Add efficient stencil build for 2-hop stencils.

weinbe2 / generic-linalg

A set of generic linear algebra routines for sparse matrices.

MIT License

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Open weinbe2 opened 8 years ago

weinbe2 commented 8 years ago

This requires updating:

operators_stencil.cpp to provide efficient 2-link stencils
mg_complex.cpp to update generate_coarse_from_fine_stencil.
Various other functions to make them aware we can efficiently build 2-link stencils.