sll_m_sparse_grid_3d.F90 File Reference

#include "sll_memory.h"
#include "sll_working_precision.h"

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Data Types
type	sll_t_sparse_grid_3d
	Sparse grid object for 3d with interpolation routines. More...

Modules
module	sll_m_sparse_grid_3d
	Implementation of a 3D sparse grid with interpolation routines.

Functions/Subroutines
real(kind=f64) function	interpolate_from_interpolant_value (interpolator, data, eta)
	Compute the value of the sparse grid interpolant at position eta (using standard sparse grid interpolation) More...
subroutine	interpolate_const_disp (interpolator, dorder, displacement, data_in, data_out, hiera)
	Interpolation function for interpolation at (constantly) displaced grid points; displacement only in dimension dim. It is another implementation of the base-class function "interpolate_disp". The advantage is that we can not revisit nodes as we do in the recursive dimension-independently-programmed version. More...
real(kind=f64) function	interpolate_from_hierarchical_surplus (interpolator, data, eta)
	Implements interpolate_from_interpolant_value for periodic sparse grid. More...
real(kind=f64) function	interpolate_from_hierarchical_surplus_boundary (interpolator, data, eta)
	implements interpolation from hierarchical surplus (interpolate_from_interpolant_value) non-periodic More...
subroutine	interpolate_array_disp_sgfft (interpolator, dim, displacment_in, data_in, data_out)
	Compute value at displaced grid points using trigonometric interpolation (based on SG FFT) More...
subroutine	initialize_sg3d (interpolator, levels, order, interpolation, interpolation_type, eta_min, eta_max, boundary, modified)
	Initialization function. Set up the hierarchy of the sparse grid. More...
subroutine	set_hierarchy_info (interpolator, counter, cdim, lvecin, kvecin, novecin)
	Helfer function for initialization. Setting all the information needed for node counter of the sparse grid along dimension cdim For a given sparse grid point fill the hierarchy information (3D specific) More...
subroutine	set_hierarchy_info_boundary (interpolator, counter, cdim, lvecin, kvecin, novecin)
	Helfer function for initialization. Setting all the information needed for node counter of the sparse grid along dimension cdim for points at the boundary along dimension dim. More...
subroutine	fg_to_sg (interpolator, fg_values, sg_values)
	Functions to evaluate fg on sg and sg on fg. More...
integer(kind=i32) function, dimension(3)	fg_index (interpolator, sg_index)
	Compute the index of a sparse grid node on level "level" with index "index_on_level" on full grid with of max_level. More...
subroutine	tohierarchical (interpolator, data_in, data_out)
subroutine	todehi (interpolator, data_array)
subroutine	tohira (interpolator, data_array)
subroutine	tonodal (interpolator, data_in, data_out)
subroutine	displace (interpolator, dim, displacement, data)
subroutine	spfft (interpolator, data_in, data_out)
	Sparse grid FFT. More...
subroutine	ispfft (interpolator, data_in, data_out)
	Sparse grid inverse FFT. More...