crypto_bigint/limb/
neg.rs

1//! Limb negation
2
3use crate::{Limb, NegMod, NonZero, WrappingNeg};
4
5impl Limb {
6    /// Perform wrapping negation.
7    #[inline(always)]
8    #[must_use]
9    pub const fn wrapping_neg(self) -> Self {
10        Limb(self.0.wrapping_neg())
11    }
12}
13
14impl WrappingNeg for Limb {
15    #[inline]
16    fn wrapping_neg(&self) -> Self {
17        Self(self.0.wrapping_neg())
18    }
19}
20
21impl NegMod for Limb {
22    type Output = Self;
23
24    fn neg_mod(&self, p: &NonZero<Self>) -> Self::Output {
25        let nz = self.is_nonzero();
26        let res = p.borrowing_sub(*self, Limb::ZERO).0;
27        Self::select(Limb::ZERO, res, nz)
28    }
29}

crypto_bigint/limb/neg.rs

crypto_bigint/limb/
neg.rs