libdspau-fft.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <float.h>
#include <fftw3.h>
#include "libdspau.h"

Include dependency graph for libdspau-fft.c:

Functions
static double	complex_mag (fftw_complex n)
static double	complex_phi (fftw_complex n)
static void	complex2mag (fftw_complex *in, double *out, int len)
static void	complex2magpow (fftw_complex *in, double *out, int len)
static void	complex2magsqrt (fftw_complex *in, double *out, int len)
static void	complex2magdbv (fftw_complex *in, double *out, int len)
static void	complex2phideg (fftw_complex *in, double *out, int len)
static void	complex2phirad (fftw_complex *in, double *out, int len)
int	dspau_spectrum (double *in, double *out, int dims, int *sizes, int conversion)
	Create a spectrum from a double array of values. More...

Function Documentation

complex2mag()

static void complex2mag ( fftw_complex *  in, double *  out, int  len  )

static

complex2magdbv()

static void complex2magdbv ( fftw_complex *  in, double *  out, int  len  )

static

complex2magpow()

static void complex2magpow ( fftw_complex *  in, double *  out, int  len  )

static

complex2magsqrt()

static void complex2magsqrt ( fftw_complex *  in, double *  out, int  len  )

static

complex2phideg()

static void complex2phideg ( fftw_complex *  in, double *  out, int  len  )

static

complex2phirad()

static void complex2phirad ( fftw_complex *  in, double *  out, int  len  )

static

complex_mag()

static double complex_mag ( fftw_complex  n )

static

complex_phi()

static double complex_phi ( fftw_complex  n )

static

dspau_spectrum()

int dspau_spectrum	(	double *	in,
		double *	out,
		int	dims,
		int *	sizes,
		int	conversion
	)

Create a spectrum from a double array of values.

Parameters

in	the input stream. (input)
out	the output stream. (output)
dims	the number of dimensions of the input stream (input).
sizes	array with the lengths of each dimension of the input stream (input).
conversion	the output magnitude dspau_conversiontype type.

Returns

the output stream if successfull elaboration. NULL if an error is encountered. Return 0 if success. Return -1 if any error occurs.