[Ktechlab-devel] Vector, Matrix with Eigen -- first draft

[Zoltan Padrah]

So the what should be done is -- if understood well --:
- get rid of /src/math completely
- Replace QuickVector, Matrix with Eigen::Vector resp. Eigen::Matrix /
Eigen::LU everywhere they appear
- fix the bugs that appear

 My original idea was to create a layer of abstraction above Eigen,
but  as you pointed out, it's useless.


2009/7/26, Alan Grimes <agrimes at speakeasy.net>:
> P Zoltan wrote:
>
>>  I've started implementing the QuickVector and Matrix classes using
>> Eigen. The first draft of the source code is attached. It shoud be
>> cleaned up, added some more comments / documentation to it. When
>> integrating it in the SVN, I want to add the following files in the math
>> library:
>>  math_config.h (or similar name), just to define
>> USE_EIGEN_LU_IMPLEMENTATION or not -- to swap between implementations
>>  vector_eigen.h -- for QuickVector class (with Eigen it's just a typedef
>> for VectorXd)
>>  matrix_eigen.h -- header for Matrix
>>  matrix_eigen.cpp -- implementation for Matrix, in header in this moment
>
> /src/math is a refactoring of code that was previously in
> /src/electronics/simulation.
>
> Eigen, in theory, would completely replace all of /src/math,
>
> When I tried to switch to Eigen, I simply deleted /src/math and tried to
> get the rest to work by making Eigen calls... I discarded my work after
> getting some segfaults I didn't understand... (indubitably pointer
> problems, ie I was using my own math libraries using non-standard
> conventions that didn't work with Eigen...)
>
> Without the understanding that libktechmath is an amature attempt at
> duplicating Eigen, you'll just be creating a royal-big mess.
>
>
> --
> New president: Here we go again...
> Chemistry.com: A total rip-off.
> Powers are not rights.
>
>
> ------------------------------------------------------------------------------
> _______________________________________________
> Ktechlab-devel mailing list
> Ktechlab-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/ktechlab-devel
>