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Mail Archives: djgpp/1999/09/03/07:33:46

Message-ID: <37CF36B8.63E4@ns.sympatico.ca>
From: Klaas <klaas AT ns DOT sympatico DOT ca>
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: Program has different outputs!
References: <37CE896E DOT 985BA87F AT etruria DOT com>
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Date: Fri, 03 Sep 1999 02:47:28 GMT
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Tommaso Mazzoni wrote:
> 
> I have installed DJGPP because it supports the only fortran compiler
> around, g77.
> 
> After successfully compiling my old fortran sources, I have found out
> that the resulting executable SOMETIMES works well, sometimes it
> doesn't. It's the first time that such a thing happens to me.
> 
> The program reads some files, then performs some calculations and then
> prints out the results. But to have it work properly I have to run it
> four or five times in a row until a sensible output is printed.
> Otherwise I get a series of "random" numbers and also NAN etc.
> 
> The input files are read correctly even when the results make no sense.
> The sources come from a UNIX machine where the same program runs
> correctly.
> 
> Is it a memory allocation problem? I have no idea.
> 

Perhaps a code snippet would be in order, though I imagine a fortran
newsgroup would be more help (as they would not only be familiar with
fortran, but most probably with g77 as well).

-Mike

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