include/isl_set.h

   1 #ifndef ISL_SET_H
   2 #define ISL_SET_H
   3
   4 #include "isl_map.h"
   5 #include "isl_list.h"
   6
   7 #if defined(__cplusplus)
   8 extern "C" {
   9 #endif
  10
  11 /* A "basic set" is a basic map with a zero-dimensional
  12  * domain.
  13  */
  14 struct isl_basic_set {
  15         int ref;
  16 #define ISL_BASIC_SET_FINAL             (1 << 0)
  17 #define ISL_BASIC_SET_EMPTY             (1 << 1)
  18 #define ISL_BASIC_SET_NO_IMPLICIT       (1 << 2)
  19 #define ISL_BASIC_SET_NO_REDUNDANT      (1 << 3)
  20 #define ISL_BASIC_SET_RATIONAL          (1 << 4)
  21 #define ISL_BASIC_SET_NORMALIZED        (1 << 5)
  22 #define ISL_BASIC_SET_NORMALIZED_DIVS   (1 << 6)
  23 #define ISL_BASIC_SET_ALL_EQUALITIES    (1 << 7)
  24         unsigned flags;
  25
  26         struct isl_ctx *ctx;
  27
  28         struct isl_dim *dim;
  29         unsigned extra;
  30
  31         unsigned n_eq;
  32         unsigned n_ineq;
  33
  34         size_t c_size;
  35         isl_int **eq;
  36         isl_int **ineq;
  37
  38         unsigned n_div;
  39
  40         isl_int **div;
  41
  42         struct isl_vec *sample;
  43
  44         struct isl_blk block;
  45         struct isl_blk block2;
  46 };
  47
  48 /* A "set" is a (possibly disjoint) union of basic sets.
  49  *
  50  * See the documentation of isl_map.
  51  */
  52 struct isl_set {
  53         int ref;
  54 #define ISL_SET_DISJOINT                (1 << 0)
  55 #define ISL_SET_NORMALIZED              (1 << 1)
  56         unsigned flags;
  57
  58         struct isl_ctx *ctx;
  59
  60         struct isl_dim *dim;
  61
  62         int n;
  63
  64         size_t size;
  65         struct isl_basic_set *p[1];
  66 };
  67
  68 unsigned isl_basic_set_n_dim(const struct isl_basic_set *bset);
  69 unsigned isl_basic_set_n_param(const struct isl_basic_set *bset);
  70 unsigned isl_basic_set_total_dim(const struct isl_basic_set *bset);
  71 unsigned isl_basic_set_dim(const struct isl_basic_set *bset,
  72                                 enum isl_dim_type type);
  73
  74 unsigned isl_set_n_dim(const struct isl_set *set);
  75 unsigned isl_set_n_param(const struct isl_set *set);
  76 unsigned isl_set_dim(const struct isl_set *set, enum isl_dim_type type);
  77
  78 struct isl_dim *isl_basic_set_get_dim(struct isl_basic_set *bset);
  79 struct isl_dim *isl_set_get_dim(struct isl_set *set);
  80
  81 struct isl_basic_set *isl_basic_set_alloc(struct isl_ctx *ctx,
  82                 unsigned nparam, unsigned dim, unsigned extra,
  83                 unsigned n_eq, unsigned n_ineq);
  84 struct isl_basic_set *isl_basic_set_extend(struct isl_basic_set *base,
  85                 unsigned nparam, unsigned dim, unsigned extra,
  86                 unsigned n_eq, unsigned n_ineq);
  87 struct isl_basic_set *isl_basic_set_extend_constraints(
  88                 struct isl_basic_set *base, unsigned n_eq, unsigned n_ineq);
  89 struct isl_basic_set *isl_basic_set_finalize(struct isl_basic_set *bset);
  90 void isl_basic_set_free(__isl_take isl_basic_set *bset);
  91 __isl_give isl_basic_set *isl_basic_set_copy(__isl_keep isl_basic_set *bset);
  92 struct isl_basic_set *isl_basic_set_dup(struct isl_basic_set *bset);
  93 __isl_give isl_basic_set *isl_basic_set_empty(__isl_take isl_dim *dim);
  94 struct isl_basic_set *isl_basic_set_empty_like(struct isl_basic_set *bset);
  95 __isl_give isl_basic_set *isl_basic_set_universe(__isl_take isl_dim *dim);
  96 struct isl_basic_set *isl_basic_set_universe_like(struct isl_basic_set *bset);
  97 __isl_give isl_basic_set *isl_basic_set_universe_like_set(
  98         __isl_keep isl_set *model);
  99 struct isl_basic_set *isl_basic_set_interval(struct isl_ctx *ctx,
 100         isl_int min, isl_int max);
 101 struct isl_basic_set *isl_basic_set_positive_orthant(struct isl_dim *dims);
 102 void isl_basic_set_dump(__isl_keep isl_basic_set *bset,
 103                                 FILE *out, int indent);
 104 struct isl_basic_set *isl_basic_set_swap_vars(
 105                 struct isl_basic_set *bset, unsigned n);
 106 __isl_give isl_basic_set *isl_basic_set_intersect(
 107                 __isl_take isl_basic_set *bset1,
 108                 __isl_take isl_basic_set *bset2);
 109 __isl_give isl_basic_set *isl_basic_set_apply(
 110                 __isl_take isl_basic_set *bset,
 111                 __isl_take isl_basic_map *bmap);
 112 __isl_give isl_basic_set *isl_basic_set_affine_hull(
 113                 __isl_take isl_basic_set *bset);
 114 __isl_give isl_basic_set *isl_basic_set_remove(__isl_take isl_basic_set *bset,
 115         enum isl_dim_type type, unsigned first, unsigned n);
 116 struct isl_basic_set *isl_basic_set_simplify(struct isl_basic_set *bset);
 117 __isl_give isl_basic_set *isl_basic_set_detect_equalities(
 118                                                 __isl_take isl_basic_set *bset);
 119 struct isl_basic_set *isl_basic_set_product(struct isl_basic_set_list *list);
 120
 121 #define ISL_FORMAT_POLYLIB              1
 122 #define ISL_FORMAT_OMEGA                2
 123 __isl_give isl_basic_set *isl_basic_set_read_from_file(isl_ctx *ctx,
 124                 FILE *input, unsigned nparam, unsigned input_format);
 125 __isl_give isl_basic_set *isl_basic_set_read_from_str(isl_ctx *ctx,
 126                 const char *str, unsigned nparam, unsigned input_format);
 127 __isl_give isl_set *isl_set_read_from_file(isl_ctx *ctx,
 128                 FILE *input, unsigned nparam, unsigned input_format);
 129 #define ISL_FORMAT_POLYLIB_CONSTRAINTS  3
 130 void isl_basic_set_print(__isl_keep isl_basic_set *bset, FILE *out, int indent,
 131         const char *prefix, const char *suffix, unsigned output_format);
 132 void isl_set_print(__isl_keep struct isl_set *set, FILE *out, int indent,
 133         unsigned output_format);
 134 __isl_give isl_basic_set *isl_basic_set_fix(__isl_take isl_basic_set *bset,
 135                 enum isl_dim_type type, unsigned pos, isl_int value);
 136 struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
 137                 enum isl_dim_type type, unsigned pos, int value);
 138
 139 struct isl_basic_set *isl_basic_set_from_underlying_set(
 140         struct isl_basic_set *bset, struct isl_basic_set *like);
 141 struct isl_set *isl_set_from_underlying_set(
 142         struct isl_set *set, struct isl_basic_set *like);
 143 struct isl_set *isl_set_to_underlying_set(struct isl_set *set);
 144
 145 int isl_basic_set_is_equal(
 146                 struct isl_basic_set *bset1, struct isl_basic_set *bset2);
 147
 148 __isl_give isl_set *isl_basic_set_partial_lexmin(
 149                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 150                 __isl_give isl_set **empty);
 151 __isl_give isl_set *isl_basic_set_partial_lexmax(
 152                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 153                 __isl_give isl_set **empty);
 154 __isl_give isl_set *isl_basic_set_lexmin(__isl_take isl_basic_set *bset);
 155 __isl_give isl_set *isl_basic_set_union(
 156                 __isl_take isl_basic_set *bset1,
 157                 __isl_take isl_basic_set *bset2);
 158
 159 int isl_basic_set_compare_at(struct isl_basic_set *bset1,
 160         struct isl_basic_set *bset2, int pos);
 161
 162 int isl_basic_set_is_universe(__isl_keep isl_basic_set *bset);
 163 int isl_basic_set_fast_is_empty(__isl_keep isl_basic_set *bset);
 164 int isl_basic_set_is_empty(__isl_keep isl_basic_set *bset);
 165
 166 struct isl_set *isl_set_alloc(struct isl_ctx *ctx,
 167                 unsigned nparam, unsigned dim, int n, unsigned flags);
 168 struct isl_set *isl_set_extend(struct isl_set *base,
 169                 unsigned nparam, unsigned dim);
 170 __isl_give isl_set *isl_set_empty(__isl_take isl_dim *dim);
 171 struct isl_set *isl_set_empty_like(struct isl_set *set);
 172 __isl_give isl_set *isl_set_universe(__isl_take isl_dim *dim);
 173 __isl_give isl_set *isl_set_universe_like(__isl_keep isl_set *model);
 174 struct isl_set *isl_set_add(struct isl_set *set, struct isl_basic_set *bset);
 175 struct isl_set *isl_set_finalize(struct isl_set *set);
 176 __isl_give isl_set *isl_set_copy(__isl_keep isl_set *set);
 177 void isl_set_free(__isl_take isl_set *set);
 178 struct isl_set *isl_set_dup(struct isl_set *set);
 179 __isl_give isl_set *isl_set_from_basic_set(__isl_take isl_basic_set *bset);
 180 __isl_give isl_basic_set *isl_set_sample(__isl_take isl_set *set);
 181 __isl_give isl_set *isl_set_detect_equalities(__isl_take isl_set *set);
 182 __isl_give isl_basic_set *isl_set_affine_hull(__isl_take isl_set *set);
 183 __isl_give isl_basic_set *isl_set_convex_hull(__isl_take isl_set *set);
 184 struct isl_basic_set *isl_set_simple_hull(struct isl_set *set);
 185 struct isl_basic_set *isl_set_bounded_simple_hull(struct isl_set *set);
 186
 187 struct isl_set *isl_set_union_disjoint(
 188                         struct isl_set *set1, struct isl_set *set2);
 189 __isl_give isl_set *isl_set_union(
 190                 __isl_take isl_set *set1,
 191                 __isl_take isl_set *set2);
 192 struct isl_set *isl_set_product(struct isl_set *set1, struct isl_set *set2);
 193 __isl_give isl_set *isl_set_intersect(
 194                 __isl_take isl_set *set1,
 195                 __isl_take isl_set *set2);
 196 __isl_give isl_set *isl_set_subtract(
 197                 __isl_take isl_set *set1,
 198                 __isl_take isl_set *set2);
 199 __isl_give isl_set *isl_set_apply(
 200                 __isl_take isl_set *set,
 201                 __isl_take isl_map *map);
 202 __isl_give isl_set *isl_set_fix(__isl_take isl_set *set,
 203                 enum isl_dim_type type, unsigned pos, isl_int value);
 204 struct isl_set *isl_set_fix_dim_si(struct isl_set *set,
 205                 unsigned dim, int value);
 206 struct isl_set *isl_set_lower_bound_dim(struct isl_set *set,
 207                 unsigned dim, isl_int value);
 208 __isl_give isl_basic_set *isl_basic_set_project_out(
 209                 __isl_take isl_basic_set *bset,
 210                 enum isl_dim_type type, unsigned first, unsigned n);
 211 __isl_give isl_set *isl_set_project_out(__isl_take isl_set *set,
 212                 enum isl_dim_type type, unsigned first, unsigned n);
 213 struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
 214                 unsigned first, unsigned n);
 215 struct isl_basic_set *isl_basic_set_remove_divs(struct isl_basic_set *bset);
 216 struct isl_set *isl_set_eliminate_dims(struct isl_set *set,
 217                 unsigned first, unsigned n);
 218 __isl_give isl_set *isl_set_remove(__isl_take isl_set *bset,
 219         enum isl_dim_type type, unsigned first, unsigned n);
 220 struct isl_set *isl_set_remove_dims(struct isl_set *set,
 221                 unsigned first, unsigned n);
 222 struct isl_set *isl_set_remove_divs(struct isl_set *set);
 223
 224 void isl_set_dump(__isl_keep isl_set *set, FILE *out, int indent);
 225 struct isl_set *isl_set_swap_vars(struct isl_set *set, unsigned n);
 226 int isl_set_is_empty(__isl_keep isl_set *set);
 227 int isl_set_is_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 228 int isl_set_is_strict_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 229 int isl_set_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 230
 231 struct isl_set *isl_basic_set_compute_divs(struct isl_basic_set *bset);
 232 struct isl_set *isl_set_compute_divs(struct isl_set *set);
 233
 234 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set);
 235 struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
 236                                                 struct isl_basic_set *bset);
 237
 238 int isl_basic_set_fast_dim_is_fixed(struct isl_basic_set *bset, unsigned dim,
 239         isl_int *val);
 240
 241 int isl_set_fast_dim_is_fixed(struct isl_set *set, unsigned dim, isl_int *val);
 242 int isl_set_fast_dim_has_fixed_lower_bound(struct isl_set *set,
 243         unsigned dim, isl_int *val);
 244
 245 struct isl_basic_set *isl_basic_set_gist(struct isl_basic_set *bset,
 246                                                 struct isl_basic_set *context);
 247 struct isl_set *isl_set_gist(struct isl_set *set,
 248         struct isl_basic_set *context);
 249 int isl_basic_set_dim_residue_class(struct isl_basic_set *bset,
 250         int pos, isl_int *modulo, isl_int *residue);
 251 int isl_set_dim_residue_class(struct isl_set *set,
 252         int pos, isl_int *modulo, isl_int *residue);
 253
 254 __isl_give isl_set *isl_set_coalesce(__isl_take isl_set *set);
 255
 256 int isl_set_fast_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 257 int isl_set_fast_is_disjoint(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 258
 259 uint32_t isl_set_get_hash(struct isl_set *set);
 260
 261 int isl_set_dim_is_unique(struct isl_set *set, unsigned dim);
 262
 263 int isl_set_foreach_basic_set(__isl_keep isl_set *set,
 264         int (*fn)(__isl_take isl_basic_set *bset, void *user), void *user);
 265
 266 int isl_set_size(__isl_keep isl_set *set);
 267
 268 #if defined(__cplusplus)
 269 }
 270 #endif
 271
 272 #endif