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add validation to aig_simplifier, start BIG-based masking

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2020-01-11 20:47:38 -08:00
parent 41a00707e1
commit e0a41a18c3
14 changed files with 741 additions and 167 deletions
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1
src/util/symbol.h
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@ -70,6 +70,7 @@ public:
friend bool operator!=(symbol const & s1, symbol const & s2) { return s1.m_data != s2.m_data; }
bool is_numerical() const { return GET_TAG(m_data) == 1; }
bool is_null() const { return m_data == nullptr; }
bool is_non_empty_string() const { return !is_null() && !is_numerical() && 0 != bare_str()[0]; }
unsigned int get_num() const { SASSERT(is_numerical()); return UNBOXINT(m_data); }
std::string str() const;
friend bool operator==(symbol const & s1, char const * s2) {