# HG changeset patch
# User Peter Kovacs <kpeter@inf.elte.hu>
# Date 2010-02-09 23:29:51
# Node ID a7e93de12cbda2267756b130476b8e84572002bf
# Parent  f903263902f6831f14205dab9f1d00cb5275e171

Add a warning about huge capacities in Preflow (#319)

diff --git a/lemon/preflow.h b/lemon/preflow.h
--- a/lemon/preflow.h
+++ b/lemon/preflow.h
@@ -113,6 +113,9 @@
   /// the maximum flow value and the minimum cut is obtained. The
   /// second phase constructs a feasible maximum flow on each arc.
   ///
+  /// \warning This implementation cannot handle infinite or very large
+  /// capacities (e.g. the maximum value of \c CAP::Value).
+  ///
   /// \tparam GR The type of the digraph the algorithm runs on.
   /// \tparam CAP The type of the capacity map. The default map
   /// type is \ref concepts::Digraph::ArcMap "GR::ArcMap<int>".