sll_m_preconditioner_curl_solver_fft.F90 File Reference

#include "sll_working_precision.h"
#include "sll_errors.h"

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Data Types
type	sll_t_preconditioner_curl_solver_fft
	Linear solver for FFT-based inversion of 3d tensor product of circulant matrices (extending the abstract linear solver class) More...

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

Functions/Subroutines
subroutine	create_preconditioner (self, n_dofs, delta_x, degree)
subroutine	solve_real_preconditioner (self, rhs, unknown)
subroutine	fft3d (self, array1d_x, array1d_y, array1d_z, inde, x, scratch1)
	Helper function. More...
subroutine	ifft3d (self, array1d_x, array1d_y, array1d_z, inde, scratch, y)
	Helper function. More...
subroutine	invert3d (mat, mat_inv)
	Helper function to invert 3x3 matrix. More...
subroutine	read_from_file_preconditioner (self, filename)
subroutine	print_info_preconditioner (self)
subroutine	set_verbose_preconditioner (self, verbose)
subroutine	free_preconditioner (self)