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remove watch, hoist orbit to track used variables

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-01-02 00:39:50 -08:00
parent 1d0572354b
commit c1032c3403
6 changed files with 46 additions and 117 deletions
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src/math/grobner/pdd_solver.h
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@ -147,14 +147,11 @@ private:
bool is_too_complex(const equation& eq) const { return is_too_complex(eq.poly()); }
bool is_too_complex(const pdd& p) const { return p.tree_size() > m_config.m_expr_size_limit; }
vector<equation_vector> m_watch; // watch list mapping variables to vector of equations where they occur (generally a subset)
unsigned m_levelp1; // index into level+1
unsigned_vector m_level2var; // level -> var
unsigned_vector m_var2level; // var -> level
void init_saturate();
void simplify_watch(equation const& eq);
void add_to_watch(equation& eq);
void del_equation(equation& eq) { del_equation(&eq); }
void del_equation(equation* eq);