isl_map_simplify.c: uset_gist_full: negate constraint in copy
[isl.git] / isl_vertices_private.h
blob7c707fd54929d6f53c89fc07ea52ab70fc596038
1 #include <isl/set.h>
2 #include <isl/vertices.h>
4 #if defined(__cplusplus)
5 extern "C" {
6 #endif
8 struct isl_morph;
10 /* A parametric vertex. "vertex" contains the actual description
11 * of the vertex as a singleton parametric set. "dom" is the projection
12 * of "vertex" onto the parameter space, i.e., the activity domain
13 * of the vertex.
15 struct isl_vertex {
16 isl_basic_set *dom;
17 isl_basic_set *vertex;
20 /* A chamber in the chamber decomposition. The indices of the "n_vertices"
21 * active vertices are stored in "vertices".
23 struct isl_chamber {
24 int n_vertices;
25 int *vertices;
26 isl_basic_set *dom;
29 struct isl_vertices {
30 int ref;
32 /* The rational basic set spanned by the vertices. */
33 isl_basic_set *bset;
35 int n_vertices;
36 struct isl_vertex *v;
38 int n_chambers;
39 struct isl_chamber *c;
42 struct isl_cell {
43 int n_vertices;
44 int *ids;
45 isl_vertices *vertices;
46 isl_basic_set *dom;
49 struct isl_external_vertex {
50 isl_vertices *vertices;
51 int id;
54 int isl_vertices_foreach_disjoint_cell(__isl_keep isl_vertices *vertices,
55 int (*fn)(__isl_take isl_cell *cell, void *user), void *user);
56 int isl_cell_foreach_simplex(__isl_take isl_cell *cell,
57 int (*fn)(__isl_take isl_cell *simplex, void *user), void *user);
59 __isl_give isl_vertices *isl_morph_vertices(__isl_take struct isl_morph *morph,
60 __isl_take isl_vertices *vertices);
62 #if defined(__cplusplus)
64 #endif