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Add trivial identities for &&, <>->, []-> and Boolean arguments.

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* src/ltlast/binop.cc (EConcat, UConcat): Rewrite "{b}<>-> f"
as "b && f", and rewrite "{b}[]->f" as "b->f".
* src/ltlast/binop.hh (binop::instance): Document trivial
identities for <>-> and []->.
* src/ltlast/multop.cc (multop::instance): Rewrite "b1 & b2"
as "b1 && b2" when b1 and b2 are Boolean.
(multop::multop): Always disable is.boolean for AndNLM.
* src/ltlast/multop.hh: Document the rewriting.
* src/ltltest/equals.cc: Show the two formulas if the exit_code
is 1, to help debugging.
* src/ltltest/equals.test: Add more tests.
* src/ltltest/kind.test: Adjust tests.
This commit is contained in:
Alexandre Duret-Lutz 2011-02-23 15:11:44 +01:00
parent 0e4e2a79b2
commit a2da5184b5
7 changed files with 63 additions and 13 deletions
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10
src/ltltest/equals.cc
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@ -1,5 +1,5 @@
// Copyright (C) 2008, 2009, 2010 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
// Copyright (C) 2008, 2009, 2010, 2011 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
// Copyright (C) 2003, 2004, 2006 Laboratoire d'Informatique de
// Paris 6 (LIP6), département Systèmes Répartis Coopératifs (SRC),
// Université Pierre et Marie Curie.
@ -120,6 +120,12 @@ main(int argc, char** argv)
int exit_code = f1 != f2;
if (exit_code)
{
spot::ltl::dump(std::cerr, f1) << std::endl;
spot::ltl::dump(std::cerr, f2) << std::endl;
}
f1->destroy();
f2->destroy();