is_pow2.h File Reference

Check if a number is a power of two. More...

#include <stdlib.h>

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Macros
#define	IS_POW2(X)
	compile time is_pow2.

Functions
static size_t	is_pow2 (const size_t x)
	Check if a number is a power of two.

Detailed Description

Check if a number is a power of two.

Macro Definition Documentation

IS_POW2

#define IS_POW2

(

X

)

Value:

((X) != 0 && ((X) & ((X) - 1)) == 0)

compile time is_pow2.

Function Documentation

is_pow2()

static size_t is_pow2 ( const size_t x )

inlinestatic

Check if a number is a power of two.

Parameters

[in]

x

The number at hand.

Returns

A boolean value indicating whether the number is a power of two.