Polymake 3.0r2

Release date July 22nd, 2016

Changelog

– distribution –

  • support for perl 5.24
  • support for gcc 6 (add no-delete-null-pointer-checks)
  • workaround for compile error under clang 3.8 / xcode 7.3
  • warn when neither bliss nor nauty are enabled
  • include nauty interface in minimal tarball

– general –

  • several small fixes in handling of subobjects and specializations
  • several other minor bugfixes

– fan –

  • fix in regularity client (thanks: Sebastian Gutsche)

– matroid –

  • fix in dual matroid client

– polytope –

  • fix for degenerate hypersimplices (thanks: Charles Wang)
  • fix in separating hyperplane client

Polymake 3.0r1

Release date January 25th, 2016

Changelog

– distribution –

  • fix incompatibility of the Integer type with libnormaliz on 32bit platforms
  • fix several other minor compilation issues

– general

  • fixes for the TikZ visualization of pointsets:
    1. for drawing PointConfigurations
    2. for drawing lattice points in polytopes
  • fixes in handling of nested Ring types

– polytope –

  • fixes in TOPCOM interface

Polymake 3.0

Release date January 18th, 2016

Changelog

– distribution –

  • support for libc++
  • better support for compiling on MacOS X
  • support compilation with C++11 enabled
  • fix for gcc-5.x
  • fix rare build issues
  • support for perl 5.22
  • fix build issue with gmp-6.1
  • fixes for build-reproducibility

– general –

  • significant improvement in rule scheduling
  • examples for various properties and clients:
    1. in online help
    2. in HTML documentation
    3. focused on application polytope
  • various bugfixes and improvements, especially in documentation and visualization
  • fixes and improvements in TAB-completion and F1-help
  • merge github pull 2 (fix -Werror=format-security issues)
  • fix jReality visualization on various Intel HD Graphics (updated jogl)
  • fix jReality startup issues

– common –

  • add new coordinate type PuiseuxFraction
  • new client for Hermite normal form
  • basic numerical linear algebra for double coordinates:
    1. new client for QR-decomposition
    2. new client for singular value decomposition
    3. better solving of linear systems with double coordinates
  • improvements for FacetList type
  • matrix element access now via →elem(,)

– fan –

  • new client planar_net, including visualization and flaps generation
  • new clients for dual fans of graph associahedra and manipulating tubings
  • new objects SubdivisionOfPoints and -Vectors:

- some refactoring of related properties

– group –

  • refactored orbit and group action
  • new client for generic orbit computations
  • improvements / fixes for linear symmetries computation

– matroid –

  • new client for rank of arbitrary sets
  • new client for minimum weight bases
  • new client for free extensions
  • new property transversal_presentation
  • new property splitting_flacets
  • fixed bug in check_basis_exchange_axiom

– polytope –

  • clients for all Johnson solids:
    1. with correct combinatorics
    2. many with exact QuadraticExtension or Rational coordinates
  • clients and wrappers for Platonic, Archimedean and Catalan solids
  • new client to count triangulations for 2-dim. point configurations (Alvarez,Seidel)
  • new client long_and_winding
  • new client goldfarb_sit
  • new client for lattice width
  • new client for decomposing a polytope into direct summands
  • LatticePolytope is now a specialization of Polytope instead of a separate type
  • renamed several integer programming related clients to fractional_
  • fixed some problems with Minkowski sum client
  • wythoff client now produces maximally symmetric polytopes whenever possible, i.e. except for G2
  • fixes for h^*-vector and Ehrhart polynomial computation

– topaz –

  • new client random_discrete_morse, used for improved heuristic sphere recognition
  • new header tools for dealing with posets (construction, homomorphisms, etc)
  • new properties UNIMODULAR and N_UNIMODULAR for GeomertricSimplicialComplex
  • renamed P_sum_triangulation client to sum_triangulation and improved functionality
  • new auxiliary clients for supporting sum-triangulations

– tropical –

  • Major refactoring:
    1. new object type Cycle, based on polyhedral complex
    2. templated hypersurface client for Min/Max
    3. renamed TropicalPolytope to Cone
  • added atint as a bundled extension for tropical intersection theory
  • added support for infinite coordinates
  • new client covector
  • new data type CovectorLattice
  • cleanup of obsolete functionality

– interfaces –

  • new interface to LP-solver SoPlex 2.2.0
  • update lrs to 6.0
  • update cdd to 094h
  • update nauty to 2.5r9
  • update libnormaliz to 3.0.90
  • update threejs to 73
  • singular:
    1. division of polynomials by ideals
    2. contains monomial test
    3. access to singular polynomials as matrix / vector pair
  • sympol:
    1. convex hull computation up to symmetry now supports ppl
  • improvements in TOPCOM interface
  • normaliz2 file based interface removed
news/release_3_0.txt · Last modified: 2016/07/22 13:52 by benmuell
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