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Re: Printing a very small number

by betterworld (Curate)
on Aug 16, 2013 at 11:37 UTC ( #1049728=note: print w/replies, xml ) Need Help??


in reply to Printing a very small number

For a precise output:

use Math::BigRat; my $num = Math::BigRat->new("9e-10"); print $num->as_float(), "\n";

Output: 0.0000000009

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Re^2: Printing a very small number
by BrowserUk (Pope) on Aug 16, 2013 at 12:20 UTC
    For a precise output:

    That works if your small number starts out as a string, but if it comes from a calculation done using normal Perl math, the 'damage' has already been done.


    With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
    Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
    "Science is about questioning the status quo. Questioning authority".
    In the absence of evidence, opinion is indistinguishable from prejudice.

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[marioroy]: choroba++, Discipulus++. It depends on the type of module. Data-type "only" modules are likely multi-process safe, re: Hash::Ordered, Tie::IxHash.
[marioroy]: ... when shared via MCE::Share-> share(...)
[marioroy]: Net type modules are likely not multi-process safe unless stated in the documentation.
[marioroy]: The Prima author fixed his module to be both thread and multi-process safe. Thanks Dmitry.

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