1function w = GB_spec_Vector_eWiseAdd (w, mask, accum, add, u, v, descriptor)
2%GB_SPEC_VECTOR_EWISEADD a MATLAB mimic of GrB_Vector_eWiseAdd
3%
4% Usage:
5% w = GB_spec_Vector_eWiseAdd (w, mask, accum, add, u, v, descriptor)
6%
7% Computes w<mask> = accum(w,t), in GraphBLAS notation, where t =u+v,
8% The pattern of t is the union of u and v.
9
10% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
11% SPDX-License-Identifier: Apache-2.0
12
13%-------------------------------------------------------------------------------
14% get inputs
15%-------------------------------------------------------------------------------
16
17if (nargout > 1 || nargin ~= 7)
18    error ('usage: C = GB_spec_Vector_eWiseAdd (w, mask, accum, add, u, v, descriptor)') ;
19end
20
21% make sure u is a column vector
22if (isstruct (u))
23    n = size (u.matrix, 2) ;
24else
25    n = size (u, 2);
26end
27if (n ~= 1)
28    error ('u must be a vector') ;
29end
30
31% GraphBLAS does not allow u or v to be transposed via the descriptor
32if (isfield (descriptor, 'inp0'))
33    descriptor = rmfield (descriptor, 'inp0') ;
34end
35if (isfield (descriptor, 'inp1'))
36    descriptor = rmfield (descriptor, 'inp1') ;
37end
38
39w = GB_spec_Matrix_eWiseAdd (w, mask, accum, add, u, v, descriptor) ;
40
41
42