__atan2fx
In this section:
Syntax
signed long __atan2fx(signed long y, signed long x);
Description
Calculates the arctangent of the variables y and x , using the fixed-point Arithmetic Unit for Trigonometric Functions (TFU).
Note
To use intrinsic functions in an application, you must include the header file(s) where they are declared, see Summary of intrinsic functions.