r addition is greater than</span>
<span class="w">                                            </span><span class="c">! for multiplication</span>
<span class="w">   </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">iy</span><span class="w"> </span><span class="p">.</span><span class="n">lt</span><span class="p">.</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="n">iy</span><span class="w"> </span>