1use ark_ec::models::mnt4::{MNT4Parameters, MNT4};
 2use ark_ff::{biginteger::BigInteger768, field_new, Fp2};
 3
 4use crate::{Fq, Fq2, Fq2Parameters, Fq4Parameters, Fr};
 5
 6pub mod g1;
 7pub mod g2;
 8
 9#[cfg(test)]
10mod tests;
11
12pub use self::{
13    g1::{G1Affine, G1Prepared, G1Projective},
14    g2::{G2Affine, G2Prepared, G2Projective},
15};
16
17pub type MNT4_753 = MNT4<Parameters>;
18
19pub struct Parameters;
20
21impl MNT4Parameters for Parameters {
22    const TWIST: Fp2<Self::Fp2Params> = field_new!(Fq2, FQ_ZERO, FQ_ONE);
23    // A coefficient of MNT4-753 G2 =
24    // ```
25    // mnt4753_twist_coeff_a = mnt4753_Fq2(mnt4753_G1::coeff_a * non_residue, mnt6753_Fq::zero());
26    //  = (A_COEFF * NONRESIDUE, ZERO)
27    //  = (26, ZERO)
28    // ```
29    #[rustfmt::skip]
30    const TWIST_COEFF_A: Fp2<Self::Fp2Params> = field_new!(Fq2,
31        G1_COEFF_A_NON_RESIDUE,
32        FQ_ZERO,
33    );
34    // https://github.com/o1-labs/snarky/blob/9c21ab2bb23874604640740d646a932e813432c3/snarkette/mnt4753.ml
35    const ATE_LOOP_COUNT: &'static [u64] = &[
36        8824542903220142080,
37        7711082599397206192,
38        8303354903384568230,
39        5874150271971943936,
40        9717849827920685054,
41        95829799234282493,
42    ];
43    const ATE_IS_LOOP_COUNT_NEG: bool = true;
44    const FINAL_EXPONENT_LAST_CHUNK_1: BigInteger768 =
45        BigInteger768([0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]);
46    const FINAL_EXPONENT_LAST_CHUNK_W0_IS_NEG: bool = true;
47    const FINAL_EXPONENT_LAST_CHUNK_ABS_OF_W0: BigInteger768 = BigInteger768([
48        8824542903220142079,
49        7711082599397206192,
50        8303354903384568230,
51        5874150271971943936,
52        9717849827920685054,
53        95829799234282493,
54        0,
55        0,
56        0,
57        0,
58        0,
59        0,
60    ]);
61    type Fp = Fq;
62    type Fr = Fr;
63    type Fp2Params = Fq2Parameters;
64    type Fp4Params = Fq4Parameters;
65    type G1Parameters = self::g1::Parameters;
66    type G2Parameters = self::g2::Parameters;
67}
68
69// 26
70pub const G1_COEFF_A_NON_RESIDUE: Fq = field_new!(Fq, "26");
71
72pub const FQ_ZERO: Fq = field_new!(Fq, "0");
73pub const FQ_ONE: Fq = field_new!(Fq, "1");
74pub const FR_ZERO: Fr = field_new!(Fr, "0");
75pub const FR_ONE: Fr = field_new!(Fr, "1");