Adding AdditiveGroup and PrimeGroup (#159)

Co-authored-by: Michele Orrù <michele.orru@berkeley.edu>
Co-authored-by: Weikeng Chen <w.k@berkeley.edu>
Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>

mnt4_753/src/curves/g2.rs

@@ -3,7 +3,7 @@ use ark_ec::{
     mnt4::MNT4Config,
     models::{short_weierstrass::SWCurveConfig, CurveConfig},
 };
-use ark_ff::{Field, MontFp};
+use ark_ff::{AdditiveGroup, MontFp};
 
 use crate::{Fq, Fq2, Fr, G1_COEFF_A_NON_RESIDUE};
 

mnt4_753/src/curves/mod.rs

@@ -1,7 +1,7 @@
 use ark_ec::models::mnt4::{MNT4Config, MNT4};
 use ark_ff::{
     biginteger::{BigInt, BigInteger768},
-    Field, Fp2, MontFp,
+    AdditiveGroup, Field, Fp2, MontFp,
 };
 
 use crate::{Fq, Fq2Config, Fq4Config, Fr};

mnt4_753/src/fields/fq4.rs

@@ -1,6 +1,6 @@
 use ark_ff::{
     fields::fp4::{Fp4, Fp4Config},
-    Field, MontFp,
+    AdditiveGroup, Field, MontFp,
 };
 
 use crate::{Fq, Fq2, Fq2Config};