class containing the level data of the helmholtz 2d wide band fmm More...

#include <helmholtz_2d_wb_level_data.h>

Public Types
typedef Eigen::Matrix< std::complex< double >, Eigen::Dynamic, 1 >	cvector_t
	complex column vector type

Public Member Functions
	helmholtz_2d_wb_level_data ()
	constructor

	~helmholtz_2d_wb_level_data ()
	destructor

	helmholtz_2d_wb_level_data (helmholtz_2d_wb_level_data const &)
	copy constructor

helmholtz_2d_wb_level_data &	operator= (helmholtz_2d_wb_level_data const &)=delete
	assignment operator

void	init (double drel)
	initialize the data for a given frequency More...

void	set_expansion_length (size_t expansion_length)
	set the expansion length of the level More...

size_t	get_expansion_length () const
	return the expansion length

size_t	get_data_size () const
	return the size of the multipole / local data

void	set_high_freq (bool hf)
	set if the level is in high frequency

bool	is_high_freq () const
	return true if the level is in hgh frequency

void	set_interp_up (size_t Nfrom)
	compute upward interpolating matrix More...

void	set_interp_dn (size_t Nfrom)
	compute the downward interpolating matrix More...

const cvector_t &	interp_up (cvector_t const &multi) const
	interpolate multipole contribution up to this level More...

const cvector_t &	interp_dn (cvector_t const &local) const
	interpolate local data down to this level More...

const cvector_t &	dft (cvector_t const &multi) const
	perform dft on this level More...

const cvector_t &	idft (cvector_t const &local) const
	perform inverse dft on this level More...

void	set_num_threads (size_t n)

Detailed Description

class containing the level data of the helmholtz 2d wide band fmm

Definition at line 24 of file helmholtz_2d_wb_level_data.h.

Member Function Documentation

◆ dft()

const helmholtz_2d_wb_level_data::cvector_t & NiHu::fmm::helmholtz_2d_wb_level_data::dft ( cvector_t const & multi ) const

perform dft on this level

Parameters

[in] multi the multipole coefficient vector in coeff domain

Returns: the multipole coefficient vector in spectral domain

Definition at line 120 of file helmholtz_2d_wb_level_data.cpp.

◆ idft()

const helmholtz_2d_wb_level_data::cvector_t & NiHu::fmm::helmholtz_2d_wb_level_data::idft ( cvector_t const & local ) const

perform inverse dft on this level

Parameters

[in] local the local coefficient vector in spectral domain

Returns: the local coefficient vector in coefficient domain

Definition at line 139 of file helmholtz_2d_wb_level_data.cpp.

◆ init()

void NiHu::fmm::helmholtz_2d_wb_level_data::init ( double drel )

initialize the data for a given frequency

Parameters

[in] drel the relative cluster size (in wave lengths)

Definition at line 52 of file helmholtz_2d_wb_level_data.cpp.

◆ interp_dn()

const helmholtz_2d_wb_level_data::cvector_t & NiHu::fmm::helmholtz_2d_wb_level_data::interp_dn ( cvector_t const & local ) const

interpolate local data down to this level

Parameters

[in] local the local coefficient in the higher level

Returns: the local coefficient on this level

Definition at line 180 of file helmholtz_2d_wb_level_data.cpp.

◆ interp_up()

const helmholtz_2d_wb_level_data::cvector_t & NiHu::fmm::helmholtz_2d_wb_level_data::interp_up ( cvector_t const & multi ) const

interpolate multipole contribution up to this level

Parameters

[in] multi the multipole coefficient in the lower level

Returns: the multipole coefficient on this level

Definition at line 166 of file helmholtz_2d_wb_level_data.cpp.

◆ set_expansion_length()

void NiHu::fmm::helmholtz_2d_wb_level_data::set_expansion_length ( size_t expansion_length )

set the expansion length of the level

Parameters

[in] expansion_length the expansion length

Definition at line 60 of file helmholtz_2d_wb_level_data.cpp.

◆ set_interp_dn()

void NiHu::fmm::helmholtz_2d_wb_level_data::set_interp_dn ( size_t Nfrom )

compute the downward interpolating matrix

Parameters

[in] Nfrom the expansion length in the upper cluster

Definition at line 172 of file helmholtz_2d_wb_level_data.cpp.

◆ set_interp_up()

void NiHu::fmm::helmholtz_2d_wb_level_data::set_interp_up ( size_t Nfrom )

compute upward interpolating matrix

Parameters

[in] Nfrom the expansion length in the lower cluster

Definition at line 158 of file helmholtz_2d_wb_level_data.cpp.

The documentation for this class was generated from the following files:

src/fmm/helmholtz_2d_wb_level_data.h
src/fmm/helmholtz_2d_wb_level_data.cpp

Public Types

Public Member Functions

Detailed Description

Member Function Documentation

◆ dft()

◆ idft()

◆ init()

◆ interp_dn()

◆ interp_up()

◆ set_expansion_length()

◆ set_interp_dn()

◆ set_interp_up()