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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-07-31 09:49:11 -07:00
parent 1946441e17
commit b1090f4399
5 changed files with 151 additions and 45 deletions
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18
src/sat/sat_extension.h
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@ -31,8 +31,20 @@ namespace sat {
class literal_occs_fun {
public:
virtual double operator()(literal l) = 0;
virtual double operator()(literal l) = 0;
};
typedef svector<ext_constraint_idx> ext_constraint_list;
class ext_use_list {
vector<ext_constraint_list> m_use_list;
public:
void init(unsigned num_vars) { m_use_list.reset(); m_use_list.resize(num_vars*2); }
void insert(literal l, ext_constraint_idx idx) { get(l).push_back(idx); }
ext_constraint_list & get(literal l) { return m_use_list[l.index()]; }
ext_constraint_list const & get(literal l) const { return m_use_list[l.index()]; }
void finalize() { m_use_list.finalize(); }
};
class extension {
@ -62,6 +74,8 @@ namespace sat {
virtual void gc() = 0;
virtual void pop_reinit() = 0;
virtual bool validate() = 0;
virtual void init_use_list(ext_use_list& ul) = 0;
virtual bool is_blocked(literal l, ext_constraint_idx) = 0;
};
};