Struct CsrMatrix

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pub struct CsrMatrix {
    pub row_offsets: Vec<usize>,
    pub col_indices: Vec<usize>,
    pub values: Vec<f64>,
    pub n_rows: usize,
    pub n_cols: usize,
}

Expand description

Compressed Sparse Row storage for adjacency matrices.

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§row_offsets: Vec<usize>

Length n_rows + 1. row_offsets[i]..row_offsets[i+1] indexes into col_indices/values.

§col_indices: Vec<usize>§values: Vec<f64>§n_rows: usize§n_cols: usize

Implementations§

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impl CsrMatrix

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pub fn new( row_offsets: Vec<usize>, col_indices: Vec<usize>, values: Vec<f64>, n_rows: usize, n_cols: usize, ) -> Result<Self, String>

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pub fn nnz(&self) -> usize

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pub fn from_dense( dense: &[f64], n_rows: usize, n_cols: usize, threshold: f64, ) -> Self

Convert dense row-major matrix to CSR, keeping entries with |value| > threshold.

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pub fn to_dense(&self) -> Vec<f64>

Expand back to dense row-major layout.

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fn row_sum(&self, i: usize) -> f64

Row-sum (degree) for row i.

Trait Implementations§

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impl Clone for CsrMatrix

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fn clone(&self) -> CsrMatrix

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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impl Debug for CsrMatrix

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for CsrMatrix

Blanket Implementations§

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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, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. 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 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, A> IntoAst<A> for T
where T: Into<A>, A: Ast,

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fn into_ast(self, _a: &A) -> A

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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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