function test_failed = test_libltfat_ifft(varargin)
test_failed = 0;

fprintf(' ===============  %s ================ \n',upper(mfilename));

definput.flags.complexity={'double','single'};
[flags]=ltfatarghelper({},definput,varargin);
dataPtr = [flags.complexity, 'Ptr'];

[~,~,enuminfo]=libltfatprotofile;
phaseconv = enuminfo.ltfat_phaseconvention;

fftwflags = struct('FFTW_MEASURE',0,'FFTW_ESTIMATE',64,'FFTW_PATIENT',32,'FFTW_DESTROY_INPUT',1,...
    'FFTW_UNALIGNED',2,'FFTW_EXHAUSTIVE',8,'FFTW_PRESERVE_INPUT',16);

Larr  = [350 350   9   1];
Warr  = [  1   3   3   1];


    for idx = 1:numel(Larr)
        L = Larr(idx);
        W = Warr(idx);

        f = randn(L,W,flags.complexity) + 1i*randn(L,W,flags.complexity);   
        fin = complex2interleaved(f);
        fPtr = libpointer(dataPtr,fin);
        
        c = cast(randn(L,W)+1i*randn(L,W),flags.complexity);
        cout = complex2interleaved(c);
        coutPtr = libpointer(dataPtr,cout);

        truec = ifft(f)*L;

        funname = makelibraryname('ifft',flags.complexity,0);
        status = calllib('libltfat',funname,fPtr,L,W,coutPtr);

        res = norm(truec - interleaved2complex(coutPtr.Value),'fro');
        [test_failed,fail]=ltfatdiditfail(res+status,test_failed);
        fprintf(['ifft   L:%3i, W:%3i, %s %s %s\n'],L,W,flags.complexity,ltfatstatusstring(status),fail);

        % With plan
        c = cast(randn(L,W)+1i*randn(L,W),flags.complexity);
        cout = complex2interleaved(c);
        coutPtr = libpointer(dataPtr,cout);

        plan = libpointer();
        funname = makelibraryname('ifft_init',flags.complexity,0);
        statusInit = calllib('libltfat',funname,L,W,fPtr,coutPtr, fftwflags.FFTW_MEASURE, plan);

        funname = makelibraryname('ifft_execute',flags.complexity,0);
        statusExecute = calllib('libltfat',funname,plan);

        res = norm(truec - interleaved2complex(coutPtr.Value),'fro');
        [test_failed,fail]=ltfatdiditfail(res+statusInit,test_failed);
        fprintf(['ifft L:%3i, W:%3i, %s %s %s\n'],L,W,flags.complexity,ltfatstatusstring(status),fail);
        
        c = cast(randn(L,W)+1i*randn(L,W),flags.complexity);
        cout = complex2interleaved(c);
        coutPtr = libpointer(dataPtr,cout);
        
        funname = makelibraryname('ifft_execute_newarray',flags.complexity,0);
        statusExecute = calllib('libltfat',funname,plan,fPtr,coutPtr);
        
        res = norm(truec - interleaved2complex(coutPtr.Value),'fro');
        [test_failed,fail]=ltfatdiditfail(res+statusInit,test_failed);
        fprintf(['FFT L:%3i, W:%3i, %s %s %s\n'],L,W,flags.complexity,ltfatstatusstring(status),fail);        
        
        funname = makelibraryname('ifft_done',flags.complexity,0);
        statusDone = calllib('libltfat',funname,plan);

       
        %%%%%% Inplace
        c = f;
        cout = complex2interleaved(c);
        coutPtr = libpointer(dataPtr,cout);

        plan = libpointer();
        funname = makelibraryname('ifft_init',flags.complexity,0);
        statusInit = calllib('libltfat',funname,L,W, coutPtr, coutPtr, fftwflags.FFTW_MEASURE, plan);

        funname = makelibraryname('ifft_execute',flags.complexity,0);
        statusExecute = calllib('libltfat',funname,plan);

        res = norm(truec - interleaved2complex(coutPtr.Value),'fro');
        [test_failed,fail]=ltfatdiditfail(res+statusInit,test_failed);
        fprintf(['FFT L:%3i, W:%3i, %s %s %s\n'],L,W,flags.complexity,ltfatstatusstring(status),fail);
        
        c = f;
        cout = complex2interleaved(c);
        coutPtr = libpointer(dataPtr,cout);
        
        funname = makelibraryname('ifft_execute_newarray',flags.complexity,0);
        statusExecute = calllib('libltfat',funname,plan,coutPtr,coutPtr);
        
        res = norm(truec - interleaved2complex(coutPtr.Value),'fro');
        [test_failed,fail]=ltfatdiditfail(res+statusInit,test_failed);
        fprintf(['FFT L:%3i, W:%3i, %s %s %s\n'],L,W,flags.complexity,ltfatstatusstring(status),fail);        
        
        funname = makelibraryname('ifft_done',flags.complexity,0);
        statusDone = calllib('libltfat',funname,plan);
        
        
        
    end



%-*- texinfo -*-
%@deftypefn {Function} test_libltfat_ifft
%@verbatim
%@end verbatim
%@strong{Url}: @url{http://ltfat.github.io/doc/libltfat/modules/libltfat/testing/mUnit/test_libltfat_ifft.html}
%@end deftypefn

% Copyright (C) 2005-2016 Peter L. Soendergaard <peter@sonderport.dk>.
% This file is part of LTFAT version 2.3.1
%
% 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/>.

