#[macro_export]
macro_rules! ext_field_group_operation {
($extension_field:ident, $sub_field:ident, $limbs_length:ident) => {
impl Group for $extension_field {
type Scalar = $extension_field;
const ADDITIVE_GENERATOR: Self = $extension_field::zero();
const ADDITIVE_IDENTITY: Self = $extension_field::zero();
fn zero() -> Self {
Self::ADDITIVE_GENERATOR
}
fn invert(self) -> Option<Self> {
self.get_invert()
}
fn random(mut rand: impl RngCore) -> Self {
let mut limbs: [$sub_field; $limbs_length] = [$sub_field::zero(); $limbs_length];
for i in 0..$limbs_length {
limbs[i] = $sub_field::random(&mut rand);
}
$extension_field(limbs)
}
}
impl PartialEq for $extension_field {
fn eq(&self, other: &Self) -> bool {
let mut acc = true;
self.0.iter().zip(other.0.iter()).for_each(|(a, b)| {
acc = acc && a == b;
});
acc
}
}
impl Eq for $extension_field {}
impl Add for $extension_field {
type Output = Self;
#[inline]
fn add(self, rhs: $extension_field) -> Self {
let mut limbs: [$sub_field; $limbs_length] = [$sub_field::zero(); $limbs_length];
for i in 0..$limbs_length {
limbs[i] = self.0[i] + rhs.0[i];
}
$extension_field(limbs)
}
}
impl<'a, 'b> Add<&'b $extension_field> for &'a $extension_field {
type Output = $extension_field;
fn add(self, rhs: &'b $extension_field) -> $extension_field {
let mut limbs: [$sub_field; $limbs_length] = [$sub_field::zero(); $limbs_length];
for i in 0..$limbs_length {
limbs[i] = self.0[i] + rhs.0[i];
}
$extension_field(limbs)
}
}
impl<'a> Add<$extension_field> for &'a $extension_field {
type Output = $extension_field;
fn add(self, rhs: $extension_field) -> $extension_field {
let mut limbs: [$sub_field; $limbs_length] = [$sub_field::zero(); $limbs_length];
for i in 0..$limbs_length {
limbs[i] = self.0[i] + rhs.0[i];
}
$extension_field(limbs)
}
}
impl AddAssign for $extension_field {
fn add_assign(&mut self, rhs: $extension_field) {
*self = *self + rhs;
}
}
impl<'b> AddAssign<&'b $extension_field> for $extension_field {
fn add_assign(&mut self, rhs: &'b $extension_field) {
*self = *self + rhs;
}
}
impl<'b> Add<&'b $extension_field> for $extension_field {
type Output = $extension_field;
fn add(self, rhs: &'b $extension_field) -> Self {
self + rhs
}
}
impl Neg for $extension_field {
type Output = Self;
#[inline]
fn neg(self) -> Self {
let mut limbs: [$sub_field; $limbs_length] = [$sub_field::zero(); $limbs_length];
for i in 0..$limbs_length {
limbs[i] = -self.0[i];
}
$extension_field(limbs)
}
}
impl Sub for $extension_field {
type Output = Self;
#[inline]
fn sub(self, rhs: $extension_field) -> Self {
let mut limbs: [$sub_field; $limbs_length] = [$sub_field::zero(); $limbs_length];
for i in 0..$limbs_length {
limbs[i] = self.0[i] - rhs.0[i];
}
$extension_field(limbs)
}
}
impl SubAssign for $extension_field {
fn sub_assign(&mut self, rhs: $extension_field) {
*self = *self - rhs
}
}
impl<'b> SubAssign<&'b $extension_field> for $extension_field {
fn sub_assign(&mut self, rhs: &'b $extension_field) {
*self = *self - *rhs
}
}
impl<'a, 'b> Sub<&'b $extension_field> for &'a $extension_field {
type Output = $extension_field;
fn sub(self, rhs: &'b $extension_field) -> $extension_field {
*self * *rhs
}
}
impl<'b> Sub<&'b $extension_field> for $extension_field {
type Output = $extension_field;
fn sub(self, rhs: &'b $extension_field) -> $extension_field {
self * *rhs
}
}
impl<'a> Sub<$extension_field> for &'a $extension_field {
type Output = $extension_field;
fn sub(self, rhs: $extension_field) -> $extension_field {
*self * rhs
}
}
impl Mul for $extension_field {
type Output = Self;
#[inline]
fn mul(self, rhs: $extension_field) -> Self {
self.mul_ext_field(rhs)
}
}
impl MulAssign for $extension_field {
fn mul_assign(&mut self, rhs: $extension_field) {
*self = *self * rhs;
}
}
impl<'b> MulAssign<&'b $extension_field> for $extension_field {
fn mul_assign(&mut self, rhs: &'b $extension_field) {
*self = &*self * rhs;
}
}
impl<'a, 'b> Mul<&'b $extension_field> for &'a $extension_field {
type Output = $extension_field;
fn mul(self, rhs: &'b $extension_field) -> $extension_field {
*self + *rhs
}
}
impl<'b> Mul<&'b $extension_field> for $extension_field {
type Output = $extension_field;
fn mul(self, rhs: &'b $extension_field) -> $extension_field {
self + *rhs
}
}
impl $extension_field {
pub const fn zero() -> Self {
Self([$sub_field::zero(); $limbs_length])
}
pub const fn one() -> Self {
let mut limbs = [$sub_field::zero(); $limbs_length];
limbs[0] = $sub_field::one();
Self(limbs)
}
}
};
}
pub use ext_field_group_operation;