FWIW, Elixir already has a GCD: Integer.gcd/2 <https://hexdocs.pm/elixir/Integer.html#gcd/2>.
On Thu, Feb 23, 2023 at 6:32 PM 'Andrey Yugai' via elixir-lang-core < elixir-lang-core@googlegroups.com> wrote: > There's not so much elixir can do to improve erlang's :math, it's already > implemented > <https://github.com/erlang/otp/blob/master/lib/stdlib/src/math.erl>with > NIFs. Rewriting it in pure elixir/erlang would only degrade performance. > > Other question is why doesn't :math have more functions? BEAM wasn't > built for the purpose of number crunching - there's plenty info about slow > math in erlang. Although it had improved recently, I'd recommend to look > into elixir nx or similar tools. If I understand correctly, they > effectively bypass BEAM bytecode/NIFs shenanigans, and compile to native > code with vectorization and whatnot. > > If erlang would add something unholy to its stdlib, you'll be free to > ignore it, and keep using your righteous implementation :) > > ------- Original Message ------- > On Thursday, February 23rd, 2023 at 22:23, Julian Somoza < > julian.som...@gmail.com> wrote: > > Hi, I would like to understand why or what would be the problem with > having our own Math module on Elixir. I know that some people think that > has no sense to duplicate modules that already exist in Erlang but... Where > is the "sovereignty"? > > If I would like to add a new math function, why do I need to ask another > language (Erlang) to be able to have it in Elixir. Elixir could have a Math > module implementing/bypassing :erlang base function, and adding extra > functions "over" without dependency... > > For example, if I would like to propose a GCD function for :math and the > community approve the de proposal, I would need to go to another community, > ask there, program it in erlang (learn a bit of erlang of course), wait for > the release, update and update the erlang version on my servers... > > On the other hand, what happen if Erlang add things to the core which we > don't like to have? We are always obliged to accept what comes from above? > Having our own Math module we could decide to not have GCD function if in > Elixir we think that is not necessary or just don't like to have it. > > Just sharing my thought, I hope I don't offend anyone, and wish to read > another point of view. > > Best, > Julian. > > -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to elixir-lang-core+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elixir-lang-core/b66261a7-9f17-4c10-b2d8-0f77b0c338ben%40googlegroups.com > <https://groups.google.com/d/msgid/elixir-lang-core/b66261a7-9f17-4c10-b2d8-0f77b0c338ben%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > > -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to elixir-lang-core+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elixir-lang-core/HYb5YF6P5tzJFgwRetwx29BnzhQhx6qysrldv8ST-TaQ5hGTHkFWOGuQJevlHOxgCYgJ7XQX_NkXsi0ZNMbtezuS6N7g5u3aSBpJhrmjRWo%3D%40pm.me > <https://groups.google.com/d/msgid/elixir-lang-core/HYb5YF6P5tzJFgwRetwx29BnzhQhx6qysrldv8ST-TaQ5hGTHkFWOGuQJevlHOxgCYgJ7XQX_NkXsi0ZNMbtezuS6N7g5u3aSBpJhrmjRWo%3D%40pm.me?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "elixir-lang-core" group. To unsubscribe from this group and stop receiving emails from it, send an email to elixir-lang-core+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4J2EAfyP_3_94tjKoNDjNJePB6Nwijea7oz9z8L9tbkjA%40mail.gmail.com.
