Re: [eigen] transitivity of EIGEN_MAKE_ALIGNED_OPERATOR

Re: [eigen] transitivity of EIGEN_MAKE_ALIGNED_OPERATOR_NEW

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To: "eigen@xxxxxxxxxxxxxxxxxxx" <eigen@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [eigen] transitivity of EIGEN_MAKE_ALIGNED_OPERATOR_NEW
From: Rob Conde <rob.conde@xxxxxxxxxxxxxxxx>
Date: Wed, 3 May 2023 13:15:09 +0000
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Thread-topic: [eigen] transitivity of EIGEN_MAKE_ALIGNED_OPERATOR_NEW

Just wanted to clarify that, as far as I know, you don't need to worry about EIGEN_MAKE_ALIGNED_OPERATOR if you're using C++17 or greater.

Rob

From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
Sent: Wednesday, May 3, 2023 9:09 AM
To: eigen@xxxxxxxxxxxxxxxxxxx <eigen@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [eigen] transitivity of EIGEN_MAKE_ALIGNED_OPERATOR_NEW

Hi,

yes that's, sadly, true.

Gaël

On Wed, May 3, 2023 at 12:26 PM Rasmus <rasmusdiederichsen@xxxxxxxxx> wrote:

Hello,
I would like to get an authoritative answer to this question here: https://stackoverflow.com/questions/63216172/transitive-effect-of-eigen-eigen-make-aligned-operator-new

Basically, if class A has Eigen members and thus uses EIGEN_MAKE_ALIGNED_OPERATOR, should this macro also be added to class B which has a member of type A?

Best,

Rasmus

References:
- [eigen] transitivity of EIGEN_MAKE_ALIGNED_OPERATOR_NEW
  - From: Rasmus
- Re: [eigen] transitivity of EIGEN_MAKE_ALIGNED_OPERATOR_NEW
  - From: Gael Guennebaud

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