DifferentialLuminosity.H

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/* Copyright 2023 The WarpX Community
 *
 * This file is part of WarpX.
 *
 * Authors: Arianna Formenti
 * License: BSD-3-Clause-LBNL
 */
 
#ifndef WARPX_DIAGNOSTICS_REDUCEDDIAGS_DIFFERENTIALLUMINOSITY_H_
#define WARPX_DIAGNOSTICS_REDUCEDDIAGS_DIFFERENTIALLUMINOSITY_H_
 
#include "ReducedDiags.H"
#include <AMReX_GpuContainers.H>
 
#include <map>
#include <string>
#include <vector>

class DifferentialLuminosity : public ReducedDiags
{
public:

    explicit DifferentialLuminosity(const std::string& rd_name);

    std::vector<std::string> m_beam_name;

    int m_bin_num;

    amrex::Real m_bin_max;
    amrex::Real m_bin_min;

    amrex::Real m_bin_size;
 
    void ComputeDiags(int step) final;
 
private:
    struct aux_header_index
    {
        std::string header;
        int idx;
    };

    std::map<std::string, aux_header_index> m_headers_indices;
 
    // Array in which to accumulate the luminosity across timesteps
    amrex::Gpu::DeviceVector< amrex::Real > d_data;
};
 
#endif  // WARPX_DIAGNOSTICS_REDUCEDDIAGS_DIFFERENTIALLUMINOSITY_H_