prbrune/pcgamg-bootstrap

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prbrune/pcgamg-bootstrap
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Author Commit Message Date Builds
250+ commits behind master.
Peter Brune
Added -pc_gamg_classical_p_threshold for sparsifying the prolongator
Peter Brune
Small fixes to classical
Peter Brune
Use the nullspace and near-nullspace of the fine matrix in the bootstrapping
Peter Brune
Move debugging info on quality of approximation to within the -pc_gamg_verbose bounds
Peter Brune
Further integrated initial bootstrapping upsweep with prolongator creation
Peter Brune
Added run example for classical AMG with bootstrapping
Peter Brune
Changed strategies; bootstrap is apostprocess stage, classical is implemented
Peter Brune
Made bootstrap work in parallel with points moving around.
Peter Brune
PCGAMGBootstrap phase in PCGAMG and the implementation for PCGAMG_Bootstrap
Peter Brune
PCGAMG_Bootstrap least-squares prolongator based upon test vectors
Peter Brune
Added projection of the bootstrap test space from fine to coarse.
Peter Brune
Added an initial bootstrap implementation as mere unsmoothed aggregation.