dp20680224-bb"><span class="identifier">algebra</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">algebra_type</span> <span class="special">&amp;</span> <a class="link" href="runge_kutta4_classic.html#idp20681152-bb"><span class="identifier">algebra</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>

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