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function test148
%TEST148 eWiseAdd with aliases
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
fprintf ('test148 ---------------eWiseAdd with alias\n') ;
rng ('default') ;
n = 5 ;
C = sprand (n, n, 0.5) ;
A = sprand (n, n, 0.5) ;
M = sprand (n, n, 0.5) ;
C0 = C + A + A ;
C1 = GB_mex_Matrix_eWiseAdd (C, [ ], 'plus', 'plus', A, A, [ ]) ;
assert (norm (C0 - C1.matrix, 1) < 1e-12) ;
C2 = GB_mex_ewise_alias2 (C, 'plus', A, [ ]) ;
assert (norm (C0 - C2.matrix, 1) < 1e-12) ;
C0 = C + A ;
C2 = GB_mex_ewise_alias1 (C, 'plus', A, [ ]) ;
assert (norm (C0 - C2.matrix, 1) < 1e-12) ;
C2 = GB_mex_ewise_alias3 (C, 'plus', A, [ ]) ;
assert (norm (C0 - C2.matrix, 1) < 1e-12) ;
C = sparse (rand (n)) ;
A = sparse (rand (n)) ;
C0 = C + A + A ;
C1 = GB_mex_Matrix_eWiseAdd (C, [ ], 'plus', 'plus', A, A, [ ]) ;
assert (norm (C0 - C1.matrix, 1) < 1e-12) ;
C2 = GB_mex_ewise_alias2 (C, 'plus', A, [ ]) ;
assert (norm (C0 - C2.matrix, 1) < 1e-12) ;
C0 = C + A ;
C2 = GB_mex_ewise_alias1 (C, 'plus', A, [ ]) ;
assert (norm (C0 - C2.matrix, 1) < 1e-12) ;
C2 = GB_mex_ewise_alias3 (C, 'plus', A, [ ]) ;
assert (norm (C0 - C2.matrix, 1) < 1e-12) ;
desc = struct ('mask', 'structural') ;
C1 = GB_mex_Matrix_eWiseAdd (C, M, [ ], 'plus', M, M, desc) ;
C2 = GB_mex_ewise_alias4 (C, M, 'plus', desc) ;
assert (norm (C1.matrix - C2.matrix, 1) < 1e-12) ;
M = sparse (true (n)) ;
C1 = GB_mex_Matrix_eWiseAdd (C, M, [ ], 'plus', M, M, desc) ;
C2 = GB_mex_ewise_alias4 (C, M, 'plus', desc) ;
assert (norm (C1.matrix - C2.matrix, 1) < 1e-12) ;
% #define USAGE "C = GB_mex_ewise_alias5 (C, M, op, A, desc)"
C1 = GB_mex_Matrix_eWiseAdd (C, M, [ ], 'plus', A, M, desc) ;
C2 = GB_mex_ewise_alias5 (C, M, 'plus', A, desc) ;
assert (norm (C1.matrix - C2.matrix, 1) < 1e-12) ;
% C<M> = A+M
A = sparse (rand (n)) ;
M = sprand (n, n, 0.05) ;
C1 = GB_mex_Matrix_eWiseAdd (C, M, [ ], 'plus', A, M, desc) ;
C2 = GB_mex_ewise_alias5 (C, M, 'plus', A, desc) ;
assert (norm (C1.matrix - C2.matrix, 1) < 1e-12) ;
% C<M> = M+A
C1 = GB_mex_Matrix_eWiseAdd (C, M, [ ], 'plus', M, A, desc) ;
C2 = GB_mex_ewise_alias6 (C, M, 'plus', A, desc) ;
assert (norm (C1.matrix - C2.matrix, 1) < 1e-12) ;
fprintf ('test148: all tests passed\n') ;
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