def idd_copycols(A, k, idx):
 A = np.asfortranarray(A)
 return _id.idd_copycols(A, k, idx)

def idd_copycols ( A , k , idx ) : A = np . asfortranarray ( A ) return _id . idd_copycols ( A , k , idx )
reconstruct skeleton matrix from real id .