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function test172
%TEST172 eWiseMult with M bitmap/full
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default') ;
fprintf ('test172:\n') ;
n = 500 ;
A = GB_spec_random (n, n, 0.05, 1, 'double') ;
A.sparsity = 2 ; % sparse
B = GB_spec_random (n, n, 0.05, 1, 'double') ;
B.sparsity = 2 ; % sparse
M = GB_spec_random (n, n, 0.1, 1, 'double') ;
M.matrix (1,1) = 1 ;
M.pattern (1,1) = true ;
M.sparsity = 4 ; % bitmap
Cin = sparse (n,n) ;
C1 = GB_spec_Matrix_eWiseMult (Cin, M, [ ], 'times', A, B, [ ]) ;
C2 = GB_mex_Matrix_eWiseMult (Cin, M, [ ], 'times', A, B, [ ]) ;
C3 = spones (M.matrix) .* (A.matrix .* B.matrix) ;
GB_spec_compare (C1, C2) ;
GB_spec_compare (C1, C3) ;
A2 = A ;
B2 = B ;
A2.matrix (:,1) = sprand (n, 1, 0.9) ;
A2.pattern = logical (A2.matrix) ;
B2.matrix (:,1) = sprand (n, 1, 0.01) ;
B2.matrix (1,1) = 3 ;
B2.pattern = logical (B2.matrix) ;
C1 = GB_spec_Matrix_eWiseMult (Cin, M, [ ], 'times', A2, B2, [ ]) ;
C2 = GB_mex_Matrix_eWiseMult (Cin, M, [ ], 'times', A2, B2, [ ]) ;
C3 = spones (M.matrix) .* (A2.matrix .* B2.matrix) ;
GB_spec_compare (C1, C2) ;
GB_spec_compare (C1, C3) ;
C1 = GB_spec_Matrix_eWiseMult (Cin, M, [ ], 'times', B2, A2, [ ]) ;
C2 = GB_mex_Matrix_eWiseMult (Cin, M, [ ], 'times', B2, A2, [ ]) ;
C3 = spones (M.matrix) .* (B2.matrix .* A2.matrix) ;
GB_spec_compare (C1, C2) ;
GB_spec_compare (C1, C3) ;
fprintf ('test172: all tests passed\n') ;
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