#20376: LoggingBackend - delegating MIP backend class that logs input/output to
backend methods
-------------------------------------+-------------------------------------
Reporter: mkoeppe | Owner:
Type: enhancement | Status: new
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|
e7ef1eab2afffb239b253b354cdebff8965af13c
Dependencies: #20406, #20323 | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by mkoeppe):
* cc: dimpase, vdelecroix, vbraun, nthiery (added)
* dependencies: => #20406, #20323
Old description:
> This is a debugging tool. The delegating class looks much like
> `HybridBackend` from #18735.
>
> The logging should be done (optionally) in a way that testcases using
> `MixedIntegerLinearProgram` such as the the one reported in #18572 are
> translated to testcases for backends, suitable for copy-pasting into new
> `_test` methods (#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 #20323.
--
Comment:
The branch is on top of #20406.
The `_test` methods that this class generates mimic the ones written in
#20323, which is why I mark it as a dependency.
--
Ticket URL: <http://trac.sagemath.org/ticket/20376#comment:3>
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