#20376: LoggingBackend - delegating MIP backend class that logs input/output to
backend methods
-------------------------------------+-------------------------------------
       Reporter:  mkoeppe            |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-7.2
      Component:  numerical          |   Resolution:
       Keywords:  lp                 |    Merged in:
        Authors:                     |    Reviewers:
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  
u/mkoeppe/loggingbackend___delegating_mip_backend_class_that_logs_input_output_to_backend_methods|
  4983cc757f72093976d2dfc83beb37be71add00e
   Dependencies:  #20406, #20323     |     Stopgaps:
-------------------------------------+-------------------------------------
Changes (by mkoeppe):

 * status:  new => needs_review


Old description:

> This is a debugging tool. It logs calls to the methods of MIP backends.
>
> There are three output formats:
>  - on-screen comments
>  - doctests, suitable for cut and paste
>  - `_test_*` methods for the backends (#20323).
>
> I have already used this code to translate the testcase using the
> `MixedIntegerLinearProgram` reported in #18572 to a testcase in the style
> of the `_test_*` methods for the backends. The result has been committed
> on #20323.

New description:

 This is a debugging tool. It logs calls to the methods of MIP backends.

 There are three output formats:
  - on-screen comments
  - doctests, suitable for cut and paste
  - `_test_*` methods for the backends (#20323).

 I have already used this code to translate the testcase using the
 `MixedIntegerLinearProgram` reported in #18572 to a testcase in the style
 of the `_test_*` methods for the backends. The result has been committed
 on #20424 .

--

Comment:

 rebased on top of current #20406.

--
Ticket URL: <http://trac.sagemath.org/ticket/20376#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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