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CHANGELOG.md

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0.14.1 (2024-12-04)

  • Added support for parameters to Solver
  • Fixed error with inspect for MathOpt variables

0.14.0 (2024-10-22)

  • Added experimental support for MathOpt
  • Unified model building across solvers

0.13.1 (2024-10-05)

  • Added binary installation for Debian 12

0.13.0 (2024-09-17)

  • Updated OR-Tools to 9.11
  • Restored binary installation for Ubuntu 20.04
  • Dropped binary installation for CentOS 7
  • Removed dependency on csv gem

0.12.0 (2024-06-02)

  • Updated OR-Tools to 9.10
  • Added export_to_file method to CpModel
  • Added random_seed and random_seed= methods to SatParameters
  • Added binary installation for Ubuntu 24.04
  • Dropped binary installation for Ubuntu 20.04 and Debian 11 ARM
  • Dropped support for Ruby < 3.1

0.11.1 (2023-12-04)

  • Added binary installation for Arch Linux
  • Added binary installation for Debian 11 ARM

0.11.0 (2023-11-16)

  • Updated OR-Tools to 9.8
  • Dropped support for Ubuntu 18.04, Debian 10, and CentOS 8
  • Dropped support for Ruby < 3

0.10.1 (2023-03-20)

  • Added domain method to SatIntVar
  • Added add_linear_constraint and add_linear_expression_in_domain methods to CpModel

0.10.0 (2023-03-15)

  • Updated OR-Tools to 9.6

0.9.1 (2023-03-11)

  • Added solution_info to CpSolver

0.9.0 (2022-12-02)

  • Updated OR-Tools to 9.5
  • Added solve_from_assignment_with_parameters to RoutingModel
  • Improved inspect and to_s for expressions

0.8.2 (2022-11-05)

  • Added support for bool vars to add_hint
  • Added support for empty sums to CpModel

0.8.1 (2022-08-22)

  • Added binary installation for Ubuntu 22.04

0.8.0 (2022-08-21)

  • Updated OR-Tools to 9.4
  • Added binary installation for Mac ARM
  • Restored support for Debian 10
  • Dropped support for Ruby < 2.7

0.7.3 (2022-07-23)

  • Added more methods to RoutingModel and RoutingDimension

0.7.2 (2022-05-28)

  • Fixed library not loaded error on Mac

0.7.1 (2022-05-27)

  • Added support for time limit for Solver
  • Added enable_output and suppress_output to Solver
  • Improved new method for Solver
  • Fixed error with offset with Solver
  • Fixed segfault with CpSolver

0.7.0 (2022-03-23)

  • Updated OR-Tools to 9.3
  • Removed add_lin_min_equality (use add_min_equality instead)
  • Removed add_lin_max_equality (use add_max_equality instead)
  • Dropped support for Debian 10

0.6.3 (2022-03-13)

  • Reduced gem size

0.6.2 (2022-02-09)

  • Fixed segfaults with Solver

0.6.1 (2022-01-22)

  • Added installation instructions for Mac ARM
  • Removed dependency on lsb_release for binary installation on Linux

0.6.0 (2021-12-16)

  • Updated OR-Tools to 9.2
  • Renamed add_product_equality to add_multiplication_equality
  • Removed scale_objective_by

0.5.4 (2021-10-01)

  • Updated OR-Tools to 9.1
  • Added binary installation for Debian 11
  • Deprecated solve_with_solution_callback and search_for_all_solutions

0.5.3 (2021-08-02)

  • Added more methods to IntVar, IntervalVar, and Constraint
  • Added RoutingModelParameters

0.5.2 (2021-07-07)

  • Added export_model_as_lp_format and export_model_as_mps_format to Solver

0.5.1 (2021-05-23)

  • Updated to Rice 4

0.5.0 (2021-04-30)

  • Updated OR-Tools to 9.0
  • Added binary installation for CentOS 7
  • Added sufficient_assumptions_for_infeasibility to CpSolver

0.4.3 (2021-03-26)

  • Added add_assumption, add_assumptions, and clear_assumptions to CpModel
  • Added add_hint and clear_hints to CpModel
  • Added only_enforce_if to SatConstraint
  • Fixed installation for Debian

0.4.2 (2021-03-03)

  • Updated OR-Tools to 8.2

0.4.1 (2021-02-23)

  • Added solution printers
  • Improved inspect and to_s for CpModel
  • Improved constraint construction

0.4.0 (2021-01-14)

  • Updated OR-Tools to 8.1

0.3.4 (2021-01-14)

  • Added support for time limit for CpSolver
  • Added add_dimension_with_vehicle_transits and status methods to RoutingModel

0.3.3 (2020-10-12)

  • Added support for start and end points for routing

0.3.2 (2020-08-04)

  • Updated OR-Tools to 7.8
  • Added binary installation for Ubuntu 20.04

0.3.1 (2020-07-21)

  • Reduced gem size

0.3.0 (2020-07-21)

  • Updated OR-Tools to 7.7
  • Added BasicScheduler class
  • Added Seating class
  • Added TSP class
  • Added Sudoku class

0.2.0 (2020-05-22)

  • No longer need to download the OR-Tools C++ library separately on Mac, Ubuntu 18.04, Ubuntu 16.04, Debian 10, and CentOS 8

0.1.5 (2020-04-23)

  • Added support for OR-Tools 7.6

0.1.4 (2020-04-19)

  • Added support for the Job Shop Problem

0.1.3 (2020-03-24)

  • Added support for more routing problems
  • Added add_all_different to CpModel

0.1.2 (2020-02-18)

  • Added support for scheduling
  • Added lib_version method

0.1.1 (2020-02-16)

  • Added RoutingModel
  • Added LinearSumAssignment
  • Added Solver

0.1.0 (2020-02-12)

  • First release