Struct Graph

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pub struct Graph {
    pub num_nodes: usize,
    pub num_edges: usize,
    pub edges: Vec<(usize, usize)>,
    pub node_features: Tensor,
    pub edge_features: Option<Tensor>,
    /* private fields */
}

Expand description

Graph structure for GNN operations

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§num_nodes: usize

Number of nodes

§num_edges: usize

Number of edges

§edges: Vec<(usize, usize)>

Edge list: (source, target) pairs

§node_features: Tensor

Node features [num_nodes, feature_dim]

§edge_features: Option<Tensor>

Edge features [num_edges, edge_feature_dim] (optional)

Implementations§

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impl Graph

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pub fn new(edges: Vec<(usize, usize)>, node_features: Tensor) -> Self

Create a new graph from edge list and node features

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pub fn with_edge_features(self, edge_features: Tensor) -> Self

Add edge features

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pub fn neighbors(&self, node: usize) -> &[usize]

Get neighbors of a node

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pub fn degree(&self, node: usize) -> usize

Get degree of a node

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pub fn normalized_adjacency(&self) -> Tensor

Compute normalized adjacency matrix (for GCN)

Trait Implementations§

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impl Clone for Graph

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fn clone(&self) -> Graph

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 Graph

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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 Graph

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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