identifier">boost</span><span class="special">/</span><span class="identifier">numeric</span><span class="special">/</span><span class="identifier">conversion</span><span class="special">/</span><span class="identifier">cast</span><span class="special">.</span><span class="identifier">hpp</span></code>
          now). That old function which existed in boost for quite some time used
          the <code class="computeroutput"><span class="identifier">bad_numeric_cast</span></code> as
          its exception 