Commit afe5b2a1 authored by Alexandre Duret-Lutz's avatar Alexandre Duret-Lutz
Browse files

simpfg: remove this unused function

* src/tl/simpfg.cc, src/tl/simpfg.hh: Delete.
* src/tl/Makefile.am: Adjust.
parent c8785a28
......@@ -39,7 +39,6 @@ tl_HEADERS = \
randomltl.hh \
relabel.hh \
remove_x.hh \
simpfg.hh \
simplify.hh \
snf.hh \
unabbrev.hh
......@@ -62,7 +61,6 @@ libtl_la_SOURCES = \
randomltl.cc \
relabel.cc \
remove_x.cc \
simpfg.cc \
simplify.cc \
snf.cc \
unabbrev.cc
// -*- coding: utf-8 -*-
// Copyright (C) 2010, 2012, 2014, 2015 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
// Copyright (C) 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
// et Marie Curie.
//
// 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/>.
#include "simpfg.hh"
namespace spot
{
formula simplify_f_g(formula p)
{
// 1 U p = Fp
if (p.is(op::U) && p[0].is_tt())
return formula::F(p[1]);
// 0 R p = Gp
if (p.is(op::R) && p[0].is_ff())
return formula::G(p[1]);
// p W 0 = Gp
if (p.is(op::W) && p[1].is_ff())
return formula::G(p[0]);
// p M 1 = Fp
if (p.is(op::M) && p[1].is_tt())
return formula::F(p[0]);
return p.map(simplify_f_g);
}
}
// -*- coding: utf-8 -*-
// Copyright (C) 2010, 2012, 2013, 2015 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
// Copyright (C) 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
// et Marie Curie.
//
// 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/>.
#pragma once
#include "formula.hh"
namespace spot
{
/// \ingroup tl_rewriting
/// \brief Replace <code>true U f</code> and <code>false R g</code> by
/// <code>F f</code> and <code>G g</code>.
///
/// Perform the following rewriting (from left to right):
///
/// - true U a = F a
/// - a M true = F a
/// - false R a = G a
/// - a W false = G a
///
SPOT_API formula simplify_f_g(formula f);
}
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