core_simd/ops/
unary.rs

1use crate::simd::{Simd, SimdElement};
2use core::ops::{Neg, Not}; // unary ops
3
4macro_rules! neg {
5    ($(impl<const N: usize> Neg for Simd<$scalar:ty, N>)*) => {
6        $(impl<const N: usize> Neg for Simd<$scalar, N>
7        where
8            $scalar: SimdElement,
9        {
10            type Output = Self;
11
12            #[inline]
13            fn neg(self) -> Self::Output {
14                // Safety: `self` is a signed vector
15                unsafe { core::intrinsics::simd::simd_neg(self) }
16            }
17        })*
18    }
19}
20
21neg! {
22    impl<const N: usize> Neg for Simd<f32, N>
23
24    impl<const N: usize> Neg for Simd<f64, N>
25
26    impl<const N: usize> Neg for Simd<i8, N>
27
28    impl<const N: usize> Neg for Simd<i16, N>
29
30    impl<const N: usize> Neg for Simd<i32, N>
31
32    impl<const N: usize> Neg for Simd<i64, N>
33
34    impl<const N: usize> Neg for Simd<isize, N>
35}
36
37macro_rules! not {
38    ($(impl<const N: usize> Not for Simd<$scalar:ty, N>)*) => {
39        $(impl<const N: usize> Not for Simd<$scalar, N>
40        where
41            $scalar: SimdElement,
42        {
43            type Output = Self;
44
45            #[inline]
46            fn not(self) -> Self::Output {
47                self ^ (Simd::splat(!(0 as $scalar)))
48            }
49        })*
50    }
51}
52
53not! {
54    impl<const N: usize> Not for Simd<i8, N>
55
56    impl<const N: usize> Not for Simd<i16, N>
57
58    impl<const N: usize> Not for Simd<i32, N>
59
60    impl<const N: usize> Not for Simd<i64, N>
61
62    impl<const N: usize> Not for Simd<isize, N>
63
64    impl<const N: usize> Not for Simd<u8, N>
65
66    impl<const N: usize> Not for Simd<u16, N>
67
68    impl<const N: usize> Not for Simd<u32, N>
69
70    impl<const N: usize> Not for Simd<u64, N>
71
72    impl<const N: usize> Not for Simd<usize, N>
73}
core_simd/ops/unary.rs

core_simd/ops/
unary.rs
