unloadihdrt.m

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function tid= unloadIHDRT()
% Release the allocated memory and unload the IHDRDLL module
% [ret] = closeIHDRT()
%
% OUTPUT:  
%  ret   - return value 0: success, 1: fail
if libisloaded('IHDRDLL')
    ret = calllib('IHDRDLL','Clear');
    unloadlibrary('IHDRDLL');
else
    ret = -1;
end