tpt_divide_q31.c File Reference

#include "tpt_math.h"
#include "tpt_internal.h"

Include dependency graph for tpt_divide_q31.c:

Macros
#define	NORM_SH   (29)
#define	CST_1   (1L << NORM_SH)
#define	CST_2   (2L * CST_1)
#define	D2QN(F, SH)
#define	GHMUL(X, Y)

Functions
int	tpt_divide_q31 (q31_t *aQuotient, int16_t *aShift, q31_t aNumerator, q31_t aDenominator)
	Fixed point division for q31.

Macro Definition Documentation

CST_1

#define CST_1   (1L << NORM_SH)

CST_2

#define CST_2   (2L * CST_1)

D2QN

#define D2QN	(		F,
			SH )

Value:

((int)((float)F * (float)(1L << SH)))

GHMUL

#define GHMUL	(		X,
			Y )

Value:

((int)(((q63_t)X * Y) >> 32))

NORM_SH

#define NORM_SH   (29)