From 9fbc1db5eebac6c0e4885ddca4390a3e7fa27325 Mon Sep 17 00:00:00 2001
From: Katherina Baber <katherina.baber@gmail.com>
Date: Fri, 8 Oct 2010 07:45:52 +0000
Subject: [PATCH] added a function residualReference() that returns the
 residual as reference

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@4397 2fb0f335-1f38-0410-981e-8018bf24f1b0
---
 dumux/boxmodels/common/boxlocalresidual.hh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dumux/boxmodels/common/boxlocalresidual.hh b/dumux/boxmodels/common/boxlocalresidual.hh
index 13f530a21b..08fc4ac55f 100644
--- a/dumux/boxmodels/common/boxlocalresidual.hh
+++ b/dumux/boxmodels/common/boxlocalresidual.hh
@@ -237,6 +237,13 @@ public:
     const PrimaryVariables residual(int scvIdx) const
     { return residual_[scvIdx]; }
 
+    /*!
+     * \brief Returns the local residual for a given sub-control
+     *        volume of the element - as a reference!
+     */
+    PrimaryVariables& residualReference(int scvIdx)
+    { return residual_[scvIdx]; }
+
 protected:
     Implementation &asImp_()
     { return *static_cast<Implementation*>(this); }
-- 
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