From f4ee841c6decae89f4fba4ae3bc629b40ef0ff70 Mon Sep 17 00:00:00 2001
From: Mark Olesen <Mark.Olesen@esi-group.com>
Date: Mon, 20 Jan 2020 12:14:18 +0100
Subject: [PATCH] STYLE: adjust code format for trackingData

- rationalized some layout and comments
---
 .../LES/LESdeltas/smoothDelta/smoothDelta.H   |  74 ++++++-------
 .../smoothDelta/smoothDeltaDeltaDataI.H       |   2 +-
 .../directions/directionInfo/directionInfo.C  |  25 +++--
 .../directions/directionInfo/directionInfo.H  |  32 +++---
 .../directions/directionInfo/directionInfoI.H |  28 ++---
 .../wallNormalInfo/wallNormalInfo.C           |  23 ++--
 .../wallNormalInfo/wallNormalInfo.H           |  32 +++---
 .../wallNormalInfo/wallNormalInfoI.H          |  30 ++----
 .../layeredSolver/pointEdgeStructuredWalk.H   |  46 +++++---
 .../layeredSolver/pointEdgeStructuredWalkI.H  |  26 +----
 .../pointPatchDist/externalPointEdgePoint.C   |  15 +--
 .../pointPatchDist/externalPointEdgePoint.H   |  47 ++++----
 .../pointPatchDist/externalPointEdgePointI.H  |  43 ++------
 .../pointEdgeCollapse/pointEdgeCollapse.C     |  24 +++--
 .../pointEdgeCollapse/pointEdgeCollapse.H     |  39 ++++---
 .../pointEdgeCollapse/pointEdgeCollapseI.H    |  59 ++++------
 .../polyTopoChange/refinementData.C           |  22 ++--
 .../polyTopoChange/refinementData.H           |  29 +++--
 .../polyTopoChange/refinementDataI.H          |  17 +--
 .../polyTopoChange/refinementDistanceData.C   |  17 +--
 .../polyTopoChange/refinementDistanceData.H   |  46 ++++----
 .../polyTopoChange/refinementDistanceDataI.H  |  15 ++-
 .../finiteVolume/fvc/fvcSmooth/smoothData.H   | 101 ++++++++++--------
 .../finiteVolume/fvc/fvcSmooth/smoothDataI.H  |  12 +--
 .../finiteVolume/fvc/fvcSmooth/sweepData.H    |  84 +++++++++------
 .../finiteVolume/fvc/fvcSmooth/sweepDataI.H   |  21 ++--
 .../wallDist/wallPointYPlus/wallPointYPlusI.H |  30 ++----
 .../meshRefinement/patchFaceOrientation.C     |  15 +--
 .../meshRefinement/patchFaceOrientation.H     |  29 ++---
 .../meshRefinement/patchFaceOrientationI.H    |  15 +--
 .../meshRefinement/transportData.H            |   8 +-
 .../meshRefinement/transportDataI.H           |   6 +-
 .../snappyHexMesh/meshRefinement/wallPoints.C |  20 ++--
 .../snappyHexMesh/meshRefinement/wallPoints.H |  36 +++----
 .../meshRefinement/wallPointsI.H              |  10 +-
 .../PointIntegrateData/PointIntegrateData.H   |  27 ++---
 .../PointIntegrateData/PointIntegrateDataI.H  |  25 ++---
 .../algorithms/MeshWave/FaceCellWave.C        |   5 +-
 .../algorithms/MeshWave/FaceCellWave.H        |  34 +++---
 .../algorithms/MeshWave/FaceCellWaveName.C    |   2 +-
 src/meshTools/algorithms/MeshWave/MeshWave.H  |  28 +++--
 .../PatchEdgeFaceWave/PatchEdgeFaceWave.C     |  26 -----
 .../PatchEdgeFaceWave/PatchEdgeFaceWave.H     |  59 +++++-----
 .../PatchEdgeFaceWave/PatchEdgeFaceWaveName.C |   2 +-
 .../PatchEdgeFaceWave/patchEdgeFaceInfo.C     |  15 +--
 .../PatchEdgeFaceWave/patchEdgeFaceInfo.H     |  41 +++----
 .../PatchEdgeFaceWave/patchEdgeFaceInfoI.H    |  42 ++------
 .../PatchEdgeFaceWave/patchEdgeFaceRegion.C   |  15 +--
 .../PatchEdgeFaceWave/patchEdgeFaceRegion.H   |  33 +++---
 .../PatchEdgeFaceWave/patchEdgeFaceRegionI.H  |  19 ++--
 .../PatchEdgeFaceWave/patchEdgeFaceRegions.C  |  15 +--
 .../PatchEdgeFaceWave/patchEdgeFaceRegions.H  |  39 +++----
 .../PatchEdgeFaceWave/patchEdgeFaceRegionsI.H |  13 +--
 .../algorithms/PointEdgeWave/PointData.C      |  29 +++--
 .../algorithms/PointEdgeWave/PointData.H      |  25 +++--
 .../algorithms/PointEdgeWave/PointDataI.H     |  27 +----
 .../algorithms/PointEdgeWave/PointEdgeWave.C  |  19 ++--
 .../algorithms/PointEdgeWave/PointEdgeWave.H  |  26 ++---
 .../PointEdgeWave/PointEdgeWaveName.C         |   2 +-
 .../algorithms/PointEdgeWave/pointEdgePoint.C |  17 +--
 .../algorithms/PointEdgeWave/pointEdgePoint.H |  51 +++++----
 .../PointEdgeWave/pointEdgePointI.H           |  45 +++-----
 src/meshTools/cellClassification/cellInfo.C   |  22 ++--
 src/meshTools/cellClassification/cellInfo.H   |  38 +++----
 src/meshTools/cellClassification/cellInfoI.H  |  30 +++---
 src/meshTools/cellDist/wallPoint/wallPoint.C  |  21 +++-
 src/meshTools/cellDist/wallPoint/wallPoint.H  |  52 +++++----
 .../cellDist/wallPoint/wallPointData.C        |  26 ++---
 .../cellDist/wallPoint/wallPointData.H        |  33 +++---
 .../cellDist/wallPoint/wallPointDataI.H       |  42 ++------
 src/meshTools/cellDist/wallPoint/wallPointI.H |  53 +++------
 .../meshStructure/pointTopoDistanceData.C     |  15 +--
 .../meshStructure/pointTopoDistanceData.H     |  24 ++---
 .../meshStructure/pointTopoDistanceDataI.H    |   8 +-
 .../meshStructure/topoDistanceData.C          |  15 +--
 .../meshStructure/topoDistanceData.H          |  24 ++---
 .../meshStructure/topoDistanceDataI.H         |   8 +-
 src/meshTools/regionSplit/minData.H           |  25 +++--
 src/meshTools/regionSplit/minDataI.H          |  20 ++--
 .../inverseDistance/meshToMeshData.C          |  16 +--
 .../inverseDistance/meshToMeshData.H          |  62 +++++------
 .../inverseDistance/meshToMeshDataI.H         |  12 +--
 .../inverseDistance/waveMethod.C              |   3 +-
 .../structuredRenumber/OppositeFaceCellWave.H |   6 +-
 84 files changed, 1115 insertions(+), 1199 deletions(-)

diff --git a/src/TurbulenceModels/turbulenceModels/LES/LESdeltas/smoothDelta/smoothDelta.H b/src/TurbulenceModels/turbulenceModels/LES/LESdeltas/smoothDelta/smoothDelta.H
index 1397b6ba7f1..6bcd6efdd4e 100644
--- a/src/TurbulenceModels/turbulenceModels/LES/LESdeltas/smoothDelta/smoothDelta.H
+++ b/src/TurbulenceModels/turbulenceModels/LES/LESdeltas/smoothDelta/smoothDelta.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2016-2019 OpenCFD Ltd.
+    Copyright (C) 2016-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -59,15 +59,18 @@ class smoothDelta
 {
 public:
 
-    //- Public member class used by mesh-wave to propagate the delta-ratio
+    //- Public class used by mesh-wave to propagate the delta-ratio
     class deltaData
     {
-        scalar delta_;
+        // Private Data
+
+            scalar delta_;
+
 
         // Private Member Functions
 
-            //- Update. Gets information from neighbouring face/cell and
-            //  uses this to update itself (if necessary) and return true.
+            //- Update gets information from neighbouring face/cell and
+            //- uses this to update itself (if necessary) and return true.
             template<class TrackingData>
             inline bool update
             (
@@ -82,7 +85,7 @@ public:
 
         // Constructors
 
-            //- Construct null
+            //- Default construct
             inline deltaData();
 
             //- Construct from delta value
@@ -93,21 +96,19 @@ public:
 
             // Access
 
-            scalar delta() const
-            {
-                return delta_;
-            }
+                scalar delta() const
+                {
+                    return delta_;
+                }
 
 
             // Needed by FaceCellWave
 
-                //- Check whether origin has been changed at all or
-                //  still contains original (invalid) value.
+                //- Changed or contains original (invalid) value
                 template<class TrackingData>
                 inline bool valid(TrackingData& td) const;
 
-                //- Check for identical geometrical data.
-                //  Used for cyclics checking.
+                //- Check for identical geometrical data (eg, cyclics checking)
                 template<class TrackingData>
                 inline bool sameGeometry
                 (
@@ -118,7 +119,7 @@ public:
                 ) const;
 
                 //- Convert any absolute coordinates into relative to
-                //  (patch)face centre
+                //- (patch)face centre
                 template<class TrackingData>
                 inline void leaveDomain
                 (
@@ -184,40 +185,40 @@ public:
                     TrackingData& td
                 );
 
-                //- Same (like operator==)
+                //- Test for equality, with TrackingData
                 template<class TrackingData>
                 inline bool equal(const deltaData&, TrackingData& td) const;
 
-            // Member Operators
 
-                // Needed for List IO
-                inline bool operator==(const deltaData&) const;
+        // Member Operators
 
-                inline bool operator!=(const deltaData&) const;
+            //- Test for equality
+            inline bool operator==(const deltaData&) const;
 
-            // IOstream Operators
+            //- Test for inequality
+            inline bool operator!=(const deltaData&) const;
 
-                friend Ostream& operator<<
-                (
-                    Ostream& os,
-                    const deltaData& wDist
-                )
-                {
-                    return os << wDist.delta_;
-                }
 
-                friend Istream& operator>>(Istream& is, deltaData& wDist)
-                {
-                    return is >> wDist.delta_;
-                }
+        // IOstream Operators
+
+            friend Ostream& operator<<(Ostream& os, const deltaData& rhs)
+            {
+                return os << rhs.delta_;
+            }
+
+            friend Istream& operator>>(Istream& is, deltaData& rhs)
+            {
+                return is >> rhs.delta_;
+            }
     };
 
 
 private:
 
-    // Private data
+    // Private Data
 
         autoPtr<LESdelta> geometricDelta_;
+
         scalar maxDeltaRatio_;
 
 
@@ -253,10 +254,9 @@ private:
             DynamicList<deltaData>& changedFacesInfo
         );
 
-
 public:
 
-    //- Runtime type information
+    //- Declare type-name, virtual type (with debug switch)
     TypeName("smooth");
 
 
@@ -278,7 +278,7 @@ public:
     // Member Functions
 
         //- Read the LESdelta dictionary
-        virtual void read(const dictionary&);
+        virtual void read(const dictionary& dict);
 
         // Correct values
         virtual void correct();
diff --git a/src/TurbulenceModels/turbulenceModels/LES/LESdeltas/smoothDelta/smoothDeltaDeltaDataI.H b/src/TurbulenceModels/turbulenceModels/LES/LESdeltas/smoothDelta/smoothDeltaDeltaDataI.H
index aa30b6f54ec..827cfda8336 100644
--- a/src/TurbulenceModels/turbulenceModels/LES/LESdeltas/smoothDelta/smoothDeltaDeltaDataI.H
+++ b/src/TurbulenceModels/turbulenceModels/LES/LESdeltas/smoothDelta/smoothDeltaDeltaDataI.H
@@ -198,7 +198,7 @@ inline bool Foam::LESModels::smoothDelta::deltaData::operator==
     const deltaData& rhs
 ) const
 {
-    return delta_ == rhs.delta();
+    return delta_ == rhs.delta_;
 }
 
 
diff --git a/src/dynamicMesh/meshCut/directions/directionInfo/directionInfo.C b/src/dynamicMesh/meshCut/directions/directionInfo/directionInfo.C
index 593fd803eee..ed19d054c11 100644
--- a/src/dynamicMesh/meshCut/directions/directionInfo/directionInfo.C
+++ b/src/dynamicMesh/meshCut/directions/directionInfo/directionInfo.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -199,23 +200,23 @@ Foam::label Foam::directionInfo::edgeToFaceIndex
 }
 
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::directionInfo& wDist
+    Ostream& os,
+    const directionInfo& rhs
 )
 {
     if (os.format() == IOstream::ASCII)
     {
-        os << wDist.index_ << wDist.n_;
+        os << rhs.index_ << rhs.n_;
     }
     else
     {
         os.write
         (
-            reinterpret_cast<const char*>(&wDist.index_),
+            reinterpret_cast<const char*>(&rhs.index_),
             sizeof(directionInfo)
         );
     }
@@ -225,19 +226,23 @@ Foam::Ostream& Foam::operator<<
 }
 
 
-Foam::Istream& Foam::operator>>(Foam::Istream& is, Foam::directionInfo& wDist)
+Foam::Istream& Foam::operator>>
+(
+    Istream& is,
+    directionInfo& rhs
+)
 {
     if (is.format() == IOstream::ASCII)
     {
-        is >> wDist.index_ >> wDist.n_;
+        is >> rhs.index_ >> rhs.n_;
     }
     else if (!is.checkLabelSize<>() || !is.checkScalarSize<>())
     {
         // Non-native label or scalar size
         is.beginRawRead();
 
-        readRawLabel(is, &wDist.index_);
-        readRawScalar(is, wDist.n_.data(), vector::nComponents);
+        readRawLabel(is, &rhs.index_);
+        readRawScalar(is, rhs.n_.data(), vector::nComponents);
 
         is.endRawRead();
     }
@@ -245,7 +250,7 @@ Foam::Istream& Foam::operator>>(Foam::Istream& is, Foam::directionInfo& wDist)
     {
         is.read
         (
-            reinterpret_cast<char*>(&wDist.index_),
+            reinterpret_cast<char*>(&rhs.index_),
             sizeof(directionInfo)
         );
     }
diff --git a/src/dynamicMesh/meshCut/directions/directionInfo/directionInfo.H b/src/dynamicMesh/meshCut/directions/directionInfo/directionInfo.H
index 4865e8f2d15..6cdf73ef7d6 100644
--- a/src/dynamicMesh/meshCut/directions/directionInfo/directionInfo.H
+++ b/src/dynamicMesh/meshCut/directions/directionInfo/directionInfo.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -72,13 +72,11 @@ class polyMesh;
 class primitiveMesh;
 class edge;
 class face;
-class polyMesh;
 class directionInfo;
 
 Istream& operator>>(Istream&, directionInfo&);
 Ostream& operator<<(Ostream&, const directionInfo&);
 
-
 /*---------------------------------------------------------------------------*\
                            Class directionInfo Declaration
 \*---------------------------------------------------------------------------*/
@@ -87,10 +85,10 @@ class directionInfo
 {
     // Private Data
 
-        // Either mesh edge or face point
+        //- The mesh edge or face point
         label index_;
 
-        // Local n axis
+        //- The local n axis
         vector n_;
 
 
@@ -128,44 +126,42 @@ public:
             const label edgeI
         );
 
+
     // Constructors
 
-        //- Construct null
+        //- Default construct, index=-1, vector::zero
         inline directionInfo();
 
         //- Construct from components
         inline directionInfo
         (
-            const label,
+            const label index,
             const vector& n
         );
 
-        //- Construct as copy
-        inline directionInfo(const directionInfo&);
-
 
     // Member Functions
 
         // Access
 
-            inline label index() const
+            label index() const
             {
                 return index_;
             }
 
-            inline const vector& n() const
+            const vector& n() const
             {
                 return n_;
             }
 
+
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -242,15 +238,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const directionInfo&, TrackingData& td) const;
 
+
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const directionInfo&) const;
 
+        //- Test for inequality
         inline bool operator!=(const directionInfo&) const;
 
 
diff --git a/src/dynamicMesh/meshCut/directions/directionInfo/directionInfoI.H b/src/dynamicMesh/meshCut/directions/directionInfo/directionInfoI.H
index a689f76e760..a50fb84446b 100644
--- a/src/dynamicMesh/meshCut/directions/directionInfo/directionInfoI.H
+++ b/src/dynamicMesh/meshCut/directions/directionInfo/directionInfoI.H
@@ -31,7 +31,6 @@ License
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::directionInfo::directionInfo()
 :
     index_(-3),
@@ -39,7 +38,6 @@ inline Foam::directionInfo::directionInfo()
 {}
 
 
-// Construct from components
 inline Foam::directionInfo::directionInfo
 (
     const label index,
@@ -51,14 +49,6 @@ inline Foam::directionInfo::directionInfo
 {}
 
 
-// Construct as copy
-inline Foam::directionInfo::directionInfo(const directionInfo& w2)
-:
-    index_(w2.index()),
-    n_(w2.n())
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class TrackingData>
@@ -76,8 +66,7 @@ inline bool Foam::directionInfo::sameGeometry
     const directionInfo& w2,
     const scalar tol,
     TrackingData& td
-)
- const
+) const
 {
     return true;
 }
@@ -253,7 +242,6 @@ inline bool Foam::directionInfo::updateFace
         index_ = -2;
     }
 
-
     n_ = neighbourInfo.n();
 
     return true;
@@ -300,15 +288,19 @@ inline bool Foam::directionInfo::equal
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-inline bool Foam::directionInfo::operator==(const Foam::directionInfo& rhs)
- const
+inline bool Foam::directionInfo::operator==
+(
+    const directionInfo& rhs
+) const
 {
-    return  index() == rhs.index() && n() == rhs.n();
+    return index_ == rhs.index_ && n_ == rhs.n_;
 }
 
 
-inline bool Foam::directionInfo::operator!=(const Foam::directionInfo& rhs)
- const
+inline bool Foam::directionInfo::operator!=
+(
+    const directionInfo& rhs
+) const
 {
     return !(*this == rhs);
 }
diff --git a/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfo.C b/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfo.C
index 228e86d407e..f6a0b45c94e 100644
--- a/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfo.C
+++ b/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfo.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,23 +28,23 @@ License
 
 #include "wallNormalInfo.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::wallNormalInfo& wDist
+    Ostream& os,
+    const wallNormalInfo& rhs
 )
 {
     if (os.format() == IOstream::ASCII)
     {
-        os << wDist.normal();
+        os << rhs.normal();
     }
     else
     {
         os.write
         (
-            reinterpret_cast<const char*>(&wDist.normal_),
+            reinterpret_cast<const char*>(&rhs.normal_),
             sizeof(vector)
         );
     }
@@ -53,18 +54,22 @@ Foam::Ostream& Foam::operator<<
 }
 
 
-Foam::Istream& Foam::operator>>(Foam::Istream& is, Foam::wallNormalInfo& wDist)
+Foam::Istream& Foam::operator>>
+(
+    Istream& is,
+    wallNormalInfo& rhs
+)
 {
     if (is.format() == IOstream::ASCII)
     {
-        is >> wDist.normal_;
+        is >> rhs.normal_;
     }
     else if (!is.checkLabelSize<>() || !is.checkScalarSize<>())
     {
         // Non-native label or scalar size
         is.beginRawRead();
 
-        readRawScalar(is, wDist.normal_.data(), vector::nComponents);
+        readRawScalar(is, rhs.normal_.data(), vector::nComponents);
 
         is.endRawRead();
     }
@@ -72,7 +77,7 @@ Foam::Istream& Foam::operator>>(Foam::Istream& is, Foam::wallNormalInfo& wDist)
     {
         is.read
         (
-            reinterpret_cast<char*>(&wDist.normal_),
+            reinterpret_cast<char*>(&rhs.normal_),
             sizeof(vector)
         );
     }
diff --git a/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfo.H b/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfo.H
index 73da1fab900..630203f44f9 100644
--- a/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfo.H
+++ b/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfo.H
@@ -58,52 +58,58 @@ class wallNormalInfo;
 Istream& operator>>(Istream&, wallNormalInfo&);
 Ostream& operator<<(Ostream&, const wallNormalInfo&);
 
-
 /*---------------------------------------------------------------------------*\
                            Class wallNormalInfo Declaration
 \*---------------------------------------------------------------------------*/
 
 class wallNormalInfo
 {
-    // Private data
+    // Private Data
 
         //- Normal at nearest wall point
         vector normal_;
 
+
     // Private Member Functions
 
-        //- Evaluate distance to point. Update normal_
+        //- Evaluate distance to point and update normal_
         template<class TrackingData>
         inline bool update(const wallNormalInfo& w2, TrackingData& td);
 
+
 public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline wallNormalInfo();
 
         //- Construct from normal
         inline wallNormalInfo(const vector& normal);
 
-        //- Construct as copy
-        inline wallNormalInfo(const wallNormalInfo&);
+
 
     // Member Functions
 
         // Access
 
-            inline const vector& normal() const;
+            const vector& normal() const
+            {
+                return normal_;
+            }
+            vector& normal()
+            {
+                return normal_;
+            }
 
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -180,15 +186,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const wallNormalInfo&, TrackingData& td) const;
 
+
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const wallNormalInfo&) const;
 
+        //- Test for inequality
         inline bool operator!=(const wallNormalInfo&) const;
 
 
diff --git a/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfoI.H b/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfoI.H
index 92bfc65c854..0260c2828de 100644
--- a/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfoI.H
+++ b/src/dynamicMesh/meshCut/wallLayerCells/wallNormalInfo/wallNormalInfoI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -60,35 +61,20 @@ inline bool Foam::wallNormalInfo::update
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::wallNormalInfo::wallNormalInfo()
 :
     normal_(point::max)
 {}
 
 
-// Construct from normal
 inline Foam::wallNormalInfo::wallNormalInfo(const vector& normal)
 :
     normal_(normal)
 {}
 
 
-// Construct as copy
-inline Foam::wallNormalInfo::wallNormalInfo(const wallNormalInfo& wpt)
-:
-    normal_(wpt.normal())
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline const Foam::vector& Foam::wallNormalInfo::normal() const
-{
-    return normal_;
-}
-
-
 template<class TrackingData>
 inline bool Foam::wallNormalInfo::valid(TrackingData& td) const
 {
@@ -207,15 +193,19 @@ inline bool Foam::wallNormalInfo::equal
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-inline bool Foam::wallNormalInfo::operator==(const Foam::wallNormalInfo& rhs)
- const
+inline bool Foam::wallNormalInfo::operator==
+(
+    const wallNormalInfo& rhs
+) const
 {
-    return normal() == rhs.normal();
+    return normal_ == rhs.normal_;
 }
 
 
-inline bool Foam::wallNormalInfo::operator!=(const Foam::wallNormalInfo& rhs)
- const
+inline bool Foam::wallNormalInfo::operator!=
+(
+    const wallNormalInfo& rhs
+) const
 {
     return !(*this == rhs);
 }
diff --git a/src/dynamicMesh/motionSolvers/displacement/layeredSolver/pointEdgeStructuredWalk.H b/src/dynamicMesh/motionSolvers/displacement/layeredSolver/pointEdgeStructuredWalk.H
index befff59bd56..a7ffdf63b47 100644
--- a/src/dynamicMesh/motionSolvers/displacement/layeredSolver/pointEdgeStructuredWalk.H
+++ b/src/dynamicMesh/motionSolvers/displacement/layeredSolver/pointEdgeStructuredWalk.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -55,7 +55,6 @@ class pointEdgeStructuredWalk;
 Istream& operator>>(Istream&, pointEdgeStructuredWalk&);
 Ostream& operator<<(Ostream&, const pointEdgeStructuredWalk&);
 
-
 /*---------------------------------------------------------------------------*\
                    Class pointEdgeStructuredWalk Declaration
 \*---------------------------------------------------------------------------*/
@@ -95,7 +94,7 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline pointEdgeStructuredWalk();
 
         //- Construct from components
@@ -113,27 +112,35 @@ public:
 
     // Access
 
-        //- True if starting point is valid (ie, not point::max)
-        inline bool inZone() const;
-
         //- The distance information
-        inline scalar dist() const;
+        scalar dist() const
+        {
+            return dist_;
+        }
 
         //- Tracking data
-        inline const vector& data() const;
+        const vector& data() const
+        {
+            return data_;
+        }
 
         //- Index (if any) associated with data
-        inline label index() const;
+        label index() const
+        {
+            return index_;
+        }
 
+        //- True if starting point is valid (ie, not point::max)
+        inline bool inZone() const;
 
-        // Needed by meshWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+        // Needed by MeshWave
+
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -217,16 +224,21 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
-            inline bool equal(const pointEdgeStructuredWalk&, TrackingData&)
-            const;
+            inline bool equal
+            (
+                const pointEdgeStructuredWalk&,
+                TrackingData&
+            ) const;
 
 
     // Member Operators
 
-        //Note: Used to determine whether to call update.
+        //- Test for equality
         inline bool operator==(const pointEdgeStructuredWalk&) const;
+
+        //- Test for inequality
         inline bool operator!=(const pointEdgeStructuredWalk&) const;
 
 
diff --git a/src/dynamicMesh/motionSolvers/displacement/layeredSolver/pointEdgeStructuredWalkI.H b/src/dynamicMesh/motionSolvers/displacement/layeredSolver/pointEdgeStructuredWalkI.H
index 6a14b39b7f3..f7dbbea529b 100644
--- a/src/dynamicMesh/motionSolvers/displacement/layeredSolver/pointEdgeStructuredWalkI.H
+++ b/src/dynamicMesh/motionSolvers/displacement/layeredSolver/pointEdgeStructuredWalkI.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -91,24 +91,6 @@ inline bool Foam::pointEdgeStructuredWalk::inZone() const
 }
 
 
-inline Foam::scalar Foam::pointEdgeStructuredWalk::dist() const
-{
-    return dist_;
-}
-
-
-inline const Foam::vector& Foam::pointEdgeStructuredWalk::data() const
-{
-    return data_;
-}
-
-
-inline Foam::label Foam::pointEdgeStructuredWalk::index() const
-{
-    return index_;
-}
-
-
 template<class TrackingData>
 inline bool Foam::pointEdgeStructuredWalk::valid(TrackingData& td) const
 {
@@ -125,7 +107,7 @@ inline bool Foam::pointEdgeStructuredWalk::sameGeometry
     TrackingData& td
 ) const
 {
-    scalar diff = Foam::mag(dist() - w2.dist());
+    const scalar diff = Foam::mag(dist() - w2.dist());
 
     if (diff < SMALL)
     {
@@ -275,7 +257,7 @@ inline bool Foam::pointEdgeStructuredWalk::equal
 
 inline bool Foam::pointEdgeStructuredWalk::operator==
 (
-    const Foam::pointEdgeStructuredWalk& rhs
+    const pointEdgeStructuredWalk& rhs
 ) const
 {
     return previousPoint_ == rhs.previousPoint_;
@@ -284,7 +266,7 @@ inline bool Foam::pointEdgeStructuredWalk::operator==
 
 inline bool Foam::pointEdgeStructuredWalk::operator!=
 (
-    const Foam::pointEdgeStructuredWalk& rhs
+    const pointEdgeStructuredWalk& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/dynamicMesh/pointPatchDist/externalPointEdgePoint.C b/src/dynamicMesh/pointPatchDist/externalPointEdgePoint.C
index 93a88314413..b2bfbfe7f86 100644
--- a/src/dynamicMesh/pointPatchDist/externalPointEdgePoint.C
+++ b/src/dynamicMesh/pointPatchDist/externalPointEdgePoint.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,25 +28,25 @@ License
 
 #include "externalPointEdgePoint.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::externalPointEdgePoint& wDist
+    Ostream& os,
+    const externalPointEdgePoint& rhs
 )
 {
-    return os << wDist.origin() << wDist.distSqr();
+    return os << rhs.origin() << rhs.distSqr();
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::externalPointEdgePoint& wDist
+    Istream& is,
+    externalPointEdgePoint& rhs
 )
 {
-    return is >> wDist.origin_ >> wDist.distSqr_;
+    return is >> rhs.origin_ >> rhs.distSqr_;
 }
 
 
diff --git a/src/dynamicMesh/pointPatchDist/externalPointEdgePoint.H b/src/dynamicMesh/pointPatchDist/externalPointEdgePoint.H
index d38c265c8ff..c0783aae04c 100644
--- a/src/dynamicMesh/pointPatchDist/externalPointEdgePoint.H
+++ b/src/dynamicMesh/pointPatchDist/externalPointEdgePoint.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -56,14 +56,13 @@ class externalPointEdgePoint;
 Istream& operator>>(Istream&, externalPointEdgePoint&);
 Ostream& operator<<(Ostream&, const externalPointEdgePoint&);
 
-
 /*---------------------------------------------------------------------------*\
-                           Class externalPointEdgePoint Declaration
+               Class externalPointEdgePoint Declaration
 \*---------------------------------------------------------------------------*/
 
 class externalPointEdgePoint
 {
-    // Private data
+    // Private Data
 
         //- Position of nearest wall center
         point origin_;
@@ -74,9 +73,9 @@ class externalPointEdgePoint
 
     // Private Member Functions
 
-        //- Evaluate distance to point. Update distSqr, origin from whomever
-        //  is nearer pt. Return true if w2 is closer to point,
-        //  false otherwise.
+        //- Evaluate distance to point.
+        //  Update distSqr, origin from whomever is nearer pt.
+        //  \return true if w2 is closer to point, false otherwise.
         template<class TrackingData>
         inline bool update
         (
@@ -86,8 +85,8 @@ class externalPointEdgePoint
             TrackingData& td
         );
 
-        //- Combine current with w2. Update distSqr, origin if w2 has smaller
-        //  quantities and returns true.
+        //- Combine current with w2.
+        //  Update distSqr, origin if w2 has smaller quantities and return true
         template<class TrackingData>
         inline bool update
         (
@@ -103,6 +102,7 @@ public:
     class trackingData
     {
     public:
+
         const pointField& points_;
 
         trackingData(const pointField& points)
@@ -112,36 +112,37 @@ public:
     };
 
 
-
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline externalPointEdgePoint();
 
         //- Construct from origin, distance
         inline externalPointEdgePoint(const point&, const scalar);
 
-        //- Construct as copy
-        inline externalPointEdgePoint(const externalPointEdgePoint&);
-
 
     // Member Functions
 
         // Access
 
-            inline const point& origin() const;
+            const point& origin() const
+            {
+                return origin_;
+            }
 
-            inline scalar distSqr() const;
+            scalar distSqr() const
+            {
+                return distSqr_;
+            }
 
 
         // Needed by PointEdgeWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -151,7 +152,7 @@ public:
             ) const;
 
             //- Convert origin to relative vector to leaving point
-            //  (= point coordinate)
+            //- (= point coordinate)
             template<class TrackingData>
             inline void leaveDomain
             (
@@ -225,7 +226,7 @@ public:
                 TrackingData& td
             );
 
-            //- Equivalent to operator== with TrackingData
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal
             (
@@ -236,8 +237,10 @@ public:
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const externalPointEdgePoint&) const;
+
+        //- Test for inequality
         inline bool operator!=(const externalPointEdgePoint&) const;
 
 
diff --git a/src/dynamicMesh/pointPatchDist/externalPointEdgePointI.H b/src/dynamicMesh/pointPatchDist/externalPointEdgePointI.H
index 78e18f1d8ef..2228c169049 100644
--- a/src/dynamicMesh/pointPatchDist/externalPointEdgePointI.H
+++ b/src/dynamicMesh/pointPatchDist/externalPointEdgePointI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -39,7 +40,7 @@ inline bool Foam::externalPointEdgePoint::update
     TrackingData& td
 )
 {
-    scalar dist2 = magSqr(pt - w2.origin());
+    const scalar dist2 = magSqr(pt - w2.origin());
 
     if (!valid(td))
     {
@@ -50,7 +51,7 @@ inline bool Foam::externalPointEdgePoint::update
         return true;
     }
 
-    scalar diff = distSqr_ - dist2;
+    const scalar diff = distSqr_ - dist2;
 
     if (diff < 0)
     {
@@ -91,7 +92,7 @@ inline bool Foam::externalPointEdgePoint::update
         return true;
     }
 
-    scalar diff = distSqr_ - w2.distSqr();
+    const scalar diff = distSqr_ - w2.distSqr();
 
     if (diff < 0)
     {
@@ -135,30 +136,8 @@ inline Foam::externalPointEdgePoint::externalPointEdgePoint
 {}
 
 
-inline Foam::externalPointEdgePoint::externalPointEdgePoint
-(
-    const externalPointEdgePoint& wpt
-)
-:
-    origin_(wpt.origin()),
-    distSqr_(wpt.distSqr())
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline const Foam::point& Foam::externalPointEdgePoint::origin() const
-{
-    return origin_;
-}
-
-
-inline Foam::scalar Foam::externalPointEdgePoint::distSqr() const
-{
-    return distSqr_;
-}
-
-
 template<class TrackingData>
 inline bool Foam::externalPointEdgePoint::valid(TrackingData& td) const
 {
@@ -175,7 +154,7 @@ inline bool Foam::externalPointEdgePoint::sameGeometry
     TrackingData& td
 ) const
 {
-    scalar diff = Foam::mag(distSqr() - w2.distSqr());
+    const scalar diff = Foam::mag(distSqr() - w2.distSqr());
 
     if (diff < SMALL)
     {
@@ -305,19 +284,17 @@ inline bool Foam::externalPointEdgePoint::equal
 
 inline bool Foam::externalPointEdgePoint::operator==
 (
-    const Foam::externalPointEdgePoint& rhs
-)
-const
+    const externalPointEdgePoint& rhs
+) const
 {
-    return (origin() == rhs.origin()) && (distSqr() == rhs.distSqr());
+    return origin_ == rhs.origin_ && distSqr_ == rhs.distSqr_;
 }
 
 
 inline bool Foam::externalPointEdgePoint::operator!=
 (
-    const Foam::externalPointEdgePoint& rhs
-)
-const
+    const externalPointEdgePoint& rhs
+) const
 {
     return !(*this == rhs);
 }
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapse.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapse.C
index af09e6342d5..39a24d3529f 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapse.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapse.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,30 +28,31 @@ License
 
 #include "pointEdgeCollapse.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::pointEdgeCollapse& wDist
+    Ostream& os,
+    const pointEdgeCollapse& rhs
 )
 {
     return os
-        << wDist.collapsePoint_
-        << wDist.collapseIndex_
-        << wDist.collapsePriority_;
+        << rhs.collapsePoint_
+        << rhs.collapseIndex_
+        << rhs.collapsePriority_;
 }
 
+
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::pointEdgeCollapse& wDist
+    Istream& is,
+    pointEdgeCollapse& rhs
 )
 {
     return is
-        >> wDist.collapsePoint_
-        >> wDist.collapseIndex_
-        >> wDist.collapsePriority_;
+        >> rhs.collapsePoint_
+        >> rhs.collapseIndex_
+        >> rhs.collapsePriority_;
 }
 
 
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapse.H b/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapse.H
index 80e64598e13..5d3f72ee2fa 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapse.H
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapse.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -55,14 +55,13 @@ class pointEdgeCollapse;
 Istream& operator>>(Istream&, pointEdgeCollapse&);
 Ostream& operator<<(Ostream&, const pointEdgeCollapse&);
 
-
 /*---------------------------------------------------------------------------*\
-                           Class pointEdgeCollapse Declaration
+                      Class pointEdgeCollapse Declaration
 \*---------------------------------------------------------------------------*/
 
 class pointEdgeCollapse
 {
-    // Private data
+    // Private Data
 
         //- Collapse location
         point collapsePoint_;
@@ -85,7 +84,6 @@ class pointEdgeCollapse
             TrackingData& td
         );
 
-
         //- Check for same coordinate
         inline bool samePoint(const point& pt) const;
 
@@ -93,7 +91,7 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline pointEdgeCollapse();
 
         //- Construct from components
@@ -109,17 +107,25 @@ public:
 
         // Access
 
-            inline const point& collapsePoint() const;
+            const point& collapsePoint() const
+            {
+                return collapsePoint_;
+            }
 
-            inline label collapseIndex() const;
+            label collapseIndex() const
+            {
+                return collapseIndex_;
+            }
 
-            inline label collapsePriority() const;
+            label collapsePriority() const
+            {
+                return collapsePriority_;
+            }
 
 
-        // Needed by meshWave
+        // Needed by MeshWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
@@ -198,16 +204,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
-            inline bool equal(const pointEdgeCollapse&, TrackingData&)
-            const;
+            inline bool equal(const pointEdgeCollapse&, TrackingData&) const;
 
 
     // Member Operators
 
-        //Note: Used to determine whether to call update.
+        //- Test for equality
         inline bool operator==(const pointEdgeCollapse&) const;
+
+        //- Test for inequality
         inline bool operator!=(const pointEdgeCollapse&) const;
 
 
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapseI.H b/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapseI.H
index b7063453d21..27beacf0284 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapseI.H
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/pointEdgeCollapse/pointEdgeCollapseI.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -31,7 +31,6 @@ License
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
-// Update this with w2.
 template<class TrackingData>
 inline bool Foam::pointEdgeCollapse::update
 (
@@ -99,9 +98,24 @@ inline bool Foam::pointEdgeCollapse::update
 }
 
 
+inline bool Foam::pointEdgeCollapse::samePoint(const point& pt) const
+{
+    bool isLegal1 = (cmptMin(collapsePoint_) < 0.5*GREAT);
+    bool isLegal2 = (cmptMin(pt) < 0.5*GREAT);
+
+    if (isLegal1 && isLegal2)
+    {
+        return mag(collapsePoint_ - pt) < 1e-9;//SMALL;
+    }
+    else
+    {
+        return isLegal1 == isLegal2;
+    }
+}
+
+
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::pointEdgeCollapse::pointEdgeCollapse()
 :
     collapsePoint_(GREAT, GREAT, GREAT),
@@ -110,7 +124,6 @@ inline Foam::pointEdgeCollapse::pointEdgeCollapse()
 {}
 
 
-// Construct from origin, distance
 inline Foam::pointEdgeCollapse::pointEdgeCollapse
 (
     const point& collapsePoint,
@@ -126,40 +139,6 @@ inline Foam::pointEdgeCollapse::pointEdgeCollapse
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline const Foam::point& Foam::pointEdgeCollapse::collapsePoint() const
-{
-    return collapsePoint_;
-}
-
-
-inline Foam::label Foam::pointEdgeCollapse::collapseIndex() const
-{
-    return collapseIndex_;
-}
-
-
-inline Foam::label Foam::pointEdgeCollapse::collapsePriority() const
-{
-    return collapsePriority_;
-}
-
-
-inline bool Foam::pointEdgeCollapse::samePoint(const point& pt) const
-{
-    bool isLegal1 = (cmptMin(collapsePoint_) < 0.5*GREAT);
-    bool isLegal2 = (cmptMin(pt) < 0.5*GREAT);
-
-    if (isLegal1 && isLegal2)
-    {
-        return mag(collapsePoint_ - pt) < 1e-9;//SMALL;
-    }
-    else
-    {
-        return isLegal1 == isLegal2;
-    }
-}
-
-
 template<class TrackingData>
 inline bool Foam::pointEdgeCollapse::valid(TrackingData& td) const
 {
@@ -282,7 +261,7 @@ inline bool Foam::pointEdgeCollapse::equal
 
 inline bool Foam::pointEdgeCollapse::operator==
 (
-    const Foam::pointEdgeCollapse& rhs
+    const pointEdgeCollapse& rhs
 ) const
 {
     return
@@ -294,7 +273,7 @@ inline bool Foam::pointEdgeCollapse::operator==
 
 inline bool Foam::pointEdgeCollapse::operator!=
 (
-    const Foam::pointEdgeCollapse& rhs
+    const pointEdgeCollapse& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementData.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementData.C
index 35dc89d75ce..13ee823d946 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementData.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementData.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -28,23 +28,23 @@ License
 
 #include "refinementData.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::refinementData& wDist
+    Ostream& os,
+    const refinementData& rhs
 )
 {
     if (os.format() == IOstream::ASCII)
     {
-        os << wDist.refinementCount_ << token::SPACE << wDist.count_;
+        os << rhs.refinementCount_ << token::SPACE << rhs.count_;
     }
     else
     {
         os.write
         (
-            reinterpret_cast<const char*>(&wDist.refinementCount_),
+            reinterpret_cast<const char*>(&rhs.refinementCount_),
             sizeof(refinementData)
         );
     }
@@ -54,18 +54,22 @@ Foam::Ostream& Foam::operator<<
 }
 
 
-Foam::Istream& Foam::operator>>(Foam::Istream& is, Foam::refinementData& wDist)
+Foam::Istream& Foam::operator>>
+(
+    Istream& is,
+    refinementData& rhs
+)
 {
     if (is.format() == IOstream::ASCII)
     {
-        is >> wDist.refinementCount_ >> wDist.count_;
+        is >> rhs.refinementCount_ >> rhs.count_;
     }
     else
     {
         Detail::readContiguous<refinementData>
         (
             is,
-            reinterpret_cast<char*>(&wDist.refinementCount_),
+            reinterpret_cast<char*>(&rhs.refinementCount_),
             sizeof(refinementData)
         );
     }
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementData.H b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementData.H
index e7c19d7b266..1c72c872e4e 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementData.H
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -56,14 +56,13 @@ class refinementData;
 Istream& operator>>(Istream&, refinementData&);
 Ostream& operator<<(Ostream&, const refinementData&);
 
-
 /*---------------------------------------------------------------------------*\
                            Class refinementData Declaration
 \*---------------------------------------------------------------------------*/
 
 class refinementData
 {
-    // Private data
+    // Private Data
 
         //- Count which triggers refinement
         label refinementCount_;
@@ -75,7 +74,7 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline refinementData();
 
         //- Construct from count
@@ -86,27 +85,25 @@ public:
 
         // Access
 
-            inline label refinementCount() const
+            label refinementCount() const
             {
                 return refinementCount_;
             }
-
-            inline label& refinementCount()
+            label& refinementCount()
             {
                 return refinementCount_;
             }
 
-            inline label count() const
+            label count() const
             {
                 return count_;
             }
-
-            inline label& count()
+            label& count()
             {
                 return count_;
             }
 
-            inline bool isRefined() const
+            bool isRefined() const
             {
                 return count_ >= refinementCount_;
             }
@@ -115,12 +112,11 @@ public:
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -197,16 +193,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const refinementData&, TrackingData& td) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const refinementData&) const;
 
+        //- Test for inequality
         inline bool operator!=(const refinementData&) const;
 
 
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDataI.H b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDataI.H
index 95da8d3fe8b..f8bdaae0cbe 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDataI.H
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDataI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,7 +28,6 @@ License
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::refinementData::refinementData()
 :
     refinementCount_(-1),
@@ -35,7 +35,6 @@ inline Foam::refinementData::refinementData()
 {}
 
 
-// Construct from components
 inline Foam::refinementData::refinementData
 (
     const label refinementCount,
@@ -251,15 +250,19 @@ inline bool Foam::refinementData::equal
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-inline bool Foam::refinementData::operator==(const Foam::refinementData& rhs)
- const
+inline bool Foam::refinementData::operator==
+(
+    const refinementData& rhs
+) const
 {
-    return count() == rhs.count() && refinementCount() == rhs.refinementCount();
+    return count_ == rhs.count_ && refinementCount_ == rhs.refinementCount_;
 }
 
 
-inline bool Foam::refinementData::operator!=(const Foam::refinementData& rhs)
- const
+inline bool Foam::refinementData::operator!=
+(
+    const refinementData& rhs
+) const
 {
     return !(*this == rhs);
 }
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceData.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceData.C
index de2cb7171a7..c3aa09374a7 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceData.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceData.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,27 +28,27 @@ License
 
 #include "refinementDistanceData.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::refinementDistanceData& wDist
+    Ostream& os,
+    const refinementDistanceData& rhs
 )
 {
     return os
-        << wDist.level0Size_ << token::SPACE << wDist.origin_
-        << token::SPACE << wDist.originLevel_;
+        << rhs.level0Size_ << token::SPACE << rhs.origin_
+        << token::SPACE << rhs.originLevel_;
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::refinementDistanceData& wDist
+    Istream& is,
+    refinementDistanceData& rhs
 )
 {
-    return is >> wDist.level0Size_ >> wDist.origin_ >> wDist.originLevel_;
+    return is >> rhs.level0Size_ >> rhs.origin_ >> rhs.originLevel_;
 }
 
 
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceData.H b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceData.H
index e103075202f..5e0cecacd9b 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceData.H
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -63,7 +63,7 @@ Ostream& operator<<(Ostream&, const refinementDistanceData&);
 
 class refinementDistanceData
 {
-    // Private data
+    // Private Data
 
         //- Unrefined (level0) buffer size (nBufferLayers*level0Size)
         scalar level0Size_;
@@ -75,7 +75,8 @@ class refinementDistanceData
 
     // Private Member Functions
 
-        //- Updates with neighbouring data. Returns true if something changed.
+        //- Updates with neighbouring data.
+        //  \return true if something changed.
         template<class TrackingData>
         inline bool update
         (
@@ -89,7 +90,7 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline refinementDistanceData();
 
         //- Construct from count
@@ -105,32 +106,29 @@ public:
 
         // Access
 
-            inline scalar level0Size() const
+            scalar level0Size() const
             {
                 return level0Size_;
             }
-
-            inline scalar& level0Size()
+            scalar& level0Size()
             {
                 return level0Size_;
             }
 
-            inline const point& origin() const
+            const point& origin() const
             {
                 return origin_;
             }
-
-            inline point& origin()
+            point& origin()
             {
                 return origin_;
             }
 
-            inline label originLevel() const
+            label originLevel() const
             {
                 return originLevel_;
             }
-
-            inline label& originLevel()
+            label& originLevel()
             {
                 return originLevel_;
             }
@@ -138,19 +136,18 @@ public:
 
         // Other
 
-            //- Calculates the wanted level at a given point. Walks out from
-            //  the origin.
+            //- Calculates the wanted level at a given point.
+            //  Walks out from the origin.
             inline label wantedLevel(const point& pt) const;
 
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData&) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -227,19 +224,18 @@ public:
                 TrackingData&
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
-            inline bool equal
-            (
-                const refinementDistanceData&,
-                TrackingData&
-            ) const;
+            inline bool equal(const refinementDistanceData&, TrackingData&)
+            const;
+
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const refinementDistanceData&) const;
 
+        //- Test for inequality
         inline bool operator!=(const refinementDistanceData&) const;
 
 
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceDataI.H b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceDataI.H
index 04d3a30ad54..e7995019e60 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceDataI.H
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/refinementDistanceDataI.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -31,9 +31,10 @@ License
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
-// Returns the wanted level
-inline Foam::label Foam::refinementDistanceData::wantedLevel(const point& pt)
- const
+inline Foam::label Foam::refinementDistanceData::wantedLevel
+(
+    const point& pt
+) const
 {
     const scalar distSqr = magSqr(pt-origin_);
 
@@ -122,14 +123,12 @@ inline bool Foam::refinementDistanceData::update
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::refinementDistanceData::refinementDistanceData()
 :
     level0Size_(-1)
 {}
 
 
-// Construct from components
 inline Foam::refinementDistanceData::refinementDistanceData
 (
     const scalar level0Size,
@@ -283,7 +282,7 @@ inline bool Foam::refinementDistanceData::equal
 
 inline bool Foam::refinementDistanceData::operator==
 (
-    const Foam::refinementDistanceData& rhs
+    const refinementDistanceData& rhs
 ) const
 {
     return
@@ -295,7 +294,7 @@ inline bool Foam::refinementDistanceData::operator==
 
 inline bool Foam::refinementDistanceData::operator!=
 (
-    const Foam::refinementDistanceData& rhs
+    const refinementDistanceData& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/finiteVolume/finiteVolume/fvc/fvcSmooth/smoothData.H b/src/finiteVolume/finiteVolume/fvc/fvcSmooth/smoothData.H
index f425d036346..546d56faea7 100644
--- a/src/finiteVolume/finiteVolume/fvc/fvcSmooth/smoothData.H
+++ b/src/finiteVolume/finiteVolume/fvc/fvcSmooth/smoothData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -44,33 +44,27 @@ SourceFiles
 namespace Foam
 {
 
+// Forward Declarations
+class smoothData;
+
+Ostream& operator<<(Ostream&, const smoothData&);
+Istream& operator>>(Istream&, smoothData&);
+
 /*---------------------------------------------------------------------------*\
                        Class smoothData Declaration
 \*---------------------------------------------------------------------------*/
 
 class smoothData
 {
+    // Private Data
 
-public:
-
-    //- Class used to pass additional data in
-    class trackData
-    {
-    public:
-
-        //- Cut off distance
-        scalar maxRatio;
-    };
-
-
-private:
+        scalar value_;
 
-    scalar value_;
 
     // Private Member Functions
 
-        //- Update - gets information from neighbouring face/cell and
-        //  uses this to update itself (if necessary) and return true
+        //- Update gets information from neighbouring face/cell and
+        //- uses this to update itself (if necessary) and return true
         template<class TrackingData>
         inline bool update
         (
@@ -83,10 +77,28 @@ private:
 
 public:
 
+    //- Class used to pass additional data in
+    class trackData
+    {
+    public:
+
+        //- Cut off distance
+        scalar maxRatio;
+    };
+
+
+    // Generated Methods
+
+        //- Copy construct
+        smoothData(const smoothData&) = default;
+
+        //- Copy assignment
+        smoothData& operator=(const smoothData&) = default;
+
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline smoothData();
 
         //- Construct from inverse field value
@@ -103,16 +115,20 @@ public:
                 return value_;
             }
 
+            //- The value
+            scalar& value()
+            {
+                return value_;
+            }
+
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data
-            //  Used for cyclics checking
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -123,7 +139,7 @@ public:
             ) const;
 
             //- Convert any absolute coordinates into relative to
-            //  (patch)face centre
+            //- (patch)face centre
             template<class TrackingData>
             inline void leaveDomain
             (
@@ -189,36 +205,37 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const smoothData&, TrackingData& td) const;
 
 
-        // Member Operators
+    // Member Operators
 
-            inline void operator=(const scalar value);
+        //- Assign new value
+        void operator=(const scalar value)
+        {
+            value_ = value;
+        }
 
-            // Needed for List IO
-            inline bool operator==(const smoothData&) const;
+        //- Test for equality
+        inline bool operator==(const smoothData&) const;
 
-            inline bool operator!=(const smoothData&) const;
+        //- Test for inequality
+        inline bool operator!=(const smoothData&) const;
 
 
-        // IOstream Operators
+    // IOstream Operators
 
-            friend Ostream& operator<<
-            (
-                Ostream& os,
-                const smoothData& svf
-            )
-            {
-                return os  << svf.value_;
-            }
+        friend Ostream& operator<<(Ostream& os, const smoothData& rhs)
+        {
+            return os << rhs.value_;
+        }
 
-            friend Istream& operator>>(Istream& is, smoothData& svf)
-            {
-                return is  >> svf.value_;
-            }
+        friend Istream& operator>>(Istream& is, smoothData& rhs)
+        {
+            return is >> rhs.value_;
+        }
 };
 
 
diff --git a/src/finiteVolume/finiteVolume/fvc/fvcSmooth/smoothDataI.H b/src/finiteVolume/finiteVolume/fvc/fvcSmooth/smoothDataI.H
index 5386127837a..301b478d215 100644
--- a/src/finiteVolume/finiteVolume/fvc/fvcSmooth/smoothDataI.H
+++ b/src/finiteVolume/finiteVolume/fvc/fvcSmooth/smoothDataI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -192,21 +193,12 @@ inline bool Foam::smoothData::equal
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-inline void Foam::smoothData::operator=
-(
-    const scalar value
-)
-{
-    value_ = value;
-}
-
-
 inline bool Foam::smoothData::operator==
 (
     const smoothData& rhs
 ) const
 {
-    return value_ == rhs.value();
+    return value_ == rhs.value_;
 }
 
 
diff --git a/src/finiteVolume/finiteVolume/fvc/fvcSmooth/sweepData.H b/src/finiteVolume/finiteVolume/fvc/fvcSmooth/sweepData.H
index aad84f23370..fea4a8986e2 100644
--- a/src/finiteVolume/finiteVolume/fvc/fvcSmooth/sweepData.H
+++ b/src/finiteVolume/finiteVolume/fvc/fvcSmooth/sweepData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -44,19 +44,29 @@ SourceFiles
 namespace Foam
 {
 
+// Forward Declarations
+class sweepData;
+
+Ostream& operator<<(Ostream&, const sweepData&);
+Istream& operator>>(Istream&, sweepData&);
+
 /*---------------------------------------------------------------------------*\
                        Class sweepData Declaration
 \*---------------------------------------------------------------------------*/
 
 class sweepData
 {
-    scalar value_;
-    point origin_;
+    // Private Data
+
+        scalar value_;
+
+        point origin_;
+
 
     // Private Member Functions
 
-        //- Update - gets information from neighbouring face/cell and
-        //  uses this to update itself (if necessary) and return true
+        //- Update gets information from neighbouring face/cell and
+        //- uses this to update itself (if necessary) and return true
         template<class TrackingData>
         inline bool update
         (
@@ -69,12 +79,21 @@ class sweepData
 
 public:
 
+    // Generated Methods
+
+        //- Copy construct
+        sweepData(const sweepData&) = default;
+
+        //- Copy assignment
+        sweepData& operator=(const sweepData&) = default;
+
+
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline sweepData();
 
-        //- Construct from component
+        //- Construct from components
         inline sweepData(const scalar value, const point& origin);
 
 
@@ -88,6 +107,12 @@ public:
                 return value_;
             }
 
+            //- The value
+            scalar& value()
+            {
+                return value_;
+            }
+
             //- Return origin
             const point& origin() const
             {
@@ -97,13 +122,11 @@ public:
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data
-            //  Used for cyclics checking
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -180,36 +203,37 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const sweepData&, TrackingData& td) const;
 
 
-        // Member Operators
+    // Member Operators
 
-            inline void operator=(const scalar value);
+        //- Assign new value
+        void operator=(const scalar value)
+        {
+            value_ = value;
+        }
 
-            // Needed for List IO
-            inline bool operator==(const sweepData&) const;
+        //- Test for equality
+        inline bool operator==(const sweepData&) const;
 
-            inline bool operator!=(const sweepData&) const;
+        //- Test for inequality
+        inline bool operator!=(const sweepData&) const;
 
 
-        // IOstream Operators
+    // IOstream Operators
 
-            friend Ostream& operator<<
-            (
-                Ostream& os,
-                const sweepData& svf
-            )
-            {
-                return os << svf.value_ << svf.origin_;
-            }
+        friend Ostream& operator<<(Ostream& os, const sweepData& rhs)
+        {
+            return os << rhs.value_ << rhs.origin_;
+        }
 
-            friend Istream& operator>>(Istream& is, sweepData& svf)
-            {
-                return is >> svf.value_ >> svf.origin_;
-            }
+        friend Istream& operator>>(Istream& is, sweepData& rhs)
+        {
+            return is >> rhs.value_ >> rhs.origin_;
+        }
 };
 
 
diff --git a/src/finiteVolume/finiteVolume/fvc/fvcSmooth/sweepDataI.H b/src/finiteVolume/finiteVolume/fvc/fvcSmooth/sweepDataI.H
index 31e73043258..a57cfcd8801 100644
--- a/src/finiteVolume/finiteVolume/fvc/fvcSmooth/sweepDataI.H
+++ b/src/finiteVolume/finiteVolume/fvc/fvcSmooth/sweepDataI.H
@@ -44,7 +44,7 @@ inline bool Foam::sweepData::update
         return true;
     }
 
-    scalar myDist2 = magSqr(position - origin());
+    const scalar myDist2 = magSqr(position - origin());
 
     if (myDist2 < SMALL)
     {
@@ -76,11 +76,15 @@ inline bool Foam::sweepData::update
 inline Foam::sweepData::sweepData()
 :
     value_(-GREAT),
-    origin_(vector::max)
+    origin_(point::max)
 {}
 
 
-inline Foam::sweepData::sweepData(const scalar value, const point& origin)
+inline Foam::sweepData::sweepData
+(
+    const scalar value,
+    const point& origin
+)
 :
     value_(value),
     origin_(origin)
@@ -208,21 +212,12 @@ inline bool Foam::sweepData::equal
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-inline void Foam::sweepData::operator=
-(
-    const scalar value
-)
-{
-    value_ = value;
-}
-
-
 inline bool Foam::sweepData::operator==
 (
     const sweepData& rhs
 ) const
 {
-    return origin() == rhs.origin();
+    return origin_ == rhs.origin_;
 }
 
 
diff --git a/src/finiteVolume/fvMesh/wallDist/wallPointYPlus/wallPointYPlusI.H b/src/finiteVolume/fvMesh/wallDist/wallPointYPlus/wallPointYPlusI.H
index d7ecccfb6d8..18ff15e8a05 100644
--- a/src/finiteVolume/fvMesh/wallDist/wallPointYPlus/wallPointYPlusI.H
+++ b/src/finiteVolume/fvMesh/wallDist/wallPointYPlus/wallPointYPlusI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -25,16 +26,11 @@ License
 
 \*---------------------------------------------------------------------------*/
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-namespace Foam
-{
-
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
 // Update this with w2 if w2 nearer to pt.
 template<class TrackingData>
-inline bool wallPointYPlus::update
+inline bool Foam::wallPointYPlus::update
 (
     const point& pt,
     const wallPointYPlus& w2,
@@ -42,11 +38,11 @@ inline bool wallPointYPlus::update
     TrackingData& td
 )
 {
-    scalar dist2 = magSqr(pt - w2.origin());
+    const scalar dist2 = magSqr(pt - w2.origin());
 
     if (valid(td))
     {
-        scalar diff = distSqr() - dist2;
+        const scalar diff = distSqr() - dist2;
 
         if (diff < 0)
         {
@@ -65,7 +61,7 @@ inline bool wallPointYPlus::update
     // Either *this is not yet valid or w2 is closer
     {
         // only propagate if interesting (i.e. y+ < 100)
-        scalar yPlus = Foam::sqrt(dist2)/w2.data();
+        const scalar yPlus = Foam::sqrt(dist2)/w2.data();
 
         if (yPlus < yPlusCutOff)
         {
@@ -86,8 +82,7 @@ inline bool wallPointYPlus::update
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
-inline wallPointYPlus::wallPointYPlus()
+inline Foam::wallPointYPlus::wallPointYPlus()
 :
     wallPointData<scalar>()
 {
@@ -96,8 +91,7 @@ inline wallPointYPlus::wallPointYPlus()
 }
 
 
-// Construct from components
-inline wallPointYPlus::wallPointYPlus
+inline Foam::wallPointYPlus::wallPointYPlus
 (
     const point& origin,
     const scalar yStar,
@@ -112,7 +106,7 @@ inline wallPointYPlus::wallPointYPlus
 
 // Update this with w2 if w2 nearer to pt.
 template<class TrackingData>
-inline bool wallPointYPlus::updateCell
+inline bool Foam::wallPointYPlus::updateCell
 (
     const polyMesh& mesh,
     const label thisCelli,
@@ -136,7 +130,7 @@ inline bool wallPointYPlus::updateCell
 
 // Update this with w2 if w2 nearer to pt.
 template<class TrackingData>
-inline bool wallPointYPlus::updateFace
+inline bool Foam::wallPointYPlus::updateFace
 (
     const polyMesh& mesh,
     const label thisFacei,
@@ -160,7 +154,7 @@ inline bool wallPointYPlus::updateFace
 
 // Update this with w2 if w2 nearer to pt.
 template<class TrackingData>
-inline bool wallPointYPlus::updateFace
+inline bool Foam::wallPointYPlus::updateFace
 (
     const polyMesh& mesh,
     const label thisFacei,
@@ -181,8 +175,4 @@ inline bool wallPointYPlus::updateFace
 }
 
 
-// ************************************************************************* //
-
-} // End namespace Foam
-
 // ************************************************************************* //
diff --git a/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientation.C b/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientation.C
index 5b1b7d71f87..9db5feeb40b 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientation.C
+++ b/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientation.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,25 +28,25 @@ License
 
 #include "patchFaceOrientation.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::patchFaceOrientation& wDist
+    Ostream& os,
+    const patchFaceOrientation& rhs
 )
 {
-    return os << wDist.flipStatus_;
+    return os << rhs.flipStatus_;
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::patchFaceOrientation& wDist
+    Istream& is,
+    patchFaceOrientation& rhs
 )
 {
-    return is >> wDist.flipStatus_;
+    return is >> rhs.flipStatus_;
 }
 
 
diff --git a/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientation.H b/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientation.H
index edbbf70cd57..bf6d5df1caa 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientation.H
+++ b/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientation.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2015 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -54,14 +54,13 @@ class patchFaceOrientation;
 Istream& operator>>(Istream&, patchFaceOrientation&);
 Ostream& operator<<(Ostream&, const patchFaceOrientation&);
 
-
 /*---------------------------------------------------------------------------*\
-                           Class patchFaceOrientation Declaration
+                    Class patchFaceOrientation Declaration
 \*---------------------------------------------------------------------------*/
 
 class patchFaceOrientation
 {
-    // Private data
+    // Private Data
 
         //- Flip status
         label flipStatus_;
@@ -70,7 +69,7 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline patchFaceOrientation();
 
         //- Construct from components
@@ -79,17 +78,21 @@ public:
 
     // Member Functions
 
+    // Access
+
         //- Orientation
-        inline label flipStatus() const;
+        label flipStatus() const
+        {
+            return flipStatus_;
+        }
 
-        //- Reverse orientation
+        //- Reverse the orientation
         inline void flip();
 
 
-        // Needed by meshWave
+        // Needed by MeshWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
@@ -142,15 +145,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const patchFaceOrientation&, TrackingData&) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const patchFaceOrientation&) const;
+
+        //- Test for equality
         inline bool operator!=(const patchFaceOrientation&) const;
 
 
diff --git a/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientationI.H b/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientationI.H
index fef7d0b729d..16f1be13da3 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientationI.H
+++ b/src/mesh/snappyHexMesh/meshRefinement/patchFaceOrientationI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -29,7 +30,7 @@ License
 #include "transform.H"
 #include "orientedSurface.H"
 
-// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 inline Foam::patchFaceOrientation::patchFaceOrientation()
 :
@@ -48,12 +49,6 @@ inline Foam::patchFaceOrientation::patchFaceOrientation
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline Foam::label Foam::patchFaceOrientation::flipStatus() const
-{
-    return flipStatus_;
-}
-
-
 inline void Foam::patchFaceOrientation::flip()
 {
     if (flipStatus_ == orientedSurface::NOFLIP)
@@ -210,16 +205,16 @@ inline bool Foam::patchFaceOrientation::equal
 
 inline bool Foam::patchFaceOrientation::operator==
 (
-    const Foam::patchFaceOrientation& rhs
+    const patchFaceOrientation& rhs
 ) const
 {
-    return flipStatus() == rhs.flipStatus();
+    return flipStatus_ == rhs.flipStatus_;
 }
 
 
 inline bool Foam::patchFaceOrientation::operator!=
 (
-    const Foam::patchFaceOrientation& rhs
+    const patchFaceOrientation& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/mesh/snappyHexMesh/meshRefinement/transportData.H b/src/mesh/snappyHexMesh/meshRefinement/transportData.H
index 6089ba8b24b..a964429cda1 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/transportData.H
+++ b/src/mesh/snappyHexMesh/meshRefinement/transportData.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2015-2019 OpenCFD Ltd.
+    Copyright (C) 2015-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -77,9 +77,9 @@ private:
 
     // Private Member Functions
 
-        //- Evaluate distance to point. Update distSqr, origin from whomever
-        //  is nearer pt. Return true if w2 is closer to point,
-        //  false otherwise.
+        //- Evaluate distance to point.
+        //  Update distSqr, origin from whomever is nearer pt.
+        //  \return true if w2 is closer to point, false otherwise.
         template<class TrackingData>
         inline bool update
         (
diff --git a/src/mesh/snappyHexMesh/meshRefinement/transportDataI.H b/src/mesh/snappyHexMesh/meshRefinement/transportDataI.H
index 64861241564..b30ed52c452 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/transportDataI.H
+++ b/src/mesh/snappyHexMesh/meshRefinement/transportDataI.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2015 OpenCFD Ltd.
+    Copyright (C) 2015-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -40,11 +40,11 @@ inline bool Foam::transportData::update
     TrackingData& td
 )
 {
-    scalar dist2 = magSqr(pt - w2.origin());
+    const scalar dist2 = magSqr(pt - w2.origin());
 
     if (valid(td))
     {
-        scalar diff = distSqr() - dist2;
+        const scalar diff = distSqr() - dist2;
 
         if (diff < 0)
         {
diff --git a/src/mesh/snappyHexMesh/meshRefinement/wallPoints.C b/src/mesh/snappyHexMesh/meshRefinement/wallPoints.C
index e95af4bbe74..97a5fb4c64a 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/wallPoints.C
+++ b/src/mesh/snappyHexMesh/meshRefinement/wallPoints.C
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2018-2019 OpenCFD Ltd.
+    Copyright (C) 2018-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,29 +27,29 @@ License
 
 #include "wallPoints.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::wallPoints& wDist
+    Ostream& os,
+    const wallPoints& rhs
 )
 {
     return os
-        << wDist.origin_ << token::SPACE << wDist.distSqr_
-        << token::SPACE << wDist.surface_;  // << token::SPACE << wDist.normal_;
+        << rhs.origin_ << token::SPACE << rhs.distSqr_
+        << token::SPACE << rhs.surface_;  // << token::SPACE << rhs.normal_;
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::wallPoints& wDist
+    Istream& is,
+    wallPoints& rhs
 )
 {
     return is
-        >> wDist.origin_ >> wDist.distSqr_>> wDist.surface_;
-        //>> wDist.normal_;
+        >> rhs.origin_ >> rhs.distSqr_ >> rhs.surface_;
+        //>> rhs.normal_;
 }
 
 
diff --git a/src/mesh/snappyHexMesh/meshRefinement/wallPoints.H b/src/mesh/snappyHexMesh/meshRefinement/wallPoints.H
index e0bbec0f3b9..fe8aad6818e 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/wallPoints.H
+++ b/src/mesh/snappyHexMesh/meshRefinement/wallPoints.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2018-2019 OpenCFD Ltd.
+    Copyright (C) 2018-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -48,17 +48,13 @@ SourceFiles
 namespace Foam
 {
 
+// Forward Declarations
 class polyPatch;
 class polyMesh;
-
-// Forward declaration of friend functions and operators
-
 class wallPoints;
-
 Istream& operator>>(Istream&, wallPoints&);
 Ostream& operator<<(Ostream&, const wallPoints&);
 
-
 /*---------------------------------------------------------------------------*\
                            Class wallPoints Declaration
 \*---------------------------------------------------------------------------*/
@@ -67,7 +63,7 @@ class wallPoints
 {
 protected:
 
-    // Protected data
+    // Protected Data
 
         //- Starting points
         DynamicList<point> origin_;
@@ -84,9 +80,9 @@ protected:
 
     // Protected Member Functions
 
-        //- Evaluate distance to point. Update distSqr, origin from whomever
-        //  is nearer pt. Return true if w2 is closer to point,
-        //  false otherwise.
+        //- Evaluate distance to point.
+        //  Update distSqr, origin from whomever is nearer pt.
+        //  \return true if w2 is closer to point, false otherwise.
         template<class TrackingData>
         inline bool update
         (
@@ -104,7 +100,7 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline wallPoints();
 
         //- Construct from count
@@ -121,21 +117,21 @@ public:
 
         // Access
 
-            inline const List<point>& origin() const
+            const List<point>& origin() const
             {
                 return origin_;
             }
-            inline const List<scalar>& distSqr() const
+            const List<scalar>& distSqr() const
             {
                 return distSqr_;
             }
 
-            inline const List<FixedList<label, 3>>& surface() const
+            const List<FixedList<label, 3>>& surface() const
             {
                 return surface_;
             }
 
-            //inline const List<vector>& normal() const
+            //const List<vector>& normal() const
             //{
             //    return normal_;
             //}
@@ -143,12 +139,11 @@ public:
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -225,16 +220,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const wallPoints&, TrackingData&) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const wallPoints&) const;
 
+        //- Test for inequality
         inline bool operator!=(const wallPoints&) const;
 
 
diff --git a/src/mesh/snappyHexMesh/meshRefinement/wallPointsI.H b/src/mesh/snappyHexMesh/meshRefinement/wallPointsI.H
index 05093ce0ccf..89d84a3660a 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/wallPointsI.H
+++ b/src/mesh/snappyHexMesh/meshRefinement/wallPointsI.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2018-2019 OpenCFD Ltd.
+    Copyright (C) 2018-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -42,7 +42,7 @@ inline bool Foam::wallPoints::update
     TrackingData& td
 )
 {
-    scalar dist2 = magSqr(pt - w2.origin_[index2]);
+    const scalar dist2 = magSqr(pt - w2.origin_[index2]);
 
     if (!valid(td))
     {
@@ -55,7 +55,7 @@ inline bool Foam::wallPoints::update
         return true;
     }
 
-    scalar diff = distSqr_[index1] - dist2;
+    const scalar diff = distSqr_[index1] - dist2;
 
     if (diff < 0)
     {
@@ -329,7 +329,7 @@ inline bool Foam::wallPoints::equal
 
 inline bool Foam::wallPoints::operator==
 (
-    const Foam::wallPoints& rhs
+    const wallPoints& rhs
 ) const
 {
     return
@@ -342,7 +342,7 @@ inline bool Foam::wallPoints::operator==
 
 inline bool Foam::wallPoints::operator!=
 (
-    const Foam::wallPoints& rhs
+    const wallPoints& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/PointIntegrateData/PointIntegrateData.H b/src/mesh/snappyHexMesh/snappyHexMeshDriver/PointIntegrateData/PointIntegrateData.H
index 27911db3e62..afbccd3b241 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/PointIntegrateData/PointIntegrateData.H
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/PointIntegrateData/PointIntegrateData.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2018-2019 OpenCFD Ltd.
+    Copyright (C) 2018-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -59,9 +59,7 @@ Istream& operator>>(Istream&, PointIntegrateData<DataType>&);
 template<class DataType>
 class PointIntegrateData
 {
-private:
-
-    // Private data
+    // Private Data
 
         //- Valid flag
         bool valid_;
@@ -88,7 +86,7 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline PointIntegrateData();
 
         //- Construct from data
@@ -99,8 +97,11 @@ public:
 
         // Access
 
-            //- Const access the data
-            inline const DataType& data() const
+            const DataType& data() const
+            {
+                return data_;
+            };
+            DataType& data()
             {
                 return data_;
             };
@@ -108,11 +109,11 @@ public:
 
         // Needed by PointEdgeWave
 
-            //- Check whether original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -122,7 +123,7 @@ public:
             ) const;
 
             //- Convert origin to relative vector to leaving point
-            //  (= point coordinate)
+            //- (= point coordinate)
             template<class TrackingData>
             inline void leaveDomain
             (
@@ -196,7 +197,7 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal
             (
@@ -207,8 +208,10 @@ public:
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const PointIntegrateData<DataType>&) const;
+
+        //- Test for inequality
         inline bool operator!=(const PointIntegrateData<DataType>&) const;
 
 
diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/PointIntegrateData/PointIntegrateDataI.H b/src/mesh/snappyHexMesh/snappyHexMeshDriver/PointIntegrateData/PointIntegrateDataI.H
index f5b2d35a187..a6699fc5ced 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/PointIntegrateData/PointIntegrateDataI.H
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/PointIntegrateData/PointIntegrateDataI.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2018-2019 OpenCFD Ltd.
+    Copyright (C) 2018-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -215,7 +215,6 @@ inline bool Foam::PointIntegrateData<DataType>::updateEdge
 }
 
 
-//- Same (like operator==)
 template<class DataType>
 template<class TrackingData>
 inline bool Foam::PointIntegrateData<DataType>::equal
@@ -246,9 +245,8 @@ inline bool Foam::PointIntegrateData<DataType>::equal
 template<class DataType>
 inline bool Foam::PointIntegrateData<DataType>::operator==
 (
-    const Foam::PointIntegrateData<DataType>& rhs
-)
-const
+    const PointIntegrateData<DataType>& rhs
+) const
 {
     return this->data_ == rhs.data_;
 }
@@ -257,30 +255,29 @@ const
 template<class DataType>
 inline bool Foam::PointIntegrateData<DataType>::operator!=
 (
-    const Foam::PointIntegrateData<DataType>& rhs
-)
-const
+    const PointIntegrateData<DataType>& rhs
+) const
 {
     return !(*this == rhs);
 }
 
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 template<class DataType>
 inline Foam::Ostream& Foam::operator<<
 (
     Ostream& os,
-    const PointIntegrateData<DataType>& pd
+    const PointIntegrateData<DataType>& rhs
 )
 {
     if (os.format() == IOstream::ASCII)
     {
-        return os << pd.valid_ << token::SPACE << pd.data();
+        return os << rhs.valid_ << token::SPACE << rhs.data();
     }
     else
     {
-        return os << pd.valid_ << pd.data();
+        return os << rhs.valid_ << rhs.data();
     }
 }
 
@@ -289,10 +286,10 @@ template<class DataType>
 inline Foam::Istream& Foam::operator>>
 (
     Istream& is,
-    PointIntegrateData<DataType>& pd
+    PointIntegrateData<DataType>& rhs
 )
 {
-    return is >> pd.valid_ >> pd.data_;
+    return is >> rhs.valid_ >> rhs.data_;
 }
 
 
diff --git a/src/meshTools/algorithms/MeshWave/FaceCellWave.C b/src/meshTools/algorithms/MeshWave/FaceCellWave.C
index 783c6393ee3..877b95096ca 100644
--- a/src/meshTools/algorithms/MeshWave/FaceCellWave.C
+++ b/src/meshTools/algorithms/MeshWave/FaceCellWave.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2018 OpenCFD Ltd.
+    Copyright (C) 2018-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -50,6 +50,7 @@ Foam::scalar Foam::FaceCellWave<Type, TrackingData>::propagationTol_ = 0.01;
 template<class Type, class TrackingData>
 int Foam::FaceCellWave<Type, TrackingData>::dummyTrackData_ = 12345;
 
+
 namespace Foam
 {
     template<class Type, class TrackingData>
@@ -61,7 +62,7 @@ namespace Foam
 
         const cyclicAMIPolyPatch& patch_;
 
-        public:
+    public:
 
             combine
             (
diff --git a/src/meshTools/algorithms/MeshWave/FaceCellWave.H b/src/meshTools/algorithms/MeshWave/FaceCellWave.H
index e562878d51f..b03cc805bd4 100644
--- a/src/meshTools/algorithms/MeshWave/FaceCellWave.H
+++ b/src/meshTools/algorithms/MeshWave/FaceCellWave.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2018 OpenCFD Ltd.
+    Copyright (C) 2018-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -60,7 +60,7 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declarations
+// Forward Declarations
 class polyMesh;
 class polyPatch;
 
@@ -80,15 +80,6 @@ class FaceCellWave
 :
     public FaceCellWaveName
 {
-    // Private Member Functions
-
-        //- No copy construct
-        FaceCellWave(const FaceCellWave&) = delete;
-
-        //- No copy assignment
-        void operator=(const FaceCellWave&) = delete;
-
-
 protected:
 
     //- Information tagged with a source or destination id.
@@ -96,6 +87,15 @@ protected:
     typedef std::pair<label,Type> taggedInfoType;
 
 
+    // Protected Static Data
+
+        static const scalar geomTol_;
+        static scalar propagationTol_;
+
+        //- Default trackdata value to satisfy default template argument.
+        static int dummyTrackData_;
+
+
     // Protected Data
 
         //- Reference to mesh
@@ -257,14 +257,11 @@ protected:
             void handleExplicitConnections();
 
 
-      // Protected static data
-
-            static const scalar geomTol_;
-            static scalar propagationTol_;
+        //- No copy construct
+        FaceCellWave(const FaceCellWave&) = delete;
 
-            //- Used as default trackdata value to satisfy default template
-            //  argument.
-            static int dummyTrackData_;
+        //- No copy assignment
+        void operator=(const FaceCellWave&) = delete;
 
 
 public:
@@ -397,7 +394,6 @@ public:
         //- Iterate until no changes or maxIter reached.
         //  \return the number of iterations taken.
         virtual label iterate(const label maxIter);
-
 };
 
 
diff --git a/src/meshTools/algorithms/MeshWave/FaceCellWaveName.C b/src/meshTools/algorithms/MeshWave/FaceCellWaveName.C
index 0c51d206f24..98ce6fd6ee0 100644
--- a/src/meshTools/algorithms/MeshWave/FaceCellWaveName.C
+++ b/src/meshTools/algorithms/MeshWave/FaceCellWaveName.C
@@ -31,7 +31,7 @@ License
 
 namespace Foam
 {
-defineTypeNameAndDebug(FaceCellWaveName, 0);
+    defineTypeNameAndDebug(FaceCellWaveName, 0);
 }
 
 
diff --git a/src/meshTools/algorithms/MeshWave/MeshWave.H b/src/meshTools/algorithms/MeshWave/MeshWave.H
index f3f4409fba4..eaf327ed92e 100644
--- a/src/meshTools/algorithms/MeshWave/MeshWave.H
+++ b/src/meshTools/algorithms/MeshWave/MeshWave.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -60,7 +61,13 @@ class MeshWave
 :
     public MeshWaveName
 {
-    // Private data
+    // Private Static Data
+
+        //- Default trackdata value to satisfy default template argument.
+        static int dummyTrackData_;
+
+
+    // Private Data
 
         //- Wall information for all faces
         List<Type> allFaceInfo_;
@@ -71,6 +78,7 @@ class MeshWave
         //- Wave calculation engine.
         FaceCellWave<Type, TrackingData> calc_;
 
+
     // Private Member Functions
 
         //- No copy construct
@@ -79,18 +87,14 @@ class MeshWave
         //- No copy assignment
         void operator=(const MeshWave&) = delete;
 
-      // Private static data
-
-            //- Used as default trackdata value to satisfy default template
-            //  argument.
-            static int dummyTrackData_;
 
 public:
 
     // Constructors
 
         //- Construct from mesh and list of changed faces with the Type
-        //  for these faces. Iterates until nothing changes or maxIter reached.
+        //- for these faces.
+        //  Iterates until nothing changes or maxIter reached.
         //  (maxIter can be 0)
         MeshWave
         (
@@ -102,7 +106,7 @@ public:
         );
 
         //- Construct from mesh, list of changed faces with the Type
-        //  for these faces and initial field.
+        //- for these faces and initial field.
         //  Iterates until nothing changes or maxIter reached.
         //  (maxIter can be 0)
         MeshWave
@@ -136,15 +140,17 @@ public:
             return calc_.data();
         }
 
-        //- Iterate until no changes or maxIter reached. Returns actual
-        //  number of iterations.
+        //- Iterate until no changes or maxIter reached.
+        //  \return actual number of iterations.
         label iterate(const label maxIter)
         {
             return calc_.iterate(maxIter);
         }
 
         //- Number of unvisited cells, i.e. cells that were not (yet)
-        //  reached from walking across mesh. This can happen from
+        //- reached from walking across mesh.
+        //
+        //  This can happen from
         //  - not enough iterations done
         //  - a disconnected mesh
         //  - a mesh without walls in it
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWave.C b/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWave.C
index 23badff9ce6..9da69e3b43e 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWave.C
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWave.C
@@ -415,32 +415,6 @@ PatchEdgeFaceWave
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-template
-<
-    class PrimitivePatchType,
-    class Type,
-    class TrackingData
->
-Foam::label Foam::PatchEdgeFaceWave<PrimitivePatchType, Type, TrackingData>::
-nUnvisitedEdges() const
-{
-    return nUnvisitedEdges_;
-}
-
-
-template
-<
-    class PrimitivePatchType,
-    class Type,
-    class TrackingData
->
-Foam::label Foam::PatchEdgeFaceWave<PrimitivePatchType, Type, TrackingData>::
-nUnvisitedFaces() const
-{
-    return nUnvisitedFaces_;
-}
-
-
 // Copy edge information into member data
 template
 <
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWave.H b/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWave.H
index 7ddd2fb2e88..1ec3e7491de 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWave.H
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWave.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -49,7 +50,7 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declaration of classes
+// Forward Declarations
 class polyMesh;
 
 /*---------------------------------------------------------------------------*\
@@ -73,19 +74,18 @@ class PatchEdgeFaceWave
 :
     public PatchEdgeFaceWaveName
 {
-  // Private static data
+    // Private Static Data
 
-        //- Relative tolerance. Stop propagation if relative changes
-        //  less than this tolerance (responsibility for checking this is
-        //  up to Type implementation)
+        //- Relative tolerance.
+        //  Stop propagation if relative changes less than this tolerance
+        //  (responsibility for checking this is up to Type implementation)
         static scalar propagationTol_;
 
-        //- Used as default trackdata value to satisfy default template
-        //  argument.
+        //- Default trackdata value to satisfy default template argument.
         static label dummyTrackData_;
 
 
-    // Private data
+    // Private Data
 
         //- Reference to mesh
         const polyMesh& mesh_;
@@ -130,8 +130,8 @@ class PatchEdgeFaceWave
 
     // Private Member Functions
 
-        //- Updates edgeInfo with information from neighbour. Updates all
-        //  statistics.
+        //- Updates edgeInfo with information from neighbour.
+        //  Updates all statistics.
         bool updateEdge
         (
             const label edgeI,
@@ -140,8 +140,8 @@ class PatchEdgeFaceWave
             Type& edgeInfo
         );
 
-        //- Updates faceInfo with information from neighbour. Updates all
-        //  statistics.
+        //- Updates faceInfo with information from neighbour.
+        //  Updates all statistics.
         bool updateFace
         (
             const label facei,
@@ -180,7 +180,8 @@ public:
     // Constructors
 
         //- Construct from patch, list of changed edges with the Type
-        //  for these edges. Gets work arrays to operate on, one of size
+        //- for these edges.
+        //  Obtains work arrays to operate on, one of size
         //  number of patch edges, the other number of patch faces.
         //  Iterates until nothing changes or maxIter reached.
         //  (maxIter can be 0)
@@ -196,8 +197,8 @@ public:
             TrackingData& td = dummyTrackData_
         );
 
-        //- Construct from patch. Use setEdgeInfo and iterate() to do
-        //  actual calculation
+        //- Construct from patch.
+        //  Use setEdgeInfo() and iterate() to do actual calculation
         PatchEdgeFaceWave
         (
             const polyMesh& mesh,
@@ -229,13 +230,21 @@ public:
         }
 
         //- Number of unvisited faces, i.e. faces that were not (yet)
-        //  reached from walking across patch. This can happen from
+        //- reached from walking across patch.
+        //
+        //  This can happen from
         //  - not enough iterations done
         //  - a disconnected patch
         //  - a patch without walls in it
-        label nUnvisitedFaces() const;
+        label nUnvisitedFaces() const
+        {
+            return nUnvisitedFaces_;
+        }
 
-        label nUnvisitedEdges() const;
+        label nUnvisitedEdges() const
+        {
+            return nUnvisitedEdges_;
+        }
 
         //- Copy initial data into allEdgeInfo_
         void setEdgeInfo
@@ -244,16 +253,16 @@ public:
             const List<Type>& changedEdgesInfo
         );
 
-        //- Propagate from edge to face. Returns total number of faces
-        //  (over all processors) changed.
+        //- Propagate from edge to face.
+        //  \return total number of faces (over all processors) changed.
         label edgeToFace();
 
-        //- Propagate from face to edge. Returns total number of edges
-        //  (over all processors) changed.
+        //- Propagate from face to edge.
+        //  \return total number of edges (over all processors) changed.
         label faceToEdge();
 
-        //- Iterate until no changes or maxIter reached. Returns actual
-        //  number of iterations.
+        //- Iterate until no changes or maxIter reached.
+        //  \return actual number of iterations.
         label iterate(const label maxIter);
 };
 
@@ -276,6 +285,7 @@ class updateOp
     TrackingData& td_;
 
 public:
+
     updateOp
     (
         const polyMesh& mesh,
@@ -316,6 +326,7 @@ class transformOp
     TrackingData& td_;
 
 public:
+
     transformOp
     (
         const polyMesh& mesh,
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWaveName.C b/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWaveName.C
index 15582ffc1b6..faf6bec50e5 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWaveName.C
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/PatchEdgeFaceWaveName.C
@@ -31,7 +31,7 @@ License
 
 namespace Foam
 {
-defineTypeNameAndDebug(PatchEdgeFaceWaveName, 0);
+    defineTypeNameAndDebug(PatchEdgeFaceWaveName, 0);
 }
 
 
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfo.C b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfo.C
index f305303a915..10839018946 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfo.C
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfo.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,25 +28,25 @@ License
 
 #include "patchEdgeFaceInfo.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::patchEdgeFaceInfo& wDist
+    Ostream& os,
+    const patchEdgeFaceInfo& rhs
 )
 {
-    return os << wDist.origin() << wDist.distSqr();
+    return os << rhs.origin() << rhs.distSqr();
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::patchEdgeFaceInfo& wDist
+    Istream& is,
+    patchEdgeFaceInfo& rhs
 )
 {
-    return is >> wDist.origin_ >> wDist.distSqr_;
+    return is >> rhs.origin_ >> rhs.distSqr_;
 }
 
 
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfo.H b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfo.H
index 1c4d3e8814b..4ea497b8f96 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfo.H
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfo.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -58,14 +58,13 @@ class patchEdgeFaceInfo;
 Istream& operator>>(Istream&, patchEdgeFaceInfo&);
 Ostream& operator<<(Ostream&, const patchEdgeFaceInfo&);
 
-
 /*---------------------------------------------------------------------------*\
                            Class patchEdgeFaceInfo Declaration
 \*---------------------------------------------------------------------------*/
 
 class patchEdgeFaceInfo
 {
-    // Private data
+    // Private Data
 
         //- Position of nearest wall center
         point origin_;
@@ -76,9 +75,9 @@ class patchEdgeFaceInfo
 
     // Private Member Functions
 
-        //- Evaluate distance to point. Update distSqr, origin from whomever
-        //  is nearer pt. Return true if w2 is closer to point,
-        //  false otherwise.
+        //- Evaluate distance to point.
+        //  Update distSqr, origin from whomever is nearer pt.
+        //  \return true if w2 is closer to point, false otherwise.
         template<class TrackingData>
         inline bool update
         (
@@ -103,29 +102,31 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline patchEdgeFaceInfo();
 
-        //- Construct from origin, distance
-        inline patchEdgeFaceInfo(const point&, const scalar);
-
-        //- Construct as copy
-        inline patchEdgeFaceInfo(const patchEdgeFaceInfo&);
+        //- Construct from origin, distance squared
+        inline patchEdgeFaceInfo(const point& origin, const scalar distSqr);
 
 
     // Member Functions
 
         // Access
 
-            inline const point& origin() const;
+            const point& origin() const
+            {
+                return origin_;
+            }
 
-            inline scalar distSqr() const;
+            scalar distSqr() const
+            {
+                return distSqr_;
+            }
 
 
-        // Needed by meshWave
+        // Needed by MeshWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
@@ -178,15 +179,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const patchEdgeFaceInfo&, TrackingData& td) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const patchEdgeFaceInfo&) const;
+
+        //- Test for inequality
         inline bool operator!=(const patchEdgeFaceInfo&) const;
 
 
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfoI.H b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfoI.H
index de65986fd0c..b08570ab6d3 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfoI.H
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceInfoI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -40,7 +41,7 @@ inline bool Foam::patchEdgeFaceInfo::update
     TrackingData& td
 )
 {
-    scalar dist2 = magSqr(pt - w2.origin());
+    const scalar dist2 = magSqr(pt - w2.origin());
 
     if (!valid(td))
     {
@@ -51,7 +52,7 @@ inline bool Foam::patchEdgeFaceInfo::update
         return true;
     }
 
-    scalar diff = distSqr_ - dist2;
+    const scalar diff = distSqr_ - dist2;
 
     if (diff < 0)
     {
@@ -93,7 +94,7 @@ inline bool Foam::patchEdgeFaceInfo::update
         return true;
     }
 
-    scalar diff = distSqr_ - w2.distSqr();
+    const scalar diff = distSqr_ - w2.distSqr();
 
     if (diff < 0)
     {
@@ -119,15 +120,12 @@ inline bool Foam::patchEdgeFaceInfo::update
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::patchEdgeFaceInfo::patchEdgeFaceInfo()
 :
-    origin_(point::max),
-    distSqr_(sqr(GREAT))
+    patchEdgeFaceInfo(point::max, sqr(GREAT))
 {}
 
 
-// Construct from origin, distance
 inline Foam::patchEdgeFaceInfo::patchEdgeFaceInfo
 (
     const point& origin,
@@ -139,28 +137,8 @@ inline Foam::patchEdgeFaceInfo::patchEdgeFaceInfo
 {}
 
 
-// Construct as copy
-inline Foam::patchEdgeFaceInfo::patchEdgeFaceInfo(const patchEdgeFaceInfo& wpt)
-:
-    origin_(wpt.origin()),
-    distSqr_(wpt.distSqr())
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline const Foam::point& Foam::patchEdgeFaceInfo::origin() const
-{
-    return origin_;
-}
-
-
-inline Foam::scalar Foam::patchEdgeFaceInfo::distSqr() const
-{
-    return distSqr_;
-}
-
-
 template<class TrackingData>
 inline bool Foam::patchEdgeFaceInfo::valid(TrackingData& td) const
 {
@@ -195,12 +173,14 @@ inline bool Foam::patchEdgeFaceInfo::updateEdge
 )
 {
     const edge& e = patch.edges()[edgeI];
-    point eMid =
+    const point eMid
+    (
         0.5
       * (
             patch.points()[patch.meshPoints()[e[0]]]
           + patch.points()[patch.meshPoints()[e[1]]]
-        );
+        )
+    );
     return update(eMid, faceInfo, tol, td);
 }
 
@@ -251,10 +231,10 @@ inline bool Foam::patchEdgeFaceInfo::equal
 
 inline bool Foam::patchEdgeFaceInfo::operator==
 (
-    const Foam::patchEdgeFaceInfo& rhs
+    const patchEdgeFaceInfo& rhs
 ) const
 {
-    return origin() == rhs.origin();
+    return origin_ == rhs.origin_;
 }
 
 
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegion.C b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegion.C
index 24c2a262ff8..d5390591902 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegion.C
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegion.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,25 +28,25 @@ License
 
 #include "patchEdgeFaceRegion.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::patchEdgeFaceRegion& wDist
+    Ostream& os,
+    const patchEdgeFaceRegion& rhs
 )
 {
-    return os << wDist.region_;
+    return os << rhs.region_;
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::patchEdgeFaceRegion& wDist
+    Istream& is,
+    patchEdgeFaceRegion& rhs
 )
 {
-    return is >> wDist.region_;
+    return is >> rhs.region_;
 }
 
 
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegion.H b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegion.H
index ef9deb7270b..5da4238f1a9 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegion.H
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegion.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -67,15 +67,16 @@ Ostream& operator<<(Ostream&, const patchEdgeFaceRegion&);
 
 class patchEdgeFaceRegion
 {
-    // Private data
+    // Private Data
 
-        //- region
+        //- The region
         label region_;
 
+
     // Private Member Functions
 
-        //- Combine current with w2. Update region_ if w2 has smaller
-        //  quantities and returns true.
+        //- Combine current with w2.
+        //  Update region_ if w2 has smaller quantities and return true.
         template<class TrackingData>
         inline bool update
         (
@@ -89,24 +90,26 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline patchEdgeFaceRegion();
 
-        //- Construct from origin, distance
-        inline patchEdgeFaceRegion(const label);
+        //- Construct from region
+        inline patchEdgeFaceRegion(const label regioni);
 
 
     // Member Functions
 
         // Access
 
-            inline label region() const;
+            label region() const
+            {
+                return region_;
+            }
 
 
-        // Needed by meshWave
+        // Needed by MeshWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
@@ -159,15 +162,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const patchEdgeFaceRegion&, TrackingData&) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const patchEdgeFaceRegion&) const;
+
+        //- Test for inequality
         inline bool operator!=(const patchEdgeFaceRegion&) const;
 
 
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegionI.H b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegionI.H
index aab8a505c7f..a8b95d7dfed 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegionI.H
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegionI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -74,31 +75,23 @@ inline bool Foam::patchEdgeFaceRegion::update
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::patchEdgeFaceRegion::patchEdgeFaceRegion()
 :
     region_(-1)
 {}
 
 
-// Construct from origin, distance
 inline Foam::patchEdgeFaceRegion::patchEdgeFaceRegion
 (
-    const label region
+    const label regioni
 )
 :
-    region_(region)
+    region_(regioni)
 {}
 
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline Foam::label Foam::patchEdgeFaceRegion::region() const
-{
-    return region_;
-}
-
-
 template<class TrackingData>
 inline bool Foam::patchEdgeFaceRegion::valid(TrackingData& td) const
 {
@@ -180,16 +173,16 @@ inline bool Foam::patchEdgeFaceRegion::equal
 
 inline bool Foam::patchEdgeFaceRegion::operator==
 (
-    const Foam::patchEdgeFaceRegion& rhs
+    const patchEdgeFaceRegion& rhs
 ) const
 {
-    return region() == rhs.region();
+    return region_ == rhs.region_;
 }
 
 
 inline bool Foam::patchEdgeFaceRegion::operator!=
 (
-    const Foam::patchEdgeFaceRegion& rhs
+    const patchEdgeFaceRegion& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegions.C b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegions.C
index 6e9b307672f..a8f7a68f15c 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegions.C
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegions.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,25 +28,25 @@ License
 
 #include "patchEdgeFaceRegions.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::patchEdgeFaceRegions& wDist
+    Ostream& os,
+    const patchEdgeFaceRegions& rhs
 )
 {
-    return os << wDist.regions_;
+    return os << rhs.regions();
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::patchEdgeFaceRegions& wDist
+    Istream& is,
+    patchEdgeFaceRegions& rhs
 )
 {
-    return is >> wDist.regions_;
+    return is >> rhs.regions();
 }
 
 
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegions.H b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegions.H
index 255518435f1..a39a960dec8 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegions.H
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegions.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -50,25 +51,19 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declaration of classes
+// Forward Declarations
 class polyMesh;
-
-
-// Forward declaration of friend functions and operators
-
 class patchEdgeFaceRegions;
-
 Istream& operator>>(Istream&, patchEdgeFaceRegions&);
 Ostream& operator<<(Ostream&, const patchEdgeFaceRegions&);
 
-
 /*---------------------------------------------------------------------------*\
-                           Class patchEdgeFaceRegions Declaration
+                    Class patchEdgeFaceRegions Declaration
 \*---------------------------------------------------------------------------*/
 
 class patchEdgeFaceRegions
 {
-    // Private data
+    // Private Data
 
         //- Region per point
         labelList regions_;
@@ -77,27 +72,33 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline patchEdgeFaceRegions();
 
         //- Construct from regions
-        inline patchEdgeFaceRegions(const labelList&);
+        inline patchEdgeFaceRegions(const labelList& regions);
 
         //- Construct from regions (on edge)
-        inline patchEdgeFaceRegions(const labelPair&);
+        inline patchEdgeFaceRegions(const labelPair& regions);
 
 
     // Member Functions
 
         // Access
 
-            inline const labelList& regions() const;
+            const labelList& regions() const
+            {
+                return regions_;
+            }
+            labelList& regions()
+            {
+                return regions_;
+            }
 
 
-        // Needed by meshWave
+        // Needed by MeshWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
@@ -150,15 +151,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const patchEdgeFaceRegions&, TrackingData&) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const patchEdgeFaceRegions&) const;
+
+        //- Test for inequality
         inline bool operator!=(const patchEdgeFaceRegions&) const;
 
 
diff --git a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegionsI.H b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegionsI.H
index d9000a46878..4ce1d8fb704 100644
--- a/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegionsI.H
+++ b/src/meshTools/algorithms/PatchEdgeFaceWave/patchEdgeFaceRegionsI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -56,12 +57,6 @@ inline Foam::patchEdgeFaceRegions::patchEdgeFaceRegions
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline const Foam::labelList& Foam::patchEdgeFaceRegions::regions() const
-{
-    return regions_;
-}
-
-
 template<class TrackingData>
 inline bool Foam::patchEdgeFaceRegions::valid(TrackingData& td) const
 {
@@ -265,16 +260,16 @@ inline bool Foam::patchEdgeFaceRegions::equal
 
 inline bool Foam::patchEdgeFaceRegions::operator==
 (
-    const Foam::patchEdgeFaceRegions& rhs
+    const patchEdgeFaceRegions& rhs
 ) const
 {
-    return regions() == rhs.regions();
+    return regions_ == rhs.regions_;
 }
 
 
 inline bool Foam::patchEdgeFaceRegions::operator!=
 (
-    const Foam::patchEdgeFaceRegions& rhs
+    const patchEdgeFaceRegions& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/meshTools/algorithms/PointEdgeWave/PointData.C b/src/meshTools/algorithms/PointEdgeWave/PointData.C
index dea82b284a3..c4d372ebafa 100644
--- a/src/meshTools/algorithms/PointEdgeWave/PointData.C
+++ b/src/meshTools/algorithms/PointEdgeWave/PointData.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2015 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,30 +28,38 @@ License
 
 #include "PointData.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
-template<class DataType>
-Foam::Ostream& Foam::operator<<(Ostream& os, const PointData<DataType>& pd)
+template<class T>
+Foam::Ostream& Foam::operator<<
+(
+    Ostream& os,
+    const PointData<T>& rhs
+)
 {
     if (os.format() == IOstream::ASCII)
     {
         return os
-            << static_cast<const pointEdgePoint&>(pd)
-            << token::SPACE << pd.data();
+            << static_cast<const pointEdgePoint&>(rhs)
+            << token::SPACE << rhs.data();
     }
     else
     {
         return os
-            << static_cast<const pointEdgePoint&>(pd)
-            << pd.data();
+            << static_cast<const pointEdgePoint&>(rhs)
+            << rhs.data();
     }
 }
 
 
-template<class DataType>
-Foam::Istream& Foam::operator>>(Istream& is, PointData<DataType>& pd)
+template<class T>
+Foam::Istream& Foam::operator>>
+(
+    Istream& is,
+    PointData<T>& rhs
+)
 {
-    return is >> static_cast<pointEdgePoint&>(pd) >> pd.data_;
+    return is >> static_cast<pointEdgePoint&>(rhs) >> rhs.data();
 }
 
 
diff --git a/src/meshTools/algorithms/PointEdgeWave/PointData.H b/src/meshTools/algorithms/PointEdgeWave/PointData.H
index efb8e8d308c..0ec37bc18aa 100644
--- a/src/meshTools/algorithms/PointEdgeWave/PointData.H
+++ b/src/meshTools/algorithms/PointEdgeWave/PointData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2015 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -66,7 +66,7 @@ class PointData
 :
     public pointEdgePoint
 {
-    // Private data
+    // Private Data
 
         //- Additional transported data
         DataType data_;
@@ -76,7 +76,7 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline PointData();
 
         //- Construct from origin, distance and data
@@ -87,19 +87,22 @@ public:
             const DataType& data
         );
 
-        //- Construct as copy
-        inline PointData(const PointData&);
-
 
     // Member Functions
 
         // Access
 
-            //- Const access the data
-            inline const DataType& data() const;
+            const DataType& data() const
+            {
+                return data_;
+            }
+            DataType& data()
+            {
+                return data_;
+            }
 
 
-        // Needed by meshWave
+        // Needed by MeshWave
 
             //- Apply rotation matrix to the data
             template<class TrackingData>
@@ -155,9 +158,13 @@ public:
                 TrackingData& td
             );
 
+
     // Member Operators
 
+        //- Test for equality
         inline bool operator==(const PointData<DataType>&) const;
+
+        //- Test for inequality
         inline bool operator!=(const PointData<DataType>&) const;
 
 
diff --git a/src/meshTools/algorithms/PointEdgeWave/PointDataI.H b/src/meshTools/algorithms/PointEdgeWave/PointDataI.H
index 2d3588fe39f..94717f086e0 100644
--- a/src/meshTools/algorithms/PointEdgeWave/PointDataI.H
+++ b/src/meshTools/algorithms/PointEdgeWave/PointDataI.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2015 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -51,23 +51,8 @@ inline Foam::PointData<DataType>::PointData
 {}
 
 
-template<class DataType>
-inline Foam::PointData<DataType>::PointData(const PointData<DataType>& wpt)
-:
-    pointEdgePoint(wpt),
-    data_(wpt.data())
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-template<class DataType>
-inline const DataType& Foam::PointData<DataType>::data() const
-{
-    return data_;
-}
-
-
 template<class DataType>
 template<class TrackingData>
 inline void Foam::PointData<DataType>::transform
@@ -207,9 +192,8 @@ inline bool Foam::PointData<DataType>::updateEdge
 template<class DataType>
 inline bool Foam::PointData<DataType>::operator==
 (
-    const Foam::PointData<DataType>& rhs
-)
-const
+    const PointData<DataType>& rhs
+) const
 {
     return pointEdgePoint::operator==(rhs) && (data() == rhs.data());
 }
@@ -218,9 +202,8 @@ const
 template<class DataType>
 inline bool Foam::PointData<DataType>::operator!=
 (
-    const Foam::PointData<DataType>& rhs
-)
-const
+    const PointData<DataType>& rhs
+) const
 {
     return !(*this == rhs);
 }
diff --git a/src/meshTools/algorithms/PointEdgeWave/PointEdgeWave.C b/src/meshTools/algorithms/PointEdgeWave/PointEdgeWave.C
index 26fa464da35..113d33d7060 100644
--- a/src/meshTools/algorithms/PointEdgeWave/PointEdgeWave.C
+++ b/src/meshTools/algorithms/PointEdgeWave/PointEdgeWave.C
@@ -53,11 +53,12 @@ namespace Foam
     {
         TrackingData& td_;
 
-        public:
-            combineEqOp(TrackingData& td)
-            :
-                td_(td)
-            {}
+    public:
+
+        combineEqOp(TrackingData& td)
+        :
+            td_(td)
+        {}
 
         void operator()(Type& x, const Type& y) const
         {
@@ -705,16 +706,8 @@ Foam::PointEdgeWave<Type, TrackingData>::PointEdgeWave
 {}
 
 
-// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
-
-template<class Type, class TrackingData>
-Foam::PointEdgeWave<Type, TrackingData>::~PointEdgeWave()
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-
 template<class Type, class TrackingData>
 Foam::label Foam::PointEdgeWave<Type, TrackingData>::nUnvisitedPoints() const
 {
diff --git a/src/meshTools/algorithms/PointEdgeWave/PointEdgeWave.H b/src/meshTools/algorithms/PointEdgeWave/PointEdgeWave.H
index 78d9c351f49..f25d20dd926 100644
--- a/src/meshTools/algorithms/PointEdgeWave/PointEdgeWave.H
+++ b/src/meshTools/algorithms/PointEdgeWave/PointEdgeWave.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -69,7 +70,7 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declaration of classes
+// Forward Declarations
 class polyMesh;
 class polyPatch;
 
@@ -89,19 +90,18 @@ class PointEdgeWave
 :
     public PointEdgeWaveName
 {
-  // Private static data
+    // Private Static Data
 
         //- Relative tolerance. Stop propagation if relative changes
         //  less than this tolerance (responsibility for checking this is
         //  up to Type implementation)
         static scalar propagationTol_;
 
-        //- Used as default trackdata value to satisfy default template
-        //  argument.
+        //- Default trackdata value to satisfy default template argument.
         static int dummyTrackData_;
 
 
-    // Private data
+    // Private Data
 
         //- Reference to mesh
         const polyMesh& mesh_;
@@ -167,8 +167,8 @@ class PointEdgeWave
             List<Type>& pointInfo
         ) const;
 
-        //- Updates pointInfo with information from neighbour. Updates all
-        //  statistics.
+        //- Updates pointInfo with information from neighbour.
+        //  Updates all statistics.
         bool updatePoint
         (
             const label pointi,
@@ -177,8 +177,8 @@ class PointEdgeWave
             Type& pointInfo
         );
 
-        //- Updates pointInfo with information from same point. Updates all
-        //  statistics.
+        //- Updates pointInfo with information from same point.
+        //  Updates all statistics.
         bool updatePoint
         (
             const label pointi,
@@ -186,8 +186,8 @@ class PointEdgeWave
             Type& pointInfo
         );
 
-        //- Updates edgeInfo with information from neighbour. Updates all
-        //  statistics.
+        //- Updates edgeInfo with information from neighbour.
+        //  Updates all statistics.
         bool updateEdge
         (
             const label edgeI,
@@ -196,6 +196,7 @@ class PointEdgeWave
             Type& edgeInfo
         );
 
+
         // Parallel, cyclic
 
             //- Has patches of certain type?
@@ -266,7 +267,7 @@ public:
 
 
     //- Destructor
-    ~PointEdgeWave();
+    ~PointEdgeWave() = default;
 
 
     // Member Functions
@@ -336,6 +337,7 @@ class listUpdateOp
     TrackingData& td_;
 
 public:
+
     listUpdateOp(const scalar tol, TrackingData& td)
     :
         tol_(tol),
diff --git a/src/meshTools/algorithms/PointEdgeWave/PointEdgeWaveName.C b/src/meshTools/algorithms/PointEdgeWave/PointEdgeWaveName.C
index 8a4dbfcfb17..7c8b972825e 100644
--- a/src/meshTools/algorithms/PointEdgeWave/PointEdgeWaveName.C
+++ b/src/meshTools/algorithms/PointEdgeWave/PointEdgeWaveName.C
@@ -31,7 +31,7 @@ License
 
 namespace Foam
 {
-defineTypeNameAndDebug(PointEdgeWaveName, 0);
+    defineTypeNameAndDebug(PointEdgeWaveName, 0);
 }
 
 
diff --git a/src/meshTools/algorithms/PointEdgeWave/pointEdgePoint.C b/src/meshTools/algorithms/PointEdgeWave/pointEdgePoint.C
index 193e5f0bf81..8bab3436c0f 100644
--- a/src/meshTools/algorithms/PointEdgeWave/pointEdgePoint.C
+++ b/src/meshTools/algorithms/PointEdgeWave/pointEdgePoint.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,21 +28,25 @@ License
 
 #include "pointEdgePoint.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::pointEdgePoint& wDist
+    Ostream& os,
+    const pointEdgePoint& rhs
 )
 {
-    return os << wDist.origin() << wDist.distSqr();
+    return os << rhs.origin() << rhs.distSqr();
 }
 
 
-Foam::Istream& Foam::operator>>(Foam::Istream& is, Foam::pointEdgePoint& wDist)
+Foam::Istream& Foam::operator>>
+(
+    Istream& is,
+    pointEdgePoint& rhs
+)
 {
-    return is >> wDist.origin_ >> wDist.distSqr_;
+    return is >> rhs.origin() >> rhs.distSqr();
 }
 
 
diff --git a/src/meshTools/algorithms/PointEdgeWave/pointEdgePoint.H b/src/meshTools/algorithms/PointEdgeWave/pointEdgePoint.H
index e0fbfe22c45..3284e2a47a2 100644
--- a/src/meshTools/algorithms/PointEdgeWave/pointEdgePoint.H
+++ b/src/meshTools/algorithms/PointEdgeWave/pointEdgePoint.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -60,14 +60,13 @@ class pointEdgePoint;
 Istream& operator>>(Istream&, pointEdgePoint&);
 Ostream& operator<<(Ostream&, const pointEdgePoint&);
 
-
 /*---------------------------------------------------------------------------*\
-                           Class pointEdgePoint Declaration
+                       Class pointEdgePoint Declaration
 \*---------------------------------------------------------------------------*/
 
 class pointEdgePoint
 {
-    // Private data
+    // Private Data
 
         //- Position of nearest wall center
         point origin_;
@@ -78,9 +77,9 @@ class pointEdgePoint
 
     // Private Member Functions
 
-        //- Evaluate distance to point. Update distSqr, origin from whomever
-        //  is nearer pt. Return true if w2 is closer to point,
-        //  false otherwise.
+        //- Evaluate distance to point.
+        //  Update distSqr, origin from whomever is nearer pt.
+        //  \return true if w2 is closer to point, false otherwise.
         template<class TrackingData>
         inline bool update
         (
@@ -105,33 +104,43 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline pointEdgePoint();
 
         //- Construct from origin, distance
-        inline pointEdgePoint(const point&, const scalar);
-
-        //- Construct as copy
-        inline pointEdgePoint(const pointEdgePoint&);
+        inline pointEdgePoint(const point& origin, const scalar distSqr);
 
 
     // Member Functions
 
         // Access
 
-            inline const point& origin() const;
-
-            inline scalar distSqr() const;
+            const point& origin() const
+            {
+                return origin_;
+            }
+            point& origin()
+            {
+                return origin_;
+            }
+
+            scalar distSqr() const
+            {
+                return distSqr_;
+            }
+            scalar& distSqr()
+            {
+                return distSqr_;
+            }
 
 
         // Needed by PointEdgeWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -215,15 +224,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const pointEdgePoint&, TrackingData& td) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const pointEdgePoint&) const;
+
+        //- Test for inequality
         inline bool operator!=(const pointEdgePoint&) const;
 
 
diff --git a/src/meshTools/algorithms/PointEdgeWave/pointEdgePointI.H b/src/meshTools/algorithms/PointEdgeWave/pointEdgePointI.H
index 117d322818c..7882b9480bc 100644
--- a/src/meshTools/algorithms/PointEdgeWave/pointEdgePointI.H
+++ b/src/meshTools/algorithms/PointEdgeWave/pointEdgePointI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -40,7 +41,7 @@ inline bool Foam::pointEdgePoint::update
     TrackingData& td
 )
 {
-    scalar dist2 = magSqr(pt - w2.origin());
+    const scalar dist2 = magSqr(pt - w2.origin());
 
     if (!valid(td))
     {
@@ -51,7 +52,7 @@ inline bool Foam::pointEdgePoint::update
         return true;
     }
 
-    scalar diff = distSqr_ - dist2;
+    const scalar diff = distSqr_ - dist2;
 
     if (diff < 0)
     {
@@ -93,7 +94,7 @@ inline bool Foam::pointEdgePoint::update
         return true;
     }
 
-    scalar diff = distSqr_ - w2.distSqr();
+    const scalar diff = distSqr_ - w2.distSqr();
 
     if (diff < 0)
     {
@@ -119,7 +120,6 @@ inline bool Foam::pointEdgePoint::update
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::pointEdgePoint::pointEdgePoint()
 :
     origin_(point::max),
@@ -127,7 +127,6 @@ inline Foam::pointEdgePoint::pointEdgePoint()
 {}
 
 
-// Construct from origin, distance
 inline Foam::pointEdgePoint::pointEdgePoint
 (
     const point& origin,
@@ -139,28 +138,8 @@ inline Foam::pointEdgePoint::pointEdgePoint
 {}
 
 
-// Construct as copy
-inline Foam::pointEdgePoint::pointEdgePoint(const pointEdgePoint& wpt)
-:
-    origin_(wpt.origin()),
-    distSqr_(wpt.distSqr())
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline const Foam::point& Foam::pointEdgePoint::origin() const
-{
-    return origin_;
-}
-
-
-inline Foam::scalar Foam::pointEdgePoint::distSqr() const
-{
-    return distSqr_;
-}
-
-
 template<class TrackingData>
 inline bool Foam::pointEdgePoint::valid(TrackingData& td) const
 {
@@ -177,7 +156,7 @@ inline bool Foam::pointEdgePoint::sameGeometry
     TrackingData& td
 ) const
 {
-    scalar diff = Foam::mag(distSqr() - w2.distSqr());
+    const scalar diff = Foam::mag(distSqr() - w2.distSqr());
 
     if (diff < SMALL)
     {
@@ -311,15 +290,19 @@ inline bool Foam::pointEdgePoint::equal
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-inline bool Foam::pointEdgePoint::operator==(const Foam::pointEdgePoint& rhs)
-const
+inline bool Foam::pointEdgePoint::operator==
+(
+    const pointEdgePoint& rhs
+) const
 {
-    return (origin() == rhs.origin()) && (distSqr() == rhs.distSqr());
+    return origin_ == rhs.origin_ && distSqr_ == rhs.distSqr_;
 }
 
 
-inline bool Foam::pointEdgePoint::operator!=(const Foam::pointEdgePoint& rhs)
-const
+inline bool Foam::pointEdgePoint::operator!=
+(
+    const pointEdgePoint& rhs
+) const
 {
     return !(*this == rhs);
 }
diff --git a/src/meshTools/cellClassification/cellInfo.C b/src/meshTools/cellClassification/cellInfo.C
index 25fa745a52c..dc650ee2604 100644
--- a/src/meshTools/cellClassification/cellInfo.C
+++ b/src/meshTools/cellClassification/cellInfo.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,17 +28,26 @@ License
 
 #include "cellInfo.H"
 
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
-
-Foam::Ostream& Foam::operator<<(Foam::Ostream& os, const Foam::cellInfo& wDist)
+Foam::Ostream& Foam::operator<<
+(
+    Ostream& os,
+    const cellInfo& rhs
+)
 {
-    return os << wDist.type_;
+    return os << rhs.type();
 }
 
-Foam::Istream& Foam::operator>>(Foam::Istream& is, Foam::cellInfo& wDist)
+
+Foam::Istream& Foam::operator>>
+(
+    Istream& is,
+    cellInfo& rhs
+)
 {
-    return is >> wDist.type_;
+    return is >> rhs.type();
 }
 
+
 // ************************************************************************* //
diff --git a/src/meshTools/cellClassification/cellInfo.H b/src/meshTools/cellClassification/cellInfo.H
index cad4a643807..7ba247f02af 100644
--- a/src/meshTools/cellClassification/cellInfo.H
+++ b/src/meshTools/cellClassification/cellInfo.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -64,16 +64,15 @@ Ostream& operator<<(Ostream&, const cellInfo&);
 
 class cellInfo
 {
-    // Private data
+    // Private Data
 
         label type_;
 
 
     // Private Member Functions
 
-        //- Update current cell/face type with neighbouring
-        //  type. Return true if information needs to propagate,
-        //  false otherwise.
+        //- Update current cell/face type with neighbouring type.
+        //  \return true if information needs to propagate, false otherwise.
         template<class TrackingData>
         inline bool update
         (
@@ -85,38 +84,39 @@ class cellInfo
             TrackingData& td
         );
 
+
 public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct - as cellClassification::NOTSET
         inline cellInfo();
 
-        //- Construct from cType
-        inline cellInfo(const label);
-
-        //- Construct as copy
-        inline cellInfo(const cellInfo&);
+        //- Construct from cellClassification type
+        inline explicit cellInfo(const label ctype);
 
 
     // Member Functions
 
         // Access
 
-            inline label type() const
+            label type() const
+            {
+                return type_;
+            }
+            label& type()
             {
                 return type_;
             }
 
 
-        // Needed by meshWave
+        // Needed by MeshWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -193,15 +193,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const cellInfo&, TrackingData& td) const;
 
+
     // Member Operators
 
-        //Note: Used to determine whether to call update.
+        //- Test for equality
         inline bool operator==(const cellInfo&) const;
 
+        //- Test for inequality
         inline bool operator!=(const cellInfo&) const;
 
 
diff --git a/src/meshTools/cellClassification/cellInfoI.H b/src/meshTools/cellClassification/cellInfoI.H
index 269d7068870..a08803e63b0 100644
--- a/src/meshTools/cellClassification/cellInfoI.H
+++ b/src/meshTools/cellClassification/cellInfoI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -94,24 +95,15 @@ inline bool Foam::cellInfo::update
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 inline Foam::cellInfo::cellInfo()
 :
     type_(cellClassification::NOTSET)
 {}
 
 
-// Construct from components
-inline Foam::cellInfo::cellInfo(const label type)
+inline Foam::cellInfo::cellInfo(const label ctype)
 :
-    type_(type)
-{}
-
-
-// Construct as copy
-inline Foam::cellInfo::cellInfo(const cellInfo& w2)
-:
-    type_(w2.type())
+    type_(ctype)
 {}
 
 
@@ -132,8 +124,7 @@ inline bool Foam::cellInfo::sameGeometry
     const cellInfo& w2,
     const scalar tol,
     TrackingData& td
-)
- const
+) const
 {
     return true;
 }
@@ -223,6 +214,7 @@ inline bool Foam::cellInfo::updateFace
     );
 }
 
+
 // Update this with neighbour information
 template<class TrackingData>
 inline bool Foam::cellInfo::updateFace
@@ -259,13 +251,19 @@ inline bool Foam::cellInfo::equal
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-inline bool Foam::cellInfo::operator==(const Foam::cellInfo& rhs) const
+inline bool Foam::cellInfo::operator==
+(
+    const cellInfo& rhs
+) const
 {
-    return type() == rhs.type();
+    return type_ == rhs.type_;
 }
 
 
-inline bool Foam::cellInfo::operator!=(const Foam::cellInfo& rhs) const
+inline bool Foam::cellInfo::operator!=
+(
+    const cellInfo& rhs
+) const
 {
     return !(*this == rhs);
 }
diff --git a/src/meshTools/cellDist/wallPoint/wallPoint.C b/src/meshTools/cellDist/wallPoint/wallPoint.C
index 7c571568927..c800b322e24 100644
--- a/src/meshTools/cellDist/wallPoint/wallPoint.C
+++ b/src/meshTools/cellDist/wallPoint/wallPoint.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,16 +28,26 @@ License
 
 #include "wallPoint.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
-Foam::Ostream& Foam::operator<<(Foam::Ostream& os, const Foam::wallPoint& wDist)
+Foam::Ostream& Foam::operator<<
+(
+    Ostream& os,
+    const wallPoint& rhs
+)
 {
-    return os << wDist.origin() << token::SPACE << wDist.distSqr();
+    return os << rhs.origin() << token::SPACE << rhs.distSqr();
 }
 
-Foam::Istream& Foam::operator>>(Foam::Istream& is, Foam::wallPoint& wDist)
+
+Foam::Istream& Foam::operator>>
+(
+    Istream& is,
+    wallPoint& rhs
+)
 {
-    return is >> wDist.origin() >> wDist.distSqr();
+    return is >> rhs.origin() >> rhs.distSqr();
 }
 
+
 // ************************************************************************* //
diff --git a/src/meshTools/cellDist/wallPoint/wallPoint.H b/src/meshTools/cellDist/wallPoint/wallPoint.H
index 27f08d58b80..bac2e83e68c 100644
--- a/src/meshTools/cellDist/wallPoint/wallPoint.H
+++ b/src/meshTools/cellDist/wallPoint/wallPoint.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -76,9 +76,9 @@ class wallPoint
 
     // Private Member Functions
 
-        //- Evaluate distance to point. Update distSqr, origin from whomever
-        //  is nearer pt. Return true if w2 is closer to point,
-        //  false otherwise.
+        //- Evaluate distance to point.
+        //  Update distSqr, origin from whomever is nearer pt.
+        //  \return true if w2 is closer to point, false otherwise.
         template<class TrackingData>
         inline bool update
         (
@@ -93,37 +93,43 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline wallPoint();
 
-        //- Construct from origin, distance
+        //- Construct from origin, distance-squared
         inline wallPoint(const point& origin, const scalar distSqr);
 
-        //- Construct as copy
-        inline wallPoint(const wallPoint&);
-
 
     // Member Functions
 
         // Access
 
-            inline const point& origin() const;
-
-            inline point& origin();
-
-            inline scalar distSqr() const;
-
-            inline scalar& distSqr();
+            const point& origin() const
+            {
+                return origin_;
+            }
+            point& origin()
+            {
+                return origin_;
+            }
+
+            scalar distSqr() const
+            {
+                return distSqr_;
+            }
+            scalar& distSqr()
+            {
+                return distSqr_;
+            }
 
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -134,7 +140,7 @@ public:
             ) const;
 
             //- Convert any absolute coordinates into relative to (patch)face
-            //  centre
+            //- centre
             template<class TrackingData>
             inline void leaveDomain
             (
@@ -200,15 +206,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const wallPoint&, TrackingData& td) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const wallPoint&) const;
+
+        //- Test for inequality
         inline bool operator!=(const wallPoint&) const;
 
 
diff --git a/src/meshTools/cellDist/wallPoint/wallPointData.C b/src/meshTools/cellDist/wallPoint/wallPointData.C
index 2f51a03e0f9..82846361cf7 100644
--- a/src/meshTools/cellDist/wallPoint/wallPointData.C
+++ b/src/meshTools/cellDist/wallPoint/wallPointData.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,40 +28,31 @@ License
 
 #include "wallPointData.H"
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-namespace Foam
-{
-
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 template<class Type>
-Ostream& operator<<
+Foam::Ostream& Foam::operator<<
 (
     Ostream& os,
-    const wallPointData<Type>& wDist
+    const wallPointData<Type>& rhs
 )
 {
     return os
-        << static_cast<const wallPoint&>(wDist)
+        << static_cast<const wallPoint&>(rhs)
         << token::SPACE
-        << wDist.data();
+        << rhs.data();
 }
 
 
 template<class Type>
-Istream& operator>>
+Foam::Istream& Foam::operator>>
 (
     Istream& is,
-    wallPointData<Type>& wDist
+    wallPointData<Type>& rhs
 )
 {
-    return is >> static_cast<wallPoint&>(wDist) >> wDist.data_;
+    return is >> static_cast<wallPoint&>(rhs) >> rhs.data_;
 }
 
 
-// ************************************************************************* //
-
-} // End namespace Foam
-
 // ************************************************************************* //
diff --git a/src/meshTools/cellDist/wallPoint/wallPointData.H b/src/meshTools/cellDist/wallPoint/wallPointData.H
index 336be8765f1..3f2cbb4fb9c 100644
--- a/src/meshTools/cellDist/wallPoint/wallPointData.H
+++ b/src/meshTools/cellDist/wallPoint/wallPointData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -57,7 +57,7 @@ template<class Type> Ostream& operator<<(Ostream&, const wallPointData<Type>&);
 
 
 /*---------------------------------------------------------------------------*\
-                           Class wallPointData Declaration
+                        Class wallPointData Declaration
 \*---------------------------------------------------------------------------*/
 
 template<class Type>
@@ -65,7 +65,7 @@ class wallPointData
 :
     public wallPoint
 {
-    // Private data
+    // Private Data
 
         //- Data at nearest wall center
         Type data_;
@@ -73,9 +73,9 @@ class wallPointData
 
     // Private Member Functions
 
-        //- Evaluate distance to point. Update distSqr, origin from whomever
-        //  is nearer pt. Return true if w2 is closer to point,
-        //  false otherwise.
+        //- Evaluate distance to point.
+        //  Update distSqr, origin from whomever is nearer pt.
+        //  \return true if w2 is closer to point, false otherwise.
         template<class TrackingData>
         inline bool update
         (
@@ -88,12 +88,15 @@ class wallPointData
 
 public:
 
-    typedef Type dataType;
+    // Public Typedefs
+
+        //- Type of additional data carried
+        typedef Type dataType;
 
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline wallPointData();
 
         //- Construct from origin, normal, distance
@@ -109,10 +112,17 @@ public:
 
         // Access
 
-            inline const Type& data() const;
-            inline Type& data();
+            const Type& data() const
+            {
+                return data_;
+            }
+            Type& data()
+            {
+                return data_;
+            }
+
 
-        // Needed by meshWave
+        // Needed by MeshWave
 
             //- Influence of neighbouring face.
             //  Calls update(...) with cellCentre of celli
@@ -153,7 +163,6 @@ public:
                 TrackingData& td
             );
 
-    // Member Operators
 
     // IOstream Operators
 
diff --git a/src/meshTools/cellDist/wallPoint/wallPointDataI.H b/src/meshTools/cellDist/wallPoint/wallPointDataI.H
index 20909603c08..6296c1ea300 100644
--- a/src/meshTools/cellDist/wallPoint/wallPointDataI.H
+++ b/src/meshTools/cellDist/wallPoint/wallPointDataI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -25,17 +26,12 @@ License
 
 \*---------------------------------------------------------------------------*/
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-namespace Foam
-{
-
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
 // Update this with w2 if w2 nearer to pt.
 template<class Type>
 template<class TrackingData>
-inline bool wallPointData<Type>::update
+inline bool Foam::wallPointData<Type>::update
 (
     const point& pt,
     const wallPointData<Type>& w2,
@@ -43,11 +39,11 @@ inline bool wallPointData<Type>::update
     TrackingData& td
 )
 {
-    scalar dist2 = magSqr(pt - w2.origin());
+    const scalar dist2 = magSqr(pt - w2.origin());
 
     if (valid(td))
     {
-        scalar diff = distSqr() - dist2;
+        const scalar diff = distSqr() - dist2;
 
         if (diff < 0)
         {
@@ -76,18 +72,16 @@ inline bool wallPointData<Type>::update
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-// Null constructor
 template<class Type>
-inline wallPointData<Type>::wallPointData()
+inline Foam::wallPointData<Type>::wallPointData()
 :
     wallPoint(),
     data_()
 {}
 
 
-// Construct from components
 template<class Type>
-inline wallPointData<Type>::wallPointData
+inline Foam::wallPointData<Type>::wallPointData
 (
     const point& origin,
     const Type& data,
@@ -101,24 +95,10 @@ inline wallPointData<Type>::wallPointData
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-template<class Type>
-inline const Type& wallPointData<Type>::data() const
-{
-    return data_;
-}
-
-
-template<class Type>
-inline Type& wallPointData<Type>::data()
-{
-    return data_;
-}
-
-
 // Update this with w2 if w2 nearer to pt.
 template<class Type>
 template<class TrackingData>
-inline bool wallPointData<Type>::updateCell
+inline bool Foam::wallPointData<Type>::updateCell
 (
     const polyMesh& mesh,
     const label thisCelli,
@@ -143,7 +123,7 @@ inline bool wallPointData<Type>::updateCell
 // Update this with w2 if w2 nearer to pt.
 template<class Type>
 template<class TrackingData>
-inline bool wallPointData<Type>::updateFace
+inline bool Foam::wallPointData<Type>::updateFace
 (
     const polyMesh& mesh,
     const label thisFacei,
@@ -168,7 +148,7 @@ inline bool wallPointData<Type>::updateFace
 // Update this with w2 if w2 nearer to pt.
 template<class Type>
 template<class TrackingData>
-inline bool wallPointData<Type>::updateFace
+inline bool Foam::wallPointData<Type>::updateFace
 (
     const polyMesh& mesh,
     const label thisFacei,
@@ -189,8 +169,4 @@ inline bool wallPointData<Type>::updateFace
 }
 
 
-// ************************************************************************* //
-
-} // End namespace Foam
-
 // ************************************************************************* //
diff --git a/src/meshTools/cellDist/wallPoint/wallPointI.H b/src/meshTools/cellDist/wallPoint/wallPointI.H
index f1735ea045a..b245ecbf1e8 100644
--- a/src/meshTools/cellDist/wallPoint/wallPointI.H
+++ b/src/meshTools/cellDist/wallPoint/wallPointI.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -47,7 +48,7 @@ inline bool Foam::wallPoint::update
     //    return false;
     //}
 
-    scalar dist2 = magSqr(pt - w2.origin());
+    const scalar dist2 = magSqr(pt - w2.origin());
 
     if (!valid(td))
     {
@@ -58,7 +59,7 @@ inline bool Foam::wallPoint::update
         return true;
     }
 
-    scalar diff = distSqr_ - dist2;
+    const scalar diff = distSqr_ - dist2;
 
     if (diff < 0)
     {
@@ -98,39 +99,8 @@ inline Foam::wallPoint::wallPoint(const point& origin, const scalar distSqr)
 {}
 
 
-inline Foam::wallPoint::wallPoint(const wallPoint& wpt)
-:
-    origin_(wpt.origin()),
-    distSqr_(wpt.distSqr())
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-inline const Foam::point& Foam::wallPoint::origin() const
-{
-    return origin_;
-}
-
-
-inline Foam::point& Foam::wallPoint::origin()
-{
-    return origin_;
-}
-
-
-inline Foam::scalar Foam::wallPoint::distSqr() const
-{
-    return distSqr_;
-}
-
-
-inline Foam::scalar& Foam::wallPoint::distSqr()
-{
-    return distSqr_;
-}
-
-
 template<class TrackingData>
 inline bool Foam::wallPoint::valid(TrackingData& td) const
 {
@@ -148,7 +118,7 @@ inline bool Foam::wallPoint::sameGeometry
     TrackingData& td
 ) const
 {
-    scalar diff = mag(distSqr() - w2.distSqr());
+    const scalar diff = mag(distSqr() - w2.distSqr());
 
     if (diff < SMALL)
     {
@@ -231,7 +201,7 @@ inline bool Foam::wallPoint::updateCell
             tol,
             td
         );
-    }
+}
 
 
 // Update this with w2 if w2 nearer to pt.
@@ -256,6 +226,7 @@ inline bool Foam::wallPoint::updateFace
         );
 }
 
+
 // Update this with w2 if w2 nearer to pt.
 template<class TrackingData>
 inline bool Foam::wallPoint::updateFace
@@ -291,13 +262,19 @@ inline bool Foam::wallPoint::equal
 
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
-inline bool Foam::wallPoint::operator==(const Foam::wallPoint& rhs) const
+inline bool Foam::wallPoint::operator==
+(
+    const wallPoint& rhs
+) const
 {
-    return origin() == rhs.origin();
+    return origin_ == rhs.origin_;
 }
 
 
-inline bool Foam::wallPoint::operator!=(const Foam::wallPoint& rhs) const
+inline bool Foam::wallPoint::operator!=
+(
+    const wallPoint& rhs
+) const
 {
     return !(*this == rhs);
 }
diff --git a/src/meshTools/meshStructure/pointTopoDistanceData.C b/src/meshTools/meshStructure/pointTopoDistanceData.C
index c9b7113d6b1..d1b229a7a3d 100644
--- a/src/meshTools/meshStructure/pointTopoDistanceData.C
+++ b/src/meshTools/meshStructure/pointTopoDistanceData.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,25 +28,25 @@ License
 
 #include "pointTopoDistanceData.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::pointTopoDistanceData& wDist
+    Ostream& os,
+    const pointTopoDistanceData& rhs
 )
 {
-    return os << wDist.data_ << token::SPACE << wDist.distance_;
+    return os << rhs.data_ << token::SPACE << rhs.distance_;
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::pointTopoDistanceData& wDist
+    Istream& is,
+    pointTopoDistanceData& rhs
 )
 {
-    return is >> wDist.data_ >> wDist.distance_;
+    return is >> rhs.data_ >> rhs.distance_;
 }
 
 
diff --git a/src/meshTools/meshStructure/pointTopoDistanceData.H b/src/meshTools/meshStructure/pointTopoDistanceData.H
index 9c1d703ac53..c45df7ff2fb 100644
--- a/src/meshTools/meshStructure/pointTopoDistanceData.H
+++ b/src/meshTools/meshStructure/pointTopoDistanceData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -56,14 +56,13 @@ class pointTopoDistanceData;
 Istream& operator>>(Istream&, pointTopoDistanceData&);
 Ostream& operator<<(Ostream&, const pointTopoDistanceData&);
 
-
 /*---------------------------------------------------------------------------*\
                        Class pointTopoDistanceData Declaration
 \*---------------------------------------------------------------------------*/
 
 class pointTopoDistanceData
 {
-    // Private data
+    // Private Data
 
         //- Starting data
         label data_;
@@ -76,7 +75,7 @@ public:
 
     // Constructors
 
-        //- Construct null with invalid (-1) for data and distance
+        //- Default construct, with invalid (-1) for data and distance
         inline pointTopoDistanceData();
 
         //- Construct from components
@@ -91,11 +90,12 @@ public:
 
         // Access
 
-            inline label data() const
+            label data() const
             {
                 return data_;
             }
-            inline label distance() const
+
+            label distance() const
             {
                 return distance_;
             }
@@ -103,13 +103,11 @@ public:
 
         // Needed by PointEdgeWave
 
-
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -193,7 +191,7 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const pointTopoDistanceData&, TrackingData&)
             const;
@@ -201,8 +199,10 @@ public:
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const pointTopoDistanceData&) const;
+
+        //- Test for inequality
         inline bool operator!=(const pointTopoDistanceData&) const;
 
 
diff --git a/src/meshTools/meshStructure/pointTopoDistanceDataI.H b/src/meshTools/meshStructure/pointTopoDistanceDataI.H
index c438d635c9d..5d0a35a7e25 100644
--- a/src/meshTools/meshStructure/pointTopoDistanceDataI.H
+++ b/src/meshTools/meshStructure/pointTopoDistanceDataI.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -204,16 +204,16 @@ inline bool Foam::pointTopoDistanceData::equal
 
 inline bool Foam::pointTopoDistanceData::operator==
 (
-    const Foam::pointTopoDistanceData& rhs
+    const pointTopoDistanceData& rhs
 ) const
 {
-    return data() == rhs.data() && distance() == rhs.distance();
+    return data_ == rhs.data_ && distance_ == rhs.distance_;
 }
 
 
 inline bool Foam::pointTopoDistanceData::operator!=
 (
-    const Foam::pointTopoDistanceData& rhs
+    const pointTopoDistanceData& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/meshTools/meshStructure/topoDistanceData.C b/src/meshTools/meshStructure/topoDistanceData.C
index f16e3e67095..b70e599b059 100644
--- a/src/meshTools/meshStructure/topoDistanceData.C
+++ b/src/meshTools/meshStructure/topoDistanceData.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2013 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,25 +28,25 @@ License
 
 #include "topoDistanceData.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::topoDistanceData& wDist
+    Ostream& os,
+    const topoDistanceData& rhs
 )
 {
-    return os << wDist.data_ << token::SPACE << wDist.distance_;
+    return os << rhs.data_ << token::SPACE << rhs.distance_;
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::topoDistanceData& wDist
+    Istream& is,
+    topoDistanceData& rhs
 )
 {
-    return is >> wDist.data_ >> wDist.distance_;
+    return is >> rhs.data_ >> rhs.distance_;
 }
 
 
diff --git a/src/meshTools/meshStructure/topoDistanceData.H b/src/meshTools/meshStructure/topoDistanceData.H
index ef68a882a68..e7c4f64da4c 100644
--- a/src/meshTools/meshStructure/topoDistanceData.H
+++ b/src/meshTools/meshStructure/topoDistanceData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -55,14 +55,13 @@ class topoDistanceData;
 Istream& operator>>(Istream&, topoDistanceData&);
 Ostream& operator<<(Ostream&, const topoDistanceData&);
 
-
 /*---------------------------------------------------------------------------*\
-                           Class topoDistanceData Declaration
+                      Class topoDistanceData Declaration
 \*---------------------------------------------------------------------------*/
 
 class topoDistanceData
 {
-    // Private data
+    // Private Data
 
         //- Starting data
         label data_;
@@ -75,7 +74,7 @@ public:
 
     // Constructors
 
-        //- Construct null with invalid (-1) for data and distance
+        //- Default construct, with invalid (-1) for data and distance
         inline topoDistanceData();
 
         //- Construct from components
@@ -90,11 +89,12 @@ public:
 
         // Access
 
-            inline label data() const
+            label data() const
             {
                 return data_;
             }
-            inline label distance() const
+
+            label distance() const
             {
                 return distance_;
             }
@@ -102,12 +102,11 @@ public:
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -184,16 +183,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const topoDistanceData&, TrackingData& td) const;
 
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const topoDistanceData&) const;
 
+        //- Test for inequality
         inline bool operator!=(const topoDistanceData&) const;
 
 
diff --git a/src/meshTools/meshStructure/topoDistanceDataI.H b/src/meshTools/meshStructure/topoDistanceDataI.H
index b5a6863f8e3..1ede6fe5c1d 100644
--- a/src/meshTools/meshStructure/topoDistanceDataI.H
+++ b/src/meshTools/meshStructure/topoDistanceDataI.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -192,16 +192,16 @@ inline bool Foam::topoDistanceData::equal
 
 inline bool Foam::topoDistanceData::operator==
 (
-    const Foam::topoDistanceData& rhs
+    const topoDistanceData& rhs
 ) const
 {
-    return data() == rhs.data() && distance() == rhs.distance();
+    return data_ == rhs.data_ && distance_ == rhs.distance_;
 }
 
 
 inline bool Foam::topoDistanceData::operator!=
 (
-    const Foam::topoDistanceData& rhs
+    const topoDistanceData& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/meshTools/regionSplit/minData.H b/src/meshTools/regionSplit/minData.H
index a9ea6f27a23..069bee9fd03 100644
--- a/src/meshTools/regionSplit/minData.H
+++ b/src/meshTools/regionSplit/minData.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2014-2016 OpenFOAM Foundation
-    Copyright (C) 2015-2019 OpenCFD Ltd.
+    Copyright (C) 2015-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -46,8 +46,7 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declarations
-
+// Forward Declarations
 class polyPatch;
 class polyMesh;
 class minData;
@@ -55,14 +54,13 @@ class minData;
 Istream& operator>>(Istream&, minData&);
 Ostream& operator<<(Ostream&, const minData&);
 
-
 /*---------------------------------------------------------------------------*\
                            Class minData Declaration
 \*---------------------------------------------------------------------------*/
 
 class minData
 {
-    // Private data
+    // Private Data
 
         //- Starting data
         label data_;
@@ -72,10 +70,10 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline minData();
 
-        //- Construct from count
+        //- Construct from min value
         inline minData(const label data);
 
 
@@ -83,7 +81,7 @@ public:
 
         // Access
 
-            inline label data() const
+            label data() const
             {
                 return data_;
             }
@@ -91,12 +89,11 @@ public:
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData& td) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -173,15 +170,17 @@ public:
                 TrackingData& td
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal(const minData&, TrackingData& td) const;
 
+
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const minData&) const;
 
+        //- Test for inequality
         inline bool operator!=(const minData&) const;
 
 
diff --git a/src/meshTools/regionSplit/minDataI.H b/src/meshTools/regionSplit/minDataI.H
index 2a0858c559c..2967af73f96 100644
--- a/src/meshTools/regionSplit/minDataI.H
+++ b/src/meshTools/regionSplit/minDataI.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2014-2016 OpenFOAM Foundation
-    Copyright (C) 2015-2019 OpenCFD Ltd.
+    Copyright (C) 2015-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -177,16 +177,16 @@ inline bool Foam::minData::equal
 
 inline bool Foam::minData::operator==
 (
-    const Foam::minData& rhs
+    const minData& rhs
 ) const
 {
-    return data() == rhs.data();
+    return data_ == rhs.data_;
 }
 
 
 inline bool Foam::minData::operator!=
 (
-    const Foam::minData& rhs
+    const minData& rhs
 ) const
 {
     return !(*this == rhs);
@@ -197,21 +197,21 @@ inline bool Foam::minData::operator!=
 
 inline Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::minData& wDist
+    Ostream& os,
+    const minData& rhs
 )
 {
-    return os << wDist.data_;
+    return os << rhs.data_;
 }
 
 
 inline Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::minData& wDist
+    Istream& is,
+    minData& rhs
 )
 {
-    return is >> wDist.data_;
+    return is >> rhs.data_;
 }
 
 
diff --git a/src/overset/cellCellStencil/inverseDistance/meshToMeshData.C b/src/overset/cellCellStencil/inverseDistance/meshToMeshData.C
index 033fc8e15fa..8510c624109 100644
--- a/src/overset/cellCellStencil/inverseDistance/meshToMeshData.C
+++ b/src/overset/cellCellStencil/inverseDistance/meshToMeshData.C
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2017 OpenCFD Ltd.
+    Copyright (C) 2017-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -27,25 +27,25 @@ License
 
 #include "meshToMeshData.H"
 
-// * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 Foam::Ostream& Foam::operator<<
 (
-    Foam::Ostream& os,
-    const Foam::meshToMeshData& wDist
+    Ostream& os,
+    const meshToMeshData& rhs
 )
 {
-    return os << wDist.tgtCelli_;
+    return os << rhs.tgtCelli_;
 }
 
 
 Foam::Istream& Foam::operator>>
 (
-    Foam::Istream& is,
-    Foam::meshToMeshData& wDist
+    Istream& is,
+    meshToMeshData& rhs
 )
 {
-    return is >> wDist.tgtCelli_;
+    return is >> rhs.tgtCelli_;
 }
 
 
diff --git a/src/overset/cellCellStencil/inverseDistance/meshToMeshData.H b/src/overset/cellCellStencil/inverseDistance/meshToMeshData.H
index 4bd36f4dc8b..3b7e2cf6b74 100644
--- a/src/overset/cellCellStencil/inverseDistance/meshToMeshData.H
+++ b/src/overset/cellCellStencil/inverseDistance/meshToMeshData.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2017-2019 OpenCFD Ltd.
+    Copyright (C) 2017-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -57,61 +57,53 @@ Ostream& operator<<(Ostream&, const meshToMeshData&);
 
 
 /*---------------------------------------------------------------------------*\
-                           Class meshToMeshData Declaration
+                       Class meshToMeshData Declaration
 \*---------------------------------------------------------------------------*/
 
 class meshToMeshData
 {
-public:
+    // Private Data
+
+        //- Corresponding cell in tgtMesh
+        label tgtCelli_;
 
-    //- Class used to pass non-cell data to the update function
-    class trackData
-    {
-    public:
 
-        const polyMesh& tgtMesh_;
+public:
 
+    // Public Classes
 
-        // Constructors
+        //- Class used to pass non-cell data to the update function
+        class trackData
+        {
+        public:
+
+            const polyMesh& tgtMesh_;
 
             trackData(const polyMesh& tgtMesh)
             :
                 tgtMesh_(tgtMesh)
             {}
+        };
 
-    };
-
-
-    // Private data
-
-        // Corresponding cell in tgtMesh
-        label tgtCelli_;
-
-
-public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         inline meshToMeshData();
 
-        //- Construct from count
-        inline meshToMeshData
-        (
-            const label tgtCelli
-        );
+        //- Construct from target cell
+        inline meshToMeshData(const label tgtCelli);
 
 
     // Member Functions
 
         // Access
 
-            inline label tgtCell() const
+            label tgtCell() const
             {
                 return tgtCelli_;
             }
-
-            inline label& tgtCell()
+            label& tgtCell()
             {
                 return tgtCelli_;
             }
@@ -119,12 +111,11 @@ public:
 
         // Needed by FaceCellWave
 
-            //- Check whether origin has been changed at all or
-            //  still contains original (invalid) value.
+            //- Changed or contains original (invalid) value
             template<class TrackingData>
             inline bool valid(TrackingData&) const;
 
-            //- Check for identical geometrical data. Used for cyclics checking.
+            //- Check for identical geometrical data (eg, cyclics checking)
             template<class TrackingData>
             inline bool sameGeometry
             (
@@ -134,8 +125,8 @@ public:
                 TrackingData&
             ) const;
 
-            //- Convert any absolute coordinates into relative to (patch)face
-            //  centre
+            //- Convert absolute coordinates into relative
+            //- to (patch)face centre
             template<class TrackingData>
             inline void leaveDomain
             (
@@ -201,7 +192,7 @@ public:
                 TrackingData&
             );
 
-            //- Same (like operator==)
+            //- Test for equality, with TrackingData
             template<class TrackingData>
             inline bool equal
             (
@@ -212,9 +203,10 @@ public:
 
     // Member Operators
 
-        // Needed for List IO
+        //- Test for equality
         inline bool operator==(const meshToMeshData&) const;
 
+        //- Test for inequality
         inline bool operator!=(const meshToMeshData&) const;
 
 
diff --git a/src/overset/cellCellStencil/inverseDistance/meshToMeshDataI.H b/src/overset/cellCellStencil/inverseDistance/meshToMeshDataI.H
index a671526d513..034ca267060 100644
--- a/src/overset/cellCellStencil/inverseDistance/meshToMeshDataI.H
+++ b/src/overset/cellCellStencil/inverseDistance/meshToMeshDataI.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2017-2019 OpenCFD Ltd.
+    Copyright (C) 2017-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -116,7 +116,7 @@ inline bool Foam::meshToMeshData::updateCell
         const point& cc = mesh.cellCentres()[thisCelli];
 
         // See if we are in the neighbour
-        label tgti = neighbourInfo.tgtCelli_;
+        const label tgti = neighbourInfo.tgtCelli_;
 
         // Try match of neighbour
         if (td.tgtMesh_.pointInCell(cc, tgti, polyMesh::CELL_TETS))
@@ -127,10 +127,8 @@ inline bool Foam::meshToMeshData::updateCell
 
         // Try match of neighbour's neighbours
         const labelList& tgtNbrs = td.tgtMesh_.cellCells(tgti);
-        forAll(tgtNbrs, i)
+        for (const label tgti : tgtNbrs)
         {
-            label tgti = tgtNbrs[i];
-
             // Try match of neighbour
             if (td.tgtMesh_.pointInCell(cc, tgti, polyMesh::CELL_TETS))
             {
@@ -211,7 +209,7 @@ inline bool Foam::meshToMeshData::equal
 
 inline bool Foam::meshToMeshData::operator==
 (
-    const Foam::meshToMeshData& rhs
+    const meshToMeshData& rhs
 ) const
 {
     return tgtCelli_ == rhs.tgtCelli_;
@@ -220,7 +218,7 @@ inline bool Foam::meshToMeshData::operator==
 
 inline bool Foam::meshToMeshData::operator!=
 (
-    const Foam::meshToMeshData& rhs
+    const meshToMeshData& rhs
 ) const
 {
     return !(*this == rhs);
diff --git a/src/overset/cellCellStencil/inverseDistance/waveMethod.C b/src/overset/cellCellStencil/inverseDistance/waveMethod.C
index f615f4de481..d7d0b210aa1 100644
--- a/src/overset/cellCellStencil/inverseDistance/waveMethod.C
+++ b/src/overset/cellCellStencil/inverseDistance/waveMethod.C
@@ -140,7 +140,7 @@ void Foam::waveMethod::calculate
 
         forAll(cellData, celli)
         {
-            srcToTgtAddr[celli] = cellData[celli].tgtCelli_;
+            srcToTgtAddr[celli] = cellData[celli].tgtCell();
         }
     }
 
@@ -172,6 +172,7 @@ Foam::waveMethod::waveMethod
 Foam::waveMethod::~waveMethod()
 {}
 
+
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 void Foam::waveMethod::calculate
diff --git a/src/renumber/renumberMethods/structuredRenumber/OppositeFaceCellWave.H b/src/renumber/renumberMethods/structuredRenumber/OppositeFaceCellWave.H
index 779142f25ea..0f194ccb540 100644
--- a/src/renumber/renumberMethods/structuredRenumber/OppositeFaceCellWave.H
+++ b/src/renumber/renumberMethods/structuredRenumber/OppositeFaceCellWave.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2016 OpenFOAM Foundation
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -72,7 +73,7 @@ class OppositeFaceCellWave
 {
 protected:
 
-    // Protected data
+    // Protected Data
 
         //- For every entry in changedCells (i.e. the cell front) gives
         //  the face that it needs to transfer to
@@ -95,7 +96,8 @@ public:
     // Constructors
 
         //- Construct from mesh and list of changed faces with the Type
-        //  for these faces. Iterates until nothing changes or maxIter reached.
+        //- for these faces.
+        //  Iterates until nothing changes or maxIter reached.
         //  (maxIter can be 0)
         OppositeFaceCellWave
         (
-- 
GitLab