Xref: utzoo comp.arch:17931 comp.sys.cdc:126 Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uwm.edu!ux1.cso.uiuc.edu!ux1.cso.uiuc.edu!aglew From: aglew@dwarfs.crhc.uiuc.edu (Andy Glew) Newsgroups: comp.arch,comp.sys.cdc Subject: Cyber 205 arithmetic Message-ID: Date: 30 Aug 90 17:37:45 GMT References: <2471@crdos1.crd.ge.COM> <1990Aug29.175933.28804@zoo.toronto.edu> <2034@charon.cwi.nl> Sender: usenet@ux1.cso.uiuc.edu (News) Followup-To: comp.arch Organization: University of Illinois, Computer Systems Group Lines: 11 In-Reply-To: dik@cwi.nl's message of 29 Aug 90 23:58:30 GMT >[ dik@cwi.nl (Dik T. Winter) ] >This was done on a Cyber 205. Now, if you talk about sloppy arithmetic, >here is your machine. What other machine has that a=b does not imply b=a? >What other machine has vector instructions that can overflow if there >are enough interrupts during execution? I've heard about a=b/b!=a, but not about the overflow caused by interrupts. Care to elaborate? -- Andy Glew, a-glew@uiuc.edu [get ph nameserver from uxc.cso.uiuc.edu:net/qi]