src/sn_{network,stage}.[ch]: Implement sn_network_unify().

[sort-networks.git] / src / sn_comparator.h

diff --git a/src/sn_comparator.h b/src/sn_comparator.h
index 6e3f7f5..db9bc07 100644 (file)
--- a/src/sn_comparator.h
+++ b/src/sn_comparator.h
@@ -6,18 +6,19 @@
  * libsortnetwork - src/sn_comparator.h
  * Copyright (C) 2008-2010  Florian octo Forster
  *
- * 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; only version 2 of the License is applicable.
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * This library 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 Lesser General Public License
+ * for more details.
  *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  * Authors:
  *   Florian octo Forster <ff at octo.it>
@@ -27,6 +28,9 @@
 #ifndef SN_COMPARATOR_H
 #define SN_COMPARATOR_H 1
 
+#include <stdint.h>
+#include <inttypes.h>
+
 /**
  * Struct representing a comparator. Don't access the members of this struct
  * directly, use the macros below instead.
@@ -113,6 +117,8 @@ void sn_comparator_swap (sn_comparator_t *c, int con0, int con1);
 int sn_comparator_compare (const sn_comparator_t *c0,
     const sn_comparator_t *c1);
 
+uint32_t sn_comparator_get_hashval (const sn_comparator_t *c);
+
 #endif /* SN_COMPARATOR_H */
 
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