de><br>
natural exponential of x minus 1</p>
<!-- real; fma; (real x, real y, real z); -->
<p></p>
<p><code>real</code> <strong><code>fma</code></strong><code>(real x, real y, real z)</code><br>
Return z plus the result of x multiplied by y. <span class="math display">\[ \text{fma}(x,y,z) =
(x \times y) + z \]</span></p>
<!-- real; multiply_log; (real x, real y); -->
<p></p>
<p><code>real</code> <strong><code>multiply_log</code></strong><code>(real x, real y)</code><br>
<em><strong>Warning:</strong></em> Th