1version: 0.41.5
2date: Sat 01 May 2021 12:50:27 PM CEST
3changes:
4    - support recent versions of clang
5    - fix minor bug involving implicit equality constraints
6---
7version: 0.41.4
8date: Sun 01 Nov 2020 03:46:32 PM CET
9changes:
10    - support recent versions of clang
11---
12version: 0.41.3
13date: Wed Nov 13 11:37:55 CET 2019
14changes:
15    - support more recent versions of NTL
16---
17version: 0.41.2
18date: Thu Mar 28 18:33:44 CET 2019
19changes:
20    - update isl
21---
22version: 0.41.1
23date: Mon Jul 30 22:57:00 CEST 2018
24changes:
25    - add LICENSE file to distribution
26    - update isl
27---
28version: 0.41
29date: Tue Mar  6 21:23:21 CET 2018
30changes:
31    - drop support for applying "codegen" to a set from iscc
32---
33version: 0.40
34date: Thu Feb 23 10:03:21 CET 2017
35changes:
36    - minor bug fixes
37---
38version: 0.39
39date: Fri Jan 15 09:20:30 CET 2016
40changes:
41    - support more recent versions of NTL
42    - support more operations in iscc
43---
44version: 0.38
45date: Tue Jun 16 12:36:25 CEST 2015
46changes:
47    - support more recent versions of GLPK
48    - support schedule trees in iscc
49    - minor bug fixes
50---
51version: 0.37
52date: Mon Apr 14 11:22:44 CEST 2014
53changes:
54    - support NTL 6.0.0
55    - integrate isl-polylib submodule
56    - minor bug fixes
57---
58version: 0.36
59date: Mon Dec  3 09:34:27 CET 2012
60changes:
61    - support fixed power operation in iscc
62    - use isl for codegen operation in iscc
63    - drop cloog submodule
64---
65version: 0.35
66date: Sun Dec 18 10:49:36 CET 2011
67changes:
68    - add pet submodule
69    - drop omega submodule
70    - preliminary Python bindings
71---
72version: 0.34
73date: Thu Jul 14 12:31:21 CEST 2011
74changes:
75    - add cloog submodule
76    - change license to GPLv2+ (from GPLv2)
77---
78version: 0.33
79date: Fri Mar 18 17:35:10 CET 2011
80changes:
81    - add isl_set_apply_pw_qpolynomial
82    - drop piplib submodule
83    - barvinok_bound and barvinok_summate now accept input in isl notation
84    - use isl for more operations
85    - improved iscc
86---
87version: 0.32.1
88date: Mon Sep 13 11:38:47 CEST 2010
89changes:
90    - fix parameter alignment in iscc
91---
92version: 0.32
93date: Fri Sep 10 14:58:48 CEST 2010
94changes:
95    - support named and nested spaces
96    - support union sets and maps
97    - add isl_map_apply_pw_qpolynomial
98    - use union sets and maps in iscc
99    - support codegen operation in iscc if CLooG is available
100---
101version: 0.31
102date: Tue Jun 29 13:18:52 CEST 2010
103changes:
104    - use isl for argument parsing
105    - minor compilation fixes
106    - drop bernstein library in favor of isl implementation
107    - drop Omega calculator
108    - the Omega submodule is no longer compiled by default
109    - improved isl based calculator
110    - drop barvinok_enumerate_pip_with_options
111---
112version: 0.30
113date: Wed Mar 10 18:10:33 CET 2010
114changes:
115    - add isl interface and new isl based calculator
116    - barvinok_enumerate now returns NaN on infinite problems
117    - minor compilation and bug fixes
118    - support newer versions of TOPCOM
119---
120version: 0.29
121date: Wed Jul 22 15:14:01 CEST 2009
122changes:
123    - new version of Laurent expansion based exact summation
124    - minor compilation and bug fixes
125    - add semigroup_holes application
126    - add vector_partition_chambers application
127---
128version: 0.28
129date: Thu Oct 16 21:56:01 CEST 2008
130changes:
131    - add omega as submodule
132    - minor compilation and bug fixes
133---
134version: 0.27
135date: Sun May  4 23:42:49 CEST 2008
136changes:
137    - add Parker's library for DFA based counting
138    - support nested sums based exact summation
139    - support Laurent expansion based exact summation
140    - handle equalities and factors in summation
141    - support range propagation for computing bounds
142    - support computation of exact bound through iteration
143    - fix conversion from GiNaC's numeric to Values
144---
145version: 0.26
146date: Wed Jan 16 23:45:17 CET 2008
147changes:
148    - support computation of generating functions in barvinok_enumerate_e
149    - support polymake 2.3
150    - support GiNaC 1.3.8 and newer
151    - support summation using Bernoulli formula
152    - add and use zsolve from 4ti2 for computing Hilbert bases of cones
153    - support use of piplib for solving LPs
154    - add polyhedron_integer_hull and polytope_minimize
155    - add polytope_lattice_width for computing the lattice widths of polytopes
156---
157version: 0.25
158date: Tue Sep 11 22:02:22 CEST 2007
159changes:
160    - add PolyLib and piplib as submodules
161    - remove compatibility with old versions of PolyLib and piplib
162    - support use of piplib for basis reduction
163    - support summation using local Euler-Maclaurin formula for 2D polytopes
164    - support TOPCOM based chamber decompositions
165    - simplify primal decomposition
166---
167version: 0.24
168date: Sat Jun 30 23:37:31 CEST 2007
169changes:
170    - support exponential (Todd) substitution for non-parametric problems
171    - support primal and stopped decomposition on parametric problems
172    - support nested sums polynomial approximation of quasi-polynomials
173    - add barvinok_summate for summating a polynomial over a polytope
174    - speed improvements in barvinok_count and polyhedron_sample
175---
176version: 0.23
177date: Sat Apr 28 20:10:35 CEST 2007
178changes:
179    - use arpg for argument parsing in most commands
180    - |-
181      support polynomial approximations of quasi-polynomials, including
182      volume computation, Meister's method and replacing fractional parts
183      by constants
184    - add barvinok_maximize for computing upper (and lower) bounds
185    - support non-parametric primal and stopped Barvinok decomposition
186    - periodic number representation now run-time configurable
187    - drop support for ancient PolyLib versions
188    - simplified partitioning of chamber complex
189    - add evalue_eval, an exact version of copmute_evalue
190    - improved handling of large generating functions
191    - integrate barvinok_series functionality into barvinok_enumerate
192    - support use of cdd for solving LPs in basis reduction
193    - initial support for computing bounds over quasi-polynomials
194    - recursive Bernstein expansion
195    - corrections and improvements of lexmin
196    - optionally print quasi-polynomial as list of polynomials
197    - add some documentation
198---
199version: 0.22
200date: Tue Oct 31 23:15:15 CET 2006
201changes:
202    - include bernstein library with interface to barvinok and occ
203    - some occ clean-ups
204    - barvinok_count now only returns -1 for unbounded polyhedra with integer points
205    - preliminary implementation of projection via neighborhood complexes
206    - implement generalized basis reduction
207    - add polyhedron_sample
208    - add polytope_scan
209    - add lexmin
210    - some internal reorganization
211    - some gen_fun clean-ups and optimizations
212    - plug some memory leaks
213    - fix some corner cases
214    - shared libraries are no longer built by default
215    - introduce barvinok_options to pass to functions instead of just MaxRays
216    - use same LLL reduction parameter that LattE uses
217    - add some documentation
218---
219version: 0.21
220date: Thu Jun 22 20:49:11 CEST 2006
221changes:
222    - add some documentation
223    - add barvinok_ehrhart
224    - add h_star_vector polymake client
225    - fix some corner cases
226    - more experimental support for enumerating unions of polytopes
227    - rename cdd2polylib.pl to latte2polylib.pl
228---
229version: 0.20
230date: Wed Feb 22 12:01:23 CET 2006
231changes:
232    - fix PIP-based reduction by removing some code and assuming a recent PIP
233    - some memory leaks plugged
234    - optionally use Omega as a preprocessor in barvinok_enumerate_e
235    - integrate verif_ehrhart_e into barvinok_enumerate_e
236    - barvinok_series handles more problem with equalities
237    - add gen_fun::Hadamard_product
238    - experimental support for enumerating unions of polytopes
239---
240version: 0.19
241date: Fri Jan 20 22:14:44 CET 2006
242changes:
243    - include Omega Calculator interface occ
244    - print_enode creates parameter names if none are provided
245    - only use PIP to project out some variables
246    - some header file fixes
247    - C89 fixes again
248---
249version: 0.18
250date: Thu Sep 15 11:27:19 CEST 2005
251changes:
252    - factor polyhedra into independent parts before enumeration
253    - make "random vector" specialization more robust
254    - speed up verif_ehrhart by only checking inside the context
255    - remove {Param,}Polyhedron_Reduce
256    - rename triangularize_cone to triangulate_cone
257    - generalize computation of lexmin/max using PIP
258    - compute the number of lexsmaller elements using PolyLib's LexSmaller
259---
260version: 0.17
261date: Mon Aug  1 12:23:50 CEST 2005
262changes:
263    - fix some configuration problems
264    - include minimal polymake client
265---
266version: 0.16
267date: Thu Jun 30 12:10:29 CEST 2005
268changes:
269    - implement "breadth-first" incremental specialization
270    - implement non-incremental version for series computation
271    - make non-incremental specialization the default again
272    - check for bad PolyLib version at runtime
273    - compiles on Windows (mingw32)
274    - add version option
275    - allow crosscompilation
276    - compute the coefficients of an Ehrhart series
277    - fix conversion of PIP output to polyhedra
278    - allow direct verification of Ehrhart series
279---
280version: 0.15
281date: Sun Dec 12 23:00:40 CET 2004
282changes:
283    - export Polyhedron_Project
284    - allow verification of step-functions computed from Ehrhart series
285    - optionally compute step-functions incrementally
286    - disable possibly incorrect optimization
287    - minor optimizations in Ehrhart series computations
288---
289version: 0.14
290date: Wed Nov 17 19:22:23 CET 2004
291changes:
292    - use code for computing series to count non-parametric polytopes
293    - add conversion from series to explicit function
294    - fix removal of redundant equalities
295---
296version: 0.13
297date: Sat Oct 16 12:13:30 CEST 2004
298changes:
299    - use slightly larger random numbers
300    - change basis to remove existential variable
301    - fix bug in reduction
302    - handle empty PIP solution
303    - add utility to remove equalities
304---
305version: 0.12
306date: Sun Oct  3 20:47:11 CEST 2004
307changes:
308    - reduce memory requirements
309    - add cdd2polylib.pl
310    - add patch for NTL 5.3.2
311    - experimental support for Ehrhart series
312    - compile fix on systems that lack <getopt.h>
313---
314version: 0.11
315date: Sat Sep 18 14:49:40 CEST 2004
316changes:
317    - fix minor bugs
318    - find and use PIP if available
319    - don't overallocate matrices on newer PolyLibs
320    - verification program for enumeration of integer projections
321    - summation of enumerations
322    - avoid gccisms
323    - support older versions of GMP
324---
325version: 0.10
326date: Tue Jul  6 22:09:11 CEST 2004
327changes:
328    - install header files
329    - modulo representation changed to fractionals
330    - perform some simplifications on the modulo representation
331    - barvinok_enumerate returns a malloc'ed evalue
332    - a few bugs in barvinok_enumerate_e removed
333    - optionally print an indication of the size of an enumeration
334    - emask added
335    - bug in triangularization fixed
336    - bug in polyhedron reduction fixed
337    - verif_ehrhart.c should compile on C89 systems again
338---
339version: 0.09
340changes:
341    - bug in polyhedron reduction fixed
342---
343version: 0.08
344date: Sun Feb 22 21:15:00 CET 2004
345changes:
346    - remove remaining part of Kristof's Ehrhart manipulation code
347    - optimize modulo expression based on validity domain
348    - support partition evalues
349    - factor out 1D polytopes
350    - validity domains can now be unions of polytopes
351    - optionally convert modulo representation to lookup-table
352    - rename indicator to relation
353    - add DomainIncludes
354---
355version: 0.07
356changes:
357    - support "indicator" evalues
358    - support equalities for modulo representation
359---
360version: 0.06
361changes:
362    - remove part of Kristof's Ehrhart manipulation code
363    - partial support for modulo representation
364    - support cvs version of PolyLib
365---
366version: 0.05
367date: Thu Nov 27 13:35:59 CET 2003
368changes:
369    - |-
370      include code from Kristof Beyls for manipulating Ehrhart
371      polynomials
372    - |-
373      implement barvinok_enumerate for constructing Ehrhart
374      polynomials using barvinok's algorithm
375---
376version: 0.04
377date: Thu Nov  6 01:36:25 CET 2003
378changes:
379    - |-
380      allow specification of max #constraints
381      for those without automatically growing chernikova tables
382    - fix a few small bugs
383    - some minor optimizations
384---
385version: 0.03
386date: Mon Nov  3 16:35:57 CET 2003
387changes:
388    - fix a number of bugs
389    - add tests
390---
391version: 0.02
392date: Mon Oct 20 14:15:45 CEST 2003
393changes:
394    - change name from count to barvinok_count
395    - return -1 if polyhedron is unbounded
396    - trivially optimize counting in presence of some independent constraints
397