Fields.H

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/* Copyright 2024 The WarpX Community
 *
 * This file is part of WarpX.
 *
 * License: BSD-3-Clause-LBNL
 * Authors: Luca Fedeli, Justin Angus, Remi Lehe, Axel Huebl
 */
#ifndef WARPX_FIELDS_H_
#define WARPX_FIELDS_H_
 
#include <ablastr/fields/MultiFabRegister.H>
 
#include <AMReX_Enum.H>
 
#include <algorithm>
#include <iterator>
 
 
namespace warpx::fields
{
    AMREX_ENUM(FieldType,
        None,
        Efield_aux, 
        Bfield_aux, 
        Efield_fp,  
        Bfield_fp,  
        Efield_fp_external, 
        Bfield_fp_external, 
        current_fp, 
        current_fp_nodal, 
        current_fp_vay,   
        current_buf, 
        current_store, 
        rho_buf, 
        rho_fp,  
        F_fp, 
        G_fp, 
        phi_fp, 
        vector_potential_fp, 
        vector_potential_fp_nodal,
        vector_potential_grad_buf_e_stag,
        vector_potential_grad_buf_b_stag,
        hybrid_electron_pressure_fp, 
        hybrid_electron_temperature_fp, 
        hybrid_entropy_fp,           
        hybrid_qdsmc_weights_fp,     
        hybrid_electron_velocity_fp, 
        hybrid_rho_fp_temp,          
        hybrid_current_fp_temp,      
        hybrid_current_fp_plasma,    
        hybrid_current_fp_external,  
        hybrid_B_fp_external,       
        hybrid_E_fp_external,       
        Efield_cp,  
        Bfield_cp,  
        current_cp, 
        rho_cp, 
        F_cp,   
        G_cp,   
        Efield_cax, 
        Bfield_cax, 
        E_external_particle_field, 
        B_external_particle_field, 
        distance_to_eb, 
        edge_lengths,   
        face_areas,     
        area_mod,
        pml_E_fp,
        pml_B_fp,
        pml_j_fp,
        pml_F_fp,
        pml_G_fp,
        pml_E_cp,
        pml_B_cp,
        pml_j_cp,
        pml_F_cp,
        pml_G_cp,
        Efield_avg_fp,
        Bfield_avg_fp,
        Efield_avg_cp,
        Bfield_avg_cp,
        B_old, // Stores the value of B at the beginning of the timestep, for the implicit solver
        E_old, // Stores the value of E at the beginning of the timestep, for the implicit solver
        Efield_fp_save,  // E at start of Newton step used by the implicit solvers
        current_fp_non_suborbit, // J from non-suborbit particles used by the implicit solvers
        MassMatrices_X,  // Stores full mass matrix elements for Jx used by the implicit solvers
        MassMatrices_Y,  // Stores full mass matrix elements for Jy used by the implicit solvers
        MassMatrices_Z,  // Stores full mass matrix elements for Jz used by the implicit solvers
        MassMatrices_PC, // Stores reduced mass matrix elements for the implicit solver preconditioner (PC)
        curl2_BC_mask,   // Masks used to incorporate boundary conditions into the curl curl matrix
        ECTRhofield,
        Venl,
        global_debye_length,
        dA_fp,   
        effective_potential_sigma  
    );

    constexpr FieldType ArrayFieldTypes[] = {
        FieldType::Efield_aux,
        FieldType::Bfield_aux,
        FieldType::Efield_fp,
        FieldType::Bfield_fp,
        FieldType::current_fp,
        FieldType::current_fp_nodal,
        FieldType::current_fp_vay,
        FieldType::current_buf,
        FieldType::current_store,
        FieldType::vector_potential_fp,
        FieldType::vector_potential_fp_nodal,
        FieldType::vector_potential_grad_buf_e_stag,
        FieldType::vector_potential_grad_buf_b_stag,
        FieldType::hybrid_current_fp_temp,
        FieldType::hybrid_current_fp_plasma,
        FieldType::hybrid_current_fp_external,
        FieldType::hybrid_B_fp_external,
        FieldType::hybrid_E_fp_external,
        FieldType::Efield_cp,
        FieldType::Bfield_cp,
        FieldType::current_cp,
        FieldType::Efield_cax,
        FieldType::Bfield_cax,
        FieldType::E_external_particle_field,
        FieldType::B_external_particle_field,
        FieldType::pml_E_fp,
        FieldType::pml_B_fp,
        FieldType::pml_j_fp,
        FieldType::pml_E_cp,
        FieldType::pml_B_cp,
        FieldType::pml_j_cp,
        FieldType::Efield_avg_fp,
        FieldType::Bfield_avg_fp,
        FieldType::Efield_avg_cp,
        FieldType::Bfield_avg_cp,
        FieldType::B_old,
        FieldType::E_old,
        FieldType::Efield_fp_save,
        FieldType::current_fp_non_suborbit,
        FieldType::MassMatrices_X,
        FieldType::MassMatrices_Y,
        FieldType::MassMatrices_Z,
        FieldType::MassMatrices_PC,
        FieldType::curl2_BC_mask,
        FieldType::ECTRhofield,
        FieldType::Venl,
        FieldType::dA_fp,
    };

    inline bool
    isFieldArray (const FieldType field_type)
    {
        return std::any_of( std::begin(ArrayFieldTypes), std::end(ArrayFieldTypes),
            [field_type](const FieldType& f) { return f == field_type; });
    }
 
}
 
#endif //WARPX_FIELDS_H_