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function test202
%TEST202 test iso add and emult
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
% GB_mex_burble (1) ;
n = 10 ;
A.matrix = pi * spones (sprandn (n, n, 0.5)) ;
A.class = 'double' ;
A.iso = true ;
B.matrix = pi * spones (sprandn (n, n, 0.5)) ;
B.class = 'double' ;
B.iso = true ;
op_plus.opname = 'plus' ;
op_plus.optype = 'double' ;
op_first.opname = 'first' ;
op_first.optype = 'double' ;
op_first_single.opname = 'first' ;
op_first_single.optype = 'single' ;
op_second.opname = 'second' ;
op_second.optype = 'double' ;
op_second_single.opname = 'second' ;
op_second_single.optype = 'single' ;
op_max.opname = 'max' ;
op_max.optype = 'double' ;
op_times.opname = 'times' ;
op_times.optype = 'double' ;
op_times_single.opname = 'times' ;
op_times_single.optype = 'single' ;
for A_sparsity = [1 2 4]
for B_sparsity = [1 2 4]
A.sparsity = A_sparsity ;
B.sparsity = B_sparsity ;
Cin = sparse (n,n) ;
C1 = GB_mex_Matrix_eWiseAdd (Cin, [ ], [ ], op_plus, A, B, [ ]) ;
C2 = A.matrix + B.matrix ;
err = norm (C1.matrix - C2, 1) ;
assert (err < 1e-12)
assert (~C1.iso) ;
Cin = sparse (n,n) ;
C1 = GB_mex_Matrix_eWiseMult (Cin, [ ], [ ], op_first_single, A, B, [ ]) ;
C2 = pi * spones (A.matrix .* B.matrix) ;
err = norm (C1.matrix - C2, 1) ;
assert (err < 1e-6)
assert (C1.iso) ;
Cin = sparse (n,n) ;
C1 = GB_mex_Matrix_eWiseMult (Cin, [ ], [ ], op_first, A, B, [ ]) ;
C2 = pi * spones (A.matrix .* B.matrix) ;
err = norm (C1.matrix - C2, 1) ;
assert (err < 1e-12)
assert (C1.iso) ;
Cin = sparse (n,n) ;
C1 = GB_mex_Matrix_eWiseMult (Cin, [ ], [ ], op_second_single, A, B, [ ]) ;
C2 = pi * spones (A.matrix .* B.matrix) ;
err = norm (C1.matrix - C2, 1) ;
assert (err < 1e-6)
assert (C1.iso) ;
Cin = sparse (n,n) ;
C1 = GB_mex_Matrix_eWiseMult (Cin, [ ], [ ], op_second, A, B, [ ]) ;
C2 = pi * spones (A.matrix .* B.matrix) ;
err = norm (C1.matrix - C2, 1) ;
assert (err < 1e-12)
assert (C1.iso) ;
Cin = sparse (n,n) ;
C1 = GB_mex_Matrix_eWiseMult (Cin, [ ], [ ], op_times_single, A, B, [ ]) ;
C2 = A.matrix .* B.matrix ;
err = norm (C1.matrix - C2, 1) ;
assert (err < 1e-5)
assert (C1.iso) ;
Cin = sparse (n,n) ;
C1 = GB_mex_Matrix_eWiseMult (Cin, [ ], [ ], op_times, A, B, [ ]) ;
C2 = A.matrix .* B.matrix ;
err = norm (C1.matrix - C2, 1) ;
assert (err < 1e-12)
assert (C1.iso) ;
Cin = sparse (n,n) ;
C1 = GB_mex_Matrix_eWiseAdd (Cin, [ ], [ ], op_max, A, B, [ ]) ;
C2 = max (A.matrix, B.matrix) ;
err = norm (C1.matrix - C2, 1) ;
assert (err < 1e-12)
assert (C1.iso) ;
end
end
% GB_mex_burble (0) ;
fprintf ('test202: all tests passed\n') ;
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