Method do_approx_equal_abs_test

Lib/test/test_statistics.py:476–481

(self, x, delta)

    # === Absolute error tests ===

    def do_approx_equal_abs_test(self, x, delta):
        template = "Test failure for x={!r}, y={!r}"
        for y in (x + delta, x - delta):
            msg = template.format(x, y)
            self.assertTrue(approx_equal(x, y, tol=2*delta, rel=0), msg)
            self.assertFalse(approx_equal(x, y, tol=delta/2, rel=0), msg)

    def test_approx_equal_absolute_ints(self):
        # Test approximate equality of ints with an absolute error.