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simplify: add four simplification rules for GF and FG

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GF(a|Xb) = GF(a|b)      GF(a|Fb) = GF(a|b)
FG(a&Xb) = FG(a&b)      FG(a&Gb) = FG(a&b)

* src/ltlvisit/simplify.cc: Implement them.
* NEWS, doc/tl/tl.tex: Document them.
* src/ltltest/reduccmp.test: Test then.
This commit is contained in:
Alexandre Duret-Lutz 2013-01-11 16:07:10 +01:00
parent 2580fc6f91
commit e4ecc2d465
4 changed files with 107 additions and 8 deletions
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14
src/ltltest/reduccmp.test
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@ -1,8 +1,9 @@
#! /bin/sh
# Copyright (C) 2009, 2010, 2011, 2012 Laboratoire de Recherche et
# Developpement de l'Epita (LRDE).
# -*- coding: utf-8 -*-
# Copyright (C) 2009, 2010, 2011, 2012, 2013 Laboratoire de Recherche
# et Developpement de l'Epita (LRDE).
# Copyright (C) 2004, 2006 Laboratoire d'Informatique de Paris 6 (LIP6),
# département Systèmes Répartis Coopératifs (SRC), Université Pierre
# département Systèmes Répartis Coopératifs (SRC), Université Pierre
# et Marie Curie.
#
# This file is part of Spot, a model checking library.
@ -98,6 +99,13 @@ for x in ../reduccmp ../reductaustr; do
run 0 $x 'FX(a)' 'XF(a)'
run 0 $x 'GX(a)' 'XG(a)'
run 0 $x 'GF(a | Xb)' 'GF(a | b)'
run 0 $x 'GF(a | Fb)' 'GF(a | b)'
run 0 $x 'GF(Xa | Fb)' 'GF(a | b)'
run 0 $x 'FG(a & Xb)' 'FG(a & b)'
run 0 $x 'FG(a & Gb)' 'FG(a & b)'
run 0 $x 'FG(Xa & Gb)' 'FG(a & b)'
run 0 $x 'X(a) U X(b)' 'X(a U b)'
run 0 $x 'X(a) R X(b)' 'X(a R b)'
run 0 $x 'Xa & Xb' 'X(a & b)'