The XGC Libraries: C/C++ Libraries for Real-Time Applications
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The atan function

Name

atan --

Synopsis

#include <math.h>

double atan (double x );

Description

The atan function computes the principal value of the arc tangent of x .

Returns

The atan function returns the arc tangent in the range [-pi/2, +pi/2] radians.

See Also

The atan2 function

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The asin function	Up	The atan2 function