5.3.100 _Q31sqrt Function

This function finds the square root of a Q31 value.

Include

<libq.h>

Prototype

_Q31 _Q31sqrt(_Q31 x);

Argument

x a fixed-point number in Q31 format, which ranges from -231 to 231-1. The value of this argument ranges from 1 to 2147483647.

Return Value

This function returns the square root of x in Q31 format. The value ranges from 1 to 2147483647.