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add anf and aig simplifier modules, cut-set enumeration, aig_finder, hoist out xor_finder from ba_solver

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2020-01-04 13:28:15 -08:00
parent 12e727e49a
commit d27a949ae9
15 changed files with 545 additions and 142 deletions
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1
src/math/dd/dd_pdd.h
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@ -310,6 +310,7 @@ namespace dd {
unsigned var() const { return m.var(root); }
rational const& val() const { SASSERT(is_val()); return m.val(root); }
bool is_val() const { return m.is_val(root); }
bool is_one() const { return m.is_one(root); }
bool is_zero() const { return m.is_zero(root); }
bool is_linear() const { return m.is_linear(root); }
bool is_unary() const { return !is_val() && lo().is_zero() && hi().is_val(); }