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chore: For compute_kzg_proof_multi remove remainder polynomial when in monomial form #3696

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merged 3 commits into from
Apr 19, 2024
Merged

chore: For compute_kzg_proof_multi remove remainder polynomial when in monomial form #3696

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4d073f1
remove remainder polynomial when in monomial form
kevaundray Apr 18, 2024
c2b7c0b
Merge branch 'dev' into kw/optimize-compute-kzg-proof-multi
kevaundray Apr 19, 2024
33dfa88
fix bad merge
kevaundray Apr 19, 2024
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4 changes: 1 addition & 3 deletions specs/_features/eip7594/polynomial-commitments-sampling.md
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Expand Up @@ -313,14 +313,12 @@ def compute_kzg_proof_multi_impl(

# For all x_i, compute p(x_i) - p(z)
ys = [evaluate_polynomialcoeff(polynomial_coeff, z) for z in zs]
interpolation_polynomial = interpolate_polynomialcoeff(zs, ys)
polynomial_shifted = add_polynomialcoeff(polynomial_coeff, neg_polynomialcoeff(interpolation_polynomial))

# For all x_i, compute (x_i - z)
denominator_poly = vanishing_polynomialcoeff(zs)

# Compute the quotient polynomial directly in evaluation form
quotient_polynomial = divide_polynomialcoeff(polynomial_shifted, denominator_poly)
quotient_polynomial = divide_polynomialcoeff(polynomial_coeff, denominator_poly)

return KZGProof(g1_lincomb(KZG_SETUP_G1_MONOMIAL[:len(quotient_polynomial)], quotient_polynomial)), ys
```
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