Hi,
we have looked at the mpz_limbs interface, it seems it won't be sufficient for
our needs in MPFR. Consider for example the following function, which
generates nbits random bits into mp[]:
/* generate nbits random bits into mp[], assuming mp was allocated to contain
a sufficient
Zimmermann Paul paul.zimmerm...@inria.fr writes:
we have looked at the mpz_limbs interface,
Thanks for the review.
it seems it won't be sufficient for
our needs in MPFR. Consider for example the following function, which
generates nbits random bits into mp[]:
I see. In this particular
ni...@lysator.liu.se (Niels Möller) writes:
I see. In this particular case, I think the right gmp interface change
is to add mpn_urandomb and mpn_rrandomb (similar to current mpn_random
and mpn_random2, but with a randstate argument). If I understand this
correctly, the main obstacle is
Torbjorn Granlund t...@gmplib.org writes:
ni...@lysator.liu.se (Niels Möller) writes:
I see. In this particular case, I think the right gmp interface change
is to add mpn_urandomb and mpn_rrandomb (similar to current mpn_random
and mpn_random2, but with a randstate argument). If I
Marc Glisse marc.gli...@inria.fr writes:
We already have function mpz_array_init which encourages thinking of
the buffer as belonging to a variable,
There's a ChangeLog entry from the day before yesterday:
* doc/gmp.texi: Undocument mpz_array_init.
I take it Torbjörn really wants to
Niels,
There's a ChangeLog entry from the day before yesterday:
* doc/gmp.texi: Undocument mpz_array_init.
I take it Torbjörn really wants to deprecate this function.
Are you using it in mpfr?
no.
Paul
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PS: when doing make check with mpfr development version and the gmp
snapshot
from last night, I get one failure:
Seed GMP_CHECK_RANDOMIZE=1391280408 (include this in bug reports)
repl-vsnprintf.c:379: GNU MP assertion failed: len total_width
/bin/bash: line 5: 7656 Aborted
ni...@lysator.liu.se (Niels Möller) writes:
Torbjorn Granlund t...@gmplib.org writes:
ni...@lysator.liu.se (Niels Möller) writes:
I see. In this particular case, I think the right gmp interface change
is to add mpn_urandomb and mpn_rrandomb (similar to current mpn_random
Marc Glisse marc.gli...@inria.fr writes:
We already have function mpz_array_init which encourages thinking of
I removed its docs the other day.
Torbjörn
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On Tue, 21 Jan 2014, Niels Möller wrote:
There's a ChangeLog entry from the day before yesterday:
* doc/gmp.texi: Undocument mpz_array_init.
Thanks, I hadn't seen it yet.
One can still use mpz_realloc2, which can be viewed as an allocation
hint to the gmp implementation (so in
Torbjorn Granlund t...@gmplib.org writes:
ni...@lysator.liu.se (Niels Möller) writes:
After 5.2?
Probably, but you're welcome to fix it today also. :-)
Or would you suggest that we postpone the release?
No, I donät think the release whould wait for new randomness functions.
As you
Marc Glisse marc.gli...@inria.fr writes:
I was talking of the case where I already have a preexisting buffer I
want to use as _mp_d, I don't want to allocate a new one with
mpz_realloc2. That seems to be a few steps further than the new limb
interface goes, and I can understand not wanting to
Ciao,
Il Mar, 21 Gennaio 2014 4:24 pm, Torbjorn Granlund ha scritto:
Zimmermann Paul paul.zimmerm...@inria.fr writes:
Seed GMP_CHECK_RANDOMIZE=1391280408 (include this in bug reports)
repl-vsnprintf.c:379: GNU MP assertion failed: len total_width
/bin/bash: line 5: 7656 Aborted
On Tue, 21 Jan 2014, Niels Möller wrote:
No, the new limb interface can only do it the other way round. If you
want to use a buffer as mpz_t output, and access it with low-level
fucntions too, you have give the reponsibility for allocating it to
_mpz_realloc, and write the code to tolerate that
ni...@lysator.liu.se (Niels Möller) writes:
This assumes that C++ allows initializers with arbitrary non-constant
expressions (does it?), and that we implement mpn_set_d.
The top-level file extract-dbl.c kind-of does that already.
Torbjörn
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Dear Marco,
Seed GMP_CHECK_RANDOMIZE=1391280408 (include this in bug reports)
repl-vsnprintf.c:379: GNU MP assertion failed: len total_width
/bin/bash: line 5: 7656 Aborted (core dumped)
MPFR_QUIET=1 ${dir}$tst
FAIL: tprintf
I trust that you will
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