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Fix compute_quotient_eval_within_domain overflow #3256

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Merged
hwwhww merged 1 commit into from
Feb 17, 2023
Merged

Fix compute_quotient_eval_within_domain overflow #3256

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2 changes: 1 addition & 1 deletion specs/deneb/polynomial-commitments.md
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Original file line number Diff line number Diff line change
Expand Up @@ -459,7 +459,7 @@ def compute_quotient_eval_within_domain(z: BLSFieldElement,
f_i = int(BLS_MODULUS) + int(polynomial[i]) - int(y) % BLS_MODULUS
numerator = f_i * int(omega_i) % BLS_MODULUS
denominator = int(z) * (int(BLS_MODULUS) + int(z) - int(omega_i)) % BLS_MODULUS
result += div(BLSFieldElement(numerator), BLSFieldElement(denominator))
result += int(div(BLSFieldElement(numerator), BLSFieldElement(denominator)))

return BLSFieldElement(result % BLS_MODULUS)
```
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