| Re: [eigen] How to make optional template parameters in C++ ? |
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Thanks for your help, it works ;)
On Tue, 11 May 2010 11:28:17 +0200, Hauke Heibel
<hauke.heibel@xxxxxxxxxxxxxx> wrote:
> Hi Vincent,
>
> in order to write an Eigen-Matrix derived class, you can do something
> as I did in the attached file. In order to define default template
> parameters you need to add them to the class definition or forward
> declarations. The reason why you probably did not see the default
> parameter declarations in Eigen is that they are hidden in a separate
> file (src\Core\util\ForwardDeclarations.h).
>
> I hope that helps.
>
> Regards,
> Hauke
>
> On Tue, May 11, 2010 at 11:04 AM, <vincent.lejeune@xxxxxxxxxx> wrote:
>> Hi,
>>
>> I'm trying to make my own matrix type, which derivate from the
>>
>> Matrix< _Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols>
>>
>> class. However, I don't know how to make the last 3 template parameters
>> optionals for my own type, as it is done with the Matrix type.
>>
>>
>> I'd like to know what's the trick used to get optional templates
>> parameters to
>> use it for my own matrix please.