63 lines
2.3 KiB
C
63 lines
2.3 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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* Header info for Vector data structure
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*
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*****************************************************************************/
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#ifndef hypre_VECTOR_HEADER
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#define hypre_VECTOR_HEADER
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/*--------------------------------------------------------------------------
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* hypre_Vector
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*--------------------------------------------------------------------------*/
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typedef struct
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{
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double *data;
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int size;
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/* Does the Vector create/destroy `data'? */
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int owns_data;
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/* For multivectors...*/
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int num_vectors; /* the above "size" is size of one vector */
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int multivec_storage_method;
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/* ...if 0, store colwise v0[0], v0[1], ..., v1[0], v1[1], ... v2[0]... */
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/* ...if 1, store rowwise v0[0], v1[0], ..., v0[1], v1[1], ... */
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/* With colwise storage, vj[i] = data[ j*size + i]
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With rowwise storage, vj[i] = data[ j + num_vectors*i] */
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int vecstride, idxstride;
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/* ... so vj[i] = data[ j*vecstride + i*idxstride ] regardless of row_storage.*/
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} hypre_Vector;
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/*--------------------------------------------------------------------------
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* Accessor functions for the Vector structure
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*--------------------------------------------------------------------------*/
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#define hypre_VectorData(vector) ((vector) -> data)
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#define hypre_VectorSize(vector) ((vector) -> size)
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#define hypre_VectorOwnsData(vector) ((vector) -> owns_data)
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#define hypre_VectorNumVectors(vector) ((vector) -> num_vectors)
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#define hypre_VectorMultiVecStorageMethod(vector) ((vector) -> multivec_storage_method)
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#define hypre_VectorVectorStride(vector) ((vector) -> vecstride )
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#define hypre_VectorIndexStride(vector) ((vector) -> idxstride )
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#endif
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