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Mail Archives: cygwin/2003/12/04/10:44:07

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Message-Id: <200312041543.hB4Fhr6u021146@p-chan.cognex.com>
To: cygwin AT cygwin DOT com
Subject: Re: EOF error
In-Reply-To: Message from Fred_Smith@computrition.com
of "Thu, 04 Dec 2003 09:02:52 EST." <85256DF2 DOT 004CB45F DOT 00 AT cinote DOT computrition DOT com>
Mime-Version: 1.0
Date: Thu, 04 Dec 2003 10:43:53 -0500
From: Don Koch <koch AT cognex DOT com>

As we move into the realm of "OT".

"Kooser, Ara S" said:
>    PROGRAM TEMP
> *********************************************************
> *This program converts Celsius to Farenheit           *
> *                                *
> *The variable used is:                      *
> *  DEGC : degress celsius              *
> *********************************************************
>
>    REAL DEGC, DEGF
>    PRINT * , 'ENTER THE TEMPERATURE IN DEGRESS C:'
>         READ * , DEGC
>    DEGF = 9 / 5 * DEGC + 32
>    PRINT * , 'DEGRESS FARENHEIT:' , DEGF
>         END
>
> I compiled it with this command
>
> gcc -o projec -c projec.f

Fred_Smith said:
> Besides the fact that this program does not produce correct results (entering
> "-40" produces output of "-8" which certainly is incorrect), is it also not
> an error to be trying to compile a FORTRAN program with gcc? Should he not be
> using g77 instead? 

"gcc" will figure out what to do based on the suffix.  The reason it produces
incorrect output is becasue "9 / 5" => 1 (integer roundoff).  Use floats.

-- 
Don Koch
koch AT cognex DOT com
----
Not speaking for Cognex Corporation.



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