logf.c File Reference

#include "../math.h"

Functions
float	logf (float x)
	Compute natural logarithm. More...

Function Documentation

logf()

float logf

(

float

x

)

Compute natural logarithm.

The logf functions compute the base-e (natural) logarithm of x. A domain error occurs if the argument is negative. A pole error may occur if the argument is zero.

Parameters

x	Value whose logarithm is calculated.

Returns

The logf functions return log_e x.