040000 tree 8ac28999a486be02aa106a40f6fd5ab45cf23639	scalar-scalar
040000 tree bb02c9f44c9c347a445252e2ad8ba37f04b29421	scalar-vec3
040000 tree 19e1584fbcd71d6bd277bdacbee3182b8fb2a7ca	vec3-scalar
040000 tree bd514d55aaefbcbc8a72e6ffbe7960cff47d4f80	vec3-vec3