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* src/ltlvisit/simpfg.cc, src/ltlvisit/simpfg.hh: New files,

Browse source 
extracted from ...
* src/ltlvisit/lunabbrev.cc: ... this one, which now work as documented
again.
* src/ltlvisit/reduce.cc, src/ltlvisit/syntimpl.cc: Adjust to call
simplify_f_g() in addition to unabbreviate_logic().
* src/ltlvisit/Makefile.am (ltlvisit_HEADERS, libltlvisit_la_SOURCES):
Add simpfg.cc and simpfg.hh.
This commit is contained in:
Alexandre Duret-Lutz 2004-06-23 08:09:19 +00:00
parent 839837a69e
commit b42cdc0d8f
7 changed files with 181 additions and 36 deletions
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16
src/ltlvisit/lunabbrev.cc
View file

@ -71,19 +71,11 @@ namespace spot
unop::instance(unop::Not,
f2)));
return;
/* true U f2 == F(f2) */
case binop::U:
if (f1 == constant::true_instance())
result_ = unop::instance(unop::F, f2);
else
result_ = binop::instance(bo->op(), f1, f2);
return;
/* false R f2 == G(f2) */
/* f1 U f2 == f1 U f2 */
/* f1 R f2 == f1 R f2 */
case binop::U:
case binop::R:
if (f1 == constant::false_instance())
result_ = unop::instance(unop::G, f2);
else
result_ = binop::instance(bo->op(), f1, f2);
result_ = binop::instance(bo->op(), f1, f2);
return;
}
/* Unreachable code. */