extendr_api::prelude::sparse::linalg::qr::supernodal

Struct SymbolicSupernodalQr

pub struct SymbolicSupernodalQr<I>
where
    I: Index,
{
    L: SymbolicSupernodalCholesky<I>,
    H: SymbolicSupernodalHouseholder<I>,
    min_col: Vec<I>,
    min_col_perm: Vec<I>,
    index_to_super: Vec<I>,
    child_head: Vec<I>,
    child_next: Vec<I>,
}
Expand description

Symbolic structure of the QR decomposition,

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§L: SymbolicSupernodalCholesky<I>§H: SymbolicSupernodalHouseholder<I>§min_col: Vec<I>§min_col_perm: Vec<I>§index_to_super: Vec<I>§child_head: Vec<I>§child_next: Vec<I>

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impl<I> SymbolicSupernodalQr<I>
where I: Index,

pub fn r_adjoint(&self) -> &SymbolicSupernodalCholesky<I>

Returns the symbolic structure of $R^H$.

pub fn householder(&self) -> &SymbolicSupernodalHouseholder<I>

Returns the symbolic structure of the Householder and $T$ factors.

pub fn solve_in_place_req<E>( &self, rhs_ncols: usize, parallelism: Parallelism<'_>, ) -> Result<StackReq, SizeOverflow>
where E: Entity,

Computes the size and alignment of the workspace required to solve the linear system $A x = \text{rhs}$ in the sense of least squares.

Trait Implementations§

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impl<I> Debug for SymbolicSupernodalQr<I>
where I: Debug + Index,

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

Formats the value using the given formatter. Read more

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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