include/isl/constraint.h

   1 /*
   2  * Copyright 2008-2009 Katholieke Universiteit Leuven
   3  *
   4  * Use of this software is governed by the MIT license
   5  *
   6  * Written by Sven Verdoolaege, K.U.Leuven, Departement
   7  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
   8  */
   9
  10 #ifndef ISL_CONSTRAINT_H
  11 #define ISL_CONSTRAINT_H
  12
  13 #include <isl/local_space.h>
  14 #include <isl/space.h>
  15 #include <isl/aff_type.h>
  16 #include <isl/set_type.h>
  17 #include <isl/list.h>
  18 #include <isl/printer.h>
  19
  20 #if defined(__cplusplus)
  21 extern "C" {
  22 #endif
  23
  24 struct isl_constraint;
  25 typedef struct isl_constraint isl_constraint;
  26
  27 ISL_DECLARE_LIST(constraint)
  28
  29 isl_ctx *isl_constraint_get_ctx(__isl_keep isl_constraint *c);
  30
  31 __isl_give isl_constraint *isl_equality_alloc(__isl_take isl_local_space *ls);
  32 __isl_give isl_constraint *isl_inequality_alloc(__isl_take isl_local_space *ls);
  33
  34 struct isl_constraint *isl_constraint_cow(struct isl_constraint *c);
  35 struct isl_constraint *isl_constraint_copy(struct isl_constraint *c);
  36 void *isl_constraint_free(__isl_take isl_constraint *c);
  37
  38 int isl_basic_set_n_constraint(__isl_keep isl_basic_set *bset);
  39 int isl_basic_map_foreach_constraint(__isl_keep isl_basic_map *bmap,
  40         int (*fn)(__isl_take isl_constraint *c, void *user), void *user);
  41 int isl_basic_set_foreach_constraint(__isl_keep isl_basic_set *bset,
  42         int (*fn)(__isl_take isl_constraint *c, void *user), void *user);
  43 int isl_constraint_is_equal(struct isl_constraint *constraint1,
  44                             struct isl_constraint *constraint2);
  45
  46 int isl_basic_set_foreach_bound_pair(__isl_keep isl_basic_set *bset,
  47         enum isl_dim_type type, unsigned pos,
  48         int (*fn)(__isl_take isl_constraint *lower,
  49                   __isl_take isl_constraint *upper,
  50                   __isl_take isl_basic_set *bset, void *user), void *user);
  51
  52 __isl_give isl_basic_map *isl_basic_map_add_constraint(
  53         __isl_take isl_basic_map *bmap, __isl_take isl_constraint *constraint);
  54 __isl_give isl_basic_set *isl_basic_set_add_constraint(
  55         __isl_take isl_basic_set *bset, __isl_take isl_constraint *constraint);
  56 __isl_give isl_map *isl_map_add_constraint(__isl_take isl_map *map,
  57         __isl_take isl_constraint *constraint);
  58 __isl_give isl_set *isl_set_add_constraint(__isl_take isl_set *set,
  59         __isl_take isl_constraint *constraint);
  60
  61 int isl_basic_map_has_defining_equality(
  62         __isl_keep isl_basic_map *bmap, enum isl_dim_type type, int pos,
  63         __isl_give isl_constraint **c);
  64 int isl_basic_set_has_defining_equality(
  65         struct isl_basic_set *bset, enum isl_dim_type type, int pos,
  66         struct isl_constraint **constraint);
  67 int isl_basic_set_has_defining_inequalities(
  68         struct isl_basic_set *bset, enum isl_dim_type type, int pos,
  69         struct isl_constraint **lower,
  70         struct isl_constraint **upper);
  71
  72 __isl_give isl_space *isl_constraint_get_space(
  73         __isl_keep isl_constraint *constraint);
  74 __isl_give isl_local_space *isl_constraint_get_local_space(
  75         __isl_keep isl_constraint *constraint);
  76 int isl_constraint_dim(struct isl_constraint *constraint,
  77         enum isl_dim_type type);
  78
  79 int isl_constraint_involves_dims(__isl_keep isl_constraint *constraint,
  80         enum isl_dim_type type, unsigned first, unsigned n);
  81
  82 const char *isl_constraint_get_dim_name(__isl_keep isl_constraint *constraint,
  83         enum isl_dim_type type, unsigned pos);
  84 void isl_constraint_get_constant(__isl_keep isl_constraint *constraint,
  85         isl_int *v);
  86 void isl_constraint_get_coefficient(__isl_keep isl_constraint *constraint,
  87         enum isl_dim_type type, int pos, isl_int *v);
  88 __isl_give isl_constraint *isl_constraint_set_constant(
  89         __isl_take isl_constraint *constraint, isl_int v);
  90 __isl_give isl_constraint *isl_constraint_set_constant_si(
  91         __isl_take isl_constraint *constraint, int v);
  92 __isl_give isl_constraint *isl_constraint_set_coefficient(
  93         __isl_take isl_constraint *constraint,
  94         enum isl_dim_type type, int pos, isl_int v);
  95 __isl_give isl_constraint *isl_constraint_set_coefficient_si(
  96         __isl_take isl_constraint *constraint,
  97         enum isl_dim_type type, int pos, int v);
  98
  99 __isl_give isl_aff *isl_constraint_get_div(__isl_keep isl_constraint *constraint,
 100         int pos);
 101
 102 struct isl_constraint *isl_constraint_negate(struct isl_constraint *constraint);
 103
 104 int isl_constraint_is_equality(__isl_keep isl_constraint *constraint);
 105 int isl_constraint_is_div_constraint(__isl_keep isl_constraint *constraint);
 106
 107 int isl_constraint_is_lower_bound(__isl_keep isl_constraint *constraint,
 108         enum isl_dim_type type, unsigned pos);
 109 int isl_constraint_is_upper_bound(__isl_keep isl_constraint *constraint,
 110         enum isl_dim_type type, unsigned pos);
 111
 112 __isl_give isl_basic_map *isl_basic_map_from_constraint(
 113         __isl_take isl_constraint *constraint);
 114 struct isl_basic_set *isl_basic_set_from_constraint(
 115         struct isl_constraint *constraint);
 116
 117 __isl_give isl_aff *isl_constraint_get_bound(
 118         __isl_keep isl_constraint *constraint, enum isl_dim_type type, int pos);
 119 __isl_give isl_aff *isl_constraint_get_aff(
 120         __isl_keep isl_constraint *constraint);
 121 __isl_give isl_constraint *isl_equality_from_aff(__isl_take isl_aff *aff);
 122 __isl_give isl_constraint *isl_inequality_from_aff(__isl_take isl_aff *aff);
 123
 124 __isl_give isl_basic_set *isl_basic_set_drop_constraint(
 125         __isl_take isl_basic_set *bset, __isl_take isl_constraint *constraint);
 126
 127 __isl_give isl_printer *isl_printer_print_constraint(__isl_take isl_printer *p,
 128         __isl_keep isl_constraint *c);
 129 void isl_constraint_dump(__isl_keep isl_constraint *c);
 130
 131 #if defined(__cplusplus)
 132 }
 133 #endif
 134
 135 #include <isl/dim.h>
 136
 137 #endif