Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!iuvax!valnet!joseph
From: joseph@valnet.UUCP (Joseph P. Hillenburg)
Newsgroups: comp.sys.amiga
Subject: Re: Lattice C double
Message-ID: <R0L9P6w163w@valnet>
Date: 29 Sep 90 03:04:14 GMT
References: <1990Sep28.063045.2599@ericsson.se>
Organization: Valley BBS Network
Lines: 33

etxpnil@etxsj23.ericsson.se (Per Nilsson TT/SJG 98194 ) writes:

> The following is a test program I've compiled with the Lattice C compiler.
> 
> main()
> {
>     double dub;
> 
>     dub = 12345678.0;
> 	
>     dub = dub * 10.0;
> 
>     printf("%.9g\n",dub);
> }
> 
> When compiled with the Lattice C V5.04, I've got the following output:
> 
> 123456779.999999999
> 
> On my SPARC station I got the correct result:
> 
> 123456780
> 
> Is this some kind of bug in the Lattice C compiler ?
> Is there any way around this problem ?

Nope...just has to do with the way the different compilers use rounding.

-Joseph Hillenburg

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