catan()

Computes the arc value of tangent.

#include <math.h> 
  double complex catan(double complex x); 
   float complex catanf(float complex x); 
    long double complex catanl(long double complex x);

Parameter

x

A complex value.

Remarks

These functions return the arctangent of the argument x, in radians.

This facility may not be available on configurations of the EWL that run on platforms that do not have floating-point math capabilities.