infinite loop on gcd() probably just a long time. Workaround exists



> De : Richard Fateman [mailto:fateman@cs.berkeley.edu]


> if you do gcd:spmod; then the answer
> returns almost instantly that gcd=1. This uses a different gcd
> program that is more efficient on sparse polynomials.
> 

OK. I will try spmod version of gcd.

> also, the fullratsimp is unnecessary, since the gcd() command converts
> its inputs to fully-expanded form.

If its inputs are already factored it expand it also?