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Article #49939

Re: strange output

#49939
From: Michael Chapman
Date: Wed, 08 Dec 1993 10:43
28 lines
1739 bytes
In article AA02949@aaron.music.qc.edu, richards@aaron.music.qc.edu (David Richards) writes:
>Hello folks - here's the problem:
>
>#include <stdio.h>
>main()
>{
>   long double ldb = 22343546554.435551;
>   printf("ldb = %f\n", ldb);
>}
>
>compile with: gcc -o longd longd.c
>BUT THE OUTPUT READS: ldb = 8.500005
>
>Forgive me if I'm dreaming but it looks like a bug to me!!
>Am I missing something that's so painfully obvious that an
>amoeba could see it?!#%@^??
>I'm running on NeXT 3.1- when using cc this doesn't  
>happen.
>Dave Richards

The format %f is for doubles not long doubles. If your compiler makes 
long doubles and doubles the same then you will not notice the error.
I don't know what the format should be - probably something like %lf

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Mike Chapman	             e-mail: mchapman@eis.k8.rt.bosch.de (office)
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From: mchapman@eis.k8.rt.bosch.de (Michael Chapman)
Newsgroups: gnu.gcc.help
Subject: Re: strange output
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Date: 8 Dec 93 10:43:31 GMT
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