function coef=framenative2coef(F,coef);
%FRAMENATIVE2COEF Convert coefficient from native format
% Usage: coef=framenative2coef(F,coef);
%
% FRAMENATIVE2COEF(F,coef) converts the frame coefficients from the
% native format of the transform into the common column format.
%
% See also: frame, framecoef2native
%
% Url: http://ltfat.github.io/doc/frames/framenative2coef.html
% Copyright (C) 2005-2023 Peter L. Soendergaard <peter@sonderport.dk> and others.
% This file is part of LTFAT version 2.6.0
%
% 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/>.
complainif_notenoughargs(nargin,2,'FRAMENATIVE2COEF');
complainif_notvalidframeobj(F,'FRAMENATIVE2COEF');
% .native2coef is not a mandatory field
if isfield(F,'native2coef')
coef=F.native2coef(coef);
end