           <dd>Returns the sum of a and b.</dd>
            <dt id="aa4059d082d4b5a35069fbb74c734243c">
              <span class="m-doc-wrap-bumper">auto <a href="#aa4059d082d4b5a35069fbb74c734243c" class="m-doc-self">operator-</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1fixed__t.html" class="m-doc">fixed_<wbr />t</a> a,
              <a href="classbn_1_1fixed__t.html" class="m-doc">fixed_<wbr />t</a> b) -&gt; <a href="classbn_1_1fixed__t.html" class="m-doc">fixed_<wbr />t</a> <span class="m-la