true</code>, it will be taken from <em class="parameter"><code>y</code></em>. Components of <em class="parameter"><code>x</code></em>
                        and <em class="parameter"><code>y</code></em> that are not selected are allowed to be invalid floating point values and will have no effect
                        on the results.
        </p>
      </div>

      <div class="refsect1" id="versions">
        <h2>Version Support</h2>
        <div class="informaltable">
          <table style="border-coll