Re: [eigen] Signed or unsigned indexing

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Here is an example of the Intel compiler missing vectorization because of unsigned integers, and the explanation for Advisor :

François Fayard
Founder & Consultant - Inside Loop
Applied Mathematics & High Performance Computing

> On Jan 20, 2017, at 2:25 PM, Henrik Mannerström <henrik.mannerstrom@xxxxxxxxx> wrote:
> This issue seems to warrant a separate message thread.
> I'd like to offer my two cents: As much as I like Eigen I think there is a strict ordering "c++ language" > "stl" > "Eigen". More than once have I developed something and only at some later point brought in Eigen. Code written in std:size_t fashion has then needed refactoring. So, if there would be a vote, I'd vote for size_t indexing. I think smooth interoperability with stl is valuable.
> Best,
> Henrik 

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