Struct HHLAlgorithm

pub struct HHLAlgorithm { /* private fields */ }

HHL algorithm implementation

Implementations

impl HHLAlgorithm

pub fn new( matrix: Array2<Complex64>, vector_b: Array1<Complex64>, params: HHLParams, ) -> Result<Self, String>

Create a new HHL algorithm instance

pub fn total_qubits(&self) -> usize

Get the total number of qubits required

pub fn prepare_input_state(&self, state: &mut Vec<Complex64>)

Initialize the quantum state with |b⟩

pub fn apply_phase_estimation(&self, state: &mut [Complex64])

Apply quantum phase estimation to find eigenvalues

pub fn apply_eigenvalue_inversion(&self, state: &mut [Complex64])

Apply controlled rotation based on eigenvalues

pub fn apply_inverse_phase_estimation(&self, state: &mut [Complex64])

Apply inverse phase estimation to uncompute eigenvalues

pub fn postselect_ancilla(&self, state: &mut Vec<Complex64>) -> f64

Measure ancilla qubit and post-select on |1⟩

pub fn extract_solution(&self, state: &[Complex64]) -> Array1<Complex64>

Extract solution from the quantum state

pub fn run(&self) -> Result<(Array1<Complex64>, f64), String>

Run the complete HHL algorithm