lattice_point.h

   1 #ifndef LATTICE_POINT_H
   2 #define LATTICE_POINT_H
   3
   4 #include <barvinok/evalue.h>
   5
   6 #if defined(__cplusplus)
   7 extern "C" {
   8 #endif
   9
  10 evalue *fractional_part(Value *coef, Value denom, int nvar, Polyhedron *PD);
  11 evalue *ceiling(Value *coef, Value denom, int nvar, Polyhedron *PD);
  12 Matrix *relative_coordinates(Param_Vertices *V, Matrix *basis);
  13
  14 #if defined(__cplusplus)
  15 }
  16 #endif
  17
  18 #if defined(__cplusplus)
  19
  20 #include <NTL/vec_ZZ.h>
  21 #include <NTL/mat_ZZ.h>
  22
  23 using namespace NTL;
  24
  25 struct barvinok_options;
  26
  27 evalue *multi_monom(vec_ZZ& p);
  28 int normal_mod(Value *coef, int len, Value *m);
  29 void lattice_point_fixed(Value *vertex, Value *vertex_res,
  30                          Matrix *Rays, Matrix *Rays_res,
  31                          Value *point);
  32 void lattice_points_fixed(Value *vertex, Value *vertex_res,
  33                           Matrix *Rays, Matrix *Rays_res, Matrix *points,
  34                           unsigned long det);
  35 void lattice_point(Param_Vertices *V, const mat_ZZ& rays, vec_ZZ& num,
  36                    evalue **E_vertex, barvinok_options *options);
  37
  38 /* This structure encodes the power of the term in a rational generating function.
  39  *
  40  * Either E == NULL or constant = 0
  41  * If E != NULL, then the power is          E
  42  * If E == NULL, then the power is          constant
  43  */
  44 struct term_info {
  45     evalue        **E;
  46     vec_ZZ          constant;
  47 };
  48
  49 void lattice_point(Param_Vertices* V, const mat_ZZ& rays, vec_ZZ& lambda,
  50     term_info* term, unsigned long det,
  51     barvinok_options *options);
  52
  53 #endif
  54
  55 #endif