546 lines
17 KiB
Rust
546 lines
17 KiB
Rust
#[cfg(all(feature = "alloc", not(feature = "std")))]
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use alloc::vec::Vec;
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use simba::scalar::{SubsetOf, SupersetOf};
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use std::convert::{AsMut, AsRef, From, Into};
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use std::mem;
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use simba::simd::{PrimitiveSimdValue, SimdValue};
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use crate::base::allocator::{Allocator, SameShapeAllocator};
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use crate::base::constraint::{SameNumberOfColumns, SameNumberOfRows, ShapeConstraint};
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#[cfg(any(feature = "std", feature = "alloc"))]
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use crate::base::dimension::Dynamic;
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use crate::base::dimension::{
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Const, Dim, DimName, U1, U10, U11, U12, U13, U14, U15, U16, U2, U3, U4, U5, U6, U7, U8, U9,
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};
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use crate::base::iter::{MatrixIter, MatrixIterMut};
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use crate::base::storage::{ContiguousStorage, ContiguousStorageMut, Storage, StorageMut};
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use crate::base::{
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ArrayStorage, DVectorSlice, DVectorSliceMut, DefaultAllocator, Matrix, MatrixSlice,
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MatrixSliceMut, OMatrix, Scalar,
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};
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#[cfg(any(feature = "std", feature = "alloc"))]
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use crate::base::{DVector, VecStorage};
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use crate::base::{SliceStorage, SliceStorageMut};
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use crate::constraint::DimEq;
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use crate::{SMatrix, SVector};
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// TODO: too bad this won't work allo slice conversions.
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impl<T1, T2, R1, C1, R2, C2> SubsetOf<OMatrix<T2, R2, C2>> for OMatrix<T1, R1, C1>
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where
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R1: Dim,
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C1: Dim,
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R2: Dim,
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C2: Dim,
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T1: Scalar,
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T2: Scalar + SupersetOf<T1>,
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DefaultAllocator:
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Allocator<T2, R2, C2> + Allocator<T1, R1, C1> + SameShapeAllocator<T1, R1, C1, R2, C2>,
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ShapeConstraint: SameNumberOfRows<R1, R2> + SameNumberOfColumns<C1, C2>,
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{
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#[inline]
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fn to_superset(&self) -> OMatrix<T2, R2, C2> {
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let (nrows, ncols) = self.shape();
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let nrows2 = R2::from_usize(nrows);
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let ncols2 = C2::from_usize(ncols);
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let mut res: OMatrix<T2, R2, C2> =
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unsafe { crate::unimplemented_or_uninitialized_generic!(nrows2, ncols2) };
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for i in 0..nrows {
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for j in 0..ncols {
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unsafe {
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*res.get_unchecked_mut((i, j)) = T2::from_subset(self.get_unchecked((i, j)))
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}
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}
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}
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res
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}
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#[inline]
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fn is_in_subset(m: &OMatrix<T2, R2, C2>) -> bool {
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m.iter().all(|e| e.is_in_subset())
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}
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#[inline]
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fn from_superset_unchecked(m: &OMatrix<T2, R2, C2>) -> Self {
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let (nrows2, ncols2) = m.shape();
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let nrows = R1::from_usize(nrows2);
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let ncols = C1::from_usize(ncols2);
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let mut res: Self = unsafe { crate::unimplemented_or_uninitialized_generic!(nrows, ncols) };
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for i in 0..nrows2 {
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for j in 0..ncols2 {
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unsafe {
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*res.get_unchecked_mut((i, j)) = m.get_unchecked((i, j)).to_subset_unchecked()
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}
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}
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}
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res
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}
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}
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impl<'a, T: Scalar, R: Dim, C: Dim, S: Storage<T, R, C>> IntoIterator for &'a Matrix<T, R, C, S> {
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type Item = &'a T;
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type IntoIter = MatrixIter<'a, T, R, C, S>;
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#[inline]
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fn into_iter(self) -> Self::IntoIter {
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self.iter()
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}
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}
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impl<'a, T: Scalar, R: Dim, C: Dim, S: StorageMut<T, R, C>> IntoIterator
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for &'a mut Matrix<T, R, C, S>
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{
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type Item = &'a mut T;
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type IntoIter = MatrixIterMut<'a, T, R, C, S>;
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#[inline]
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fn into_iter(self) -> Self::IntoIter {
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self.iter_mut()
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}
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}
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impl<T: Scalar, const D: usize> From<[T; D]> for SVector<T, D> {
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#[inline]
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fn from(arr: [T; D]) -> Self {
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unsafe { Self::from_data_statically_unchecked(ArrayStorage([arr; 1])) }
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}
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}
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impl<T: Scalar, const D: usize> Into<[T; D]> for SVector<T, D> {
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#[inline]
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fn into(self) -> [T; D] {
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// TODO: unfortunately, we must clone because we can move out of an array.
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self.data.0[0].clone()
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}
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}
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macro_rules! impl_from_into_asref_1D(
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($(($NRows: ident, $NCols: ident) => $SZ: expr);* $(;)*) => {$(
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impl<T, S> AsRef<[T; $SZ]> for Matrix<T, $NRows, $NCols, S>
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where T: Scalar,
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S: ContiguousStorage<T, $NRows, $NCols> {
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#[inline]
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fn as_ref(&self) -> &[T; $SZ] {
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unsafe {
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mem::transmute(self.data.ptr())
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}
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}
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}
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impl<T, S> AsMut<[T; $SZ]> for Matrix<T, $NRows, $NCols, S>
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where T: Scalar,
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S: ContiguousStorageMut<T, $NRows, $NCols> {
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#[inline]
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fn as_mut(&mut self) -> &mut [T; $SZ] {
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unsafe {
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mem::transmute(self.data.ptr_mut())
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}
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}
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}
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)*}
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);
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// Implement for vectors of dimension 1 .. 16.
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impl_from_into_asref_1D!(
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// Row vectors.
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(U1, U1 ) => 1; (U1, U2 ) => 2; (U1, U3 ) => 3; (U1, U4 ) => 4;
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(U1, U5 ) => 5; (U1, U6 ) => 6; (U1, U7 ) => 7; (U1, U8 ) => 8;
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(U1, U9 ) => 9; (U1, U10) => 10; (U1, U11) => 11; (U1, U12) => 12;
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(U1, U13) => 13; (U1, U14) => 14; (U1, U15) => 15; (U1, U16) => 16;
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// Column vectors.
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(U2 , U1) => 2; (U3 , U1) => 3; (U4 , U1) => 4;
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(U5 , U1) => 5; (U6 , U1) => 6; (U7 , U1) => 7; (U8 , U1) => 8;
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(U9 , U1) => 9; (U10, U1) => 10; (U11, U1) => 11; (U12, U1) => 12;
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(U13, U1) => 13; (U14, U1) => 14; (U15, U1) => 15; (U16, U1) => 16;
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);
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impl<T: Scalar, const R: usize, const C: usize> From<[[T; R]; C]> for SMatrix<T, R, C> {
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#[inline]
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fn from(arr: [[T; R]; C]) -> Self {
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unsafe { Self::from_data_statically_unchecked(ArrayStorage(arr)) }
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}
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}
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impl<T: Scalar, const R: usize, const C: usize> Into<[[T; R]; C]> for SMatrix<T, R, C> {
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#[inline]
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fn into(self) -> [[T; R]; C] {
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self.data.0
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}
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}
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macro_rules! impl_from_into_asref_2D(
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($(($NRows: ty, $NCols: ty) => ($SZRows: expr, $SZCols: expr));* $(;)*) => {$(
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impl<T: Scalar, S> AsRef<[[T; $SZRows]; $SZCols]> for Matrix<T, $NRows, $NCols, S>
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where S: ContiguousStorage<T, $NRows, $NCols> {
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#[inline]
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fn as_ref(&self) -> &[[T; $SZRows]; $SZCols] {
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unsafe {
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mem::transmute(self.data.ptr())
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}
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}
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}
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impl<T: Scalar, S> AsMut<[[T; $SZRows]; $SZCols]> for Matrix<T, $NRows, $NCols, S>
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where S: ContiguousStorageMut<T, $NRows, $NCols> {
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#[inline]
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fn as_mut(&mut self) -> &mut [[T; $SZRows]; $SZCols] {
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unsafe {
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mem::transmute(self.data.ptr_mut())
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}
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}
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}
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)*}
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);
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// Implement for matrices with shape 2x2 .. 6x6.
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impl_from_into_asref_2D!(
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(U2, U2) => (2, 2); (U2, U3) => (2, 3); (U2, U4) => (2, 4); (U2, U5) => (2, 5); (U2, U6) => (2, 6);
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(U3, U2) => (3, 2); (U3, U3) => (3, 3); (U3, U4) => (3, 4); (U3, U5) => (3, 5); (U3, U6) => (3, 6);
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(U4, U2) => (4, 2); (U4, U3) => (4, 3); (U4, U4) => (4, 4); (U4, U5) => (4, 5); (U4, U6) => (4, 6);
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(U5, U2) => (5, 2); (U5, U3) => (5, 3); (U5, U4) => (5, 4); (U5, U5) => (5, 5); (U5, U6) => (5, 6);
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(U6, U2) => (6, 2); (U6, U3) => (6, 3); (U6, U4) => (6, 4); (U6, U5) => (6, 5); (U6, U6) => (6, 6);
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);
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impl<'a, T, RStride, CStride, const R: usize, const C: usize>
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From<MatrixSlice<'a, T, Const<R>, Const<C>, RStride, CStride>>
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for Matrix<T, Const<R>, Const<C>, ArrayStorage<T, R, C>>
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where
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T: Scalar,
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RStride: Dim,
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CStride: Dim,
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{
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fn from(matrix_slice: MatrixSlice<'a, T, Const<R>, Const<C>, RStride, CStride>) -> Self {
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matrix_slice.into_owned()
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}
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}
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#[cfg(any(feature = "std", feature = "alloc"))]
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impl<'a, T, C, RStride, CStride> From<MatrixSlice<'a, T, Dynamic, C, RStride, CStride>>
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for Matrix<T, Dynamic, C, VecStorage<T, Dynamic, C>>
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where
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T: Scalar,
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C: Dim,
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RStride: Dim,
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CStride: Dim,
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{
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fn from(matrix_slice: MatrixSlice<'a, T, Dynamic, C, RStride, CStride>) -> Self {
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matrix_slice.into_owned()
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}
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}
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#[cfg(any(feature = "std", feature = "alloc"))]
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impl<'a, T, R, RStride, CStride> From<MatrixSlice<'a, T, R, Dynamic, RStride, CStride>>
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for Matrix<T, R, Dynamic, VecStorage<T, R, Dynamic>>
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where
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T: Scalar,
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R: DimName,
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RStride: Dim,
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CStride: Dim,
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{
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fn from(matrix_slice: MatrixSlice<'a, T, R, Dynamic, RStride, CStride>) -> Self {
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matrix_slice.into_owned()
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}
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}
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impl<'a, T, RStride, CStride, const R: usize, const C: usize>
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From<MatrixSliceMut<'a, T, Const<R>, Const<C>, RStride, CStride>>
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for Matrix<T, Const<R>, Const<C>, ArrayStorage<T, R, C>>
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where
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T: Scalar,
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RStride: Dim,
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CStride: Dim,
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{
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fn from(matrix_slice: MatrixSliceMut<'a, T, Const<R>, Const<C>, RStride, CStride>) -> Self {
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matrix_slice.into_owned()
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}
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}
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#[cfg(any(feature = "std", feature = "alloc"))]
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impl<'a, T, C, RStride, CStride> From<MatrixSliceMut<'a, T, Dynamic, C, RStride, CStride>>
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for Matrix<T, Dynamic, C, VecStorage<T, Dynamic, C>>
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where
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T: Scalar,
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C: Dim,
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RStride: Dim,
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CStride: Dim,
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{
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fn from(matrix_slice: MatrixSliceMut<'a, T, Dynamic, C, RStride, CStride>) -> Self {
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matrix_slice.into_owned()
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}
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}
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#[cfg(any(feature = "std", feature = "alloc"))]
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impl<'a, T, R, RStride, CStride> From<MatrixSliceMut<'a, T, R, Dynamic, RStride, CStride>>
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for Matrix<T, R, Dynamic, VecStorage<T, R, Dynamic>>
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where
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T: Scalar,
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R: DimName,
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RStride: Dim,
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CStride: Dim,
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{
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fn from(matrix_slice: MatrixSliceMut<'a, T, R, Dynamic, RStride, CStride>) -> Self {
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matrix_slice.into_owned()
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}
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}
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impl<'a, T, R, C, RSlice, CSlice, RStride, CStride, S> From<&'a Matrix<T, R, C, S>>
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for MatrixSlice<'a, T, RSlice, CSlice, RStride, CStride>
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where
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T: Scalar,
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R: Dim,
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C: Dim,
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RSlice: Dim,
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CSlice: Dim,
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RStride: Dim,
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CStride: Dim,
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S: Storage<T, R, C>,
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ShapeConstraint: DimEq<R, RSlice>
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+ DimEq<C, CSlice>
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+ DimEq<RStride, S::RStride>
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+ DimEq<CStride, S::CStride>,
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{
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fn from(m: &'a Matrix<T, R, C, S>) -> Self {
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let (row, col) = m.data.shape();
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let row_slice = RSlice::from_usize(row.value());
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let col_slice = CSlice::from_usize(col.value());
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let (rstride, cstride) = m.strides();
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let rstride_slice = RStride::from_usize(rstride);
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let cstride_slice = CStride::from_usize(cstride);
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unsafe {
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let data = SliceStorage::from_raw_parts(
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m.data.ptr(),
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(row_slice, col_slice),
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(rstride_slice, cstride_slice),
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);
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Matrix::from_data_statically_unchecked(data)
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}
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}
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}
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impl<'a, T, R, C, RSlice, CSlice, RStride, CStride, S> From<&'a mut Matrix<T, R, C, S>>
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for MatrixSlice<'a, T, RSlice, CSlice, RStride, CStride>
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where
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T: Scalar,
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R: Dim,
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C: Dim,
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RSlice: Dim,
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CSlice: Dim,
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RStride: Dim,
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CStride: Dim,
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S: Storage<T, R, C>,
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ShapeConstraint: DimEq<R, RSlice>
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+ DimEq<C, CSlice>
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+ DimEq<RStride, S::RStride>
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+ DimEq<CStride, S::CStride>,
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{
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fn from(m: &'a mut Matrix<T, R, C, S>) -> Self {
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let (row, col) = m.data.shape();
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let row_slice = RSlice::from_usize(row.value());
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let col_slice = CSlice::from_usize(col.value());
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let (rstride, cstride) = m.strides();
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let rstride_slice = RStride::from_usize(rstride);
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let cstride_slice = CStride::from_usize(cstride);
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unsafe {
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let data = SliceStorage::from_raw_parts(
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m.data.ptr(),
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(row_slice, col_slice),
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(rstride_slice, cstride_slice),
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);
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Matrix::from_data_statically_unchecked(data)
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}
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}
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}
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impl<'a, T, R, C, RSlice, CSlice, RStride, CStride, S> From<&'a mut Matrix<T, R, C, S>>
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for MatrixSliceMut<'a, T, RSlice, CSlice, RStride, CStride>
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where
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T: Scalar,
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R: Dim,
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C: Dim,
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RSlice: Dim,
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CSlice: Dim,
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RStride: Dim,
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CStride: Dim,
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S: StorageMut<T, R, C>,
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ShapeConstraint: DimEq<R, RSlice>
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+ DimEq<C, CSlice>
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+ DimEq<RStride, S::RStride>
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+ DimEq<CStride, S::CStride>,
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{
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fn from(m: &'a mut Matrix<T, R, C, S>) -> Self {
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let (row, col) = m.data.shape();
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let row_slice = RSlice::from_usize(row.value());
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let col_slice = CSlice::from_usize(col.value());
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let (rstride, cstride) = m.strides();
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let rstride_slice = RStride::from_usize(rstride);
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let cstride_slice = CStride::from_usize(cstride);
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unsafe {
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let data = SliceStorageMut::from_raw_parts(
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m.data.ptr_mut(),
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(row_slice, col_slice),
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(rstride_slice, cstride_slice),
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);
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Matrix::from_data_statically_unchecked(data)
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}
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}
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}
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#[cfg(any(feature = "std", feature = "alloc"))]
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impl<'a, T: Scalar> From<Vec<T>> for DVector<T> {
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#[inline]
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fn from(vec: Vec<T>) -> Self {
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Self::from_vec(vec)
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}
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}
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impl<'a, T: Scalar + Copy, R: Dim, C: Dim, S: ContiguousStorage<T, R, C>> Into<&'a [T]>
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for &'a Matrix<T, R, C, S>
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{
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#[inline]
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fn into(self) -> &'a [T] {
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self.as_slice()
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}
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}
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impl<'a, T: Scalar + Copy, R: Dim, C: Dim, S: ContiguousStorageMut<T, R, C>> Into<&'a mut [T]>
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for &'a mut Matrix<T, R, C, S>
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{
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#[inline]
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fn into(self) -> &'a mut [T] {
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self.as_mut_slice()
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}
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}
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impl<'a, T: Scalar + Copy> From<&'a [T]> for DVectorSlice<'a, T> {
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#[inline]
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fn from(slice: &'a [T]) -> Self {
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Self::from_slice(slice, slice.len())
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}
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}
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impl<'a, T: Scalar + Copy> From<&'a mut [T]> for DVectorSliceMut<'a, T> {
|
||
#[inline]
|
||
fn from(slice: &'a mut [T]) -> Self {
|
||
Self::from_slice(slice, slice.len())
|
||
}
|
||
}
|
||
|
||
impl<T: Scalar + PrimitiveSimdValue, R: Dim, C: Dim> From<[OMatrix<T::Element, R, C>; 2]>
|
||
for OMatrix<T, R, C>
|
||
where
|
||
T: From<[<T as SimdValue>::Element; 2]>,
|
||
T::Element: Scalar + SimdValue,
|
||
DefaultAllocator: Allocator<T, R, C> + Allocator<T::Element, R, C>,
|
||
{
|
||
#[inline]
|
||
fn from(arr: [OMatrix<T::Element, R, C>; 2]) -> Self {
|
||
let (nrows, ncols) = arr[0].data.shape();
|
||
|
||
Self::from_fn_generic(nrows, ncols, |i, j| {
|
||
[
|
||
arr[0][(i, j)].inlined_clone(),
|
||
arr[1][(i, j)].inlined_clone(),
|
||
]
|
||
.into()
|
||
})
|
||
}
|
||
}
|
||
|
||
impl<T: Scalar + PrimitiveSimdValue, R: Dim, C: Dim> From<[OMatrix<T::Element, R, C>; 4]>
|
||
for OMatrix<T, R, C>
|
||
where
|
||
T: From<[<T as SimdValue>::Element; 4]>,
|
||
T::Element: Scalar + SimdValue,
|
||
DefaultAllocator: Allocator<T, R, C> + Allocator<T::Element, R, C>,
|
||
{
|
||
#[inline]
|
||
fn from(arr: [OMatrix<T::Element, R, C>; 4]) -> Self {
|
||
let (nrows, ncols) = arr[0].data.shape();
|
||
|
||
Self::from_fn_generic(nrows, ncols, |i, j| {
|
||
[
|
||
arr[0][(i, j)].inlined_clone(),
|
||
arr[1][(i, j)].inlined_clone(),
|
||
arr[2][(i, j)].inlined_clone(),
|
||
arr[3][(i, j)].inlined_clone(),
|
||
]
|
||
.into()
|
||
})
|
||
}
|
||
}
|
||
|
||
impl<T: Scalar + PrimitiveSimdValue, R: Dim, C: Dim> From<[OMatrix<T::Element, R, C>; 8]>
|
||
for OMatrix<T, R, C>
|
||
where
|
||
T: From<[<T as SimdValue>::Element; 8]>,
|
||
T::Element: Scalar + SimdValue,
|
||
DefaultAllocator: Allocator<T, R, C> + Allocator<T::Element, R, C>,
|
||
{
|
||
#[inline]
|
||
fn from(arr: [OMatrix<T::Element, R, C>; 8]) -> Self {
|
||
let (nrows, ncols) = arr[0].data.shape();
|
||
|
||
Self::from_fn_generic(nrows, ncols, |i, j| {
|
||
[
|
||
arr[0][(i, j)].inlined_clone(),
|
||
arr[1][(i, j)].inlined_clone(),
|
||
arr[2][(i, j)].inlined_clone(),
|
||
arr[3][(i, j)].inlined_clone(),
|
||
arr[4][(i, j)].inlined_clone(),
|
||
arr[5][(i, j)].inlined_clone(),
|
||
arr[6][(i, j)].inlined_clone(),
|
||
arr[7][(i, j)].inlined_clone(),
|
||
]
|
||
.into()
|
||
})
|
||
}
|
||
}
|
||
|
||
impl<T: Scalar + PrimitiveSimdValue, R: Dim, C: Dim> From<[OMatrix<T::Element, R, C>; 16]>
|
||
for OMatrix<T, R, C>
|
||
where
|
||
T: From<[<T as SimdValue>::Element; 16]>,
|
||
T::Element: Scalar + SimdValue,
|
||
DefaultAllocator: Allocator<T, R, C> + Allocator<T::Element, R, C>,
|
||
{
|
||
fn from(arr: [OMatrix<T::Element, R, C>; 16]) -> Self {
|
||
let (nrows, ncols) = arr[0].data.shape();
|
||
|
||
Self::from_fn_generic(nrows, ncols, |i, j| {
|
||
[
|
||
arr[0][(i, j)].inlined_clone(),
|
||
arr[1][(i, j)].inlined_clone(),
|
||
arr[2][(i, j)].inlined_clone(),
|
||
arr[3][(i, j)].inlined_clone(),
|
||
arr[4][(i, j)].inlined_clone(),
|
||
arr[5][(i, j)].inlined_clone(),
|
||
arr[6][(i, j)].inlined_clone(),
|
||
arr[7][(i, j)].inlined_clone(),
|
||
arr[8][(i, j)].inlined_clone(),
|
||
arr[9][(i, j)].inlined_clone(),
|
||
arr[10][(i, j)].inlined_clone(),
|
||
arr[11][(i, j)].inlined_clone(),
|
||
arr[12][(i, j)].inlined_clone(),
|
||
arr[13][(i, j)].inlined_clone(),
|
||
arr[14][(i, j)].inlined_clone(),
|
||
arr[15][(i, j)].inlined_clone(),
|
||
]
|
||
.into()
|
||
})
|
||
}
|
||
}
|