_Q15log10 Function

This function finds the log (base 10) of a Q15 value.

Include

<libq.h>

Prototype

_Q15 _Q15log10(_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 3277 to 32767.

Return Value

This function returns the log of x in Q15 format. The value ranges from -32768 to 0.