From bf19a3c70793cc071b04590d7608518f51978688 Mon Sep 17 00:00:00 2001
From: mattijs <mattijs@hunt.opencfd.co.uk>
Date: Mon, 30 Mar 2009 11:05:59 +0100
Subject: [PATCH] synchronisation at start of loop

---
 .../meshRefinement/meshRefinementBaffles.C    | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/autoMesh/autoHexMesh/meshRefinement/meshRefinementBaffles.C b/src/autoMesh/autoHexMesh/meshRefinement/meshRefinementBaffles.C
index c5941aeadc..e154576ad9 100644
--- a/src/autoMesh/autoHexMesh/meshRefinement/meshRefinementBaffles.C
+++ b/src/autoMesh/autoHexMesh/meshRefinement/meshRefinementBaffles.C
@@ -1212,6 +1212,17 @@ void Foam::meshRefinement::findCellZoneTopo
     // by changing cell zone every time we cross a surface.
     while (true)
     {
+        // Synchronise regionToCellZone.
+        // Note:
+        // - region numbers are identical on all processors
+        // - keepRegion is identical ,,
+        // - cellZones are identical ,,
+        // This done at top of loop to account for geometric matching
+        // not being synchronised.
+        Pstream::listCombineGather(regionToCellZone, maxEqOp<label>());
+        Pstream::listCombineScatter(regionToCellZone);
+
+
         bool changed = false;
 
         // Internal faces
@@ -1292,14 +1303,6 @@ void Foam::meshRefinement::findCellZoneTopo
         {
             break;
         }
-
-        // Synchronise regionToCellZone.
-        // Note:
-        // - region numbers are identical on all processors
-        // - keepRegion is identical ,,
-        // - cellZones are identical ,,
-        Pstream::listCombineGather(regionToCellZone, maxEqOp<label>());
-        Pstream::listCombineScatter(regionToCellZone);
     }