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function test_failed=test_zak
disp(' =============== TEST_ZAK ================');
Lr=[1,12,12,12,12,12,15,15,15];
Kr=[1, 1, 2, 3, 4, 6, 3, 5,15];
ref_failed=0;
inv_failed=0;
W=1;
for ii=1:length(Lr)
L=Lr(ii);
K=Kr(ii);
f=tester_rand(L,W)+i*rand(L,W)-.5-i*.5;
ccref=ref_zak(f,K);
cc=zak(f,K);
r=izak(cc);
res=ccref-cc;
nres=norm(res(:));
ninv=norm(f-r);
s=sprintf('REF L:%3i K:%3i %0.5g',L,K,nres);
disp(s)
[ref_failed,fail]=ltfatdiditfail(nres,ref_failed);
% if nres>10e-10
% disp('FAILED');
% ref_failed=ref_failed+1;
% end;
s=sprintf('INV L:%3i K:%3i %0.5g',L,K,ninv);
disp(s)
[inv_failed,fail]=ltfatdiditfail(ninv,inv_failed);
% if nres>10e-10
% disp('FAILED');
% inv_failed=inv_failed+1;
% end;
end;
test_failed=ref_failed+inv_failed;
%-*- texinfo -*-
%@deftypefn {Function} test_zak
%@verbatim
%@end verbatim
%@strong{Url}: @url{http://ltfat.github.io/doc/testing/test_zak.html}
%@end deftypefn
% Copyright (C) 2005-2016 Peter L. Soendergaard <peter@sonderport.dk>.
% This file is part of LTFAT version 2.2.0
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program. If not, see <http://www.gnu.org/licenses/>.
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