2 date: Fri Jan 15 09:20:30 CET 2016
4 - support more recent versions of NTL
5 - support more operations in iscc
8 date: Tue Jun 16 12:36:25 CEST 2015
10 - support more recent versions of GLPK
11 - support schedule trees in iscc
15 date: Mon Apr 14 11:22:44 CEST 2014
18 - integrate isl-polylib submodule
22 date: Mon Dec 3 09:34:27 CET 2012
24 - support fixed power operation in iscc
25 - use isl for codegen operation in iscc
26 - drop cloog submodule
29 date: Sun Dec 18 10:49:36 CET 2011
32 - drop omega submodule
33 - preliminary Python bindings
36 date: Thu Jul 14 12:31:21 CEST 2011
39 - change license to GPLv2+ (from GPLv2)
42 date: Fri Mar 18 17:35:10 CET 2011
44 - add isl_set_apply_pw_qpolynomial
45 - drop piplib submodule
46 - barvinok_bound and barvinok_summate now accept input in isl notation
47 - use isl for more operations
51 date: Mon Sep 13 11:38:47 CEST 2010
53 - fix parameter alignment in iscc
56 date: Fri Sep 10 14:58:48 CEST 2010
58 - support named and nested spaces
59 - support union sets and maps
60 - add isl_map_apply_pw_qpolynomial
61 - use union sets and maps in iscc
62 - support codegen operation in iscc if CLooG is available
65 date: Tue Jun 29 13:18:52 CEST 2010
67 - use isl for argument parsing
68 - minor compilation fixes
69 - drop bernstein library in favor of isl implementation
70 - drop Omega calculator
71 - the Omega submodule is no longer compiled by default
72 - improved isl based calculator
73 - drop barvinok_enumerate_pip_with_options
76 date: Wed Mar 10 18:10:33 CET 2010
78 - add isl interface and new isl based calculator
79 - barvinok_enumerate now returns NaN on infinite problems
80 - minor compilation and bug fixes
81 - support newer versions of TOPCOM
84 date: Wed Jul 22 15:14:01 CEST 2009
86 - new version of Laurent expansion based exact summation
87 - minor compilation and bug fixes
88 - add semigroup_holes application
89 - add vector_partition_chambers application
92 date: Thu Oct 16 21:56:01 CEST 2008
94 - add omega as submodule
95 - minor compilation and bug fixes
98 date: Sun May 4 23:42:49 CEST 2008
100 - add Parker's library for DFA based counting
101 - support nested sums based exact summation
102 - support Laurent expansion based exact summation
103 - handle equalities and factors in summation
104 - support range propagation for computing bounds
105 - support computation of exact bound through iteration
106 - fix conversion from GiNaC's numeric to Values
109 date: Wed Jan 16 23:45:17 CET 2008
111 - support computation of generating functions in barvinok_enumerate_e
112 - support polymake 2.3
113 - support GiNaC 1.3.8 and newer
114 - support summation using Bernoulli formula
115 - add and use zsolve from 4ti2 for computing Hilbert bases of cones
116 - support use of piplib for solving LPs
117 - add polyhedron_integer_hull and polytope_minimize
118 - add polytope_lattice_width for computing the lattice widths of polytopes
121 date: Tue Sep 11 22:02:22 CEST 2007
123 - add PolyLib and piplib as submodules
124 - remove compatibility with old versions of PolyLib and piplib
125 - support use of piplib for basis reduction
126 - support summation using local Euler-Maclaurin formula for 2D polytopes
127 - support TOPCOM based chamber decompositions
128 - simplify primal decomposition
131 date: Sat Jun 30 23:37:31 CEST 2007
133 - support exponential (Todd) substitution for non-parametric problems
134 - support primal and stopped decomposition on parametric problems
135 - support nested sums polynomial approximation of quasi-polynomials
136 - add barvinok_summate for summating a polynomial over a polytope
137 - speed improvements in barvinok_count and polyhedron_sample
140 date: Sat Apr 28 20:10:35 CEST 2007
142 - use arpg for argument parsing in most commands
144 support polynomial approximations of quasi-polynomials, including
145 volume computation, Meister's method and replacing fractional parts
147 - add barvinok_maximize for computing upper (and lower) bounds
148 - support non-parametric primal and stopped Barvinok decomposition
149 - periodic number representation now run-time configurable
150 - drop support for ancient PolyLib versions
151 - simplified partitioning of chamber complex
152 - add evalue_eval, an exact version of copmute_evalue
153 - improved handling of large generating functions
154 - integrate barvinok_series functionality into barvinok_enumerate
155 - support use of cdd for solving LPs in basis reduction
156 - initial support for computing bounds over quasi-polynomials
157 - recursive Bernstein expansion
158 - corrections and improvements of lexmin
159 - optionally print quasi-polynomial as list of polynomials
160 - add some documentation
163 date: Tue Oct 31 23:15:15 CET 2006
165 - include bernstein library with interface to barvinok and occ
167 - barvinok_count now only returns -1 for unbounded polyhedra with integer points
168 - preliminary implementation of projection via neighborhood complexes
169 - implement generalized basis reduction
170 - add polyhedron_sample
173 - some internal reorganization
174 - some gen_fun clean-ups and optimizations
175 - plug some memory leaks
176 - fix some corner cases
177 - shared libraries are no longer built by default
178 - introduce barvinok_options to pass to functions instead of just MaxRays
179 - use same LLL reduction parameter that LattE uses
180 - add some documentation
183 date: Thu Jun 22 20:49:11 CEST 2006
185 - add some documentation
186 - add barvinok_ehrhart
187 - add h_star_vector polymake client
188 - fix some corner cases
189 - more experimental support for enumerating unions of polytopes
190 - rename cdd2polylib.pl to latte2polylib.pl
193 date: Wed Feb 22 12:01:23 CET 2006
195 - fix PIP-based reduction by removing some code and assuming a recent PIP
196 - some memory leaks plugged
197 - optionally use Omega as a preprocessor in barvinok_enumerate_e
198 - integrate verif_ehrhart_e into barvinok_enumerate_e
199 - barvinok_series handles more problem with equalities
200 - add gen_fun::Hadamard_product
201 - experimental support for enumerating unions of polytopes
204 date: Fri Jan 20 22:14:44 CET 2006
206 - include Omega Calculator interface occ
207 - print_enode creates parameter names if none are provided
208 - only use PIP to project out some variables
209 - some header file fixes
213 date: Thu Sep 15 11:27:19 CEST 2005
215 - factor polyhedra into independent parts before enumeration
216 - make "random vector" specialization more robust
217 - speed up verif_ehrhart by only checking inside the context
218 - remove {Param,}Polyhedron_Reduce
219 - rename triangularize_cone to triangulate_cone
220 - generalize computation of lexmin/max using PIP
221 - compute the number of lexsmaller elements using PolyLib's LexSmaller
224 date: Mon Aug 1 12:23:50 CEST 2005
226 - fix some configuration problems
227 - include minimal polymake client
230 date: Thu Jun 30 12:10:29 CEST 2005
232 - implement "breadth-first" incremental specialization
233 - implement non-incremental version for series computation
234 - make non-incremental specialization the default again
235 - check for bad PolyLib version at runtime
236 - compiles on Windows (mingw32)
238 - allow crosscompilation
239 - compute the coefficients of an Ehrhart series
240 - fix conversion of PIP output to polyhedra
241 - allow direct verification of Ehrhart series
244 date: Sun Dec 12 23:00:40 CET 2004
246 - export Polyhedron_Project
247 - allow verification of step-functions computed from Ehrhart series
248 - optionally compute step-functions incrementally
249 - disable possibly incorrect optimization
250 - minor optimizations in Ehrhart series computations
253 date: Wed Nov 17 19:22:23 CET 2004
255 - use code for computing series to count non-parametric polytopes
256 - add conversion from series to explicit function
257 - fix removal of redundant equalities
260 date: Sat Oct 16 12:13:30 CEST 2004
262 - use slightly larger random numbers
263 - change basis to remove existential variable
264 - fix bug in reduction
265 - handle empty PIP solution
266 - add utility to remove equalities
269 date: Sun Oct 3 20:47:11 CEST 2004
271 - reduce memory requirements
273 - add patch for NTL 5.3.2
274 - experimental support for Ehrhart series
275 - compile fix on systems that lack <getopt.h>
278 date: Sat Sep 18 14:49:40 CEST 2004
281 - find and use PIP if available
282 - don't overallocate matrices on newer PolyLibs
283 - verification program for enumeration of integer projections
284 - summation of enumerations
286 - support older versions of GMP
289 date: Tue Jul 6 22:09:11 CEST 2004
291 - install header files
292 - modulo representation changed to fractionals
293 - perform some simplifications on the modulo representation
294 - barvinok_enumerate returns a malloc'ed evalue
295 - a few bugs in barvinok_enumerate_e removed
296 - optionally print an indication of the size of an enumeration
298 - bug in triangularization fixed
299 - bug in polyhedron reduction fixed
300 - verif_ehrhart.c should compile on C89 systems again
304 - bug in polyhedron reduction fixed
307 date: Sun Feb 22 21:15:00 CET 2004
309 - remove remaining part of Kristof's Ehrhart manipulation code
310 - optimize modulo expression based on validity domain
311 - support partition evalues
312 - factor out 1D polytopes
313 - validity domains can now be unions of polytopes
314 - optionally convert modulo representation to lookup-table
315 - rename indicator to relation
320 - support "indicator" evalues
321 - support equalities for modulo representation
325 - remove part of Kristof's Ehrhart manipulation code
326 - partial support for modulo representation
327 - support cvs version of PolyLib
330 date: Thu Nov 27 13:35:59 CET 2003
333 include code from Kristof Beyls for manipulating Ehrhart
336 implement barvinok_enumerate for constructing Ehrhart
337 polynomials using barvinok's algorithm
340 date: Thu Nov 6 01:36:25 CET 2003
343 allow specification of max #constraints
344 for those without automatically growing chernikova tables
345 - fix a few small bugs
346 - some minor optimizations
349 date: Mon Nov 3 16:35:57 CET 2003
351 - fix a number of bugs
355 date: Mon Oct 20 14:15:45 CEST 2003
357 - change name from count to barvinok_count
358 - return -1 if polyhedron is unbounded
359 - trivially optimize counting in presence of some independent constraints