phyton

Question

What would happen if we call gcd(m,n) with m positive and n negative in the following definition?

def gcd(m,n):

if m < n:
(m,n) = (n,m)

if (m % n) == 0:
return(n)
else:
diff = m-n
return (gcd(max(n,diff),min(n,diff)))