 uncertainty of 10 %.
        Comparing MSVC for <code class="computeroutput"><span class="keyword">double</span></code> and
        <code class="computeroutput"><span class="keyword">long</span> <span class="keyword">double</span></code>
        (which are identical on this patform) may give a guide to uncertainty of
        timing.
      </p>
<p>
        The requested precision was set as follows:
      </p>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<t