phy_qmath.c File Reference

#include "phy_qmath.h"

Go to the source code of this file.

Macros
#define	LOG_TABLE_SIZE   32 /* log_table size */
#define	LOG2_LOG_TABLE_SIZE   5 /* log2(log_table size) */
#define	Q_LOG_TABLE   15 /* qformat of log_table */
#define	LOG10_2   19728 /* log10(2) in q.16 */

Functions
u16	qm_mulu16 (u16 op1, u16 op2)
s16	qm_muls16 (s16 op1, s16 op2)
s32	qm_add32 (s32 op1, s32 op2)
s16	qm_add16 (s16 op1, s16 op2)
s16	qm_sub16 (s16 op1, s16 op2)
s32	qm_shl32 (s32 op, int shift)
s16	qm_shl16 (s16 op, int shift)
s16	qm_shr16 (s16 op, int shift)
s16	qm_norm32 (s32 op)
void	qm_log10 (s32 N, s16 qN, s16 *log10N, s16 *qLog10N)

Macro Definition Documentation

#define LOG10_2   19728 /* log10(2) in q.16 */

Definition at line 221 of file phy_qmath.c.

#define LOG2_LOG_TABLE_SIZE   5 /* log2(log_table size) */

Definition at line 219 of file phy_qmath.c.

#define LOG_TABLE_SIZE   32 /* log_table size */

Definition at line 218 of file phy_qmath.c.

#define Q_LOG_TABLE   15 /* qformat of log_table */

Definition at line 220 of file phy_qmath.c.

Function Documentation

s16 qm_add16	(	s16	op1,
		s16	op2
	)

Definition at line 70 of file phy_qmath.c.

s32 qm_add32	(	s32	op1,
		s32	op2
	)

Definition at line 53 of file phy_qmath.c.

void qm_log10	(	s32	N,
		s16	qN,
		s16 *	log10N,
		s16 *	qLog10N
	)

Definition at line 242 of file phy_qmath.c.

s16 qm_muls16	(	s16	op1,
		s16	op2
	)

Definition at line 37 of file phy_qmath.c.

u16 qm_mulu16	(	u16	op1,
		u16	op2
	)

Definition at line 24 of file phy_qmath.c.

s16 qm_norm32

(

s32

op

)

Definition at line 167 of file phy_qmath.c.

s16 qm_shl16	(	s16	op,
		int	shift
	)

Definition at line 134 of file phy_qmath.c.

s32 qm_shl32	(	s32	op,
		int	shift
	)

Definition at line 109 of file phy_qmath.c.

s16 qm_shr16	(	s16	op,
		int	shift
	)

Definition at line 158 of file phy_qmath.c.

s16 qm_sub16	(	s16	op1,
		s16	op2
	)

Definition at line 89 of file phy_qmath.c.