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by bmn_
3869 days ago
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Not generally! $ perl -E 'say sprintf "%.64f", 0.1 + 0.2'
0.3000000000000000000108420217248550443400745280086994171142578125
$ perl -E 'say sprintf "%.64f", 0.1 + 0.2 - 0.3'
0.0000000000000000000000000000000000000000000000000000000000000000
My Perl is configured with -Dusemorebits. https://metacpan.org/pod/distribution/perl/INSTALL#more-bits |
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