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Use mul_extension in scalar_mul_ext since mul_extension now uses a single gate.

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This commit is contained in:
wborgeaud 2021-06-14 13:30:14 +02:00
parent 670e48380a
commit 6132b2ad73
1 changed files with 2 additions and 4 deletions
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6
src/field/extension_field/target.rs
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@ -255,10 +255,8 @@ impl<F: Extendable<D>, const D: usize> CircuitBuilder<F, D> {
/// Returns `a * b`, where `b` is in the extension field and `a` is in the base field.
pub fn scalar_mul_ext(&mut self, a: Target, mut b: ExtensionTarget<D>) -> ExtensionTarget<D> {
for i in 0..D {
b.0[i] = self.mul(a, b.0[i]);
}
b
let a_ext = self.convert_to_ext(a);
self.mul_extension(a_ext, b)
}
/// Returns `a * b`, where `b` is in the extension of the extension field, and `a` is in the