1 | #ifndef ISL_VERTICES_PRIVATE_H |
2 | #define ISL_VERTICES_PRIVATE_H |
3 | |
4 | #include <isl/set.h> |
5 | #include <isl/vertices.h> |
6 | |
7 | #if defined(__cplusplus) |
8 | extern "C" { |
9 | #endif |
10 | |
11 | struct isl_morph; |
12 | |
13 | /* A parametric vertex. "vertex" contains the actual description |
14 | * of the vertex as a singleton parametric set. "dom" is the projection |
15 | * of "vertex" onto the parameter space, i.e., the activity domain |
16 | * of the vertex. |
17 | * During the construction of vertices and chambers, the activity domain |
18 | * of every parametric vertex is full-dimensional. |
19 | */ |
20 | struct isl_vertex { |
21 | isl_basic_set *dom; |
22 | isl_basic_set *vertex; |
23 | }; |
24 | |
25 | /* A chamber in the chamber decomposition. The indices of the "n_vertices" |
26 | * active vertices are stored in "vertices". |
27 | */ |
28 | struct isl_chamber { |
29 | int n_vertices; |
30 | int *vertices; |
31 | isl_basic_set *dom; |
32 | }; |
33 | |
34 | struct isl_vertices { |
35 | int ref; |
36 | |
37 | /* The rational basic set spanned by the vertices. */ |
38 | isl_basic_set *bset; |
39 | |
40 | int n_vertices; |
41 | struct isl_vertex *v; |
42 | |
43 | int n_chambers; |
44 | struct isl_chamber *c; |
45 | }; |
46 | |
47 | struct isl_cell { |
48 | int n_vertices; |
49 | int *ids; |
50 | isl_vertices *vertices; |
51 | isl_basic_set *dom; |
52 | }; |
53 | |
54 | struct isl_external_vertex { |
55 | isl_vertices *vertices; |
56 | int id; |
57 | }; |
58 | |
59 | isl_stat isl_vertices_foreach_disjoint_cell(__isl_keep isl_vertices *vertices, |
60 | isl_stat (*fn)(__isl_take isl_cell *cell, void *user), void *user); |
61 | isl_stat isl_cell_foreach_simplex(__isl_take isl_cell *cell, |
62 | isl_stat (*fn)(__isl_take isl_cell *simplex, void *user), void *user); |
63 | |
64 | __isl_give isl_vertices *isl_morph_vertices(__isl_take struct isl_morph *morph, |
65 | __isl_take isl_vertices *vertices); |
66 | |
67 | #if defined(__cplusplus) |
68 | } |
69 | #endif |
70 | |
71 | #endif |
72 | |