osal_math

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.

详细描述

函数说明

osal_div64_s64()

long long osal_div64_s64	(	long long	dividend,
		long long	divisor
	)

Signed 64bit divide with 64bit divisor.

Description:

Signed 64bit divide with 64bit divisor.

参数

dividend	[in] signed 64bit dividend.
divisor	[in] signed 64bit divisor.

返回

Returns dividend / divisor.

注意

Caller should ensure divisor not be zero

Support System:

linux liteos.

osal_div64_u64()

unsigned long long osal_div64_u64	(	unsigned long long	dividend,
		unsigned long long	divisor
	)

Unsigned 64bit divide with Unsigned 64bit divisor.

Description:

Unsigned 64bit divide with Unsigned 64bit divisor.

参数

dividend	[in] unsigned 64bit dividend.
divisor	[in] unsigned 64bit divisor.

返回

Returns dividend / divisor.

注意

Caller should ensure divisor not be zero

Support System:

linux liteos.

osal_div64_u64_rem()

unsigned long long osal_div64_u64_rem	(	unsigned long long	dividend,
		unsigned long long	divisor
	)

Unsigned 64bit divide with unsigned 64bit divisor with remainder.

Description:

Unsigned 64bit divide with unsigned 64bit divisor with remainder.

参数

dividend	[in] unsigned 64bit dividend.
divisor	[in] unsigned 64bit divisor.

返回

Returns the remainder of dividend / divisor.

注意

Caller should ensure divisor not be zero

Support System:

linux liteos.

osal_div_s64()

long long osal_div_s64	(	long long	dividend,
		int	divisor
	)

Signed 64bit divide with 32bit divisor.

Description:

Signed 64bit divide with 32bit divisor.

参数

dividend	[in] signed 64bit dividend.
divisor	[in] signed 32bit divisor.

返回

Returns dividend / divisor.

注意

Caller should ensure divisor not be zero

Support System:

linux liteos.

osal_div_s64_rem()

long long osal_div_s64_rem	(	long long	dividend,
		int	divisor
	)

Signed 64bit divide with 32bit divisor with remainder.

Description:

Signed 64bit divide with 32bit divisor with remainder.

参数

dividend	[in] signed 64bit dividend.
divisor	[in] signed 32bit divisor.

返回

Returns the remainder of dividend / divisor.

注意

Caller should ensure divisor not be zero

Support System:

linux liteos.

osal_div_u64()

unsigned long long osal_div_u64	(	unsigned long long	dividend,
		unsigned int	divisor
	)

Unsigned 64bit divide with 32bit divisor.

Description:

Unsigned 64bit divide with 32bit divisor.

参数

dividend	[in] unsigned 64bit dividend.
divisor	[in] unsigned 32bit divisor.

返回

Returns dividend / divisor.

注意

Caller should ensure divisor not be zero

Support System:

linux liteos.

osal_div_u64_rem()

unsigned long long osal_div_u64_rem	(	unsigned long long	dividend,
		unsigned int	divisor
	)

Unsigned 64bit divide with 32bit divisor with remainder.

Description:

Unsigned 64bit divide with 32bit divisor with remainder.

参数

dividend	[in] unsigned 64bit dividend.
divisor	[in] unsigned 32bit divisor.

返回

Returns the remainder of dividend / divisor.

注意

Caller should ensure divisor not be zero

Support System:

linux liteos.

osal_get_random_int()

unsigned int osal_get_random_int

(

void

)

Random number generator.

Description:

Random number generator.

返回

Returns random number.

Support System:

linux liteos.