Re: [Yade-dev] Vector3 unsigned int

[Jerome Duriez]

Out of curiosity, do you have concrete usage in mind?
That would be to gather 3 (always positive) indices of some gridpoint 
(i,j,k)


What would be the return type of the difference operator between two 
Vector3ui?
Indeed, I did not really think about it.. But in my mind, that would be 
the job of Eigen (which seems to handle unsigned types [*] ?) to decide, 
and I would just introduce a new typedef.



Actually my question came from the fear of falling under our recently 
strengthened warning=error compilation policy, through possible signed 
<-> unsigned conversions.


But I eventually did not face any of those in the meantime (while using 
classical Vector3i and other unsigned int variables), so maybe there was 
no point...



Thanks,

Jérôme


[*] 
http://eigen.tuxfamily.org/index.php?title=Versatility#Eigen_supports_many_numeric_types


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On 08/04/2020 16:49, Bruno Chareyre wrote:

Hi Jérôme,
Out of curiosity, do you have concrete usage in mind?
What would be the return type of the difference operator between two 
Vector3ui?

Cheers
Bruno

On Wed, 8 Apr 2020 at 16:10, Jerome Duriez > wrote:


Hi,

It seems, in [*], we're not using typedef'd types for possible Eigen
Vector3("Vector3ui" maybe).

Would you like / object to have one ?


[*]

https://gitlab.com/yade-dev/trunk/-/blob/master/lib/high-precision/MathEigenTypes.hpp

Jérôme

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Re: [Yade-dev] Vector3 unsigned int

[Bruno Chareyre]

Hi Jérôme,
Out of curiosity, do you have concrete usage in mind?
What would be the return type of the difference operator between two
Vector3ui?
Cheers
Bruno

On Wed, 8 Apr 2020 at 16:10, Jerome Duriez  wrote:

> Hi,
>
> It seems, in [*], we're not using typedef'd types for possible Eigen
> Vector3("Vector3ui" maybe).
>
> Would you like / object to have one ?
>
>
> [*]
>
> https://gitlab.com/yade-dev/trunk/-/blob/master/lib/high-precision/MathEigenTypes.hpp
>
> Jérôme
>
> --
> Chargé de Recherche / Research Associate
> Inrae, RECOVER
> 3275 route Cezanne – CS 40061 13182 Aix-en-Provence Cedex 5 FRANCE
> +33 (0)4 42 66 99 21
>
> https://www6.paca.inrae.fr/recover/membres-du-laboratoire/pages-personnelles/jerome-duriez
>
>
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[Yade-dev] Vector3 unsigned int

[Jerome Duriez]

Hi,

It seems, in [*], we're not using typedef'd types for possible Eigen 
Vector3("Vector3ui" maybe).


Would you like / object to have one ?


[*] 
https://gitlab.com/yade-dev/trunk/-/blob/master/lib/high-precision/MathEigenTypes.hpp


Jérôme

--
Chargé de Recherche / Research Associate
Inrae, RECOVER
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https://www6.paca.inrae.fr/recover/membres-du-laboratoire/pages-personnelles/jerome-duriez


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