From 235c81be61d141201c27230607fd1e83387ccc53 Mon Sep 17 00:00:00 2001
From: Jeremiah Willcock
-Complexity
+Complexity
Minmax performs a single comparison and is otherwise of constant complexity.
The use of boost::tuple<T const&> prevents copy
constructors in case the arguments are passed by reference.
@@ -438,7 +438,7 @@ comparisons).
The minmax algorithms are useful in computing the extent of a range.