Struct nalgebra::base::default_allocator::DefaultAllocator

pub struct DefaultAllocator;

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

Trait Implementations

impl<N: Scalar, C: Dim> Allocator<N, Dynamic, C> for DefaultAllocator

type Buffer = VecStorage<N, Dynamic, C>

The type of buffer this allocator can instanciate.

unsafe fn allocate_uninitialized(
    nrows: Dynamic,
    ncols: C
) -> MaybeUninit<Self::Buffer>

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

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

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

impl<N, R, C> Allocator<N, R, C> for DefaultAllocator where
    N: Scalar,
    R: DimName,
    C: DimName,
    R::Value: Mul<C::Value>,
    Prod<R::Value, C::Value>: ArrayLength<N>, 

type Buffer = ArrayStorage<N, R, C>

The type of buffer this allocator can instanciate.

unsafe fn allocate_uninitialized(_: R, _: C) -> MaybeUninit<Self::Buffer>

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

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

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

impl<N: Scalar, R: DimName> Allocator<N, R, Dynamic> for DefaultAllocator

type Buffer = VecStorage<N, R, Dynamic>

The type of buffer this allocator can instanciate.

unsafe fn allocate_uninitialized(
    nrows: R,
    ncols: Dynamic
) -> MaybeUninit<Self::Buffer>

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

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

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

impl<N: Scalar, CFrom: Dim, CTo: Dim> Reallocator<N, Dynamic, CFrom, Dynamic, CTo> for DefaultAllocator

unsafe fn reallocate_copy(
    rto: Dynamic,
    cto: CTo,
    buf: VecStorage<N, Dynamic, CFrom>
) -> VecStorage<N, Dynamic, 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<N: Scalar, CFrom: Dim, RTo: DimName> Reallocator<N, Dynamic, CFrom, RTo, Dynamic> for DefaultAllocator

unsafe fn reallocate_copy(
    rto: RTo,
    cto: Dynamic,
    buf: VecStorage<N, Dynamic, CFrom>
) -> VecStorage<N, RTo, Dynamic>

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<N: Scalar, RFrom, CFrom, CTo> Reallocator<N, RFrom, CFrom, Dynamic, CTo> for DefaultAllocator where
    RFrom: DimName,
    CFrom: DimName,
    CTo: Dim,
    RFrom::Value: Mul<CFrom::Value>,
    Prod<RFrom::Value, CFrom::Value>: ArrayLength<N>, 

unsafe fn reallocate_copy(
    rto: Dynamic,
    cto: CTo,
    buf: ArrayStorage<N, RFrom, CFrom>
) -> VecStorage<N, Dynamic, 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<N: Scalar, RFrom, CFrom, RTo, CTo> Reallocator<N, RFrom, CFrom, RTo, CTo> for DefaultAllocator where
    RFrom: Dim,
    CFrom: Dim,
    RTo: DimName,
    CTo: DimName,
    Self: Allocator<N, RFrom, CFrom>,
    RTo::Value: Mul<CTo::Value>,
    Prod<RTo::Value, CTo::Value>: ArrayLength<N>, 

unsafe fn reallocate_copy(
    rto: RTo,
    cto: CTo,
    buf: <Self as Allocator<N, RFrom, CFrom>>::Buffer
) -> ArrayStorage<N, 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<N: Scalar, RFrom, CFrom, RTo> Reallocator<N, RFrom, CFrom, RTo, Dynamic> for DefaultAllocator where
    RFrom: DimName,
    CFrom: DimName,
    RTo: DimName,
    RFrom::Value: Mul<CFrom::Value>,
    Prod<RFrom::Value, CFrom::Value>: ArrayLength<N>, 

unsafe fn reallocate_copy(
    rto: RTo,
    cto: Dynamic,
    buf: ArrayStorage<N, RFrom, CFrom>
) -> VecStorage<N, RTo, Dynamic>

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<N: Scalar, RFrom: DimName, CTo: Dim> Reallocator<N, RFrom, Dynamic, Dynamic, CTo> for DefaultAllocator

unsafe fn reallocate_copy(
    rto: Dynamic,
    cto: CTo,
    buf: VecStorage<N, RFrom, Dynamic>
) -> VecStorage<N, Dynamic, 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<N: Scalar, RFrom: DimName, RTo: DimName> Reallocator<N, RFrom, Dynamic, RTo, Dynamic> for DefaultAllocator

unsafe fn reallocate_copy(
    rto: RTo,
    cto: Dynamic,
    buf: VecStorage<N, RFrom, Dynamic>
) -> VecStorage<N, RTo, Dynamic>

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<N, R1, R2, C1, C2> SameShapeAllocator<N, R1, C1, R2, C2> for DefaultAllocator where
    R1: Dim,
    R2: Dim,
    C1: Dim,
    C2: Dim,
    N: Scalar,
    DefaultAllocator: Allocator<N, R1, C1> + Allocator<N, SameShapeR<R1, R2>, SameShapeC<C1, C2>>,
    ShapeConstraint: SameNumberOfRows<R1, R2> + SameNumberOfColumns<C1, C2>, 

impl<N, R1, R2> SameShapeVectorAllocator<N, R1, R2> for DefaultAllocator where
    R1: Dim,
    R2: Dim,
    N: Scalar,
    DefaultAllocator: Allocator<N, R1, U1> + Allocator<N, SameShapeR<R1, R2>>,
    ShapeConstraint: SameNumberOfRows<R1, R2>,