an class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">1</span>,<span class="fl">2</span><span class="op">)</span>,<span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">1</span>,<span class="fl">1</span><span class="op">)</span><span class="op">+</span><span class="fl">2</span><span class="op">)</span>,<span class="fl">50</span>,alpha<span class="op">=</sp