toolbox for solving PDEs -- basic classes (development files)

 DUNE, the Distributed and Unified Numerics Environment is a modular toolbox
 for solving partial differential equations (PDEs) with grid-based methods.
 It supports the easy implementation of methods like Finite Elements (FE),
 Finite Volumes (FV), and also Finite Differences (FD).
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 This package contains the development files for the basic classes.