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Re^2: maximum value of a scalar

by Taulmarill (Deacon)
on Oct 21, 2008 at 09:29 UTC ( #718423=note: print w/replies, xml ) Need Help??

in reply to Re: maximum value of a scalar
in thread maximum value of a scalar

If that's not enough, you can always use Modules like Math::BigInt to use integers as large as you want (or at least up to the size of your computers memory).

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Re^3: maximum value of a scalar
by syphilis (Archbishop) on Oct 21, 2008 at 13:08 UTC
    you can always use Modules like Math::BigInt

    Excellent observation - and such large numbers are, after all, stored in scalars - as per the OP's requirement.

    The one limitation of Math::BigInt is that it's pure perl and can therefore be a little slow when it comes to manipulating those numeric values. As an alternative one could look at modules like Math::GMP, Math::Pari and Math::MPFR. These modules, like Math::BigInt, all store their values in sclarars and they still suffer from the "available memory" limitation - and, unlike Math::BigInt, they all depend upon external C libraries. The one big difference in their favour is that they provide much faster arithmetic manipulation of the bignum values than Math::BigInt.


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