Your message dated Thu, 05 Feb 2015 10:19:01 +0000
with message-id <[email protected]>
and subject line Bug#776802: fixed in lcalc 1.23+dfsg-4
has caused the Debian Bug report #776802,
regarding We need a bigger pari stack size
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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776802: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776802
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: lcalc
Version: 1.23+dfsg-3
the current debian package doesn't work as well as sagemath hopes it to:
jpuydt@cauchy:~$ lcalc -z 3 -e --a1 0 --a2 0 --a3 1 --a4 -1 --a6 0
*** Warning: new stack size = 1028928 (0.981 Mbytes).
*** Error in the PARI system. End of program.
whereas using sagemath's version (on another box) :
(sage-sh) jpuydt@localhost:sage-6.4.1$ lcalc -z 3 -e --a1 0 --a2 0 --a3
1 --a4 -1 --a6 0
0
5.00317001401
6.87039121695
indeed, one of sagemath's patches against lcalc is to use a larger pari
stack -- it is named init_stack.patch and contains :
diff -ru src/include/Lcommandline.h b/include/Lcommandline.h
--- src/include/Lcommandline.h 2012-08-08 23:21:55.000000000 +0200
+++ b/include/Lcommandline.h 2014-01-06 14:04:55.981027532 +0100
@@ -40,12 +40,7 @@
#include "Lcommandline_globals.h" //command line global variables
#ifdef INCLUDE_PARI
#include "pari.h" //for pari's elliptic curve functions
-#undef init //pari has a '#define init pari_init' which
- //causes trouble with the stream.h init.
- //pari also causes trouble with things like abs.
- //we place the pari include first since
otherwise it
- //messes up.
-
+#include "paripriv.h" //for pari_init_stack()
#endif //ifdef INCLUDE_PARI
diff -ru src/src/Lcommandline.cc b/src/Lcommandline.cc
--- src/src/Lcommandline.cc 2012-08-08 23:21:56.000000000 +0200
+++ b/src/Lcommandline.cc 2014-01-06 14:02:19.463388366 +0100
@@ -473,7 +473,9 @@
#ifdef INCLUDE_PARI
if(do_elliptic_curve){
- allocatemoremem((int) N_terms*16+1000000); //XXXXXXXXX
this should depend on whether we're double or long double or mpfr double
+ // Reallocate PARI stack
+ pari_init_stack((size_t)N_terms*16 + 1000000, top-bot);
//XXXXXXXXX this should depend on whether we're double or long double or
mpfr double
+
if (my_verbose>0) cout << "Will precompute " << N_terms
<< " elliptic L-function dirichlet coefficients..." << endl;
initialize_new_L(a1,a2,a3,a4,a6,N_terms);
}
This patch doesn't seem to apply cleanly, and even so the include needs
a "pari/paripriv.h", but it looks like something like this would help us.
I will work on this problem in debian-science's git, but I still wanted
it clearly reported.
Snark on #debian-science
--- End Message ---
--- Begin Message ---
Source: lcalc
Source-Version: 1.23+dfsg-4
We believe that the bug you reported is fixed in the latest version of
lcalc, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Julien Puydt <[email protected]> (supplier of updated lcalc package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Mon, 02 Feb 2015 11:06:33 +0100
Source: lcalc
Binary: lcalc liblfunction0 liblfunction-dev
Architecture: source amd64
Version: 1.23+dfsg-4
Distribution: sid
Urgency: medium
Maintainer: Debian Science Team
<[email protected]>
Changed-By: Julien Puydt <[email protected]>
Description:
lcalc - program for calculating with L-functions
liblfunction-dev - development files for liblfunction
liblfunction0 - library for calculating with L-functions
Closes: 776802
Changes:
lcalc (1.23+dfsg-4) unstable; urgency=medium
.
* Added a patch to allocate a bigger PARI stack. (Closes: #776802)
* Bump standards-version to 3.9.6.
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