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2024-10-01
ALBERTA 3.1.1
Minor adaptions, mainly to improve the overhaul from last
release.
- Tarballs are now created with Automake 2.72 to increase
compatibility with recent compilers that are more
strict.
- Fix building documentation alberta-man.pdf and
alberta-book.pdf. It can be built by invoking `make doc`.
- Increased SO version. (thanks to Markus Blatt)
2023-11-29
ALBERTA 3.1.0
This release comes as a mayor overhaul for the build system and
solves tons of warnings.
- Require Autoconf 2.69 and Automake 1.15
- C standard bumped to C11
- Continuous testing for Debian, Ubuntu, openSuse, and macOS
thanks to GitLab.com
- All executables are no longer build as part of `make all`, the
default target. They were moved to `make check` and serve as
regression tests for the continuous testing system. As a
consequence, these executable are no longer built by default
and are not installed.
- Drop support for Unixes beside Linux and macOS, namely
DEC, HP, SGI, and SUN. They might still work; feel free to
submit non-disruptive patches to keep your working
environment working.
- Disable ALBERTA option `plain-malloc` by default. Today other
ways of debugging memory issues are available and should be
used instead of this.
- Removed most of gnu-compat/ - namely malloc and getops - as there
are other ways to be compatible with Glibc. Only obstack remains
as an updated copy from Glibc.
2018-11-12
ALBERTA 3.0.3
Fixes some long-standing silly bugs. Please have a look at the
history at
https://gitlab.mathematik.uni-stuttgart.de/ians-nmh/alberta/alberta3/
2015-10-03
ALBERTA 3.0.2
Get rid of libltdl when --disable-fem-toolbox is "active" and get rid
of some compiler warnings when including the stuff into C++ code.
Some of the basis function implementations had a chance to return
a pointer to a local non-static buffer.
2014-05-07
ALBERTA 3.0.1
Update the copyright notice in the demo-package to a sane
state + some minor issues.
2014-03-13
ALBERTA 3.0.0
Nothing really new for the past few years, just call the
current state 3.0.0 and live with it. Actually, v3 has been
stable at least since 2009. Some notes:
- The documentation is probably again slightly out of
sync. The demo-suite, however, compiles and works to my
knowledge.
- compat changes: the header files now have to be included like so:
#include <alberta/alberta.h>
Also, utility library now is called libalberta_utilities to enable
side-by-side installation with alberta-1.2.
- bug fixes, see ChangeLog
Some notes concerning the Fremen:
- to please people from the Dune community it is possible to
omit the compilation of the FEM discretization stuff, what
remains is a library which contains only the grid
implementation (well, and other stuff ...) To do this, there
is now a new library libalberta-fem which provides the
FEM-toolbox if needed. The configure switch is called
"--disable-fem-toolbox".
- there is also another interesting "kill" switch
"disable-graphics" which will inhibit the compilation of the
code related to online-graphics. In effect this eliminates
the dependency on X11 and OpenGL. "--disable-fem-toolbox"
implies "--disable-graphics".
- There are now some experimental pkgconfig files which are
installed into their proper default location by "make
install". Requested by Christoph Grüninger, also related to
Dune.
2009-03-26
ALBERTA 3.0-rc1
- per default ALBERTA installs itself into the directory
hierarchy below "/usr/local/". Previous versions of ALBERTA
installed themselves into the build-directory.
- separate graphics and "core" ALBERTA libraries, and a
global configure-time graphics kill-switch
"--disable-graphics".
- BLAS is not used by default, but can optionally be enable by
running configure with the "--enable-fortran-blas" switch.
- easy-to-use (iso-)parametric meshes, up to piecewise polynomial
degree of 4. The coordinate vectors are now dumped to disk
along with the mesh-structure when calling write_mesh().
- parametric meshes for arbitrary co-dimension for 1d/2d/3d meshes
(computations on embedded 3-manifolds are now possible, e.g.)
- periodic meshes; with non-periodic and periodic finite element
spaces on the same mesh, definition via geometric or
combinatorial face transformations.
- support for non-oriented meshes; affects mainly 2d (think,
e.g., of a Klein's bottle or a Moebius-strip).
- sub-mesh hierarchies, with proper mapping of
trace-spaces. Sub-meshes inherit the parametric and/or
periodic structures of their master-meshes.
- _optional_ per-element intializers for basis functions and
quadratures, for extensions which require more complicated stuff
than is provided by ALBERTA.
- fast (i.e. caching) quadratures for faces.
- marginally improved quadrature rules for 3d.
- discontinuous orthogonal basis functions up to degree 2.
- extended demo-program suite, with example programs for parametric
meshes (iso-parametric, but also higher co-dimension),
non-orientable surfaces, stationary Quasi-Stokes with stress
boundary conditions, periodic meshes.
- improved GRAPE interface, interfaces to GMV, Silo, Geomview,
Paraview (with varying degree of completeness and
usability).
2007-10-XX
ALBERTA 2.0
- support of submeshes, DIM constant removed
- support of iso-parametric meshes up to p.w. polynomial degree 2
- more generalized node projection mechanism
- graphics output interface to GMV
- discontinuous basis functions up to degree 2.
- get_fe_space() works at any time
- INDEX macro only available for ALBERTA_DEBUG=1
- NEIGH_IN_EL, EL_INDEX macros removed
- former SOLVER package incorporated into "alberta_util",
"PLOT_ANSI" package removed
- ALBERTA_DEBUG=1 introduces additional safety checks
- changed "preserve_coarse_dofs" mechanism
- changed "fe_space" entry in DOF_[DOWB_]MATRIX into a
"row_fe_space" and a "col_fe_space". Fixed issue with
dof_compress() and different fe_spaces.
- added a "DOF_PTR_VEC" type.
2004-12-07
ALBERTA 1.2.1
Bug fixes.
2004-07-30
ALBERTA 1.2
Renamed from ALBERT to ALBERTA (copyright issues)
New features:
- mixed methods
- GRAPE interface
Configuration
- configure options are more consistent
- it is possible to build only selected libraries
- default CFLAGS are now -O3 (gcc) or -O (non-gcc), can be
overridden by environment variables or on the command line
- it is possible to specify an alternate blas-library
Removed:
- distributed BLAS library
Support:
- ALBERTA now has a mailing list at
http://www.mathematik.uni-freiburg.de/IAM/ALBERTA/mailinglist.html
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