FourierTransform::Workspace Class Reference

Description

Workspace for Fourier Transform.

Workspace contains input (src), intermediate and output (out) arrays to run FT via fft; 'source' is our signal Output arrays are allocated via fftw3 allocation for maximum performance.

Definition at line 70 of file FourierTransform.h.

Public Member Functions
	Workspace ()=default
	~Workspace ()
void	clear ()

Private Attributes
int	h_fftw {0}
int	h_src {0}
	Here, h = height (# rows), w = width (# columns) More...
double *	in_src {nullptr}
double *	out_fftw {nullptr}
	result of Fourier transformation of source More...
fftw_plan	p_forw_src {nullptr}
int	w_fftw {0}
int	w_src {0}

Friends
class	FourierTransform

Constructor & Destructor Documentation

Workspace()

FourierTransform::Workspace::Workspace ( )

default

~Workspace()

FourierTransform::Workspace::~Workspace

(

)

Definition at line 22 of file FourierTransform.cpp.

{
    clear();
}

References clear().

Here is the call graph for this function:

Member Function Documentation

clear()

void FourierTransform::Workspace::clear

(

)

Definition at line 27 of file FourierTransform.cpp.

{
    // rows (h) and columns (w) of the input 'source'
    h_src = 0;
    w_src = 0;
 
    delete[] in_src;
    in_src = nullptr;
 
    if (out_fftw)
        fftw_free((fftw_complex*)out_fftw);
    out_fftw = nullptr;
 
    if (p_forw_src != nullptr)
        fftw_destroy_plan(p_forw_src);
 
    fftw_cleanup();
}

Referenced by ~Workspace(), and FourierTransform::init().

Friends And Related Function Documentation

FourierTransform

friend class FourierTransform

friend

Definition at line 75 of file FourierTransform.h.

Member Data Documentation

h_fftw

int FourierTransform::Workspace::h_fftw {0}

private

Definition at line 80 of file FourierTransform.h.

Referenced by FourierTransform::fft(), FourierTransform::fftshift(), FourierTransform::fftw_forward_FT(), and FourierTransform::init().

h_src

int FourierTransform::Workspace::h_src {0}

private

Here, h = height (# rows), w = width (# columns)

Definition at line 79 of file FourierTransform.h.

Referenced by FourierTransform::fftw_forward_FT(), and FourierTransform::init().

in_src

double* FourierTransform::Workspace::in_src {nullptr}

private

Definition at line 82 of file FourierTransform.h.

Referenced by FourierTransform::fftw_forward_FT(), and FourierTransform::init().

out_fftw

double* FourierTransform::Workspace::out_fftw {nullptr}

private

result of Fourier transformation of source

Definition at line 85 of file FourierTransform.h.

Referenced by FourierTransform::fft(), FourierTransform::fftw_forward_FT(), and FourierTransform::init().

p_forw_src

fftw_plan FourierTransform::Workspace::p_forw_src {nullptr}

private

Definition at line 87 of file FourierTransform.h.

Referenced by FourierTransform::fftw_forward_FT(), and FourierTransform::init().

w_fftw

int FourierTransform::Workspace::w_fftw {0}

private

Definition at line 80 of file FourierTransform.h.

Referenced by FourierTransform::fft(), FourierTransform::fftw_forward_FT(), and FourierTransform::init().

w_src

int FourierTransform::Workspace::w_src {0}

private

Definition at line 79 of file FourierTransform.h.

Referenced by FourierTransform::fftw_forward_FT(), and FourierTransform::init().

---

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Base/Math/FourierTransform.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Base/Math/FourierTransform.cpp