ENH: mapDistribute subMapTotalSize(), constructMapTotalSize()

- the sum of the respective list sizes

COMP: add noexcept to trivial mapDistribute constructors

src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistribute.C

@@ -148,13 +148,13 @@ void Foam::mapDistribute::printLayout(Ostream& os) const
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-Foam::mapDistribute::mapDistribute()
+Foam::mapDistribute::mapDistribute() noexcept
 :
-    mapDistribute(UPstream::worldComm)
+    mapDistributeBase(UPstream::worldComm)
 {}
 
 
-Foam::mapDistribute::mapDistribute(const label comm)
+Foam::mapDistribute::mapDistribute(const label comm) noexcept
 :
     mapDistributeBase(comm)
 {}

src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistribute.H

@@ -328,10 +328,10 @@ public:
         using mapDistributeBase::mapDistributeBase;
 
         //- Default construct - uses worldComm
-        mapDistribute();
+        mapDistribute() noexcept;
 
         //- Default construct with specified communicator
-        explicit mapDistribute(const label comm);
+        explicit mapDistribute(const label comm) noexcept;
 
         //- Move construct from base, no transforms
         explicit mapDistribute(mapDistributeBase&& map);

src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistributeBase.C

@@ -173,9 +173,9 @@ void Foam::mapDistributeBase::checkReceivedSize
     if (receivedSize != expectedSize)
     {
         FatalErrorInFunction
-            << "Expected from processor " << proci
-            << " " << expectedSize << " but received "
-            << receivedSize << " elements."
+            << "From processor " << proci
+            << " : expected " << expectedSize
+            << " but received " << receivedSize << " elements" << nl
             << abort(FatalError);
     }
 }
@@ -651,13 +651,13 @@ void Foam::mapDistributeBase::exchangeAddressing
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-Foam::mapDistributeBase::mapDistributeBase()
+Foam::mapDistributeBase::mapDistributeBase() noexcept
 :
     mapDistributeBase(UPstream::worldComm)
 {}
 
 
-Foam::mapDistributeBase::mapDistributeBase(const label comm)
+Foam::mapDistributeBase::mapDistributeBase(const label comm) noexcept
 :
     constructSize_(0),
     subMap_(),
@@ -1014,7 +1014,6 @@ Foam::labelList Foam::mapDistributeBase::subMapSizes() const
     {
         sizes[i] = subMap_[i].size();
     }
-
     return sizes;
 }
 
@@ -1026,11 +1025,32 @@ Foam::labelList Foam::mapDistributeBase::constructMapSizes() const
     {
         sizes[i] = constructMap_[i].size();
     }
-
     return sizes;
 }
 
 
+Foam::label Foam::mapDistributeBase::subMapTotalSize() const noexcept
+{
+    label total = 0;
+    for (const auto& list : subMap_)
+    {
+        total += list.size();
+    }
+    return total;
+}
+
+
+Foam::label Foam::mapDistributeBase::constructMapTotalSize() const noexcept
+{
+    label total = 0;
+    for (const auto& list : constructMap_)
+    {
+        total += list.size();
+    }
+    return total;
+}
+
+
 void Foam::mapDistributeBase::clear()
 {
     constructSize_ = 0;

src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistributeBase.H

@@ -147,7 +147,7 @@ protected:
 
     // Protected Member Functions
 
-        //- Fatal if expected and received size are not equal
+        //- Fatal if expected != received size
         static void checkReceivedSize
         (
             const label proci,
@@ -375,10 +375,10 @@ public:
     // Constructors
 
         //- Default construct (uses worldComm)
-        mapDistributeBase();
+        mapDistributeBase() noexcept;
 
         //- Default construct with specified communicator
-        explicit mapDistributeBase(const label comm);
+        explicit mapDistributeBase(const label comm) noexcept;
 
         //- Copy construct
         mapDistributeBase(const mapDistributeBase& map);
@@ -585,6 +585,12 @@ public:
         //- The sizes of the constructMap lists
         labelList constructMapSizes() const;
 
+        //- The sum of the subMap list sizes
+        label subMapTotalSize() const noexcept;
+
+        //- The sum of the constructMap list sizes
+        label constructMapTotalSize() const noexcept;
+
 
     // Schedule