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