extendr_api::prelude::sparse::linalg::cholesky::simplicial

Struct SymbolicSimplicialCholesky

pub struct SymbolicSimplicialCholesky<I>
where
    I: Index,
{
    dimension: usize,
    col_ptrs: Vec<I>,
    row_indices: Vec<I>,
    etree: Vec<I>,
}
Expand description

Cholesky factor structure containing its symbolic structure.

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§dimension: usize§col_ptrs: Vec<I>§row_indices: Vec<I>§etree: Vec<I>

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

pub fn nrows(&self) -> usize

Returns the number of rows of the Cholesky factor.

pub fn ncols(&self) -> usize

Returns the number of columns of the Cholesky factor.

pub fn len_values(&self) -> usize

Returns the length of the slice that can be used to contain the numerical values of the Cholesky factor.

pub fn col_ptrs(&self) -> &[I]

Returns the column pointers of the Cholesky factor.

pub fn row_indices(&self) -> &[I]

Returns the row indices of the Cholesky factor.

pub fn factor(&self) -> SymbolicSparseColMatRef<'_, I>

Returns the Cholesky factor’s symbolic structure.

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

Returns the size and alignment of the workspace required to solve the system A×x = rhs.

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impl<I> Debug for SymbolicSimplicialCholesky<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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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
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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> 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, 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.