ment</dd>
<dt class="col-md-4"> <samp>channel(</samp>...<samp>)</samp></dt><dd class="col-md-8">supports from zero to five arguments, e.g., channel(0.1) sets the first channel to 0.1 and zero's the other channels.</dd>
<dt class="col-md-4"> <samp>clamp(</samp><var>x</var><samp>)</samp></dt><dd class="col-md-8"> clamp value</dd>
<dt class="col-md-4"> <samp>cos(</samp><var>x</var><samp>)</samp></dt><dd class="col-md-8"> cosine function</dd>
<dt class="col-md-4"> <samp>cosh(</samp><var>x</var><samp>)</samp></d