pan class="special">&gt;</span> <span class="keyword">class</span> <span class="identifier">U</span><span class="special">&gt;</span>
<span class="identifier">U</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;</span> <span class="identifier">sinhc_pi</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">U</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;</span> <span c