MPI: added function to broadcast a scalar value (c6f12b77) · Commits · TNL / tnl-dev

src/TNL/MPI/Utils.h

+14 −1

Original line number	Diff line number	Diff line
		@@ -205,11 +205,24 @@ sendrecv( const SendArray& sendArray,
		MPI::Sendrecv( sendArray.getData(), sendArray.getSize(), dest, sendTag, recvArray.getData(), recvArray.getSize(), src, recvTag, communicator );
		}

		/**
		* \brief Broadcast a scalar value.
		*/
		template< typename T >
		std::enable_if_t< ! IsArrayType< T >::value, T >
		bcast( T value,
		int root,
		MPI_Comm communicator = MPI_COMM_WORLD )
		{
		MPI::Bcast( &value, 1, root, communicator );
		return value;
		}

		/**
		* \brief Broadcast an array (or a string).
		*/
		template< typename Array >
		std::enable_if_t< ! IsViewType< Array >::value >
		std::enable_if_t< IsArrayType< Array >::value && ! IsViewType< Array >::value >
		bcast( Array& array,
		int root,
		MPI_Comm communicator = MPI_COMM_WORLD )