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Make Field::double take &self and return Self

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This commit is contained in:
Jack Grigg
2019-12-12 22:59:18 +00:00
parent 91c32f1c7c
commit 9dac748224
23 changed files with 87 additions and 111 deletions
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26
pairing/src/bls12_381/ec.rs
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@@ -322,11 +322,10 @@ macro_rules! curve_impl {
d.square();
d.sub_assign(&a);
d.sub_assign(&c);
d.double();
d = d.double();
// E = 3*A
let mut e = a;
e.double();
let mut e = a.double();
e.add_assign(&a);
// F = E^2
@@ -335,7 +334,7 @@ macro_rules! curve_impl {
// Z3 = 2*Y1*Z1
self.z.mul_assign(&self.y);
self.z.double();
self.z = self.z.double();
// X3 = F-2*D
self.x = f;
@@ -346,9 +345,7 @@ macro_rules! curve_impl {
self.y = d;
self.y.sub_assign(&self.x);
self.y.mul_assign(&e);
c.double();
c.double();
c.double();
c = c.double().double().double();
self.y.sub_assign(&c);
}
@@ -401,8 +398,7 @@ macro_rules! curve_impl {
h.sub_assign(&u1);
// I = (2*H)^2
let mut i = h;
i.double();
let mut i = h.double();
i.square();
// J = H*I
@@ -412,7 +408,7 @@ macro_rules! curve_impl {
// r = 2*(S2-S1)
let mut r = s2;
r.sub_assign(&s1);
r.double();
r = r.double();
// V = U1*I
let mut v = u1;
@@ -430,7 +426,7 @@ macro_rules! curve_impl {
self.y.sub_assign(&self.x);
self.y.mul_assign(&r);
s1.mul_assign(&j); // S1 = S1 * J * 2
s1.double();
s1 = s1.double();
self.y.sub_assign(&s1);
// Z3 = ((Z1+Z2)^2 - Z1Z1 - Z2Z2)*H
@@ -484,9 +480,7 @@ macro_rules! curve_impl {
hh.square();
// I = 4*HH
let mut i = hh;
i.double();
i.double();
let i = hh.double().double();
// J = H*I
let mut j = h;
@@ -495,7 +489,7 @@ macro_rules! curve_impl {
// r = 2*(S2-Y1)
let mut r = s2;
r.sub_assign(&self.y);
r.double();
r = r.double();
// V = X1*I
let mut v = self.x;
@@ -510,7 +504,7 @@ macro_rules! curve_impl {
// Y3 = r*(V-X3)-2*Y1*J
j.mul_assign(&self.y); // J = 2*Y1*J
j.double();
j = j.double();
self.y = v;
self.y.sub_assign(&self.x);
self.y.mul_assign(&r);