
988 tok
= isl_stream_next_token(s
);
990 isl_stream_error(s
, NULL
, "unexpected EOF");
993 if (tok
->type
== '}') {
994 isl_stream_push_token(s
, tok
);
995 return isl_map_universe(dim
);
997 isl_stream_push_token(s
, tok
);
999 map
= isl_map_empty(isl_dim_copy(dim
));
1001 struct isl_basic_map
*bmap
;
1004 bmap
= read_disjunct(s
, v
, isl_dim_copy(dim
));
1005 map
= isl_map_union(map
, isl_map_from_basic_map(bmap
));
1007 vars_drop(v
, v
->n
- n
);
1009 tok
= isl_stream_next_token(s
);
1010 if (!tok
|| tok
->type
!= ISL_TOKEN_OR
)
1012 isl_token_free(tok
);
1015 isl_stream_push_token(s
, tok
);
1024 static int polylib_pos_to_isl_pos(__isl_keep isl_basic_map
*bmap
, int pos
)
1026 if (pos
< isl_basic_map_dim(bmap
, isl_dim_out
))
1027 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
1028 isl_basic_map_dim(bmap
, isl_dim_in
) + pos
;
1029 pos
-= isl_basic_map_dim(bmap
, isl_dim_out
);
1031 if (pos
< isl_basic_map_dim(bmap
, isl_dim_in
))
1032 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) + pos
;
1033 pos
-= isl_basic_map_dim(bmap
, isl_dim_in
);
1035 if (pos
< isl_basic_map_dim(bmap
, isl_dim_div
))
1036 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
1037 isl_basic_map_dim(bmap
, isl_dim_in
) +
1038 isl_basic_map_dim(bmap
, isl_dim_out
) + pos
;
1039 pos
-= isl_basic_map_dim(bmap
, isl_dim_div
);
1041 if (pos
< isl_basic_map_dim(bmap
, isl_dim_param
))
1047 static __isl_give isl_basic_map
*basic_map_read_polylib_constraint(
1048 struct isl_stream
*s
, __isl_take isl_basic_map
*bmap
)
1051 struct isl_token
*tok
;
1061 nparam
= isl_basic_map_dim(bmap
, isl_dim_param
);
1062 dim
= isl_basic_map_dim(bmap
, isl_dim_out
);
1064 tok
= isl_stream_next_token(s
);
1065 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1066 isl_stream_error(s
, tok
, "expecting coefficient");
1068 isl_stream_push_token(s
, tok
);
1071 if (!tok
->on_new_line
) {
1072 isl_stream_error(s
, tok
, "coefficient should appear on new line");
1073 isl_stream_push_token(s
, tok
);
1077 type
= isl_int_get_si(tok
->u
.v
);
1078 isl_token_free(tok
);
1080 isl_assert(s
->ctx
, type
== 0 || type
== 1, goto error
);
1082 k
= isl_basic_map_alloc_equality(bmap
);
1085 k
= isl_basic_map_alloc_inequality(bmap
);
1091 for (j
= 0; j
< 1 + isl_basic_map_total_dim(bmap
); ++j
) {
1093 tok
= isl_stream_next_token(s
);
1094 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1095 isl_stream_error(s
, tok
, "expecting coefficient");
1097 isl_stream_push_token(s
, tok
);
1100 if (tok
->on_new_line
) {
1101 isl_stream_error(s
, tok
,
1102 "coefficient should not appear on new line");
1103 isl_stream_push_token(s
, tok
);
1106 pos
= polylib_pos_to_isl_pos(bmap
, j
);
1107 isl_int_set(c
[pos
], tok
->u
.v
);
1108 isl_token_free(tok
);
1113 isl_basic_map_free(bmap
);
1117 static __isl_give isl_basic_map
*basic_map_read_polylib(struct isl_stream
*s
,
1121 struct isl_token
*tok
;
1122 struct isl_token
*tok2
;
1125 unsigned in
= 0, out
, local
= 0;
1126 struct isl_basic_map
*bmap
= NULL
;
1131 tok
= isl_stream_next_token(s
);
1133 isl_stream_error(s
, NULL
, "unexpected EOF");
1136 tok2
= isl_stream_next_token(s
);
1138 isl_token_free(tok
);
1139 isl_stream_error(s
, NULL
, "unexpected EOF");
1142 n_row
= isl_int_get_si(tok
->u
.v
);
1143 n_col
= isl_int_get_si(tok2
->u
.v
);
1144 on_new_line
= tok2
->on_new_line
;
1145 isl_token_free(tok2
);
1146 isl_token_free(tok
);
1147 isl_assert(s
->ctx
, !on_new_line
, return NULL
);
1148 isl_assert(s
->ctx
, n_row
>= 0, return NULL
);
1149 isl_assert(s
->ctx
, n_col
>= 2 + nparam
, return NULL
);
1150 tok
= isl_stream_next_token_on_same_line(s
);
1152 if (tok
->type
!= ISL_TOKEN_VALUE
) {
1153 isl_stream_error(s
, tok
,
1154 "expecting number of output dimensions");
1155 isl_stream_push_token(s
, tok
);
1158 out
= isl_int_get_si(tok
->u
.v
);
1159 isl_token_free(tok
);
1161 tok
= isl_stream_next_token_on_same_line(s
);
1162 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1163 isl_stream_error(s
, tok
,
1164 "expecting number of input dimensions");
1166 isl_stream_push_token(s
, tok
);
1169 in
= isl_int_get_si(tok
->u
.v
);
1170 isl_token_free(tok
);
1172 tok
= isl_stream_next_token_on_same_line(s
);
1173 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1174 isl_stream_error(s
, tok
,
1175 "expecting number of existentials");
1177 isl_stream_push_token(s
, tok
);
1180 local
= isl_int_get_si(tok
->u
.v
);
1181 isl_token_free(tok
);
1183 tok
= isl_stream_next_token_on_same_line(s
);
1184 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1185 isl_stream_error(s
, tok
,
1186 "expecting number of parameters");
1188 isl_stream_push_token(s
, tok
);
1191 nparam
= isl_int_get_si(tok
->u
.v
);
1192 isl_token_free(tok
);
1193 if (n_col
!= 1 + out
+ in
+ local
+ nparam
+ 1) {
1194 isl_stream_error(s
, NULL
,
1195 "dimensions don't match");
1199 out
= n_col
- 2 - nparam
;
1200 bmap
= isl_basic_map_alloc(s
->ctx
, nparam
, in
, out
, local
, n_row
, n_row
);
1204 for (i
= 0; i
< local
; ++i
) {
1205 int k
= isl_basic_map_alloc_div(bmap
);
1208 isl_seq_clr(bmap
->div
[k
], 1 + 1 + nparam
+ in
+ out
+ local
);
1211 for (i
= 0; i
< n_row
; ++i
)
1212 bmap
= basic_map_read_polylib_constraint(s
, bmap
);
1214 tok
= isl_stream_next_token_on_same_line(s
);
1216 isl_stream_error(s
, tok
, "unexpected extra token on line");
1217 isl_stream_push_token(s
, tok
);
1221 bmap
= isl_basic_map_simplify(bmap
);
1222 bmap
= isl_basic_map_finalize(bmap
);
1225 isl_basic_map_free(bmap
);
1229 static struct isl_map
*map_read_polylib(struct isl_stream
*s
, int nparam
)
1231 struct isl_token
*tok
;
1232 struct isl_token
*tok2
;
1234 struct isl_map
*map
;
1236 tok
= isl_stream_next_token(s
);
1238 isl_stream_error(s
, NULL
, "unexpected EOF");
1241 tok2
= isl_stream_next_token_on_same_line(s
);
1243 isl_stream_push_token(s
, tok2
);
1244 isl_stream_push_token(s
, tok
);
1245 return isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
));
1247 n
= isl_int_get_si(tok
->u
.v
);
1248 isl_token_free(tok
);
1250 isl_assert(s
->ctx
, n
>= 1, return NULL
);
1252 map
= isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
));
1254 for (i
= 1; i
< n
; ++i
)
1255 map
= isl_map_union(map
,
1256 isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
)));
1261 static int optional_power(struct isl_stream
*s
)
1264 struct isl_token
*tok
;
1266 tok
= isl_stream_next_token(s
);
1269 if (tok
->type
!= '^') {
1270 isl_stream_push_token(s
, tok
);
1273 isl_token_free(tok
);
1274 tok
= isl_stream_next_token(s
);
1275 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1276 isl_stream_error(s
, tok
, "expecting exponent");
1278 isl_stream_push_token(s
, tok
);
1281 pow
= isl_int_get_si(tok
->u
.v
);
1282 isl_token_free(tok
);
1286 static __isl_give isl_div
*read_div(struct isl_stream
*s
,
1287 __isl_keep isl_basic_map
*bmap
, struct vars
*v
)
1289 unsigned total
= isl_basic_map_total_dim(bmap
);
1292 bmap
= isl_basic_map_copy(bmap
);
1293 bmap
= isl_basic_map_cow(bmap
);
1294 bmap
= isl_basic_map_extend_dim(bmap
, isl_dim_copy(bmap
->dim
),
1297 if ((k
= isl_basic_map_alloc_div(bmap
)) < 0)
1299 isl_seq_clr(bmap
->div
[k
], 1 + 1 + total
);
1301 if (vars_add_anon(v
) < 0)
1303 bmap
= add_div_definition(s
, v
, bmap
, k
);
1306 return isl_basic_map_div(bmap
, k
);
1308 isl_basic_map_free(bmap
);
1312 static __isl_give isl_qpolynomial
*read_term(struct isl_stream
*s
,
1313 __isl_keep isl_basic_map
*bmap
, struct vars
*v
);
1315 static __isl_give isl_qpolynomial
*read_factor(struct isl_stream
*s
,
1316 __isl_keep isl_basic_map
*bmap
, struct vars
*v
)
1318 struct isl_qpolynomial
*qp
;
1319 struct isl_token
*tok
;
1321 tok
= isl_stream_next_token(s
);
1323 isl_stream_error(s
, NULL
, "unexpected EOF");
1326 if (tok
->type
== '(') {
1327 isl_token_free(tok
);
1328 qp
= read_term(s
, bmap
, v
);
1331 if (isl_stream_eat(s
, ')'))
1333 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
1334 struct isl_token
*tok2
;
1335 tok2
= isl_stream_next_token(s
);
1336 if (tok2
&& tok2
->type
== '/') {
1337 isl_token_free(tok2
);
1338 tok2
= isl_stream_next_token(s
);
1339 if (!tok2
|| tok2
->type
!= ISL_TOKEN_VALUE
) {
1340 isl_stream_error(s
, tok2
, "expected denominator");
1341 isl_token_free(tok
);
1342 isl_token_free(tok2
);
1345 qp
= isl_qpolynomial_rat_cst(isl_basic_map_get_dim(bmap
),
1346 tok
->u
.v
, tok2
->u
.v
);
1347 isl_token_free(tok2
);
1349 isl_stream_push_token(s
, tok2
);
1350 qp
= isl_qpolynomial_cst(isl_basic_map_get_dim(bmap
),
1353 isl_token_free(tok
);
1354 } else if (tok
->type
== ISL_TOKEN_INFTY
) {
1355 isl_token_free(tok
);
1356 qp
= isl_qpolynomial_infty(isl_basic_map_get_dim(bmap
));
1357 } else if (tok
->type
== ISL_TOKEN_NAN
) {
1358 isl_token_free(tok
);
1359 qp
= isl_qpolynomial_nan(isl_basic_map_get_dim(bmap
));
1360 } else if (tok
->type
== ISL_TOKEN_IDENT
) {
1362 int pos
= vars_pos(v
, tok
->u
.s
, -1);
1365 isl_token_free(tok
);
1369 isl_stream_error(s
, tok
, "unknown identifier");
1370 isl_token_free(tok
);
1373 isl_token_free(tok
);
1374 pow
= optional_power(s
);
1375 qp
= isl_qpolynomial_pow(isl_basic_map_get_dim(bmap
), pos
, pow
);
1376 } else if (tok
->type
== '[') {
1380 isl_stream_push_token(s
, tok
);
1381 div
= read_div(s
, bmap
, v
);
1382 pow
= optional_power(s
);
1383 qp
= isl_qpolynomial_div_pow(div
, pow
);
1384 } else if (tok
->type
== '-') {
1385 struct isl_qpolynomial
*qp2
;
1387 isl_token_free(tok
);
1388 qp
= isl_qpolynomial_cst(isl_basic_map_get_dim(bmap
),
1390 qp2
= read_factor(s
, bmap
, v
);
1391 qp
= isl_qpolynomial_mul(qp
, qp2
);
1393 isl_stream_error(s
, tok
, "unexpected isl_token");
1394 isl_stream_push_token(s
, tok
);
1398 if (isl_stream_eat_if_available(s
, '*') ||
1399 isl_stream_next_token_is(s
, ISL_TOKEN_IDENT
)) {
1400 struct isl_qpolynomial
*qp2
;
1402 qp2
= read_factor(s
, bmap
, v
);
1403 qp
= isl_qpolynomial_mul(qp
, qp2
);
1408 isl_qpolynomial_free(qp
);
1412 static __isl_give isl_qpolynomial
*read_term(struct isl_stream
*s
,
1413 __isl_keep isl_basic_map
*bmap
, struct vars
*v
)
1415 struct isl_token
*tok
;
1416 struct isl_qpolynomial
*qp
;
1418 qp
= read_factor(s
, bmap
, v
);
1421 tok
= isl_stream_next_token(s
);
1425 if (tok
->type
== '+') {
1426 struct isl_qpolynomial
*qp2
;
1428 isl_token_free(tok
);
1429 qp2
= read_factor(s
, bmap
, v
);
1430 qp
= isl_qpolynomial_add(qp
, qp2
);
1431 } else if (tok
->type
== '-') {
1432 struct isl_qpolynomial
*qp2
;
1434 isl_token_free(tok
);
1435 qp2
= read_factor(s
, bmap
, v
);
1436 qp
= isl_qpolynomial_sub(qp
, qp2
);
1437 } else if (tok
->type
== ISL_TOKEN_VALUE
&&
1438 isl_int_is_neg(tok
->u
.v
)) {
1439 struct isl_qpolynomial
*qp2
;
1441 isl_stream_push_token(s
, tok
);
1442 qp2
= read_factor(s
, bmap
, v
);
1443 qp
= isl_qpolynomial_add(qp
, qp2
);
1445 isl_stream_push_token(s
, tok
);
1453 static __isl_give isl_map
*read_optional_disjuncts(struct isl_stream
*s
,
1454 __isl_take isl_basic_map
*bmap
, struct vars
*v
)
1456 struct isl_token
*tok
;
1457 struct isl_map
*map
;
1459 tok
= isl_stream_next_token(s
);
1461 isl_stream_error(s
, NULL
, "unexpected EOF");
1464 map
= isl_map_from_basic_map(isl_basic_map_copy(bmap
));
1465 if (tok
->type
== ':') {
1466 isl_token_free(tok
);
1467 map
= isl_map_intersect(map
,
1468 read_disjuncts(s
, v
, isl_basic_map_get_dim(bmap
)));
1470 isl_stream_push_token(s
, tok
);
1472 isl_basic_map_free(bmap
);
1476 isl_basic_map_free(bmap
);
1480 static struct isl_obj
obj_read_poly(struct isl_stream
*s
,
1481 __isl_take isl_basic_map
*bmap
, struct vars
*v
, int n
)
1483 struct isl_obj obj
= { isl_obj_pw_qpolynomial
, NULL
};
1484 struct isl_pw_qpolynomial
*pwqp
;
1485 struct isl_qpolynomial
*qp
;
1486 struct isl_map
*map
;
1487 struct isl_set
*set
;
1489 qp
= read_term(s
, bmap
, v
);
1490 map
= read_optional_disjuncts(s
, bmap
, v
);
1491 set
= isl_map_range(map
);
1493 pwqp
= isl_pw_qpolynomial_alloc(set
, qp
);
1495 vars_drop(v
, v
->n
- n
);
1501 static struct isl_obj
obj_read_poly_or_fold(struct isl_stream
*s
,
1502 __isl_take isl_basic_map
*bmap
, struct vars
*v
, int n
)
1504 struct isl_obj obj
= { isl_obj_pw_qpolynomial_fold
, NULL
};
1505 struct isl_obj obj_p
;
1506 isl_qpolynomial
*qp
;
1507 isl_qpolynomial_fold
*fold
= NULL
;
1508 isl_pw_qpolynomial_fold
*pwf
;
1512 if (!isl_stream_eat_if_available(s
, ISL_TOKEN_MAX
))
1513 return obj_read_poly(s
, bmap
, v
, n
);
1515 if (isl_stream_eat(s
, '('))
1518 qp
= read_term(s
, bmap
, v
);
1519 fold
= isl_qpolynomial_fold_alloc(isl_fold_max
, qp
);
1521 while (isl_stream_eat_if_available(s
, ',')) {
1522 isl_qpolynomial_fold
*fold_i
;
1523 qp
= read_term(s
, bmap
, v
);
1524 fold_i
= isl_qpolynomial_fold_alloc(isl_fold_max
, qp
);
1525 fold
= isl_qpolynomial_fold_fold(fold
, fold_i
);
1528 if (isl_stream_eat(s
, ')'))
1531 map
= read_optional_disjuncts(s
, bmap
, v
);
1532 set
= isl_map_range(map
);
1533 pwf
= isl_pw_qpolynomial_fold_alloc(isl_fold_max
, set
, fold
);
1535 vars_drop(v
, v
->n
- n
);
1540 isl_basic_map_free(bmap
);
1541 isl_qpolynomial_fold_free(fold
);
1542 obj
.type
= isl_obj_none
;
1546 static struct isl_obj
obj_read_body(struct isl_stream
*s
,
1547 __isl_take isl_basic_map
*bmap
, struct vars
*v
)
1549 struct isl_map
*map
= NULL
;
1550 struct isl_token
*tok
;
1551 struct isl_obj obj
= { isl_obj_set
, NULL
};
1554 if (!next_is_tuple(s
))
1555 return obj_read_poly_or_fold(s
, bmap
, v
, n
);
1557 bmap
= read_tuple(s
, bmap
, isl_dim_in
, v
);
1560 tok
= isl_stream_next_token(s
);
1561 if (tok
&& tok
->type
== ISL_TOKEN_TO
) {
1562 obj
.type
= isl_obj_map
;
1563 isl_token_free(tok
);
1564 if (!next_is_tuple(s
)) {
1565 bmap
= isl_basic_map_reverse(bmap
);
1566 return obj_read_poly_or_fold(s
, bmap
, v
, n
);
1568 bmap
= read_tuple(s
, bmap
, isl_dim_out
, v
);
1572 bmap
= isl_basic_map_reverse(bmap
);
1574 isl_stream_push_token(s
, tok
);
1577 map
= read_optional_disjuncts(s
, bmap
, v
);
1579 vars_drop(v
, v
->n
- n
);
1584 isl_basic_map_free(bmap
);
1585 obj
.type
= isl_obj_none
;
1589 static struct isl_obj
to_union(isl_ctx
*ctx
, struct isl_obj obj
)
1591 if (obj
.type
== isl_obj_map
) {
1592 obj
.v
= isl_union_map_from_map(obj
.v
);
1593 obj
.type
= isl_obj_union_map
;
1594 } else if (obj
.type
== isl_obj_set
) {
1595 obj
.v
= isl_union_set_from_set(obj
.v
);
1596 obj
.type
= isl_obj_union_set
;
1597 } else if (obj
.type
== isl_obj_pw_qpolynomial
) {
1598 obj
.v
= isl_union_pw_qpolynomial_from_pw_qpolynomial(obj
.v
);
1599 obj
.type
= isl_obj_union_pw_qpolynomial
;
1600 } else if (obj
.type
== isl_obj_pw_qpolynomial_fold
) {
1601 obj
.v
= isl_union_pw_qpolynomial_fold_from_pw_qpolynomial_fold(obj
.v
);
1602 obj
.type
= isl_obj_union_pw_qpolynomial_fold
;
1604 isl_assert(ctx
, 0, goto error
);
1607 obj
.type
->free(obj
.v
);
1608 obj
.type
= isl_obj_none
;
1612 static struct isl_obj
obj_add(struct isl_ctx
*ctx
,
1613 struct isl_obj obj1
, struct isl_obj obj2
)
1615 if (obj1
.type
== isl_obj_set
&& obj2
.type
== isl_obj_union_set
)
1616 obj1
= to_union(ctx
, obj1
);
1617 if (obj1
.type
== isl_obj_union_set
&& obj2
.type
== isl_obj_set
)
1618 obj2
= to_union(ctx
, obj2
);
1619 if (obj1
.type
== isl_obj_map
&& obj2
.type
== isl_obj_union_map
)
1620 obj1
= to_union(ctx
, obj1
);
1621 if (obj1
.type
== isl_obj_union_map
&& obj2
.type
== isl_obj_map
)
1622 obj2
= to_union(ctx
, obj2
);
1623 if (obj1
.type
== isl_obj_pw_qpolynomial
&&
1624 obj2
.type
== isl_obj_union_pw_qpolynomial
)
1625 obj1
= to_union(ctx
, obj1
);
1626 if (obj1
.type
== isl_obj_union_pw_qpolynomial
&&
1627 obj2
.type
== isl_obj_pw_qpolynomial
)
1628 obj2
= to_union(ctx
, obj2
);
1629 if (obj1
.type
== isl_obj_pw_qpolynomial_fold
&&
1630 obj2
.type
== isl_obj_union_pw_qpolynomial_fold
)
1631 obj1
= to_union(ctx
, obj1
);
1632 if (obj1
.type
== isl_obj_union_pw_qpolynomial_fold
&&
1633 obj2
.type
== isl_obj_pw_qpolynomial_fold
)
1634 obj2
= to_union(ctx
, obj2
);
1635 isl_assert(ctx
, obj1
.type
== obj2
.type
, goto error
);
1636 if (obj1
.type
== isl_obj_map
&& !isl_map_has_equal_dim(obj1
.v
, obj2
.v
)) {
1637 obj1
= to_union(ctx
, obj1
);
1638 obj2
= to_union(ctx
, obj2
);
1640 if (obj1
.type
== isl_obj_set
&& !isl_set_has_equal_dim(obj1
.v
, obj2
.v
)) {
1641 obj1
= to_union(ctx
, obj1
);
1642 obj2
= to_union(ctx
, obj2
);
1644 if (obj1
.type
== isl_obj_pw_qpolynomial
&&
1645 !isl_pw_qpolynomial_has_equal_dim(obj1
.v
, obj2
.v
)) {
1646 obj1
= to_union(ctx
, obj1
);
1647 obj2
= to_union(ctx
, obj2
);
1649 if (obj1
.type
== isl_obj_pw_qpolynomial_fold
&&
1650 !isl_pw_qpolynomial_fold_has_equal_dim(obj1
.v
, obj2
.v
)) {
1651 obj1
= to_union(ctx
, obj1
);
1652 obj2
= to_union(ctx
, obj2
);
1654 obj1
.v
= obj1
.type
->add(obj1
.v
, obj2
.v
);
1657 obj1
.type
->free(obj1
.v
);
1658 obj2
.type
->free(obj2
.v
);
1659 obj1
.type
= isl_obj_none
;
1664 static struct isl_obj
obj_read(struct isl_stream
*s
, int nparam
)
1666 isl_basic_map
*bmap
= NULL
;
1667 struct isl_token
*tok
;
1668 struct vars
*v
= NULL
;
1669 struct isl_obj obj
= { isl_obj_set
, NULL
};
1671 tok
= isl_stream_next_token(s
);
1673 isl_stream_error(s
, NULL
, "unexpected EOF");
1676 if (tok
->type
== ISL_TOKEN_VALUE
) {
1677 struct isl_map
*map
;
1678 isl_stream_push_token(s
, tok
);
1679 map
= map_read_polylib(s
, nparam
);
1682 if (isl_map_dim(map
, isl_dim_in
) > 0)
1683 obj
.type
= isl_obj_map
;
1687 v
= vars_new(s
->ctx
);
1689 isl_stream_push_token(s
, tok
);
1692 bmap
= isl_basic_map_alloc(s
->ctx
, 0, 0, 0, 0, 0, 0);
1693 if (tok
->type
== '[') {
1694 isl_stream_push_token(s
, tok
);
1695 bmap
= read_tuple(s
, bmap
, isl_dim_param
, v
);
1699 isl_assert(s
->ctx
, nparam
== v
->n
, goto error
);
1700 tok
= isl_stream_next_token(s
);
1701 if (!tok
|| tok
->type
!= ISL_TOKEN_TO
) {
1702 isl_stream_error(s
, tok
, "expecting '->'");
1704 isl_stream_push_token(s
, tok
);
1707 isl_token_free(tok
);
1708 tok
= isl_stream_next_token(s
);
1709 } else if (nparam
> 0)
1710 bmap
= isl_basic_map_add(bmap
, isl_dim_param
, nparam
);
1711 if (!tok
|| tok
->type
!= '{') {
1712 isl_stream_error(s
, tok
, "expecting '{'");
1714 isl_stream_push_token(s
, tok
);
1717 isl_token_free(tok
);
1719 tok
= isl_stream_next_token(s
);
1722 else if (tok
->type
== ISL_TOKEN_IDENT
&& !strcmp(tok
->u
.s
, "Sym")) {
1723 isl_token_free(tok
);
1724 if (isl_stream_eat(s
, '='))
1726 bmap
= read_tuple(s
, bmap
, isl_dim_param
, v
);
1730 isl_assert(s
->ctx
, nparam
== v
->n
, goto error
);
1731 } else if (tok
->type
== '}') {
1732 obj
.type
= isl_obj_union_set
;
1733 obj
.v
= isl_union_set_empty(isl_basic_map_get_dim(bmap
));
1734 isl_token_free(tok
);
1737 isl_stream_push_token(s
, tok
);
1742 o
= obj_read_body(s
, isl_basic_map_copy(bmap
), v
);
1743 if (o
.type
== isl_obj_none
|| !o
.v
)
1748 obj
= obj_add(s
->ctx
, obj
, o
);
1749 if (obj
.type
== isl_obj_none
|| !obj
.v
)
1752 tok
= isl_stream_next_token(s
);
1753 if (!tok
|| tok
->type
!= ';')
1755 isl_token_free(tok
);
1758 if (tok
&& tok
->type
== '}') {
1759 isl_token_free(tok
);
1761 isl_stream_error(s
, tok
, "unexpected isl_token");
1763 isl_token_free(tok
);
1768 isl_basic_map_free(bmap
);
1772 isl_basic_map_free(bmap
);
1773 obj
.type
->free(obj
.v
);
1780 struct isl_obj
isl_stream_read_obj(struct isl_stream
*s
)
1782 return obj_read(s
, -1);
1785 __isl_give isl_map
*isl_stream_read_map(struct isl_stream
*s
, int nparam
)
1788 struct isl_map
*map
;
1790 obj
= obj_read(s
, nparam
);
1792 isl_assert(s
->ctx
, obj
.type
== isl_obj_map
||
1793 obj
.type
== isl_obj_set
, goto error
);
1797 obj
.type
->free(obj
.v
);
1801 __isl_give isl_set
*isl_stream_read_set(struct isl_stream
*s
, int nparam
)
1804 struct isl_set
*set
;
1806 obj
= obj_read(s
, nparam
);
1808 isl_assert(s
->ctx
, obj
.type
== isl_obj_set
, goto error
);
1812 obj
.type
->free(obj
.v
);
1816 static struct isl_basic_map
*basic_map_read(struct isl_stream
*s
, int nparam
)
1819 struct isl_map
*map
;
1820 struct isl_basic_map
*bmap
;
1822 obj
= obj_read(s
, nparam
);
1827 isl_assert(map
->ctx
, map
->n
<= 1, goto error
);
1830 bmap
= isl_basic_map_empty_like_map(map
);
1832 bmap
= isl_basic_map_copy(map
->p
[0]);
1842 __isl_give isl_basic_map
*isl_basic_map_read_from_file(isl_ctx
*ctx
,
1843 FILE *input
, int nparam
)
1845 struct isl_basic_map
*bmap
;
1846 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
1849 bmap
= basic_map_read(s
, nparam
);
1854 __isl_give isl_basic_set
*isl_basic_set_read_from_file(isl_ctx
*ctx
,
1855 FILE *input
, int nparam
)
1857 struct isl_basic_map
*bmap
;
1858 bmap
= isl_basic_map_read_from_file(ctx
, input
, nparam
);
1861 isl_assert(ctx
, isl_basic_map_n_in(bmap
) == 0, goto error
);
1862 return (struct isl_basic_set
*)bmap
;
1864 isl_basic_map_free(bmap
);
1868 struct isl_basic_map
*isl_basic_map_read_from_str(struct isl_ctx
*ctx
,
1869 const char *str
, int nparam
)
1871 struct isl_basic_map
*bmap
;
1872 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
1875 bmap
= basic_map_read(s
, nparam
);
1880 struct isl_basic_set
*isl_basic_set_read_from_str(struct isl_ctx
*ctx
,
1881 const char *str
, int nparam
)
1883 struct isl_basic_map
*bmap
;
1884 bmap
= isl_basic_map_read_from_str(ctx
, str
, nparam
);
1887 isl_assert(ctx
, isl_basic_map_n_in(bmap
) == 0, goto error
);
1888 return (struct isl_basic_set
*)bmap
;
1890 isl_basic_map_free(bmap
);
1894 __isl_give isl_map
*isl_map_read_from_file(struct isl_ctx
*ctx
,
1895 FILE *input
, int nparam
)
1897 struct isl_map
*map
;
1898 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
1901 map
= isl_stream_read_map(s
, nparam
);
1906 __isl_give isl_map
*isl_map_read_from_str(struct isl_ctx
*ctx
,
1907 const char *str
, int nparam
)
1909 struct isl_map
*map
;
1910 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
1913 map
= isl_stream_read_map(s
, nparam
);
1918 __isl_give isl_set
*isl_set_read_from_file(struct isl_ctx
*ctx
,
1919 FILE *input
, int nparam
)
1921 struct isl_map
*map
;
1922 map
= isl_map_read_from_file(ctx
, input
, nparam
);
1925 isl_assert(ctx
, isl_map_n_in(map
) == 0, goto error
);
1926 return (struct isl_set
*)map
;
1932 struct isl_set
*isl_set_read_from_str(struct isl_ctx
*ctx
,
1933 const char *str
, int nparam
)
1935 struct isl_map
*map
;
1936 map
= isl_map_read_from_str(ctx
, str
, nparam
);
1939 isl_assert(ctx
, isl_map_n_in(map
) == 0, goto error
);
1940 return (struct isl_set
*)map
;
1946 static char *next_line(FILE *input
, char *line
, unsigned len
)
1951 if (!(p
= fgets(line
, len
, input
)))
1953 while (isspace(*p
) && *p
!= '\n')
1955 } while (*p
== '#' || *p
== '\n');
1960 static struct isl_vec
*isl_vec_read_from_file_polylib(struct isl_ctx
*ctx
,
1963 struct isl_vec
*vec
= NULL
;
1972 isl_assert(ctx
, next_line(input
, line
, sizeof(line
)), return NULL
);
1973 isl_assert(ctx
, sscanf(line
, "%u", &size
) == 1, return NULL
);
1975 vec
= isl_vec_alloc(ctx
, size
);
1977 p
= next_line(input
, line
, sizeof(line
));
1978 isl_assert(ctx
, p
, goto error
);
1980 for (j
= 0; j
< size
; ++j
) {
1981 n
= sscanf(p
, "%s%n", val
, &offset
);
1982 isl_assert(ctx
, n
!= 0, goto error
);
1983 isl_int_read(vec
->el
[j
], val
);
1993 struct isl_vec
*isl_vec_read_from_file(struct isl_ctx
*ctx
,
1994 FILE *input
, unsigned input_format
)
1996 if (input_format
== ISL_FORMAT_POLYLIB
)
1997 return isl_vec_read_from_file_polylib(ctx
, input
);
1999 isl_assert(ctx
, 0, return NULL
);
2002 __isl_give isl_pw_qpolynomial
*isl_stream_read_pw_qpolynomial(
2003 struct isl_stream
*s
)
2006 struct isl_pw_qpolynomial
*pwqp
;
2008 obj
= obj_read(s
, -1);
2010 isl_assert(s
->ctx
, obj
.type
== isl_obj_pw_qpolynomial
,
2015 obj
.type
->free(obj
.v
);
2019 __isl_give isl_pw_qpolynomial
*isl_pw_qpolynomial_read_from_str(isl_ctx
*ctx
,
2022 isl_pw_qpolynomial
*pwqp
;
2023 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2026 pwqp
= isl_stream_read_pw_qpolynomial(s
);