/Users/richardeakin/projects/libsms/trunk/src/OOURA.c File Reference

#include "OOURA.h"
#include "math.h"

Include dependency graph for OOURA.c:

Functions
void	rdft (int n, int isgn, sfloat *a, int *ip, sfloat *w)
void	makewt (int nw, int *ip, sfloat *w)
void	makect (int nc, int *ip, sfloat *c)
void	bitrv2 (int n, int *ip, sfloat *a)
void	cftfsub (int n, sfloat *a, sfloat *w)
void	cftbsub (int n, sfloat *a, sfloat *w)
void	cft1st (int n, sfloat *a, sfloat *w)
void	cftmdl (int n, int l, sfloat *a, sfloat *w)
void	rftfsub (int n, sfloat *a, int nc, sfloat *c)
void	rftbsub (int n, sfloat *a, int nc, sfloat *c)

---

Function Documentation

void bitrv2	(	int	n,
		int *	ip,
		sfloat *	a
	)

References sfloat.

Referenced by makewt(), and rdft().

void cft1st	(	int	n,
		sfloat *	a,
		sfloat *	w
	)

References sfloat.

Referenced by cftbsub(), and cftfsub().

void cftbsub	(	int	n,
		sfloat *	a,
		sfloat *	w
	)

References cft1st(), cftmdl(), and sfloat.

Referenced by rdft().

Here is the call graph for this function:

void cftfsub	(	int	n,
		sfloat *	a,
		sfloat *	w
	)

References cft1st(), cftmdl(), and sfloat.

Referenced by rdft().

Here is the call graph for this function:

void cftmdl	(	int	n,
		int	l,
		sfloat *	a,
		sfloat *	w
	)

References sfloat.

Referenced by cftbsub(), and cftfsub().

void makect	(	int	nc,
		int *	ip,
		sfloat *	c
	)

References sfloat.

Referenced by rdft().

void makewt	(	int	nw,
		int *	ip,
		sfloat *	w
	)

References bitrv2(), and sfloat.

Referenced by rdft().

Here is the call graph for this function:

void rdft	(	int	n,
		int	isgn,
		sfloat *	a,
		int *	ip,
		sfloat *	w
	)

Todo:

(optimize) replace math.h trig functions (table lookup?)

References bitrv2(), cftbsub(), cftfsub(), makect(), makewt(), rftbsub(), rftfsub(), and sfloat.

Referenced by sms_fft(), and sms_ifft().

Here is the call graph for this function:

void rftbsub	(	int	n,
		sfloat *	a,
		int	nc,
		sfloat *	c
	)

References sfloat.

Referenced by rdft().

void rftfsub	(	int	n,
		sfloat *	a,
		int	nc,
		sfloat *	c
	)

References sfloat.

Referenced by rdft().