Finally adding the minmax library. Still allowing overlap with header

minmax.hpp from Eric Niebler, which should be resolved soon. --Herve'


[SVN r23225]

minmax/example/minmax_ex.cpp

@@ -0,0 +1,23 @@
+#include <list>
+#include <algorithm>
+#include <cstdlib>
+#include <cassert>
+#include <iostream>
+
+#include <boost/minmax.hpp>
+
+int main()
+{
+  using namespace std;
+  list<int> L;
+  generate_n(front_inserter(L), 1000, rand);
+
+  typedef list<int>::const_iterator iterator;
+  pair< iterator, iterator > result = boost::minmax_element(L.begin(), L.end());
+
+  cout << "The smallest element is " << *(result.first) << endl;
+  cout << "The largest element is  " << *(result.second) << endl;
+
+  assert( result.first  == std::min_element(L.begin(), L.end()) );
+  assert( result.second == std::max_element(L.begin(), L.end()) );
+}