table Namespace Reference

Functions
template<std::unsigned_integral T>
constexpr int	popcnt (T n)

Variables
static constexpr auto	t

Function Documentation

popcnt()

template<std::unsigned_integral T>

int table::popcnt ( T n )

constexpr

Variable Documentation

t

auto table::t

staticconstexpr

Initial value:

= [] {
    std::array<int, 1 << CHAR_BIT> t;
    for(unsigned i = 0; i != t.size(); ++i)
        t[i] = std::popcount(i);
    return t;
}()