log2.c File Reference

#include "../math.h"

Functions
double	log2 (double x)
	Compute 2 based logarithm. More...

Function Documentation

log2()

double log2

(

double

x

)

Compute 2 based logarithm.

The log2 functions compute the base-2 logarithm of x. A domain error occurs if the argument is less than zero. A pole error may occur if the argument is zero.

Parameters

x	Value whose logarithm is calculated.

Returns

The log2 functions return log_2 x.