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formula: replace nth() by operator[]()

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* src/ltlast/formula.hh (formula::nth): Replace by ...
(formula::operator[]): ... this.
* src/ltlvisit/mark.cc, src/ltlvisit/mutation.cc, src/ltlvisit/print.cc,
src/ltlvisit/relabel.cc, src/ltlvisit/remove_x.cc,
src/ltlvisit/simpfg.cc, src/ltlvisit/simplify.cc, src/ltlvisit/snf.cc,
src/ltlvisit/unabbrev.cc, src/twa/formula2bdd.cc,
src/twaalgos/compsusp.cc, src/twaalgos/ltl2taa.cc,
src/twaalgos/ltl2tgba_fm.cc, wrap/python/spot_impl.i: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2015-09-27 21:06:24 +02:00
parent 533268000d
commit 2369389850
15 changed files with 373 additions and 373 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/ltlvisit/simpfg.cc
View file

@ -29,17 +29,17 @@ namespace spot
formula simplify_f_g(formula p)
{
// 1 U p = Fp
if (p.is(op::U) && p.nth(0).is_true())
return formula::F(p.nth(1));
if (p.is(op::U) && p[0].is_true())
return formula::F(p[1]);
// 0 R p = Gp
if (p.is(op::R) && p.nth(0).is_false())
return formula::G(p.nth(1));
if (p.is(op::R) && p[0].is_false())
return formula::G(p[1]);
// p W 0 = Gp
if (p.is(op::W) && p.nth(1).is_false())
return formula::G(p.nth(0));
if (p.is(op::W) && p[1].is_false())
return formula::G(p[0]);
// p M 1 = Fp
if (p.is(op::M) && p.nth(1).is_true())
return formula::F(p.nth(0));
if (p.is(op::M) && p[1].is_true())
return formula::F(p[0]);
return p.map(simplify_f_g);
}