(f)
return dmp_zero_p(f.rep, f.lev)
Returns ``True`` if ``f`` is a zero polynomial.
Returns ``True`` if ``f`` is a zero polynomial.
Returns True if f is a zero polynomial .
def is_zero(f):
        """Returns ``True`` if ``f`` is a zero polynomial. """
        return dmp_zero_p(f.rep, f.lev)
def is_zero ( f ) : return dmp_zero_p ( f . rep , f . lev )