Re: [boost] different matrix library?

DE wrote:

for big sizes it might be better i agree And ofr comple idnexing too. I'll let you as an exercice write the one dimension indexign of a matrix that is tiled in 5x5 blocks and unrolled by a factor 3. so i guess there should be at least two versions of storages

Well, either you let it as a policy or you can use it everytime. The 2D case is the worst case but as benchmarks show, it's only a few percent. There a was a discussion about multi_array months ago where I posted a sample benchmark of this. -- ___________________________________________ Joel Falcou - Assistant Professor PARALL Team - LRI - Universite Paris Sud XI Tel : (+33)1 69 15 66 35