Struct Expander

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pub struct Expander {
    pub id: u64,
    pub vertices: HashSet<VertexId>,
    pub internal_edges: Vec<(VertexId, VertexId)>,
    pub boundary_edges: Vec<(VertexId, VertexId)>,
    pub volume: usize,
    pub expansion_ratio: f64,
    pub precluster_id: Option<u64>,
}

Expand description

An expander at level 0

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§id: u64

Unique expander ID

§vertices: HashSet<VertexId>

Vertices in this expander

§internal_edges: Vec<(VertexId, VertexId)>

Internal edges (both endpoints in expander)

§boundary_edges: Vec<(VertexId, VertexId)>

Boundary edges (one endpoint outside)

§volume: usize

Volume (sum of degrees)

§expansion_ratio: f64

Verified expansion ratio

§precluster_id: Option<u64>

Parent precluster ID

Implementations§

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impl Expander

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pub fn new(id: u64, vertices: HashSet<VertexId>) -> Self

Create new expander

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pub fn size(&self) -> usize

Get size (number of vertices)

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pub fn contains(&self, v: VertexId) -> bool

Check if vertex is in this expander

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pub fn boundary_sparsity(&self) -> f64

Compute boundary sparsity

Trait Implementations§

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impl Clone for Expander

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fn clone(&self) -> Expander

Returns a duplicate 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 Debug for Expander

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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 Expander

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> 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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