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Revamp the multop interface to allow some basic optimizations like

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not constructing a single-child multop.
* src/ltlast/multop.hh (multop::instance(type)): Remove.
(multop::instance(type, formula*, formula*)): Return a formula*.
(multop::instance(type, vec*)): Make it public and return a formula*.
(multop::add_sorted, multop::add):
* src/ltlast/multop.cc (multop::instance(type, vec*)): Rewrite.
(multop::instance(type)): Delete.
(multop::instance(type, formula*, formula*)): Adjust.
(multop::add_sorted, multop::add): Remove.
* src/ltlvisit/clone.cc (clone_visitor::visit(multop*)) Adjust.
* src/ltlvisit/nenoform.cc
(negative_normal_form_visitor::::visit(multop*)) Adjust.
* src/ltltest/equals.test: Make sure `a & a' and `a' are equals.
* wrap/python/tests/ltlsimple.py: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2003-08-10 16:29:49 +00:00
parent 317fed597b
commit de6314ed74
8 changed files with 123 additions and 98 deletions
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1
src/ltltest/equals.test
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@ -25,6 +25,7 @@ check 0 'a && b & a' 'b & a & b'
check 0 'a & b' 'b & a & b'
check 0 'a & b' 'b & a & a'
check 0 'a & b & (c |(f U g)|| e)' 'b & a & a & (c | e |(f U g)| e | c) & b'
check 0 'a & a' 'a'
# other formulae which are not
check 1 'a' 'b'