include/isl_set.h

   1 /*
   2  * Copyright 2008-2009 Katholieke Universiteit Leuven
   3  *
   4  * Use of this software is governed by the GNU LGPLv2.1 license
   5  *
   6  * Written by Sven Verdoolaege, K.U.Leuven, Departement
   7  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
   8  */
   9
  10 #ifndef ISL_SET_H
  11 #define ISL_SET_H
  12
  13 #include "isl_map.h"
  14 #include "isl_list.h"
  15 #include <isl_point.h>
  16
  17 #if defined(__cplusplus)
  18 extern "C" {
  19 #endif
  20
  21 /* A "basic set" is a basic map with a zero-dimensional
  22  * domain.
  23  */
  24 struct isl_basic_set {
  25         int ref;
  26 #define ISL_BASIC_SET_FINAL             (1 << 0)
  27 #define ISL_BASIC_SET_EMPTY             (1 << 1)
  28 #define ISL_BASIC_SET_NO_IMPLICIT       (1 << 2)
  29 #define ISL_BASIC_SET_NO_REDUNDANT      (1 << 3)
  30 #define ISL_BASIC_SET_RATIONAL          (1 << 4)
  31 #define ISL_BASIC_SET_NORMALIZED        (1 << 5)
  32 #define ISL_BASIC_SET_NORMALIZED_DIVS   (1 << 6)
  33 #define ISL_BASIC_SET_ALL_EQUALITIES    (1 << 7)
  34         unsigned flags;
  35
  36         struct isl_ctx *ctx;
  37
  38         struct isl_dim *dim;
  39         unsigned extra;
  40
  41         unsigned n_eq;
  42         unsigned n_ineq;
  43
  44         size_t c_size;
  45         isl_int **eq;
  46         isl_int **ineq;
  47
  48         unsigned n_div;
  49
  50         isl_int **div;
  51
  52         struct isl_vec *sample;
  53
  54         struct isl_blk block;
  55         struct isl_blk block2;
  56 };
  57
  58 /* A "set" is a (possibly disjoint) union of basic sets.
  59  *
  60  * See the documentation of isl_map.
  61  */
  62 struct isl_set {
  63         int ref;
  64 #define ISL_SET_DISJOINT                (1 << 0)
  65 #define ISL_SET_NORMALIZED              (1 << 1)
  66         unsigned flags;
  67
  68         struct isl_ctx *ctx;
  69
  70         struct isl_dim *dim;
  71
  72         int n;
  73
  74         size_t size;
  75         struct isl_basic_set *p[1];
  76 };
  77
  78 unsigned isl_basic_set_n_dim(const struct isl_basic_set *bset);
  79 unsigned isl_basic_set_n_param(const struct isl_basic_set *bset);
  80 unsigned isl_basic_set_total_dim(const struct isl_basic_set *bset);
  81 unsigned isl_basic_set_dim(const struct isl_basic_set *bset,
  82                                 enum isl_dim_type type);
  83
  84 unsigned isl_set_n_dim(const struct isl_set *set);
  85 unsigned isl_set_n_param(const struct isl_set *set);
  86 unsigned isl_set_dim(const struct isl_set *set, enum isl_dim_type type);
  87
  88 __isl_give isl_dim *isl_basic_set_get_dim(__isl_keep isl_basic_set *bset);
  89 __isl_give isl_dim *isl_set_get_dim(__isl_keep isl_set *set);
  90
  91 struct isl_basic_set *isl_basic_set_alloc(struct isl_ctx *ctx,
  92                 unsigned nparam, unsigned dim, unsigned extra,
  93                 unsigned n_eq, unsigned n_ineq);
  94 struct isl_basic_set *isl_basic_set_extend(struct isl_basic_set *base,
  95                 unsigned nparam, unsigned dim, unsigned extra,
  96                 unsigned n_eq, unsigned n_ineq);
  97 struct isl_basic_set *isl_basic_set_extend_constraints(
  98                 struct isl_basic_set *base, unsigned n_eq, unsigned n_ineq);
  99 struct isl_basic_set *isl_basic_set_finalize(struct isl_basic_set *bset);
 100 void isl_basic_set_free(__isl_take isl_basic_set *bset);
 101 __isl_give isl_basic_set *isl_basic_set_copy(__isl_keep isl_basic_set *bset);
 102 struct isl_basic_set *isl_basic_set_dup(struct isl_basic_set *bset);
 103 __isl_give isl_basic_set *isl_basic_set_empty(__isl_take isl_dim *dim);
 104 struct isl_basic_set *isl_basic_set_empty_like(struct isl_basic_set *bset);
 105 __isl_give isl_basic_set *isl_basic_set_universe(__isl_take isl_dim *dim);
 106 struct isl_basic_set *isl_basic_set_universe_like(struct isl_basic_set *bset);
 107 __isl_give isl_basic_set *isl_basic_set_universe_like_set(
 108         __isl_keep isl_set *model);
 109 struct isl_basic_set *isl_basic_set_interval(struct isl_ctx *ctx,
 110         isl_int min, isl_int max);
 111 struct isl_basic_set *isl_basic_set_positive_orthant(struct isl_dim *dims);
 112 void isl_basic_set_dump(__isl_keep isl_basic_set *bset,
 113                                 FILE *out, int indent);
 114 struct isl_basic_set *isl_basic_set_swap_vars(
 115                 struct isl_basic_set *bset, unsigned n);
 116 __isl_give isl_basic_set *isl_basic_set_intersect(
 117                 __isl_take isl_basic_set *bset1,
 118                 __isl_take isl_basic_set *bset2);
 119 __isl_give isl_basic_set *isl_basic_set_apply(
 120                 __isl_take isl_basic_set *bset,
 121                 __isl_take isl_basic_map *bmap);
 122 __isl_give isl_basic_set *isl_basic_set_affine_hull(
 123                 __isl_take isl_basic_set *bset);
 124 __isl_give isl_basic_set *isl_basic_set_remove(__isl_take isl_basic_set *bset,
 125         enum isl_dim_type type, unsigned first, unsigned n);
 126 struct isl_basic_set *isl_basic_set_simplify(struct isl_basic_set *bset);
 127 __isl_give isl_basic_set *isl_basic_set_detect_equalities(
 128                                                 __isl_take isl_basic_set *bset);
 129 struct isl_basic_set *isl_basic_set_product(struct isl_basic_set_list *list);
 130
 131 __isl_give isl_basic_set *isl_basic_set_read_from_file(isl_ctx *ctx,
 132                 FILE *input, int nparam);
 133 __isl_give isl_basic_set *isl_basic_set_read_from_str(isl_ctx *ctx,
 134                 const char *str, int nparam);
 135 __isl_give isl_set *isl_set_read_from_file(isl_ctx *ctx,
 136                 FILE *input, int nparam);
 137 __isl_give isl_set *isl_set_read_from_str(isl_ctx *ctx,
 138                 const char *str, int nparam);
 139 __isl_give isl_printer *isl_printer_print_basic_set(
 140         __isl_take isl_printer *printer, __isl_keep isl_basic_set *bset);
 141 __isl_give isl_printer *isl_printer_print_set(__isl_take isl_printer *printer,
 142         __isl_keep isl_set *map);
 143 void isl_basic_set_print(__isl_keep isl_basic_set *bset, FILE *out, int indent,
 144         const char *prefix, const char *suffix, unsigned output_format);
 145 void isl_set_print(__isl_keep struct isl_set *set, FILE *out, int indent,
 146         unsigned output_format);
 147 __isl_give isl_basic_set *isl_basic_set_fix(__isl_take isl_basic_set *bset,
 148                 enum isl_dim_type type, unsigned pos, isl_int value);
 149 struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
 150                 enum isl_dim_type type, unsigned pos, int value);
 151 __isl_give isl_set *isl_set_fix_si(__isl_take isl_set *set,
 152                 enum isl_dim_type type, unsigned pos, int value);
 153 __isl_give isl_set *isl_set_lower_bound_si(__isl_take isl_set *set,
 154                 enum isl_dim_type type, unsigned pos, int value);
 155
 156 struct isl_basic_set *isl_basic_set_from_underlying_set(
 157         struct isl_basic_set *bset, struct isl_basic_set *like);
 158 struct isl_set *isl_set_from_underlying_set(
 159         struct isl_set *set, struct isl_basic_set *like);
 160 struct isl_set *isl_set_to_underlying_set(struct isl_set *set);
 161
 162 int isl_basic_set_is_equal(
 163                 struct isl_basic_set *bset1, struct isl_basic_set *bset2);
 164
 165 __isl_give isl_set *isl_basic_set_partial_lexmin(
 166                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 167                 __isl_give isl_set **empty);
 168 __isl_give isl_set *isl_basic_set_partial_lexmax(
 169                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 170                 __isl_give isl_set **empty);
 171 __isl_give isl_set *isl_set_partial_lexmin(
 172                 __isl_take isl_set *set, __isl_take isl_set *dom,
 173                 __isl_give isl_set **empty);
 174 __isl_give isl_set *isl_set_partial_lexmax(
 175                 __isl_take isl_set *set, __isl_take isl_set *dom,
 176                 __isl_give isl_set **empty);
 177 __isl_give isl_set *isl_basic_set_lexmin(__isl_take isl_basic_set *bset);
 178 __isl_give isl_set *isl_basic_set_lexmax(__isl_take isl_basic_set *bset);
 179 __isl_give isl_set *isl_set_lexmin(__isl_take isl_set *set);
 180 __isl_give isl_set *isl_set_lexmax(__isl_take isl_set *set);
 181 __isl_give isl_set *isl_basic_set_union(
 182                 __isl_take isl_basic_set *bset1,
 183                 __isl_take isl_basic_set *bset2);
 184
 185 int isl_basic_set_compare_at(struct isl_basic_set *bset1,
 186         struct isl_basic_set *bset2, int pos);
 187 int isl_set_follows_at(__isl_keep isl_set *set1,
 188         __isl_keep isl_set *set2, int pos);
 189
 190 int isl_basic_set_dims_get_sign(__isl_keep isl_basic_set *bset,
 191         enum isl_dim_type type, unsigned pos, unsigned n, int *signs);
 192
 193 int isl_basic_set_is_universe(__isl_keep isl_basic_set *bset);
 194 int isl_basic_set_fast_is_empty(__isl_keep isl_basic_set *bset);
 195 int isl_basic_set_is_empty(__isl_keep isl_basic_set *bset);
 196
 197 struct isl_set *isl_set_alloc(struct isl_ctx *ctx,
 198                 unsigned nparam, unsigned dim, int n, unsigned flags);
 199 struct isl_set *isl_set_extend(struct isl_set *base,
 200                 unsigned nparam, unsigned dim);
 201 __isl_give isl_set *isl_set_empty(__isl_take isl_dim *dim);
 202 struct isl_set *isl_set_empty_like(struct isl_set *set);
 203 __isl_give isl_set *isl_set_universe(__isl_take isl_dim *dim);
 204 __isl_give isl_set *isl_set_universe_like(__isl_keep isl_set *model);
 205 __isl_give isl_set *isl_set_add_basic_set(__isl_take isl_set *set,
 206                                                 __isl_take isl_basic_set *bset);
 207 struct isl_set *isl_set_finalize(struct isl_set *set);
 208 __isl_give isl_set *isl_set_copy(__isl_keep isl_set *set);
 209 void isl_set_free(__isl_take isl_set *set);
 210 struct isl_set *isl_set_dup(struct isl_set *set);
 211 __isl_give isl_set *isl_set_from_basic_set(__isl_take isl_basic_set *bset);
 212 __isl_give isl_basic_set *isl_set_sample(__isl_take isl_set *set);
 213 __isl_give isl_point *isl_set_sample_point(__isl_take isl_set *set);
 214 __isl_give isl_set *isl_set_detect_equalities(__isl_take isl_set *set);
 215 __isl_give isl_basic_set *isl_set_affine_hull(__isl_take isl_set *set);
 216 __isl_give isl_basic_set *isl_set_convex_hull(__isl_take isl_set *set);
 217 __isl_give isl_basic_set *isl_set_simple_hull(__isl_take isl_set *set);
 218 struct isl_basic_set *isl_set_bounded_simple_hull(struct isl_set *set);
 219 __isl_give isl_set *isl_set_recession_cone(__isl_take isl_set *set);
 220
 221 struct isl_set *isl_set_union_disjoint(
 222                         struct isl_set *set1, struct isl_set *set2);
 223 __isl_give isl_set *isl_set_union(
 224                 __isl_take isl_set *set1,
 225                 __isl_take isl_set *set2);
 226 struct isl_set *isl_set_product(struct isl_set *set1, struct isl_set *set2);
 227 __isl_give isl_set *isl_set_intersect(
 228                 __isl_take isl_set *set1,
 229                 __isl_take isl_set *set2);
 230 __isl_give isl_set *isl_set_subtract(
 231                 __isl_take isl_set *set1,
 232                 __isl_take isl_set *set2);
 233 __isl_give isl_set *isl_set_complement(__isl_take isl_set *set);
 234 __isl_give isl_set *isl_set_apply(
 235                 __isl_take isl_set *set,
 236                 __isl_take isl_map *map);
 237 __isl_give isl_set *isl_set_fix(__isl_take isl_set *set,
 238                 enum isl_dim_type type, unsigned pos, isl_int value);
 239 struct isl_set *isl_set_fix_dim_si(struct isl_set *set,
 240                 unsigned dim, int value);
 241 struct isl_set *isl_set_lower_bound_dim(struct isl_set *set,
 242                 unsigned dim, isl_int value);
 243 __isl_give isl_basic_set *isl_basic_set_add(__isl_take isl_basic_set *bset,
 244                 enum isl_dim_type type, unsigned n);
 245 __isl_give isl_set *isl_set_add(__isl_take isl_set *set,
 246                 enum isl_dim_type type, unsigned n);
 247 __isl_give isl_basic_set *isl_basic_set_move_dims(__isl_take isl_basic_set *bset,
 248         enum isl_dim_type dst_type, unsigned dst_pos,
 249         enum isl_dim_type src_type, unsigned src_pos, unsigned n);
 250 __isl_give isl_set *isl_set_move_dims(__isl_take isl_set *set,
 251         enum isl_dim_type dst_type, unsigned dst_pos,
 252         enum isl_dim_type src_type, unsigned src_pos, unsigned n);
 253 __isl_give isl_basic_set *isl_basic_set_project_out(
 254                 __isl_take isl_basic_set *bset,
 255                 enum isl_dim_type type, unsigned first, unsigned n);
 256 __isl_give isl_set *isl_set_project_out(__isl_take isl_set *set,
 257                 enum isl_dim_type type, unsigned first, unsigned n);
 258 struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
 259                 unsigned first, unsigned n);
 260 struct isl_basic_set *isl_basic_set_remove_divs(struct isl_basic_set *bset);
 261 struct isl_set *isl_set_eliminate_dims(struct isl_set *set,
 262                 unsigned first, unsigned n);
 263 __isl_give isl_set *isl_set_remove(__isl_take isl_set *bset,
 264         enum isl_dim_type type, unsigned first, unsigned n);
 265 struct isl_set *isl_set_remove_dims(struct isl_set *set,
 266                 unsigned first, unsigned n);
 267 struct isl_set *isl_set_remove_divs(struct isl_set *set);
 268 __isl_give isl_set *isl_set_split_dims(__isl_take isl_set *set,
 269         enum isl_dim_type type, unsigned first, unsigned n);
 270
 271 void isl_set_dump(__isl_keep isl_set *set, FILE *out, int indent);
 272 struct isl_set *isl_set_swap_vars(struct isl_set *set, unsigned n);
 273 int isl_set_fast_is_empty(__isl_keep isl_set *set);
 274 int isl_set_fast_is_universe(__isl_keep isl_set *set);
 275 int isl_set_is_empty(__isl_keep isl_set *set);
 276 int isl_set_is_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 277 int isl_set_is_strict_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 278 int isl_set_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 279
 280 __isl_give isl_set *isl_set_sum(__isl_take isl_set *set1,
 281         __isl_take isl_set *set2);
 282 __isl_give isl_set *isl_set_neg(__isl_take isl_set *set);
 283
 284 __isl_give isl_set *isl_set_make_disjoint(__isl_take isl_set *set);
 285 struct isl_set *isl_basic_set_compute_divs(struct isl_basic_set *bset);
 286 __isl_give isl_set *isl_set_compute_divs(__isl_take isl_set *set);
 287 __isl_give isl_set *isl_set_align_divs(__isl_take isl_set *set);
 288
 289 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set);
 290 struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
 291                                                 struct isl_basic_set *bset);
 292
 293 int isl_basic_set_fast_dim_is_fixed(struct isl_basic_set *bset, unsigned dim,
 294         isl_int *val);
 295
 296 int isl_set_fast_dim_is_fixed(struct isl_set *set, unsigned dim, isl_int *val);
 297 int isl_set_fast_dim_has_fixed_lower_bound(struct isl_set *set,
 298         unsigned dim, isl_int *val);
 299 int isl_set_dim_is_bounded(__isl_keep isl_set *set,
 300         enum isl_dim_type type, unsigned pos);
 301
 302 struct isl_basic_set *isl_basic_set_gist(struct isl_basic_set *bset,
 303                                                 struct isl_basic_set *context);
 304 __isl_give isl_set *isl_set_gist_basic_set(__isl_take isl_set *set,
 305         __isl_take isl_basic_set *context);
 306 __isl_give isl_set *isl_set_gist(__isl_take isl_set *set,
 307         __isl_take isl_set *context);
 308 int isl_basic_set_dim_residue_class(struct isl_basic_set *bset,
 309         int pos, isl_int *modulo, isl_int *residue);
 310 int isl_set_dim_residue_class(struct isl_set *set,
 311         int pos, isl_int *modulo, isl_int *residue);
 312
 313 __isl_give isl_set *isl_set_coalesce(__isl_take isl_set *set);
 314
 315 int isl_set_fast_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 316 int isl_set_fast_is_disjoint(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 317
 318 uint32_t isl_set_get_hash(struct isl_set *set);
 319
 320 int isl_set_dim_is_unique(struct isl_set *set, unsigned dim);
 321
 322 int isl_set_foreach_basic_set(__isl_keep isl_set *set,
 323         int (*fn)(__isl_take isl_basic_set *bset, void *user), void *user);
 324
 325 int isl_set_foreach_point(__isl_keep isl_set *set,
 326         int (*fn)(__isl_take isl_point *pnt, void *user), void *user);
 327 int isl_set_count(__isl_keep isl_set *set, isl_int *count);
 328 int isl_set_count_upto(__isl_keep isl_set *set, isl_int max, isl_int *count);
 329
 330 __isl_give isl_set *isl_set_from_point(__isl_take isl_point *pnt);
 331 __isl_give isl_set *isl_set_box_from_points(__isl_take isl_point *pnt1,
 332         __isl_take isl_point *pnt2);
 333
 334 __isl_give isl_set *isl_set_lift(__isl_take isl_set *set);
 335
 336 int isl_set_size(__isl_keep isl_set *set);
 337
 338 #if defined(__cplusplus)
 339 }
 340 #endif
 341
 342 #endif