Float 24

Custom numeric library for integer calculation with high correlation to float. More...

Data Structures
struct	nrf_dsp_f24_s
	Container for Float24 representation. More...

Macros
#define	NRF_DSP_F24_SIGNED   0x40
#define	NRF_DSP_F24_UNSIGNED   0
#define	NRF_DSP_F24_SIGN(x)
#define	f24_init   nrf_dsp_f24_init
#define	i16_to_f24   nrf_dsp_i16_to_f24
#define	i8_to_f24   nrf_dsp_i8_to_f24
#define	f24_to_i32   nrf_dsp_f24_to_i32
#define	f24_mul   nrf_dsp_f24_mul
#define	f24_add   nrf_dsp_f24_add
#define	f24_addx   nrf_dsp_f24_addx
#define	f24_div   nrf_dsp_f24_div
#define	f24_sqrt   nrf_dsp_f24_sqrt
#define	f24_get_exp   nrf_dsp_f24_get_exp

Typedefs
typedef struct nrf_dsp_f24_s	nrf_dsp_f24_t
	Container for Float24 representation.

Functions
nrf_dsp_f24_t	nrf_dsp_i16_to_f24 (int16_t x)
	Convert INT16 to Float24.
nrf_dsp_f24_t	nrf_dsp_i8_to_f24 (int8_t x)
	Convert INT8 to Float24.
int32_t	nrf_dsp_f24_to_i32 (nrf_dsp_f24_t x, int8_t required_exp)
	Convert Float24 to INT32 value.
nrf_dsp_f24_t	nrf_dsp_f24_mul (nrf_dsp_f24_t x, nrf_dsp_f24_t y)
	Float24 multiplication (x * y) -> z.
nrf_dsp_f24_t	nrf_dsp_f24_add (nrf_dsp_f24_t x, nrf_dsp_f24_t y)
	Float24 addition (x + y) -> z.
nrf_dsp_f24_t	nrf_dsp_f24_div (nrf_dsp_f24_t x, nrf_dsp_f24_t y)
	Float24 division (x / y) -> z.
nrf_dsp_f24_t	nrf_dsp_f24_sqrt (nrf_dsp_f24_t x)
	Float24 square root (sqrt(x)) -> z.
nrf_dsp_f24_t	nrf_dsp_f24_init (uint16_t mantissa, int8_t exp, uint8_t sign)
	Initialize Float24 value from metainformaton.
nrf_dsp_f24_t	nrf_dsp_f24_addx (uint16_t x_man, int8_t x_exp, uint8_t x_sign, uint16_t y_man, int8_t y_exp, uint8_t y_sign)
	Extended Float24 addition function (x + y) -> z.
const uint8_t *	nrf_dsp_f24_get_highbit_helper (void)
	Get a pointer to an internal utility array [0-255] to help figure out how many bits is occupied in byte.
__NRF_DSP_STATIC_FORCEINLINE int8_t	nrf_dsp_f24_get_exp (nrf_dsp_f24_t x)
	Get exponent of Float24 value.

Detailed Description

Custom numeric library for integer calculation with high correlation to float.