fn add(a: &Self::BaseType, b: &Self::BaseType) -> Self::BaseType {
        [a[0] + b[0], a[1] + b[1], a[2] + b[2], a[3] + b[3]]
    }
Addition of degree four field extension elements
crates/math/src/field/fields/fft_friendly/quartic_babybear_u32.rs