Functions
DLL_EXPORT void	dsp_fourier_dft (dsp_stream_p stream, int exp)
	Perform a discrete Fourier Transform of a dsp_stream. More...

DLL_EXPORT void	dsp_fourier_idft (dsp_stream_p stream)
	Perform an inverse discrete Fourier Transform of a dsp_stream. More...

DLL_EXPORT void	dsp_fourier_2dsp (dsp_stream_p stream)
	Fill the magnitude and phase buffers with the current data in stream->dft. More...

DLL_EXPORT void	dsp_fourier_2complex_t (dsp_stream_p stream)
	Obtain the complex fourier tranform from the current magnitude and phase buffers. More...

DLL_EXPORT 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. More...

DLL_EXPORT double *	dsp_fourier_complex_array_get_magnitude (dsp_complex in, int len)
	Obtain a complex number's array magnitudes. More...

DLL_EXPORT double *	dsp_fourier_complex_array_get_phase (dsp_complex in, int len)
	Obtain a complex number's array phases. More...

Detailed Description

Function Documentation

DLL_EXPORT void dsp_fourier_2complex_t ( dsp_stream_p stream )

Parameters

stream the inout stream.

DLL_EXPORT void dsp_fourier_2dsp ( dsp_stream_p stream )

Parameters

stream the inout stream.

DLL_EXPORT double* dsp_fourier_complex_array_get_magnitude	(	dsp_complex	in,
		int	len
	)

Parameters

in	the input complex number array.
len	the input array length.

DLL_EXPORT double* dsp_fourier_complex_array_get_phase	(	dsp_complex	in,
		int	len
	)

Parameters

in	the input complex number array.
len	the input array length.

DLL_EXPORT void dsp_fourier_dft	(	dsp_stream_p	stream,
		int	exp
	)

Parameters

stream	the inout stream.
exp	the exponent (recursivity) of the fourier transform.

DLL_EXPORT void dsp_fourier_idft ( dsp_stream_p stream )

Parameters

stream the inout stream.

DLL_EXPORT void dsp_fourier_phase_mag_array_get_complex	(	double *	mag,
		double *	phi,
		complex_t *	out,
		int	len
	)

Parameters