sll_m_linear_solver_spline_mass_2d_fft Module Reference

Description

Invert a circulant matrix based on diagonalization in Fourier space (2d version)

Authors

Katharina Kormann

Derived types and interfaces
type	sll_t_linear_solver_spline_mass_2d_fft
	Data type for a linear solver inverting a 2d tensor product of circulant matrices based on FFT. More...

Functions/Subroutines
subroutine	create_mass1 (self, n_dofs, eig_values_1, eig_values_2)
subroutine	solve_real_mass1 (self, rhs, unknown)
subroutine	solve_complex_mass1 (self, rhs, unknown)
subroutine	read_from_file_mass1 (self, filename)
subroutine	print_info_mass1 (self)
subroutine	set_verbose_mass1 (self, verbose)
subroutine	free_mass1 (self)

Function/Subroutine Documentation

create_mass1()

subroutine sll_m_linear_solver_spline_mass_2d_fft::create_mass1 ( class( sll_t_linear_solver_spline_mass_2d_fft), intent(inout)  self, integer(kind=i32), dimension(2), intent(in)  n_dofs, real(kind=f64), dimension(:), intent(in)  eig_values_1, real(kind=f64), dimension(:), intent(in)  eig_values_2  )

private

Parameters

[in,out]	self	Fourier solver
[in]	n_dofs	no of dofs per dimension
[in]	eig_values_1	eigenvalues of inverse matrix along dimension 1
[in]	eig_values_2	eigenvalues of inverse matrix along dimension 2

Definition at line 54 of file sll_m_linear_solver_spline_mass_2d_fft.F90.

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free_mass1()

subroutine sll_m_linear_solver_spline_mass_2d_fft::free_mass1 ( class( sll_t_linear_solver_spline_mass_2d_fft), intent(inout)  self )

private

Parameters

[in,out]

self

Fourier solver

Definition at line 191 of file sll_m_linear_solver_spline_mass_2d_fft.F90.

print_info_mass1()

subroutine sll_m_linear_solver_spline_mass_2d_fft::print_info_mass1 ( class( sll_t_linear_solver_spline_mass_2d_fft), intent(in)  self )

private

Parameters

[in]

self

Fourier solver

Definition at line 177 of file sll_m_linear_solver_spline_mass_2d_fft.F90.

read_from_file_mass1()

subroutine sll_m_linear_solver_spline_mass_2d_fft::read_from_file_mass1 ( class( sll_t_linear_solver_spline_mass_2d_fft), intent(inout)  self, character(len=*), intent(in)  filename  )

private

Parameters

[in,out]

self

Fourier solver

Definition at line 171 of file sll_m_linear_solver_spline_mass_2d_fft.F90.

set_verbose_mass1()

subroutine sll_m_linear_solver_spline_mass_2d_fft::set_verbose_mass1 ( class( sll_t_linear_solver_spline_mass_2d_fft), intent(inout)  self, logical, intent(in)  verbose  )

private

Parameters

[in,out]	self	Fourier solver
[in]	verbose	logical for convergence information

Definition at line 182 of file sll_m_linear_solver_spline_mass_2d_fft.F90.

solve_complex_mass1()

subroutine sll_m_linear_solver_spline_mass_2d_fft::solve_complex_mass1 ( class( sll_t_linear_solver_spline_mass_2d_fft), intent(in)  self, complex(kind=f64), dimension(:), intent(in)  rhs, complex(kind=f64), dimension(:), intent(out)  unknown  )

private

Parameters

[in]	self	Fourier solver
[in]	rhs	given right-hand side
[out]	unknown	unknown-left hand side

Definition at line 162 of file sll_m_linear_solver_spline_mass_2d_fft.F90.

solve_real_mass1()

subroutine sll_m_linear_solver_spline_mass_2d_fft::solve_real_mass1 ( class( sll_t_linear_solver_spline_mass_2d_fft), intent(inout)  self, real(kind=f64), dimension(:), intent(in)  rhs, real(kind=f64), dimension(:), intent(out)  unknown  )

private

Parameters

[in,out]	self	Fourier solver
[in]	rhs	given right-hand side
[out]	unknown	unknown-left hand side

Definition at line 78 of file sll_m_linear_solver_spline_mass_2d_fft.F90.

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