function p = quadtfdist(f, q)
%QUADTFDIST Quadratic time-frequency distribution
% Usage p = quadtfdist(f, q);
%
% Input parameters:
% f : Input vector:w
% q : Kernel
%
% Output parameters:
% p : Quadratic time-frequency distribution
%
% For an input vector of length L, the kernel should be a L x L matrix.
% QUADTFDIST(f, q); computes a discrete quadratic time-frequency
% distribution.
%
%
% Url: http://ltfat.github.io/doc/quadratic/quadtfdist.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/>.
% AUTHOR: Jordy van Velthoven
complainif_notenoughargs(nargin, 2, 'QUADTFDIST');
[M,N] = size(q);
if ~all(M==N)
error('%s: The kernel should be a square matrix.', upper(mfilename));
end
[f,~,Ls,W,~,permutedsize,order]=assert_sigreshape_pre(f,[],[],upper(mfilename));
p = comp_quadtfdist(f, q);