040000 tree dc39582babbca79e871e96b4b2f1929e2cbb85d2	scalar-scalar
040000 tree c81c6d5590225123c16719c9b53242834b945817	scalar-vec3
040000 tree 9cb7573d4043c3d3f50334b19d9eb668b33d85b9	vec3-scalar
040000 tree fde2b62284fd57e09ae12626afb875605185aac7	vec3-vec3