include/isl/constraint.h

   1 /*
   2  * Copyright 2008-2009 Katholieke Universiteit Leuven
   3  *
   4  * Use of this software is governed by the GNU LGPLv2.1 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/aff_type.h>
  14 #include <isl/div.h>
  15 #include <isl/set_type.h>
  16 #include <isl/printer.h>
  17
  18 #if defined(__cplusplus)
  19 extern "C" {
  20 #endif
  21
  22 struct isl_constraint;
  23 typedef struct isl_constraint isl_constraint;
  24
  25 isl_ctx *isl_constraint_get_ctx(__isl_keep isl_constraint *c);
  26
  27 __isl_give isl_constraint *isl_equality_alloc(__isl_take isl_dim *dim);
  28 __isl_give isl_constraint *isl_inequality_alloc(__isl_take isl_dim *dim);
  29
  30 struct isl_constraint *isl_constraint_cow(struct isl_constraint *c);
  31 struct isl_constraint *isl_constraint_copy(struct isl_constraint *c);
  32 void isl_constraint_free(struct isl_constraint *c);
  33
  34 __isl_give isl_constraint *isl_basic_map_first_constraint(
  35         __isl_take isl_basic_map *bmap);
  36 __isl_give isl_constraint *isl_basic_set_first_constraint(
  37         __isl_take isl_basic_set *bset);
  38 struct isl_constraint *isl_constraint_next(struct isl_constraint *c);
  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_dim *isl_constraint_get_dim(
  73         __isl_keep isl_constraint *constraint);
  74 int isl_constraint_dim(struct isl_constraint *constraint,
  75         enum isl_dim_type type);
  76
  77 int isl_constraint_involves_dims(__isl_keep isl_constraint *constraint,
  78         enum isl_dim_type type, unsigned first, unsigned n);
  79
  80 const char *isl_constraint_get_dim_name(__isl_keep isl_constraint *constraint,
  81         enum isl_dim_type type, unsigned pos);
  82 void isl_constraint_get_constant(__isl_keep isl_constraint *constraint,
  83         isl_int *v);
  84 void isl_constraint_get_coefficient(__isl_keep isl_constraint *constraint,
  85         enum isl_dim_type type, int pos, isl_int *v);
  86 void isl_constraint_set_constant(__isl_keep isl_constraint *constraint, isl_int v);
  87 void isl_constraint_set_constant_si(__isl_keep isl_constraint *constraint,
  88         int v);
  89 void isl_constraint_set_coefficient(__isl_keep isl_constraint *constraint,
  90         enum isl_dim_type type, int pos, isl_int v);
  91 void isl_constraint_set_coefficient_si(__isl_keep isl_constraint *constraint,
  92         enum isl_dim_type type, int pos, int v);
  93
  94 __isl_give isl_div *isl_constraint_div(__isl_keep isl_constraint *constraint,
  95         int pos);
  96 struct isl_constraint *isl_constraint_add_div(struct isl_constraint *constraint,
  97         struct isl_div *div, int *pos);
  98
  99 void isl_constraint_clear(struct isl_constraint *constraint);
 100 struct isl_constraint *isl_constraint_negate(struct isl_constraint *constraint);
 101
 102 int isl_constraint_is_equality(__isl_keep isl_constraint *constraint);
 103 int isl_constraint_is_div_constraint(__isl_keep isl_constraint *constraint);
 104
 105 __isl_give isl_basic_map *isl_basic_map_from_constraint(
 106         __isl_take isl_constraint *constraint);
 107 struct isl_basic_set *isl_basic_set_from_constraint(
 108         struct isl_constraint *constraint);
 109
 110 __isl_give isl_aff *isl_constraint_get_bound(
 111         __isl_keep isl_constraint *constraint, enum isl_dim_type type, int pos);
 112 __isl_give isl_aff *isl_constraint_get_aff(
 113         __isl_keep isl_constraint *constraint);
 114 __isl_give isl_constraint *isl_equality_from_aff(__isl_take isl_aff *aff);
 115 __isl_give isl_constraint *isl_inequality_from_aff(__isl_take isl_aff *aff);
 116
 117 __isl_give isl_basic_set *isl_basic_set_drop_constraint(
 118         __isl_take isl_basic_set *bset, __isl_take isl_constraint *constraint);
 119
 120 __isl_give isl_printer *isl_printer_print_constraint(__isl_take isl_printer *p,
 121         __isl_keep isl_constraint *c);
 122 void isl_constraint_dump(__isl_keep isl_constraint *c);
 123
 124 #if defined(__cplusplus)
 125 }
 126 #endif
 127
 128 #endif