crypto_bigint/int/
bit_not.rs

1//! [`Int`] bitwise NOT operations.
2
3use core::ops::Not;
4
5use crate::{Uint, Wrapping};
6
7use super::Int;
8
9impl<const LIMBS: usize> Int<LIMBS> {
10    /// Computes bitwise `!a`.
11    #[inline(always)]
12    pub const fn not(&self) -> Self {
13        Self(Uint::not(&self.0))
14    }
15}
16
17impl<const LIMBS: usize> Not for Int<LIMBS> {
18    type Output = Self;
19
20    fn not(self) -> Self {
21        Self::not(&self)
22    }
23}
24
25impl<const LIMBS: usize> Not for Wrapping<Int<LIMBS>> {
26    type Output = Self;
27
28    fn not(self) -> <Self as Not>::Output {
29        Wrapping(self.0.not())
30    }
31}
32
33#[cfg(test)]
34mod tests {
35    use crate::I128;
36
37    #[test]
38    fn bitnot_ok() {
39        assert_eq!(I128::ZERO.not(), I128::MINUS_ONE);
40        assert_eq!(I128::MAX.not(), I128::MIN);
41    }
42}
crypto_bigint/int/bit_not.rs

crypto_bigint/int/
bit_not.rs
