lav 0.8.4

Lane-Associated Vector (LAV): Portable SIMD vector trait as GAT of SIMD lane trait.
Documentation 
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// Copyright © 2021-2026 Rouven Spreckels <rs@qu1x.dev>
//
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of
// the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.

use super::{Select, SimdBits};
use core::simd::{
    Mask, Select as _, Simd,
    cmp::{SimdPartialEq, SimdPartialOrd},
    num::SimdUint,
};

impl<const N: usize> SimdBits<u64, N> for Simd<u64, N> {
    type Mask = Mask<i64, N>;

    #[inline]
    fn splat(value: u64) -> Self {
        Self::splat(value)
    }

    #[inline]
    fn as_simd(slice: &[u64]) -> (&[u64], &[Self], &[u64]) {
        slice.as_simd()
    }

    #[inline]
    fn as_simd_mut(slice: &mut [u64]) -> (&mut [u64], &mut [Self], &mut [u64]) {
        slice.as_simd_mut()
    }

    #[inline]
    fn simd_eq(self, other: Self) -> Self::Mask {
        SimdPartialEq::simd_eq(self, other)
    }
    #[inline]
    fn simd_ne(self, other: Self) -> Self::Mask {
        SimdPartialEq::simd_ne(self, other)
    }
    #[inline]
    fn simd_lt(self, other: Self) -> Self::Mask {
        SimdPartialOrd::simd_lt(self, other)
    }
    #[inline]
    fn simd_gt(self, other: Self) -> Self::Mask {
        SimdPartialOrd::simd_gt(self, other)
    }
    #[inline]
    fn simd_le(self, other: Self) -> Self::Mask {
        SimdPartialOrd::simd_le(self, other)
    }
    #[inline]
    fn simd_ge(self, other: Self) -> Self::Mask {
        SimdPartialOrd::simd_ge(self, other)
    }

    #[inline]
    fn saturating_add(self, other: Self) -> Self {
        SimdUint::saturating_add(self, other)
    }
    #[inline]
    fn saturating_sub(self, other: Self) -> Self {
        SimdUint::saturating_sub(self, other)
    }
}

impl<const N: usize> Select<Mask<i64, N>> for Simd<u64, N> {
    #[inline]
    fn select(mask: Mask<i64, N>, true_values: Self, false_values: Self) -> Self {
        mask.select(true_values, false_values)
    }
}