des the radix base, the minimum and maximum number of
          allowable digits, the exponent, the fraction etc. Policies control the
          real number parsers' behavior. There are some predefined policies covering
          the most common real number formats but the user can supply her own when
          needed.
        </p>
<p>
          The numeric parsers are fine tuned (employing loop unrolling and extensive
          template metaprogramming) with exceptional performance that rivals the
        