Recent Releases of TSP

TSP - TSP 1.2-5

TSP 1.2-5 (05/27/2025)

  • Changed Package description title.
  • Bugfix: ETSP write issue for method Concorde. parameter precision is now used correctly (reported by: malipivo)

TSP 1.2-4 (04/03/2023)

  • removed dependency on maptools.

TSP 1.2-3 (03/08/2023)

New Features

  • plot for ETSP gained parameter labels to plot city labels.

Bug Fixes

  • register S3 method nofcities.default

TSP 1.2-2 (01/24/2023)

Bug Fixes

  • Fixed bool definition for C23.

- R
Published by mhahsler 9 months ago

TSP -

TSP 1.2-1 (07/14/2022)

Changes

  • added filterATSPasTSPdummies().
  • tour_length() now also accepts integer vectors instead of TOUR.

Bugfix

  • Small integer values are now left unscaled for Concorde.

TSP 1.2-0 (02/21/2022)

Changes

  • The package uses now roxygen.
  • C code has now long vector support for dist.

- R
Published by mhahsler over 3 years ago

TSP -

Bugfixes

  • cut_tour: fixed dropped city for multiple cut points (reported by RegularnaMatrica)

- R
Published by mhahsler over 4 years ago

TSP -

Bugfixes

  • Fixed Linkern file management on Windows.
  • Converting distances that only contain 0 and Inf (e.g., from an adjacency matrix) is now fixed for Concorde and Linkern.
  • Reduced the maximum integer for Concorde to avoid overflows (reported by sarwanpasha).

- R
Published by mhahsler almost 6 years ago

TSP -

New Feature

  • solveTSP for ATSP gained parameter asTSP to solve the ATSP reformulated as a TSP.
  • Concorde and linkern can now solve ATSP using a reformulation as a TSP.
  • cut_tour can now cut a tour into multiple paths.

- R
Published by mhahsler about 6 years ago

TSP -

Bugfixes

  • concorde_path now normalizes the path (translates . and ~).
  • reformulateATSPas_TSP now keeps the method attribute (i.e., used distance measure)
  • TSP and ATSP gained parameter method to store the name of the used distance metric.
  • Fixed readTSPLIB for EDGEWEIGHTFORMAT of LOWERROW, LOWERDIAGROW, UPPERCOL and UPPERDIAG_COL (reported by klukac).

- R
Published by mhahsler almost 7 years ago

TSP -

Bugfixes

  • Start for insertion algorithms is now coerced to integer.
  • Fixed problem with TSP with 1 city on Win 32 on R 3.5.0.

- R
Published by mhahsler almost 8 years ago

TSP - TSP 1.1-5 (02/21/2017)

  • fixed TSP labels.
  • fixed tour_length for ETSP and added tests.

- R
Published by mhahsler about 9 years ago

TSP - CRAN Release 1.1-4

Changes in version 1.1-4 (2/21/2016) - fixed bug in arbitrary insertion for TSPs with two or less cities (bug report by Shrinidhee Shevade). - concorde and linkern help: exe argument was removed. The exe control argument for both methods in solveTSP is now deprecated. Use concordepath(path) instead. - concorde and linkern gained a control argument verbose to suppress the output.

- R
Published by mhahsler about 10 years ago