--- Begin Message ---
Package: ppl
Version: 0.11.2-6
Dear maintainers,
there is a new upstream release. Please consider upgrading your package.
News since current 0.11.2:
--------------------------------------------------------------------------
NEWS for version 1.0 (released on June 28, 2012)
--------------------------------------------------------------------------
New and Changed Features
========================
o Significant improvements have been obtained in both time and space
resource usage by the definition of data structures and algorithms
for the case of "sparse rows", i.e., sequences of coefficients
where most of the values are zero.
o The library fully supports two different representations for rows:
the "dense" representation is an array-like representation tailored
to sequences having most of their coefficients different from zero;
the "sparse" representation saves memory space (as well as CPU
cycles) when most of the coefficients in the sequence are zero.
o A generic interface allows for a seamless interaction between the
dense and the sparse row representation. Most library entities
(linear expressions, constraints, generators, congruences, and
their systems) can be built using either representation, specified
as a constructor's argument.
o As a by-product of this sparse/dense refactoring work, efficiency
improvements have been obtained even for those computations that
are still based on the dense row representation.
o Reasonable default values for the row representation are provided
for each library entity, automatically leading to significant
memory space savings even in old client/library code, e.g., when
dealing with constraint systems describing weakly relational
abstractions such as boxes and octagonal shapes.
o If desired, these default values can be customized to user's needs
by changing just a few lines of library code. For instance, the
constraint systems stored inside C_Polyhedron and NNC_Polyhedron
objects can be made to use the sparse representation by just
changing the following line in Polyhedron.defs.hh:
static const Representation default_con_sys_repr = DENSE;
to become
static const Representation default_con_sys_repr = SPARSE;
Bugfixes
========
o Fixed a bug affecting methods
bool BD_Shape<T>::contains(const BD_Shape& y) const;
bool Octagonal_Shape<T>::contains(const Octagonal_Shape& y) const;
whereby the wrong result was obtained when *this is an empty
weakly-relational shape and y is not empty.
o Fixed a bug affecting the PIP solver whereby a wrong result could have
been obtained if the input constraint system contained multiple linear
equality constraints.
--------------------------------------------------------------------------
NEWS for version 0.12.1 (released on April 16, 2012)
--------------------------------------------------------------------------
New and Changed Features
========================
o In the C, Java, OCaml and Prolog interfaces, modified the signature
of the function/method/predicate for setting the deterministic timeout
threshold. The new interfaces take two input values, named `unscaled'
and `scale', that are used to compute the threshold value as
`unscaled * 2^scale'.
o Added new Box<ITV> methods
bool has_upper_bound(Variable var,
Coefficient& n, Coefficient& d, bool& closed) const;
bool has_lower_bound(Variable var,
Coefficient& n, Coefficient& d, bool& closed) const;
to query a non-empty box for the existence and value of its upper/lower
bound on variable `var'. The methods have been also added to all the
available language interfaces.
o Two BibTeX databases of papers related to the Parma Polyhedra Library
have been added to the distribution (in the `doc' directory).
Bugfixes
========
o Restored the support for deterministic timeouts in the PIP solver
(it was removed by accident in PPL 0.12).
o Minor documentation fixes.
o Portability improved.
--------------------------------------------------------------------------
NEWS for version 0.12 (released on February 27, 2012)
--------------------------------------------------------------------------
New and Changed Features
========================
o New configure options `--with-gmp=DIR', `--with-gmp-include=DIR' and
`--with-gmp-lib=DIR' supersede the (now removed) option
`--with-gmp-prefix'. (The old option never really worked; hopefully
this is the last change in this area.)
o New configuration option `--disable-documentation'. When specified
no new documentation is built: only the documentation already present
in the source tree is installed upon `make install'.
o The resolution process for PIP_Problem now better exploits the
integrality of parameters to simplify the newly generated tautological
constraints, the splitting constraints of decision nodes, and the
expressions defining artificial parameters.
o The implementations of the MIP and PIP solvers are based on a new
data structure leading to significant space and time savings when
the tableau matrix is sparse; the benchmarks of the ppl_lpsol demo
show an improvement on the average case, that grows when the toughest
tests in the benchmark suite are considered.
o When the `--check' option is used, the input data for demo ppl_lpsol
is perturbed the same way as GLPK does, thereby allowing for a
meaningful comparison of the results obtained.
o The input routine for PPL numeric datatypes has been extended to
accept the ISO9899 (C99) hexadecimal floating constant syntax.
o The Parma Watchdog Library has been merged into the
Parma Polyhedra Library.
Bugfixes
========
o Corrected a precision bug in methods
Box<ITV>::upper_bound_assign(const Box&)
Box<ITV>::upper_bound_assign_if_exact(const Box&)
whereby, provided any argument is an empty box and under other rather
specific conditions, the computed result was correct but unnecessarily
imprecise.
o Corrected a bug in method
Grid::relation_with(const Constraint&) const
whereby, under specific conditions, the method was creating invalid
Grid_Generator objects and providing an incorrect result.
--
Pozdrawiam / Kind regards,
Artur Rona
--- End Message ---
--- Begin Message ---
Source: ppl
Source-Version: 1:1.0-5
We believe that the bug you reported is fixed in the latest version of
ppl, 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 680897@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Matthias Klose <doko@debian.org> (supplier of updated ppl 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 ftpmaster@debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Mon, 06 May 2013 15:44:07 +0200
Source: ppl
Binary: libppl12 libppl0.12-dev ppl-dev libppl-c4 libppl-doc libppl-swi
Architecture: source amd64 all
Version: 1:1.0-5
Distribution: unstable
Urgency: low
Maintainer: Debian GCC Maintainers <debian-gcc@lists.debian.org>
Changed-By: Matthias Klose <doko@debian.org>
Description:
libppl-c4 - Parma Polyhedra Library (C interface)
libppl-doc - Parma Polyhedra Library: Documentation
libppl-swi - Parma Polyhedra Library (SWI Prolog interface)
libppl0.12-dev - Parma Polyhedra Library (development)
libppl12 - Parma Polyhedra Library (runtime library)
ppl-dev - Parma Polyhedra Library (development binaries)
Closes: 680897
Changes:
ppl (1:1.0-5) unstable; urgency=low
.
* Upload to unstable.
.
ppl (1:1.0-4) experimental; urgency=low
.
* Ignore test failures on s390x. No feedback from the Debian porters.
.
ppl (1:1.0-3) experimental; urgency=low
.
* Bump the epoch (and the release number, because the archive software
can't handle 1:1.0-2 after an 1.0-2 upload), upload to experimental
this time.
.
ppl (1.0-2) unstable; urgency=low
.
* Fix build failure in testsuite on sparc, s390, s390x.
* Don't try to build the prolog bindings on arm64 and hurd-i386.
.
ppl (1.0-1) experimental; urgency=low
.
* New upstream version. Closes: #680897.
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