Article View: comp.os.os2.programmer
Article #1374Re: Division by 0 crashes OS2/2.0
From: Ken Bass
Date: Thu, 03 Sep 1992 14:50
Date: Thu, 03 Sep 1992 14:50
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2114 bytes
In article <1992Sep3.131306.13751@tc.cornell.edu> bai@msiadmin.cit.cornell.edu (Dov Bai-MSI Visitor) writes: >In article <92Sep03.032755.21494@acs.ucalgary.ca> bauwens@acs.ucalgary.ca (Luc Bauwens) writes: >>In article <21529@optima.cs.arizona.edu> shack@cs.arizona.edu (David Shackelford) writes: >>>In article <1992Sep2.163508.17347@tc.cornell.edu> bai@msiadmin.cit.cornell.edu (Dov Bai-MSI Visitor) writes: >>>>The following short program compiled with MS-FORTRAN 5.0 with >>>>coprocessor crashes OS2 Ver. 2 on my machine: >>> >>>Sounds interesting. Are you compiling to a DOS program and running >>>it in a VDM, or an OS/2 program? If OS/2, is it with the 1.x or 2.0 >>>libraries? Please post more information... >> >>If he uses MS-Fortran, it got to be a DOS program. > >No, MS-Fortran 5.0 is both a real & protected mode product. I think >that 5.1 merely adds Windows functionality that does not exist in 5.0. > >> >>I tried with Ms Fortran 5.1 and with Watcom fortran 386 V9. >> >>Both return an answer 1.00000000. > >It that is true, it is really bad - I would not trust such >a compiler for any serious numerical work. > >> >>Luc B >> >> > >Dov Many motherboards (Micronics Rev E specifically), and I'm sure others, have a hardware problem with trapping floating point errors. This causes the problem, not the compiler. The compiler has no effect on this, I dont believe. ---Ken -- Ken Bass (kbass@gmuvax2.gmu.edu) | Telecommunications George Mason University | Techniques Corp, Student, Department of Electrical Engineering | Software Engineer
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Newsgroups: comp.os.os2.programmer Path: arc1-ca.pugleaf.net!sparky!uunet!haven.umd.edu!news.umbc.edu!gmuvax2!kbass From: kbass@gmuvax2.gmu.edu (Ken Bass) Subject: Re: Division by 0 crashes OS2/2.0 Message-ID: <1992Sep3.145040.26255@gmuvax2.gmu.edu> Organization: George Mason University, Fairfax, Va. References: <21529@optima.cs.arizona.edu> <92Sep03.032755.21494@acs.ucalgary.ca> <1992Sep3.131306.13751@tc.cornell.edu> Date: Thu, 3 Sep 1992 14:50:40 GMT Lines: 42