count_domain.c

   1 #include <assert.h>
   2 #include <dlfcn.h>
   3 #include <barvinok/evalue.h>
   4 #include <barvinok/barvinok.h>
   5
   6 /* gcc -shared  count_domain.c -rdynamic -o libcount.so -ldl -lc */
   7
   8 evalue* barvinok_enumerate_ev(Polyhedron *P, Polyhedron* C, unsigned MaxRays)
   9 {
  10     static evalue *(*orig)(Polyhedron *, Polyhedron *c, unsigned) = NULL;
  11     evalue *res;
  12     int c;
  13
  14     if (!orig) {
  15         void *handle = dlopen("libbarvinok.so", RTLD_LAZY);
  16         assert(handle);
  17         orig = dlsym(handle, "barvinok_enumerate_ev");
  18         assert(orig);
  19         dlclose(handle);
  20     }
  21
  22     res = orig(P, C, MaxRays);
  23
  24     c = value_notzero_p(res->d) ? 0
  25         : res->x.p->type == partition ? res->x.p->size/2 : 1;
  26     fprintf(stderr, "COUNT: %d %d %d %d\n", P->Dimension,
  27             C->Dimension, c, P->Dimension - P->NbEq/*, domain_size(P)*/);
  28
  29     return res;
  30 }