add some printf helpers for vecs/mats
add some printf helpers for vecs/mats

igHunterKiller/ouroboros,igHunterKiller/ouroboros,igHunterKiller/ouroboros,igHunterKiller/ouroboros,igHunterKiller/ouroboros,igHunterKiller/ouroboros,igHunterKiller/ouroboros,igHunterKiller/ouroboros