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Re^3: next unless - doesnt work?

by Anonymous Monk
on Apr 28, 2012 at 15:36 UTC ( #967822=note: print w/replies, xml ) Need Help??


in reply to Re^2: next unless - doesnt work?
in thread next unless - doesnt work?

and for some reason != didnt do the job but ne did.. strange?

Not at all. One is for numbers, the other for strings. You would've gotten a warning if you had use warnings on.

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[pryrt]: 1nickt, sprintf "%.16e", $v will always give enough precision to see 1 ULP (the smallest fractional part) of a standard 64bit Perl NV*
[pryrt]: (*: for systems where $Config{nvsize}==8 )
[pryrt]: Thus, that's "enough precision" to tell the difference between 1.0 and 1.0+1ULP
[pryrt]: But in what circumstance does your problem arise? When, in Perl, does the integer 1 not work identically to the floating-point NV 1.0000000000000000 e0?

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