Fourier Transforms

Fast fourier transforms using the FFTW library. More...

Classes
class	ndarray::FourierTransform< T, N >
	A wrapper for FFTW plans for fast Fourier transforms. More...

Functions
template<typename T , int N, int C>
void	ndarray::shift (Vector< T, N > const &offset, Array< std::complex< T >, N, C > const &array, int const real_last_dim)
	Perform a Fourier-space translation transform.
template<typename T , int N, int C>
void	ndarray::differentiate (int n, Array< std::complex< T >, N, C > const &array, int const real_last_dim)
	Numerically differentiate the array in Fourier-space in the given dimension.

Detailed Description

Fast fourier transforms using the FFTW library.

Function Documentation

differentiate()

template<typename T , int N, int C>

void ndarray::differentiate	(	int	n,
		Array< std::complex< T >, N, C > const &	array,
		int const	real_last_dim
	)

Numerically differentiate the array in Fourier-space in the given dimension.

shift()

template<typename T , int N, int C>

void ndarray::shift	(	Vector< T, N > const &	offset,
		Array< std::complex< T >, N, C > const &	array,
		int const	real_last_dim
	)

Perform a Fourier-space translation transform.