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//------------------------------------------------------------------------------
// GxB_Vector_select: select entries from a vector (deprecated; do not use)
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#define GB_FREE_ALL \
{ \
GrB_Scalar_free (&Thunk) ; \
}
#include "select/GB_select.h"
#include "mask/GB_get_mask.h"
GrB_Info GxB_Vector_select // w<M> = accum (w, select(u,k))
(
GrB_Vector w, // input/output vector for results
const GrB_Vector M_in, // optional mask for w, unused if NULL
const GrB_BinaryOp accum, // optional accum for z=accum(w,t)
const GxB_SelectOp op_in, // operator to apply to the entries
const GrB_Vector u, // first input: vector u
const GrB_Scalar Thunk_in, // optional input for select operator
const GrB_Descriptor desc // descriptor for w and mask
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GB_RETURN_IF_NULL (w) ;
GB_RETURN_IF_NULL (u) ;
GB_RETURN_IF_OUTPUT_IS_READONLY (w) ;
GB_WHERE4 (w, M_in, u, Thunk_in,
"GxB_Vector_select (w, M, accum, op, u, Thunk, desc)") ;
GB_BURBLE_START ("GxB_select:DEPRECATED") ;
// get the descriptor
GB_GET_DESCRIPTOR (info, desc, C_replace, Mask_comp, Mask_struct,
xx1, xx2, xx3, xx7) ;
// get the mask
GrB_Matrix M = GB_get_mask ((GrB_Matrix) M_in, &Mask_comp, &Mask_struct) ;
//--------------------------------------------------------------------------
// convert the GxB_SelectOp to a GrB_IndexUnaryOp, with a new Thunk
//--------------------------------------------------------------------------
GrB_IndexUnaryOp op = NULL ;
GrB_Scalar Thunk = NULL ;
info = GB_selectop_to_idxunop (&op, &Thunk, op_in, Thunk_in, u->type,
Werk) ;
if (info != GrB_SUCCESS)
{
// op is not supported, not compatible, or out of memory
return (info) ;
}
//--------------------------------------------------------------------------
// select the entries; do not transpose; assemble pending entries
//--------------------------------------------------------------------------
info = GB_select (
(GrB_Matrix) w, C_replace, // w and its descriptor
M, Mask_comp, Mask_struct, // mask and its descriptor
accum, // optional accum for Z=accum(C,T)
op, // operator to select the entries
(GrB_Matrix) u, // first input: u
Thunk, // optional input for select op
false, // u, not transposed
Werk) ;
GB_BURBLE_END ;
GB_FREE_ALL ;
return (info) ;
}
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