sll_m_linear_solver_spline_mass_fft Module Reference

Description

Invert a circulant matrix based on diagonalization in Fourier space (3d version)

Authors

Katharina Kormann

Derived types and interfaces
type	sll_t_linear_solver_spline_mass_fft
	Linear solver for FFT-based inversion of 3d tensor product of circulant matrices (extending the abstract linear solver class) More...

Functions/Subroutines
subroutine	create_mass1 (self, n_dofs, inv_eig_values_1, inv_eig_values_2, inv_eig_values_3)
subroutine	solve_real_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_fft::create_mass1 ( class( sll_t_linear_solver_spline_mass_fft), intent(inout)  self, integer(kind=i32), dimension(3), intent(in)  n_dofs, real(kind=f64), dimension(:), intent(in)  inv_eig_values_1, real(kind=f64), dimension(:), intent(in)  inv_eig_values_2, real(kind=f64), dimension(:), intent(in)  inv_eig_values_3  )

private

Parameters

[in,out]	self	Fourier solver
[in]	n_dofs	no of dofs per dimension
[in]	inv_eig_values_1	eigenvalues of inverse matrix along dimension 1
[in]	inv_eig_values_2	eigenvalues of inverse matrix along dimension 2
[in]	inv_eig_values_3	eigenvalues of inverse matrix along dimension 3

Definition at line 56 of file sll_m_linear_solver_spline_mass_fft.F90.

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free_mass1()

subroutine sll_m_linear_solver_spline_mass_fft::free_mass1 ( class( sll_t_linear_solver_spline_mass_fft), intent(inout)  self )

private

Parameters

[in,out]

self

Fourier solver

Definition at line 213 of file sll_m_linear_solver_spline_mass_fft.F90.

print_info_mass1()

subroutine sll_m_linear_solver_spline_mass_fft::print_info_mass1 ( class( sll_t_linear_solver_spline_mass_fft), intent(in)  self )

private

Parameters

[in]

self

Fourier solver

Definition at line 199 of file sll_m_linear_solver_spline_mass_fft.F90.

read_from_file_mass1()

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

private

Parameters

[in,out]

self

Fourier solver

Definition at line 193 of file sll_m_linear_solver_spline_mass_fft.F90.

set_verbose_mass1()

subroutine sll_m_linear_solver_spline_mass_fft::set_verbose_mass1 ( class( sll_t_linear_solver_spline_mass_fft), intent(inout)  self, logical, intent(in)  verbose  )

private

Parameters

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

Definition at line 204 of file sll_m_linear_solver_spline_mass_fft.F90.

solve_real_mass1()

subroutine sll_m_linear_solver_spline_mass_fft::solve_real_mass1 ( class( sll_t_linear_solver_spline_mass_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 88 of file sll_m_linear_solver_spline_mass_fft.F90.

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