<< obj1 gbext obj2 >> array of objects obj1;The first element of the obj1 should be the key word tag. << gbext >> is used to call auxiliary functions for g-basis computation. [(isReducible) poly1 poly2 ] gbext integer [(lcm) poly1 poly2] gbext poly [(grade) poly1 ] gbext integer [(mod) poly1 universalNumber] gbext poly poly = poly1 mod universalNumber where char=0 and poly and poly2 belong to a same ring. [(tomodp) poly1 ring] gbext poly, char(ring)>0. poly = poly1 mod char(ring) where poly belongs to ring. [(tomod0) poly1 ring] gbext poly, char(ring)=0. [(divByN) poly1 n(universalNumber)] gbext [qpoly rpoly] where poly1 = n*qpoly+rpoly. (see also cancelCoeff) [(isConstant) poly] gbext bool [(lcoeff) poly] gbext poly [(lmonom) poly] gbext poly [(schreyerSkelton) array_of_poly] gbext array [(toes) array_of_poly] gbext poly [(toe_) poly] gbext poly [(toe_) array_of_poly] gbext poly cf. toVectors [(isOrdered) poly] gbext poly