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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Inconsistency in multiplication of complex with real
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sat, 19 Jun 2010 13:06:59 -0400
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right, this is a bug, needs to be fixed.
2010/6/19 Johan Pauwels <johan.pauwels@xxxxxxxxxxxxx>:
> Hello all,
>
> I think I found a little inconsistency when multiplying a complex with a real array. See the snippet below
>
> #include <iostream>
> #include <Eigen/Core>
>
> int main()
> {
> Eigen::ArrayXcd complexArray = Eigen::ArrayXcd::Random(5);
> Eigen::ArrayXd realArray = Eigen::ArrayXd::Random(5);
> complexArray = complexArray * realArray;
> std::cout << complexArray << std::endl;
> complexArray *= realArray;
> std::cout << complexArray << std::endl;
> }
>
> The first multiplication just works, but the second causes 'YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY' at compilation (Mac OS 10.6.3 - gcc 4.2.1, Eigen head). You would expect them to do the same, no?
>
> Regards,
> Johan
>
>