| Re: [eigen] (vec1*vec2.transpose())*vec3 on 2.0.5/6 |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] (vec1*vec2.transpose())*vec3 on 2.0.5/6
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Tue, 29 Sep 2009 19:49:39 -0400
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2009/9/29 Rhys Ulerich <rhys.ulerich@xxxxxxxxx>:
>>> On 2.0.5 and 2.0.6 I've noticed that
>>> (vec1*vec2.transpose())*vec3
>>> errors out at compile time
>
>> It's definitely not legit, you found a bug, let me investigate it...
>
> When you're investigating, would you please also check that it behaves
> correctly for
> (vec1*vec1.transpose())*vec2
> where the outer product is vec1 against itself? That's the original
> use case where I found the problem. The GNU 4.3.1 and Intel 10.1
> compilers both complained in a similar way.
Here your example indeed triggers a compilation error with the
development branch;
but it compiles and runs normally with the 2.0 branch, with 2.0.5, and
with 2.0.6. (And yes, I uncommented the nasty line).
I tried with GCC 4.4 and GCC 4.1.
Can you show me the compilation errors that you get?
Benoit