Method test_non_finite

numpy/polynomial/tests/test_printing.py:555–562

(self)

                assert str(p).replace('\n', ' ') == s

    def test_non_finite(self):
        p = poly.Polynomial([nan, inf])
        assert str(p) == 'nan + inf x'
        assert p._repr_latex_() == r'$x \mapsto \text{nan} + \text{inf}\,x$'
        with printoptions(nanstr='NAN', infstr='INF'):
            assert str(p) == 'NAN + INF x'
            assert p._repr_latex_() == \
                r'$x \mapsto \text{NAN} + \text{INF}\,x$'