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mld2p4-2:

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Unify checks for INT nonnegative or positive.
This commit is contained in:
Salvatore Filippone
2016-02-03 18:49:32 +00:00
parent 758d52f175
commit 8d27ad5167
48 changed files with 5039 additions and 4403 deletions
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docs/src/gettingstarted.tex
+14 -12
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@@ -85,9 +85,9 @@ Additive Schwarz & \verb|'AS'| & Restricted Additive Schwarz (RAS),
with overlap 1 and ILU(0) on the local blocks. \\ \hline
Multilevel &\verb|'ML'| & Multi-level hybrid preconditioner (additive on the
same level and multiplicative through the levels),
with post-smoothing only.
with pre- and post-smoothing.
Number of levels: 2.
Post-smoother: RAS with overlap 1 and ILU(0)
Smoother: RAS with overlap 1 and ILU(0)
on the local blocks.
Aggregation: decoupled smoothed aggregation with
threshold $\theta = 0$.
@@ -151,7 +151,7 @@ the corresponding Fortran 95 codes are available in \verb|examples/fileread/|.
! preconditioner
type(mld_dprec_type) :: P
! right-hand side and solution vectors
real(kind(1.d0)) :: b(:), x(:)
type(psb_d_vect_type) :: b, x
... ...
!
! initialize the parallel environment
@@ -165,8 +165,9 @@ the corresponding Fortran 95 codes are available in \verb|examples/fileread/|.
!
! initialize the default multi-level preconditioner, i.e. hybrid
! Schwarz, using RAS (with overlap 1 and ILU(0) on the blocks)
! as post-smoother and 4 block-Jacobi sweeps (with UMFPACK LU
! on the blocks) as distributed coarse-level solver
! as pre- and post-smoother and 4 block-Jacobi sweeps
! (with UMFPACK LU on the blocks) as distributed coarse-level
! solver.
call mld_precinit(P,'ML',info)
!
! build the preconditioner
@@ -249,9 +250,10 @@ boundary conditions are also available in the directory \verb|examples/pdegen|.
! a coarsest matrix replicated on the processors, and the
! LU factorization from UMFPACK as coarse-level solver
call mld_precinit(P,'ML',info,nlev=3)
call_mld_precset(P,mld_smoother_type_,'BJAC',info)
call mld_precset(P,mld_coarse_mat_,'REPL',info)
call mld_precset(P,mld_coarse_solve_,'UMF',info)
call_mld_precset(P,'SMOOTHER_TYPE','BJAC',info)
call_mld_precset(P,'SMOOTHER_POS,'POST'w,info)
call mld_precset(P,'COARSE_MAT','REPL',info)
call mld_precset(P,'COARSE_SOLVE','UMF',info)
... ...
\end{verbatim}
}
@@ -272,9 +274,9 @@ boundary conditions are also available in the directory \verb|examples/pdegen|.
! post-smoother, and 5 block-Jacobi sweeps (with UMFPACK LU
! on the blocks) as distributed coarsest-level solver
call mld_precinit(P,'ML',info,nlev=3)
call mld_precset(P,mld_ml_type_,'ADD',info)
call_mld_precset(P,mld_smoother_pos_,'TWOSIDE',info)
call mld_precset(P,mld_coarse_sweeps_,5,info)
call mld_precset(P,'ML_TYPE','ADD',info)
call_mld_precset(P,'SMOOTHER_POS','TWOSIDE',info)
call mld_precset(P,'COARSE_SWEEPS',5,info)
... ...
\end{verbatim}
}
@@ -292,7 +294,7 @@ boundary conditions are also available in the directory \verb|examples/pdegen|.
... ...
! set RAS with overlap 2 and ILU(0) on the local blocks
call mld_precinit(P,'AS',info)
call mld_precset(P,mld_sub_ovr_,2,info)
call mld_precset(P,'SUB_OVR',2,info)
... ...
\end{verbatim}
}