q2ns-analysis.h File Reference

Backend-agnostic analysis for q2ns quantum states. More...

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Namespaces
namespace	q2ns
namespace	q2ns::analysis

Functions
double	q2ns::analysis::Fidelity (const QState &a, const QState &b)
	Compute fidelity between two QState objects of the same backend type.
double	q2ns::analysis::Purity (const QState &s)
	Compute the purity of a quantum state.
bool	q2ns::analysis::IsPure (const QState &s, double tol=1e-12)
	Check whether a quantum state is pure within a numerical tolerance.
double	q2ns::analysis::VonNeumannEntropy (const QState &s)
	Compute the von Neumann entropy of a quantum state in bits.
double	q2ns::analysis::TraceDistance (const QState &a, const QState &b)
	Compute the trace distance between two QState objects of the same backend type.

Detailed Description

Backend-agnostic analysis for q2ns quantum states.

Definition in file q2ns-analysis.h.