forked from M-Labs/nalgebra
63 lines
1.3 KiB
Rust
63 lines
1.3 KiB
Rust
use simba::simd::SimdValue;
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use crate::base::allocator::Allocator;
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use crate::base::dimension::Dim;
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use crate::base::{DefaultAllocator, MatrixMN, Scalar};
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/*
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*
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* Simd structures.
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*
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*/
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impl<N, R, C> SimdValue for MatrixMN<N, R, C>
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where
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N: Scalar + SimdValue,
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R: Dim,
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C: Dim,
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N::Element: Scalar,
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DefaultAllocator: Allocator<N, R, C> + Allocator<N::Element, R, C>,
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{
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type Element = MatrixMN<N::Element, R, C>;
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type SimdBool = N::SimdBool;
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#[inline]
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fn lanes() -> usize {
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N::lanes()
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}
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#[inline]
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fn splat(val: Self::Element) -> Self {
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val.map(N::splat)
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}
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#[inline]
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fn extract(&self, i: usize) -> Self::Element {
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self.map(|e| e.extract(i))
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}
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#[inline]
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unsafe fn extract_unchecked(&self, i: usize) -> Self::Element {
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self.map(|e| e.extract_unchecked(i))
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}
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#[inline]
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fn replace(&mut self, i: usize, val: Self::Element) {
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self.zip_apply(&val, |mut a, b| {
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a.replace(i, b);
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a
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})
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}
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#[inline]
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unsafe fn replace_unchecked(&mut self, i: usize, val: Self::Element) {
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self.zip_apply(&val, |mut a, b| {
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a.replace_unchecked(i, b);
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a
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})
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}
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fn select(self, cond: Self::SimdBool, other: Self) -> Self {
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self.zip_map(&other, |a, b| a.select(cond, b))
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}
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}
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