OpenEuphoria

atan2

include math.e 
namespace math 
public function atan2(atom y, atom x) 

calculate the arctangent of a ratio.

Parameters:

1. y : an atom, the numerator of the ratio
2. x : an atom, the denominator of the ratio

Returns:

An atom, which is equal to arctan(y/x), except that it can handle zero denominator and is more accurate.

Example 1:

a = atan2(10.5, 3.1) 
-- a is 1.283713958 

See Also:

arctan