On Fri, 26 Feb 2016 11:55:12 +0000 Dimitris Papastamos <s...@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 <s...@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 <s...@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 <s...@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 <s...@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 <d...@frign.de> wrote: > > > > > > > > > > > > > > > > > > > > > On Fri, 26 Feb 2016 09:37:12 +0100 > > > > > > > > > > > Mattias Andrée <maand...@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. >
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