n> <span class="keywordtype">double</span> fx(<span class="keywordtype">double</span> <a name="a0"></a><a class="code" href="wellrng_8c.html#a676e0da0ef83bbbdf42538e54b97506b">x</a>);</div><div class="line"></div><div class="line"><span class="keyword">struct </span>my_data {</div><div class="line">  <span class="keywordtype">double</span> <a class="code" href="wellrng_8c.html#a676e0da0ef83bbbdf42538e54b97506b">x</a>[XSAMPLES];</div><div class="line">  <span class="keywordtype">double</span> ry[XSAMPLES];</