#14540: MILP constraints do no deal with Python types properly
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Reporter: ncohen | Owner: ncohen
Type: defect | Status: new
Priority: major | Milestone: sage-7.2
Component: linear programming | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Description changed by jdemeyer:
Old description:
> {{{
> sage: p = MixedIntegerLinearProgram()
> sage: b = p.new_variable()
> sage: p.add_constraint(int(1) <= b[0] + b[1] + b[2] <= int(2))
> sage: p.show()
> Maximization:
>
> Constraints:
> x_0 + x_1 + x_2 <= 2.0
> Variables:
> x_0 is a continuous variable (min=0.0, max=+oo)
> x_1 is a continuous variable (min=0.0, max=+oo)
> x_2 is a continuous variable (min=0.0, max=+oo)
> }}}
New description:
{{{
sage: p = MixedIntegerLinearProgram()
sage: b = p.new_variable()
sage: int(1) <= b[0] <= int(2)
x_0 <= 2
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/14540#comment:11>
Sage <http://www.sagemath.org>
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