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 __isl_give isl_basic_set *isl_basic_set_set_dim_name(
  92         __isl_take isl_basic_set *bset,
  93         enum isl_dim_type type, unsigned pos, const char *s);
  94 __isl_give isl_set *isl_set_set_dim_name(__isl_take isl_set *set,
  95         enum isl_dim_type type, unsigned pos, const char *s);
  96
  97 struct isl_basic_set *isl_basic_set_alloc(struct isl_ctx *ctx,
  98                 unsigned nparam, unsigned dim, unsigned extra,
  99                 unsigned n_eq, unsigned n_ineq);
 100 struct isl_basic_set *isl_basic_set_extend(struct isl_basic_set *base,
 101                 unsigned nparam, unsigned dim, unsigned extra,
 102                 unsigned n_eq, unsigned n_ineq);
 103 struct isl_basic_set *isl_basic_set_extend_constraints(
 104                 struct isl_basic_set *base, unsigned n_eq, unsigned n_ineq);
 105 struct isl_basic_set *isl_basic_set_finalize(struct isl_basic_set *bset);
 106 void isl_basic_set_free(__isl_take isl_basic_set *bset);
 107 __isl_give isl_basic_set *isl_basic_set_copy(__isl_keep isl_basic_set *bset);
 108 struct isl_basic_set *isl_basic_set_dup(struct isl_basic_set *bset);
 109 __isl_give isl_basic_set *isl_basic_set_empty(__isl_take isl_dim *dim);
 110 struct isl_basic_set *isl_basic_set_empty_like(struct isl_basic_set *bset);
 111 __isl_give isl_basic_set *isl_basic_set_universe(__isl_take isl_dim *dim);
 112 struct isl_basic_set *isl_basic_set_universe_like(struct isl_basic_set *bset);
 113 __isl_give isl_basic_set *isl_basic_set_universe_like_set(
 114         __isl_keep isl_set *model);
 115 struct isl_basic_set *isl_basic_set_interval(struct isl_ctx *ctx,
 116         isl_int min, isl_int max);
 117 struct isl_basic_set *isl_basic_set_positive_orthant(struct isl_dim *dims);
 118 void isl_basic_set_dump(__isl_keep isl_basic_set *bset,
 119                                 FILE *out, int indent);
 120 struct isl_basic_set *isl_basic_set_swap_vars(
 121                 struct isl_basic_set *bset, unsigned n);
 122 __isl_give isl_basic_set *isl_basic_set_intersect(
 123                 __isl_take isl_basic_set *bset1,
 124                 __isl_take isl_basic_set *bset2);
 125 __isl_give isl_basic_set *isl_basic_set_apply(
 126                 __isl_take isl_basic_set *bset,
 127                 __isl_take isl_basic_map *bmap);
 128 __isl_give isl_basic_set *isl_basic_set_affine_hull(
 129                 __isl_take isl_basic_set *bset);
 130 __isl_give isl_basic_set *isl_basic_set_remove(__isl_take isl_basic_set *bset,
 131         enum isl_dim_type type, unsigned first, unsigned n);
 132 struct isl_basic_set *isl_basic_set_simplify(struct isl_basic_set *bset);
 133 __isl_give isl_basic_set *isl_basic_set_detect_equalities(
 134                                                 __isl_take isl_basic_set *bset);
 135 struct isl_basic_set *isl_basic_set_product(struct isl_basic_set_list *list);
 136
 137 __isl_give isl_basic_set *isl_basic_set_read_from_file(isl_ctx *ctx,
 138                 FILE *input, int nparam);
 139 __isl_give isl_basic_set *isl_basic_set_read_from_str(isl_ctx *ctx,
 140                 const char *str, int nparam);
 141 __isl_give isl_set *isl_set_read_from_file(isl_ctx *ctx,
 142                 FILE *input, int nparam);
 143 __isl_give isl_set *isl_set_read_from_str(isl_ctx *ctx,
 144                 const char *str, int nparam);
 145 __isl_give isl_printer *isl_printer_print_basic_set(
 146         __isl_take isl_printer *printer, __isl_keep isl_basic_set *bset);
 147 __isl_give isl_printer *isl_printer_print_set(__isl_take isl_printer *printer,
 148         __isl_keep isl_set *map);
 149 void isl_basic_set_print(__isl_keep isl_basic_set *bset, FILE *out, int indent,
 150         const char *prefix, const char *suffix, unsigned output_format);
 151 void isl_set_print(__isl_keep struct isl_set *set, FILE *out, int indent,
 152         unsigned output_format);
 153 __isl_give isl_basic_set *isl_basic_set_fix(__isl_take isl_basic_set *bset,
 154                 enum isl_dim_type type, unsigned pos, isl_int value);
 155 struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
 156                 enum isl_dim_type type, unsigned pos, int value);
 157 __isl_give isl_set *isl_set_fix_si(__isl_take isl_set *set,
 158                 enum isl_dim_type type, unsigned pos, int value);
 159 __isl_give isl_set *isl_set_lower_bound_si(__isl_take isl_set *set,
 160                 enum isl_dim_type type, unsigned pos, int value);
 161
 162 struct isl_basic_set *isl_basic_set_from_underlying_set(
 163         struct isl_basic_set *bset, struct isl_basic_set *like);
 164 struct isl_set *isl_set_from_underlying_set(
 165         struct isl_set *set, struct isl_basic_set *like);
 166 struct isl_set *isl_set_to_underlying_set(struct isl_set *set);
 167
 168 int isl_basic_set_is_equal(
 169                 struct isl_basic_set *bset1, struct isl_basic_set *bset2);
 170
 171 __isl_give isl_set *isl_basic_set_partial_lexmin(
 172                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 173                 __isl_give isl_set **empty);
 174 __isl_give isl_set *isl_basic_set_partial_lexmax(
 175                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 176                 __isl_give isl_set **empty);
 177 __isl_give isl_set *isl_set_partial_lexmin(
 178                 __isl_take isl_set *set, __isl_take isl_set *dom,
 179                 __isl_give isl_set **empty);
 180 __isl_give isl_set *isl_set_partial_lexmax(
 181                 __isl_take isl_set *set, __isl_take isl_set *dom,
 182                 __isl_give isl_set **empty);
 183 __isl_give isl_set *isl_basic_set_lexmin(__isl_take isl_basic_set *bset);
 184 __isl_give isl_set *isl_basic_set_lexmax(__isl_take isl_basic_set *bset);
 185 __isl_give isl_set *isl_set_lexmin(__isl_take isl_set *set);
 186 __isl_give isl_set *isl_set_lexmax(__isl_take isl_set *set);
 187 __isl_give isl_set *isl_basic_set_union(
 188                 __isl_take isl_basic_set *bset1,
 189                 __isl_take isl_basic_set *bset2);
 190
 191 int isl_basic_set_compare_at(struct isl_basic_set *bset1,
 192         struct isl_basic_set *bset2, int pos);
 193 int isl_set_follows_at(__isl_keep isl_set *set1,
 194         __isl_keep isl_set *set2, int pos);
 195
 196 int isl_basic_set_dims_get_sign(__isl_keep isl_basic_set *bset,
 197         enum isl_dim_type type, unsigned pos, unsigned n, int *signs);
 198
 199 int isl_basic_set_is_universe(__isl_keep isl_basic_set *bset);
 200 int isl_basic_set_fast_is_empty(__isl_keep isl_basic_set *bset);
 201 int isl_basic_set_is_empty(__isl_keep isl_basic_set *bset);
 202 int isl_basic_set_is_bounded(__isl_keep isl_basic_set *bset);
 203
 204 struct isl_set *isl_set_alloc(struct isl_ctx *ctx,
 205                 unsigned nparam, unsigned dim, int n, unsigned flags);
 206 struct isl_set *isl_set_extend(struct isl_set *base,
 207                 unsigned nparam, unsigned dim);
 208 __isl_give isl_set *isl_set_empty(__isl_take isl_dim *dim);
 209 struct isl_set *isl_set_empty_like(struct isl_set *set);
 210 __isl_give isl_set *isl_set_universe(__isl_take isl_dim *dim);
 211 __isl_give isl_set *isl_set_universe_like(__isl_keep isl_set *model);
 212 __isl_give isl_set *isl_set_add_basic_set(__isl_take isl_set *set,
 213                                                 __isl_take isl_basic_set *bset);
 214 struct isl_set *isl_set_finalize(struct isl_set *set);
 215 __isl_give isl_set *isl_set_copy(__isl_keep isl_set *set);
 216 void isl_set_free(__isl_take isl_set *set);
 217 struct isl_set *isl_set_dup(struct isl_set *set);
 218 __isl_give isl_set *isl_set_from_basic_set(__isl_take isl_basic_set *bset);
 219 __isl_give isl_basic_set *isl_set_sample(__isl_take isl_set *set);
 220 __isl_give isl_point *isl_set_sample_point(__isl_take isl_set *set);
 221 __isl_give isl_set *isl_set_detect_equalities(__isl_take isl_set *set);
 222 __isl_give isl_basic_set *isl_set_affine_hull(__isl_take isl_set *set);
 223 __isl_give isl_basic_set *isl_set_convex_hull(__isl_take isl_set *set);
 224 __isl_give isl_basic_set *isl_set_simple_hull(__isl_take isl_set *set);
 225 struct isl_basic_set *isl_set_bounded_simple_hull(struct isl_set *set);
 226 __isl_give isl_set *isl_set_recession_cone(__isl_take isl_set *set);
 227
 228 struct isl_set *isl_set_union_disjoint(
 229                         struct isl_set *set1, struct isl_set *set2);
 230 __isl_give isl_set *isl_set_union(
 231                 __isl_take isl_set *set1,
 232                 __isl_take isl_set *set2);
 233 struct isl_set *isl_set_product(struct isl_set *set1, struct isl_set *set2);
 234 __isl_give isl_set *isl_set_intersect(
 235                 __isl_take isl_set *set1,
 236                 __isl_take isl_set *set2);
 237 __isl_give isl_set *isl_set_subtract(
 238                 __isl_take isl_set *set1,
 239                 __isl_take isl_set *set2);
 240 __isl_give isl_set *isl_set_complement(__isl_take isl_set *set);
 241 __isl_give isl_set *isl_set_apply(
 242                 __isl_take isl_set *set,
 243                 __isl_take isl_map *map);
 244 __isl_give isl_set *isl_set_fix(__isl_take isl_set *set,
 245                 enum isl_dim_type type, unsigned pos, isl_int value);
 246 struct isl_set *isl_set_fix_dim_si(struct isl_set *set,
 247                 unsigned dim, int value);
 248 struct isl_set *isl_set_lower_bound_dim(struct isl_set *set,
 249                 unsigned dim, isl_int value);
 250 __isl_give isl_basic_set *isl_basic_set_add(__isl_take isl_basic_set *bset,
 251                 enum isl_dim_type type, unsigned n);
 252 __isl_give isl_set *isl_set_add(__isl_take isl_set *set,
 253                 enum isl_dim_type type, unsigned n);
 254 __isl_give isl_basic_set *isl_basic_set_move_dims(__isl_take isl_basic_set *bset,
 255         enum isl_dim_type dst_type, unsigned dst_pos,
 256         enum isl_dim_type src_type, unsigned src_pos, unsigned n);
 257 __isl_give isl_set *isl_set_move_dims(__isl_take isl_set *set,
 258         enum isl_dim_type dst_type, unsigned dst_pos,
 259         enum isl_dim_type src_type, unsigned src_pos, unsigned n);
 260 __isl_give isl_basic_set *isl_basic_set_project_out(
 261                 __isl_take isl_basic_set *bset,
 262                 enum isl_dim_type type, unsigned first, unsigned n);
 263 __isl_give isl_set *isl_set_project_out(__isl_take isl_set *set,
 264                 enum isl_dim_type type, unsigned first, unsigned n);
 265 struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
 266                 unsigned first, unsigned n);
 267 struct isl_basic_set *isl_basic_set_remove_divs(struct isl_basic_set *bset);
 268 struct isl_set *isl_set_eliminate_dims(struct isl_set *set,
 269                 unsigned first, unsigned n);
 270 __isl_give isl_set *isl_set_remove(__isl_take isl_set *bset,
 271         enum isl_dim_type type, unsigned first, unsigned n);
 272 struct isl_set *isl_set_remove_dims(struct isl_set *set,
 273                 unsigned first, unsigned n);
 274 struct isl_set *isl_set_remove_divs(struct isl_set *set);
 275 __isl_give isl_set *isl_set_split_dims(__isl_take isl_set *set,
 276         enum isl_dim_type type, unsigned first, unsigned n);
 277
 278 void isl_set_dump(__isl_keep isl_set *set, FILE *out, int indent);
 279 struct isl_set *isl_set_swap_vars(struct isl_set *set, unsigned n);
 280 int isl_set_fast_is_empty(__isl_keep isl_set *set);
 281 int isl_set_fast_is_universe(__isl_keep isl_set *set);
 282 int isl_set_is_empty(__isl_keep isl_set *set);
 283 int isl_set_is_bounded(__isl_keep isl_set *set);
 284 int isl_set_is_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 285 int isl_set_is_strict_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 286 int isl_set_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 287 int isl_set_is_singleton(__isl_keep isl_set *set);
 288 int isl_set_is_box(__isl_keep isl_set *set);
 289
 290 __isl_give isl_set *isl_set_sum(__isl_take isl_set *set1,
 291         __isl_take isl_set *set2);
 292 __isl_give isl_set *isl_set_neg(__isl_take isl_set *set);
 293
 294 __isl_give isl_set *isl_set_make_disjoint(__isl_take isl_set *set);
 295 struct isl_set *isl_basic_set_compute_divs(struct isl_basic_set *bset);
 296 __isl_give isl_set *isl_set_compute_divs(__isl_take isl_set *set);
 297 __isl_give isl_set *isl_set_align_divs(__isl_take isl_set *set);
 298
 299 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set);
 300 struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
 301                                                 struct isl_basic_set *bset);
 302
 303 int isl_basic_set_fast_dim_is_fixed(struct isl_basic_set *bset, unsigned dim,
 304         isl_int *val);
 305
 306 int isl_set_fast_dim_is_fixed(struct isl_set *set, unsigned dim, isl_int *val);
 307 int isl_set_fast_dim_has_fixed_lower_bound(struct isl_set *set,
 308         unsigned dim, isl_int *val);
 309 int isl_set_dim_is_bounded(__isl_keep isl_set *set,
 310         enum isl_dim_type type, unsigned pos);
 311
 312 __isl_give isl_basic_set *isl_basic_set_gist(__isl_take isl_basic_set *bset,
 313                                             __isl_take isl_basic_set *context);
 314 __isl_give isl_set *isl_set_gist_basic_set(__isl_take isl_set *set,
 315         __isl_take isl_basic_set *context);
 316 __isl_give isl_set *isl_set_gist(__isl_take isl_set *set,
 317         __isl_take isl_set *context);
 318 int isl_basic_set_dim_residue_class(struct isl_basic_set *bset,
 319         int pos, isl_int *modulo, isl_int *residue);
 320 int isl_set_dim_residue_class(struct isl_set *set,
 321         int pos, isl_int *modulo, isl_int *residue);
 322
 323 __isl_give isl_set *isl_set_coalesce(__isl_take isl_set *set);
 324
 325 int isl_set_fast_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 326 int isl_set_fast_is_disjoint(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 327
 328 uint32_t isl_set_get_hash(struct isl_set *set);
 329
 330 int isl_set_dim_is_unique(struct isl_set *set, unsigned dim);
 331
 332 int isl_set_foreach_basic_set(__isl_keep isl_set *set,
 333         int (*fn)(__isl_take isl_basic_set *bset, void *user), void *user);
 334
 335 int isl_set_foreach_point(__isl_keep isl_set *set,
 336         int (*fn)(__isl_take isl_point *pnt, void *user), void *user);
 337 int isl_set_count(__isl_keep isl_set *set, isl_int *count);
 338 int isl_set_count_upto(__isl_keep isl_set *set, isl_int max, isl_int *count);
 339
 340 __isl_give isl_set *isl_set_from_point(__isl_take isl_point *pnt);
 341 __isl_give isl_set *isl_set_box_from_points(__isl_take isl_point *pnt1,
 342         __isl_take isl_point *pnt2);
 343
 344 __isl_give isl_set *isl_set_lift(__isl_take isl_set *set);
 345
 346 int isl_set_size(__isl_keep isl_set *set);
 347
 348 #if defined(__cplusplus)
 349 }
 350 #endif
 351
 352 #endif