Changes between Version 24 and Version 25 of Ticket #20302
- Timestamp:
- 04/03/16 20:16:33 (5 years ago)
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Ticket #20302 – Description
v24 v25 1 Frontend :1 Frontend defects: 2 2 - #20304: More error checking in `MixedIntegerLinearProgram` 3 3 - #19523: defect: Adding constraints for the wrong MILP crashes Sage 4 - #13696: process chained equalities with different signs correctly 5 - #14540: MILP constraints are silently misunderstood 6 - #15159: Segfault after deepcopy of MixedIntegerLinearProgram 7 8 Frontend wishlist tickets: 4 9 - #20331: A `MIPVariable`'s repr should include some useful information 5 - #18733: enhancement:`MixedIntegerLinearProgram` should support tableau-query methods6 - #18688: task:`MixedIntegerLinearProgram` should support basis status getting/setting7 8 Wishlist tickets: 9 - #7 290: Dual method for linear programs10 - #18733: `MixedIntegerLinearProgram` should support tableau-query methods 11 - #18688: `MixedIntegerLinearProgram` should support basis status getting/setting 12 - #7290: Dual method for linear programs (dup: #13141) 13 - #7300: Display tight constraints 14 - #7790: Setting a default max/min bound when calling `MixedIntegerLinearProgram.new_variable` 10 15 - #15356: linear programming enhancements 16 - #15583: sage.numerical.linear_functions.LinearConstraint is not a hashable type 11 17 12 18 Improvements to backends: … … 14 20 - #19525: enhancement: Improve GLPK error handling 15 21 - #20332: `CVXOPTBackend`: Set initial `problem_name` 22 - #18572: CVXOPT solver equations handling 16 23 - #20337: MIP: Several fixes regarding constant terms in the objective function 17 24 - #20323: Common `TestSuite` for MIP backends … … 22 29 - #10232: check GLPK bound errors 23 30 - #20351: `sage.libs.ppl.MIP_Problem` and `PPLBackend`: Add support for integer variables 31 32 Improvements to underlying libraries: 33 - #19903 crash with MIP_Problem 24 34 25 35 New backends: