STYLE: revert bitSet/HashSet setMany() to set() method (issue #837)

- improves backward compatibility and more naming consistency.
  Retain setMany(iter1, iter2) to avoid ambiguity with the
  PackedList::set(index, value) method.

src/meshTools/cellClassification/cellClassification.C

@@ -300,7 +300,7 @@ void Foam::cellClassification::markCells
 
             // Mark faces of celli
             const labelList& myFaces = mesh_.cells()[celli];
-            outsideFacesMap.insertMany(myFaces);
+            outsideFacesMap.insert(myFaces);
         }
     }
 

src/meshTools/cellDist/cellDistFuncs.C

@@ -172,7 +172,7 @@ Foam::label Foam::cellDistFuncs::getPointNeighbours
         forAll(f, fp)
         {
             const labelList& pointNbs = patch.pointFaces()[f[fp]];
-            nbs.insertMany(pointNbs);
+            nbs.insert(pointNbs);
         }
 
         // Subtract ours.

src/meshTools/edgeMesh/extendedEdgeMesh/extendedEdgeMesh.C

@@ -1531,14 +1531,14 @@ void Foam::extendedEdgeMesh::autoMap
             label pointI = pointMap[subPointI];
             const labelList& pNormals = featurePointNormals()[pointI];
 
-            isSubNormal.setMany(pNormals);
+            isSubNormal.set(pNormals);
         }
         forAll(edgeMap, subEdgeI)
         {
             label edgeI = edgeMap[subEdgeI];
             const labelList& eNormals = edgeNormals()[edgeI];
 
-            isSubNormal.setMany(eNormals);
+            isSubNormal.set(eNormals);
         }
 
         forAll(isSubNormal, normalI)

src/meshTools/indexedOctree/treeDataFace.C

@@ -47,7 +47,7 @@ Foam::treeBoundBox Foam::treeDataFace::calcBb(const label facei) const
 
 void Foam::treeDataFace::update()
 {
-    isTreeFace_.setMany(faceLabels_);
+    isTreeFace_.set(faceLabels_);
 
     if (cacheBb_)
     {

src/meshTools/meshTools/meshTools.C

@@ -301,7 +301,7 @@ void Foam::meshTools::writeOBJ
     forAll(cellLabels, i)
     {
         const cell& cFaces = cells[cellLabels[i]];
-        usedFaces.insertMany(cFaces);
+        usedFaces.insert(cFaces);
     }
 
     writeOBJ(os, faces, points, usedFaces.toc());

src/meshTools/sets/faceSources/normalToFace/normalToFace.C

@@ -33,13 +33,9 @@ License
 
 namespace Foam
 {
-
 defineTypeNameAndDebug(normalToFace, 0);
-
 addToRunTimeSelectionTable(topoSetSource, normalToFace, word);
-
 addToRunTimeSelectionTable(topoSetSource, normalToFace, istream);
-
 }
 
 
@@ -160,7 +156,7 @@ void Foam::normalToFace::applyToSet
             }
         }
 
-        set.eraseMany(toBeRemoved);
+        set.erase(toBeRemoved);
     }
 }
 

src/meshTools/triSurface/triSurfaceTools/triSurfaceTools.C

@@ -384,7 +384,7 @@ Foam::labelHashSet Foam::triSurfaceTools::getCollapsedFaces
     const labelList& myFaces = surf.edgeFaces()[edgeI];
 
     labelHashSet facesToBeCollapsed(2*myFaces.size());
-    facesToBeCollapsed.insertMany(myFaces);
+    facesToBeCollapsed.insert(myFaces);
 
     // From faces using v1 check if they share an edge with faces
     // using v2.