From 9d2d94239698c92224bed9b0927a3e7c09b1dad9 Mon Sep 17 00:00:00 2001
From: Markus Blatt <markus@dr-blatt.de>
Date: Fri, 30 Jan 2015 15:26:33 +0100
Subject: [PATCH] Prevent copying of pore volume vector.

---
 opm/autodiff/FullyImplicitBlackoilSolver_impl.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/opm/autodiff/FullyImplicitBlackoilSolver_impl.hpp b/opm/autodiff/FullyImplicitBlackoilSolver_impl.hpp
index 1c57ab9bc..083d13081 100644
--- a/opm/autodiff/FullyImplicitBlackoilSolver_impl.hpp
+++ b/opm/autodiff/FullyImplicitBlackoilSolver_impl.hpp
@@ -1908,8 +1908,7 @@ namespace {
             }
         }
         // Compute total pore volume
-        const V pv = geo_.poreVolume();
-        return pv.sum();
+        return geo_.poreVolume().sum();
     }
 
     template<class T>