lattice_width.h

   1 #include <barvinok/polylib.h>
   2
   3 #if defined(__cplusplus)
   4 extern "C" {
   5 #endif
   6
   7 struct barvinok_options;
   8
   9 struct width_direction {
  10     Vector      *width;         /* The lattice width, a vector of length n+2.
  11                                  * width[n] is the constant term
  12                                  * width[n+1] is the denominator
  13                                  */
  14     Vector      *dir;           /* The direction in which width is obtained */
  15     Polyhedron  *domain;        /* Chamber where this width is minimal */
  16 };
  17
  18 struct width_direction_array {
  19     int n;                      /* Number of elements (used) in wd array */
  20     int alloc;                  /* Number of elements allocated in wd array */
  21     struct width_direction *wd;
  22 };
  23
  24 evalue *Polyhedron_Lattice_Width(Polyhedron *P, Polyhedron *C,
  25                                  struct barvinok_options *options);
  26
  27 struct width_direction_array *
  28 Polyhedron_Lattice_Width_Directions(Polyhedron *P, Polyhedron *C,
  29                                     struct barvinok_options *options);
  30 void free_width_direction_array(struct width_direction_array *dirs);
  31
  32 #if defined(__cplusplus)
  33 }
  34 #endif