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Rewrite xor, =>, and <=> in negative_normal_form().

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* src/ltlvisit/simplify.hh, src/ltlvisit/simplify.cc
(ltl_simplify::negative_normal_form): Remove the third
parameter and always rewrite XOR, =>, and <=>.  This avoid
problems with the cache, that could have been populated with
a different value for this third parameter.
* src/ltltest/reduc.cc, src/tgbaalgos/ltl2tgba_fm.cc: Adjust
calls to negative_normal_form().
* src/ltltest/nenoform.test: Adjust tests.
This commit is contained in:
Alexandre Duret-Lutz 2011-09-18 22:19:37 +02:00
parent b89f86edcf
commit 03fd46a13b
5 changed files with 18 additions and 36 deletions
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4
src/ltltest/reduc.cc
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@ -202,7 +202,7 @@ main(int argc, char** argv)
spot::ltl::formula* ftmp1;
ftmp1 = f1;
f1 = simp->negative_normal_form(f1, false, true);
f1 = simp->negative_normal_form(f1, false);
ftmp1->destroy();
int length_f1_before = spot::ltl::length(f1);
@ -219,7 +219,7 @@ main(int argc, char** argv)
if (f2)
{
ftmp1 = f2;
f2 = simp->negative_normal_form(f2, false, true);
f2 = simp->negative_normal_form(f2, false);
ftmp1->destroy();
f2s = spot::ltl::to_string(f2);
}