atanl.c File Reference

#include "../math.h"

Functions
long double	atanl (long double x)
	Compute arc tangent. More...

Function Documentation

atanl()

long double atanl

(

long double

x

)

Compute arc tangent.

The atanl functions compute the principal value of the arc tangent of x.

Parameters

x	Value whose arc tangent is computed.

Returns

The atanl functions return arctan x in the interval [−π /2, +π /2] radians.