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Perl
Perl Misc
Compare, two identical numbers are not the same?!
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[QUOTE="Jürgen Exner, post: 4866972"] You forgot the first commandment of computer numerics: Thou shalt not use equality for floating point numbers! See 'perldoc -q 9999' for further details. Although those seem to be unrelated questions/issues in fact they have the same underlying reason which applies to virtually all programming languages. Try printing them with 20 digits: printf("%.20f", $totalIndividualWeights) You may be surprised. jue [/QUOTE]
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Compare, two identical numbers are not the same?!
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