Index: src/libcfa/time
===================================================================
--- src/libcfa/time	(revision 82df4303ac7c4980fa501dbffdb80dd823360d3f)
+++ src/libcfa/time	(revision 59c034c60dc140fa869761785dbeccbd2624f249)
@@ -1,10 +1,10 @@
-// 
+//
 // Cforall Version 1.0.0 Copyright (C) 2018 University of Waterloo
 //
 // The contents of this file are covered under the licence agreement in the
 // file "LICENCE" distributed with Cforall.
-// 
-// time -- 
-// 
+//
+// time --
+//
 // Author           : Peter A. Buhr
 // Created On       : Wed Mar 14 23:18:57 2018
@@ -12,5 +12,5 @@
 // Last Modified On : Sat Apr 14 17:48:23 2018
 // Update Count     : 636
-// 
+//
 
 #pragma once
@@ -91,4 +91,7 @@
 static inline int64_t ?`w( Duration dur ) { return dur.tv / (7LL * 24LL * 60LL * 60LL * TIMEGRAN); }
 
+static inline Duration max( Duration lhs, Duration rhs ) { return  (lhs.tv < rhs.tv) ? rhs : lhs;}
+static inline Duration min( Duration lhs, Duration rhs ) { return !(rhs.tv < lhs.tv) ? lhs : rhs;}
+
 
 //######################### C timeval #########################