[GiNaC-list] GiNaC kudos
Stephen Montgomery-Smith
stephen at missouri.edu
Tue Aug 10 23:11:14 CEST 2010
Oops, I misread the documentation. GiNaC seems to use CLN, not GMP.
Stephen Montgomery-Smith wrote:
> No, I didn't parallelize.
>
> I should add that the program has two steps - first to create the
> polynomials, and then to multiply them. To create the polynomials, I
> could have used GiNaC, but I didn't have to do anything more complicated
> algebraically than multiply by x. So I used GMP directly for that part.
> According to the documentation, GiNaC uses GMP for its floating point
> arithmetic. And GMP seems to allow powers of ten way larger than plus
> or minus 10000.
>
>
> Cristobal Navarro wrote:
>> amazing!
>>
>> im also in the same problematic but close to zero, 1^-10000, i have not
>> tested yet but based on your experiments i guess i will have good
>> results too
>> just being curious, did you paralelize ?
>>
>> On Tue, Aug 10, 2010 at 4:35 PM, Stephen Montgomery-Smith
>> <stephen at missouri.edu<mailto:stephen at missouri.edu>> wrote:
>>
>> Hi Guys,
>>
>> I just wrote some programs that use GiNaC to multiply polynomials
>> whose degrees can get into the 1000's, and whose coefficients are as
>> large as 10^10000. GiNaC performed extraordinarily well, and even
>> went a little faster than Mathematica! I am very impressed!
>>
>> (If you are interested, I am trying to analyze results of
>> Luria-Delbruck experiments using Bayesian statistics.)
>>
>> Stephen
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>
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