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RTOp_SparseSubVector.c
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00005 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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00042 */
00043 
00044 #include "RTOp_SparseSubVector.h"
00045 
00046 void RTOp_sparse_sub_vector(
00047   RTOp_index_type global_offset, RTOp_index_type sub_dim
00048   ,RTOp_index_type sub_nz, const RTOp_value_type values[], ptrdiff_t values_stride
00049   ,const RTOp_index_type indices[], ptrdiff_t indices_stride
00050   ,ptrdiff_t local_offset, int is_sorted
00051   ,struct RTOp_SparseSubVector *sub_vec
00052   )
00053 {
00054   /* Validate input */
00055 #ifdef RTOp_DEBUG
00056   assert( sub_vec );
00057   assert(
00058     ( sub_nz && ( values != NULL && indices != NULL && indices_stride != 0 && sub_nz <= sub_dim ) )
00059     || !sub_nz || ( sub_nz == sub_dim && indices == NULL )
00060     );
00061 #endif
00062   /* Set members */
00063   sub_vec->global_offset  = global_offset;
00064   sub_vec->sub_dim        = sub_dim;
00065   sub_vec->sub_nz         = sub_nz;
00066   sub_vec->values         = values;
00067   sub_vec->values_stride  = values_stride;
00068   sub_vec->indices        = indices;
00069   sub_vec->indices_stride = indices_stride;
00070   sub_vec->local_offset   = local_offset;
00071   sub_vec->is_sorted      = is_sorted;
00072 }
00073 
00074 void RTOp_sparse_sub_vector_null( struct RTOp_SparseSubVector *sub_vec )
00075 {
00076   sub_vec->global_offset  = 0;
00077   sub_vec->sub_dim        = 0;
00078   sub_vec->sub_nz         = 0;
00079   sub_vec->values         = NULL;
00080   sub_vec->values_stride  = 0;
00081   sub_vec->indices        = NULL;
00082   sub_vec->indices_stride = 0;
00083   sub_vec->local_offset   = 0;
00084   sub_vec->is_sorted      = 0;
00085 }
00086 
00087 void RTOp_sparse_sub_vector_from_dense(
00088   const struct RTOp_SubVector     *sub_vec
00089   ,struct RTOp_SparseSubVector    *spc_sub_vec
00090   )
00091 {
00092   spc_sub_vec->global_offset  = sub_vec->global_offset;
00093   spc_sub_vec->sub_dim        = sub_vec->sub_dim;
00094   spc_sub_vec->sub_nz         = sub_vec->sub_dim;
00095   spc_sub_vec->values         = sub_vec->values;
00096   spc_sub_vec->values_stride  = sub_vec->values_stride;
00097   spc_sub_vec->indices        = NULL;
00098   spc_sub_vec->indices_stride = 0;
00099   spc_sub_vec->local_offset   = 0;
00100   spc_sub_vec->is_sorted      = 0;
00101 }
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