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function C = xor (A, B)
%XOR logical exclusive OR.
% C = xor (A,B) is the element-by-element logical OR of A and B. One or
% both may be scalars. Otherwise, A and B must have the same size.
%
% See also GrB/and, GrB/or, GrB/not.
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
if (isobject (A))
A = A.opaque ;
end
if (isobject (B))
B = B.opaque ;
end
if (gb_isscalar (A))
if (gb_isscalar (B))
% A and B are scalars
C = GrB (gbemult (A, 'xor.logical', B)) ;
else
% A is a scalar, B is a matrix
if (gb_scalar (A) == 0)
% A is false, so C is B typecasted to logical
C = GrB (gbnew (B, 'logical')) ;
else
% A is true, so C is a full matrix the same size as B
C = GrB (gbapply ('~', gbfull (B, 'logical'))) ;
end
end
else
if (gb_isscalar (B))
% A is a matrix, B is a scalar
if (gb_scalar (B) == 0)
% B is false, so C is A typecasted to logical
C = GrB (gbnew (A, 'logical')) ;
else
% B is true, so C is a full matrix the same size as A
C = GrB (gbapply ('~', gbfull (A, 'logical'))) ;
end
else
% both A and B are matrices. C is the set union of A and B
C = GrB (gbeadd (A, 'xor.logical', B)) ;
end
end
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