ni...@lysator.liu.se (Niels Möller) writes:
There ought to be more public mpn division functions.
To make any progress, we could start with the easy ones. I'm looking
into making mpn_divexact_1 public. I guess what it takes is only moving
the prototype from gmp-impl.h to gmp-h.in, and document
On Fri, Feb 15, 2013 at 03:51:02PM +0100, Niels Möller wrote:
/* Second revision of a minimal mpz/mpn interface. Question: Should we
use real functions, inline functions, or macros? */
Sorry to answer with two year delay, but I just see that these functions
were added to GMP 6. I should
Bill Allombert bill.allomb...@math.u-bordeaux.fr writes:
I would like to call mpz_divexact_ui on (x,nx) and put the result
in (z,nz), and I would like to avoid doing extra copies (because
mpz_divexact_ui run in linear time).
The current functions don't let you construct an mpz_t object that
bodr...@mail.dm.unipi.it writes:
A comment about roinit...
This function trusts the caller with regards to normalisation. I'm not
sure I like this. I think we should:
- normalize (same code as mpz_limbs_finish) before setting SIZ, or
- add an ASSERT (xs == 0 || xp[ABS (xs)] != 0), and add
On Thu, 28 Feb 2013, Niels Möller wrote:
And MPN_ROINIT_N can't normalize, of course.
I think it could in modern languages (say C++11 for instance), but that's
not the point, sorry for the digression.
--
Marc Glisse
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On Sat, 23 Feb 2013, Niels Möller wrote:
ni...@lysator.liu.se (Niels Möller) writes:
Another revision, this time as a patch. As you can see, I renamed things
a bit more. Compile tested only...
New patch below, including some testcases (no tests for mpz_roinit_n and
MPZ_ROINIT_N though). I'd
Marc Glisse marc.gli...@inria.fr writes:
Was the documentation in an earlier message (I couldn't find it)?
There were more header comments in some of the earlier messages, most
recently in
http://gmplib.org/list-archives/gmp-devel/2013-February/002825.html.
Should be added (as a new section?)
ni...@lysator.liu.se (Niels Möller) writes:
Here's a sketch (totally untested, not even compiled), supporting the
operations I have seen a need for. As usual, good naming is the
difficult part ;-)
Here's a new iteration, which has actually had some testing. I think
I'll be using these
Dear Niels,
But I miss some features in the public interface to do this [...]
I'm glad you hit this issue. I hit it for GMP-ECM and MPFR several years ago.
I reported missing functions in the public interface, and some of them were
added during the years. You have to be patient.
I would
On Mon, Jan 28, 2013 at 8:57 AM, Niels Möller ni...@lysator.liu.se wrote:
But I miss some features in the public interface to do this
conveniently; both for mpn - mpz interoperation,
[...]
For the first issue, it would be nice to have
[...]
+1.
I've too been traveling with MPZ_SET_MPN,
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