onst</span> <span class="identifier">fp_nan</span> <span class="special">=</span> <span class="comment">/*unspecified*/</span><span class="special">;</span>

<span class="comment">// Classification functions</span>

<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span> <span class="keyword">bool</span> <span class="identifier">isfinite</span><span class="special">(</span> <span class="identi