test_function_base.py 文件源码

def test_bias(self):
        # bias raises DeprecationWarning
        with catch_warn_nfb():
            warnings.simplefilter("always")
            assert_warns(DeprecationWarning, corrcoef, self.A, self.B, 1, 0)
            assert_warns(DeprecationWarning, corrcoef, self.A, bias=0)
            warnings.simplefilter("ignore")
            # bias has no or negligible effect on the function
            assert_almost_equal(corrcoef(self.A, bias=1), self.res1)