decomposer.h

   1 #ifndef DECOMPOSER_H
   2 #define DECOMPOSER_H
   3
   4 #include <gmp.h>
   5 #include <NTL/mat_ZZ.h>
   6 #include <barvinok/polylib.h>
   7 #include <barvinok/options.h>
   8
   9 using namespace NTL;
  10
  11 struct signed_cone {
  12     signed_cone(const mat_ZZ& rays, int sign, unsigned long det) :
  13                         C(NULL), rays(rays), sign(sign), det(det) {}
  14     signed_cone(Polyhedron *C, const mat_ZZ& rays, int sign,
  15                 unsigned long det = 0) :
  16                         C(C), rays(rays), sign(sign), det(det) {}
  17     Polyhedron *C;
  18     const mat_ZZ& rays;
  19     int sign;
  20     unsigned long det;
  21 };
  22
  23 struct signed_cone_consumer {
  24     virtual void handle(const signed_cone& sc, barvinok_options *options) = 0;
  25     virtual ~signed_cone_consumer() {}
  26 };
  27
  28 struct vertex_decomposer {
  29     Param_Polyhedron *PP;
  30     Param_Vertices *V;  // current vertex
  31     int vert;           // current vertex index
  32     signed_cone_consumer& scc;
  33
  34     vertex_decomposer(Param_Polyhedron *PP, signed_cone_consumer& scc) :
  35                         PP(PP), scc(scc) {}
  36     void decompose_at_vertex(Param_Vertices *V, int _i, barvinok_options *options);
  37 };
  38
  39 void barvinok_decompose(Polyhedron *C, signed_cone_consumer& scc,
  40                         barvinok_options *options);
  41
  42 #endif