69 lines
2.0 KiB
C
69 lines
2.0 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 scale routine
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*
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*****************************************************************************/
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#include "_hypre_sstruct_mv.h"
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructPScale( double alpha,
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hypre_SStructPVector *py )
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{
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HYPRE_Int nvars = hypre_SStructPVectorNVars(py);
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HYPRE_Int var;
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for (var = 0; var < nvars; var++)
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{
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hypre_StructScale(alpha, hypre_SStructPVectorSVector(py, var));
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}
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return hypre_error_flag;
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}
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/*--------------------------------------------------------------------------
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*--------------------------------------------------------------------------*/
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HYPRE_Int
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hypre_SStructScale( double alpha,
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hypre_SStructVector *y )
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{
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HYPRE_Int nparts = hypre_SStructVectorNParts(y);
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HYPRE_Int part;
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HYPRE_Int y_object_type= hypre_SStructVectorObjectType(y);
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if (y_object_type == HYPRE_SSTRUCT)
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{
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for (part = 0; part < nparts; part++)
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{
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hypre_SStructPScale(alpha, hypre_SStructVectorPVector(y, part));
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}
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}
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else if (y_object_type == HYPRE_PARCSR)
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{
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hypre_ParVector *y_par;
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hypre_SStructVectorConvert(y, &y_par);
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hypre_ParVectorScale(alpha, y_par);
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}
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return hypre_error_flag;
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}
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