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fixing optimizaiton bug

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-12-18 08:43:07 +02:00
parent 22166d0760
commit eb1b578bfb
3 changed files with 49 additions and 36 deletions
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7
src/smt/theory_arith.h
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@ -434,7 +434,6 @@ namespace smt {
bool m_eager_gcd; // true if gcd should be applied at every add_row
unsigned m_final_check_idx;
u_map<uint_set> m_objective_theory_vars;
// backtracking
svector<bound_trail> m_bound_trail;
@ -857,11 +856,13 @@ namespace smt {
void add_tmp_row(row & r1, numeral const & coeff, row const & r2);
theory_var pick_var_to_leave(theory_var x_j, bool inc, numeral & a_ij, inf_numeral & gain);
bool is_safe_to_leave(theory_var x);
void move_to_bound(theory_var x_i, bool inc);
template<bool invert>
void add_tmp_row_entry(row & r, numeral const & coeff, theory_var v);
bool max_min(theory_var v, bool max);
bool max_min(row & r, bool max);
enum max_min_t { UNBOUNDED, AT_BOUND, OPTIMIZED, BEST_EFFORT};
max_min_t max_min(theory_var v, bool max);
max_min_t max_min(row & r, bool max);
bool max_min(svector<theory_var> const & vars);
// -----------------------------------