ltldo: automatic renaming of AP

* src/bin/ltldo.cc: Relabel formula and output automata as needed.
* src/tgbaalgos/relabel.cc, src/tgbaalgos/relabel.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbatest/ltldo.test: Add some tests.
* doc/org/ltldo.org: Document this.

src/tgbaalgos/relabel.hh

@@ -0,0 +1,34 @@
+// -*- coding: utf-8 -*-
+// Copyright (C) 2015 Laboratoire de Recherche et Développement de
+// l'Epita (LRDE).
+//
+// This file is part of Spot, a model checking library.
+//
+// Spot 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.
+//
+// Spot 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/>.
+
+#ifndef SPOT_TGBAALGOS_RELABEL_HH
+#define SPOT_TGBAALGOS_RELABEL_HH
+
+#include "ltlvisit/relabel.hh"
+#include "tgba/tgbagraph.hh"
+
+namespace spot
+{
+  /// replace atomic propositions in an automaton
+  SPOT_API void
+  relabel_here(tgba_digraph_ptr& aut,
+	       ltl::relabeling_map* relmap);
+}
+
+#endif // SPOT_TGBAALGOS_RELABEL_HH