main
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Last change
on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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File size:
3.1 KB
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| 1 | /*BHEADER**********************************************************************
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| 2 | * Copyright (c) 2008, Lawrence Livermore National Security, LLC.
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| 3 | * Produced at the Lawrence Livermore National Laboratory.
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| 4 | * This file is part of HYPRE. See file COPYRIGHT for details.
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| 5 | *
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| 6 | * HYPRE is free software; you can redistribute it and/or modify it under the
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| 7 | * terms of the GNU Lesser General Public License (as published by the Free
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| 8 | * Software Foundation) version 2.1 dated February 1999.
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| 9 | *
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| 10 | * $Revision: 2.4 $
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| 11 | ***********************************************************************EHEADER*/
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| 12 |
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| 13 |
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| 14 |
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| 15 |
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| 16 | /******************************************************************************
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| 17 | *
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| 18 | * Relaxation scheme
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| 19 | *
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| 20 | *****************************************************************************/
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| 21 |
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| 22 | #include "headers.h"
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| 23 |
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| 24 |
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| 25 | /*--------------------------------------------------------------------------
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| 26 | * hypre_BoomerAMGRelax
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| 27 | *--------------------------------------------------------------------------*/
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| 28 |
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| 29 | int hypre_BoomerAMGRelaxIF( hypre_ParCSRMatrix *A,
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| 30 | hypre_ParVector *f,
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| 31 | int *cf_marker,
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| 32 | int relax_type,
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| 33 | int relax_order,
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| 34 | int cycle_type,
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| 35 | double relax_weight,
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| 36 | double omega,
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| 37 | double *l1_norms,
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| 38 | hypre_ParVector *u,
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| 39 | hypre_ParVector *Vtemp,
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| 40 | hypre_ParVector *Ztemp )
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| 41 | {
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| 42 | int i, Solve_err_flag = 0;
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| 43 | int relax_points[2];
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| 44 | if (relax_order == 1 && cycle_type < 3)
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| 45 | {
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| 46 | if (cycle_type < 2)
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| 47 | {
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| 48 | relax_points[0] = 1;
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| 49 | relax_points[1] = -1;
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| 50 | }
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| 51 | else
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| 52 | {
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| 53 | relax_points[0] = -1;
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| 54 | relax_points[1] = 1;
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| 55 | }
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| 56 |
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| 57 | {
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| 58 | for (i=0; i < 2; i++)
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| 59 | Solve_err_flag = hypre_BoomerAMGRelax(A,
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| 60 | f,
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| 61 | cf_marker,
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| 62 | relax_type,
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| 63 | relax_points[i],
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| 64 | relax_weight,
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| 65 | omega,
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| 66 | l1_norms,
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| 67 | u,
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| 68 | Vtemp, Ztemp);
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| 69 | }
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| 70 | }
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| 71 | else
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| 72 | {
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| 73 |
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| 74 | Solve_err_flag = hypre_BoomerAMGRelax(A,
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| 75 | f,
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| 76 | cf_marker,
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| 77 | relax_type,
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| 78 | 0,
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| 79 | relax_weight,
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| 80 | omega,
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| 81 | l1_norms,
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| 82 | u,
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| 83 | Vtemp, Ztemp);
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| 84 | }
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| 85 |
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| 86 | return Solve_err_flag;
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| 87 | }
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