Function test_ad2_constructor_normalization

tests/jet_tests.rs:83–90

()

#[test]
fn test_ad2_constructor_normalization() {
    // ad2(x, dx, ddx) stores ddx/2 internally; ddx() returns deriv[1]*2 = ddx
    let j = ad2(4.0, 4.0, 2.0);
    assert_close(j.value(), 4.0);
    assert_close(j.dx(), 4.0);
    // Normalized convention: ddx() == raw second derivative == 2.0
    assert_close(j.ddx(), 2.0);
}

#[test]
fn test_ad2_internal_storage() {