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