2 * svrt is the ``Synthetic Visual Reasoning Test'', an image
3 * generator for evaluating classification performance of machine
4 * learning systems, humans and primates.
6 * Copyright (c) 2009 Idiap Research Institute, http://www.idiap.ch/
7 * Written by Francois Fleuret <francois.fleuret@idiap.ch>
9 * This file is part of svrt.
11 * svrt is free software: you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License version 3 as
13 * published by the Free Software Foundation.
15 * svrt is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with selector. If not, see <http://www.gnu.org/licenses/>.
25 #ifndef DISCRETE_DENSITY_H
26 #define DISCRETE_DENSITY_H
30 class DiscreteDensityTree {
31 scalar_t _proba_tree0;
32 DiscreteDensityTree *_tree0, *_tree1;
35 DiscreteDensityTree(scalar_t *proba, int first_value, int nb_values);
36 ~DiscreteDensityTree();
40 class DiscreteDensity {
41 DiscreteDensityTree *_sampling_tree;
43 scalar_t *_probas, *_log_probas;
45 DiscreteDensity(int nb_values);
48 void set_non_normalized_proba(int n, scalar_t p);
52 scalar_t proba(int n);
53 scalar_t log_proba(int n);