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From: jbs@yktvmv.watson.ibm.com
Subject: Re: Fortran or Ada?
Date: 1998/10/02
Message-ID: <19981002.190123.114@yktvmv.watson.ibm.com>#1/1
X-Deja-AN: 397202317
References: <36068E73.F0398C54@meca.polymtl.ca>
 <slrn70dv6k.2qp.gisle@krake.ii.uib.no> <m3n27sqhms.fsf@visar.physast.uga.edu>
 <6u8r5o$aa4$1@nnrp1.dejanews.com> <m3zpbq24wq.fsf@visar.physast.uga.edu>
 <360A3446.8AD84137@lmco.com> <6udre0$ha1$1@nnrp1.dejanews.com>
 <19980925.185359.250@yktvmv.watson.ibm.com> <6uifdr$dog$1@nnrp1.dejanews.com>
 <19980928.184428.604@yktvmv.watson.ibm.com>
 <EACHUS.98Oct2160023@spectre.mitre.org>
Organization: IBM
Newsgroups: comp.lang.fortran,comp.lang.ada
Date: 1998-10-02T00:00:00+00:00
List-Id: <comp.lang.ada>

In article <EACHUS.98Oct2160023@spectre.mitre.org>,
 on 02 Oct 1998 20:00:23 GMT,
 eachus@spectre.mitre.org (Robert I. Eachus) writes:
>In article <19980928.184428.604@yktvmv.watson.ibm.com> jbs@yktvmv.watson.ibm.com writes:
>
>   > It appears to me that this implicates Ada in at least two respects...
>
>    If you read a little more, you will find that it doesn't implicate
>Ada or any other programming language.  They followed this particular
>fault tree all the way down because it occurred, not because the
>rocket would have survived if it hadn't.  Note later in the report
>where it says that the stack was destroyed when the engine deflection
>exceeded the physical stress limits of the stack (booster and
>payload).  Because the software was used WITHOUT CHANGE from the
>Arianne 4, it contained the wrong physical parameters for the dynamic
>deflection limits.  This launch was a disaster waiting to happen, and
>no programming language is going to save you from putting in the wrong
>numbers.  The particular error that occurred was just the first case
>where differences between the Arianne 4 and Arianne 5 became
>significant.

         The report I have says nothing like this.  What report are
you referring to?
                        James B. Shearer