math_extras_impl.h File Reference

Inline implementation of functions declared in math_extras.h. More...

#include <toolchain.h>

Go to the source code of this file.

Macros
#define	use_builtin(x)   HAS_BUILTIN(x)

Functions
static bool	u16_add_overflow (uint16_t a, uint16_t b, uint16_t *result)
static bool	u32_add_overflow (uint32_t a, uint32_t b, uint32_t *result)
static bool	u64_add_overflow (uint64_t a, uint64_t b, uint64_t *result)
static bool	size_add_overflow (size_t a, size_t b, size_t *result)
static bool	u16_mul_overflow (uint16_t a, uint16_t b, uint16_t *result)
static bool	u32_mul_overflow (uint32_t a, uint32_t b, uint32_t *result)
static bool	u64_mul_overflow (uint64_t a, uint64_t b, uint64_t *result)
static bool	size_mul_overflow (size_t a, size_t b, size_t *result)
static int	u32_count_leading_zeros (uint32_t x)
static int	u64_count_leading_zeros (uint64_t x)
static int	u32_count_trailing_zeros (uint32_t x)
static int	u64_count_trailing_zeros (uint64_t x)

Detailed Description

Inline implementation of functions declared in math_extras.h.

Macro Definition Documentation

use_builtin

#define use_builtin

(

x

)

HAS_BUILTIN(x)

Function Documentation

size_add_overflow()

static bool size_add_overflow ( size_t  a, size_t  b, size_t *  result  )

inlinestatic

size_mul_overflow()

static bool size_mul_overflow ( size_t  a, size_t  b, size_t *  result  )

inlinestatic

u16_add_overflow()

static bool u16_add_overflow ( uint16_t  a, uint16_t  b, uint16_t *  result  )

inlinestatic

u16_mul_overflow()

static bool u16_mul_overflow ( uint16_t  a, uint16_t  b, uint16_t *  result  )

inlinestatic

u32_add_overflow()

static bool u32_add_overflow ( uint32_t  a, uint32_t  b, uint32_t *  result  )

inlinestatic

u32_count_leading_zeros()

static int u32_count_leading_zeros ( uint32_t  x )

inlinestatic

u32_count_trailing_zeros()

static int u32_count_trailing_zeros ( uint32_t  x )

inlinestatic

u32_mul_overflow()

static bool u32_mul_overflow ( uint32_t  a, uint32_t  b, uint32_t *  result  )

inlinestatic

u64_add_overflow()

static bool u64_add_overflow ( uint64_t  a, uint64_t  b, uint64_t *  result  )

inlinestatic

u64_count_leading_zeros()

static int u64_count_leading_zeros ( uint64_t  x )

inlinestatic

u64_count_trailing_zeros()

static int u64_count_trailing_zeros ( uint64_t  x )

inlinestatic

u64_mul_overflow()

static bool u64_mul_overflow ( uint64_t  a, uint64_t  b, uint64_t *  result  )

inlinestatic