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From: etxpnil@etxsj23.ericsson.se (Per Nilsson TT/SJG 98194 )
Newsgroups: comp.sys.amiga
Subject: Re: Lattice C double
Message-ID: <1990Oct4.063507.1899@ericsson.se>
Date: 4 Oct 90 06:35:07 GMT
References: <1990Sep28.063045.2599@ericsson.se> <14795@cbmvax.commodore.com>
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In article <14795@cbmvax.commodore.com> ken@cbmvax.commodore.com (Ken Farinsky - CATS) writes:
>In article <1990Sep28.063045.2599@ericsson.se> 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
>
>Are you using the correct compiler flags and linker options to get
>double-precision IEEE numbers?  (compile with -fi, link with
>lcmieee.lib?)  These results look like FFP or single precision
>IEEE numbers.

I've now tried it with the -fi switch and the lcmieee.lib,
with the same result. I tried the new SAS/C V5.10 and I
got the same result there.