--- /dev/null
+
+///////////////////////////////////////////////////////////////////////////
+// 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) IDIAP //
+// Contact <francois.fleuret@idiap.ch> for comments & bug reports //
+///////////////////////////////////////////////////////////////////////////
+
+#ifndef TOOLS_H
+#define TOOLS_H
+
+#include <iostream>
+#include "misc.h"
+
+scalar_t robust_sampling(int nb, scalar_t *weights, int nb_to_sample, int *sampled);
+
+void print_roc_small_pos(ostream *out,
+ int nb_pos, scalar_t *pos_responses,
+ int nb_neg, scalar_t *neg_responses,
+ scalar_t fas_factor);
+
+#endif