From 868d5866b4b3c60874d9cc4fb877e0b5e00337df Mon Sep 17 00:00:00 2001
From: andy <a.heather@opencfd.co.uk>
Date: Tue, 13 Apr 2010 15:01:08 +0100
Subject: [PATCH] ENH: Use reference instead of copy
---
src/lagrangian/intermediate/particleForces/particleForces.C | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/lagrangian/intermediate/particleForces/particleForces.C b/src/lagrangian/intermediate/particleForces/particleForces.C
index 13f243c1edc..265f9b59ae8 100644
--- a/src/lagrangian/intermediate/particleForces/particleForces.C
+++ b/src/lagrangian/intermediate/particleForces/particleForces.C
@@ -118,7 +118,7 @@ void Foam::particleForces::cacheFields(const bool store)
{
if (store && pressureGradient_)
{
- const volVectorField U = mesh_.lookupObject<volVectorField>(UName_);
+ const volVectorField& U = mesh_.lookupObject<volVectorField>(UName_);
gradUPtr_ = fvc::grad(U).ptr();
}
else
--
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