fn() log2Computes floored logarithm of base 2 for integer types
Computes floored logarithm of base 2 for integer types
Defined in  <seqan/basic.h> 

Signature 
unsigned log2(i);

Parameters
i

An integer type. 

Return Values
unsigned 
The largest integer smaller or equal than the logarithm of i. 

Data Races
If not stated otherwise, concurrent invocation is not guaranteed to be threadsafe.