0</span><span class="op">:</span><span class="fl">10</span><span class="op">)</span>;</span></span>
<span class="r-in"><span><span class="va">xPlus10</span> <span class="op">&lt;-</span> <span class="fu">warpAroundZero</span><span class="op">(</span><span class="va">x</span>, lens<span class="op">=</span><span class="fl">10</span><span class="op">)</span>;</span></span>
<span class="r-in"><span><span class="va">xMinus10</span> <span class="op">&lt;-</span> <span class="fu">warpAroundZero</span><span class="