def dmp_subresultants(f, g, u, K):
 return dmp_inner_subresultants(f, g, u, K)[0]

def dmp_subresultants ( f , g , u , K ) : return dmp_inner_subresultants ( f , g , u , K ) [ 0 ]
computes subresultant prs of two polynomials in k[x] .