Scippy

GCG

Branch-and-Price & Column Generation for Everyone

Release notes for GCG 0.9

GCG 0.9

features

  • included new heuristics
  • included new reader for the ref file format
  • added support for linking variables
  • added generalized reliability branching using probing
  • added constraint handler to enforce integral original variables
  • allow for unbounded pricing problems
  • branch also on pseudosolutions
  • support probing for heuristics
  • GCG works with SCIP version 2.0

bug fixes

  • fixed multiple bugs related to timing issues
  • fixed bugs related to working with the presolved problem

interface

  • allow master to be accessed from the command line interface
  • Change branding in interactive SHELL, display version and githash
  • added more extensive test framework
  • added gnuplot visualization reader
  • added much more extensive documentation