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
17 #include <isl_ctx_private.h>
18 #include <isl_map_private.h>
22 #include <isl/stream.h>
24 #include "isl_polynomial_private.h"
25 #include <isl/union_map.h>
26 #include <isl_mat_private.h>
32 struct variable *next;
41 static struct vars *vars_new(struct isl_ctx *ctx)
44 v = isl_alloc_type(ctx, struct vars);
53 static void variable_free(struct variable *var)
56 struct variable *next = var->next;
57 isl_vec_free(var->def);
64 static void vars_free(struct vars *v)
72 static void vars_drop(struct vars *v, int n)
83 struct variable *next = var->next;
84 isl_vec_free(var->def);
92 static struct variable *variable_new(struct vars *v, const char *name, int len,
96 var = isl_alloc_type(v->ctx, struct variable);
99 var->name = strdup(name);
100 var->name[len] = '\0';
110 static int vars_pos(struct vars *v, const char *s, int len)
117 for (q = v->v; q; q = q->next) {
118 if (strncmp(q->name, s, len) == 0 && q->name[len] == '\0')
125 v->v = variable_new(v, s, len, v->n);
133 static int vars_add_anon(struct vars *v)
135 v->v = variable_new(v, "", 0, v->n);
144 static __isl_give isl_basic_map *set_name(__isl_take isl_basic_map *bmap,
145 enum isl_dim_type type, unsigned pos, char *name)
154 prime = strchr(name, '\'');
157 bmap = isl_basic_map_set_dim_name(bmap, type, pos, name);
164 /* Obtain next token, with some preprocessing.
165 * In particular, evaluate expressions of the form x^y,
166 * with x and y values.
168 static struct isl_token *next_token(struct isl_stream *s)
170 struct isl_token *tok, *tok2;
172 tok = isl_stream_next_token(s);
173 if (!tok || tok->type != ISL_TOKEN_VALUE)
175 if (!isl_stream_eat_if_available(s, '^'))
177 tok2 = isl_stream_next_token(s);
178 if (!tok2 || tok2->type != ISL_TOKEN_VALUE) {
179 isl_stream_error(s, tok2, "expecting constant value");
183 isl_int_pow_ui(tok->u.v, tok->u.v, isl_int_get_ui(tok2->u.v));
185 isl_token_free(tok2);
189 isl_token_free(tok2);
193 static int accept_cst_factor(struct isl_stream *s, isl_int *f)
195 struct isl_token *tok;
198 if (!tok || tok->type != ISL_TOKEN_VALUE) {
199 isl_stream_error(s, tok, "expecting constant value");
203 isl_int_mul(*f, *f, tok->u.v);
207 if (isl_stream_eat_if_available(s, '*'))
208 return accept_cst_factor(s, f);
216 /* Given an affine expression aff, return an affine expression
217 * for aff % d, with d the next token on the stream, which is
218 * assumed to be a constant.
220 * We introduce an integer division q = [aff/d] and the result
221 * is set to aff - d q.
223 static __isl_give isl_vec *affine_mod(struct isl_stream *s,
224 struct vars *v, __isl_take isl_vec *aff)
226 struct isl_token *tok;
227 struct variable *var;
231 if (!tok || tok->type != ISL_TOKEN_VALUE) {
232 isl_stream_error(s, tok, "expecting constant value");
236 if (vars_add_anon(v) < 0)
241 var->def = isl_vec_alloc(s->ctx, 2 + v->n);
244 isl_seq_cpy(var->def->el + 1, aff->el, aff->size);
245 isl_int_set_si(var->def->el[1 + aff->size], 0);
246 isl_int_set(var->def->el[0], tok->u.v);
248 mod = isl_vec_alloc(v->ctx, 1 + v->n);
252 isl_seq_cpy(mod->el, aff->el, aff->size);
253 isl_int_neg(mod->el[aff->size], tok->u.v);
264 static struct isl_vec *accept_affine(struct isl_stream *s, struct vars *v);
265 static int read_div_definition(struct isl_stream *s, struct vars *v);
267 static __isl_give isl_vec *accept_affine_factor(struct isl_stream *s,
270 struct isl_token *tok = NULL;
275 isl_stream_error(s, NULL, "unexpected EOF");
278 if (tok->type == ISL_TOKEN_IDENT) {
280 int pos = vars_pos(v, tok->u.s, -1);
284 isl_stream_error(s, tok, "unknown identifier");
288 aff = isl_vec_alloc(v->ctx, 1 + v->n);
291 isl_seq_clr(aff->el, aff->size);
292 isl_int_set_si(aff->el[1 + pos], 1);
294 } else if (tok->type == ISL_TOKEN_VALUE) {
295 if (isl_stream_eat_if_available(s, '*')) {
296 aff = accept_affine_factor(s, v);
297 aff = isl_vec_scale(aff, tok->u.v);
299 aff = isl_vec_alloc(v->ctx, 1 + v->n);
302 isl_seq_clr(aff->el, aff->size);
303 isl_int_set(aff->el[0], tok->u.v);
306 } else if (tok->type == '(') {
309 aff = accept_affine(s, v);
312 if (isl_stream_eat(s, ')'))
314 } else if (tok->type == '[') {
315 if (vars_add_anon(v) < 0)
317 aff = isl_vec_alloc(v->ctx, 1 + v->n);
320 isl_seq_clr(aff->el, aff->size);
321 isl_int_set_si(aff->el[1 + v->n - 1], 1);
322 isl_stream_push_token(s, tok);
324 if (read_div_definition(s, v) < 0)
327 isl_stream_error(s, tok, "expecting factor");
330 if (isl_stream_eat_if_available(s, '%'))
331 return affine_mod(s, v, aff);
332 if (isl_stream_eat_if_available(s, '*')) {
335 isl_int_set_si(f, 1);
336 if (accept_cst_factor(s, &f) < 0) {
340 aff = isl_vec_scale(aff, f);
352 static struct isl_vec *accept_affine(struct isl_stream *s, struct vars *v)
354 struct isl_token *tok = NULL;
358 aff = isl_vec_alloc(v->ctx, 1 + v->n);
361 isl_seq_clr(aff->el, aff->size);
366 isl_stream_error(s, NULL, "unexpected EOF");
369 if (tok->type == '-') {
374 if (tok->type == '(' || tok->type == '[' ||
375 tok->type == ISL_TOKEN_IDENT) {
377 isl_stream_push_token(s, tok);
379 aff2 = accept_affine_factor(s, v);
381 aff2 = isl_vec_scale(aff2, s->ctx->negone);
382 aff = isl_vec_zero_extend(aff, 1 + v->n);
383 aff = isl_vec_add(aff, aff2);
387 } else if (tok->type == ISL_TOKEN_VALUE) {
389 isl_int_neg(tok->u.v, tok->u.v);
390 if (isl_stream_eat_if_available(s, '*') ||
391 isl_stream_next_token_is(s, ISL_TOKEN_IDENT)) {
393 aff2 = accept_affine_factor(s, v);
394 aff2 = isl_vec_scale(aff2, tok->u.v);
395 aff = isl_vec_zero_extend(aff, 1 + v->n);
396 aff = isl_vec_add(aff, aff2);
400 isl_int_add(aff->el[0], aff->el[0], tok->u.v);
404 isl_stream_error(s, tok, "unexpected isl_token");
405 isl_stream_push_token(s, tok);
412 if (tok && tok->type == '-') {
415 } else if (tok && tok->type == '+') {
418 } else if (tok && tok->type == ISL_TOKEN_VALUE &&
419 isl_int_is_neg(tok->u.v)) {
420 isl_stream_push_token(s, tok);
423 isl_stream_push_token(s, tok);
435 /* Add any variables in the variable list "v" that are not already in "bmap"
436 * as existentially quantified variables in "bmap".
438 static __isl_give isl_basic_map *add_divs(__isl_take isl_basic_map *bmap,
443 struct variable *var;
445 extra = v->n - isl_basic_map_total_dim(bmap);
450 bmap = isl_basic_map_extend_dim(bmap, isl_basic_map_get_dim(bmap),
451 extra, 0, 2 * extra);
453 for (i = 0; i < extra; ++i)
454 if (isl_basic_map_alloc_div(bmap) < 0)
457 for (i = 0, var = v->v; i < extra; ++i, var = var->next) {
458 int k = bmap->n_div - 1 - i;
460 isl_seq_cpy(bmap->div[k], var->def->el, var->def->size);
461 isl_seq_clr(bmap->div[k] + var->def->size,
462 2 + v->n - var->def->size);
464 if (isl_basic_map_add_div_constraints(bmap, k) < 0)
470 isl_basic_map_free(bmap);
474 static __isl_give isl_basic_map *read_var_def(struct isl_stream *s,
475 __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v)
478 isl_basic_map *def = NULL;
483 if (vars_add_anon(v) < 0)
487 vec = accept_affine(s, v);
491 dim = isl_basic_map_get_dim(bmap);
492 def = isl_basic_map_universe(dim);
493 def = add_divs(def, v);
494 def = isl_basic_map_extend_constraints(def, 1, 0);
495 k = isl_basic_map_alloc_equality(def);
497 isl_seq_cpy(def->eq[k], vec->el, vec->size);
498 isl_int_set_si(def->eq[k][1 + n - 1], -1);
504 vars_drop(v, v->n - n);
506 def = isl_basic_map_simplify(def);
507 def = isl_basic_map_finalize(def);
508 bmap = isl_basic_map_intersect(bmap, def);
511 isl_basic_map_free(bmap);
512 isl_basic_map_free(def);
516 static __isl_give isl_basic_map *read_var_list(struct isl_stream *s,
517 __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v)
520 struct isl_token *tok;
522 while ((tok = next_token(s)) != NULL) {
525 if (tok->type == ISL_TOKEN_IDENT) {
527 int p = vars_pos(v, tok->u.s, -1);
534 bmap = isl_basic_map_add(bmap, type, 1);
535 bmap = set_name(bmap, type, i, v->v->name);
537 } else if (tok->type == ISL_TOKEN_IDENT ||
538 tok->type == ISL_TOKEN_VALUE ||
541 if (type == isl_dim_param) {
542 isl_stream_error(s, tok,
543 "expecting unique identifier");
546 isl_stream_push_token(s, tok);
548 bmap = isl_basic_map_add(bmap, type, 1);
549 bmap = read_var_def(s, bmap, type, v);
553 tok = isl_stream_next_token(s);
554 if (!tok || tok->type != ',')
561 isl_stream_push_token(s, tok);
566 isl_basic_map_free(bmap);
570 static __isl_give isl_mat *accept_affine_list(struct isl_stream *s,
575 struct isl_token *tok = NULL;
577 vec = accept_affine(s, v);
578 mat = isl_mat_from_row_vec(vec);
583 tok = isl_stream_next_token(s);
585 isl_stream_error(s, NULL, "unexpected EOF");
588 if (tok->type != ',') {
589 isl_stream_push_token(s, tok);
594 vec = accept_affine(s, v);
595 mat = isl_mat_add_zero_cols(mat, 1 + v->n - isl_mat_cols(mat));
596 mat = isl_mat_vec_concat(mat, vec);
607 static int read_div_definition(struct isl_stream *s, struct vars *v)
609 struct isl_token *tok;
612 struct variable *var;
614 if (isl_stream_eat(s, '['))
617 tok = isl_stream_next_token(s);
620 if (tok->type == '(') {
624 isl_stream_push_token(s, tok);
628 aff = accept_affine(s, v);
632 var->def = isl_vec_alloc(s->ctx, 2 + v->n);
638 isl_seq_cpy(var->def->el + 1, aff->el, aff->size);
642 if (seen_paren && isl_stream_eat(s, ')'))
644 if (isl_stream_eat(s, '/'))
650 if (tok->type != ISL_TOKEN_VALUE) {
651 isl_stream_error(s, tok, "expected denominator");
652 isl_stream_push_token(s, tok);
655 isl_int_set(var->def->el[0], tok->u.v);
658 if (isl_stream_eat(s, ']'))
664 static struct isl_basic_map *add_div_definition(struct isl_stream *s,
665 struct vars *v, struct isl_basic_map *bmap, int pos)
667 struct variable *var = v->v;
668 unsigned o_out = isl_basic_map_offset(bmap, isl_dim_out) - 1;
670 if (read_div_definition(s, v) < 0)
673 if (isl_basic_map_add_div_constraints_var(bmap, o_out + pos,
679 isl_basic_map_free(bmap);
683 static struct isl_basic_map *read_defined_var_list(struct isl_stream *s,
684 struct vars *v, struct isl_basic_map *bmap)
686 struct isl_token *tok;
688 while ((tok = isl_stream_next_token(s)) != NULL) {
691 unsigned n_out = isl_basic_map_dim(bmap, isl_dim_out);
693 if (tok->type != ISL_TOKEN_IDENT)
696 p = vars_pos(v, tok->u.s, -1);
700 isl_stream_error(s, tok, "expecting unique identifier");
704 bmap = isl_basic_map_cow(bmap);
705 bmap = isl_basic_map_add(bmap, isl_dim_out, 1);
706 bmap = isl_basic_map_extend_dim(bmap, isl_dim_copy(bmap->dim),
710 tok = isl_stream_next_token(s);
711 if (tok && tok->type == '=') {
713 bmap = add_div_definition(s, v, bmap, n_out);
714 tok = isl_stream_next_token(s);
717 if (!tok || tok->type != ',')
723 isl_stream_push_token(s, tok);
728 isl_basic_map_free(bmap);
732 static int next_is_tuple(struct isl_stream *s)
734 struct isl_token *tok;
737 tok = isl_stream_next_token(s);
740 if (tok->type == '[') {
741 isl_stream_push_token(s, tok);
744 if (tok->type != ISL_TOKEN_IDENT && !tok->is_keyword) {
745 isl_stream_push_token(s, tok);
749 is_tuple = isl_stream_next_token_is(s, '[');
751 isl_stream_push_token(s, tok);
756 static __isl_give isl_basic_map *read_tuple(struct isl_stream *s,
757 __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v);
759 static __isl_give isl_basic_map *read_nested_tuple(struct isl_stream *s,
760 __isl_take isl_basic_map *bmap, struct vars *v)
762 bmap = read_tuple(s, bmap, isl_dim_in, v);
763 if (isl_stream_eat(s, ISL_TOKEN_TO))
765 bmap = read_tuple(s, bmap, isl_dim_out, v);
766 bmap = isl_basic_map_from_range(isl_basic_map_wrap(bmap));
769 isl_basic_map_free(bmap);
773 static __isl_give isl_basic_map *read_tuple(struct isl_stream *s,
774 __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v)
776 struct isl_token *tok;
779 tok = isl_stream_next_token(s);
780 if (tok && (tok->type == ISL_TOKEN_IDENT || tok->is_keyword)) {
781 name = strdup(tok->u.s);
785 tok = isl_stream_next_token(s);
787 if (!tok || tok->type != '[') {
788 isl_stream_error(s, tok, "expecting '['");
792 if (type != isl_dim_param && next_is_tuple(s)) {
793 isl_dim *dim = isl_basic_map_get_dim(bmap);
794 int nparam = isl_dim_size(dim, isl_dim_param);
795 int n_in = isl_dim_size(dim, isl_dim_in);
796 isl_basic_map *nested;
797 if (type == isl_dim_out)
798 dim = isl_dim_move(dim, isl_dim_param, nparam,
799 isl_dim_in, 0, n_in);
800 nested = isl_basic_map_alloc_dim(dim, 0, 0, 0);
801 nested = read_nested_tuple(s, nested, v);
802 if (type == isl_dim_in) {
803 nested = isl_basic_map_reverse(nested);
804 bmap = isl_basic_map_intersect(nested, bmap);
807 dim = isl_dim_range(isl_basic_map_get_dim(nested));
808 dim = isl_dim_drop(dim, isl_dim_param, nparam, n_in);
809 dim = isl_dim_join(isl_basic_map_get_dim(bmap), dim);
810 bset = isl_basic_map_domain(bmap);
811 nested = isl_basic_map_reset_dim(nested, dim);
812 bmap = isl_basic_map_intersect_domain(nested, bset);
815 bmap = read_var_list(s, bmap, type, v);
816 tok = isl_stream_next_token(s);
817 if (!tok || tok->type != ']') {
818 isl_stream_error(s, tok, "expecting ']'");
824 bmap = isl_basic_map_set_tuple_name(bmap, type, name);
832 isl_basic_map_free(bmap);
836 static __isl_give isl_basic_map *construct_constraint(
837 __isl_take isl_basic_map *bmap, enum isl_token_type type,
838 isl_int *left, isl_int *right)
846 len = 1 + isl_basic_map_total_dim(bmap);
849 k = isl_basic_map_alloc_inequality(bmap);
852 if (type == ISL_TOKEN_LE)
853 isl_seq_combine(bmap->ineq[k], ctx->negone, left,
856 else if (type == ISL_TOKEN_GE)
857 isl_seq_combine(bmap->ineq[k], ctx->one, left,
860 else if (type == ISL_TOKEN_LT) {
861 isl_seq_combine(bmap->ineq[k], ctx->negone, left,
864 isl_int_sub_ui(bmap->ineq[k][0], bmap->ineq[k][0], 1);
865 } else if (type == ISL_TOKEN_GT) {
866 isl_seq_combine(bmap->ineq[k], ctx->one, left,
869 isl_int_sub_ui(bmap->ineq[k][0], bmap->ineq[k][0], 1);
871 isl_seq_combine(bmap->ineq[k], ctx->one, left,
874 isl_basic_map_inequality_to_equality(bmap, k);
879 isl_basic_map_free(bmap);
883 static int is_comparator(struct isl_token *tok)
900 static struct isl_basic_map *add_constraint(struct isl_stream *s,
901 struct vars *v, struct isl_basic_map *bmap)
904 struct isl_token *tok = NULL;
905 struct isl_mat *aff1 = NULL, *aff2 = NULL;
907 bmap = isl_basic_map_cow(bmap);
909 aff1 = accept_affine_list(s, v);
912 tok = isl_stream_next_token(s);
913 if (!is_comparator(tok)) {
914 isl_stream_error(s, tok, "missing operator");
916 isl_stream_push_token(s, tok);
921 aff2 = accept_affine_list(s, v);
925 aff1 = isl_mat_add_zero_cols(aff1, aff2->n_col - aff1->n_col);
928 bmap = add_divs(bmap, v);
929 bmap = isl_basic_map_extend_constraints(bmap, 0,
930 aff1->n_row * aff2->n_row);
931 for (i = 0; i < aff1->n_row; ++i)
932 for (j = 0; j < aff2->n_row; ++j)
933 bmap = construct_constraint(bmap, tok->type,
934 aff1->row[i], aff2->row[j]);
939 tok = isl_stream_next_token(s);
940 if (!is_comparator(tok)) {
942 isl_stream_push_token(s, tok);
954 isl_basic_map_free(bmap);
958 static isl_map *read_constraint(struct isl_stream *s,
959 struct vars *v, __isl_take isl_basic_map *bmap)
966 bmap = add_constraint(s, v, bmap);
967 bmap = isl_basic_map_simplify(bmap);
968 bmap = isl_basic_map_finalize(bmap);
970 vars_drop(v, v->n - n);
972 return isl_map_from_basic_map(bmap);
975 static struct isl_map *read_disjuncts(struct isl_stream *s,
976 struct vars *v, __isl_take isl_basic_map *bmap);
978 static __isl_give isl_map *read_exists(struct isl_stream *s,
979 struct vars *v, __isl_take isl_basic_map *bmap)
982 int seen_paren = isl_stream_eat_if_available(s, '(');
985 bmap = isl_basic_map_from_domain(isl_basic_map_wrap(bmap));
986 bmap = read_defined_var_list(s, v, bmap);
988 if (isl_stream_eat(s, ':'))
991 map = read_disjuncts(s, v, bmap);
992 map = isl_set_unwrap(isl_map_domain(map));
995 vars_drop(v, v->n - n);
996 if (seen_paren && isl_stream_eat(s, ')'))
1001 isl_basic_map_free(bmap);
1006 static __isl_give isl_map *read_conjunct(struct isl_stream *s,
1007 struct vars *v, __isl_take isl_basic_map *bmap)
1011 if (isl_stream_eat_if_available(s, '(')) {
1012 map = read_disjuncts(s, v, bmap);
1013 if (isl_stream_eat(s, ')'))
1018 if (isl_stream_eat_if_available(s, ISL_TOKEN_EXISTS))
1019 return read_exists(s, v, bmap);
1021 if (isl_stream_eat_if_available(s, ISL_TOKEN_TRUE))
1022 return isl_map_from_basic_map(bmap);
1024 if (isl_stream_eat_if_available(s, ISL_TOKEN_FALSE)) {
1025 isl_dim *dim = isl_basic_map_get_dim(bmap);
1026 isl_basic_map_free(bmap);
1027 return isl_map_empty(dim);
1030 return read_constraint(s, v, bmap);
1036 static __isl_give isl_map *read_conjuncts(struct isl_stream *s,
1037 struct vars *v, __isl_take isl_basic_map *bmap)
1042 negate = isl_stream_eat_if_available(s, ISL_TOKEN_NOT);
1043 map = read_conjunct(s, v, isl_basic_map_copy(bmap));
1046 t = isl_map_from_basic_map(isl_basic_map_copy(bmap));
1047 map = isl_map_subtract(t, map);
1050 while (isl_stream_eat_if_available(s, ISL_TOKEN_AND)) {
1053 negate = isl_stream_eat_if_available(s, ISL_TOKEN_NOT);
1054 map_i = read_conjunct(s, v, isl_basic_map_copy(bmap));
1056 map = isl_map_subtract(map, map_i);
1058 map = isl_map_intersect(map, map_i);
1061 isl_basic_map_free(bmap);
1065 static struct isl_map *read_disjuncts(struct isl_stream *s,
1066 struct vars *v, __isl_take isl_basic_map *bmap)
1068 struct isl_map *map;
1070 if (isl_stream_next_token_is(s, '}')) {
1071 isl_dim *dim = isl_basic_map_get_dim(bmap);
1072 isl_basic_map_free(bmap);
1073 return isl_map_universe(dim);
1076 map = read_conjuncts(s, v, isl_basic_map_copy(bmap));
1077 while (isl_stream_eat_if_available(s, ISL_TOKEN_OR)) {
1080 map_i = read_conjuncts(s, v, isl_basic_map_copy(bmap));
1081 map = isl_map_union(map, map_i);
1084 isl_basic_map_free(bmap);
1088 static int polylib_pos_to_isl_pos(__isl_keep isl_basic_map *bmap, int pos)
1090 if (pos < isl_basic_map_dim(bmap, isl_dim_out))
1091 return 1 + isl_basic_map_dim(bmap, isl_dim_param) +
1092 isl_basic_map_dim(bmap, isl_dim_in) + pos;
1093 pos -= isl_basic_map_dim(bmap, isl_dim_out);
1095 if (pos < isl_basic_map_dim(bmap, isl_dim_in))
1096 return 1 + isl_basic_map_dim(bmap, isl_dim_param) + pos;
1097 pos -= isl_basic_map_dim(bmap, isl_dim_in);
1099 if (pos < isl_basic_map_dim(bmap, isl_dim_div))
1100 return 1 + isl_basic_map_dim(bmap, isl_dim_param) +
1101 isl_basic_map_dim(bmap, isl_dim_in) +
1102 isl_basic_map_dim(bmap, isl_dim_out) + pos;
1103 pos -= isl_basic_map_dim(bmap, isl_dim_div);
1105 if (pos < isl_basic_map_dim(bmap, isl_dim_param))
1111 static __isl_give isl_basic_map *basic_map_read_polylib_constraint(
1112 struct isl_stream *s, __isl_take isl_basic_map *bmap)
1115 struct isl_token *tok;
1125 nparam = isl_basic_map_dim(bmap, isl_dim_param);
1126 dim = isl_basic_map_dim(bmap, isl_dim_out);
1128 tok = isl_stream_next_token(s);
1129 if (!tok || tok->type != ISL_TOKEN_VALUE) {
1130 isl_stream_error(s, tok, "expecting coefficient");
1132 isl_stream_push_token(s, tok);
1135 if (!tok->on_new_line) {
1136 isl_stream_error(s, tok, "coefficient should appear on new line");
1137 isl_stream_push_token(s, tok);
1141 type = isl_int_get_si(tok->u.v);
1142 isl_token_free(tok);
1144 isl_assert(s->ctx, type == 0 || type == 1, goto error);
1146 k = isl_basic_map_alloc_equality(bmap);
1149 k = isl_basic_map_alloc_inequality(bmap);
1155 for (j = 0; j < 1 + isl_basic_map_total_dim(bmap); ++j) {
1157 tok = isl_stream_next_token(s);
1158 if (!tok || tok->type != ISL_TOKEN_VALUE) {
1159 isl_stream_error(s, tok, "expecting coefficient");
1161 isl_stream_push_token(s, tok);
1164 if (tok->on_new_line) {
1165 isl_stream_error(s, tok,
1166 "coefficient should not appear on new line");
1167 isl_stream_push_token(s, tok);
1170 pos = polylib_pos_to_isl_pos(bmap, j);
1171 isl_int_set(c[pos], tok->u.v);
1172 isl_token_free(tok);
1177 isl_basic_map_free(bmap);
1181 static __isl_give isl_basic_map *basic_map_read_polylib(struct isl_stream *s,
1185 struct isl_token *tok;
1186 struct isl_token *tok2;
1189 unsigned in = 0, out, local = 0;
1190 struct isl_basic_map *bmap = NULL;
1195 tok = isl_stream_next_token(s);
1197 isl_stream_error(s, NULL, "unexpected EOF");
1200 tok2 = isl_stream_next_token(s);
1202 isl_token_free(tok);
1203 isl_stream_error(s, NULL, "unexpected EOF");
1206 if (tok->type != ISL_TOKEN_VALUE || tok2->type != ISL_TOKEN_VALUE) {
1207 isl_stream_push_token(s, tok2);
1208 isl_stream_push_token(s, tok);
1209 isl_stream_error(s, NULL,
1210 "expecting constraint matrix dimensions");
1213 n_row = isl_int_get_si(tok->u.v);
1214 n_col = isl_int_get_si(tok2->u.v);
1215 on_new_line = tok2->on_new_line;
1216 isl_token_free(tok2);
1217 isl_token_free(tok);
1218 isl_assert(s->ctx, !on_new_line, return NULL);
1219 isl_assert(s->ctx, n_row >= 0, return NULL);
1220 isl_assert(s->ctx, n_col >= 2 + nparam, return NULL);
1221 tok = isl_stream_next_token_on_same_line(s);
1223 if (tok->type != ISL_TOKEN_VALUE) {
1224 isl_stream_error(s, tok,
1225 "expecting number of output dimensions");
1226 isl_stream_push_token(s, tok);
1229 out = isl_int_get_si(tok->u.v);
1230 isl_token_free(tok);
1232 tok = isl_stream_next_token_on_same_line(s);
1233 if (!tok || tok->type != ISL_TOKEN_VALUE) {
1234 isl_stream_error(s, tok,
1235 "expecting number of input dimensions");
1237 isl_stream_push_token(s, tok);
1240 in = isl_int_get_si(tok->u.v);
1241 isl_token_free(tok);
1243 tok = isl_stream_next_token_on_same_line(s);
1244 if (!tok || tok->type != ISL_TOKEN_VALUE) {
1245 isl_stream_error(s, tok,
1246 "expecting number of existentials");
1248 isl_stream_push_token(s, tok);
1251 local = isl_int_get_si(tok->u.v);
1252 isl_token_free(tok);
1254 tok = isl_stream_next_token_on_same_line(s);
1255 if (!tok || tok->type != ISL_TOKEN_VALUE) {
1256 isl_stream_error(s, tok,
1257 "expecting number of parameters");
1259 isl_stream_push_token(s, tok);
1262 nparam = isl_int_get_si(tok->u.v);
1263 isl_token_free(tok);
1264 if (n_col != 1 + out + in + local + nparam + 1) {
1265 isl_stream_error(s, NULL,
1266 "dimensions don't match");
1270 out = n_col - 2 - nparam;
1271 bmap = isl_basic_map_alloc(s->ctx, nparam, in, out, local, n_row, n_row);
1275 for (i = 0; i < local; ++i) {
1276 int k = isl_basic_map_alloc_div(bmap);
1279 isl_seq_clr(bmap->div[k], 1 + 1 + nparam + in + out + local);
1282 for (i = 0; i < n_row; ++i)
1283 bmap = basic_map_read_polylib_constraint(s, bmap);
1285 tok = isl_stream_next_token_on_same_line(s);
1287 isl_stream_error(s, tok, "unexpected extra token on line");
1288 isl_stream_push_token(s, tok);
1292 bmap = isl_basic_map_simplify(bmap);
1293 bmap = isl_basic_map_finalize(bmap);
1296 isl_basic_map_free(bmap);
1300 static struct isl_map *map_read_polylib(struct isl_stream *s, int nparam)
1302 struct isl_token *tok;
1303 struct isl_token *tok2;
1305 struct isl_map *map;
1307 tok = isl_stream_next_token(s);
1309 isl_stream_error(s, NULL, "unexpected EOF");
1312 tok2 = isl_stream_next_token_on_same_line(s);
1313 if (tok2 && tok2->type == ISL_TOKEN_VALUE) {
1314 isl_stream_push_token(s, tok2);
1315 isl_stream_push_token(s, tok);
1316 return isl_map_from_basic_map(basic_map_read_polylib(s, nparam));
1319 isl_stream_error(s, tok2, "unexpected token");
1320 isl_stream_push_token(s, tok2);
1321 isl_stream_push_token(s, tok);
1324 n = isl_int_get_si(tok->u.v);
1325 isl_token_free(tok);
1327 isl_assert(s->ctx, n >= 1, return NULL);
1329 map = isl_map_from_basic_map(basic_map_read_polylib(s, nparam));
1331 for (i = 1; map && i < n; ++i)
1332 map = isl_map_union(map,
1333 isl_map_from_basic_map(basic_map_read_polylib(s, nparam)));
1338 static int optional_power(struct isl_stream *s)
1341 struct isl_token *tok;
1343 tok = isl_stream_next_token(s);
1346 if (tok->type != '^') {
1347 isl_stream_push_token(s, tok);
1350 isl_token_free(tok);
1351 tok = isl_stream_next_token(s);
1352 if (!tok || tok->type != ISL_TOKEN_VALUE) {
1353 isl_stream_error(s, tok, "expecting exponent");
1355 isl_stream_push_token(s, tok);
1358 pow = isl_int_get_si(tok->u.v);
1359 isl_token_free(tok);
1363 static __isl_give isl_div *read_div(struct isl_stream *s,
1364 __isl_take isl_dim *dim, struct vars *v)
1367 isl_basic_map *bmap;
1370 bmap = isl_basic_map_universe(dim);
1372 if (vars_add_anon(v) < 0)
1374 if (read_div_definition(s, v) < 0)
1376 bmap = add_divs(bmap, v);
1377 bmap = isl_basic_map_order_divs(bmap);
1380 vars_drop(v, v->n - n);
1382 return isl_basic_map_div(bmap, bmap->n_div - 1);
1384 isl_basic_map_free(bmap);
1388 static __isl_give isl_qpolynomial *read_term(struct isl_stream *s,
1389 __isl_keep isl_basic_map *bmap, struct vars *v);
1391 static __isl_give isl_qpolynomial *read_factor(struct isl_stream *s,
1392 __isl_keep isl_basic_map *bmap, struct vars *v)
1394 struct isl_qpolynomial *qp;
1395 struct isl_token *tok;
1397 tok = next_token(s);
1399 isl_stream_error(s, NULL, "unexpected EOF");
1402 if (tok->type == '(') {
1405 isl_token_free(tok);
1406 qp = read_term(s, bmap, v);
1409 if (isl_stream_eat(s, ')'))
1411 pow = optional_power(s);
1412 qp = isl_qpolynomial_pow(qp, pow);
1413 } else if (tok->type == ISL_TOKEN_VALUE) {
1414 struct isl_token *tok2;
1415 tok2 = isl_stream_next_token(s);
1416 if (tok2 && tok2->type == '/') {
1417 isl_token_free(tok2);
1418 tok2 = next_token(s);
1419 if (!tok2 || tok2->type != ISL_TOKEN_VALUE) {
1420 isl_stream_error(s, tok2, "expected denominator");
1421 isl_token_free(tok);
1422 isl_token_free(tok2);
1425 qp = isl_qpolynomial_rat_cst(isl_basic_map_get_dim(bmap),
1426 tok->u.v, tok2->u.v);
1427 isl_token_free(tok2);
1429 isl_stream_push_token(s, tok2);
1430 qp = isl_qpolynomial_cst(isl_basic_map_get_dim(bmap),
1433 isl_token_free(tok);
1434 } else if (tok->type == ISL_TOKEN_INFTY) {
1435 isl_token_free(tok);
1436 qp = isl_qpolynomial_infty(isl_basic_map_get_dim(bmap));
1437 } else if (tok->type == ISL_TOKEN_NAN) {
1438 isl_token_free(tok);
1439 qp = isl_qpolynomial_nan(isl_basic_map_get_dim(bmap));
1440 } else if (tok->type == ISL_TOKEN_IDENT) {
1442 int pos = vars_pos(v, tok->u.s, -1);
1445 isl_token_free(tok);
1449 vars_drop(v, v->n - n);
1450 isl_stream_error(s, tok, "unknown identifier");
1451 isl_token_free(tok);
1454 isl_token_free(tok);
1455 pow = optional_power(s);
1456 qp = isl_qpolynomial_var_pow(isl_basic_map_get_dim(bmap), pos, pow);
1457 } else if (tok->type == '[') {
1461 isl_stream_push_token(s, tok);
1462 div = read_div(s, isl_basic_map_get_dim(bmap), v);
1463 pow = optional_power(s);
1464 qp = isl_qpolynomial_div_pow(div, pow);
1465 } else if (tok->type == '-') {
1466 struct isl_qpolynomial *qp2;
1468 isl_token_free(tok);
1469 qp = isl_qpolynomial_cst(isl_basic_map_get_dim(bmap),
1471 qp2 = read_factor(s, bmap, v);
1472 qp = isl_qpolynomial_mul(qp, qp2);
1474 isl_stream_error(s, tok, "unexpected isl_token");
1475 isl_stream_push_token(s, tok);
1479 if (isl_stream_eat_if_available(s, '*') ||
1480 isl_stream_next_token_is(s, ISL_TOKEN_IDENT)) {
1481 struct isl_qpolynomial *qp2;
1483 qp2 = read_factor(s, bmap, v);
1484 qp = isl_qpolynomial_mul(qp, qp2);
1489 isl_qpolynomial_free(qp);
1493 static __isl_give isl_qpolynomial *read_term(struct isl_stream *s,
1494 __isl_keep isl_basic_map *bmap, struct vars *v)
1496 struct isl_token *tok;
1497 struct isl_qpolynomial *qp;
1499 qp = read_factor(s, bmap, v);
1502 tok = next_token(s);
1506 if (tok->type == '+') {
1507 struct isl_qpolynomial *qp2;
1509 isl_token_free(tok);
1510 qp2 = read_factor(s, bmap, v);
1511 qp = isl_qpolynomial_add(qp, qp2);
1512 } else if (tok->type == '-') {
1513 struct isl_qpolynomial *qp2;
1515 isl_token_free(tok);
1516 qp2 = read_factor(s, bmap, v);
1517 qp = isl_qpolynomial_sub(qp, qp2);
1518 } else if (tok->type == ISL_TOKEN_VALUE &&
1519 isl_int_is_neg(tok->u.v)) {
1520 struct isl_qpolynomial *qp2;
1522 isl_stream_push_token(s, tok);
1523 qp2 = read_factor(s, bmap, v);
1524 qp = isl_qpolynomial_add(qp, qp2);
1526 isl_stream_push_token(s, tok);
1534 static __isl_give isl_map *read_optional_disjuncts(struct isl_stream *s,
1535 __isl_take isl_basic_map *bmap, struct vars *v)
1537 struct isl_token *tok;
1538 struct isl_map *map;
1540 tok = isl_stream_next_token(s);
1542 isl_stream_error(s, NULL, "unexpected EOF");
1545 map = isl_map_from_basic_map(isl_basic_map_copy(bmap));
1546 if (tok->type == ':' ||
1547 (tok->type == ISL_TOKEN_OR && !strcmp(tok->u.s, "|"))) {
1548 isl_token_free(tok);
1549 map = isl_map_intersect(map,
1550 read_disjuncts(s, v, isl_basic_map_copy(bmap)));
1552 isl_stream_push_token(s, tok);
1554 isl_basic_map_free(bmap);
1558 isl_basic_map_free(bmap);
1562 static struct isl_obj obj_read_poly(struct isl_stream *s,
1563 __isl_take isl_basic_map *bmap, struct vars *v, int n)
1565 struct isl_obj obj = { isl_obj_pw_qpolynomial, NULL };
1566 struct isl_pw_qpolynomial *pwqp;
1567 struct isl_qpolynomial *qp;
1568 struct isl_map *map;
1569 struct isl_set *set;
1571 qp = read_term(s, bmap, v);
1572 map = read_optional_disjuncts(s, bmap, v);
1573 set = isl_map_range(map);
1575 pwqp = isl_pw_qpolynomial_alloc(set, qp);
1577 vars_drop(v, v->n - n);
1583 static struct isl_obj obj_read_poly_or_fold(struct isl_stream *s,
1584 __isl_take isl_basic_map *bmap, struct vars *v, int n)
1586 struct isl_obj obj = { isl_obj_pw_qpolynomial_fold, NULL };
1587 struct isl_obj obj_p;
1588 isl_qpolynomial *qp;
1589 isl_qpolynomial_fold *fold = NULL;
1590 isl_pw_qpolynomial_fold *pwf;
1594 if (!isl_stream_eat_if_available(s, ISL_TOKEN_MAX))
1595 return obj_read_poly(s, bmap, v, n);
1597 if (isl_stream_eat(s, '('))
1600 qp = read_term(s, bmap, v);
1601 fold = isl_qpolynomial_fold_alloc(isl_fold_max, qp);
1603 while (isl_stream_eat_if_available(s, ',')) {
1604 isl_qpolynomial_fold *fold_i;
1605 qp = read_term(s, bmap, v);
1606 fold_i = isl_qpolynomial_fold_alloc(isl_fold_max, qp);
1607 fold = isl_qpolynomial_fold_fold(fold, fold_i);
1610 if (isl_stream_eat(s, ')'))
1613 map = read_optional_disjuncts(s, bmap, v);
1614 set = isl_map_range(map);
1615 pwf = isl_pw_qpolynomial_fold_alloc(isl_fold_max, set, fold);
1617 vars_drop(v, v->n - n);
1622 isl_basic_map_free(bmap);
1623 isl_qpolynomial_fold_free(fold);
1624 obj.type = isl_obj_none;
1628 static int is_rational(struct isl_stream *s)
1630 struct isl_token *tok;
1632 tok = isl_stream_next_token(s);
1635 if (tok->type == ISL_TOKEN_RAT && isl_stream_next_token_is(s, ':')) {
1636 isl_token_free(tok);
1637 isl_stream_eat(s, ':');
1641 isl_stream_push_token(s, tok);
1646 static struct isl_obj obj_read_body(struct isl_stream *s,
1647 __isl_take isl_basic_map *bmap, struct vars *v)
1649 struct isl_map *map = NULL;
1650 struct isl_token *tok;
1651 struct isl_obj obj = { isl_obj_set, NULL };
1655 bmap = isl_basic_map_set_rational(bmap);
1657 if (!next_is_tuple(s))
1658 return obj_read_poly_or_fold(s, bmap, v, n);
1660 bmap = read_tuple(s, bmap, isl_dim_in, v);
1663 tok = isl_stream_next_token(s);
1664 if (tok && tok->type == ISL_TOKEN_TO) {
1665 obj.type = isl_obj_map;
1666 isl_token_free(tok);
1667 if (!next_is_tuple(s)) {
1668 bmap = isl_basic_map_reverse(bmap);
1669 return obj_read_poly_or_fold(s, bmap, v, n);
1671 bmap = read_tuple(s, bmap, isl_dim_out, v);
1675 bmap = isl_basic_map_reverse(bmap);
1677 isl_stream_push_token(s, tok);
1680 map = read_optional_disjuncts(s, bmap, v);
1682 vars_drop(v, v->n - n);
1687 isl_basic_map_free(bmap);
1688 obj.type = isl_obj_none;
1692 static struct isl_obj to_union(isl_ctx *ctx, struct isl_obj obj)
1694 if (obj.type == isl_obj_map) {
1695 obj.v = isl_union_map_from_map(obj.v);
1696 obj.type = isl_obj_union_map;
1697 } else if (obj.type == isl_obj_set) {
1698 obj.v = isl_union_set_from_set(obj.v);
1699 obj.type = isl_obj_union_set;
1700 } else if (obj.type == isl_obj_pw_qpolynomial) {
1701 obj.v = isl_union_pw_qpolynomial_from_pw_qpolynomial(obj.v);
1702 obj.type = isl_obj_union_pw_qpolynomial;
1703 } else if (obj.type == isl_obj_pw_qpolynomial_fold) {
1704 obj.v = isl_union_pw_qpolynomial_fold_from_pw_qpolynomial_fold(obj.v);
1705 obj.type = isl_obj_union_pw_qpolynomial_fold;
1707 isl_assert(ctx, 0, goto error);
1710 obj.type->free(obj.v);
1711 obj.type = isl_obj_none;
1715 static struct isl_obj obj_add(struct isl_ctx *ctx,
1716 struct isl_obj obj1, struct isl_obj obj2)
1718 if (obj1.type == isl_obj_set && obj2.type == isl_obj_union_set)
1719 obj1 = to_union(ctx, obj1);
1720 if (obj1.type == isl_obj_union_set && obj2.type == isl_obj_set)
1721 obj2 = to_union(ctx, obj2);
1722 if (obj1.type == isl_obj_map && obj2.type == isl_obj_union_map)
1723 obj1 = to_union(ctx, obj1);
1724 if (obj1.type == isl_obj_union_map && obj2.type == isl_obj_map)
1725 obj2 = to_union(ctx, obj2);
1726 if (obj1.type == isl_obj_pw_qpolynomial &&
1727 obj2.type == isl_obj_union_pw_qpolynomial)
1728 obj1 = to_union(ctx, obj1);
1729 if (obj1.type == isl_obj_union_pw_qpolynomial &&
1730 obj2.type == isl_obj_pw_qpolynomial)
1731 obj2 = to_union(ctx, obj2);
1732 if (obj1.type == isl_obj_pw_qpolynomial_fold &&
1733 obj2.type == isl_obj_union_pw_qpolynomial_fold)
1734 obj1 = to_union(ctx, obj1);
1735 if (obj1.type == isl_obj_union_pw_qpolynomial_fold &&
1736 obj2.type == isl_obj_pw_qpolynomial_fold)
1737 obj2 = to_union(ctx, obj2);
1738 isl_assert(ctx, obj1.type == obj2.type, goto error);
1739 if (obj1.type == isl_obj_map && !isl_map_has_equal_dim(obj1.v, obj2.v)) {
1740 obj1 = to_union(ctx, obj1);
1741 obj2 = to_union(ctx, obj2);
1743 if (obj1.type == isl_obj_set && !isl_set_has_equal_dim(obj1.v, obj2.v)) {
1744 obj1 = to_union(ctx, obj1);
1745 obj2 = to_union(ctx, obj2);
1747 if (obj1.type == isl_obj_pw_qpolynomial &&
1748 !isl_pw_qpolynomial_has_equal_dim(obj1.v, obj2.v)) {
1749 obj1 = to_union(ctx, obj1);
1750 obj2 = to_union(ctx, obj2);
1752 if (obj1.type == isl_obj_pw_qpolynomial_fold &&
1753 !isl_pw_qpolynomial_fold_has_equal_dim(obj1.v, obj2.v)) {
1754 obj1 = to_union(ctx, obj1);
1755 obj2 = to_union(ctx, obj2);
1757 obj1.v = obj1.type->add(obj1.v, obj2.v);
1760 obj1.type->free(obj1.v);
1761 obj2.type->free(obj2.v);
1762 obj1.type = isl_obj_none;
1767 static struct isl_obj obj_read(struct isl_stream *s, int nparam)
1769 isl_basic_map *bmap = NULL;
1770 struct isl_token *tok;
1771 struct vars *v = NULL;
1772 struct isl_obj obj = { isl_obj_set, NULL };
1774 tok = next_token(s);
1776 isl_stream_error(s, NULL, "unexpected EOF");
1779 if (tok->type == ISL_TOKEN_VALUE) {
1780 struct isl_token *tok2;
1781 struct isl_map *map;
1783 tok2 = isl_stream_next_token(s);
1784 if (!tok2 || tok2->type != ISL_TOKEN_VALUE ||
1785 isl_int_is_neg(tok2->u.v)) {
1787 isl_stream_push_token(s, tok2);
1788 obj.type = isl_obj_int;
1789 obj.v = isl_int_obj_alloc(s->ctx, tok->u.v);
1790 isl_token_free(tok);
1793 isl_stream_push_token(s, tok2);
1794 isl_stream_push_token(s, tok);
1795 map = map_read_polylib(s, nparam);
1798 if (isl_map_dim(map, isl_dim_in) > 0)
1799 obj.type = isl_obj_map;
1803 v = vars_new(s->ctx);
1805 isl_stream_push_token(s, tok);
1808 bmap = isl_basic_map_alloc(s->ctx, 0, 0, 0, 0, 0, 0);
1809 if (tok->type == '[') {
1810 isl_stream_push_token(s, tok);
1811 bmap = read_tuple(s, bmap, isl_dim_param, v);
1815 isl_assert(s->ctx, nparam == v->n, goto error);
1816 tok = isl_stream_next_token(s);
1817 if (!tok || tok->type != ISL_TOKEN_TO) {
1818 isl_stream_error(s, tok, "expecting '->'");
1820 isl_stream_push_token(s, tok);
1823 isl_token_free(tok);
1824 tok = isl_stream_next_token(s);
1825 } else if (nparam > 0)
1826 bmap = isl_basic_map_add(bmap, isl_dim_param, nparam);
1827 if (!tok || tok->type != '{') {
1828 isl_stream_error(s, tok, "expecting '{'");
1830 isl_stream_push_token(s, tok);
1833 isl_token_free(tok);
1835 tok = isl_stream_next_token(s);
1838 else if (tok->type == ISL_TOKEN_IDENT && !strcmp(tok->u.s, "Sym")) {
1839 isl_token_free(tok);
1840 if (isl_stream_eat(s, '='))
1842 bmap = read_tuple(s, bmap, isl_dim_param, v);
1846 isl_assert(s->ctx, nparam == v->n, goto error);
1847 } else if (tok->type == '}') {
1848 obj.type = isl_obj_union_set;
1849 obj.v = isl_union_set_empty(isl_basic_map_get_dim(bmap));
1850 isl_token_free(tok);
1853 isl_stream_push_token(s, tok);
1858 o = obj_read_body(s, isl_basic_map_copy(bmap), v);
1859 if (o.type == isl_obj_none || !o.v)
1864 obj = obj_add(s->ctx, obj, o);
1865 if (obj.type == isl_obj_none || !obj.v)
1868 tok = isl_stream_next_token(s);
1869 if (!tok || tok->type != ';')
1871 isl_token_free(tok);
1872 if (isl_stream_next_token_is(s, '}')) {
1873 tok = isl_stream_next_token(s);
1878 if (tok && tok->type == '}') {
1879 isl_token_free(tok);
1881 isl_stream_error(s, tok, "unexpected isl_token");
1883 isl_token_free(tok);
1888 isl_basic_map_free(bmap);
1892 isl_basic_map_free(bmap);
1893 obj.type->free(obj.v);
1900 struct isl_obj isl_stream_read_obj(struct isl_stream *s)
1902 return obj_read(s, -1);
1905 __isl_give isl_map *isl_stream_read_map(struct isl_stream *s, int nparam)
1908 struct isl_map *map;
1910 obj = obj_read(s, nparam);
1912 isl_assert(s->ctx, obj.type == isl_obj_map ||
1913 obj.type == isl_obj_set, goto error);
1917 obj.type->free(obj.v);
1921 __isl_give isl_set *isl_stream_read_set(struct isl_stream *s, int nparam)
1924 struct isl_set *set;
1926 obj = obj_read(s, nparam);
1928 isl_assert(s->ctx, obj.type == isl_obj_set, goto error);
1932 obj.type->free(obj.v);
1936 __isl_give isl_union_map *isl_stream_read_union_map(struct isl_stream *s)
1939 isl_union_map *umap;
1941 obj = obj_read(s, -1);
1942 if (obj.type == isl_obj_map) {
1943 obj.type = isl_obj_union_map;
1944 obj.v = isl_union_map_from_map(obj.v);
1946 if (obj.type == isl_obj_set) {
1947 obj.type = isl_obj_union_set;
1948 obj.v = isl_union_set_from_set(obj.v);
1951 isl_assert(s->ctx, obj.type == isl_obj_union_map ||
1952 obj.type == isl_obj_union_set, goto error);
1956 obj.type->free(obj.v);
1960 __isl_give isl_union_set *isl_stream_read_union_set(struct isl_stream *s)
1963 isl_union_set *uset;
1965 obj = obj_read(s, -1);
1966 if (obj.type == isl_obj_set) {
1967 obj.type = isl_obj_union_set;
1968 obj.v = isl_union_set_from_set(obj.v);
1971 isl_assert(s->ctx, obj.type == isl_obj_union_set, goto error);
1975 obj.type->free(obj.v);
1979 static struct isl_basic_map *basic_map_read(struct isl_stream *s, int nparam)
1982 struct isl_map *map;
1983 struct isl_basic_map *bmap;
1985 obj = obj_read(s, nparam);
1990 isl_assert(map->ctx, map->n <= 1, goto error);
1993 bmap = isl_basic_map_empty_like_map(map);
1995 bmap = isl_basic_map_copy(map->p[0]);
2005 __isl_give isl_basic_map *isl_basic_map_read_from_file(isl_ctx *ctx,
2006 FILE *input, int nparam)
2008 struct isl_basic_map *bmap;
2009 struct isl_stream *s = isl_stream_new_file(ctx, input);
2012 bmap = basic_map_read(s, nparam);
2017 __isl_give isl_basic_set *isl_basic_set_read_from_file(isl_ctx *ctx,
2018 FILE *input, int nparam)
2020 struct isl_basic_map *bmap;
2021 bmap = isl_basic_map_read_from_file(ctx, input, nparam);
2024 isl_assert(ctx, isl_basic_map_n_in(bmap) == 0, goto error);
2025 return (struct isl_basic_set *)bmap;
2027 isl_basic_map_free(bmap);
2031 struct isl_basic_map *isl_basic_map_read_from_str(struct isl_ctx *ctx,
2032 const char *str, int nparam)
2034 struct isl_basic_map *bmap;
2035 struct isl_stream *s = isl_stream_new_str(ctx, str);
2038 bmap = basic_map_read(s, nparam);
2043 struct isl_basic_set *isl_basic_set_read_from_str(struct isl_ctx *ctx,
2044 const char *str, int nparam)
2046 struct isl_basic_map *bmap;
2047 bmap = isl_basic_map_read_from_str(ctx, str, nparam);
2050 isl_assert(ctx, isl_basic_map_n_in(bmap) == 0, goto error);
2051 return (struct isl_basic_set *)bmap;
2053 isl_basic_map_free(bmap);
2057 __isl_give isl_map *isl_map_read_from_file(struct isl_ctx *ctx,
2058 FILE *input, int nparam)
2060 struct isl_map *map;
2061 struct isl_stream *s = isl_stream_new_file(ctx, input);
2064 map = isl_stream_read_map(s, nparam);
2069 __isl_give isl_map *isl_map_read_from_str(struct isl_ctx *ctx,
2070 const char *str, int nparam)
2072 struct isl_map *map;
2073 struct isl_stream *s = isl_stream_new_str(ctx, str);
2076 map = isl_stream_read_map(s, nparam);
2081 __isl_give isl_set *isl_set_read_from_file(struct isl_ctx *ctx,
2082 FILE *input, int nparam)
2084 struct isl_map *map;
2085 map = isl_map_read_from_file(ctx, input, nparam);
2088 isl_assert(ctx, isl_map_n_in(map) == 0, goto error);
2089 return (struct isl_set *)map;
2095 struct isl_set *isl_set_read_from_str(struct isl_ctx *ctx,
2096 const char *str, int nparam)
2098 struct isl_map *map;
2099 map = isl_map_read_from_str(ctx, str, nparam);
2102 isl_assert(ctx, isl_map_n_in(map) == 0, goto error);
2103 return (struct isl_set *)map;
2109 __isl_give isl_union_map *isl_union_map_read_from_file(isl_ctx *ctx,
2112 isl_union_map *umap;
2113 struct isl_stream *s = isl_stream_new_file(ctx, input);
2116 umap = isl_stream_read_union_map(s);
2121 __isl_give isl_union_map *isl_union_map_read_from_str(struct isl_ctx *ctx,
2124 isl_union_map *umap;
2125 struct isl_stream *s = isl_stream_new_str(ctx, str);
2128 umap = isl_stream_read_union_map(s);
2133 __isl_give isl_union_set *isl_union_set_read_from_file(isl_ctx *ctx,
2136 isl_union_set *uset;
2137 struct isl_stream *s = isl_stream_new_file(ctx, input);
2140 uset = isl_stream_read_union_set(s);
2145 __isl_give isl_union_set *isl_union_set_read_from_str(struct isl_ctx *ctx,
2148 isl_union_set *uset;
2149 struct isl_stream *s = isl_stream_new_str(ctx, str);
2152 uset = isl_stream_read_union_set(s);
2157 static __isl_give isl_vec *isl_vec_read_polylib(struct isl_stream *s)
2159 struct isl_vec *vec = NULL;
2160 struct isl_token *tok;
2164 tok = isl_stream_next_token(s);
2165 if (!tok || tok->type != ISL_TOKEN_VALUE) {
2166 isl_stream_error(s, tok, "expecting vector length");
2170 size = isl_int_get_si(tok->u.v);
2171 isl_token_free(tok);
2173 vec = isl_vec_alloc(s->ctx, size);
2175 for (j = 0; j < size; ++j) {
2176 tok = isl_stream_next_token(s);
2177 if (!tok || tok->type != ISL_TOKEN_VALUE) {
2178 isl_stream_error(s, tok, "expecting constant value");
2181 isl_int_set(vec->el[j], tok->u.v);
2182 isl_token_free(tok);
2187 isl_token_free(tok);
2192 static __isl_give isl_vec *vec_read(struct isl_stream *s)
2194 return isl_vec_read_polylib(s);
2197 __isl_give isl_vec *isl_vec_read_from_file(isl_ctx *ctx, FILE *input)
2200 struct isl_stream *s = isl_stream_new_file(ctx, input);
2208 __isl_give isl_pw_qpolynomial *isl_stream_read_pw_qpolynomial(
2209 struct isl_stream *s)
2212 struct isl_pw_qpolynomial *pwqp;
2214 obj = obj_read(s, -1);
2216 isl_assert(s->ctx, obj.type == isl_obj_pw_qpolynomial,
2221 obj.type->free(obj.v);
2225 __isl_give isl_pw_qpolynomial *isl_pw_qpolynomial_read_from_str(isl_ctx *ctx,
2228 isl_pw_qpolynomial *pwqp;
2229 struct isl_stream *s = isl_stream_new_str(ctx, str);
2232 pwqp = isl_stream_read_pw_qpolynomial(s);