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