[Matrix]: fix some bugs in verifying eigensolver.
[Matrix]: fix some bugs in verifying eigensolver.

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