Manual Page Result
0
Command: atan | Section: 3 | Source: OpenBSD | File: atan.3
ATAN(3) FreeBSD Library Functions Manual ATAN(3)
NAME
atan, atanf, atanl - arc tangent functions of one variable
SYNOPSIS
#include <math.h>
double
atan(double x);
float
atanf(float x);
long double
atanl(long double x);
DESCRIPTION
The atan() function computes the principal value of the arc tangent of x
in the range [-pi/2, +pi/2]. The atanf() function is a single precision
version of atan(). The atanl() function is an extended precision version
of atan().
SEE ALSO
acos(3), asin(3), atan2(3), cos(3), cosh(3), sin(3), sinh(3), tan(3),
tanh(3)
FreeBSD 14.1-RELEASE-p8 April 26, 2016 FreeBSD 14.1-RELEASE-p8