====== 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


==== Changelog ====

-- 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