I will check it out.
On Fri, 26 Feb 2016 11:40:51 -0300
Marc Collin <marc.collin7_AT_gmail.com> wrote:
> A contributor already started working on a suckless
> bignum library[0] to use on his bc(1) candidate for
> sbase[1]. Mattias maybe you want to work on that instead
> of starting from scratch. Duplicating efforts is usually
> not good when all have the same goal (suckless bignum, dc
> and bc).
>
> [0] https://github.com/suiginsoft/hebimath
> [1] https://github.com/suiginsoft/bc
>
> On Fri, Feb 26, 2016 at 9:11 AM, Mattias Andrée
> <maandree_AT_kth.se> wrote:
> > On Fri, 26 Feb 2016 11:55:12 +0000
> > Dimitris Papastamos <sin_AT_2f30.org> wrote:
> >
> >> On Fri, Feb 26, 2016 at 12:45:27PM +0100, Mattias
> >> Andrée wrote:
> >> > On Fri, 26 Feb 2016 11:39:07 +0000
> >> > Dimitris Papastamos <sin_AT_2f30.org> wrote:
> >> >
> >> > > On Fri, Feb 26, 2016 at 12:33:37PM +0100, Mattias
> >> > > Andrée wrote:
> >> > > > On Fri, 26 Feb 2016 11:31:31 +0000
> >> > > > Dimitris Papastamos <sin_AT_2f30.org> wrote:
> >> > > >
> >> > > > > On Fri, Feb 26, 2016 at 12:28:32PM +0100,
> >> > > > > Mattias Andrée wrote:
> >> > > > > > On Fri, 26 Feb 2016 11:26:15 +0000
> >> > > > > > Dimitris Papastamos <sin_AT_2f30.org> wrote:
> >> > > > > >
> >> > > > > > > On Fri, Feb 26, 2016 at 12:19:32PM +0100,
> >> > > > > > > Mattias Andrée wrote:
> >> > > > > > > > On Fri, 26 Feb 2016 10:07:31 +0000
> >> > > > > > > > Dimitris Papastamos <sin_AT_2f30.org> wrote:
> >> > > > > > > >
> >> > > > > > > > > On Fri, Feb 26, 2016 at 09:47:14AM
> >> > > > > > > > > +0100, Mattias Andrée wrote:
> >> > > > > > > > > > On Fri, 26 Feb 2016 09:43:02 +0100
> >> > > > > > > > > > FRIGN <dev_AT_frign.de> wrote:
> >> > > > > > > > > >
> >> > > > > > > > > > > On Fri, 26 Feb 2016 09:37:12 +0100
> >> > > > > > > > > > > Mattias Andrée <maandree_AT_kth.se>
> >> > > > > > > > > > > wrote:
> >> > > > > > > > > > >
> >> > > > > > > > > > > Hey Mattias,
> >> > > > > > > > > > >
> >> > > > > > > > > > > > Mostly random things, but
> >> > > > > > > > > > > > regularly when I correct maths
> >> > > > > > > > > > > > tests.
> >> > > > > > > > > > >
> >> > > > > > > > > > > do the primes you ask your
> >> > > > > > > > > > > students to study fit in 64 bits?
> >> > > > > > > > > > >
> >> > > > > > > > > >
> >> > > > > > > > > > Yes. But sometimes the primes I
> >> > > > > > > > > > factor do not.
> >> > > > > > > > >
> >> > > > > > > > > Write a dc(1) script!
> >> > > > > > >
> >> > > > > > > man dc
> >> > > > > > >
> >> > > > > >
> >> > > > > > I know, but why?
> >> > > > >
> >> > > > > Because it can already handle arbitrary
> >> > > > > precision arithmetic.
> >> > > > >
> >> > > >
> >> > > > I'm lost. Do you think factor(1) shall be
> >> > > > implemented as a dc(1) script in sbase?
> >> > >
> >> > > No, as I already mentioned earlier, I don't want
> >> > > factor(1) in sbase at this point in time. We can
> >> > > revisit this when we have a dc implementation.
> >> > >
> >> > > This was just a suggestion at an alternative way of
> >> > > implementing factor by just relying on existing
> >> > > POSIX utilities and without having to implement
> >> > > your own bignum code.
> >> > >
> >> >
> >> > How are you going to implement dc without writing
> >> > your own bignum code? Either, we use an existing
> >> > bignum, write our own, or do not implement either of
> >> > factor(1), dc(1), and bc(1). And if we are not going
> >> > to implement them, then GNU factor will do.
> >> >
> >>
> >> dc is a general purpose language, factor isn't. If you
> >> want to focus on something more meaningful for sbase,
> >> consider writing a small bignum library that can be
> >> used with the future sbase dc. We can then decide if
> >> factor should be implemented on top of dc or using
> >> this bignum library.
> >
> > I just started.
> >
> >>
> >> In any case, dc is a needed utility for sbase, factor
> >> isn't so I can provide no promises on factor inclusion.
> >>
> >
>
Received on Fri Feb 26 2016 - 15:58:05 CET