On Tuesday, 28 April 2015 11:16:04 UTC+1, Nathann Cohen wrote:
>
> > Perhaps I was not clear enough: I meant to say: make the
> solver-specific
> > doctests work; we talk about a dozen doctests or so...
>
>
> What do you mean by "make them work" ? We already have a lot of
> solver-specific doctests in the numerical/backends/ folder.
>
I mean that if I currently set the default solver to Gurobi, there are few
failing
doctests, as Gurobi prints the LP a bit differently.
An example:
$ ./sage -tp src/sage/numerical/mip.pyx
too many failed tests, not using stored timings
Running doctests with ID 2015-04-28-11-59-41-d779c3bb.
Git branch: develop
Doctesting 1 file using 8 threads.
sage -t src/sage/numerical/mip.pyx
**********************************************************************
File "src/sage/numerical/mip.pyx", line 704, in
sage.numerical.mip.MixedIntegerLinearProgram.new_variable
Failed example:
p.show()
Expected:
Maximization:
<BLANKLINE>
Constraints:
x_0 + x_1 <= 8.0
- x_2 + x_3 <= 0.0
Variables:
x_0 is a continuous variable (min=-oo, max=+oo)
x_1 is a continuous variable (min=-oo, max=+oo)
x_2 is an integer variable (min=-oo, max=+oo)
x_3 is an integer variable (min=-oo, max=+oo)
Got:
Maximization:
<BLANKLINE>
Constraints:
R0: x_0 + x_1 <= 8.0
R1: - x_2 + x_3 <= 0.0
Variables:
x_0 is a continuous variable (min=-oo, max=+oo)
x_1 is a continuous variable (min=-oo, max=+oo)
x_2 is an integer variable (min=-oo, max=+oo)
x_3 is an integer variable (min=-oo, max=+oo)
[...]
(Gurobi prints constraint numbers, R0, R1, etc...)
So these doctests are in fact solver-specific.
Dima
>
> Nathann
>
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