| Re: [eigen] Compilation errors introduced by recent changes. (aligned stl types & MatrixType rename) |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Compilation errors introduced by recent changes. (aligned stl types & MatrixType rename)
- From: Hauke Heibel <hauke.heibel@xxxxxxxxxxxxxx>
- Date: Wed, 21 Apr 2010 23:21:05 +0200
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Guys, I am sorry and afraid that no Visual Studio system seems to be
able to compile Eigen's devel branch at the moment. I already filed a
bug report yesterday night.
It is located here (http://tinyurl.com/y2onuvg), reproducible and
currently under investigation. I have already spent a lot of time to
find a workaround - Benoit did as well, and we have no solution at the
moment.
You can verify that it is the bug I submitted by modifying the file
Eigen/src/Core/util/ForwardDeclarations.h
by changing the Block forward declaration to
template<typename MatrixType, int BlockRows=Dynamic, int BlockCols=Dynamic,
int _DirectAccessStatus = HasDirectAccess
/*ei_block_direct_access_status<MatrixType>::ret*/> class Block;
This is no (!) solution! It is just a way to compile the most trivial
Eigen code based on matrices.
The sample code from the bug report does not compile with VS 2010 and
my assumption is that it does neither with VS 2008.
We have to wait for Microsoft or some smart person to come up with a
fix for this serious show stopper.
- Hauke
On Wed, Apr 21, 2010 at 7:03 PM, Ilya Baran <baran37@xxxxxxxxx> wrote:
> Hi,
>
> I'm getting this error on MSVC 2008 and MSVC 2010, so I don't think
> it's an MSVC 2010 bug.
>
> Thanks,
>
> -Ilya
>
> On Wed, Apr 21, 2010 at 12:55 PM, Eamon Nerbonne
> <eamon.nerbonne@xxxxxxxxx> wrote:
>> On Wed, Apr 21, 2010 at 18:30, Hauke Heibel <hauke.heibel@xxxxxxxxxxxxxx>
>> wrote:
>>>
>>> Ok, having that said, when you reported the issue even this (correct code)
>>>
>>> std::vector<Vector2d, Eigen::aligned_allocator<Vector2d> > stlvec(10,
>>> Vector2d());
>>>
>>> failed which I fixed now.
>>
>> Oops - I see my example was a little hasty indeed.
>>
>>>
>>> If you hit any other issues please let me know.
>>>
>>
>> Well, I still can't compile anything including eigen after Benoit's
>> changeset labelled "renaming (MatrixType ---> whatever appropriate) ..."
>> from the 18th - since you haven't run into it, I take it that this
>> compilation error is due to a bug in the RC that's been fixed in 2010 RTM?
>>
>> Even the following won't compile in the latest version:
>> #include "Eigen/Core"
>> int main(){ return 0;}
>>
>> That results in 11 "error C2065: 'MatrixType' : undeclared identifier"
>> errors.
>>
>>
>
>
>