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function test104
%TEST104 export/import
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default')
fprintf ('\ntest104: export/import tests\n') ;
for m = [0 1 5 100]
for n = [0 1 5 100]
if (n == 1)
fmts = [-9:-1 1:9] ;
else
fmts = [1:9] ;
end
for d = [0 0.1 0.5 inf]
A = GB_spec_random (m, n, d) ;
nz = nnz (A.pattern) ;
is_sparse = (nz < m*n) ;
fprintf ('.') ;
for fmat = fmts
for fexport = 0:14
try
C1 = GB_mex_export_import (A, fmat, fexport) ;
GB_spec_compare (C1, A) ;
C2 = GB_mex_export_import (A, fmat, fexport, 1) ;
GB_spec_compare (C2, A) ;
C3 = GB_mex_export_import (A, fmat, fexport, 502) ;
GB_spec_compare (C3, A) ;
catch me
% should fail if A is sparse and it is attempted to
% be exported as full
ok = is_sparse && ...
(fexport == 6 || fexport == 7 || ...
fexport == -6 || fexport == -7 || ...
fexport == 16 || fexport == 15 || ...
fexport == -16 || fexport == -15) ;
if (~ok)
% this should not have failed
me
me.message
assert (false) ;
end
end
end
end
end
end
end
fprintf ('\ntest104: all tests passed\n') ;
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