ss="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">using</span> rgba64f_pixel_t = pixel&lt;double, rgba_layout_t&gt;;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="keyword">using</span> gray64f_image_t = image&lt;gray64f_pixel_t, false&gt;;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="