Floats in the protocol
wharms at bfs.de
Tue Jan 6 06:08:31 PST 2009
<zitiere wer="Simon Thum">
> Hello people,
> I'm trying to get some consensus about floats on the wire. I cc'ed some
> who spoke about the issue on the list in a non-exhaustive search.
> Recap: Peter and I want to transfer floats in input properties, see there:
> On XDS 08, Keith suggested simply putting them on the wire. That is,
> require IEEE756 32 bit and account for endianness.
> Roland suggested to drop the binary representation, and favored a string
> rep. specified in C99. He claims interchange of binary representations
> is unsafe due to platform details:
> While I see benefits of a string rep, X isn't C99 AFAIK. Also, the
> protocol in general is built on binary representations, so a string
> encoding seems somewhat odd to me.
> I don't actually need floats badly, but they're more natural than fixed.
> Comments/Suggestions please?
if floats are realy needed i would go with an already established like XDR
it is already in glibc and it is a defined RFC.
the next best thing is to use plain ascii as it removes the need to think
just my 2 cents,
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