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batch inversion

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This commit is contained in:
Charles Chen
2022-12-16 09:29:28 -05:00
parent 648ea51ff4
commit 81073dfee1
2 changed files with 6 additions and 4 deletions
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4
hyperplonk/src/mock.rs
View File

@@ -238,8 +238,8 @@ mod test {
MultilinearKzgPCS::<Bls12_381>::gen_srs_for_testing(&mut rng, SUPPORTED_SIZE)?;
let nv = MAX_NUM_VARS;
let vanilla_gate = CustomizedGates::vanilla_plonk_gate();
test_mock_circuit_zkp_helper(nv, &vanilla_gate, &pcs_srs)?;
let turboplonk_gate = CustomizedGates::jellyfish_turbo_plonk_gate();
test_mock_circuit_zkp_helper(nv, &turboplonk_gate, &pcs_srs)?;
Ok(())
}

6
subroutines/src/poly_iop/prod_check/util.rs
View File

@@ -2,7 +2,7 @@
use crate::poly_iop::{errors::PolyIOPErrors, structs::IOPProof, zero_check::ZeroCheck, PolyIOP};
use arithmetic::{get_index, VirtualPolynomial};
use ark_ff::PrimeField;
use ark_ff::{batch_inversion, PrimeField};
use ark_poly::DenseMultilinearExtension;
use ark_std::{end_timer, start_timer};
use std::sync::Arc;
@@ -31,13 +31,15 @@ pub(super) fn compute_frac_poly<F: PrimeField>(
*g_eval *= gi;
}
}
batch_inversion(&mut g_evals[..]);
for (f_eval, g_eval) in f_evals.iter_mut().zip(g_evals.iter()) {
if *g_eval == F::zero() {
return Err(PolyIOPErrors::InvalidParameters(
"gxs has zero entries in the boolean hypercube".to_string(),
));
}
*f_eval /= g_eval;
*f_eval *= g_eval;
}
end_timer!(start);