ss="identifier">Traits</span><span class="special">,</span> <span class="identifier">F</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">detail</span><span class="special">::</span><span class="identifier">is_inexact</span><span class="special">&lt;</span> <span class="identifier">F</span> <span class="special">&gt;</