/space/home/slher/rel/Beken/v6_4_5/macsw/modules/common/src/co_math.h File Reference

Common optimized math functions. More...

#include "co_int.h"
#include "co_bool.h"
#include "co_bit.h"
#include <stdlib.h>
#include "compiler.h"

Go to the source code of this file.

Defines
#define	CO_ALIGN4_HI(val)   (((val)+3)&~3)
	Align val on the multiple of 4 equal or nearest higher.
#define	CO_ALIGNx_HI(val, x)   (((val)+((x)-1))&~((x)-1))
	Align val on the multiple of a given number equal or nearest higher.
#define	CO_ALIGN4_LO(val)   ((val)&~3)
	Align val on the multiple of 4 equal or nearest lower.
#define	CO_ALIGN2_HI(val)   (((val)+1)&~1)
	Align val on the multiple of 2 equal or nearest higher.
#define	CO_ALIGN2_LO(val)   ((val)&~1)
	Align val on the multiple of 2 equal or nearest lower.
Functions
__INLINE uint32_t	co_clz (uint32_t val)
	Count leading zeros.
__INLINE void	co_random_init (uint32_t seed)
	Function to initialize the random seed.
__INLINE uint8_t	co_rand_byte (void)
	Function to get an 8 bit random number.
__INLINE uint16_t	co_rand_hword (void)
	Function to get an 16 bit random number.
__INLINE uint32_t	co_rand_word (void)
	Function to get an 32 bit random number.
__INLINE uint32_t	co_min (uint32_t a, uint32_t b)
	Function to return the smallest of 2 unsigned 32 bits words.
__INLINE uint32_t	co_max (uint32_t a, uint32_t b)
	Function to return the greatest of 2 unsigned 32 bits words.
__INLINE int	co_abs (int val)
	Function to return the absolute value of a signed integer.
uint32_t	co_crc32 (uint32_t addr, uint32_t len, uint32_t crc)
	Compute a CRC32 on the buffer passed as parameter.

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Detailed Description

Common optimized math functions.

Copyright (C) RivieraWaves 2011-2019

Definition in file co_math.h.