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working on hitting sets

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2014-06-08 14:12:54 +01:00
commit 960e8ea1d5
38 changed files with 1130 additions and 203 deletions
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5
src/math/simplex/simplex.h
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@ -174,10 +174,11 @@ namespace simplex {
var_t select_pivot_core(var_t x_i, bool is_below, scoped_numeral& out_a_ij);
int get_num_non_free_dep_vars(var_t x_j, int best_so_far);
var_t pick_var_to_leave(var_t x_j, bool inc, scoped_eps_numeral& gain, scoped_numeral& new_a_ij);
var_t pick_var_to_leave(var_t x_j, bool is_pos,
scoped_eps_numeral& gain, scoped_numeral& new_a_ij, bool& inc);
void select_pivot_primal(var_t v, var_t& x_i, var_t& x_j, scoped_numeral& a_ij, bool& inc);
void select_pivot_primal(var_t v, var_t& x_i, var_t& x_j, scoped_numeral& a_ij, bool& inc_x_i, bool& inc_x_j);
bool at_lower(var_t v) const;