| Re: [eigen] eigen3 replacement of start/segment/end |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] eigen3 replacement of start/segment/end
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Tue, 20 Jul 2010 13:15:54 -0400
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.... as explained there:
http://eigen.tuxfamily.org/dox-devel/Eigen2ToEigen3.html#VectorBlocks
2010/7/20 Keir Mierle <mierle@xxxxxxxxx>:
> Start and end have been renamed to head and tail.
> Keir
>
> On Tue, Jul 20, 2010 at 8:33 AM, Helmut Jarausch
> <jarausch@xxxxxxxxxxxxxxxxxxx> wrote:
>>
>> Hi
>>
>> I have on old eigen2 function working with dense matrices
>>
>> template<typename Derived>
>>
>> void process(MatrixBase<Derived>& DATA) {
>> Vector2d G;
>> G << 1.0, 2.0;
>>
>> DATA.template start<2>()+= G; // fails in Eigen3
>> DATA.template segment<2>(0)+= G;
>>
>> }
>>
>> How can this be upgraded to Eigen3.
>> Many thanks for a hint,
>> Helmut.
>>
>> --
>> Helmut Jarausch
>>
>> Lehrstuhl fuer Numerische Mathematik
>> RWTH - Aachen University
>> D 52056 Aachen, Germany
>>
>>
>>
>
>