="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">@note To save processing time, this version of the filter does not saturate</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">internally, so any resonant peaks are unceremoniously truncated.  It may be</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">worth adding code to constrain the internal variables to enab