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 struct isl_basic_set *isl_basic_set_simplify(struct isl_basic_set *bset);
 115 __isl_give isl_basic_set *isl_basic_set_detect_equalities(
 116                                                 __isl_take isl_basic_set *bset);
 117 struct isl_basic_set *isl_basic_set_product(struct isl_basic_set_list *list);
 118
 119 #define ISL_FORMAT_POLYLIB              1
 120 #define ISL_FORMAT_OMEGA                2
 121 __isl_give isl_basic_set *isl_basic_set_read_from_file(isl_ctx *ctx,
 122                 FILE *input, unsigned nparam, unsigned input_format);
 123 __isl_give isl_basic_set *isl_basic_set_read_from_str(isl_ctx *ctx,
 124                 const char *str, unsigned nparam, unsigned input_format);
 125 __isl_give isl_set *isl_set_read_from_file(isl_ctx *ctx,
 126                 FILE *input, unsigned nparam, unsigned input_format);
 127 #define ISL_FORMAT_POLYLIB_CONSTRAINTS  3
 128 void isl_basic_set_print(__isl_keep isl_basic_set *bset, FILE *out, int indent,
 129         const char *prefix, const char *suffix, unsigned output_format);
 130 void isl_set_print(__isl_keep struct isl_set *set, FILE *out, int indent,
 131         unsigned output_format);
 132 struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
 133                 enum isl_dim_type type, unsigned pos, int value);
 134
 135 struct isl_basic_set *isl_basic_set_from_underlying_set(
 136         struct isl_basic_set *bset, struct isl_basic_set *like);
 137 struct isl_set *isl_set_from_underlying_set(
 138         struct isl_set *set, struct isl_basic_set *like);
 139 struct isl_set *isl_set_to_underlying_set(struct isl_set *set);
 140
 141 int isl_basic_set_is_equal(
 142                 struct isl_basic_set *bset1, struct isl_basic_set *bset2);
 143
 144 __isl_give isl_set *isl_basic_set_partial_lexmin(
 145                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 146                 __isl_give isl_set **empty);
 147 __isl_give isl_set *isl_basic_set_partial_lexmax(
 148                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 149                 __isl_give isl_set **empty);
 150 __isl_give isl_set *isl_basic_set_lexmin(__isl_take isl_basic_set *bset);
 151 __isl_give isl_set *isl_basic_set_union(
 152                 __isl_take isl_basic_set *bset1,
 153                 __isl_take isl_basic_set *bset2);
 154
 155 int isl_basic_set_compare_at(struct isl_basic_set *bset1,
 156         struct isl_basic_set *bset2, int pos);
 157
 158 int isl_basic_set_is_universe(__isl_keep isl_basic_set *bset);
 159 int isl_basic_set_fast_is_empty(__isl_keep isl_basic_set *bset);
 160 int isl_basic_set_is_empty(__isl_keep isl_basic_set *bset);
 161
 162 struct isl_set *isl_set_alloc(struct isl_ctx *ctx,
 163                 unsigned nparam, unsigned dim, int n, unsigned flags);
 164 struct isl_set *isl_set_extend(struct isl_set *base,
 165                 unsigned nparam, unsigned dim);
 166 __isl_give isl_set *isl_set_empty(__isl_take isl_dim *dim);
 167 struct isl_set *isl_set_empty_like(struct isl_set *set);
 168 __isl_give isl_set *isl_set_universe(__isl_take isl_dim *dim);
 169 __isl_give isl_set *isl_set_universe_like(__isl_keep isl_set *model);
 170 struct isl_set *isl_set_add(struct isl_set *set, struct isl_basic_set *bset);
 171 struct isl_set *isl_set_finalize(struct isl_set *set);
 172 __isl_give isl_set *isl_set_copy(__isl_keep isl_set *set);
 173 void isl_set_free(__isl_take isl_set *set);
 174 struct isl_set *isl_set_dup(struct isl_set *set);
 175 __isl_give isl_set *isl_set_from_basic_set(__isl_take isl_basic_set *bset);
 176 __isl_give isl_basic_set *isl_set_sample(__isl_take isl_set *set);
 177 __isl_give isl_set *isl_set_detect_equalities(__isl_take isl_set *set);
 178 __isl_give isl_basic_set *isl_set_affine_hull(__isl_take isl_set *set);
 179 __isl_give isl_basic_set *isl_set_convex_hull(__isl_take isl_set *set);
 180 struct isl_basic_set *isl_set_simple_hull(struct isl_set *set);
 181 struct isl_basic_set *isl_set_bounded_simple_hull(struct isl_set *set);
 182
 183 struct isl_set *isl_set_union_disjoint(
 184                         struct isl_set *set1, struct isl_set *set2);
 185 __isl_give isl_set *isl_set_union(
 186                 __isl_take isl_set *set1,
 187                 __isl_take isl_set *set2);
 188 struct isl_set *isl_set_product(struct isl_set *set1, struct isl_set *set2);
 189 __isl_give isl_set *isl_set_intersect(
 190                 __isl_take isl_set *set1,
 191                 __isl_take isl_set *set2);
 192 __isl_give isl_set *isl_set_subtract(
 193                 __isl_take isl_set *set1,
 194                 __isl_take isl_set *set2);
 195 __isl_give isl_set *isl_set_apply(
 196                 __isl_take isl_set *set,
 197                 __isl_take isl_map *map);
 198 struct isl_set *isl_set_fix_dim_si(struct isl_set *set,
 199                 unsigned dim, int value);
 200 struct isl_set *isl_set_lower_bound_dim(struct isl_set *set,
 201                 unsigned dim, isl_int value);
 202 __isl_give isl_basic_set *isl_basic_set_project_out(
 203                 __isl_take isl_basic_set *bset,
 204                 enum isl_dim_type type, unsigned first, unsigned n);
 205 __isl_give isl_set *isl_set_project_out(__isl_take isl_set *set,
 206                 enum isl_dim_type type, unsigned first, unsigned n);
 207 struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
 208                 unsigned first, unsigned n);
 209 struct isl_basic_set *isl_basic_set_remove_divs(struct isl_basic_set *bset);
 210 struct isl_set *isl_set_eliminate_dims(struct isl_set *set,
 211                 unsigned first, unsigned n);
 212 struct isl_set *isl_set_remove_dims(struct isl_set *set,
 213                 unsigned first, unsigned n);
 214 struct isl_set *isl_set_remove_divs(struct isl_set *set);
 215
 216 void isl_set_dump(__isl_keep isl_set *set, FILE *out, int indent);
 217 struct isl_set *isl_set_swap_vars(struct isl_set *set, unsigned n);
 218 int isl_set_is_empty(__isl_keep isl_set *set);
 219 int isl_set_is_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 220 int isl_set_is_strict_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 221 int isl_set_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 222
 223 struct isl_set *isl_basic_set_compute_divs(struct isl_basic_set *bset);
 224 struct isl_set *isl_set_compute_divs(struct isl_set *set);
 225
 226 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set);
 227 struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
 228                                                 struct isl_basic_set *bset);
 229
 230 int isl_basic_set_fast_dim_is_fixed(struct isl_basic_set *bset, unsigned dim,
 231         isl_int *val);
 232
 233 int isl_set_fast_dim_is_fixed(struct isl_set *set, unsigned dim, isl_int *val);
 234 int isl_set_fast_dim_has_fixed_lower_bound(struct isl_set *set,
 235         unsigned dim, isl_int *val);
 236
 237 struct isl_basic_set *isl_basic_set_gist(struct isl_basic_set *bset,
 238                                                 struct isl_basic_set *context);
 239 struct isl_set *isl_set_gist(struct isl_set *set,
 240         struct isl_basic_set *context);
 241 int isl_basic_set_dim_residue_class(struct isl_basic_set *bset,
 242         int pos, isl_int *modulo, isl_int *residue);
 243 int isl_set_dim_residue_class(struct isl_set *set,
 244         int pos, isl_int *modulo, isl_int *residue);
 245
 246 __isl_give isl_set *isl_set_coalesce(__isl_take isl_set *set);
 247
 248 int isl_set_fast_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 249 int isl_set_fast_is_disjoint(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 250
 251 uint32_t isl_set_get_hash(struct isl_set *set);
 252
 253 int isl_set_dim_is_unique(struct isl_set *set, unsigned dim);
 254
 255 int isl_set_foreach_basic_set(__isl_keep isl_set *set,
 256         int (*fn)(__isl_take isl_basic_set *bset, void *user), void *user);
 257
 258 #if defined(__cplusplus)
 259 }
 260 #endif
 261
 262 #endif