     Improve mixed argument handling in <code class="computeroutput"><span class="identifier">float_next</span></code>.
        </li>
<li class="listitem">
          Correct behaviour of <code class="computeroutput"><span class="identifier">ellint_2</span></code>
          when <code class="computeroutput"><span class="identifier">k</span> <span class="special">=</span>
          <span class="number">1</span></code>. See <a href="https://github.com/boostorg/math/issues/321" target="_top">#321</a>.
        <