q2ns::analysis Namespace Reference

Namespaces
namespace	anonymous_namespace{q2ns-analysis.cc}

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