Function theta

src/lib.rs:97–117

(a: &mut [T; 25], b: &mut [T; 5])

#[inline(always)]
pub fn theta<T>(a: &mut [T; 25], b: &mut [T; 5])
where
    T: BitXorAssign
        + BitXor<Output = T>
        + Shl<u32, Output = T>
        + Shr<u32, Output = T>
        + BitOr<Output = T>
        + Copy,
{
    b[0] = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20];
    b[1] = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21];
    b[2] = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22];
    b[3] = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23];
    b[4] = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24];

    theta_(a, b, 4, 1, 0);
    theta_(a, b, 0, 2, 1);
    theta_(a, b, 1, 3, 2);
    theta_(a, b, 2, 4, 3);
    theta_(a, b, 3, 0, 4);
}

#[inline(always)]
fn rho_pi<T>(a: &mut [T; 25], b: &mut [T; 5])