LWG2444 Inconsistent complexity for std::sort_heap

Author: Dawn Perchik

source/algorithms.tex

@@ -4977,7 +4977,7 @@
 
 \pnum
 \complexity
-At most $N \log N$
+At most $2N \log N$
 comparisons, where
 $N = \tcode{last - first}$.
 \end{itemdescr}