5.3.90 _Q31norm Function
This function finds the normalized value of a Q31 value.
Include
<libq.h>
Prototype
_Q31 _Q31norm(_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 -2147483648 to 2147483647. |
Return Value
This function returns the square root of x in Q31 format. The value
ranges from 1073741824 to -2147483647 for a positive number and -2147483648 to
-1073741824 for a negative number.