an class="special">::</span><span class="identifier">policy</span><span class="special">&lt;&gt;</span> <span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">gauss</span>
<span class="special">{</span>
   <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">RandomAccessContainer</span><span class="special">&amp;</span> <span class="identifier">abscissa</span><span class="special">();</span>
   <span class="keyword">static</s