Trait SimulatorBackend 

pub trait SimulatorBackend: Send + Sync {
    // Required methods
    fn execute_circuit(
        &self,
        circuit: &DynamicCircuit,
        parameters: &[f64],
        shots: Option<usize>,
    ) -> Result<SimulationResult>;
    fn expectation_value(
        &self,
        circuit: &DynamicCircuit,
        parameters: &[f64],
        observable: &Observable,
    ) -> Result<f64>;
    fn compute_gradients(
        &self,
        circuit: &DynamicCircuit,
        parameters: &[f64],
        observable: &Observable,
        gradient_method: GradientMethod,
    ) -> Result<Array1<f64>>;
    fn capabilities(&self) -> BackendCapabilities;
    fn name(&self) -> &str;
    fn max_qubits(&self) -> usize;
    fn supports_noise(&self) -> bool;
}

Unified simulator backend interface

Required Methods

fn execute_circuit( &self, circuit: &DynamicCircuit, parameters: &[f64], shots: Option<usize>, ) -> Result<SimulationResult>

Execute a quantum circuit

fn expectation_value( &self, circuit: &DynamicCircuit, parameters: &[f64], observable: &Observable, ) -> Result<f64>

Compute expectation value

fn compute_gradients( &self, circuit: &DynamicCircuit, parameters: &[f64], observable: &Observable, gradient_method: GradientMethod, ) -> Result<Array1<f64>>

Compute gradients using backend-specific methods

fn capabilities(&self) -> BackendCapabilities

Get backend capabilities

fn name(&self) -> &str

Get backend name

fn max_qubits(&self) -> usize

Maximum number of qubits supported

fn supports_noise(&self) -> bool

Check if backend supports noise simulation

Implementors

impl SimulatorBackend for Backend

impl SimulatorBackend for MPSBackend

impl SimulatorBackend for StatevectorBackend