From eff835ffee2b241d4506d06667468ae17e8fb1b8 Mon Sep 17 00:00:00 2001
From: andy <andy>
Date: Thu, 15 Mar 2012 18:05:40 +0000
Subject: [PATCH] ENH: switch to ptscotch instead of scotch automatically for
 parallel runs

---
 .../decompositionMethod/decompositionMethod.C             | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/parallel/decompose/decompositionMethods/decompositionMethod/decompositionMethod.C b/src/parallel/decompose/decompositionMethods/decompositionMethod/decompositionMethod.C
index ab18fad6e2..27f1c4fbc0 100644
--- a/src/parallel/decompose/decompositionMethods/decompositionMethod/decompositionMethod.C
+++ b/src/parallel/decompose/decompositionMethods/decompositionMethod/decompositionMethod.C
@@ -46,7 +46,13 @@ Foam::autoPtr<Foam::decompositionMethod> Foam::decompositionMethod::New
     const dictionary& decompositionDict
 )
 {
-    const word methodType(decompositionDict.lookup("method"));
+    word methodType(decompositionDict.lookup("method"));
+
+    if (methodType == "scotch" && Pstream::parRun())
+    {
+        methodType = "ptscotch";
+    }
+
 
     Info<< "Selecting decompositionMethod " << methodType << endl;