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Postings from August 2009
Ajay Kumar <akumar@securities.com> asked:
> Gesendet: Freitag, 21. August 2009 12:23
> An: beginners@perl.org
> Betreff: RE: WELCOME to beginners@perl.org
>
> Hi All
>
> I have great issues
>
> 1) perl -e '$a=0.123451005;$a=sprintf("%.8f",$a);print"=$a\n";'
> Output=0.12345101
> 2) perl -e '$a=5.123451005;$a=sprintf("%.8f",$a);print"=$a\n";'
> Output=5.12345100
>
>
> Here 1 one ging correct result but the second one wrong result
> For second one result should be 5.12345101 but it is giving 5.12345100
>
>
> May I know why it behabe So
See the first question in the Data: Number section of http://perldoc.perl.org/perlfaq4.html
For the gritty details, see the article http://en.wikipedia.org/wiki/Floating_point and especially its setion "representable numbers" at Wikipedia.
HTH,
Thomas
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