</a><span class="lineno">   71</span>&#160;<span class="keyword">using</span> gray_alpha64f_planar_image_t = image&lt;gray_alpha64f_pixel_t, true&gt;;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="preprocessor">#endif // BOOST_GIL_IO_ENABLE_GRAY_ALPHA</span></div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00