[R]: redefine the basic operators on FlashMatrix objects.
[R]: redefine the basic operators on FlashMatrix objects.

flashxio/FlashX,flashxio/FlashX,icoming/FlashGraph,icoming/FlashGraph,icoming/FlashX,zheng-da/FlashX,flashxio/FlashX,icoming/FlashX,icoming/FlashGraph,zheng-da/FlashX,zheng-da/FlashX,flashxio/FlashX,icoming/FlashX,zheng-da/FlashX,flashxio/FlashX,icoming/FlashGraph,icoming/FlashGraph,icoming/FlashX,zheng-da/FlashX,flashxio/FlashX,icoming/FlashX