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_NORMALIZED        (1 << 5)
  19         unsigned flags;
  20
  21         struct isl_ctx *ctx;
  22
  23         struct isl_dim *dim;
  24         unsigned extra;
  25
  26         unsigned n_eq;
  27         unsigned n_ineq;
  28
  29         size_t c_size;
  30         isl_int **eq;
  31         isl_int **ineq;
  32
  33         unsigned n_div;
  34
  35         isl_int **div;
  36
  37         struct isl_vec *sample;
  38
  39         struct isl_blk block;
  40         struct isl_blk block2;
  41 };
  42
  43 /* A "set" is a (possibly disjoint) union of basic sets.
  44  *
  45  * See the documentation of isl_map.
  46  */
  47 struct isl_set {
  48         int ref;
  49 #define ISL_SET_DISJOINT                (1 << 0)
  50 #define ISL_SET_NORMALIZED              (1 << 1)
  51         unsigned flags;
  52
  53         struct isl_ctx *ctx;
  54
  55         struct isl_dim *dim;
  56
  57         int n;
  58
  59         size_t size;
  60         struct isl_basic_set *p[0];
  61 };
  62
  63 unsigned isl_basic_set_n_dim(const struct isl_basic_set *bset);
  64 unsigned isl_basic_set_n_param(const struct isl_basic_set *bset);
  65 unsigned isl_basic_set_total_dim(const struct isl_basic_set *bset);
  66 unsigned isl_basic_set_dim(const struct isl_basic_set *bset,
  67                                 enum isl_dim_type type);
  68
  69 unsigned isl_set_n_dim(const struct isl_set *set);
  70 unsigned isl_set_n_param(const struct isl_set *set);
  71
  72 struct isl_basic_set *isl_basic_set_alloc(struct isl_ctx *ctx,
  73                 unsigned nparam, unsigned dim, unsigned extra,
  74                 unsigned n_eq, unsigned n_ineq);
  75 struct isl_basic_set *isl_basic_set_extend(struct isl_basic_set *base,
  76                 unsigned nparam, unsigned dim, unsigned extra,
  77                 unsigned n_eq, unsigned n_ineq);
  78 struct isl_basic_set *isl_basic_set_extend_constraints(
  79                 struct isl_basic_set *base, unsigned n_eq, unsigned n_ineq);
  80 struct isl_basic_set *isl_basic_set_finalize(struct isl_basic_set *bset);
  81 void isl_basic_set_free(struct isl_basic_set *bset);
  82 struct isl_basic_set *isl_basic_set_copy(struct isl_basic_set *bset);
  83 struct isl_basic_set *isl_basic_set_dup(struct isl_basic_set *bset);
  84 struct isl_basic_set *isl_basic_set_empty(struct isl_dim *dim);
  85 struct isl_basic_set *isl_basic_set_empty_like(struct isl_basic_set *bset);
  86 struct isl_basic_set *isl_basic_set_universe(struct isl_dim *dim);
  87 struct isl_basic_set *isl_basic_set_universe_like(struct isl_basic_set *bset);
  88 struct isl_basic_set *isl_basic_set_interval(struct isl_ctx *ctx,
  89         isl_int min, isl_int max);
  90 void isl_basic_set_dump(struct isl_basic_set *bset,
  91                                 FILE *out, int indent);
  92 struct isl_basic_set *isl_basic_set_swap_vars(
  93                 struct isl_basic_set *bset, unsigned n);
  94 struct isl_basic_set *isl_basic_set_intersect(
  95                 struct isl_basic_set *bset1,
  96                 struct isl_basic_set *bset2);
  97 struct isl_basic_set *isl_basic_set_apply(
  98                 struct isl_basic_set *bset,
  99                 struct isl_basic_map *bmap);
 100 struct isl_basic_set *isl_basic_set_affine_hull(struct isl_basic_set *bset);
 101 struct isl_basic_set *isl_basic_set_simplify(struct isl_basic_set *bset);
 102 struct isl_basic_set *isl_basic_set_product(struct isl_basic_set_list *list);
 103
 104 #define ISL_FORMAT_POLYLIB              1
 105 #define ISL_FORMAT_OMEGA                2
 106 struct isl_basic_set *isl_basic_set_read_from_file(struct isl_ctx *ctx,
 107                 FILE *input, unsigned nparam, unsigned input_format);
 108 struct isl_basic_set *isl_basic_set_read_from_str(struct isl_ctx *ctx,
 109                 const char *str, unsigned nparam, unsigned input_format);
 110 struct isl_set *isl_set_read_from_file(struct isl_ctx *ctx,
 111                 FILE *input, unsigned nparam, unsigned input_format);
 112 #define ISL_FORMAT_POLYLIB_CONSTRAINTS  3
 113 void isl_basic_set_print(struct isl_basic_set *bset, FILE *out, int indent,
 114         const char *prefix, const char *suffix, unsigned output_format);
 115 void isl_set_print(struct isl_set *set, FILE *out, int indent,
 116         unsigned output_format);
 117 struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
 118                 enum isl_dim_type type, unsigned pos, int value);
 119
 120 struct isl_basic_set *isl_basic_set_from_underlying_set(
 121         struct isl_basic_set *bset, struct isl_basic_set *like);
 122 struct isl_set *isl_set_from_underlying_set(
 123         struct isl_set *set, struct isl_basic_set *like);
 124 struct isl_set *isl_set_to_underlying_set(struct isl_set *set);
 125
 126 int isl_basic_set_is_equal(
 127                 struct isl_basic_set *bset1, struct isl_basic_set *bset2);
 128
 129 struct isl_set *isl_basic_set_lexmin(struct isl_basic_set *bset);
 130 struct isl_set *isl_basic_set_union(
 131                 struct isl_basic_set *bset1,
 132                 struct isl_basic_set *bset2);
 133
 134 int isl_basic_set_compare_at(struct isl_basic_set *bset1,
 135         struct isl_basic_set *bset2, int pos);
 136
 137 int isl_basic_set_is_empty(struct isl_basic_set *bset);
 138
 139 struct isl_set *isl_set_alloc(struct isl_ctx *ctx,
 140                 unsigned nparam, unsigned dim, int n, unsigned flags);
 141 struct isl_set *isl_set_extend(struct isl_set *base,
 142                 unsigned nparam, unsigned dim);
 143 struct isl_set *isl_set_empty(struct isl_dim *dim);
 144 struct isl_set *isl_set_empty_like(struct isl_set *set);
 145 struct isl_set *isl_set_universe(struct isl_dim *dim);
 146 struct isl_set *isl_set_add(struct isl_set *set, struct isl_basic_set *bset);
 147 struct isl_set *isl_set_finalize(struct isl_set *set);
 148 struct isl_set *isl_set_copy(struct isl_set *set);
 149 void isl_set_free(struct isl_set *set);
 150 struct isl_set *isl_set_dup(struct isl_set *set);
 151 struct isl_set *isl_set_from_basic_set(struct isl_basic_set *bset);
 152 struct isl_basic_set *isl_set_affine_hull(struct isl_set *set);
 153 struct isl_basic_set *isl_set_convex_hull(struct isl_set *set);
 154 struct isl_basic_set *isl_set_simple_hull(struct isl_set *set);
 155
 156 struct isl_set *isl_set_union_disjoint(
 157                         struct isl_set *set1, struct isl_set *set2);
 158 struct isl_set *isl_set_union(struct isl_set *set1, struct isl_set *set2);
 159 struct isl_set *isl_set_intersect(struct isl_set *set1, struct isl_set *set2);
 160 struct isl_set *isl_set_subtract(struct isl_set *set1, struct isl_set *set2);
 161 struct isl_set *isl_set_apply(struct isl_set *set, struct isl_map *map);
 162 struct isl_set *isl_set_fix_dim_si(struct isl_set *set,
 163                 unsigned dim, int value);
 164 struct isl_set *isl_set_lower_bound_dim(struct isl_set *set,
 165                 unsigned dim, isl_int value);
 166 struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
 167                 unsigned first, unsigned n);
 168 struct isl_basic_set *isl_basic_set_remove_divs(struct isl_basic_set *bset);
 169 struct isl_set *isl_set_eliminate_dims(struct isl_set *set,
 170                 unsigned first, unsigned n);
 171 struct isl_set *isl_set_remove_dims(struct isl_set *set,
 172                 unsigned first, unsigned n);
 173 struct isl_set *isl_set_remove_divs(struct isl_set *set);
 174
 175 void isl_set_dump(struct isl_set *set, FILE *out, int indent);
 176 struct isl_set *isl_set_swap_vars(struct isl_set *set, unsigned n);
 177 int isl_set_is_empty(struct isl_set *set);
 178 int isl_set_is_subset(struct isl_set *set1, struct isl_set *set2);
 179 int isl_set_is_equal(struct isl_set *set1, struct isl_set *set2);
 180
 181 struct isl_set *isl_basic_set_compute_divs(struct isl_basic_set *bset);
 182 struct isl_set *isl_set_compute_divs(struct isl_set *set);
 183
 184 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set);
 185 struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
 186                                                 struct isl_basic_set *bset);
 187
 188 int isl_set_fast_dim_is_fixed(struct isl_set *set, unsigned dim, isl_int *val);
 189 int isl_set_fast_dim_has_fixed_lower_bound(struct isl_set *set,
 190         unsigned dim, isl_int *val);
 191
 192 struct isl_basic_set *isl_basic_set_gist(struct isl_basic_set *bset,
 193                                                 struct isl_basic_set *context);
 194 struct isl_set *isl_set_gist(struct isl_set *set,
 195         struct isl_basic_set *context);
 196 int isl_basic_set_dim_residue_class(struct isl_basic_set *bset,
 197         int pos, isl_int *modulo, isl_int *residue);
 198
 199 int isl_set_fast_is_equal(struct isl_set *set1, struct isl_set *set2);
 200 int isl_set_fast_is_disjoint(struct isl_set *set1, struct isl_set *set2);
 201
 202 uint32_t isl_set_get_hash(struct isl_set *set);
 203
 204 int isl_set_dim_is_unique(struct isl_set *set, unsigned dim);
 205
 206 #if defined(__cplusplus)
 207 }
 208 #endif
 209
 210 #endif