функция арктангенса (arc tangent function)
Пролог (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.
Имя (Name)
atanl — arc tangent function
Синопсис (Synopsis)
#include <math.h>
long double atanl(long double x);
Описание (Description)
Refer to atan(3p).
