Added switch of periodic boundaries synchronization direction. (e322f20e) · Commits · TNL / tnl-dev

src/TNL/Meshes/DistributedMeshes/DistributedGridSynchronizer.h

+12 −17

Original line number	Diff line number	Diff line
		@@ -49,6 +49,12 @@ class DistributedMeshSynchronizer< Functions::MeshFunction< Grid< MeshDimension,
		typedef typename DistributedGridType::CoordinatesType CoordinatesType;
		using SubdomainOverlapsType = typename DistributedGridType::SubdomainOverlapsType;

		enum PeriodicBoundariesCopyDirection
		{
		BoundaryToOverlap,
		OverlapToBoundary
		};

		DistributedMeshSynchronizer()
		{
		isSet = false;
		@@ -108,22 +114,9 @@ class DistributedMeshSynchronizer< Functions::MeshFunction< Grid< MeshDimension,
		sendBuffers[ i ].setSize( sendSize );
		recieveBuffers[ i ].setSize( sendSize);

		//Periodic-BC copy from overlap into domain
		//if Im on boundary, and i is direction of the boundary i will swap source and destination
		//i do this only for basic 6 directions,
		//because this swap at conners and edges produces writing multiple values at sam place in localsubdomain
		{
		if( ( i==ZzYzXm \|\| i==ZzYzXp
		\|\|i==ZzYmXz \|\| i==ZzYpXz
		\|\|i==ZmYzXz \|\| i==ZpYzXz )
		&& neighbors[ i ] == -1)
		{
		//swap begins
		CoordinatesType tmp = sendBegin[i];
		sendBegin[i]=recieveBegin[i];
		recieveBegin[i]=tmp;
		}
		}
		if( this->periodicBoundariesCopyDirection == OverlapToBoundary &&
		neighbors[ i ] == -1 )
		swap( sendBegin[i], recieveBegin[i] );
		}
		}

		@@ -213,6 +206,8 @@ class DistributedMeshSynchronizer< Functions::MeshFunction< Grid< MeshDimension,
		Containers::Array<RealType, Device, Index> recieveBuffers[getNeighborCount()];
		Containers::StaticArray< getNeighborCount(), int > sendSizes;

		PeriodicBoundariesCopyDirection periodicBoundariesCopyDirection = BoundaryToOverlap;

		CoordinatesType sendDimensions[getNeighborCount()];
		CoordinatesType recieveDimensions[getNeighborCount()];
		CoordinatesType sendBegin[getNeighborCount()];