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Trivially reduce 'a[*1]' to 'a'.

Browse source 
* src/ltlast/bunop.cc (bunop::instance): Here.
* src/ltlast/bunop.hh, doc/tl/tl.tex: Document it.
* src/ltltest/equals.test: Test it.
This commit is contained in:
Alexandre Duret-Lutz 2012-04-17 16:00:22 +02:00
parent abaf102746
commit a4353d3985
4 changed files with 13 additions and 5 deletions
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4
src/ltlast/bunop.cc
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@ -211,6 +211,10 @@ namespace spot
return constant::empty_word_instance();
}
// - Exp[*1] = Exp
if (min == 1 && max == 1)
return child;
// - Exp[*i..j][*min..max] = Exp[*i(min)..j(max)]
// if i*(min+1)<=j(min)+1.
if (child->kind() == BUnOp)