include/isl_constraint.h

   1 #ifndef ISL_CONSTRAINT_H
   2 #define ISL_CONSTRAINT_H
   3
   4 #include "isl_div.h"
   5 #include "isl_set.h"
   6
   7 #if defined(__cplusplus)
   8 extern "C" {
   9 #endif
  10
  11 struct isl_constraint {
  12         int ref;
  13         struct isl_ctx *ctx;
  14
  15         struct isl_basic_map    *bmap;
  16         isl_int                 **line;
  17 };
  18
  19 struct isl_constraint *isl_equality_alloc(struct isl_dim *dim);
  20 struct isl_constraint *isl_inequality_alloc(struct isl_dim *dim);
  21 struct isl_constraint *isl_basic_set_constraint(struct isl_basic_set *bset,
  22         isl_int **line);
  23
  24 struct isl_constraint *isl_constraint_cow(struct isl_constraint *c);
  25 struct isl_constraint *isl_constraint_copy(struct isl_constraint *c);
  26 struct isl_constraint *isl_constraint_free(struct isl_constraint *c);
  27
  28 struct isl_constraint *isl_basic_set_first_constraint(
  29         struct isl_basic_set *bset);
  30 struct isl_constraint *isl_constraint_next(struct isl_constraint *c);
  31 int isl_constraint_is_equal(struct isl_constraint *constraint1,
  32                             struct isl_constraint *constraint2);
  33
  34 struct isl_basic_map *isl_basic_map_add_constraint(
  35         struct isl_basic_map *bmap, struct isl_constraint *constraint);
  36 struct isl_basic_set *isl_basic_set_add_constraint(
  37         struct isl_basic_set *bset, struct isl_constraint *constraint);
  38
  39 int isl_basic_set_has_defining_equality(
  40         struct isl_basic_set *bset, enum isl_dim_type type, int pos,
  41         struct isl_constraint **constraint);
  42 int isl_basic_set_has_defining_inequalities(
  43         struct isl_basic_set *bset, enum isl_dim_type type, int pos,
  44         struct isl_constraint **lower,
  45         struct isl_constraint **upper);
  46
  47 int isl_constraint_dim(struct isl_constraint *constraint,
  48         enum isl_dim_type type);
  49
  50 void isl_constraint_get_constant(struct isl_constraint *constraint, isl_int *v);
  51 void isl_constraint_get_coefficient(struct isl_constraint *constraint,
  52         enum isl_dim_type type, int pos, isl_int *v);
  53 void isl_constraint_set_constant(struct isl_constraint *constraint, isl_int v);
  54 void isl_constraint_set_coefficient(struct isl_constraint *constraint,
  55         enum isl_dim_type type, int pos, isl_int v);
  56
  57 struct isl_div *isl_constraint_div(struct isl_constraint *constraint, int pos);
  58 struct isl_constraint *isl_constraint_add_div(struct isl_constraint *constraint,
  59         struct isl_div *div, int *pos);
  60
  61 void isl_constraint_clear(struct isl_constraint *constraint);
  62 struct isl_constraint *isl_constraint_negate(struct isl_constraint *constraint);
  63
  64 int isl_constraint_is_equality(struct isl_constraint *constraint);
  65
  66 struct isl_basic_set *isl_basic_set_from_constraint(
  67         struct isl_constraint *constraint);
  68
  69 #if defined(__cplusplus)
  70 }
  71 #endif
  72
  73 #endif