SchurExtrapolateScalarKernel Struct Reference

adc_cpp 0.3.0 Model-free C++23 core for coupled hyperbolic-elliptic systems on adaptive (AMR) meshes, with MPI and GPU (Kokkos) backends

• pops
• detail
• SchurExtrapolateScalarKernel

Public Member Functions | Public Attributes | List of all members

pops::detail::SchurExtrapolateScalarKernel Struct Reference

Linear extrapolation of a SCALAR field from the theta-stage to the full step: f^{n+1} = f^n + (1/theta) (f^{n+theta} - f^n). More...

#include <schur_source_kernels.hpp>

Collaboration diagram for pops::detail::SchurExtrapolateScalarKernel:

Public Member Functions
POPS_HD void	operator() (int i, int j) const

Public Attributes
ConstArray4	f_n
	f^n
Array4	f
	IN: f^{n+theta}; OUT: f^{n+1}.
Real	inv_theta
	1 / theta

Detailed Description

Linear extrapolation of a SCALAR field from the theta-stage to the full step: f^{n+1} = f^n + (1/theta) (f^{n+theta} - f^n).

theta = 1 -> identity (inv_theta = 1). NAMED device-clean functor.

Member Function Documentation

◆ operator()()

POPS_HD void pops::detail::SchurExtrapolateScalarKernel::operator() ( int  i, int  j  ) const

inline

Member Data Documentation

◆ f

Array4 pops::detail::SchurExtrapolateScalarKernel::f

IN: f^{n+theta}; OUT: f^{n+1}.

◆ f_n

ConstArray4 pops::detail::SchurExtrapolateScalarKernel::f_n

f^n

◆ inv_theta

Real pops::detail::SchurExtrapolateScalarKernel::inv_theta

1 / theta

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

• include/pops/coupling/schur/core/schur_source_kernels.hpp

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