ised to the power of y. <span class="math display">\[ \text{pow}(x,y) = x^y \]</span></p>
<!-- R; inv; (T x); -->
<p></p>
<p><code>R</code> <strong><code>inv</code></strong><code>(T x)</code><br>
inverse of x</p>
<!-- R; inv_sqrt; (T x); -->
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<p><code>R</code> <strong><code>inv_sqrt</code></strong><code>(T x)</code><br>
inverse of the square root of x</p>
<!-- R; inv_square; (T x); -->
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<p><code>R</code> <strong><code>inv_square</code></strong><code>(T x)</code><br>
inverse of the square of x<