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/printer.h>
  18
  19 #if defined(__cplusplus)
  20 extern "C" {
  21 #endif
  22
  23 struct isl_constraint;
  24 typedef struct isl_constraint isl_constraint;
  25
  26 isl_ctx *isl_constraint_get_ctx(__isl_keep isl_constraint *c);
  27
  28 __isl_give isl_constraint *isl_equality_alloc(__isl_take isl_local_space *ls);
  29 __isl_give isl_constraint *isl_inequality_alloc(__isl_take isl_local_space *ls);
  30
  31 struct isl_constraint *isl_constraint_cow(struct isl_constraint *c);
  32 struct isl_constraint *isl_constraint_copy(struct isl_constraint *c);
  33 void *isl_constraint_free(__isl_take isl_constraint *c);
  34
  35 int isl_basic_set_n_constraint(__isl_keep isl_basic_set *bset);
  36 int isl_basic_map_foreach_constraint(__isl_keep isl_basic_map *bmap,
  37         int (*fn)(__isl_take isl_constraint *c, void *user), void *user);
  38 int isl_basic_set_foreach_constraint(__isl_keep isl_basic_set *bset,
  39         int (*fn)(__isl_take isl_constraint *c, void *user), void *user);
  40 int isl_constraint_is_equal(struct isl_constraint *constraint1,
  41                             struct isl_constraint *constraint2);
  42
  43 int isl_basic_set_foreach_bound_pair(__isl_keep isl_basic_set *bset,
  44         enum isl_dim_type type, unsigned pos,
  45         int (*fn)(__isl_take isl_constraint *lower,
  46                   __isl_take isl_constraint *upper,
  47                   __isl_take isl_basic_set *bset, void *user), void *user);
  48
  49 __isl_give isl_basic_map *isl_basic_map_add_constraint(
  50         __isl_take isl_basic_map *bmap, __isl_take isl_constraint *constraint);
  51 __isl_give isl_basic_set *isl_basic_set_add_constraint(
  52         __isl_take isl_basic_set *bset, __isl_take isl_constraint *constraint);
  53 __isl_give isl_map *isl_map_add_constraint(__isl_take isl_map *map,
  54         __isl_take isl_constraint *constraint);
  55 __isl_give isl_set *isl_set_add_constraint(__isl_take isl_set *set,
  56         __isl_take isl_constraint *constraint);
  57
  58 int isl_basic_map_has_defining_equality(
  59         __isl_keep isl_basic_map *bmap, enum isl_dim_type type, int pos,
  60         __isl_give isl_constraint **c);
  61 int isl_basic_set_has_defining_equality(
  62         struct isl_basic_set *bset, enum isl_dim_type type, int pos,
  63         struct isl_constraint **constraint);
  64 int isl_basic_set_has_defining_inequalities(
  65         struct isl_basic_set *bset, enum isl_dim_type type, int pos,
  66         struct isl_constraint **lower,
  67         struct isl_constraint **upper);
  68
  69 __isl_give isl_space *isl_constraint_get_space(
  70         __isl_keep isl_constraint *constraint);
  71 __isl_give isl_local_space *isl_constraint_get_local_space(
  72         __isl_keep isl_constraint *constraint);
  73 int isl_constraint_dim(struct isl_constraint *constraint,
  74         enum isl_dim_type type);
  75
  76 int isl_constraint_involves_dims(__isl_keep isl_constraint *constraint,
  77         enum isl_dim_type type, unsigned first, unsigned n);
  78
  79 const char *isl_constraint_get_dim_name(__isl_keep isl_constraint *constraint,
  80         enum isl_dim_type type, unsigned pos);
  81 void isl_constraint_get_constant(__isl_keep isl_constraint *constraint,
  82         isl_int *v);
  83 void isl_constraint_get_coefficient(__isl_keep isl_constraint *constraint,
  84         enum isl_dim_type type, int pos, isl_int *v);
  85 __isl_give isl_constraint *isl_constraint_set_constant(
  86         __isl_take isl_constraint *constraint, isl_int v);
  87 __isl_give isl_constraint *isl_constraint_set_constant_si(
  88         __isl_take isl_constraint *constraint, int v);
  89 __isl_give isl_constraint *isl_constraint_set_coefficient(
  90         __isl_take isl_constraint *constraint,
  91         enum isl_dim_type type, int pos, isl_int v);
  92 __isl_give isl_constraint *isl_constraint_set_coefficient_si(
  93         __isl_take isl_constraint *constraint,
  94         enum isl_dim_type type, int pos, int v);
  95
  96 __isl_give isl_aff *isl_constraint_get_div(__isl_keep isl_constraint *constraint,
  97         int pos);
  98
  99 struct isl_constraint *isl_constraint_negate(struct isl_constraint *constraint);
 100
 101 int isl_constraint_is_equality(__isl_keep isl_constraint *constraint);
 102 int isl_constraint_is_div_constraint(__isl_keep isl_constraint *constraint);
 103
 104 int isl_constraint_is_lower_bound(__isl_keep isl_constraint *constraint,
 105         enum isl_dim_type type, unsigned pos);
 106 int isl_constraint_is_upper_bound(__isl_keep isl_constraint *constraint,
 107         enum isl_dim_type type, unsigned pos);
 108
 109 __isl_give isl_basic_map *isl_basic_map_from_constraint(
 110         __isl_take isl_constraint *constraint);
 111 struct isl_basic_set *isl_basic_set_from_constraint(
 112         struct isl_constraint *constraint);
 113
 114 __isl_give isl_aff *isl_constraint_get_bound(
 115         __isl_keep isl_constraint *constraint, enum isl_dim_type type, int pos);
 116 __isl_give isl_aff *isl_constraint_get_aff(
 117         __isl_keep isl_constraint *constraint);
 118 __isl_give isl_constraint *isl_equality_from_aff(__isl_take isl_aff *aff);
 119 __isl_give isl_constraint *isl_inequality_from_aff(__isl_take isl_aff *aff);
 120
 121 __isl_give isl_basic_set *isl_basic_set_drop_constraint(
 122         __isl_take isl_basic_set *bset, __isl_take isl_constraint *constraint);
 123
 124 __isl_give isl_printer *isl_printer_print_constraint(__isl_take isl_printer *p,
 125         __isl_keep isl_constraint *c);
 126 void isl_constraint_dump(__isl_keep isl_constraint *c);
 127
 128 #if defined(__cplusplus)
 129 }
 130 #endif
 131
 132 #include <isl/dim.h>
 133
 134 #endif