Polymake 3.2

Release dates:

• 3.2: January 29th, 2018
  • r1: January 29th, 2018
  • r2: February 16th, 2018
  • r3: May 7th, 2018
  • r4: November 1st, 2018

– distribution –

• build system changed to ninja
• support gcc 7 and clang 5
• support for perl 5.26 and blead up to 5.27.7
• tutorials available as jupyter notebooks
• [r2] several improvements for polymake-in-container
• [r2] preliminary support for clang 6 and gcc 8
• [r2] improvements in java build/install process
• [r2] improve callable library file structure
• [r2] include INSTALL and COPYING in tarball again
• [r3] support for boost 1.67
• [r3] support for java 10
• [r3] better support for Mac OS X package managers:
  • support for brew
  • fink is no longer assumed by default
• [r4] fix order in config.ninja for reproducibility

– interfaces –

• new python interface to callable library (thanks Sebastian Gutsche)
  • [r1] fix installation for python3 older than 3.5
  • [r2+r3] improve support for OS X
• new jupyter-kernel interface (thanks Sebastian Gutsche)
  • threejs visualization now working again in jupyter
• libnormaliz:
  • update bundled version to 3.5.0
  • support preexisting installation (version >= 3.1.0)
• cdd and lrs: support debugging output
• lrs: fix segfault with non-quiet lrslib
• ppl: requires version >= 1.2
• soplex: requires version >= 2.2.1
• callable library: major improvements for emulating command line
• [r3] visualization: default to threejs if jreality is disabled
• [r4] support for lrslib 070

– general –

• fixes and improvements for various visualization methods

– common –

• many improvements in polyDB interface including new database format
• new substitute method for polynomials
• replace rgb.txt by perl optional module Graphics::ColorNames
  • polymake includes a short list of fallback colors now
• induced group actions on arbitrary containers

– fan –

• rename SymmetricFan to PolyhedralFan and incorporate SymmetricFan's properties there
• fixes in regularity checks
• new property PSEUDO_REGULAR

– graph –

• several fixes for props::Graph
• [r4] fix edge number of permuted graphs

– group –

• fixes for linear_symmetries
• improved support of matrix group actions
• rename MATRIX_GROUP_ACTION and MatrixGroupAction to MATRIX_ACTION and matrix_action, respectively

– polytope –

• fixed parser for LP file format
• new property MAHLER_VOLUME for Polytope
• new client for reduced 3-polytopes
• user method Polytope::VISUAL now takes Transformation and Offset as optional arguments
• zero vectors in input properties throw an exception
• major refactoring of VoronoiDiagram
• groups added to several basic constructions
• improved support for root systems
• beneath_beyond support for non-full-dim / non-pointed cases
• [r4] vertex_figure: correct intermediate LP
• [r4] BOUNDED_COMPLEX: correct ADJACENCY
• [r4] normaliz interface: two minor fixes
• [r4] Cone-VISUAL: fix incidences
• [r4] tensor: dont compare example output (order depends on cdd version)

– topaz –

• new big object type HyperbolicSurface
  • encoded via a doubly connected edge list

– tropical –

• tropical double description method
• feasibility check for tropical linear inequality systems
• several improvements to and refactoring of basic clients