LIB "polybori.lib";
ring r=0,(x,y,z),Dp;
pyobject rb=boolean_poly_ring(r);
poly f=x^2+2*y^3+3*z^3;
bpoly pp=f;
direct_from_boolean_poly(pp);
poly g=0;
bpoly pp=g;
direct_from_boolean_poly(pp);