Hey Esa,
Another great instructive email! Thanks again! I will keep this
response short because I am sure you are busy and you have been more
than helpful so far. I also need to get back to working through the
code...
I hope my answer helps, but if it gets you more confused,
maybe it'
Hi Peter,
Peter Tanski wrote:
> (This may sound naieve): the in { size, used, payload, sign } are all
> parts of the info-table for the payload and the RTS re-initialises the
> mathlib on each invocation, right?
I hope my answer helps, but if it gets you more confused,
maybe it's just because I'
Esa,
What I have written here might not be the most useful guide to
start with, but maybe it is of help for other interested souls.
Many thanks for the notes; it would probably be better if more than
one programmer worked on it.
* The memory handling:
The idea on most bignum libs is
On Tue, 2006-08-01 at 17:05 +0100, Simon Marlow wrote:
> Duncan Coutts wrote:
> > So where do I put the Gtk+ .dlls? At the moment I seem to have no choice
> > but to put them on the %PATH%. And thus the breakage ensues. Old
> > versions of Gtk+ that people have on their systems can interfere. Lots
| MSR Cambridge now takes interns *year-round*, not just in the summer
months. Simon Marlow and I
| are keen to attract motivated and well-qualified folk to work with us
on our research, and on improving
| or developing GHC.
PS: concerning the enclosed, if you are interested in an internship at
M
On Tue, Aug 01, 2006 at 02:57:31PM +0400, Bulat Ziganshin wrote:
> John, Integer values in many cases used just to keep small numbers
> which can be larger than 2^32 (2^64) in rare cases. For example,
> "type FileSize = Integer" used in IO library. so it's important to
> keep operations on small In
Hi Peter,
Peter Tanski wrote:
> In the July thread, (Repost) Replacement for GMP as Bignum: ARPREC?
> Haskell?; OS X and OpenSSL, you wrote:
>
>> In past, I tried to get rid of GMP by replacing it with libtommath
>> http://math.libtomcrypt.com/
>> But I have given up for now - because of related
Duncan Coutts wrote:
On Sun, 2006-07-30 at 20:02 +0100, Brian Hulley wrote:
Suppose for a moment that GHC did dynamically link gmp.dll, or indeed
HSbase.dll. Where exactly would these files go?
I'd install them in the same directory as ghc.exe because this directory has
to be on the %PATH%
Hi,
This is probably the libedit issue. On OS X, NetBSD's libedit is
installed.
Libedit provides a partial implementation of the readline API. On OS X,
Apple has symlinked /usr/lib/libreadline.dylib to libedit. This is
not a good
idea.
I submitted at patch to fix this and I think it w
Joel Reymont wrote:
I give up! Mac PPC doesn't like me now that I'm on Intel.
This is PPC, btw, and I _do_ have readline installed. GHC from
DarwinPorts compiles just fine.
[snip]
/usr/bin/ld: Undefined symbols:
_rl_initialize
_rl_reset_terminal
_add_history
_readline
collect2: ld returned
Esa,
In the July thread, (Repost) Replacement for GMP as Bignum: ARPREC?
Haskell?; OS X and OpenSSL, you wrote:
In past, I tried to get rid of GMP by replacing it with libtommath
http://math.libtomcrypt.com/
But I have given up for now - because of related and unrelated
problems.
Since I
Actually, you can keep it to one test for add/subtract if you
use a single word that is either a number or a pointer, the
pointer being tagged in lowest bit. Then you can add first
and check for tags after. Having tags is rare, so the machine
should be told so, if possible. This way you can kee
Hello John,
Tuesday, August 1, 2006, 5:19:37 AM, you wrote:
> This has made me wonder whether we are better off getting rid of the
> small integer optimization and turning Integer into a straight
> unboxable ForeignPtr to a GMP number. this would also mean we could use
> the standard GMP that com
The "right" thing to do is to use the GHC API to parse the interface
files. That way, when the details change, your program won't get
confused. However, the GHC API is neither well designed nor well
documented at the moment. This is a bit chicken-and-egg-ish; until
people start to use it, it'll
If there was an alternative small/big rep, no matter how encoded, it'd still
entail conditionals (2 for addition say) to check for that path. And the
conditionals also hurt optimisations.
But both possibilities would be an interesting thing to try.
Simon
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