biggest: Returns the biggest type of a set of onions
Description
Returns the biggest type of a set of onions; useful for
“promoting” a set of onions to the most general type.
Usage
biggest(...)
Value
Character string representing the type
Arguments
...
Onionic vectors
Author
Robin K. S. Hankin
Details
If any argument passed to biggest() is an octonion, then return
the string “octonion”. Failing that, if any argument is a quaternion,
return the string “quaternion”, and failing that, return
“scalar”.