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[0];
  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(struct isl_basic_set *bset);
  91 struct isl_basic_set *isl_basic_set_copy(struct isl_basic_set *bset);
  92 struct isl_basic_set *isl_basic_set_dup(struct isl_basic_set *bset);
  93 struct isl_basic_set *isl_basic_set_empty(struct isl_dim *dim);
  94 struct isl_basic_set *isl_basic_set_empty_like(struct isl_basic_set *bset);
  95 struct isl_basic_set *isl_basic_set_universe(struct isl_dim *dim);
  96 struct isl_basic_set *isl_basic_set_universe_like(struct isl_basic_set *bset);
  97 struct isl_basic_set *isl_basic_set_interval(struct isl_ctx *ctx,
  98         isl_int min, isl_int max);
  99 void isl_basic_set_dump(struct isl_basic_set *bset,
 100                                 FILE *out, int indent);
 101 struct isl_basic_set *isl_basic_set_swap_vars(
 102                 struct isl_basic_set *bset, unsigned n);
 103 struct isl_basic_set *isl_basic_set_intersect(
 104                 struct isl_basic_set *bset1,
 105                 struct isl_basic_set *bset2);
 106 struct isl_basic_set *isl_basic_set_apply(
 107                 struct isl_basic_set *bset,
 108                 struct isl_basic_map *bmap);
 109 struct isl_basic_set *isl_basic_set_affine_hull(struct isl_basic_set *bset);
 110 struct isl_basic_set *isl_basic_set_simplify(struct isl_basic_set *bset);
 111 struct isl_basic_set *isl_basic_set_product(struct isl_basic_set_list *list);
 112
 113 #define ISL_FORMAT_POLYLIB              1
 114 #define ISL_FORMAT_OMEGA                2
 115 struct isl_basic_set *isl_basic_set_read_from_file(struct isl_ctx *ctx,
 116                 FILE *input, unsigned nparam, unsigned input_format);
 117 struct isl_basic_set *isl_basic_set_read_from_str(struct isl_ctx *ctx,
 118                 const char *str, unsigned nparam, unsigned input_format);
 119 struct isl_set *isl_set_read_from_file(struct isl_ctx *ctx,
 120                 FILE *input, unsigned nparam, unsigned input_format);
 121 #define ISL_FORMAT_POLYLIB_CONSTRAINTS  3
 122 void isl_basic_set_print(struct isl_basic_set *bset, FILE *out, int indent,
 123         const char *prefix, const char *suffix, unsigned output_format);
 124 void isl_set_print(struct isl_set *set, FILE *out, int indent,
 125         unsigned output_format);
 126 struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
 127                 enum isl_dim_type type, unsigned pos, int value);
 128
 129 struct isl_basic_set *isl_basic_set_from_underlying_set(
 130         struct isl_basic_set *bset, struct isl_basic_set *like);
 131 struct isl_set *isl_set_from_underlying_set(
 132         struct isl_set *set, struct isl_basic_set *like);
 133 struct isl_set *isl_set_to_underlying_set(struct isl_set *set);
 134
 135 int isl_basic_set_is_equal(
 136                 struct isl_basic_set *bset1, struct isl_basic_set *bset2);
 137
 138 struct isl_set *isl_basic_set_lexmin(struct isl_basic_set *bset);
 139 struct isl_set *isl_basic_set_union(
 140                 struct isl_basic_set *bset1,
 141                 struct isl_basic_set *bset2);
 142
 143 int isl_basic_set_compare_at(struct isl_basic_set *bset1,
 144         struct isl_basic_set *bset2, int pos);
 145
 146 int isl_basic_set_is_universe(struct isl_basic_set *bset);
 147 int isl_basic_set_fast_is_empty(struct isl_basic_set *bset);
 148 int isl_basic_set_is_empty(struct isl_basic_set *bset);
 149
 150 struct isl_set *isl_set_alloc(struct isl_ctx *ctx,
 151                 unsigned nparam, unsigned dim, int n, unsigned flags);
 152 struct isl_set *isl_set_extend(struct isl_set *base,
 153                 unsigned nparam, unsigned dim);
 154 struct isl_set *isl_set_empty(struct isl_dim *dim);
 155 struct isl_set *isl_set_empty_like(struct isl_set *set);
 156 struct isl_set *isl_set_universe(struct isl_dim *dim);
 157 struct isl_set *isl_set_add(struct isl_set *set, struct isl_basic_set *bset);
 158 struct isl_set *isl_set_finalize(struct isl_set *set);
 159 struct isl_set *isl_set_copy(struct isl_set *set);
 160 void isl_set_free(struct isl_set *set);
 161 struct isl_set *isl_set_dup(struct isl_set *set);
 162 struct isl_set *isl_set_from_basic_set(struct isl_basic_set *bset);
 163 struct isl_basic_set *isl_set_affine_hull(struct isl_set *set);
 164 struct isl_basic_set *isl_set_convex_hull(struct isl_set *set);
 165 struct isl_basic_set *isl_set_simple_hull(struct isl_set *set);
 166 struct isl_basic_set *isl_set_bounded_simple_hull(struct isl_set *set);
 167
 168 struct isl_set *isl_set_union_disjoint(
 169                         struct isl_set *set1, struct isl_set *set2);
 170 struct isl_set *isl_set_union(struct isl_set *set1, struct isl_set *set2);
 171 struct isl_set *isl_set_product(struct isl_set *set1, struct isl_set *set2);
 172 struct isl_set *isl_set_intersect(struct isl_set *set1, struct isl_set *set2);
 173 struct isl_set *isl_set_subtract(struct isl_set *set1, struct isl_set *set2);
 174 struct isl_set *isl_set_apply(struct isl_set *set, struct isl_map *map);
 175 struct isl_set *isl_set_fix_dim_si(struct isl_set *set,
 176                 unsigned dim, int value);
 177 struct isl_set *isl_set_lower_bound_dim(struct isl_set *set,
 178                 unsigned dim, isl_int value);
 179 struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
 180                 unsigned first, unsigned n);
 181 struct isl_basic_set *isl_basic_set_remove_divs(struct isl_basic_set *bset);
 182 struct isl_set *isl_set_eliminate_dims(struct isl_set *set,
 183                 unsigned first, unsigned n);
 184 struct isl_set *isl_set_remove_dims(struct isl_set *set,
 185                 unsigned first, unsigned n);
 186 struct isl_set *isl_set_remove_divs(struct isl_set *set);
 187
 188 void isl_set_dump(struct isl_set *set, FILE *out, int indent);
 189 struct isl_set *isl_set_swap_vars(struct isl_set *set, unsigned n);
 190 int isl_set_is_empty(struct isl_set *set);
 191 int isl_set_is_subset(struct isl_set *set1, struct isl_set *set2);
 192 int isl_set_is_equal(struct isl_set *set1, struct isl_set *set2);
 193
 194 struct isl_set *isl_basic_set_compute_divs(struct isl_basic_set *bset);
 195 struct isl_set *isl_set_compute_divs(struct isl_set *set);
 196
 197 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set);
 198 struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
 199                                                 struct isl_basic_set *bset);
 200
 201 int isl_set_fast_dim_is_fixed(struct isl_set *set, unsigned dim, isl_int *val);
 202 int isl_set_fast_dim_has_fixed_lower_bound(struct isl_set *set,
 203         unsigned dim, isl_int *val);
 204
 205 struct isl_basic_set *isl_basic_set_gist(struct isl_basic_set *bset,
 206                                                 struct isl_basic_set *context);
 207 struct isl_set *isl_set_gist(struct isl_set *set,
 208         struct isl_basic_set *context);
 209 int isl_basic_set_dim_residue_class(struct isl_basic_set *bset,
 210         int pos, isl_int *modulo, isl_int *residue);
 211
 212 struct isl_set *isl_set_coalesce(struct isl_set *set);
 213
 214 int isl_set_fast_is_equal(struct isl_set *set1, struct isl_set *set2);
 215 int isl_set_fast_is_disjoint(struct isl_set *set1, struct isl_set *set2);
 216
 217 uint32_t isl_set_get_hash(struct isl_set *set);
 218
 219 int isl_set_dim_is_unique(struct isl_set *set, unsigned dim);
 220
 221 #if defined(__cplusplus)
 222 }
 223 #endif
 224
 225 #endif