umeric_limits</code> is correct (if needed). Now you can use
  your brand new interval type.</p>

  <h2>Some Examples</h2>

  <h3>Solving systems</h3>

  <p>If you use the interval library in order to solve equation and
  inequation systems by bisection, something like
  <code>boost::interval&lt;double&gt;</code> is probably what you need. The
  computations are precise, and they may be fast if enclosed in a protected
  rounding mode block (see the <a href="rounding.htm#perf">performance</a>
  section). The