Macro field_common

macro_rules! field_common {
    (
        $field:ident,
        $modulus:ident,
        $inv:ident,
        $modulus_str:ident,
        $two_inv:ident,
        $root_of_unity_inv:ident,
        $delta:ident,
        $zeta:ident,
        $r:ident,
        $r2:ident,
        $r3:ident
    ) => { ... };
}