1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
function C = gb_emult (A, op, B)
%GB_EMULT C = A.*B, sparse matrix element-wise multiplication.
% C = gb_emult (A, op, B) computes the element-wise multiplication of A
% and B using the operator op, where the op is '*' for C=A.*B. If both A
% and B are matrices, the pattern of C is the intersection of A and B. If
% one is a scalar, the pattern of C is the same as the pattern of the one
% matrix.
%
% The input matrices may be either GraphBLAS structs and/or built-in
% matrices, in any combination. C is returned as a GraphBLAS struct.
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
if (gb_isscalar (A))
if (gb_isscalar (B))
% both A and B are scalars
C = gbemult (A, op, B) ;
else
% A is a scalar, B is a matrix
C = gbapply2 (gbfull (A), op, B) ;
end
else
if (gb_isscalar (B))
% A is a matrix, B is a scalar
C = gbapply2 (A, op, gbfull (B)) ;
else
% both A and B are matrices
C = gbemult (A, op, B) ;
end
end
|
