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Re^2: phi div by 0 error

by perlaintdead (Scribe)
on Sep 01, 2013 at 14:34 UTC ( #1051808=note: print w/replies, xml ) Need Help??


in reply to Re: phi div by 0 error
in thread phi div by 0 error

(1+sqrt(5))/2 came out to 3.23606797749979 AKA not phi

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Re^3: phi div by 0 error
by perlaintdead (Scribe) on Sep 01, 2013 at 14:36 UTC

    just needed another parentheses ((sqrt(5)+1)/2)

      or a small re-order

      perl -le ' print ( (1 + sqrt 5) / 2 )'

      Cheers,
      R.

      Pereant, qui ante nos nostra dixerunt!

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[Corion]: I spent parts of yesterday digging into Filter::Simple to make it not change the line numbers of unfiltered code, but I think I need regex help (which will come in a SoPW I guess). I tried @lines = /((?:"...."|[^" \n]+)\n)/gs, but that matched on...
[Corion]: ... foo "\0\0\0\n" bar\n by matching the first \n instead of matching the four-bytes-in- double-quotes part
[Corion]: ... and I still don't understand why ;)
[Corion]: This is because Filter::Simple does some string-trickery, replacing all string literals with "quoted packed numbers"
[Corion]: I fear this might be a bug in the RE engine, but if it is a bug, even fixing won't help me because I need Filter::Simple for Filter::signatures , which provides signatures as a backwards compatibility feature for Perl <5.22 - and these ...
[Corion]: ... won't get a fix anyway ;) My plan B is to encode the string placeholders avoiding \r and \n

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