osal_math.h 文件参考

此图展示该文件直接或间接的被哪些文件引用了:

浏览源代码.

宏定义
#define	osal_max(x, y)
#define	osal_min(x, y)
#define	osal_abs(x)

函数
unsigned long long	osal_div_u64 (unsigned long long dividend, unsigned int divisor)
	Unsigned 64bit divide with 32bit divisor.
long long	osal_div_s64 (long long dividend, int divisor)
	Signed 64bit divide with 32bit divisor.
unsigned long long	osal_div64_u64 (unsigned long long dividend, unsigned long long divisor)
	Unsigned 64bit divide with Unsigned 64bit divisor.
long long	osal_div64_s64 (long long dividend, long long divisor)
	Signed 64bit divide with 64bit divisor.
unsigned long long	osal_div_u64_rem (unsigned long long dividend, unsigned int divisor)
	Unsigned 64bit divide with 32bit divisor with remainder.
long long	osal_div_s64_rem (long long dividend, int divisor)
	Signed 64bit divide with 32bit divisor with remainder.
unsigned long long	osal_div64_u64_rem (unsigned long long dividend, unsigned long long divisor)
	Unsigned 64bit divide with unsigned 64bit divisor with remainder.
unsigned int	osal_get_random_int (void)
	Random number generator.

宏定义说明

osal_abs

#define osal_abs

(

x

)

值:

    ({                                        \
        long ret;                             \
        if (sizeof(x) == sizeof(long)) {      \
            long __x = (x);                   \
            ret = (__x < 0) ? (-__x) : (__x); \
        } else {                              \
            int __x = (x);                    \
            ret = (__x < 0) ? (-__x) : (__x); \
        }                                     \
        ret;                                  \
    })

osal_max

#define osal_max	(		x,
			y
	)

值:

    ({                                 \
        __typeof__(x)_max1 = (x);      \
        __typeof__(y)_max2 = (y);      \
        (void)(&_max1 == &_max2);      \
        _max1 > _max2 ? _max1 : _max2; \
    })

osal_min

#define osal_min	(		x,
			y
	)

值:

    ({                                 \
        __typeof__(x)_min1 = (x);      \
        __typeof__(y)_min2 = (y);      \
        (void)(&_min1 == &_min2);      \
        _min1 < _min2 ? _min1 : _min2; \
    })