Wrapper class for fast Fourier transformation by FFTW. More...
#include <fft.h>
Inheritance diagram for FFTBase:
Public Types | |
| typedef double(* | twindowfunc )(double x) |
Public Member Functions | |
| FFTBase (int length) | |
| int | length () const |
Static Public Member Functions | |
| static int | fitLength (int length) |
| Expand to appropriate length for better O(n log n) computation. | |
| static double | windowFuncRect (double x) |
| static double | windowFuncTri (double x) |
| static double | windowFuncHanning (double x) |
| static double | windowFuncHamming (double x) |
| static double | windowFuncFlatTop (double x) |
| static double | windowFuncBlackman (double x) |
| static double | windowFuncBlackmanHarris (double x) |
| static double | windowFuncKaiser (double x, double alpha) |
| static double | windowFuncKaiser1 (double x) |
| static double | windowFuncKaiser2 (double x) |
| static double | windowFuncKaiser3 (double x) |
| static double | windowFuncFlatTopLong (double x) |
| static double | windowFuncFlatTopLongLong (double x) |
| static double | windowFuncHalfSin (double x) |
Protected Attributes | |
| int | m_fftlen |
| shared_ptr< fftw_plan > | m_fftplan |
Detailed Description
The documentation for this class was generated from the following files:
