Changes between Version 73 and Version 74 of Ticket #20302


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Timestamp:
11/04/16 19:16:40 (2 years ago)
Author:
dimpase
Comment:

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  • Ticket #20302

    • Property Milestone changed from sage-7.4 to sage-7.5
  • Ticket #20302 – Description

    v73 v74  
    2626 - #15583: `sage.numerical.linear_functions.LinearConstraint` is not a hashable type
    2727
     28Backend defects:`
     29 - #21825: memory leak in `MixedIntegerLinearProgram` coin backend
     30 - #21449: `CoinBackend`: _test_solve fails on 32-bit
     31 - #21550: Fix `CoinBackend` testsuite (32-bit failure)
     32 - #20303: Fixes for `add_variables` in CVXOPT, PPL, GLPK MIP backends and `add_linear_constraints` in CVXOPT
     33 - #18572: CVXOPT solver equations handling
     34 - #20600: more failing tests related to cplex / gurobi
     35 - #20360: Add `sig_on`/`sig_off` to `COINBackend`
     36
    2837Improvements to backends:
    2938 - #18685: Add basis status functions `get_col_stat`, `get_row_stat` to GLPK backend
     
    3443 - #19471: COIN backend: More basis status and tableau data functions
    3544 - #19472: GLPK backend: More basis status and tableau data functions
    36  - #20303: Fixes for `add_variables` in CVXOPT, PPL, GLPK MIP backends and `add_linear_constraints` in CVXOPT
    3745 - #19525: enhancement: Improve GLPK error handling
    3846 - #20332: `CVXOPTBackend`: Set initial `problem_name`
     
    4351 - #20414: Add `copy`/`__copy__` methods to CVXOPT, PPL, InteractiveLP backends
    4452 - #20548: py3 print in numerical folder
    45  - #18572: CVXOPT solver equations handling
    4653 - #20323: Common `TestSuite` for MIP backends
    4754 - #20424: More tests for common MIP `TestSuite`
    4855 - #20325: `GenericBackend`: Add default implementation of `add_variables` and `add_linear_constraints`
    4956 - #20328: tests related to cplex / gurobi
    50  - #20600: more failing tests related to cplex / gurobi
    51  - #20360: Add `sig_on`/`sig_off` to COINBackend
    5257 - #20458: GLPKBackend/GLPKExactBackend: Support "glp_simplex followed by glp_exact"
    53  - #21449: CoinBackend: _test_solve fails on 32-bit
    54  - #21550: Fix CoinBackend testsuite (32-bit failure)
    5558 - #21563: Add scripts to install Gurobi, Cplex include and lib links in SAGE_LOCAL
    5659
     
    6063 - #20362: MIP backends: Make variable type consistent between `add_variable`, `set_variable_type` (with deprecation)
    6164 - #21498: Unify/document write_lp, write_mps behavior regarding filenames and problem transformations
    62  - #21499: GenericBackend: Add _test_sense method
     65 - #21499: `GenericBackend`: Add _test_sense method
    6366
    6467Improvements to underlying libraries: