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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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24
ff/ff_derive/src/lib.rs
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@@ -833,6 +833,21 @@ fn prime_field_impl(
}
}
impl ::std::ops::Neg for #name {
type Output = #name;
#[inline]
fn neg(self) -> #name {
let mut ret = self;
if !ret.is_zero() {
let mut tmp = MODULUS;
tmp.sub_noborrow(&ret.0);
ret.0 = tmp;
}
ret
}
}
impl<'r> ::std::ops::Add<&'r #name> for #name {
type Output = #name;
@@ -1033,15 +1048,6 @@ fn prime_field_impl(
self.reduce();
}
#[inline]
fn negate(&mut self) {
if !self.is_zero() {
let mut tmp = MODULUS;
tmp.sub_noborrow(&self.0);
self.0 = tmp;
}
}
fn inverse(&self) -> Option<Self> {
if self.is_zero() {
None