[Cbc] Free Binary

[Stefan Vigerske]

Hi,

On 09/13/2012 06:58 PM, Christos wrote:
> Hi again,
>
> I learned from here that to declare a variable-column as Binary (to take
> only values 0-1), needs to use the command solver.setInteger() and
> colb[] = 0, colub = 1 ;
>
> Am i right?

Yes.


> I did all that but when i use the command solver.isFreeBinary()  i get
> the true value.
> As i read for the description, isFreeBinare returns true if variable is
> binary and not fixed to either bound.

If the lower bound is 0 and the upper bound is 1, then the variable is 
not fixed, aka free, thus you get true.

Stefan

>
> So why i get the true value?
>
> Thank you
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