280 lines
9.0 KiB
C
280 lines
9.0 KiB
C
/*BHEADER**********************************************************************
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* Copyright (c) 2008, Lawrence Livermore National Security, LLC.
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* Produced at the Lawrence Livermore National Laboratory.
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* This file is part of HYPRE. See file COPYRIGHT for details.
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*
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* HYPRE is free software; you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License (as published by the Free
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* Software Foundation) version 2.1 dated February 1999.
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*
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* $Revision$
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***********************************************************************EHEADER*/
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/******************************************************************************
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*
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* SStruct matrix-vector implementation of Krylov interface routines.
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*
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*****************************************************************************/
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#include "_hypre_sstruct_ls.h"
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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char *
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hypre_SStructKrylovCAlloc( HYPRE_Int count,
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HYPRE_Int elt_size )
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{
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return( hypre_CAlloc( count, elt_size ) );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovFree( char *ptr )
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{
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hypre_Free( ptr );
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return hypre_error_flag;
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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void *
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hypre_SStructKrylovCreateVector( void *vvector )
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{
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hypre_SStructVector *vector = vvector;
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hypre_SStructVector *new_vector;
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HYPRE_Int object_type;
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HYPRE_Int nparts= hypre_SStructVectorNParts(vector);
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hypre_SStructPVector *pvector;
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hypre_StructVector *svector;
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hypre_SStructPVector *new_pvector;
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hypre_StructVector *new_svector;
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HYPRE_Int *num_ghost;
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HYPRE_Int part;
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HYPRE_Int nvars, var;
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object_type= hypre_SStructVectorObjectType(vector);
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HYPRE_SStructVectorCreate(hypre_SStructVectorComm(vector),
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hypre_SStructVectorGrid(vector),
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&new_vector);
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HYPRE_SStructVectorSetObjectType(new_vector, object_type);
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if (object_type == HYPRE_SSTRUCT || object_type == HYPRE_STRUCT)
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{
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for (part= 0; part< nparts; part++)
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{
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pvector = hypre_SStructVectorPVector(vector, part);
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new_pvector= hypre_SStructVectorPVector(new_vector, part);
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nvars = hypre_SStructPVectorNVars(pvector);
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for (var= 0; var< nvars; var++)
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{
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svector= hypre_SStructPVectorSVector(pvector, var);
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num_ghost= hypre_StructVectorNumGhost(svector);
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new_svector= hypre_SStructPVectorSVector(new_pvector, var);
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hypre_StructVectorSetNumGhost(new_svector, num_ghost);
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}
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}
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}
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HYPRE_SStructVectorInitialize(new_vector);
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HYPRE_SStructVectorAssemble(new_vector);
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return ( (void *) new_vector );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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void *
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hypre_SStructKrylovCreateVectorArray(HYPRE_Int n, void *vvector )
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{
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hypre_SStructVector *vector = vvector;
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hypre_SStructVector **new_vector;
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HYPRE_Int object_type;
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HYPRE_Int nparts= hypre_SStructVectorNParts(vector);
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hypre_SStructPVector *pvector;
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hypre_StructVector *svector;
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hypre_SStructPVector *new_pvector;
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hypre_StructVector *new_svector;
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HYPRE_Int *num_ghost;
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HYPRE_Int part;
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HYPRE_Int nvars, var;
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HYPRE_Int i;
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object_type= hypre_SStructVectorObjectType(vector);
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new_vector = hypre_CTAlloc(hypre_SStructVector*,n);
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for (i=0; i < n; i++)
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{
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HYPRE_SStructVectorCreate(hypre_SStructVectorComm(vector),
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hypre_SStructVectorGrid(vector),
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&new_vector[i]);
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HYPRE_SStructVectorSetObjectType(new_vector[i], object_type);
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if (object_type == HYPRE_SSTRUCT || object_type == HYPRE_STRUCT)
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{
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for (part= 0; part< nparts; part++)
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{
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pvector = hypre_SStructVectorPVector(vector, part);
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new_pvector= hypre_SStructVectorPVector(new_vector[i], part);
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nvars = hypre_SStructPVectorNVars(pvector);
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for (var= 0; var< nvars; var++)
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{
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svector= hypre_SStructPVectorSVector(pvector, var);
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num_ghost= hypre_StructVectorNumGhost(svector);
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new_svector= hypre_SStructPVectorSVector(new_pvector, var);
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hypre_StructVectorSetNumGhost(new_svector, num_ghost);
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}
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}
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}
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HYPRE_SStructVectorInitialize(new_vector[i]);
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HYPRE_SStructVectorAssemble(new_vector[i]);
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}
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return ( (void *) new_vector );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovDestroyVector( void *vvector )
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{
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hypre_SStructVector *vector = vvector;
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return( HYPRE_SStructVectorDestroy( vector ) );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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void *
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hypre_SStructKrylovMatvecCreate( void *A,
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void *x )
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{
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void *matvec_data;
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hypre_SStructMatvecCreate( &matvec_data );
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hypre_SStructMatvecSetup( matvec_data,
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(hypre_SStructMatrix *) A,
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(hypre_SStructVector *) x );
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return ( matvec_data );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovMatvec( void *matvec_data,
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double alpha,
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void *A,
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void *x,
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double beta,
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void *y )
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{
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return ( hypre_SStructMatvec( alpha,
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(hypre_SStructMatrix *) A,
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(hypre_SStructVector *) x,
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beta,
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(hypre_SStructVector *) y ) );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovMatvecDestroy( void *matvec_data )
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{
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return ( hypre_SStructMatvecDestroy( matvec_data ) );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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double
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hypre_SStructKrylovInnerProd( void *x,
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void *y )
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{
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double result;
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hypre_SStructInnerProd( (hypre_SStructVector *) x,
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(hypre_SStructVector *) y, &result );
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return result;
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovCopyVector( void *x,
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void *y )
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{
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return ( hypre_SStructCopy( (hypre_SStructVector *) x,
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(hypre_SStructVector *) y ) );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovClearVector( void *x )
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{
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return ( hypre_SStructVectorSetConstantValues( (hypre_SStructVector *) x,
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0.0 ) );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovScaleVector( double alpha,
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void *x )
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{
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return ( hypre_SStructScale( alpha, (hypre_SStructVector *) x ) );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovAxpy( double alpha,
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void *x,
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void *y )
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{
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return ( hypre_SStructAxpy( alpha, (hypre_SStructVector *) x,
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(hypre_SStructVector *) y ) );
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructKrylovCommInfo( void *A,
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HYPRE_Int *my_id,
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HYPRE_Int *num_procs )
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{
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MPI_Comm comm = hypre_SStructMatrixComm((hypre_SStructMatrix *) A);
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hypre_MPI_Comm_size(comm,num_procs);
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hypre_MPI_Comm_rank(comm,my_id);
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return hypre_error_flag;
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}
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