[Matrix]: convert to row-major matrix for SpMM in eigensolver.
[Matrix]: convert to row-major matrix for SpMM in eigensolver.

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