Xref: utzoo comp.arch:7681 comp.lang.fortran:1657 comp.misc:4531 comp.lang.c++:2325 Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!csd4.milw.wisc.edu!nic.MR.NET!shamash!raspail!bga From: bga@raspail.UUCP (Bruce Albrecht) Newsgroups: comp.arch,comp.lang.fortran,comp.misc,comp.lang.c++ Subject: Re: Quadruple-Precision Floating Point ? Keywords: REAL*16 hardware? obscure Message-ID: <1118@raspail.UUCP> Date: 29 Dec 88 15:09:27 GMT References: <8561@alice.UUCP> <1973@scolex> Organization: Control Data Corporation, Arden Hills, MN Lines: 11 In article <1973@scolex>, seanf@sco.COM (Sean Fagan) writes: > In article <8561@alice.UUCP> wcs@alice.UUCP (Bill Stewart, usually) writes: > >Are there any machines that implement quad-precision (128-bit) floating > >point numbers in hardware? > > Yes. Cyber's, which have 60-bit single precision, have 120-bit double > precision. Their decendents, the Cray's, have 64-bit single precision, and > 128-bit double precision. They are, however, probably a bit much for you. The Cyber 180's have 64 bit words, with 128 bit quad. I believe the 930, roughly comparable to a high-end Vax, is priced under $100k.