From 391f0d3b549299f86dab44de9591ac1a67b065c8 Mon Sep 17 00:00:00 2001
From: graham <g.macpherson@opencfd.co.uk>
Date: Wed, 6 Jul 2011 22:20:27 +0100
Subject: [PATCH] BUG: reduce inside if statement, not valid on all processors.

---
 .../conformalVoronoiMeshCalcDualMesh.C                   | 9 +++------
 .../conformalVoronoiMesh/conformalVoronoiMeshIO.C        | 9 ++++++---
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C b/src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C
index 8d491429e4..d74df4f061 100644
--- a/src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C
+++ b/src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C
@@ -1630,12 +1630,9 @@ Foam::labelHashSet Foam::conformalVoronoiMesh::checkPolyMeshQuality
         }
     }
 
-    if (checkFaces.size() < fAreas.size())
-    {
-        Info<< "Excluding "
-            << returnReduce(fAreas.size() - checkFaces.size(), sumOp<label>())
-            << " faces from check, < " << faceAreaLimit << " area" << endl;
-    }
+    Info<< "Excluding "
+        << returnReduce(fAreas.size() - checkFaces.size(), sumOp<label>())
+        << " faces from check, < " << faceAreaLimit << " area" << endl;
 
     motionSmoother::checkMesh
     (
diff --git a/src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C b/src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
index de3a0ee99f..2bd65d5771 100644
--- a/src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
+++ b/src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
@@ -696,10 +696,13 @@ void Foam::conformalVoronoiMesh::findRemainingProtrusionSet
         }
     }
 
-    if (returnReduce(protrudingCells.size(), sumOp<label>()) > 0)
+    label protrudingCellsSize = protrudingCells.size();
+
+    reduce(protrudingCellsSize, sumOp<label>());
+
+    if (protrudingCellsSize > 0)
     {
-        Info<< nl << "Found "
-            << returnReduce(protrudingCells.size(), sumOp<label>())
+        Info<< nl << "Found " << protrudingCellsSize
             << " cells protruding from the surface, writing cellSet "
             << protrudingCells.name()
             << endl;