show number of ghosts

src/main.c

@@ -196,7 +196,12 @@ int main(int argc, char **argv)
   clock_t time2 = clock();
   printf("Delaunay insertion: %f s\n", (double) (time2-time1) / CLOCKS_PER_SEC);
 
-  printf("%u vertices, %lu tetrahedra, %f s\n", mesh->num_vertices, mesh->tetrahedra.num, (double) (time2-time0)/CLOCKS_PER_SEC);
+  uint64_t numGhosts = 0;
+  for(uint64_t i=0; i<mesh->tetrahedra.num; i++) {
+    if(mesh->tetrahedra.node[4*i + 3]==HXT_GHOST_VERTEX)
+      numGhosts++;
+  }
+  printf("%u vertices, %lu Delaunay tetrahedra, %lu ghosts, %f s\n", mesh->num_vertices, mesh->tetrahedra.num - numGhosts, numGhosts, (double) (time2-time0)/CLOCKS_PER_SEC);
 
   if(argv[2][0]!='-' || argv[2][1])
     HXT_CHECK( gmshTetDraw(mesh, argv[2]) );