Changelog

graph

• graphviz: use pdf instead of ps

fan

• check_fan: fix ray identification
• cone: fix incidences in some special cases
• HyperplaneArrangement: fix bugs for single cells

polytope

• MILP: allow non-rational coordinates

topaz

• unimodular: improvements, allow non-full-dimensional

tropical

• covectors: various fixes

Changelog

distribution

• improve compatibility with c++20

common

• unimodular: fix for non-full-dimensional cases

fan

• secondary_fan: fix corner cases

fulton

• Remove bogus ampleness rule

graph

• PhylogeneticTree: improve input checks

polytope

• smooth_vertices: new client
• DELZANT: new property
• billera_lee: fix corner cases

tropical

• Cone: refactoring and fixes for DOME, COVECTORs and PSEUDOVERTICES
• Polytope: fix vertices computation
• Hypersurface: fixes for monomials and binomials

Changelog

distribution

• perl:
  • support for perl 5.40
  • error for perl >= 5.42
• fix building with std=c++20 enabled

interfaces

• lrslib: fix building with 0.7.3
• normaliz: update to 3.10.3
• polydb: several fixes and improvements

fan

• secondary_fan: fix some corner cases

polytope

• project_full: fix for polyhedral complexes

tropical

• polytope_subdivision_as_complex: fix indices

Changelog

general

• some fixes for jupyter interface

fan

• fix min_weights for trivial subdivisions

graph

• rename Lattice to PartiallyOrderedSet
  • keeping compatibility aliases
• fixes for maximal_chains
• new client: maximal_ranked_poset

polytope

• improve order and chain polytope
• new clients: metric cone and metric polytope

topaz

• many Nevo-Santos-Wilson triangulated spheres:
  • new property CONSTRUCTIBILITY
  • new clients bistellar_d_sphere, bipyramidal_3_sphere
  • check of constructibility in many cases
• SimplicialComples: add SHIFTED property

tropical

• Hypersurface: add homogeneity checks

Changelog

distribution

• perl:
  • support for perl 5.38
  • error for perl >= 5.40

interfaces

• polydb:
  • new libmongoc interface to polydb (bundled:polydb)
  • perl-interface removed

fan

• check_fan:
  • several fixes, including for trivial fans
  • add unchecked version

matroid

• random_matroid: new client

polytope

• johnson solids: several small fixes
• chain_polytope: new client
• projection: major improvements and fixes
• order_polytope: new client
• volume: fixed for 0-dimensional polytopes

Changelog

interfaces

• topcom:
  • extend interface to access other combinations of connected, fine, and regular
  • support for topcom 1.x

fulton

• weighted_projective_space: fix rays computation

group

• action_functions: migrate some code to C++

polytope

• compress incidence: fix lineality dim for some trivial polytopes: oscar-system/Oscar.jl#2403
• TRIANGULATION: fix weights computation
• poly2{lp,mps}:
  • better handling of infeasible polytopes
  • improve compatibility with other parsers

Changelog

distribution

• perl: add error for unsupported Perl >= 5.37
  including upcoming perl 5.38
• compilers: add support for LLVM 15

interfaces

• libnormaliz: detect required libs for linking
• jreality: disable interface by default
  disable jogl for recent java versions

fulton

• markov_bases: add new client

polytope

• mps files: many fixes in parser and writer
• lp files: several fixes in file parser and writer
• solids: improve clients
• mixed_volume: bugfix

tropical

• tropical_median: various improvements

Changelog

general

• Various bugfixes

interfaces

• plantri: introduce interface to plantri for generation of planar graphs.
  https://users.cecs.anu.edu.au/~bdm/plantri/
• soplex: disable simplifier due to bug with rational post-solving
• libnormaliz: allow non-full-dimensional input for dual convex hull

graph

• PhylogeneticTree: add documentation and new functionality

ideal

• pluecker_ideal changed to c++ client
• pluecker_ideal_generators allows specifying desired coefficient type
• introduce pluecker_ideal(Matroid)

topaz

• multi_triangulation_sphere can now directly output the link of a face

tropical

• add tropical median

Changelog

distribution

• support for llvm+clang 14 and gcc 12
• support for perl 5.36

interfaces

• cdd: updated bundled version to 0.94m
• nauty: updated bundled version to 2.7r3
• normaliz: updated bundled version to 3.9.3
• scip: support version 8.0.0
• soplex: support version 6.0

common

• add disable_rules command
• threejs:
  • update version
  • depthWrite improvements

matroid

• ehrhart polynomial for matroid polytopes
• positroid: new rule
• split compatibility: bug fix
• ternary: bug fix in representation check

polytope

• convex_hull:
  • adjust labels to improve prefer behavior
  • increase weights for count rules
• conway: add CG construction
• johnson solids: fix J34 construction
• SlackIdeal: type migrated to application ideal

topaz

• minimal_non_faces:
  • bug fix for column number
  • adjust preconditions for better algorithm choice
• NON_REALIZABLE and GRASS_PLUCKER_CERTIFICATE for spheres (with holes)
• new client poincare_sphere

tropical

• voronoi_diagram: improve performance

Changelog

common

• better transparency for threejs visualization

polytope

• new function describe() for Polytope
• new function secondary_configuration()
• secondary_polytope() return type changed from PointConfiguration to Polytope
• improve contains function to solve smaller LPs
• improve conversion methods lp2poly and poly2lp

fan

• make k_skeleton and common_refinement work properly for PolyhedralComplex

topaz

• renamed link_complex->link_subcomplex, star->star_subcomplex
• VERTEX_INDICES for subcomplex constructions
• MINIMAL_NON_FACES type changed to IncidenceMatrix