Digraphs 1.15.0

What's Changed

• kernel: fix issues with assumptions in IS_ACYCLIC_DIGRAPH by @james-d-mitchell in #901
• Update codecov by @Joseph-Edwards in #903
• Improve the documentation of the Digraph encoding formats by @anujthak in #897
• Implement IsCograph with bug fixes by @frankiegillis in #904
• Add unitedgeweight digraph by @coraaked in #886
• Edge weights #7: DotEdgeWeightedDigraph by @mtorpey in #892
• Implementing Colour Refinement by @RheyaM in #905
• attr.gi code coverage by @mtorpey in #919
• Digraph decode/encode by @anujthak in #912
• Cliques coverage by @mtorpey in #923
• Correct Mutability of LineDigraph by @mtorpey in #926
• CI: use configflags instead of CONFIGFLAGS by @fingolfin in #925
• Tests for AsSemigroup with 4 arguments by @mtorpey in #927
• grahom.gi test coverage by @mtorpey in #928
• Update pdflatex command for nonstop mode by @james-d-mitchell in #933
• Update my details in PackageInfo.g by @reiniscirpons in #935
• build: support EAPS 5 by @jengelh in #937

New Contributors

• @anujthak made their first contribution in
  #897

Full Changelog: v1.14.0...v1.15.0

Digraphs 1.14.0

What's Changed

• Fix some little things in the manual, etc by @wilfwilson in #855
• Re-standardise on function arguments named D, as opposed to digraph by @wilfwilson in #868
• Remove support for GAP 4.10 by @wilfwilson in #866
• Abstract RandomDigraphCons redirect methods by @mtorpey in #871
• Add SwapDigraphs and DigraphsRemoveAllEdges functions by @RheyaM in #864
• CI: stop the codecov step from failing the job on Windows, since it is buggy by @wilfwilson in #875
• ViewString for edge weights by @ap4108735 in #873
• Fix dotdigraph doc #759 by @coraaked in #880
• Implemented ^ operator for digraphs to delegate to OnDigraphs (issue #580) by @devansh2605 in #876
• Added DigraphMinimumCutSet by @frankiegillis in #879

New Contributors

• @RheyaM made their first contribution in #864
• @ap4108735 made their first contribution in #873
• @coraaked made their first contribution in #880
• @devansh2605 made their first contribution in #876

Full Changelog: v1.13.1...v1.14.0

Digraphs 1.13.1

This is a minor release of the Digraphs package, containing one bugfix:

In PR #852, @wilfwilson fixed a bug that could result in an incorrect result being given for the AutomorphismGroup of a digraph created by the CompleteBipartiteDigraph operation. This bug was reported by Bojan Kuzma (@bojankuzma000) in Issue #850.

Full Changelog: v1.13.0...v1.13.1

Digraphs 1.13.0

What's Changed

• @jengelh added support for version 4 of the Edge Addition Planarity Suite in PR #766. Version 4 is now the version that is vendored with the Digraphs package.
• @frankiegillis improved the performance of IsTwoEdgeTransitive in PR #739, and added Is2EdgeTransitive as a synonym for this property.
• Wilf A. Wilson restored compatibility with GAP 4.10 in PR #846.

New Contributors

• Jan Engelhardt (@jengelh) made their first contribution in PR #766.

Full Changelog: v1.12.2...v1.13.0

Digraphs 1.12.2

This is a minor release of the Digraphs package, containing various technical changes and one bugfix.

What's Changed

• @wilfwilson fixed some problems with TCodeDecoder in PR #840.

Full Changelog: v1.12.1...v1.12.2

Digraphs 1.12.1

What's Changed

• @wilfwilson fixed a bug in an ImmediateMethod for IsConnectedDigraph in PR #819.
• @wilfwilson fixed a bug in CirculantGraph in PR #820 (reported by Grahame Erskine, aka @grahamee).

Full Changelog: v1.12.0...v1.12.1

Digraphs 1.12.0

What's Changed

• @wilfwilson added IsDirectedForest in PR #794.

Full Changelog: v1.11.0...v1.12.0

Digraphs 1.11.0

What's Changed

• @frankiegillis added IsTwoEdgeTransitive in PR #733.
• @flsmith made RandomDigraph more random in PR #738.
• @james-d-mitchell added BurntPancakeGraph and BurntPancakeGraph in PR #403.
• @james-d-mitchell added a new optional first argument for mutability in CayleyDigraph in PR #403.
• @MeikeWeiss added MinimalCyclicEdgeCut in PR #754.
• @MeikeWeiss added DigraphAllChordlessCyclesOfMaximalLength in PR #754.
• @hrj4 added DigraphKings and DigraphIsKing in PR #521.
• @wilfwilson improved ViewString for digraphs in PR #783.
• @EwanGilligan implemented Zykov's and Christofides's algorithms and made them available as options for ChromaticNumber in PR #491.
• @ChrisJefferson sped up OnDigraphs for a digraph and a permutation in PR #267.
• @RaiyanC added DigraphMaximumFlow in PR #751.
• @RaiyanC added RandomUniqueEdgeWeightedDigraph PR #755.
• @pramothragavan added dreadnaut support in PR #651, along with the variables WholeFileEncoders and WholeFileDecoders, and the the functions:
  • IsWholeFileEncoder,
  • IsWholeFileDecoder,
  • DreadnautString,
  • DigraphFromDreadnautString,
  • DIMACSString, and
  • DigraphFromDIMACSString.

New Contributors

• @hrj4 made their first contribution in PR #521.
• @pramothragavan made their first contribution in PR #651.
• @BlueRidingHood made their first contribution in PR #706.
• @BaseMax made their first contribution in PR #749.

Full Changelog: v1.10.1...v1.11.0

Digraphs 1.10.1

This is a minor release containing various small technical adjustments, and the following bugfix and improvement:

What's Changed

• @wilfwilson fixed an bug in ArticulationPoints in PR #779.
• @wilfwilson added an appendix to the manual that describes the DIMACS format in PR #775.

Full Changelog: v1.10.0...v1.10.1

1.10.0

What's Changed

• Added copy in DigraphAllChordlessCycles by @MeikeWeiss in #702
• build(deps): bump mamba-org/setup-micromamba from 1 to 2 by @dependabot in #705
• Attempt to fix the cpplint ci job by @james-d-mitchell in #712
• Fix issue 704 by @james-d-mitchell in #709
• Implementation of facial walks and dual graphs by @MeikeWeiss in #713
• Added IsOrderFilter by @zljlzljlz in #707
• Remove references to non-existing gap/doc.g by @fingolfin in #716
• Simplify kernel extension code setting up StructInitInfo by @fingolfin in #718
• Update codespell ignored words by @Joseph-Edwards in #720
• Update old urls by @forktree in #719
• Edge weights #4: shortest path(s) by @mtorpey in #656
• weights: tweak whitespace by @mtorpey in #722
• Fix line lengths for gaplint v1.4 by @james-d-mitchell in #724
• Add git-stable-4.14 to ci by @frankiegillis in #729

New Contributors

• @zljlzljlz made their first contribution in #707
• @forktree made their first contribution in #719
• @frankiegillis made their first contribution in #729

Full Changelog: v1.9.0...v1.10.0