Declaration of FFT routines. More...

#include "stir/common.h"

Classes
class	stir::Array< num_dimensions, elemT >
	This class defines multi-dimensional (numeric) arrays. More...

Namespaces
	stir
	Namespace for the STIR library (and some/most of its applications)

Functions
void	stir::four1 (Array< 1, float > &data, int nn, int isign)
	1-dimensional FFT More...

void	stir::fourn (Array< 1, float > &data, Array< 1, int > &nn, int ndim, int isign)
	n-dimensional FFT More...

void	stir::convlvC (Array< 1, float > &data, const Array< 1, float > &filter, int n)
	Convolve data with a filter which is given in frequency space. More...

void	stir::rlft3 (Array< 3, float > &data, Array< 2, float > &speq, int nn1, int nn2, int nn3, int isign)
	3D FFT of real numbers

void	stir::realft (Array< 1, float > &data, int n, int isign)
	Calculates the Fourier Transform of a set of 2n real-valued data points. More...

Detailed Description

Declaration of FFT routines.

This are C++-ified version of Numerical Recipes routines. You need to have the book before you can use this!

Classes