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Move from Field::negate to Neg operator

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This commit is contained in:
Jack Grigg
2019-12-12 22:52:17 +00:00
parent 4a3350bc31
commit 91c32f1c7c
26 changed files with 175 additions and 189 deletions
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10
zcash_primitives/src/jubjub/montgomery.rs
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@@ -1,5 +1,5 @@
use ff::{BitIterator, Field, PrimeField, PrimeFieldRepr, SqrtField};
use std::ops::{AddAssign, MulAssign, SubAssign};
use std::ops::{AddAssign, MulAssign, Neg, SubAssign};
use super::{edwards, JubjubEngine, JubjubParams, PrimeOrder, Unknown};
@@ -62,7 +62,7 @@ impl<E: JubjubEngine> Point<E, Unknown> {
match rhs.sqrt() {
Some(mut y) => {
if y.into_repr().is_odd() != sign {
y.negate();
y = y.neg();
}
Some(Point {
@@ -190,7 +190,7 @@ impl<E: JubjubEngine, Subgroup> Point<E, Subgroup> {
pub fn negate(&self) -> Self {
let mut p = self.clone();
p.y.negate();
p.y = p.y.neg();
p
}
@@ -242,7 +242,7 @@ impl<E: JubjubEngine, Subgroup> Point<E, Subgroup> {
y3.sub_assign(&self.x);
y3.mul_assign(&delta);
y3.add_assign(&self.y);
y3.negate();
y3 = y3.neg();
Point {
x: x3,
@@ -292,7 +292,7 @@ impl<E: JubjubEngine, Subgroup> Point<E, Subgroup> {
y3.sub_assign(&self.x);
y3.mul_assign(&delta);
y3.add_assign(&self.y);
y3.negate();
y3 = y3.neg();
Point {
x: x3,