leading_zero_bits.hpp

#ifndef PASTELSYS_LEADING_ZERO_BITS_HPP
#define PASTELSYS_LEADING_ZERO_BITS_HPP

#include "pastel/sys/bit/zero_higher_bits.h"
#include "pastel/sys/math/logarithm.h"

namespace Pastel
{

    template <typename Finite_Integer>
    integer leadingZeroBits(const Finite_Integer& that)
    {
        if (zero(that))
        {
            return bits(that);
        }

        return integerLog2(zeroHigherBits(that));
    }

}

#endif