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SGI Solver - Fast Sparse Solvers
SGISolve provides two direct solvers, PSLDLT and PSLDU, and one iterative solver, DIterative (deprecated), for sparse linear systems of equations. These solvers are optimized and parallelized for the SGI SMP platforms, and originally developed for the SGI SCSL library that is now retired. Please see the manpages for 'intro_solvers' for more detail.