Re: Hayes tester fails

From	"Ed" <invalid@invalid.com>
Newsgroups	comp.lang.forth
Subject	Re: Hayes tester fails
Date	2014-01-13 11:16 +1100
Organization	Aioe.org NNTP Server
Message-ID	<lavbcr$k7c$1@speranza.aioe.org> (permalink)
References	<lah624$s2s$2@speranza.aioe.org> <5b9613a9-756c-40f5-b170-0a1665792575@googlegroups.com><lam399$36n$1@speranza.aioe.org> <fd178ebf-2820-43d0-9f13-12a8e28882ab@googlegroups.com> <laqk41$ook$1@speranza.aioe.org> <ec3tv0ecrblh.125o5v6690hs7.dlg@40tude.net>

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Coos Haak wrote:
> Op Sat, 11 Jan 2014 16:14:27 +1100 schreef Ed:
>
> > Howerd wrote:
> >> Hi Ed,
> >>
> >>> You can do that and Hayes will catch more implementation errors.
> >> Yes - the case I mentioned is clearly missing at the moment.
> >>
> >>> What Hayes can't do, is tell you that there are no errors in the functions
> >>> it tests.
> >> It would be pretty impressive if it could ;-)
> >
> > BTW your test also caught a buggy division I wrote in the 90's which
> > passed the official Hayes test.  'Two birds with one stone'  Nice.
>
> In the 1990's I detected a hardware signed division bug in the Cyrix 486DLC
> with the Hayes test ...

Intel didn't get it right first time either.  FD 12/4 mentions a bug in 8086 IDIV
which produces an interrupt on certain valid results.

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Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-08 02:20 +1100
  Re: Hayes tester fails "Alex McDonald" <blog@rivadpm.com> - 2014-01-07 21:15 +0000
  Re: Hayes tester fails "Alex McDonald" <blog@rivadpm.com> - 2014-01-07 21:20 +0000
  Re: Hayes tester fails anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-08 14:58 +0000
    Re: Hayes tester fails "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-08 19:53 -0500
    Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-09 21:49 +1100
      Re: Hayes tester fails anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-09 12:57 +0000
        Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-11 16:06 +1100
          Re: Hayes tester fails "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-11 10:28 -0500
          Re: Hayes tester fails anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-13 16:18 +0000
            Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-15 10:29 +1100
              Re: Hayes tester fails "Alex McDonald" <blog@rivadpm.com> - 2014-01-15 00:00 +0000
                Re: Hayes tester fails AKK <akk@nospam.org> - 2014-01-15 02:06 +0100
                Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-19 01:33 +1100
                Re: Hayes tester fails anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-18 16:58 +0000
                Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-21 00:09 +1100
                Re: Hayes tester fails "Alex McDonald" <blog@rivadpm.com> - 2014-01-20 14:36 +0000
                Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-25 22:53 +1100
                Re: Hayes tester fails "Alex McDonald" <blog@rivadpm.com> - 2014-01-25 23:21 +0000
                Re: Hayes tester fails anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-21 14:50 +0000
              Re: Hayes tester fails "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-15 02:40 -0500
                Re: Hayes tester fails "Elizabeth D. Rather" <erather@forth.com> - 2014-01-14 21:52 -1000
                Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-19 00:10 +1100
              Re: Hayes tester fails Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-01-15 03:28 -0600
      Re: Hayes tester fails "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-11 10:30 -0500
        Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-13 10:45 +1100
  Re: Hayes tester fails Howerd <howerdo@yahoo.co.uk> - 2014-01-09 02:51 -0800
    Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-09 22:12 +1100
      Re: Hayes tester fails Howerd <howerdo@yahoo.co.uk> - 2014-01-09 06:44 -0800
        Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-11 16:14 +1100
          Re: Hayes tester fails Howerd <howerdo@yahoo.co.uk> - 2014-01-11 02:35 -0800
          Re: Hayes tester fails Coos Haak <chforth@hccnet.nl> - 2014-01-11 13:46 +0100
            Re: Hayes tester fails "Ed" <invalid@invalid.com> - 2014-01-13 11:16 +1100

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