2 date: Wed Nov 13 11:37:55 CET 2019
4 - support more recent versions of NTL
7 date: Thu Mar 28 18:33:44 CET 2019
12 date: Mon Jul 30 22:57:00 CEST 2018
14 - add LICENSE file to distribution
18 date: Tue Mar 6 21:23:21 CET 2018
20 - drop support for applying "codegen" to a set from iscc
23 date: Thu Feb 23 10:03:21 CET 2017
28 date: Fri Jan 15 09:20:30 CET 2016
30 - support more recent versions of NTL
31 - support more operations in iscc
34 date: Tue Jun 16 12:36:25 CEST 2015
36 - support more recent versions of GLPK
37 - support schedule trees in iscc
41 date: Mon Apr 14 11:22:44 CEST 2014
44 - integrate isl-polylib submodule
48 date: Mon Dec 3 09:34:27 CET 2012
50 - support fixed power operation in iscc
51 - use isl for codegen operation in iscc
52 - drop cloog submodule
55 date: Sun Dec 18 10:49:36 CET 2011
58 - drop omega submodule
59 - preliminary Python bindings
62 date: Thu Jul 14 12:31:21 CEST 2011
65 - change license to GPLv2+ (from GPLv2)
68 date: Fri Mar 18 17:35:10 CET 2011
70 - add isl_set_apply_pw_qpolynomial
71 - drop piplib submodule
72 - barvinok_bound and barvinok_summate now accept input in isl notation
73 - use isl for more operations
77 date: Mon Sep 13 11:38:47 CEST 2010
79 - fix parameter alignment in iscc
82 date: Fri Sep 10 14:58:48 CEST 2010
84 - support named and nested spaces
85 - support union sets and maps
86 - add isl_map_apply_pw_qpolynomial
87 - use union sets and maps in iscc
88 - support codegen operation in iscc if CLooG is available
91 date: Tue Jun 29 13:18:52 CEST 2010
93 - use isl for argument parsing
94 - minor compilation fixes
95 - drop bernstein library in favor of isl implementation
96 - drop Omega calculator
97 - the Omega submodule is no longer compiled by default
98 - improved isl based calculator
99 - drop barvinok_enumerate_pip_with_options
102 date: Wed Mar 10 18:10:33 CET 2010
104 - add isl interface and new isl based calculator
105 - barvinok_enumerate now returns NaN on infinite problems
106 - minor compilation and bug fixes
107 - support newer versions of TOPCOM
110 date: Wed Jul 22 15:14:01 CEST 2009
112 - new version of Laurent expansion based exact summation
113 - minor compilation and bug fixes
114 - add semigroup_holes application
115 - add vector_partition_chambers application
118 date: Thu Oct 16 21:56:01 CEST 2008
120 - add omega as submodule
121 - minor compilation and bug fixes
124 date: Sun May 4 23:42:49 CEST 2008
126 - add Parker's library for DFA based counting
127 - support nested sums based exact summation
128 - support Laurent expansion based exact summation
129 - handle equalities and factors in summation
130 - support range propagation for computing bounds
131 - support computation of exact bound through iteration
132 - fix conversion from GiNaC's numeric to Values
135 date: Wed Jan 16 23:45:17 CET 2008
137 - support computation of generating functions in barvinok_enumerate_e
138 - support polymake 2.3
139 - support GiNaC 1.3.8 and newer
140 - support summation using Bernoulli formula
141 - add and use zsolve from 4ti2 for computing Hilbert bases of cones
142 - support use of piplib for solving LPs
143 - add polyhedron_integer_hull and polytope_minimize
144 - add polytope_lattice_width for computing the lattice widths of polytopes
147 date: Tue Sep 11 22:02:22 CEST 2007
149 - add PolyLib and piplib as submodules
150 - remove compatibility with old versions of PolyLib and piplib
151 - support use of piplib for basis reduction
152 - support summation using local Euler-Maclaurin formula for 2D polytopes
153 - support TOPCOM based chamber decompositions
154 - simplify primal decomposition
157 date: Sat Jun 30 23:37:31 CEST 2007
159 - support exponential (Todd) substitution for non-parametric problems
160 - support primal and stopped decomposition on parametric problems
161 - support nested sums polynomial approximation of quasi-polynomials
162 - add barvinok_summate for summating a polynomial over a polytope
163 - speed improvements in barvinok_count and polyhedron_sample
166 date: Sat Apr 28 20:10:35 CEST 2007
168 - use arpg for argument parsing in most commands
170 support polynomial approximations of quasi-polynomials, including
171 volume computation, Meister's method and replacing fractional parts
173 - add barvinok_maximize for computing upper (and lower) bounds
174 - support non-parametric primal and stopped Barvinok decomposition
175 - periodic number representation now run-time configurable
176 - drop support for ancient PolyLib versions
177 - simplified partitioning of chamber complex
178 - add evalue_eval, an exact version of copmute_evalue
179 - improved handling of large generating functions
180 - integrate barvinok_series functionality into barvinok_enumerate
181 - support use of cdd for solving LPs in basis reduction
182 - initial support for computing bounds over quasi-polynomials
183 - recursive Bernstein expansion
184 - corrections and improvements of lexmin
185 - optionally print quasi-polynomial as list of polynomials
186 - add some documentation
189 date: Tue Oct 31 23:15:15 CET 2006
191 - include bernstein library with interface to barvinok and occ
193 - barvinok_count now only returns -1 for unbounded polyhedra with integer points
194 - preliminary implementation of projection via neighborhood complexes
195 - implement generalized basis reduction
196 - add polyhedron_sample
199 - some internal reorganization
200 - some gen_fun clean-ups and optimizations
201 - plug some memory leaks
202 - fix some corner cases
203 - shared libraries are no longer built by default
204 - introduce barvinok_options to pass to functions instead of just MaxRays
205 - use same LLL reduction parameter that LattE uses
206 - add some documentation
209 date: Thu Jun 22 20:49:11 CEST 2006
211 - add some documentation
212 - add barvinok_ehrhart
213 - add h_star_vector polymake client
214 - fix some corner cases
215 - more experimental support for enumerating unions of polytopes
216 - rename cdd2polylib.pl to latte2polylib.pl
219 date: Wed Feb 22 12:01:23 CET 2006
221 - fix PIP-based reduction by removing some code and assuming a recent PIP
222 - some memory leaks plugged
223 - optionally use Omega as a preprocessor in barvinok_enumerate_e
224 - integrate verif_ehrhart_e into barvinok_enumerate_e
225 - barvinok_series handles more problem with equalities
226 - add gen_fun::Hadamard_product
227 - experimental support for enumerating unions of polytopes
230 date: Fri Jan 20 22:14:44 CET 2006
232 - include Omega Calculator interface occ
233 - print_enode creates parameter names if none are provided
234 - only use PIP to project out some variables
235 - some header file fixes
239 date: Thu Sep 15 11:27:19 CEST 2005
241 - factor polyhedra into independent parts before enumeration
242 - make "random vector" specialization more robust
243 - speed up verif_ehrhart by only checking inside the context
244 - remove {Param,}Polyhedron_Reduce
245 - rename triangularize_cone to triangulate_cone
246 - generalize computation of lexmin/max using PIP
247 - compute the number of lexsmaller elements using PolyLib's LexSmaller
250 date: Mon Aug 1 12:23:50 CEST 2005
252 - fix some configuration problems
253 - include minimal polymake client
256 date: Thu Jun 30 12:10:29 CEST 2005
258 - implement "breadth-first" incremental specialization
259 - implement non-incremental version for series computation
260 - make non-incremental specialization the default again
261 - check for bad PolyLib version at runtime
262 - compiles on Windows (mingw32)
264 - allow crosscompilation
265 - compute the coefficients of an Ehrhart series
266 - fix conversion of PIP output to polyhedra
267 - allow direct verification of Ehrhart series
270 date: Sun Dec 12 23:00:40 CET 2004
272 - export Polyhedron_Project
273 - allow verification of step-functions computed from Ehrhart series
274 - optionally compute step-functions incrementally
275 - disable possibly incorrect optimization
276 - minor optimizations in Ehrhart series computations
279 date: Wed Nov 17 19:22:23 CET 2004
281 - use code for computing series to count non-parametric polytopes
282 - add conversion from series to explicit function
283 - fix removal of redundant equalities
286 date: Sat Oct 16 12:13:30 CEST 2004
288 - use slightly larger random numbers
289 - change basis to remove existential variable
290 - fix bug in reduction
291 - handle empty PIP solution
292 - add utility to remove equalities
295 date: Sun Oct 3 20:47:11 CEST 2004
297 - reduce memory requirements
299 - add patch for NTL 5.3.2
300 - experimental support for Ehrhart series
301 - compile fix on systems that lack <getopt.h>
304 date: Sat Sep 18 14:49:40 CEST 2004
307 - find and use PIP if available
308 - don't overallocate matrices on newer PolyLibs
309 - verification program for enumeration of integer projections
310 - summation of enumerations
312 - support older versions of GMP
315 date: Tue Jul 6 22:09:11 CEST 2004
317 - install header files
318 - modulo representation changed to fractionals
319 - perform some simplifications on the modulo representation
320 - barvinok_enumerate returns a malloc'ed evalue
321 - a few bugs in barvinok_enumerate_e removed
322 - optionally print an indication of the size of an enumeration
324 - bug in triangularization fixed
325 - bug in polyhedron reduction fixed
326 - verif_ehrhart.c should compile on C89 systems again
330 - bug in polyhedron reduction fixed
333 date: Sun Feb 22 21:15:00 CET 2004
335 - remove remaining part of Kristof's Ehrhart manipulation code
336 - optimize modulo expression based on validity domain
337 - support partition evalues
338 - factor out 1D polytopes
339 - validity domains can now be unions of polytopes
340 - optionally convert modulo representation to lookup-table
341 - rename indicator to relation
346 - support "indicator" evalues
347 - support equalities for modulo representation
351 - remove part of Kristof's Ehrhart manipulation code
352 - partial support for modulo representation
353 - support cvs version of PolyLib
356 date: Thu Nov 27 13:35:59 CET 2003
359 include code from Kristof Beyls for manipulating Ehrhart
362 implement barvinok_enumerate for constructing Ehrhart
363 polynomials using barvinok's algorithm
366 date: Thu Nov 6 01:36:25 CET 2003
369 allow specification of max #constraints
370 for those without automatically growing chernikova tables
371 - fix a few small bugs
372 - some minor optimizations
375 date: Mon Nov 3 16:35:57 CET 2003
377 - fix a number of bugs
381 date: Mon Oct 20 14:15:45 CEST 2003
383 - change name from count to barvinok_count
384 - return -1 if polyhedron is unbounded
385 - trivially optimize counting in presence of some independent constraints