5.3.40 _Q16atanByPI Function

This function finds the arc tangent of a Q16 value and then divides by PI (π).

Include

<libq.h>

Prototype

_Q16 _Q16atanByPI(_Q16 x);

Argument


`x`	a fixed-point number in Q16 format. The value of this argument ranges from -2147483648 to 2147483647.

Return Value

This function returns the arc tangent of x, divided by PI, in Q16 format. The value ranges from -2147483648 to 2147483647.