Refactor 3D assembly
Refactor
Extract precalculation
Refactoring
Call assemble_3d_precalc()
Update parameters
Implement assemble_3d_csr()
Use it
Refactor
Use it in ofmd
Use it the second time
Remove unused argument
Fix the Lx, Ly, Lz thing
Fix a warning
Better initial condition
Merge pull request #30 from certik/opt

Implement optimization of ofmd