wavepacketkinematics.cpp

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/**
 * @file wavepacketkinematics.cpp
 * @brief Implements the wavepacketkinematics physics/numerical component used by QPE experiments.
 * @ingroup qpe_quantum
 *
 * Source: @c core/quantum/wavepacketkinematics.cpp. This file is part of Quantum Phenomena Explorer (QPE),
 * maintained by Officina Turini. See LICENSE_IT.txt / LICENSE.txt for the
 * QPE freeware source-available terms and THIRD_PARTY_NOTICES.txt for
 * third-party components.
 */
 
#include "wavepacketkinematics.h"
 
#include <cmath>
 
namespace qpe {
 
double WavePacketKinematics::kineticEnergy(double momentumX,
                                           double momentumY,
                                           double mass) noexcept
{
    if (!(mass > 0.0) || !std::isfinite(mass) ||
        !std::isfinite(momentumX) || !std::isfinite(momentumY)) {
        return 0.0;
    }
 
    return (momentumX * momentumX + momentumY * momentumY) / (2.0 * mass);
}
 
double WavePacketKinematics::kineticEnergyX(double momentumX,
                                            double mass) noexcept
{
    if (!(mass > 0.0) || !std::isfinite(mass) || !std::isfinite(momentumX)) {
        return 0.0;
    }
 
    return (momentumX * momentumX) / (2.0 * mass);
}
 
} // namespace qpe