_Q15asinByPI Function

This function finds the arc sine of a Q15 value and then divides by PI (π).

Include

<libq.h>

Prototype

_Q15 _Q15asinByPI(_Q15 x);

Argument

x a fixed-point number in Q15 format, which ranges from -215 to 215-1. The value of this argument ranges from -32768 to 32767.

Return Value

This function returns the arc sine of x, divided by PI, in Q15 format. The value ranges from -16384 to 16303.