log2l.c File Reference

#include "../math.h"

Functions
long double	log2l (long double x)
	Compute 2 based logarithm. More...

Function Documentation

log2l()

long double log2l

(

long double

x

)

Compute 2 based logarithm.

The log2l 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 log2l functions return log_2 x.