atanl man page

Prolog

This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

atanl — arc tangent function

Synopsis

#include <math.h>

long double atanl(long double x);

Description

Refer to atan().

Info

2013 IEEE/The Open Group POSIX Programmer's Manual