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Re^2: Exploring IEEE754 floating point bit patterns.

by BrowserUk (Pope)
on Jul 29, 2012 at 06:46 UTC ( #984270=note: print w/replies, xml ) Need Help??

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  1. or download this
        printf("%f %f\n",       inf / inf, -(inf / inf)); // -1.#IND00 -1.
        printf("%.4f %.4f\n",   inf / inf, -(inf / inf)); // -1.#IND -1.#I
        printf("%.10f %.10f\n", inf / inf, -(inf / inf)); // -1.#IND000000
    + -1.#IND000000
  2. or download this
        printf("%g %g\n", inf / inf, -(inf / inf));      // -1.#IND -1.#IN
  3. or download this
    print +( 10.0**20 + 1 ) - 10.0**20;;
    print +( 10.0**20 - 10.0**20 ) + 1;;

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Node Type: note [id://984270]
[erix]: in this context, one learns all kinds of interesting psychological excuse-jargon: not just 'alternative facts'; how about 'gapped knowledge' ? :)
[erix]: which still manages to sound more or less positive
[Corion]: Huh. I wasn't aware that you cannot segregate Python 2 and Python 3 modules... Hopefully Perl 6 module use C6AN and thus avoid the problem...
[hippo]: I very much hope so.
[moritz]: there are already some (very few) Perl 6 modules on CPAN, but in a way that the p5 indexer avoids them
[hippo]: It's confusing enough to have the Perl6:: namespace which isn't for Perl6 but for features from that ported into Perl.

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