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Releases: gap-packages/orb

v3.2

25 Feb 19:20
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  • Fixed incompatibility with fr package, FLOATs again!

v3.1

25 Feb 19:21
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  • Fixed bug in HTAdd (calling AddHT).
  • Major reorganisation of product replacers (accelerator, multiple accus)
  • AddGeneratorToProductReplacer new
  • added AVLIndexFind
  • allow automatic growing of tree hash tables
  • change fallback for ChooseHashFunction to return 1 function

v3.0

25 Feb 19:21
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  • Fixed some bugs for hash functions for compressed vectors/matrices.
  • Fixed a bug in the depth and depthmarks of orbits
  • Improved MakeSchreierTreeShallow for great depths
  • New implementation of AVL trees.
  • C-part to speed up AVL trees and hash tables.
  • New interface to hash functionality.
  • New tree hash tables.
  • C-port to speed up tree hash tables.
  • New generic hash function in particular for compressed vectors/mats.
  • ORB_EstimateOrbitSize using birthday paradox.
  • Fix normalin component for product replacer objects.
  • Various fixes and improvements of orbit-by-suborbit stuff.
  • New HISTORY file for release history.

v2.0

25 Feb 19:21
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  • Variant of "rattle" for random elements in normal closure.
  • Fixed 64bit issue for hash functions for compressed vectors.
  • Make compatible to GAP 4.4 again
  • New chapter as a worked out example of OrbitBySuborbit technology
  • Update of documentation to code
  • Sort out licensing business
  • Clean up examples directory
  • Added Co1 example to documentation
  • Added M11 example to documentation
  • Added Fi23 example to documentation
  • Use new "cheap" option of SmallerDegreePermutationRepresentation
  • Release revision 211 as version 2.0

v1.5

25 Feb 19:22
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  • Fixed documentation of ActionOnOrbit.
  • New FindSuborbits methods and OrbitIntersectionMatrix to compute
    condensed permutation modules in smaller cases.
  • Improved methods for Intersection2 and IntersectSet for hash
    orbits and perm on int orbits.
  • Made FindShortGeneratorsOfSubgroup an operation.
  • Methods for intersections of orbits.
  • Fixed bug in the unpickling of caches.
  • Fixed case of one generator in product replacers.
  • Take out Randomize methods for gf2 and 8bit vectors and matrices.
    They will reappear in GAP >= 4.5.
  • New method for finding transversals in matrix groups.
  • Use "Rattle" in product replacers (can be switched off)
  • Release revision 149 as version 1.5, which is intended to be
    a preliminary version without proper documentation.

v1.4

25 Feb 19:22
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  • Picklers for orbits, caches, orbits-by-suborbits and other stuff.
  • Action on subspaces for orbits-by-suborbits.
  • Fixed bug in \in method for permutations on integer orbits.
  • Picklers for product replacer objects and random searcher objects.
  • Release revision 129 as version 1.4

v1.3

25 Feb 19:22
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  • random sources are now in the library, thus, orb will only work
    with GAP >= 4.4.8 and GAP.dev from now on
  • Moved realrandom.* to the IO package.
  • OrbitBySuborbitKnownSize
  • lots of small changes, forgot to take notes