poisson_fft_t Derived Type

type, public, abstract :: poisson_fft_t

FFT based Poisson solver


Components

Type Visibility Attributes Name Initial
integer, public :: nx_glob

Global dimensions
integer, public :: ny_glob

Global dimensions
integer, public :: nz_glob

Global dimensions
integer, public :: nx_loc

Local dimensions
integer, public :: ny_loc

Local dimensions
integer, public :: nz_loc

Local dimensions
integer, public :: nx_perm

Local dimensions in the permuted slabs
integer, public :: ny_perm

Local dimensions in the permuted slabs
integer, public :: nz_perm

Local dimensions in the permuted slabs
integer, public :: nx_spec

Local dimensions in the permuted slabs in spectral space
integer, public :: ny_spec

Local dimensions in the permuted slabs in spectral space
integer, public :: nz_spec

Local dimensions in the permuted slabs in spectral space
integer, public :: y_sp_st

Offset in y direction in the permuted slabs in spectral space
complex(kind=dp), public, allocatable, dimension(:, :, :) :: waves

Local domain sized array storing the spectral equivalence constants
complex(kind=dp), public, allocatable, dimension(:) :: ax

Wave numbers in x, y, and z
complex(kind=dp), public, allocatable, dimension(:) :: bx

Wave numbers in x, y, and z
complex(kind=dp), public, allocatable, dimension(:) :: ay

Wave numbers in x, y, and z
complex(kind=dp), public, allocatable, dimension(:) :: by

Wave numbers in x, y, and z
complex(kind=dp), public, allocatable, dimension(:) :: az

Wave numbers in x, y, and z
complex(kind=dp), public, allocatable, dimension(:) :: bz

Wave numbers in x, y, and z

Type-Bound Procedures

procedure(fft_forward), public, deferred :: fft_forward

  • subroutine fft_forward(self, f_in) Prototype

    Arguments

    Type IntentOptional Attributes Name
    class(poisson_fft_t) :: self
    class(field_t), intent(in) :: f_in

procedure(fft_backward), public, deferred :: fft_backward

  • subroutine fft_backward(self, f_out) Prototype

    Arguments

    Type IntentOptional Attributes Name
    class(poisson_fft_t) :: self
    class(field_t), intent(inout) :: f_out

procedure(fft_postprocess), public, deferred :: fft_postprocess

  • subroutine fft_postprocess(self) Prototype

    Arguments

    Type IntentOptional Attributes Name
    class(poisson_fft_t) :: self

procedure, public :: base_init

  • public subroutine base_init(self, mesh, xdirps, ydirps, zdirps)

    Arguments

    Type IntentOptional Attributes Name
    class(poisson_fft_t) :: self
    class(mesh_t), intent(in) :: mesh
    type(dirps_t), intent(in) :: xdirps
    type(dirps_t), intent(in) :: ydirps
    type(dirps_t), intent(in) :: zdirps

procedure, public :: waves_set

  • public subroutine waves_set(self, geo, xdirps, ydirps, zdirps)

    Spectral equivalence constants

    Read more…

    Arguments

    Type IntentOptional Attributes Name
    class(poisson_fft_t) :: self
    type(geo_t), intent(in) :: geo
    type(dirps_t), intent(in) :: xdirps
    type(dirps_t), intent(in) :: ydirps
    type(dirps_t), intent(in) :: zdirps