span>
<span class="c">!        code for unequal increments or equal increments</span>
<span class="c">!          not equal to 1</span>
<span class="c">!</span>
<span class="w">         </span><span class="n">ix</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="w"></span>
<span class="w">         </span><span class="n">iy</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="w"></sp