Polymake 4.7

Release dates:

• 4.7: July 15th, 2022

– 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:
  1. update version
  2. depthWrite improvements

– matroid–

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

– polytope –

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

– topaz –

• minimal_non_faces:
  1. bug fix for column number
  2. 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