dsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"%identity"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;(&nbsp;+.&nbsp;)&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"%addfloat"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;(&nbsp;-.&nbsp;)&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;<span class="keywor