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function test11
%TEST11 test GrB_*_extractTuples
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
[~, ~, ~, types, ~, ~] = GB_spec_opsall ;
types = types.all ;
fprintf ('\n------------ testing GrB_extractTuples') ;
rng ('default') ;
% type of the output X
for k1 = 1:length (types)
xtype = types {k1} ;
fprintf ('\n%-14s ', xtype) ;
% type of the matrix A
for k2 = 1:length (types)
atype = types {k2} ;
% create a matrix
fprintf ('.') ;
for m = [1 10 25]
for n = [1 10 25]
clear A
A = GB_spec_random (m, n, 0.1, 32, atype) ;
clear B
B = GB_spec_random (m*n, 1, 0.1, 32, atype) ;
for method = 0:1
if (method == 1)
xtyp = atype ;
else
xtyp = xtype ;
end
for A_is_hyper = 0:1
for A_is_csc = 0:1
A.is_hyper = A_is_hyper ;
A.is_csc = A_is_csc ;
[I1, J1, X1] = GB_mex_extractTuples (A, xtyp, method);
[I2, J2, X2] = GB_spec_extractTuples (A, xtyp, method);
% If A is CSR, the extraction returns tuples in row
% major order, but GB_spec_extractTuples always returns
% the tuples in column major order. Either way is fine
% since the order does not matter.
[~,p1] = sortrows ([I1 J1]) ;
I1 = I1 (p1) ;
J1 = J1 (p1) ;
X1 = X1 (p1) ;
[~,p2] = sortrows ([I2 J2]) ;
I2 = I2 (p2) ;
J2 = J2 (p2) ;
X2 = X2 (p2) ;
assert (isequal (I1, I2)) ;
assert (isequal (J1, J2)) ;
assert (isequal (X1, X2)) ;
end
end
[I1, J1, X1] = GB_mex_extractTuples (B, xtyp, method) ;
[I2, J2, X2] = GB_spec_extractTuples (B, xtyp, method) ;
assert (isequal (I1, I2)) ;
assert (isequal (J1, J2)) ;
assert (isequal (X1, X2)) ;
clear I1
[I1] = GB_mex_extractTuples (B, xtyp, method) ;
assert (isequal (I1, I2)) ;
end
end
end
end
end
% iso bitmap case
clear A
A.matrix = pi * sparse (rand (5) > 0.5) ;
A.iso = true ;
A.sparsity = 4 ;
for method = 0:1
[I1, J1, X1] = GB_mex_extractTuples (A, 'double', method) ;
[I2, J2, X2] = GB_spec_extractTuples (A, 'double', method) ;
assert (isequal (I1, I2)) ;
assert (isequal (J1, J2)) ;
assert (isequal (X1, X2)) ;
end
fprintf ('\ntest11: all tests passed\n') ;
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