diff --git a/applications/utilities/mesh/generation/blockMesh/curvedEdges/polySplineEdge.C b/applications/utilities/mesh/generation/blockMesh/curvedEdges/polySplineEdge.C
index 00a93ff9c3..1ca7770de1 100644
--- a/applications/utilities/mesh/generation/blockMesh/curvedEdges/polySplineEdge.C
+++ b/applications/utilities/mesh/generation/blockMesh/curvedEdges/polySplineEdge.C
@@ -22,28 +22,21 @@ License
     along with OpenFOAM; if not, write to the Free Software Foundation,
     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 
-Description
-    polySplineEdge class : representation of a spline via a polyLine
-
 \*---------------------------------------------------------------------------*/
 
-#include "error.H"
-
 #include "polySplineEdge.H"
 #include "BSpline.H"
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
 namespace Foam
 {
+    defineTypeNameAndDebug(polySplineEdge, 0);
 
-// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
-
-defineTypeNameAndDebug(polySplineEdge, 0);
-
-// Add the curvedEdge constructor functions to the hash tables
-curvedEdge::addIstreamConstructorToTable<polySplineEdge>
-    addPolySplineEdgeIstreamConstructorToTable_;
+    // Add the curvedEdge constructor functions to the hash tables
+    curvedEdge::addIstreamConstructorToTable<polySplineEdge>
+        addPolySplineEdgeIstreamConstructorToTable_;
+}
 
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
@@ -56,7 +49,7 @@ curvedEdge::addIstreamConstructorToTable<polySplineEdge>
 // note that the points are evenly spaced in the parameter mu, not
 // in real space
 
-pointField polySplineEdge::intervening
+Foam::pointField Foam::polySplineEdge::intervening
 (
     const pointField& otherknots,
     const label nbetweenKnots,
@@ -72,7 +65,7 @@ pointField polySplineEdge::intervening
 
     label N = spl.nKnots();
     scalar init = 1.0/(N - 1);
-    scalar interval = (N - 3)/N;
+    scalar interval = (N - scalar(3))/N;
     interval /= otherknots.size() + 1;
     interval /= nbetweenKnots + 1;
 
@@ -93,8 +86,7 @@ pointField polySplineEdge::intervening
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Construct from components
-polySplineEdge::polySplineEdge
+Foam::polySplineEdge::polySplineEdge
 (
     const pointField& points,
     const label start,
@@ -118,14 +110,13 @@ polySplineEdge::polySplineEdge
 {}
 
 
-// Construct from Istream
-polySplineEdge::polySplineEdge
+Foam::polySplineEdge::polySplineEdge
 (
     const pointField& points,
     Istream& is
 )
 :
-    curvedEdge(points, readLabel(is), readLabel(is)),
+    curvedEdge(points, is),
     polyLine(pointField(0)),
     otherKnots_(is)
 {
@@ -144,23 +135,16 @@ polySplineEdge::polySplineEdge
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-//- Return the position of a point on the curve given by
-//  the parameter 0 <= lambda <= 1
-vector polySplineEdge::position(const scalar mu) const
+Foam::vector Foam::polySplineEdge::position(const scalar mu) const
 {
     return polyLine::position(mu);
 }
 
 
-//- Return the length of the curve
-scalar polySplineEdge::length() const
+Foam::scalar Foam::polySplineEdge::length() const
 {
     return polyLine::length();
 }
 
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-} // End namespace Foam
-
 // ************************************************************************* //
diff --git a/etc/settings.csh b/etc/settings.csh
index 94d6501e9d..10bce2b685 100644
--- a/etc/settings.csh
+++ b/etc/settings.csh
@@ -157,7 +157,7 @@ endif
 
 switch ("$WM_MPLIB")
 case OPENMPI:
-    set ompi_version=1.2.5
+    set ompi_version=1.2.6
     setenv OPENMPI_HOME $FOAM_SRC/other/openmpi-$ompi_version
     setenv OPENMPI_ARCH_PATH $OPENMPI_HOME/platforms/$WM_OPTIONS
 
diff --git a/etc/settings.sh b/etc/settings.sh
index 880dba484d..8bb969a356 100644
--- a/etc/settings.sh
+++ b/etc/settings.sh
@@ -158,7 +158,7 @@ export FOAMX_CONFIG
 
 case "$WM_MPLIB" in
 OPENMPI)
-    ompi_version=1.2.5
+    ompi_version=1.2.6
     export OPENMPI_HOME=$FOAM_SRC/other/openmpi-$ompi_version
     export OPENMPI_ARCH_PATH=$OPENMPI_HOME/platforms/$WM_OPTIONS
 
diff --git a/src/OpenFOAM/meshes/meshShapes/face/face.C b/src/OpenFOAM/meshes/meshShapes/face/face.C
index 2d06d0db28..98ad089f39 100644
--- a/src/OpenFOAM/meshes/meshShapes/face/face.C
+++ b/src/OpenFOAM/meshes/meshShapes/face/face.C
@@ -632,9 +632,8 @@ Foam::scalar Foam::face::sweptVol
     // summing their swept volumes.
     // Changed to deal with small concavity by using a central decomposition
 
-    point centreOldPoint = Foam::average(points(oldPoints));
-
-    point centreNewPoint = Foam::average(points(newPoints));
+    point centreOldPoint = centre(oldPoints);
+    point centreNewPoint = centre(newPoints);
 
     label nPoints = size();
 
diff --git a/src/OpenFOAM/meshes/primitiveShapes/triangle/triangleI.H b/src/OpenFOAM/meshes/primitiveShapes/triangle/triangleI.H
index 406fd98e8e..7e8dd94fef 100644
--- a/src/OpenFOAM/meshes/primitiveShapes/triangle/triangleI.H
+++ b/src/OpenFOAM/meshes/primitiveShapes/triangle/triangleI.H
@@ -318,11 +318,15 @@ inline scalar triangle<Point, PointRef>::quality() const
 template<class Point, class PointRef>
 inline scalar triangle<Point, PointRef>::sweptVol(const triangle& t) const
 {
-    return (1.0/6.0)*
+    return (1.0/12.0)*
     (
         ((t.a_ - a_) & ((b_ - a_)^(c_ - a_)))
       + ((t.b_ - b_) & ((c_ - b_)^(t.a_ - b_)))
       + ((c_ - t.c_) & ((t.b_ - t.c_)^(t.a_ - t.c_)))
+
+      + ((t.a_ - a_) & ((b_ - a_)^(c_ - a_)))
+      + ((b_ - t.b_) & ((t.a_ - t.b_)^(t.c_ - t.b_)))
+      + ((c_ - t.c_) & ((b_ - t.c_)^(t.a_ - t.c_)))
     );
 }