[Cbc] Increase number of digits in solution file

[Fausto Richetti Blanco]

I think you can add -DCLP_OUTPUT_FORMAT ="%20.12g" to the compiler
parameters in the project settings of visual studio

On Thu, Sep 21, 2017 at 1:05 PM, John Forrest <john.forrest at fastercoin.com>
wrote:

> Nicolas,
>
> I only use Linux, so maybe someone else can help.
>
> I think that for Visual Studio you have to modify Clp/src/config_default.h
> by hand.  If so then I would try adding  #define CLP_OUTPUT_FORMAT
> ="%20.12g".  I am not sure if you need the "".  I hope someone will correct
> me if I am wrong.
>
> John Forrest
> On 21/09/17 14:24, nicolas.derhy at engie.com wrote:
>
> Hi John,
>
>
>
> Can you explain me how to do this ?
>
> I have downloaded source code and I compiled it successfully (using Visual
> Studio 2010).
>
> I found some CXXDEFS in the configure file but I do not know what to
> modify.
>
>
>
> Nicolas
>
>
>
> *De :* Cbc [mailto:cbc-bounces at coin-or.org <cbc-bounces at coin-or.org>] *De
> la part de* John Forrest
> *Envoyé :* mardi 19 septembre 2017 18:57
> *À :* cbc at list.coin-or.org
> *Objet :* Re: [Cbc] Increase number of digits in solution file
>
>
>
> Nicolas,
>
> When you configure cbc add to CXXDEFS
>
> -DCLP_OUTPUT_FORMAT ="%20.12g"
>
> or whatever you want.
>
> John Forrest
>
> On 19/09/17 16:02, nicolas.derhy at engie.com wrote:
>
> Hi everybody,
>
>
>
> I often use cbc exe. It works very well and each time I use it, I add to
> the command line “-solution mySolution.txt” in order to recuperate the
> optimal solution.
>
> My problem is that the values stored in the solution file lacked sometimes
> of precision when I need a lot of digits.
>
> For example, I recently obtained 1.5596969e+008 whereas I was hoping for
>  155969687.
>
>
>
> I tried several options like –output but I did not find any option that
> will fit my expectations.
>
> Is there a way to increase the number of digits in solution file ?
>
>
>
> Nicolas
>
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