2 date: Sat Apr 1 05:26:03 PM CEST 2023
4 - support recent versions of clang
7 date: Sat 02 Jul 2022 04:23:41 PM CEST
9 - support recent versions of clang
12 date: Sat 01 May 2021 12:50:27 PM CEST
14 - support recent versions of clang
15 - fix minor bug involving implicit equality constraints
18 date: Sun 01 Nov 2020 03:46:32 PM CET
20 - support recent versions of clang
23 date: Wed Nov 13 11:37:55 CET 2019
25 - support more recent versions of NTL
28 date: Thu Mar 28 18:33:44 CET 2019
33 date: Mon Jul 30 22:57:00 CEST 2018
35 - add LICENSE file to distribution
39 date: Tue Mar 6 21:23:21 CET 2018
41 - drop support for applying "codegen" to a set from iscc
44 date: Thu Feb 23 10:03:21 CET 2017
49 date: Fri Jan 15 09:20:30 CET 2016
51 - support more recent versions of NTL
52 - support more operations in iscc
55 date: Tue Jun 16 12:36:25 CEST 2015
57 - support more recent versions of GLPK
58 - support schedule trees in iscc
62 date: Mon Apr 14 11:22:44 CEST 2014
65 - integrate isl-polylib submodule
69 date: Mon Dec 3 09:34:27 CET 2012
71 - support fixed power operation in iscc
72 - use isl for codegen operation in iscc
73 - drop cloog submodule
76 date: Sun Dec 18 10:49:36 CET 2011
79 - drop omega submodule
80 - preliminary Python bindings
83 date: Thu Jul 14 12:31:21 CEST 2011
86 - change license to GPLv2+ (from GPLv2)
89 date: Fri Mar 18 17:35:10 CET 2011
91 - add isl_set_apply_pw_qpolynomial
92 - drop piplib submodule
93 - barvinok_bound and barvinok_summate now accept input in isl notation
94 - use isl for more operations
98 date: Mon Sep 13 11:38:47 CEST 2010
100 - fix parameter alignment in iscc
103 date: Fri Sep 10 14:58:48 CEST 2010
105 - support named and nested spaces
106 - support union sets and maps
107 - add isl_map_apply_pw_qpolynomial
108 - use union sets and maps in iscc
109 - support codegen operation in iscc if CLooG is available
112 date: Tue Jun 29 13:18:52 CEST 2010
114 - use isl for argument parsing
115 - minor compilation fixes
116 - drop bernstein library in favor of isl implementation
117 - drop Omega calculator
118 - the Omega submodule is no longer compiled by default
119 - improved isl based calculator
120 - drop barvinok_enumerate_pip_with_options
123 date: Wed Mar 10 18:10:33 CET 2010
125 - add isl interface and new isl based calculator
126 - barvinok_enumerate now returns NaN on infinite problems
127 - minor compilation and bug fixes
128 - support newer versions of TOPCOM
131 date: Wed Jul 22 15:14:01 CEST 2009
133 - new version of Laurent expansion based exact summation
134 - minor compilation and bug fixes
135 - add semigroup_holes application
136 - add vector_partition_chambers application
139 date: Thu Oct 16 21:56:01 CEST 2008
141 - add omega as submodule
142 - minor compilation and bug fixes
145 date: Sun May 4 23:42:49 CEST 2008
147 - add Parker's library for DFA based counting
148 - support nested sums based exact summation
149 - support Laurent expansion based exact summation
150 - handle equalities and factors in summation
151 - support range propagation for computing bounds
152 - support computation of exact bound through iteration
153 - fix conversion from GiNaC's numeric to Values
156 date: Wed Jan 16 23:45:17 CET 2008
158 - support computation of generating functions in barvinok_enumerate_e
159 - support polymake 2.3
160 - support GiNaC 1.3.8 and newer
161 - support summation using Bernoulli formula
162 - add and use zsolve from 4ti2 for computing Hilbert bases of cones
163 - support use of piplib for solving LPs
164 - add polyhedron_integer_hull and polytope_minimize
165 - add polytope_lattice_width for computing the lattice widths of polytopes
168 date: Tue Sep 11 22:02:22 CEST 2007
170 - add PolyLib and piplib as submodules
171 - remove compatibility with old versions of PolyLib and piplib
172 - support use of piplib for basis reduction
173 - support summation using local Euler-Maclaurin formula for 2D polytopes
174 - support TOPCOM based chamber decompositions
175 - simplify primal decomposition
178 date: Sat Jun 30 23:37:31 CEST 2007
180 - support exponential (Todd) substitution for non-parametric problems
181 - support primal and stopped decomposition on parametric problems
182 - support nested sums polynomial approximation of quasi-polynomials
183 - add barvinok_summate for summating a polynomial over a polytope
184 - speed improvements in barvinok_count and polyhedron_sample
187 date: Sat Apr 28 20:10:35 CEST 2007
189 - use arpg for argument parsing in most commands
191 support polynomial approximations of quasi-polynomials, including
192 volume computation, Meister's method and replacing fractional parts
194 - add barvinok_maximize for computing upper (and lower) bounds
195 - support non-parametric primal and stopped Barvinok decomposition
196 - periodic number representation now run-time configurable
197 - drop support for ancient PolyLib versions
198 - simplified partitioning of chamber complex
199 - add evalue_eval, an exact version of copmute_evalue
200 - improved handling of large generating functions
201 - integrate barvinok_series functionality into barvinok_enumerate
202 - support use of cdd for solving LPs in basis reduction
203 - initial support for computing bounds over quasi-polynomials
204 - recursive Bernstein expansion
205 - corrections and improvements of lexmin
206 - optionally print quasi-polynomial as list of polynomials
207 - add some documentation
210 date: Tue Oct 31 23:15:15 CET 2006
212 - include bernstein library with interface to barvinok and occ
214 - barvinok_count now only returns -1 for unbounded polyhedra with integer points
215 - preliminary implementation of projection via neighborhood complexes
216 - implement generalized basis reduction
217 - add polyhedron_sample
220 - some internal reorganization
221 - some gen_fun clean-ups and optimizations
222 - plug some memory leaks
223 - fix some corner cases
224 - shared libraries are no longer built by default
225 - introduce barvinok_options to pass to functions instead of just MaxRays
226 - use same LLL reduction parameter that LattE uses
227 - add some documentation
230 date: Thu Jun 22 20:49:11 CEST 2006
232 - add some documentation
233 - add barvinok_ehrhart
234 - add h_star_vector polymake client
235 - fix some corner cases
236 - more experimental support for enumerating unions of polytopes
237 - rename cdd2polylib.pl to latte2polylib.pl
240 date: Wed Feb 22 12:01:23 CET 2006
242 - fix PIP-based reduction by removing some code and assuming a recent PIP
243 - some memory leaks plugged
244 - optionally use Omega as a preprocessor in barvinok_enumerate_e
245 - integrate verif_ehrhart_e into barvinok_enumerate_e
246 - barvinok_series handles more problem with equalities
247 - add gen_fun::Hadamard_product
248 - experimental support for enumerating unions of polytopes
251 date: Fri Jan 20 22:14:44 CET 2006
253 - include Omega Calculator interface occ
254 - print_enode creates parameter names if none are provided
255 - only use PIP to project out some variables
256 - some header file fixes
260 date: Thu Sep 15 11:27:19 CEST 2005
262 - factor polyhedra into independent parts before enumeration
263 - make "random vector" specialization more robust
264 - speed up verif_ehrhart by only checking inside the context
265 - remove {Param,}Polyhedron_Reduce
266 - rename triangularize_cone to triangulate_cone
267 - generalize computation of lexmin/max using PIP
268 - compute the number of lexsmaller elements using PolyLib's LexSmaller
271 date: Mon Aug 1 12:23:50 CEST 2005
273 - fix some configuration problems
274 - include minimal polymake client
277 date: Thu Jun 30 12:10:29 CEST 2005
279 - implement "breadth-first" incremental specialization
280 - implement non-incremental version for series computation
281 - make non-incremental specialization the default again
282 - check for bad PolyLib version at runtime
283 - compiles on Windows (mingw32)
285 - allow crosscompilation
286 - compute the coefficients of an Ehrhart series
287 - fix conversion of PIP output to polyhedra
288 - allow direct verification of Ehrhart series
291 date: Sun Dec 12 23:00:40 CET 2004
293 - export Polyhedron_Project
294 - allow verification of step-functions computed from Ehrhart series
295 - optionally compute step-functions incrementally
296 - disable possibly incorrect optimization
297 - minor optimizations in Ehrhart series computations
300 date: Wed Nov 17 19:22:23 CET 2004
302 - use code for computing series to count non-parametric polytopes
303 - add conversion from series to explicit function
304 - fix removal of redundant equalities
307 date: Sat Oct 16 12:13:30 CEST 2004
309 - use slightly larger random numbers
310 - change basis to remove existential variable
311 - fix bug in reduction
312 - handle empty PIP solution
313 - add utility to remove equalities
316 date: Sun Oct 3 20:47:11 CEST 2004
318 - reduce memory requirements
320 - add patch for NTL 5.3.2
321 - experimental support for Ehrhart series
322 - compile fix on systems that lack <getopt.h>
325 date: Sat Sep 18 14:49:40 CEST 2004
328 - find and use PIP if available
329 - don't overallocate matrices on newer PolyLibs
330 - verification program for enumeration of integer projections
331 - summation of enumerations
333 - support older versions of GMP
336 date: Tue Jul 6 22:09:11 CEST 2004
338 - install header files
339 - modulo representation changed to fractionals
340 - perform some simplifications on the modulo representation
341 - barvinok_enumerate returns a malloc'ed evalue
342 - a few bugs in barvinok_enumerate_e removed
343 - optionally print an indication of the size of an enumeration
345 - bug in triangularization fixed
346 - bug in polyhedron reduction fixed
347 - verif_ehrhart.c should compile on C89 systems again
351 - bug in polyhedron reduction fixed
354 date: Sun Feb 22 21:15:00 CET 2004
356 - remove remaining part of Kristof's Ehrhart manipulation code
357 - optimize modulo expression based on validity domain
358 - support partition evalues
359 - factor out 1D polytopes
360 - validity domains can now be unions of polytopes
361 - optionally convert modulo representation to lookup-table
362 - rename indicator to relation
367 - support "indicator" evalues
368 - support equalities for modulo representation
372 - remove part of Kristof's Ehrhart manipulation code
373 - partial support for modulo representation
374 - support cvs version of PolyLib
377 date: Thu Nov 27 13:35:59 CET 2003
380 include code from Kristof Beyls for manipulating Ehrhart
383 implement barvinok_enumerate for constructing Ehrhart
384 polynomials using barvinok's algorithm
387 date: Thu Nov 6 01:36:25 CET 2003
390 allow specification of max #constraints
391 for those without automatically growing chernikova tables
392 - fix a few small bugs
393 - some minor optimizations
396 date: Mon Nov 3 16:35:57 CET 2003
398 - fix a number of bugs
402 date: Mon Oct 20 14:15:45 CEST 2003
404 - change name from count to barvinok_count
405 - return -1 if polyhedron is unbounded
406 - trivially optimize counting in presence of some independent constraints