DFT_3D

3D Discrete Fourier Transform by tensor contractions More...

Collaboration diagram for DFT_3D:

Functions
int	test_dft_3D (int n, World &wrld)
int	main (int argc, char **argv)
	Forms N-by-N DFT matrix A and inverse-dft iA and checks A*iA=I. More...

Detailed Description

3D Discrete Fourier Transform by tensor contractions

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Forms N-by-N DFT matrix A and inverse-dft iA and checks A*iA=I.

Definition at line 103 of file dft_3D.cxx.

References test_dft_3D().

int test_dft_3D	(	int	n,
		World &	wrld
	)

Definition at line 15 of file dft_3D.cxx.

References ctf.core::exp(), CTF::Tensor< dtype >::get_local_data(), ctf.core::imag(), ctf.core::np(), NS, ctf.core::real(), SY, and CTF::Tensor< dtype >::write().

Referenced by main().