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function test224
%TEST224 unpack/pack
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default')
fprintf ('\ntest224: unpack/pack 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 fmt_matrix = fmts
for fmt_export = 0:11
try
C = GB_mex_unpack_pack (A, fmt_matrix, fmt_export) ;
GB_spec_compare (C, A) ;
catch me
% should fail if A is sparse and it is attempted to
% be exported as full
ok = is_sparse && ...
(fmt_export == 6 || fmt_export == 7 || ...
fmt_export == -6 || fmt_export == -7) ;
if (~ok)
% this should not have failed
me
me.message
assert (false) ;
end
end
end
end
end
end
end
fprintf ('\ntest224: all tests passed\n') ;
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