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+//////////////////////////////////////////////////////////////////////////////////
+// This program is free software: you can redistribute it and/or modify         //
+// it under the terms of the version 3 of the GNU General Public License        //
+// as published by the Free Software Foundation.                                //
+//                                                                              //
+// 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/>.         //
+//                                                                              //
+// Written by Francois Fleuret                                                  //
+// (C) Ecole Polytechnique Federale de Lausanne                                 //
+// Contact <pom@epfl.ch> for comments & bug reports                             //
+//////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLOBAL_H
+#define GLOBAL_H
+
+#include "misc.h"
+
+// We used the same prior at every location, but POMSolver::solve
+// takes as parameter a vector of priors if you want
+extern scalar_t global_prior;
+
+// The parameters of the Normal law for the conditional image density,
+// given the true state. Mu does not appear in the paper, sigma does.
+extern scalar_t global_mu_image_density;
+extern scalar_t global_sigma_image_density;
+
+// When we iterate the solver, we smooth the estimate to prevent from
+// oscillating effects that tend to appear naturally
+extern scalar_t global_smoothing_coefficient;
+
+// Ugly parameters for defining the convergence of the solver. I guess
+// there are far better ways to do
+
+// Hard bound on the number of iterations
+extern int global_max_nb_solver_iterations;
+
+// What error is considered acceptable
+extern scalar_t global_error_max;
+
+// How many steps under the global_error_max defines convergence
+extern int global_nb_stable_error_for_convergence;
+
+// If the probability of absence is greated than that, ignore the
+// avatar in the computation of the average image to save computation
+extern scalar_t global_proba_ignored;
+
+#endif