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