[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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