_static/doxyhtml/_finite_difference_8_h_source.html

/* Copyright 2021-2025 Edoardo Zoni, Luca Fedeli

 *

 * This file is part of WarpX.

 *

 * License: BSD-3-Clause-LBNL

 */

#ifndef ABLASTR_MATH_FINITE_DIFFERENCE_H_

#define ABLASTR_MATH_FINITE_DIFFERENCE_H_


#include "ablastr/utils/Enums.H"


#include <AMReX_Vector.H>

#include <AMReX_REAL.H>


namespace ablastr::math

{

    [[nodiscard]] amrex::Vector<amrex::Real>

    getFornbergStencilCoefficients (

        int n_order, ablastr::utils::enums::GridType a_grid_type);


    void

    ReorderFornbergCoefficients (

        amrex::Vector<amrex::Real>& ordered_coeffs,

        const amrex::Vector<amrex::Real>& unordered_coeffs, int order);

}


#endif //ABLASTR_MATH_FINITE_DIFFERENCE_H_

AMReX_REAL.H

AMReX_Vector.H

Enums.H

ablastr::math
Definition AnyFFT.H:41

ablastr::math::getFornbergStencilCoefficients
amrex::Vector< amrex::Real > getFornbergStencilCoefficients(const int n_order, GridType a_grid_type)
Returns an array of coefficients (Fornberg coefficients), corresponding to the weight of each point i...
Definition FiniteDifference.cpp:19

ablastr::math::ReorderFornbergCoefficients
void ReorderFornbergCoefficients(amrex::Vector< amrex::Real > &ordered_coeffs, const amrex::Vector< amrex::Real > &unordered_coeffs, const int order)
Re-orders the Fornberg coefficients so that they can be used more conveniently for finite-order cente...
Definition FiniteDifference.cpp:63

ablastr::utils::enums::GridType
GridType
Definition Enums.H:23