def is_nonnegative(self, a):
        return self.domain.is_nonnegative(a.numer.LC)
Computes the distance between 2 documents in topic space.
dataset/ETHPy150Open sympy/sympy/sympy/polys/domains/fractionfield.py/FractionField.is_nonnegative--crossover with--dataset/ETHPy150Open inpho/vsm/vsm/viewer/ldacgsviewer.py/LdaCgsViewer.dist