(res &gt; 1) indicate that the result should be more precise, since it will
 be zoomed up, and small errors will be magnified.<br>
 Smaller values (0 <span class="invalid-tag">invalid input: '&lt;'</span> res <span class="invalid-tag">invalid input: '&lt;'</span> 1) indicate that the result can be less precise, since it will
 be zoomed down, and small errors may be invisible.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int<