Struct nalgebra::base::default_allocator::DefaultAllocator

pub struct DefaultAllocator;

An allocator based on ArrayStorage and VecStorage for statically-sized and dynamically-sized matrices respectively.

Trait Implementations

impl<T: Scalar, const R: usize, const C: usize> Allocator<T, Const<R>, Const<C>> for DefaultAllocator

type Buffer = ArrayStorage<T, R, C>

The type of buffer this allocator can instanciate.

type BufferUninit = ArrayStorage<MaybeUninit<T>, R, C>

The type of buffer with uninitialized components this allocator can instanciate.

fn allocate_uninit(
    _: Const<R>,
    _: Const<C>
) -> ArrayStorage<MaybeUninit<T>, R, C>

Allocates a buffer with the given number of rows and columns without initializing its content.

unsafe fn assume_init(
    uninit: ArrayStorage<MaybeUninit<T>, R, C>
) -> ArrayStorage<T, R, C>

Assumes a data buffer to be initialized.

fn allocate_from_iterator<I: IntoIterator<Item = T>>(
    nrows: Const<R>,
    ncols: Const<C>,
    iter: I
) -> Self::Buffer

Allocates a buffer initialized with the content of the given iterator.

fn allocate_from_row_iterator<I: IntoIterator<Item = T>>(
    nrows: R,
    ncols: C,
    iter: I
) -> Self::Buffer

Allocates a buffer initialized with the content of the given row-major order iterator.

impl<T: Scalar, C: Dim> Allocator<T, Dyn, C> for DefaultAllocator

type Buffer = VecStorage<T, Dyn, C>

The type of buffer this allocator can instanciate.

type BufferUninit = VecStorage<MaybeUninit<T>, Dyn, C>

The type of buffer with uninitialized components this allocator can instanciate.

fn allocate_uninit(nrows: Dyn, ncols: C) -> VecStorage<MaybeUninit<T>, Dyn, C>

Allocates a buffer with the given number of rows and columns without initializing its content.

unsafe fn assume_init(
    uninit: VecStorage<MaybeUninit<T>, Dyn, C>
) -> VecStorage<T, Dyn, C>

Assumes a data buffer to be initialized.

fn allocate_from_iterator<I: IntoIterator<Item = T>>(
    nrows: Dyn,
    ncols: C,
    iter: I
) -> Self::Buffer

Allocates a buffer initialized with the content of the given iterator.

fn allocate_from_row_iterator<I: IntoIterator<Item = T>>(
    nrows: R,
    ncols: C,
    iter: I
) -> Self::Buffer

Allocates a buffer initialized with the content of the given row-major order iterator.

impl<T: Scalar, R: DimName> Allocator<T, R, Dyn> for DefaultAllocator

type Buffer = VecStorage<T, R, Dyn>

The type of buffer this allocator can instanciate.

type BufferUninit = VecStorage<MaybeUninit<T>, R, Dyn>

The type of buffer with uninitialized components this allocator can instanciate.

fn allocate_uninit(nrows: R, ncols: Dyn) -> VecStorage<MaybeUninit<T>, R, Dyn>

Allocates a buffer with the given number of rows and columns without initializing its content.

unsafe fn assume_init(
    uninit: VecStorage<MaybeUninit<T>, R, Dyn>
) -> VecStorage<T, R, Dyn>

Assumes a data buffer to be initialized.

fn allocate_from_iterator<I: IntoIterator<Item = T>>(
    nrows: R,
    ncols: Dyn,
    iter: I
) -> Self::Buffer

Allocates a buffer initialized with the content of the given iterator.

fn allocate_from_row_iterator<I: IntoIterator<Item = T>>(
    nrows: R,
    ncols: C,
    iter: I
) -> Self::Buffer

Allocates a buffer initialized with the content of the given row-major order iterator.

impl Clone for DefaultAllocator

fn clone(&self) -> DefaultAllocator

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DefaultAllocator

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: Scalar, CTo, const RFROM: usize, const CFROM: usize> Reallocator<T, Const<RFROM>, Const<CFROM>, Dyn, CTo> for DefaultAllocatorwhere
    CTo: Dim,

unsafe fn reallocate_copy(
    rto: Dyn,
    cto: CTo,
    buf: ArrayStorage<T, RFROM, CFROM>
) -> VecStorage<MaybeUninit<T>, Dyn, CTo>

Reallocates a buffer of shape (RTo, CTo), possibly reusing a previously allocated buffer buf. Data stored by buf are linearly copied to the output:

impl<T: Scalar, RTo, const RFROM: usize, const CFROM: usize> Reallocator<T, Const<RFROM>, Const<CFROM>, RTo, Dyn> for DefaultAllocatorwhere
    RTo: DimName,

unsafe fn reallocate_copy(
    rto: RTo,
    cto: Dyn,
    buf: ArrayStorage<T, RFROM, CFROM>
) -> VecStorage<MaybeUninit<T>, RTo, Dyn>

Reallocates a buffer of shape (RTo, CTo), possibly reusing a previously allocated buffer buf. Data stored by buf are linearly copied to the output:

impl<T: Scalar, CFrom: Dim, CTo: Dim> Reallocator<T, Dyn, CFrom, Dyn, CTo> for DefaultAllocator

unsafe fn reallocate_copy(
    rto: Dyn,
    cto: CTo,
    buf: VecStorage<T, Dyn, CFrom>
) -> VecStorage<MaybeUninit<T>, Dyn, CTo>

Reallocates a buffer of shape (RTo, CTo), possibly reusing a previously allocated buffer buf. Data stored by buf are linearly copied to the output:

impl<T: Scalar, CFrom: Dim, RTo: DimName> Reallocator<T, Dyn, CFrom, RTo, Dyn> for DefaultAllocator

unsafe fn reallocate_copy(
    rto: RTo,
    cto: Dyn,
    buf: VecStorage<T, Dyn, CFrom>
) -> VecStorage<MaybeUninit<T>, RTo, Dyn>

Reallocates a buffer of shape (RTo, CTo), possibly reusing a previously allocated buffer buf. Data stored by buf are linearly copied to the output:

impl<T: Scalar, RFrom, CFrom, const RTO: usize, const CTO: usize> Reallocator<T, RFrom, CFrom, Const<RTO>, Const<CTO>> for DefaultAllocatorwhere
    RFrom: Dim,
    CFrom: Dim,
    Self: Allocator<T, RFrom, CFrom>,

unsafe fn reallocate_copy(
    rto: Const<RTO>,
    cto: Const<CTO>,
    buf: <Self as Allocator<T, RFrom, CFrom>>::Buffer
) -> ArrayStorage<MaybeUninit<T>, RTO, CTO>

Reallocates a buffer of shape (RTo, CTo), possibly reusing a previously allocated buffer buf. Data stored by buf are linearly copied to the output:

impl<T: Scalar, RFrom: DimName, CTo: Dim> Reallocator<T, RFrom, Dyn, Dyn, CTo> for DefaultAllocator

unsafe fn reallocate_copy(
    rto: Dyn,
    cto: CTo,
    buf: VecStorage<T, RFrom, Dyn>
) -> VecStorage<MaybeUninit<T>, Dyn, CTo>

Reallocates a buffer of shape (RTo, CTo), possibly reusing a previously allocated buffer buf. Data stored by buf are linearly copied to the output:

impl<T: Scalar, RFrom: DimName, RTo: DimName> Reallocator<T, RFrom, Dyn, RTo, Dyn> for DefaultAllocator

unsafe fn reallocate_copy(
    rto: RTo,
    cto: Dyn,
    buf: VecStorage<T, RFrom, Dyn>
) -> VecStorage<MaybeUninit<T>, RTo, Dyn>

Reallocates a buffer of shape (RTo, CTo), possibly reusing a previously allocated buffer buf. Data stored by buf are linearly copied to the output:

impl Copy for DefaultAllocator

impl<T, R1, R2, C1, C2> SameShapeAllocator<T, R1, C1, R2, C2> for DefaultAllocatorwhere
    R1: Dim,
    R2: Dim,
    C1: Dim,
    C2: Dim,
    DefaultAllocator: Allocator<T, R1, C1> + Allocator<T, SameShapeR<R1, R2>, SameShapeC<C1, C2>>,
    ShapeConstraint: SameNumberOfRows<R1, R2> + SameNumberOfColumns<C1, C2>,

impl<T, R1, R2> SameShapeVectorAllocator<T, R1, R2> for DefaultAllocatorwhere
    R1: Dim,
    R2: Dim,
    DefaultAllocator: Allocator<T, R1, U1> + Allocator<T, SameShapeR<R1, R2>>,
    ShapeConstraint: SameNumberOfRows<R1, R2>,