Struct VariationalCircuit

pub struct VariationalCircuit {
    pub gates: Vec<VariationalGate>,
    pub param_map: FxHashMap<String, Vec<usize>>,
    pub num_qubits: usize,
}

Variational quantum circuit with multiple parameterized gates

Fields

gates: Vec<VariationalGate>

List of gates in the circuit

param_map: FxHashMap<String, Vec<usize>>

Parameter name to gate indices mapping

num_qubits: usize

Number of qubits

Implementations

impl VariationalCircuit

pub fn new(num_qubits: usize) -> Self

Create a new variational circuit

pub fn add_gate(&mut self, gate: VariationalGate)

Add a variational gate to the circuit

pub fn parameter_names(&self) -> Vec<String>

Get all parameter names

pub fn get_parameters(&self) -> FxHashMap<String, f64>

Get current parameter values

pub fn set_parameters( &mut self, params: &FxHashMap<String, f64>, ) -> QuantRS2Result<()>

Set parameter values

pub fn compute_gradients( &self, loss_fn: impl Fn(&[VariationalGate]) -> f64, ) -> QuantRS2Result<FxHashMap<String, f64>>

Compute gradients for all parameters

Trait Implementations

impl Clone for VariationalCircuit

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VariationalCircuit

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

Formats the value using the given formatter.