# FX_Atan2

## C Specification

      #include <nitro/fx/fx_trig.h>

      fx16 FX_Atan2( fx32 y, fx32 x );

## Arguments

y | An `fx32` format fixed-point decimal.
x | An `fx32` format fixed-point decimal.

## Return Values

Arctangent of y/x

## Description

This finds the arctangent of `y`/`x`. The result that it returns is an `fx16` type in radian units. Internally, a table is referenced.

## See Also

`FX_Atan, FX_AtanIdx, FX_Atan2Idx`

## Revision History

01/19/2004 Initial version.

CONFIDENTIAL