RTOp_SparseSubVector.c

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00001 /*
00002 // @HEADER
00003 // ***********************************************************************
00004 // 
00005 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00006 //                  Copyright (2003) Sandia Corporation
00007 // 
00008 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00009 // license for use of this work by or on behalf of the U.S. Government.
00010 // 
00011 // This library is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Lesser General Public License as
00013 // published by the Free Software Foundation; either version 2.1 of the
00014 // License, or (at your option) any later version.
00015 //  
00016 // This library is distributed in the hope that it will be useful, but
00017 // WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00019 // Lesser General Public License for more details.
00020 //  
00021 // You should have received a copy of the GNU Lesser General Public
00022 // License along with this library; if not, write to the Free Software
00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00024 // USA
00025 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
00026 // 
00027 // ***********************************************************************
00028 // @HEADER
00029 */
00030 
00031 #include "RTOp_SparseSubVector.h"
00032 
00033 void RTOp_sparse_sub_vector(
00034   RTOp_index_type global_offset, RTOp_index_type sub_dim
00035   ,RTOp_index_type sub_nz, const RTOp_value_type values[], ptrdiff_t values_stride
00036   ,const RTOp_index_type indices[], ptrdiff_t indices_stride
00037   ,ptrdiff_t local_offset, int is_sorted
00038   ,struct RTOp_SparseSubVector *sub_vec
00039   )
00040 {
00041   /* Validate input */
00042 #ifdef RTOp_DEBUG
00043   assert( sub_vec );
00044   assert(
00045     ( sub_nz && ( values != NULL && indices != NULL && indices_stride != 0 && sub_nz <= sub_dim ) )
00046     || !sub_nz || ( sub_nz == sub_dim && indices == NULL )
00047     );
00048 #endif
00049   /* Set members */
00050   sub_vec->global_offset  = global_offset;
00051   sub_vec->sub_dim        = sub_dim;
00052   sub_vec->sub_nz         = sub_nz;
00053   sub_vec->values         = values;
00054   sub_vec->values_stride  = values_stride;
00055   sub_vec->indices        = indices;
00056   sub_vec->indices_stride = indices_stride;
00057   sub_vec->local_offset   = local_offset;
00058   sub_vec->is_sorted      = is_sorted;
00059 }
00060 
00061 void RTOp_sparse_sub_vector_null( struct RTOp_SparseSubVector *sub_vec )
00062 {
00063   sub_vec->global_offset  = 0;
00064   sub_vec->sub_dim        = 0;
00065   sub_vec->sub_nz         = 0;
00066   sub_vec->values         = NULL;
00067   sub_vec->values_stride  = 0;
00068   sub_vec->indices        = NULL;
00069   sub_vec->indices_stride = 0;
00070   sub_vec->local_offset   = 0;
00071   sub_vec->is_sorted      = 0;
00072 }
00073 
00074 void RTOp_sparse_sub_vector_from_dense(
00075   const struct RTOp_SubVector     *sub_vec
00076   ,struct RTOp_SparseSubVector    *spc_sub_vec
00077   )
00078 {
00079   spc_sub_vec->global_offset  = sub_vec->global_offset;
00080   spc_sub_vec->sub_dim        = sub_vec->sub_dim;
00081   spc_sub_vec->sub_nz         = sub_vec->sub_dim;
00082   spc_sub_vec->values         = sub_vec->values;
00083   spc_sub_vec->values_stride  = sub_vec->values_stride;
00084   spc_sub_vec->indices        = NULL;
00085   spc_sub_vec->indices_stride = 0;
00086   spc_sub_vec->local_offset   = 0;
00087   spc_sub_vec->is_sorted      = 0;
00088 }

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