CENTERED2 Struct Reference

#include <ERF_Interpolation_UPW.H>

Collaboration diagram for CENTERED2:

Public Member Functions
	CENTERED2 (const amrex::Array4< const amrex::Real > &phi)
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void	InterpolateInX (const int &i, const int &j, const int &k, const int &qty_index, amrex::Real &val_lo, amrex::Real, const amrex::Real) const
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void	InterpolateInY (const int &i, const int &j, const int &k, const int &qty_index, amrex::Real &val_lo, amrex::Real, const amrex::Real) const
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void	InterpolateInZ (const int &i, const int &j, const int &k, const int &qty_index, amrex::Real &val_lo, amrex::Real, const amrex::Real) const
AMREX_GPU_DEVICE AMREX_FORCE_INLINE amrex::Real	Evaluate (const amrex::Real &s, const amrex::Real &sm1) const

Private Attributes
amrex::Array4< const amrex::Real >	m_phi

Static Private Attributes
static constexpr amrex::Real	g1 =(0.5)

Detailed Description

Interpolation operators used for 2nd order centered scheme

Constructor & Destructor Documentation

CENTERED2()

CENTERED2::CENTERED2 ( const amrex::Array4< const amrex::Real > &  phi )

inline

        : m_phi(phi) {}

Member Function Documentation

Evaluate()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE amrex::Real CENTERED2::Evaluate ( const amrex::Real &  s, const amrex::Real &  sm1  ) const

inline

    {
        // Averages and diffs
        amrex::Real a1 = (s   + sm1);
 
        // Interpolated value
        return ( g1*a1 );
    }

Referenced by InterpolateInX(), InterpolateInY(), and InterpolateInZ().

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InterpolateInX()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void CENTERED2::InterpolateInX ( const int &  i, const int &  j, const int &  k, const int &  qty_index, amrex::Real &  val_lo, amrex::Real  , const amrex::Real    ) const

inline

    {
        // Data to interpolate on
        amrex::Real s   = m_phi(i  , j  , k  , qty_index);
        amrex::Real sm1 = m_phi(i-1, j  , k  , qty_index);
 
        // Interpolate lo
        val_lo = Evaluate(s,sm1);
    }

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InterpolateInY()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void CENTERED2::InterpolateInY ( const int &  i, const int &  j, const int &  k, const int &  qty_index, amrex::Real &  val_lo, amrex::Real  , const amrex::Real    ) const

inline

    {
        // Data to interpolate on
        amrex::Real s   = m_phi(i  , j  , k  , qty_index);
        amrex::Real sm1 = m_phi(i  , j-1, k  , qty_index);
 
        // Interpolate lo
        val_lo = Evaluate(s,sm1);
    }

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InterpolateInZ()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void CENTERED2::InterpolateInZ ( const int &  i, const int &  j, const int &  k, const int &  qty_index, amrex::Real &  val_lo, amrex::Real  , const amrex::Real    ) const

inline

    {
        // Data to interpolate on
        amrex::Real s   = m_phi(i  , j  , k  , qty_index);
        amrex::Real sm1 = m_phi(i  , j  , k-1, qty_index);
 
        // Interpolate lo
        val_lo = Evaluate(s,sm1);
    }

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Member Data Documentation

g1

constexpr amrex::Real CENTERED2::g1 =(0.5)

staticconstexprprivate

Referenced by Evaluate().

m_phi

amrex::Array4<const amrex::Real> CENTERED2::m_phi

private

Referenced by InterpolateInX(), InterpolateInY(), and InterpolateInZ().

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The documentation for this struct was generated from the following file:

• Source/Utils/ERF_Interpolation_UPW.H