Method test_var_values

numpy/core/tests/test_multiarray.py:6279–6286

(self)

            assert_equal(np.mean(a, where=False), np.nan)

    def test_var_values(self):
        for mat in [self.rmat, self.cmat, self.omat]:
            for axis in [0, 1, None]:
                msqr = _mean(mat * mat.conj(), axis=axis)
                mean = _mean(mat, axis=axis)
                tgt = msqr - mean * mean.conjugate()
                res = _var(mat, axis=axis)
                assert_almost_equal(res, tgt)

    @pytest.mark.parametrize(('complex_dtype', 'ndec'), (
        ('complex64', 6),