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 #define ISL_FORMAT_POLYLIB              1
 131 #define ISL_FORMAT_OMEGA                2
 132 __isl_give isl_basic_set *isl_basic_set_read_from_file(isl_ctx *ctx,
 133                 FILE *input, unsigned nparam, unsigned input_format);
 134 __isl_give isl_basic_set *isl_basic_set_read_from_str(isl_ctx *ctx,
 135                 const char *str, unsigned nparam, unsigned input_format);
 136 __isl_give isl_set *isl_set_read_from_file(isl_ctx *ctx,
 137                 FILE *input, unsigned nparam, unsigned input_format);
 138 #define ISL_FORMAT_POLYLIB_CONSTRAINTS  3
 139 void isl_basic_set_print(__isl_keep isl_basic_set *bset, FILE *out, int indent,
 140         const char *prefix, const char *suffix, unsigned output_format);
 141 void isl_set_print(__isl_keep struct isl_set *set, FILE *out, int indent,
 142         unsigned output_format);
 143 __isl_give isl_basic_set *isl_basic_set_fix(__isl_take isl_basic_set *bset,
 144                 enum isl_dim_type type, unsigned pos, isl_int value);
 145 struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
 146                 enum isl_dim_type type, unsigned pos, int value);
 147
 148 struct isl_basic_set *isl_basic_set_from_underlying_set(
 149         struct isl_basic_set *bset, struct isl_basic_set *like);
 150 struct isl_set *isl_set_from_underlying_set(
 151         struct isl_set *set, struct isl_basic_set *like);
 152 struct isl_set *isl_set_to_underlying_set(struct isl_set *set);
 153
 154 int isl_basic_set_is_equal(
 155                 struct isl_basic_set *bset1, struct isl_basic_set *bset2);
 156
 157 __isl_give isl_set *isl_basic_set_partial_lexmin(
 158                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 159                 __isl_give isl_set **empty);
 160 __isl_give isl_set *isl_basic_set_partial_lexmax(
 161                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 162                 __isl_give isl_set **empty);
 163 __isl_give isl_set *isl_basic_set_lexmin(__isl_take isl_basic_set *bset);
 164 __isl_give isl_set *isl_basic_set_lexmax(__isl_take isl_basic_set *bset);
 165 __isl_give isl_set *isl_basic_set_union(
 166                 __isl_take isl_basic_set *bset1,
 167                 __isl_take isl_basic_set *bset2);
 168
 169 int isl_basic_set_compare_at(struct isl_basic_set *bset1,
 170         struct isl_basic_set *bset2, int pos);
 171 int isl_set_follows_at(__isl_keep isl_set *set1,
 172         __isl_keep isl_set *set2, int pos);
 173
 174 int isl_basic_set_is_universe(__isl_keep isl_basic_set *bset);
 175 int isl_basic_set_fast_is_empty(__isl_keep isl_basic_set *bset);
 176 int isl_basic_set_is_empty(__isl_keep isl_basic_set *bset);
 177
 178 struct isl_set *isl_set_alloc(struct isl_ctx *ctx,
 179                 unsigned nparam, unsigned dim, int n, unsigned flags);
 180 struct isl_set *isl_set_extend(struct isl_set *base,
 181                 unsigned nparam, unsigned dim);
 182 __isl_give isl_set *isl_set_empty(__isl_take isl_dim *dim);
 183 struct isl_set *isl_set_empty_like(struct isl_set *set);
 184 __isl_give isl_set *isl_set_universe(__isl_take isl_dim *dim);
 185 __isl_give isl_set *isl_set_universe_like(__isl_keep isl_set *model);
 186 struct isl_set *isl_set_add(struct isl_set *set, struct isl_basic_set *bset);
 187 struct isl_set *isl_set_finalize(struct isl_set *set);
 188 __isl_give isl_set *isl_set_copy(__isl_keep isl_set *set);
 189 void isl_set_free(__isl_take isl_set *set);
 190 struct isl_set *isl_set_dup(struct isl_set *set);
 191 __isl_give isl_set *isl_set_from_basic_set(__isl_take isl_basic_set *bset);
 192 __isl_give isl_basic_set *isl_set_sample(__isl_take isl_set *set);
 193 __isl_give isl_set *isl_set_detect_equalities(__isl_take isl_set *set);
 194 __isl_give isl_basic_set *isl_set_affine_hull(__isl_take isl_set *set);
 195 __isl_give isl_basic_set *isl_set_convex_hull(__isl_take isl_set *set);
 196 struct isl_basic_set *isl_set_simple_hull(struct isl_set *set);
 197 struct isl_basic_set *isl_set_bounded_simple_hull(struct isl_set *set);
 198
 199 struct isl_set *isl_set_union_disjoint(
 200                         struct isl_set *set1, struct isl_set *set2);
 201 __isl_give isl_set *isl_set_union(
 202                 __isl_take isl_set *set1,
 203                 __isl_take isl_set *set2);
 204 struct isl_set *isl_set_product(struct isl_set *set1, struct isl_set *set2);
 205 __isl_give isl_set *isl_set_intersect(
 206                 __isl_take isl_set *set1,
 207                 __isl_take isl_set *set2);
 208 __isl_give isl_set *isl_set_subtract(
 209                 __isl_take isl_set *set1,
 210                 __isl_take isl_set *set2);
 211 __isl_give isl_set *isl_set_apply(
 212                 __isl_take isl_set *set,
 213                 __isl_take isl_map *map);
 214 __isl_give isl_set *isl_set_fix(__isl_take isl_set *set,
 215                 enum isl_dim_type type, unsigned pos, isl_int value);
 216 struct isl_set *isl_set_fix_dim_si(struct isl_set *set,
 217                 unsigned dim, int value);
 218 struct isl_set *isl_set_lower_bound_dim(struct isl_set *set,
 219                 unsigned dim, isl_int value);
 220 __isl_give isl_basic_set *isl_basic_set_project_out(
 221                 __isl_take isl_basic_set *bset,
 222                 enum isl_dim_type type, unsigned first, unsigned n);
 223 __isl_give isl_set *isl_set_project_out(__isl_take isl_set *set,
 224                 enum isl_dim_type type, unsigned first, unsigned n);
 225 struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
 226                 unsigned first, unsigned n);
 227 struct isl_basic_set *isl_basic_set_remove_divs(struct isl_basic_set *bset);
 228 struct isl_set *isl_set_eliminate_dims(struct isl_set *set,
 229                 unsigned first, unsigned n);
 230 __isl_give isl_set *isl_set_remove(__isl_take isl_set *bset,
 231         enum isl_dim_type type, unsigned first, unsigned n);
 232 struct isl_set *isl_set_remove_dims(struct isl_set *set,
 233                 unsigned first, unsigned n);
 234 struct isl_set *isl_set_remove_divs(struct isl_set *set);
 235
 236 void isl_set_dump(__isl_keep isl_set *set, FILE *out, int indent);
 237 struct isl_set *isl_set_swap_vars(struct isl_set *set, unsigned n);
 238 int isl_set_fast_is_empty(__isl_keep isl_set *set);
 239 int isl_set_is_empty(__isl_keep isl_set *set);
 240 int isl_set_is_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 241 int isl_set_is_strict_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 242 int isl_set_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 243
 244 struct isl_set *isl_basic_set_compute_divs(struct isl_basic_set *bset);
 245 struct isl_set *isl_set_compute_divs(struct isl_set *set);
 246
 247 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set);
 248 struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
 249                                                 struct isl_basic_set *bset);
 250
 251 int isl_basic_set_fast_dim_is_fixed(struct isl_basic_set *bset, unsigned dim,
 252         isl_int *val);
 253
 254 int isl_set_fast_dim_is_fixed(struct isl_set *set, unsigned dim, isl_int *val);
 255 int isl_set_fast_dim_has_fixed_lower_bound(struct isl_set *set,
 256         unsigned dim, isl_int *val);
 257
 258 struct isl_basic_set *isl_basic_set_gist(struct isl_basic_set *bset,
 259                                                 struct isl_basic_set *context);
 260 struct isl_set *isl_set_gist(struct isl_set *set,
 261         struct isl_basic_set *context);
 262 int isl_basic_set_dim_residue_class(struct isl_basic_set *bset,
 263         int pos, isl_int *modulo, isl_int *residue);
 264 int isl_set_dim_residue_class(struct isl_set *set,
 265         int pos, isl_int *modulo, isl_int *residue);
 266
 267 __isl_give isl_set *isl_set_coalesce(__isl_take isl_set *set);
 268
 269 int isl_set_fast_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 270 int isl_set_fast_is_disjoint(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 271
 272 uint32_t isl_set_get_hash(struct isl_set *set);
 273
 274 int isl_set_dim_is_unique(struct isl_set *set, unsigned dim);
 275
 276 int isl_set_foreach_basic_set(__isl_keep isl_set *set,
 277         int (*fn)(__isl_take isl_basic_set *bset, void *user), void *user);
 278
 279 int isl_set_size(__isl_keep isl_set *set);
 280
 281 #if defined(__cplusplus)
 282 }
 283 #endif
 284
 285 #endif