tinymodem::SimpleFFT Class Reference

Radix 2 complex FFT with a precomputed twiddle table. More...

#include <DSPUtils.h>

Public Member Functions
bool	begin (int size)
void	process (float *re, float *im)
	In place forward transform.
int	size () const

Protected Attributes
int	len = 0
audio_tools::Vector< float >	cos_table
audio_tools::Vector< float >	sin_table

Detailed Description

Radix 2 complex FFT with a precomputed twiddle table.

Copyright

GPLv3

Member Function Documentation

begin()

bool tinymodem::SimpleFFT::begin ( int size )

inline

process()

void tinymodem::SimpleFFT::process ( float * re, float * im )

inline

In place forward transform.

size()

int tinymodem::SimpleFFT::size ( ) const

inline

Member Data Documentation

cos_table

audio_tools::Vector<float> tinymodem::SimpleFFT::cos_table

protected

len

int tinymodem::SimpleFFT::len = 0

protected

sin_table

audio_tools::Vector<float> tinymodem::SimpleFFT::sin_table

protected

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

• src/modem/DSPUtils.h