smallft.c File Reference

#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "smallft.h"
#include "os.h"
#include "misc.h"

Functions
static void	drfti1 (int n, float *wa, int *ifac)
static void	fdrffti (int n, float *wsave, int *ifac)
static void	dradf2 (int ido, int l1, float *cc, float *ch, float *wa1)
static void	dradf4 (int ido, int l1, float *cc, float *ch, float *wa1, float *wa2, float *wa3)
static void	dradfg (int ido, int ip, int l1, int idl1, float *cc, float *c1, float *c2, float *ch, float *ch2, float *wa)
static void	drftf1 (int n, float *c, float *ch, float *wa, int *ifac)
static void	dradb2 (int ido, int l1, float *cc, float *ch, float *wa1)
static void	dradb3 (int ido, int l1, float *cc, float *ch, float *wa1, float *wa2)
static void	dradb4 (int ido, int l1, float *cc, float *ch, float *wa1, float *wa2, float *wa3)
static void	dradbg (int ido, int ip, int l1, int idl1, float *cc, float *c1, float *c2, float *ch, float *ch2, float *wa)
static void	drftb1 (int n, float *c, float *ch, float *wa, int *ifac)
void	drft_forward (drft_lookup *l, float *data)
void	drft_backward (drft_lookup *l, float *data)
void	drft_init (drft_lookup *l, int n)
void	drft_clear (drft_lookup *l)

Function Documentation

dradb2()

void dradb2 ( int ido, int l1, float * cc, float * ch, float * wa1 )

static

dradb3()

void dradb3 ( int ido, int l1, float * cc, float * ch, float * wa1, float * wa2 )

static

dradb4()

void dradb4 ( int ido, int l1, float * cc, float * ch, float * wa1, float * wa2, float * wa3 )

static

dradbg()

void dradbg ( int ido, int ip, int l1, int idl1, float * cc, float * c1, float * c2, float * ch, float * ch2, float * wa )

static

dradf2()

void dradf2 ( int ido, int l1, float * cc, float * ch, float * wa1 )

static

dradf4()

void dradf4 ( int ido, int l1, float * cc, float * ch, float * wa1, float * wa2, float * wa3 )

static

dradfg()

void dradfg ( int ido, int ip, int l1, int idl1, float * cc, float * c1, float * c2, float * ch, float * ch2, float * wa )

static

drft_backward()

void drft_backward	(	drft_lookup *	l,
		float *	data )

drft_clear()

void drft_clear

(

drft_lookup *

l

)

drft_forward()

void drft_forward	(	drft_lookup *	l,
		float *	data )

drft_init()

void drft_init	(	drft_lookup *	l,
		int	n )

drftb1()

void drftb1 ( int n, float * c, float * ch, float * wa, int * ifac )

static

drftf1()

void drftf1 ( int n, float * c, float * ch, float * wa, int * ifac )

static

drfti1()

void drfti1 ( int n, float * wa, int * ifac )

static

fdrffti()

void fdrffti ( int n, float * wsave, int * ifac )

static