File Simulator.hpp¶

class Simulator¶

Subclassed by CircuitSimulator, GroverSimulator, ShorFastSimulator, ShorSimulator

Public Functions

inline explicit Simulator(const std::uint64_t randomSeed, const dd::DDPackageConfig &config = dd::DDPackageConfig())¶

inline explicit Simulator(const dd::DDPackageConfig &config = dd::DDPackageConfig())¶

virtual ~Simulator() = default¶

virtual std::map<std::string, std::size_t> simulate(std::size_t shots) = 0¶

Run the simulation in the (derived) class.

Parameters:: shots – number of shots to take from the final quantum state
Returns:: a map from the strings representing basis states to the number of times they have been measured

inline virtual std::map<std::string, std::string> additionalStatistics()¶

inline std::string measureAll(bool collapse = false)¶

inline virtual std::map<std::string, std::size_t> measureAllNonCollapsing(std::size_t shots)¶

std::map<std::string, std::size_t> sampleFromAmplitudeVectorInPlace(std::vector<std::complex<dd::fp>> &amplitudes, std::size_t shots)¶

inline virtual std::size_t getActiveNodeCount() const¶

inline virtual std::size_t getMatrixActiveNodeCount() const¶

inline virtual std::size_t countNodesFromRoot()¶

inline auto getCurrentDD() const -> const dd::vEdge&¶

std::pair<dd::ComplexValue, std::string> getPathOfLeastResistance() const¶

inline std::string getSeed() const¶

virtual std::size_t getNumberOfQubits() const = 0¶

virtual std::size_t getNumberOfOps() const = 0¶

virtual std::string getName() const = 0¶

inline void setTolerance(const dd::fp tolerance)¶

inline dd::fp getTolerance() const¶

std::vector<std::priority_queue<std::pair<double, dd::vNode*>, std::vector<std::pair<double, dd::vNode*>>>> getNodeContributions(const dd::vEdge &edge) const¶

double approximateByFidelity(std::unique_ptr<dd::Package> &localDD, dd::vEdge &edge, double targetFidelity, bool allLevels, bool actuallyRemoveNodes, bool verbose = false) const¶

inline double approximateByFidelity(double targetFidelity, bool allLevels, bool removeNodes, bool verbose = false)¶

double approximateBySampling(std::unique_ptr<dd::Package> &localDD, dd::vEdge &edge, std::size_t nSamples, std::size_t threshold, bool actuallyRemoveNodes, bool verbose = false)¶

inline double approximateBySampling(std::size_t nSamples, std::size_t threshold, bool removeNodes, bool verbose = false)¶

Public Members

std::unique_ptr<dd::Package> dd¶

dd::vEdge rootEdge = dd::vEdge::one()¶

Public Static Functions

static dd::vEdge removeNodes(std::unique_ptr<dd::Package> &localDD, dd::vEdge edge, std::map<dd::vNode*, dd::vEdge> &dagEdges)¶

Protected Attributes

std::mt19937_64 mt¶

std::uint64_t seed = 0¶

bool hasFixedSeed¶

dd::fp epsilon = 0.001¶