040000 tree dc39582babbca79e871e96b4b2f1929e2cbb85d2	scalar-scalar
040000 tree 02d65b916205ec091ac04b9f5d1f513e431e2ce3	scalar-vec3
040000 tree 346b77f6e42c26ba4180a74766aab80d6ea5e14f	vec3-scalar
040000 tree d5482ea8a813e055769fa2077bbcabc4eccc040c	vec3-vec3