Struct CouplingMap 

pub struct CouplingMap { /* private fields */ }

Coupling map representing the connectivity graph of a quantum device

Implementations

impl CouplingMap

pub fn new(num_qubits: usize) -> Self

Create a new coupling map with the specified number of qubits

pub fn add_edge(&mut self, qubit1: usize, qubit2: usize)

Add a bidirectional edge between two qubits

pub fn are_connected(&self, qubit1: usize, qubit2: usize) -> bool

Check if two qubits are directly connected

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

Get the neighbors of a qubit

pub const fn num_qubits(&self) -> usize

Get the number of qubits

pub fn edges(&self) -> Vec<(usize, usize)>

Get all edges as pairs

pub fn distance(&self, qubit1: usize, qubit2: usize) -> Distance

Compute the distance between two qubits using BFS

pub fn compute_distances(&mut self)

Pre-compute all-pairs shortest distances

pub fn shortest_path(&self, start: usize, end: usize) -> Option<Vec<usize>>

Get the shortest path between two qubits

pub fn is_connected(&self) -> bool

Check if the graph is connected

pub fn diameter(&self) -> Distance

Get the diameter of the graph (maximum distance between any two nodes)

pub fn linear(num_qubits: usize) -> Self

Create common device topologies Linear topology (1D chain)

pub fn ring(num_qubits: usize) -> Self

Ring topology (circular)

pub fn grid(rows: usize, cols: usize) -> Self

Grid topology (2D)

pub fn all_to_all(num_qubits: usize) -> Self

All-to-all topology (complete graph)

pub fn ibm_lagos() -> Self

IBM Lagos device topology

pub fn ibm_nairobi() -> Self

IBM Nairobi device topology

pub fn google_sycamore() -> Self

Google Sycamore-like device topology

pub fn from_edges(num_qubits: usize, edges: &[(usize, usize)]) -> Self

Load coupling map from adjacency list

Trait Implementations

impl Clone for CouplingMap

fn clone(&self) -> CouplingMap

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CouplingMap

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

Formats the value using the given formatter.

impl Default for CouplingMap

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for CouplingMap

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CouplingMap

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.