s="keywordtype">int</span> num_samples, <span class="keywordtype">double</span> (*ds_inputs)[7],</div>
<div class="line">                                  <span class="keywordtype">double</span> (*ds_cnt_feats)[8], <span class="keywordtype">string</span> filename) {</div>
<div class="line">  stringbuf buf;</div>
<div class="line">  ostream os(&amp;buf);</div>
<div class="line">  <span class="keywordtype">int</span> os_width = 24;</div>
<div class="line">  os.setf(ios::scientific);</div>
<div class="line">  