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Trivially reduce f;f to f[*2], f[*1..3];f to f[*2..4], etc.

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* src/ltlast/multop.cc (instance): Implement the reduction.
* src/ltlast/multop.hh, doc/tl/tl.tex: Document it.
* src/ltltest/equals.test: Add a test.
This commit is contained in:
Alexandre Duret-Lutz 2012-04-25 15:14:14 +02:00
parent 4a775a17a3
commit e7cf7b422d
4 changed files with 88 additions and 8 deletions
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src/ltlast/multop.hh
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@ -111,6 +111,8 @@ namespace spot
/// - Concat(Exps1...,FExps2...,1[*],FExps3...,Exps4) =
/// Concat(Exps1...,1[*],Exps4) if FExps2...FExps3... all accept [*0]
/// - Concat(Exp) = Exp
/// - Concat(Exps1...,E,E[*i..j],E[*k..l],Exps2...) =
/// Concat(Exps1...,E[*1+i+k..j+l],Exps2...) and similar forms
/// - Fusion(Exps1...1,Exps2...) = Fusion(Exps1...,Exps2...)
/// if at least one exp reject [*0]
/// - Fusion(Exps1...,0,Exps2...) = 0