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Merge pull request #1027 from dimforge/slice-into-array 

Re-add the conversion from a vector/matrix slice to a static array
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Sébastien Crozet 2021-11-21 21:56:23 +01:00 committed by GitHub
parent 0225914b37 f715883f9f
commit 803ce0a69f
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1 changed files with 39 additions and 3 deletions
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42
src/base/conversion.rs
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@ -23,7 +23,7 @@ use crate::base::{
use crate::base::{DVector, RowDVector, VecStorage}; use crate::base::{DVector, RowDVector, VecStorage};
use crate::base::{SliceStorage, SliceStorageMut}; use crate::base::{SliceStorage, SliceStorageMut};
use crate::constraint::DimEq; use crate::constraint::DimEq;
use crate::{IsNotStaticOne, RowSVector, SMatrix, SVector}; use crate::{IsNotStaticOne, RowSVector, SMatrix, SVector, VectorSlice, VectorSliceMut};
use std::mem::MaybeUninit; use std::mem::MaybeUninit;
// TODO: too bad this won't work for slice conversions. // TODO: too bad this won't work for slice conversions.
@ -125,6 +125,24 @@ impl<T: Scalar, const D: usize> From<SVector<T, D>> for [T; D] {
} }
} }
impl<'a, T: Scalar, RStride: Dim, CStride: Dim, const D: usize>
From<VectorSlice<'a, T, Const<D>, RStride, CStride>> for [T; D]
{
#[inline]
fn from(vec: VectorSlice<'a, T, Const<D>, RStride, CStride>) -> Self {
vec.into_owned().into()
}
}
impl<'a, T: Scalar, RStride: Dim, CStride: Dim, const D: usize>
From<VectorSliceMut<'a, T, Const<D>, RStride, CStride>> for [T; D]
{
#[inline]
fn from(vec: VectorSliceMut<'a, T, Const<D>, RStride, CStride>) -> Self {
vec.into_owned().into()
}
}
impl<T: Scalar, const D: usize> From<[T; D]> for RowSVector<T, D> impl<T: Scalar, const D: usize> From<[T; D]> for RowSVector<T, D>
where where
Const<D>: IsNotStaticOne, Const<D>: IsNotStaticOne,
@ -197,8 +215,26 @@ impl<T: Scalar, const R: usize, const C: usize> From<[[T; R]; C]> for SMatrix<T,
impl<T: Scalar, const R: usize, const C: usize> From<SMatrix<T, R, C>> for [[T; R]; C] { impl<T: Scalar, const R: usize, const C: usize> From<SMatrix<T, R, C>> for [[T; R]; C] {
#[inline] #[inline]
fn from(vec: SMatrix<T, R, C>) -> Self { fn from(mat: SMatrix<T, R, C>) -> Self {
vec.data.0 mat.data.0
}
}
impl<'a, T: Scalar, RStride: Dim, CStride: Dim, const R: usize, const C: usize>
From<MatrixSlice<'a, T, Const<R>, Const<C>, RStride, CStride>> for [[T; R]; C]
{
#[inline]
fn from(mat: MatrixSlice<'a, T, Const<R>, Const<C>, RStride, CStride>) -> Self {
mat.into_owned().into()
}
}
impl<'a, T: Scalar, RStride: Dim, CStride: Dim, const R: usize, const C: usize>
From<MatrixSliceMut<'a, T, Const<R>, Const<C>, RStride, CStride>> for [[T; R]; C]
{
#[inline]
fn from(mat: MatrixSliceMut<'a, T, Const<R>, Const<C>, RStride, CStride>) -> Self {
mat.into_owned().into()
} }
} }