isl_tab_undo_bset_div,
isl_tab_undo_saved_basis,
isl_tab_undo_drop_sample,
+ isl_tab_undo_saved_samples,
};
union isl_tab_undo_val {
int var_index;
int *col_var;
+ int n;
};
struct isl_tab_undo {
* Dead columns and redundant rows are detected on the fly.
* However, the basic operations do not ensure that all dead columns
* or all redundant rows are detected.
- * isl_tab_detect_equalities and isl_tab_detect_redundant can be used
+ * isl_tab_detect_implicit_equalities and isl_tab_detect_redundant can be used
* to perform and exhaustive search for dead columns and redundant rows.
*
* The samples matrix contains "n_sample" integer points that have at some
unsigned n_sample;
unsigned n_outside;
+ int *sample_index;
struct isl_mat *samples;
+ int n_zero;
+ int n_unbounded;
+ struct isl_mat *basis;
+
unsigned need_undo : 1;
unsigned rational : 1;
unsigned empty : 1;
unsigned in_undo : 1;
unsigned M : 1;
+ unsigned cone : 1;
};
struct isl_tab *isl_tab_alloc(struct isl_ctx *ctx,
struct isl_tab *isl_tab_from_basic_map(struct isl_basic_map *bmap);
struct isl_tab *isl_tab_from_basic_set(struct isl_basic_set *bset);
-struct isl_tab *isl_tab_from_recession_cone(struct isl_basic_map *bmap);
+struct isl_tab *isl_tab_from_recession_cone(struct isl_basic_set *bset);
int isl_tab_cone_is_bounded(struct isl_tab *tab);
struct isl_basic_map *isl_basic_map_update_from_tab(struct isl_basic_map *bmap,
struct isl_tab *tab);
struct isl_basic_set *isl_basic_set_update_from_tab(struct isl_basic_set *bset,
struct isl_tab *tab);
-struct isl_tab *isl_tab_detect_equalities(struct isl_tab *tab);
+struct isl_tab *isl_tab_detect_implicit_equalities(struct isl_tab *tab);
struct isl_tab *isl_tab_detect_redundant(struct isl_tab *tab);
#define ISL_TAB_SAVE_DUAL (1 << 0)
enum isl_lp_result isl_tab_min(struct isl_tab *tab,
struct isl_tab *isl_tab_extend(struct isl_tab *tab, unsigned n_new);
struct isl_tab *isl_tab_add_ineq(struct isl_tab *tab, isl_int *ineq);
+struct isl_tab *isl_tab_add_eq(struct isl_tab *tab, isl_int *eq);
struct isl_tab *isl_tab_add_valid_eq(struct isl_tab *tab, isl_int *eq);
int isl_tab_is_equality(struct isl_tab *tab, int con);
int isl_tab_mark_redundant(struct isl_tab *tab, int row);
struct isl_tab *isl_tab_mark_empty(struct isl_tab *tab);
struct isl_tab *isl_tab_dup(struct isl_tab *tab);
+struct isl_tab *isl_tab_product(struct isl_tab *tab1, struct isl_tab *tab2);
int isl_tab_extend_cons(struct isl_tab *tab, unsigned n_new);
int isl_tab_allocate_con(struct isl_tab *tab);
int isl_tab_extend_vars(struct isl_tab *tab, unsigned n_new);
int isl_tab_add_row(struct isl_tab *tab, isl_int *line);
int isl_tab_row_is_redundant(struct isl_tab *tab, int row);
int isl_tab_min_at_most_neg_one(struct isl_tab *tab, struct isl_tab_var *var);
+int isl_tab_kill_col(struct isl_tab *tab, int col);
void isl_tab_push(struct isl_tab *tab, enum isl_tab_undo_type type);
void isl_tab_push_var(struct isl_tab *tab,
enum isl_tab_undo_type type, struct isl_tab_var *var);
void isl_tab_push_basis(struct isl_tab *tab);
+struct isl_tab *isl_tab_init_samples(struct isl_tab *tab);
+struct isl_tab *isl_tab_add_sample(struct isl_tab *tab,
+ __isl_take isl_vec *sample);
+struct isl_tab *isl_tab_drop_sample(struct isl_tab *tab, int s);
+void isl_tab_save_samples(struct isl_tab *tab);
+
+struct isl_tab *isl_tab_detect_equalities(struct isl_tab *tab,
+ struct isl_tab *tab_cone);
+
#endif