040000 tree f5d1441f9db3a9179430c1f7e24aad7ab8602e08	api
040000 tree da6a5d1eb066138f308f887601178626ba504ef0	common
040000 tree d328e5cb0871fd450058b72723fc93f850fdd9ce	linalg
040000 tree 2bbd0d65b0773e3506c0585852d46795a610e47c	util