autfilt: Add --dualize option

* NEWS: Mention this addition.
* bin/autfilt.cc: Add dualize option
* tests/Makefile.am: Add dualize option test file to the suite.
* tests/core/dualize.test: Test the dualize option.

tests/core/dualize.test

@@ -0,0 +1,67 @@
+#!/bin/sh
+# -*- coding: utf-8 -*-
+# Copyright (C) 2017 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/>.
+
+
+. ./defs
+
+set -e
+
+cat >input1 <<EOF
+HOA: v1
+States: 4
+Start: 0
+AP: 2 "a" "b"
+acc-name: Buchi
+Acceptance: 3 Inf(0) & Inf(1) & Fin(2)
+properties: trans-labels explicit-labels trans-acc
+--BODY--
+State: 0
+[0] 1&2&3
+[1] 0&1
+State: 1
+[t] 1 {0}
+State: 2
+[t] 2 {1}
+State: 3
+[0] 2
+[!0&!1] 0 {2}
+--END--
+EOF
+
+cat >expected <<EOF
+HOA: v1
+States: 2
+Start: 0
+AP: 2 "a" "b"
+acc-name: all
+Acceptance: 0 t
+properties: trans-labels explicit-labels trans-acc complete
+properties: deterministic
+--BODY--
+State: 0
+[t] 1
+State: 1
+[t] 1
+--END--
+EOF
+
+run 0 autfilt input1 --dualize --hoaf=t | tee stdout
+diff stdout expected
+rm input1 expected stdout