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Changelog. A lot less detailed than usual, at least for past
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history.
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2011/01/07: Fixed UMF interfacing for Z data.
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2011/01/04: Added UMF inteface for D data.
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2011/01/02: Fix usage of DESC_DATA. Switched all names to F90 ending.
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2010/12/16: Fix usage of replicated space descriptor.
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2010/11/16: Fix Jacobi smoother in case of empty off-diagonal.
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2010/11/04: Defined and tested single real and complex.
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2010/11/02: Aligned usage of sparse data type with psblas3.
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2009/12/22: Aligned constants with mld2p4 v1.2
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2009/12/11: First working version of double multilevel.
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2009/12/05: Inttroduction of Smoother/Solver object hierarchy.
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2009/09/23: Initial F2003 version.
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2009/01/28: Changed names from XbaseprcY to XbaseprecY.
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2009/01/27: Changed names from mld_transfer to mld_move_alloc.
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2009/01/13: Repackaged the one-level preconditioners. Reorganized the
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build routines, taking out mlprec_bld, and switching the
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number of levels when needed.
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2008/10/27: Changed the definition of prec_type: repackaged with a
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onelev-prec-type, containing a baseprec and maps between
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index spaces. No performance impact; no changes to
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user-level interfaces.
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2008/09/18: Changed mld_sizeof to integer(8); updated samples.
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2008/08/26: Fixed matrix generation in sample programs.
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2008/07/25: missing implicit none in mld_prec_type.
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2008/07/23: added HTML documentation
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2008/06/13: Fixed aggregation for replicated index spaces.
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2008/06/02: Threshold into decoupled aggregation algorithm.
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2008/05/27: Single precision version.
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2008/03/09: Introduced configure script.
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2008/02/08: Merged changes from intermesh branch: we now have an
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inter_desc_type object. Cleaned up data allocation and
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variable initialization in multilevel prec application.
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2008/01/10: Merged various fixes for: prologues, unused variables,
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interface details.
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2007/12/21: Merge version with prologues and internal docs.
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2007/11/15: Created pargen example.
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2007/11/14: Fix INTENT(IN) on X vector in preconditioner routines.
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2007/10/19: Merged in ILU(P,T). To be tested extensively.
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2007/10/17: Merged ILU(K) into trunk.
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2007/10/16: Fixed ILU(K), it now performs satisfactorily. Also updated
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ILU(0) to be more legible.
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2007/10/11: First working version of ILU(K). Still slow, there should
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be room for improvement.
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2007/10/09: Added benchmark code.
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2007/10/09: Added MILU_N_. Beware: values for UMF_ etc. have been
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shifted.
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2007/10/02: To do: decide whether to name MLD_KRYLOV_MOD or
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PSB_KRYLOV_MOD.
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2007/10/01: Start of this changelog. MLD2P4 now has a different
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structure, to enable a build not embedded in PSBLAS.
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