Merge branch 'maint'
[platform/upstream/isl.git] / 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(__isl_take isl_constraint *c);
33
34 int isl_basic_map_foreach_constraint(__isl_keep isl_basic_map *bmap,
35         int (*fn)(__isl_take isl_constraint *c, void *user), void *user);
36 int isl_basic_set_foreach_constraint(__isl_keep isl_basic_set *bset,
37         int (*fn)(__isl_take isl_constraint *c, void *user), void *user);
38 int isl_constraint_is_equal(struct isl_constraint *constraint1,
39                             struct isl_constraint *constraint2);
40
41 int isl_basic_set_foreach_bound_pair(__isl_keep isl_basic_set *bset,
42         enum isl_dim_type type, unsigned pos,
43         int (*fn)(__isl_take isl_constraint *lower,
44                   __isl_take isl_constraint *upper,
45                   __isl_take isl_basic_set *bset, void *user), void *user);
46
47 __isl_give isl_basic_map *isl_basic_map_add_constraint(
48         __isl_take isl_basic_map *bmap, __isl_take isl_constraint *constraint);
49 __isl_give isl_basic_set *isl_basic_set_add_constraint(
50         __isl_take isl_basic_set *bset, __isl_take isl_constraint *constraint);
51 __isl_give isl_map *isl_map_add_constraint(__isl_take isl_map *map,
52         __isl_take isl_constraint *constraint);
53 __isl_give isl_set *isl_set_add_constraint(__isl_take isl_set *set,
54         __isl_take isl_constraint *constraint);
55
56 int isl_basic_map_has_defining_equality(
57         __isl_keep isl_basic_map *bmap, enum isl_dim_type type, int pos,
58         __isl_give isl_constraint **c);
59 int isl_basic_set_has_defining_equality(
60         struct isl_basic_set *bset, enum isl_dim_type type, int pos,
61         struct isl_constraint **constraint);
62 int isl_basic_set_has_defining_inequalities(
63         struct isl_basic_set *bset, enum isl_dim_type type, int pos,
64         struct isl_constraint **lower,
65         struct isl_constraint **upper);
66
67 __isl_give isl_dim *isl_constraint_get_dim(
68         __isl_keep isl_constraint *constraint);
69 int isl_constraint_dim(struct isl_constraint *constraint,
70         enum isl_dim_type type);
71
72 int isl_constraint_involves_dims(__isl_keep isl_constraint *constraint,
73         enum isl_dim_type type, unsigned first, unsigned n);
74
75 const char *isl_constraint_get_dim_name(__isl_keep isl_constraint *constraint,
76         enum isl_dim_type type, unsigned pos);
77 void isl_constraint_get_constant(__isl_keep isl_constraint *constraint,
78         isl_int *v);
79 void isl_constraint_get_coefficient(__isl_keep isl_constraint *constraint,
80         enum isl_dim_type type, int pos, isl_int *v);
81 __isl_give isl_constraint *isl_constraint_set_constant(
82         __isl_take isl_constraint *constraint, isl_int v);
83 __isl_give isl_constraint *isl_constraint_set_constant_si(
84         __isl_take isl_constraint *constraint, int v);
85 __isl_give isl_constraint *isl_constraint_set_coefficient(
86         __isl_take isl_constraint *constraint,
87         enum isl_dim_type type, int pos, isl_int v);
88 __isl_give isl_constraint *isl_constraint_set_coefficient_si(
89         __isl_take isl_constraint *constraint,
90         enum isl_dim_type type, int pos, int v);
91
92 __isl_give isl_div *isl_constraint_div(__isl_keep isl_constraint *constraint,
93         int pos);
94
95 struct isl_constraint *isl_constraint_negate(struct isl_constraint *constraint);
96
97 int isl_constraint_is_equality(__isl_keep isl_constraint *constraint);
98 int isl_constraint_is_div_constraint(__isl_keep isl_constraint *constraint);
99
100 __isl_give isl_basic_map *isl_basic_map_from_constraint(
101         __isl_take isl_constraint *constraint);
102 struct isl_basic_set *isl_basic_set_from_constraint(
103         struct isl_constraint *constraint);
104
105 __isl_give isl_aff *isl_constraint_get_bound(
106         __isl_keep isl_constraint *constraint, enum isl_dim_type type, int pos);
107 __isl_give isl_aff *isl_constraint_get_aff(
108         __isl_keep isl_constraint *constraint);
109 __isl_give isl_constraint *isl_equality_from_aff(__isl_take isl_aff *aff);
110 __isl_give isl_constraint *isl_inequality_from_aff(__isl_take isl_aff *aff);
111
112 __isl_give isl_basic_set *isl_basic_set_drop_constraint(
113         __isl_take isl_basic_set *bset, __isl_take isl_constraint *constraint);
114
115 __isl_give isl_printer *isl_printer_print_constraint(__isl_take isl_printer *p,
116         __isl_keep isl_constraint *c);
117 void isl_constraint_dump(__isl_keep isl_constraint *c);
118
119 #if defined(__cplusplus)
120 }
121 #endif
122
123 #endif