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Implement rewritings for {f|g} and !{f|g}.

Browse source 
* src/ltlvisit/simplify.cc: Here.
* src/ltltest/reduccmp.test: Test them.
* doc/tl/tl.tex: Document them.
This commit is contained in:
Alexandre Duret-Lutz 2012-04-29 23:36:12 +02:00
parent 496c449fa4
commit 0821599db8
3 changed files with 21 additions and 1 deletions
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16
src/ltlvisit/simplify.cc
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@ -1294,6 +1294,22 @@ namespace spot
: constant::false_instance());
return;
}
if (!opt_.reduce_size_strictly)
if (multop* mo = is_OrRat(result_))
{
// {a₁|a₂} = {a₁}| {a₂}
// !{a₁|a₂} = !{a₁}&!{a₂}
unsigned s = mo->size();
multop::vec* v = new multop::vec;
for (unsigned n = 0; n < s; ++n)
v->push_back(unop::instance(op, mo->nth(n)->clone()));
mo->destroy();
result_ =
recurse_destroy(multop::instance(op == unop::Closure
? multop::Or
: multop::And, v));
return;
}
if (multop* mo = is_Concat(result_))
{
unsigned end = mo->size() - 1;