I haven't an external library of SuperLU and thus the compiler gives the fatal error C1083: Cannot open include file: 'slu_Cnames.h'
Is it not provided by Eigen 3.1.2 ?

thanks

no, it is up to the user to provide and link to external libraries. In the devel branch you'll find a built-in sparse LU solver.

ggael wrote:no, it is up to the user to provide and link to external libraries. In the devel branch you'll find a built-in sparse LU solver.

if I want to use SuperLu class to solve my problem, what should be done beforehand? note: I do not configure any other external libraries on my pc.

what is mean of the guide "....For a cmake based project, you can use our FindSuperLU.cmake module to help you in this task." in Eigen long tutorial?

It is up to the user to configure his project file to properly set the include path to superlu headers as well as to link to superlu binaries. So we refer to SuperLU manual for that. Nevertheless, I'd recommend to use the built-in SparseLU module which is port of SuperLU but easier to use (no dependency) and faster

ggael wrote:It is up to the user to configure his project file to properly set the include path to superlu headers as well as to link to superlu binaries. So we refer to SuperLU manual for that. Nevertheless, I'd recommend to use the built-in SparseLU module which is port of SuperLU but easier to use (no dependency) and faster

Thanks for your advice!
I hope Eigen will be improved better and better!