"Duncan McDonald" <duncan(at)gpats(dot)com(dot)au> writes:
> "ERROR: function ll_to_earth(numeric, numeric) does not exist
> HINT: No function matches the given name and argument types. You may need
> to add explicit type casts."
> I've tried reinstalling the package in question but it had no effect.
I think you forgot to execute the earthdistance.sql script to define
the functions within the current database.
regards, tom lane