dos_atan - dalefugier/DOSLib GitHub Wiki

Calculates the arctangent (inverse tangent) of a number.

Syntax

(dos_atan number)

Parameters

number

The number.

Returns

The arctangent of the number in the range [–π/2, π/2] radians, if successful.

nil on error.

Example

Command: (dos_atan 0.0)
0
Command: (dos_atan 1.0)
0.785398