Changes between Version 31 and Version 32 of Ticket #20302
- Timestamp:
- 04/06/16 17:02:35 (6 years ago)
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Ticket #20302 – Description
v31 v32 17 17 18 18 Improvements to backends: 19 - #18685: Add basis status functions `get_col_stat`, `get_row_stat` to GLPK backend 20 - #18732: Add tableau query functions `glp_eval_tab_row`, `glp_eval_tab_col` to GLPK backend 21 - #18763: COIN backend should support basis status and tableau data functions 22 - #18838: GLPK backend does not detect unboundedness in simplex-only mode 23 - #18764: Add `glp_exact` to Sage's GLPK bindings 24 - #19471: COIN backend: More basis status and tableau data functions 25 - #19472: GLPK backend: More basis status and tableau data functions 19 26 - #20303: Fixes for `add_variables` in CVXOPT, PPL, GLPK MIP backends and `add_linear_constraints` in CVXOPT 20 27 - #19525: enhancement: Improve GLPK error handling … … 46 53 - #10879: add optional SCIP integer constraint solver (dup: #8672) 47 54 - #18766: Add bindings, `MixedIntegerLinearProgram` backend to qsopt_ex, a state-of-the-art exact simplex solver 55 - #18765: Add Cython wrappers for GLPK's interface glpssx.h (exact rational simplex) 48 56 49 57 Interactions with `InteractiveLinearProgram` and its dictionaries: 58 - #19097: Refactor run_[revised]_simplex_method; add run_dual_[revised]_simplex_method 59 - #18742: interactive_simplex_method: Support several styles corresponding to major textbooks 60 - #18852: interactive_simplex_method: Enable typesetting of run_simplex_method in SageMathCloud 50 61 - #18734: Construct an `interactive_simplex_method.LPDictionary` from a `MixedIntegerLinearProgram` 51 62 - #20311: `interactive_simplex_method` enhancements 52 63 - #20203: `LPCleanDictionary` - floating-point helper class for interactive simplex method 53 64 - #18804: `LPBackendDictionary` - a debugging view of a MIP backend connected to `interactive_simplex_method` 65 - #18805: Add didactical implementation of tableau cutting planes to `interactive_simplex_method` 54 66 55 67 Interactions with polyhedra: 56 68 - #20301 `Polyhedron.to_linear_program` should return the MIP variable used 57 69 70 Applications: 71 - #20367: fix integer option and a bug in Delsarte bounds code