[GiNaC-list] feature request
Vladimir V. Kisil
V.Kisil at leeds.ac.uk
Wed Feb 22 10:26:13 CET 2023
Dear Marko,
GiNaC is a library build on top of other libraries: numeric CLN
which is development of GNU GMP. Factorisation of integer is not in
the proper domain of GiNaC itself, it is rather a GMP task.
Did you checked what is written here:
https://gmplib.org/manual/Demonstration-Programs#index-Factorization-demo
Best wishes,
Vladimir
--
Vladimir V. Kisil http://www1.maths.leeds.ac.uk/~kisilv/
Book: Geometry of Mobius Maps https://doi.org/10.1142/p835
Soft: Geometry of cycles http://moebinv.sourceforge.net/
Jupyter notebooks: https://github.com/vvkisil?tab=repositories
>>>>> On Wed, 22 Feb 2023 06:29:48 +0100, Marko Riedel <riedelmo at mathematik.uni-stuttgart.de> said:
MR> Greetings to all.
MR> Continuing with my GiNaC project I have noticed that there was
MR> some functionality missing that other software offers. In
MR> particular, I require **factorization of integers** and a
MR> function to compute the **set of divisors** of an integer. I
MR> have implemented these using basic math such as might be used in
MR> a freshman course. It passes all my tests, but it really needs
MR> an implementation from a professional mathematician. Maybe you
MR> can file this with other feature requests you have received. An
MR> excerpt from my code follows below. I hope I have understood
MR> lists correctly that they are doubly linked and a list append of
MR> one element runs in constant time.
MR> Best regards,
MR> Marko
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