IterSolvers contains a number of popular iterative solvers for large sparse matrices 
written in c++. In particular IterSolvers contains an implementation of the classical 
algebraic multigrid method. These functions are primarily for learning purposes, 
although effort has been made to make them "reasonably" fast.

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 IterSolvers is free software; you can redistribute it and/or modify it under the
 terms of the GNU Lesser General Public License (as published by the Free
 Software Foundation) version 2.1 dated February 1999.

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While this code is completely open source the author would appreciate referencing 
this work when/if it is found to be useful. Thanks!  
