amrex::FFT Namespace Reference

Namespaces
namespace	detail
namespace	fft_poisson_detail

Classes
struct	Boundary_EnumTraits
struct	Info
class	LocalR2C
	Local Discrete Fourier Transform. More...
class	OpenBCSolver
struct	Plan
class	Poisson
	Poisson solver for periodic, Dirichlet & Neumann boundaries using FFT. More...
class	PoissonHybrid
	3D Poisson solver for periodic, Dirichlet & Neumann boundaries in the first two dimensions, and Dirichlet & Neumann in the last dimension. The last dimension could have non-uniform mesh. More...
class	PoissonOpenBC
	Poisson solve for Open BC using FFT. More...
class	R2C
	Parallel Discrete Fourier Transform. More...
class	R2X
	Discrete Fourier Transform. More...
struct	RotateBwd
struct	RotateFwd
struct	Swap01
struct	Swap02

Typedefs
using	Key = std::tuple< IntVectND< 3 >, int, Direction, Kind >
using	PlanD = typename Plan< double >::VendorPlan
using	PlanF = typename Plan< float >::VendorPlan
template<typename T = Real, FFT::Direction D = FFT::Direction::both>
using	C2C = R2C< T, D, true >
	FFT between complex data.

Enumerations
enum struct	Direction { forward , backward , both , none }
enum struct	DomainStrategy { automatic , slab , pencil }
enum class	Boundary : int { periodic , even , odd }
enum struct	Kind {   none , r2c_f , r2c_b , c2c_f ,   c2c_b , r2r_ee_f , r2r_ee_b , r2r_oo_f ,   r2r_oo_b , r2r_eo , r2r_oe }

Functions
void	Initialize ()
void	Finalize ()
void	Clear ()
PlanD *	get_vendor_plan_d (Key const &key)
PlanF *	get_vendor_plan_f (Key const &key)
void	add_vendor_plan_d (Key const &key, PlanD plan)
void	add_vendor_plan_f (Key const &key, PlanF plan)

Variables
Boundary_EnumTraits	amrex_get_enum_traits (Boundary)

Typedef Documentation

C2C

template<typename T = Real, FFT::Direction D = FFT::Direction::both>

using amrex::FFT::C2C = typedef R2C<T, D, true>

FFT between complex data.

Key

using amrex::FFT::Key = typedef std::tuple<IntVectND<3>,int,Direction,Kind>

PlanD

using amrex::FFT::PlanD = typedef typename Plan<double>::VendorPlan

PlanF

using amrex::FFT::PlanF = typedef typename Plan<float>::VendorPlan

Enumeration Type Documentation

Boundary

enum class amrex::FFT::Boundary : int

strong

Enumerator
periodic
even
odd

Direction

enum struct amrex::FFT::Direction

strong

Enumerator
forward
backward
both
none

DomainStrategy

enum struct amrex::FFT::DomainStrategy

strong

Enumerator
automatic
slab
pencil

Kind

enum struct amrex::FFT::Kind

strong

Enumerator
none
r2c_f
r2c_b
c2c_f
c2c_b
r2r_ee_f
r2r_ee_b
r2r_oo_f
r2r_oo_b
r2r_eo
r2r_oe

Function Documentation

add_vendor_plan_d()

void amrex::FFT::add_vendor_plan_d	(	Key const &	key,
		PlanD	plan
	)

add_vendor_plan_f()

void amrex::FFT::add_vendor_plan_f	(	Key const &	key,
		PlanF	plan
	)

Clear()

void amrex::FFT::Clear

(

)

Finalize()

void amrex::FFT::Finalize

(

)

get_vendor_plan_d()

PlanD * amrex::FFT::get_vendor_plan_d

(

Key const &

key

)

get_vendor_plan_f()

PlanF * amrex::FFT::get_vendor_plan_f

(

Key const &

key

)

Initialize()

void amrex::FFT::Initialize

(

)

Variable Documentation

amrex_get_enum_traits

Boundary_EnumTraits amrex::FFT::amrex_get_enum_traits(Boundary)

(

Boundary

)