Spearated into two files due to the dependence on the tuple library.

Minor changes to minmax.hpp (again tuple). --Herve'


[SVN r23309]

libs/algorithm

@@ -1 +1 @@
-Subproject commit cf85da14ede26d845e77907c5aba5a154cc072bf
+Subproject commit e0d1f0692d46937e2d272e402e71372a034db059