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Bring back curve algorithms for a = 0 #82

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merged 2 commits into from
Sep 4, 2023
Merged

Bring back curve algorithms for a = 0 #82

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da2a22a
refactor: bring back curve algorithms for `a = 0`
han0110 Aug 10, 2023
938c151
fix: clippy warning
han0110 Aug 29, 2023
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16 changes: 8 additions & 8 deletions benches/group.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,28 +18,28 @@ fn criterion_benchmark<G: CurveExt>(c: &mut Criterion) {
let v = vec![G::generator(); N];
let mut q = vec![G::AffineExt::identity(); N];

c.bench_function(&format!("{} check on curve", name), move |b| {
c.bench_function(&format!("{name} check on curve"), move |b| {
b.iter(|| black_box(p1).is_on_curve())
});
c.bench_function(&format!("{} check equality", name), move |b| {
c.bench_function(&format!("{name} check equality"), move |b| {
b.iter(|| black_box(p1) == black_box(p1))
});
c.bench_function(&format!("{} to affine", name), move |b| {
c.bench_function(&format!("{name} to affine"), move |b| {
b.iter(|| G::AffineExt::from(black_box(p1)))
});
c.bench_function(&format!("{} doubling", name), move |b| {
c.bench_function(&format!("{name} doubling"), move |b| {
b.iter(|| black_box(p1).double())
});
c.bench_function(&format!("{} addition", name), move |b| {
c.bench_function(&format!("{name} addition"), move |b| {
b.iter(|| black_box(p1).add(&p2))
});
c.bench_function(&format!("{} mixed addition", name), move |b| {
c.bench_function(&format!("{name} mixed addition"), move |b| {
b.iter(|| black_box(p2).add(&p1_affine))
});
c.bench_function(&format!("{} scalar multiplication", name), move |b| {
c.bench_function(&format!("{name} scalar multiplication"), move |b| {
b.iter(|| black_box(p1) * black_box(s))
});
c.bench_function(&format!("{} batch to affine n={}", name, N), move |b| {
c.bench_function(&format!("{name} batch to affine n={N}"), move |b| {
b.iter(|| {
G::batch_normalize(black_box(&v), black_box(&mut q));
black_box(&q)[0]
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2 changes: 1 addition & 1 deletion benches/hash_to_curve.rs
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Expand Up @@ -40,7 +40,7 @@ fn hash_to_curve<G: CurveExt>(c: &mut Criterion, name: &'static str) {
.flatten()
.collect::<Vec<_>>();

c.bench_function(&format!("Hash to {}", name), move |b| {
c.bench_function(&format!("Hash to {name}"), move |b| {
b.iter(|| hasher(black_box(&message)))
});
}
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2 changes: 1 addition & 1 deletion src/bn256/fq2.rs
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Expand Up @@ -135,7 +135,7 @@ impl Legendre for Fq2 {
static ref LEGENDRE_EXP: Vec<u64> =
(num_bigint::BigUint::from_bytes_le((-<Fq as ff::Field>::ONE).to_repr().as_ref())/2usize).to_u64_digits();
}
&*LEGENDRE_EXP
&LEGENDRE_EXP
}

/// Norm of Fq2 as extension field in i over Fq
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