Struct extendr_api::prelude::sparse::linalg::lu::SymbolicLu

pub struct SymbolicLu<I> {
    raw: SymbolicLuRaw<I>,
    col_perm_fwd: Vec<I>,
    col_perm_inv: Vec<I>,
    A_nnz: usize,
}
Expand description

The symbolic structure of a sparse LU decomposition.

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§raw: SymbolicLuRaw<I>§col_perm_fwd: Vec<I>§col_perm_inv: Vec<I>§A_nnz: usize

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

pub fn nrows(&self) -> usize

Returns the number of rows of $A$.

pub fn ncols(&self) -> usize

Returns the number of columns of $A$.

pub fn col_perm(&self) -> PermRef<'_, I>

Returns the fill-reducing column permutation that was computed during symbolic analysis.

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

Computes the size and alignment of the workspace required to compute the numerical LU factorization.

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 equation $A x = b$.

pub fn solve_transpose_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 equation $A^\top x = b$.

pub fn factorize_numeric_lu<'out, E>( &'out self, numeric: &'out mut NumericLu<I, E>, A: SparseColMatRef<'_, I, E>, parallelism: Parallelism<'_>, stack: PodStack<'_>, ) -> Result<LuRef<'out, I, E>, LuError>
where E: ComplexField,

Computes a numerical LU factorization of A.

Trait Implementations§

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impl<I> Clone for SymbolicLu<I>
where I: Clone,

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fn clone(&self) -> SymbolicLu<I>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<I> Debug for SymbolicLu<I>
where I: Debug,

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<I> Freeze for SymbolicLu<I>

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impl<I> RefUnwindSafe for SymbolicLu<I>
where I: RefUnwindSafe,

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impl<I> Send for SymbolicLu<I>
where I: Send,

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impl<I> Sync for SymbolicLu<I>
where I: Sync,

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impl<I> Unpin for SymbolicLu<I>
where I: Unpin,

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impl<I> UnwindSafe for SymbolicLu<I>
where I: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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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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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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 = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.