t&gt;(g)); <span class="comment">// m = 1 - g</span></div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        dst_t <span class="keyword">const</span> y = <a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(channel_convert&lt;dst_t&gt;(b)); <span class="comment">// y = 1 - b</span></div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        dst_t <span class="keyword">const</span> 