qparity.hpp

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//
// (C) Daniel Strano and the Qrack contributors 2017-2023. All rights reserved.
//
// This is a multithreaded, universal quantum register simulation, allowing
// (nonphysical) register cloning and direct measurement of probability and
// phase, to leverage what advantages classical emulation of qubits can have.
//
// Licensed under the GNU Lesser General Public License V3.
// See LICENSE.md in the project root or https://www.gnu.org/licenses/lgpl-3.0.en.html
// for details.
 
#pragma once
 
#include "common/qrack_types.hpp"
 
namespace Qrack {
 
class QParity;
typedef std::shared_ptr<QParity> QParityPtr;
 
class QParity {
public:
    virtual bool MParity(bitCapInt mask) { return ForceMParity(mask, false, false); }
 
    virtual void UniformParityRZ(bitCapInt mask, real1_f angle)
    {
        CUniformParityRZ(std::vector<bitLenInt>(), mask, angle);
    }
 
    virtual real1_f ProbParity(bitCapInt mask) = 0;
 
    virtual bool ForceMParity(bitCapInt mask, bool result, bool doForce = true) = 0;
 
    virtual void CUniformParityRZ(const std::vector<bitLenInt>& controls, bitCapInt mask, real1_f angle) = 0;
};
} // namespace Qrack