log

Classes
struct	etl::log< N, BASE >
struct	etl::log2< N >
struct	etl::log10< N >

Enumerations
enum	value_type { value = (N >= BASE) ? 1 + log<N / BASE, BASE>::value : 0 }
enum	value_type { value = log<N, 2>::value }
enum	value_type { value = log<N, 10>::value }

Detailed Description

log<N, BASE> : Calculates logs to any base, rounded down to the nearest integer.
log2<N> : Calculates logs to base 2, rounded down to the nearest integer.
log10<N> : Calculates logs to base 10, rounded down to the nearest integer.