reviousDerivative = 0.0d0</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        this%m_previousOutput = 0.0d0</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        this%m_previousSignal = 0.0d0</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        this%m_previousTime = 0.0d0</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keyword">end subrouti