Hi, when I print facets of a polytope, according to documentation I should get a matrix of numbers, each rows represents one inequality with the numbers being the coeficients in the respective inequality. However, I get this: > $c = cube(3,0); > print $c->FACETS; (4) (1 1) 1 -1 0 0 (4) (2 1) 1 0 -1 ...