2 * Copyright 2008-2009 Katholieke Universiteit Leuven
4 * Use of this software is governed by the MIT license
6 * Written by Sven Verdoolaege, K.U.Leuven, Departement
7 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
10 #ifndef ISL_CONSTRAINT_H
11 #define ISL_CONSTRAINT_H
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>
19 #if defined(__cplusplus)
23 struct isl_constraint
;
24 typedef struct isl_constraint isl_constraint
;
26 isl_ctx
*isl_constraint_get_ctx(__isl_keep isl_constraint
*c
);
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
);
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
);
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
);
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
);
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
);
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
);
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
);
76 int isl_constraint_involves_dims(__isl_keep isl_constraint
*constraint
,
77 enum isl_dim_type type
, unsigned first
, unsigned n
);
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
,
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
);
96 __isl_give isl_aff
*isl_constraint_get_div(__isl_keep isl_constraint
*constraint
,
99 struct isl_constraint
*isl_constraint_negate(struct isl_constraint
*constraint
);
101 int isl_constraint_is_equality(__isl_keep isl_constraint
*constraint
);
102 int isl_constraint_is_div_constraint(__isl_keep isl_constraint
*constraint
);
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
);
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
);
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
);
121 __isl_give isl_basic_set
*isl_basic_set_drop_constraint(
122 __isl_take isl_basic_set
*bset
, __isl_take isl_constraint
*constraint
);
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
);
128 #if defined(__cplusplus)