def denom(self, a):
"""Get the denominator of ``a``."""
ZZ = self.dom.get_ring()
QQ = self.dom
ZZ_I = self.get_ring()
denom_ZZ = ZZ.lcm(QQ.denom(a.x), QQ.denom(a.y))
return ZZ_I(denom_ZZ, ZZ.zero)
def denom(self, a):
"""Get the denominator of ``a``."""
ZZ = self.dom.get_ring()
QQ = self.dom
ZZ_I = self.get_ring()
denom_ZZ = ZZ.lcm(QQ.denom(a.x), QQ.denom(a.y))
return ZZ_I(denom_ZZ, ZZ.zero)
