op_dsp16_sqrt_at32uc.c File Reference

#include "dsp.h"
#include "preprocessor.h"

Macros
#define	ASM_INSTRUCT_COMPACKED(str)   str
#define	ASM_INSTRUCT_EXTENDED(str)   str
#define	CST_ZERO   "%[CST_ZERO__]"
#define	DSP16_SQRT_NEWTON_ITERATION(x_num, data)
#define	DSP16_SQRT_ONE_POINT_FIVE   (3 << (DSP16_QB-1))

Functions
dsp16_t	dsp16_op_sqrt (dsp16_t num)
	avr32-uc3 16 bit version More...

#define ASM_INSTRUCT_COMPACKED

(

str

)

str

Referenced by dsp16_op_sqrt().

#define ASM_INSTRUCT_EXTENDED

(

str

)

str

#define CST_ZERO   "%[CST_ZERO__]"

Referenced by dsp16_op_sqrt().

#define DSP16_SQRT_NEWTON_ITERATION	(		x_num,
			data
	)

Value:

"mul    r1, r0, r0\n\t" \
  "mul    r1, r12, r1\n\t" \
  "lsr    r1, r1, "ASTRINGZ(DSP16_QB+1)"\n\t" \
  "sub    r1, r2, r1\n\t" \
  "mul    r0, r0, r1\n\t" \
  "lsr    r0, r0, "ASTRINGZ(DSP16_QB)"\n\t"

Referenced by dsp16_op_sqrt().

#define DSP16_SQRT_ONE_POINT_FIVE   (3 << (DSP16_QB-1))

Referenced by dsp16_op_sqrt().