news:release_4_1

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news:release_4_1 [2020/06/15 11:43] (current)
benmuell prepare for 4.1
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 +====== Polymake 4.1 ======
 +
 +Release dates: ​
 +  * 4.1: June 15th, 2020
 +
 +==== Changelog ====
 +
 +-- general --
 +  * Big object types and property types must have unique name within any application namespace
 +
 +-- distribution --
 +  * add warning flags for clang 10 and gcc 10
 +  * adaptions for upcoming perl 5.32
 +
 +-- interfaces --
 +  * flint:
 +    - required by default but can be disabled explicitly
 +    - used for normalization of QuadraticExtension
 +    - attach prime factorization as '​factor'​ and '​expand'​
 +  * gmp:
 +    - support for gmp 6.2
 +  * normaliz: update bundled version to 3.8.5
 +  * lrslib: update to 7.1
 +
 +-- common --
 +  * property type Graph renamed to GraphAdjacency on perl side, corresponding C++ class is still called Graph
 +  * QuadraticExtension can now be normalized if polymake was built with flint
 +
 +-- graph --
 +  * Add rand_spanningtree returning a random spanning tree
 +  * Change output of all_spanningtrees to include a dictionary translating indices into edges
 +
 +-- group --
 +  * more and improved examples
 +
 +-- fan --
 +  * HyperplaneArrangement:​
 +    - is now derived from polytope::​VectorConfiguration
 +    - AMBIENT_DIM got renamed to HYPERPLANE_AMBIENT_DIM
 +    - Compute CELL_DECOMPOSITION via reverse search in C++
 +    - add visualization
 +  * SubdivisionOfPoints:​ new property UNIMODULAR
 +  * secondary_fan:​ fixes for points not in general position
 +
 +-- polytope --
 +  * Add method rand_normal for n random points from the unit ball
 +  * Fix bugs in reverse_search_graph,​ renamed to simple_polytope_vertices_rs
 +  * lp2poly: various improvements for integer variables
 +
 +-- tropical --
 +  * big object type RationalFunction tentatively renamed to TropicalRationalFunction,​ pending further refactoring
 +  * homology algorithm for patchworked hypersurface works with possibly non-regular triangulation as input
  
  • news/release_4_1.txt
  • Last modified: 2020/06/15 11:43
  • by benmuell