Removed all usages of float128, as this type is not present on all machines.
This was reported by Sebastian Morin in the post: https://mail.gna.org/public/relax-devel/2009-07/msg00000.html (Message-id: <4A5A7338.4030500@...>).
Authored by: bugman 2009-07-13
Parent: [r9201]
Child: [r9203]
