fft.c File Reference

#include "dsp.h"
#include <fftw3.h>

Go to the source code of this file.

Functions
void	dsp_fourier_2dsp (dsp_stream_p stream)
	Fill the magnitude and phase buffers with the current data in stream->dft.
void	dsp_fourier_2complex_t (dsp_stream_p stream)
	Obtain the complex fourier transform from the current magnitude and phase buffers.
double *	dsp_fourier_complex_array_get_magnitude (dsp_complex in, int len)
	Obtain a complex number's array magnitudes.
double *	dsp_fourier_complex_array_get_phase (dsp_complex in, int len)
	Obtain a complex number's array phases.
void	dsp_fourier_phase_mag_array_get_complex (double *mag, double *phi, complex_t *out, int len)
	Obtain a complex array from phase and magnitude arrays.
void	dsp_fourier_dft (dsp_stream_p stream, int exp)
	Perform a discrete Fourier Transform of a dsp_stream.
void	dsp_fourier_idft (dsp_stream_p stream)
	Perform an inverse discrete Fourier Transform of a dsp_stream.