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/* Copyright 2019-2020 Yinjian Zhao
*
* This file is part of WarpX.
*
* License: BSD-3-Clause-LBNL
*/
#ifndef WARPX_DIAGNOSTICS_REDUCEDDIAGS_PARTICLEENERGY_H_
#define WARPX_DIAGNOSTICS_REDUCEDDIAGS_PARTICLEENERGY_H_
#include "ReducedDiags.H"
#include <string>
/**
* This class mainly contains a function that
* computes the particle relativistic kinetic energy
* of each species.
*/
class ParticleEnergy : public ReducedDiags
{
public:
/**
* constructor
* @param[in] rd_name reduced diags names
*/
ParticleEnergy(std::string rd_name);
/**
* This function computes the particle relativistic kinetic energy (EP).
* EP = sqrt( p^2 c^2 + m^2 c^4 ) - m c^2,
* where p is the relativistic momentum,
* m is the particle rest mass.
*
* @param[in] step current time step
*/
virtual void ComputeDiags(int step) override final;
};
#endif
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