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add dummy implementations

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-04-20 14:02:12 -07:00
parent fc60690742
commit ce8184382d
3 changed files with 61 additions and 53 deletions

View file

@ -81,7 +81,6 @@ namespace polysat {
uint_set m_left_basis;
unsigned m_infeasible_var;
unsigned_vector m_base_vars;
unsigned_vector m_to_fix_base;
stats m_stats;
public:
@ -133,48 +132,46 @@ namespace polysat {
private:
void gauss_jordan();
bool gauss_jordan(row const& r);
void make_basic(var_t v, row const& r);
#if 0
void del_row(row const& r);
var_t select_var_to_fix();
pivot_strategy_t pivot_strategy();
void del_row(row const& r) {}
var_t select_var_to_fix() { throw nullptr; }
pivot_strategy_t pivot_strategy() { throw nullptr; }
var_t select_smallest_var() { return m_to_patch.empty()?null_var:m_to_patch.erase_min(); }
var_t select_error_var(bool least);
void check_blands_rule(var_t v, unsigned& num_repeated);
bool make_var_feasible(var_t x_i);
void update_and_pivot(var_t x_i, var_t x_j, numeral const& a_ij, numeral const& new_value);
void update_value(var_t v, numeral const& delta);
void update_value_core(var_t v, numeral const& delta);
void pivot(var_t x_i, var_t x_j, numeral const& a_ij);
void move_to_bound(var_t x, bool to_lower);
var_t select_pivot(var_t x_i, bool is_below, scoped_numeral& out_a_ij);
var_t select_pivot_blands(var_t x_i, bool is_below, scoped_numeral& out_a_ij);
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 select_error_var(bool least) { throw nullptr; }
void check_blands_rule(var_t v, unsigned& num_repeated) {}
bool make_var_feasible(var_t x_i) { return false; }
void update_and_pivot(var_t x_i, var_t x_j, numeral const& a_ij, numeral const& new_value) {}
void update_value(var_t v, numeral const& delta) {}
void update_value_core(var_t v, numeral const& delta) {}
void pivot(var_t x_i, var_t x_j, numeral const& a_ij) {}
void move_to_bound(var_t x, bool to_lower) {}
var_t select_pivot(var_t x_i, bool is_below, scoped_numeral& out_a_ij) { throw nullptr; }
var_t select_pivot_blands(var_t x_i, bool is_below, scoped_numeral& out_a_ij) { throw nullptr; }
var_t select_pivot_core(var_t x_i, bool is_below, scoped_numeral& out_a_ij) { throw nullptr; }
int get_num_non_free_dep_vars(var_t x_j, int best_so_far) { throw nullptr; }
var_t pick_var_to_leave(var_t x_j, bool is_pos,
scoped_numeral& gain, scoped_numeral& new_a_ij, bool& inc);
scoped_numeral& gain, scoped_numeral& new_a_ij, bool& inc) { throw nullptr; }
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);
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;
bool at_upper(var_t v) const;
bool above_lower(var_t v) const;
bool below_upper(var_t v) const;
bool at_lower(var_t v) const { return false; }
bool at_upper(var_t v) const { return false; }
bool above_lower(var_t v) const { return false; }
bool below_upper(var_t v) const { return false; }
bool outside_bounds(var_t v) const { return below_lower(v) || above_upper(v); }
bool is_free(var_t v) const { return m_vars[v].m_lo == m_vars[v].m_hi; }
bool is_non_free(var_t v) const { return !is_free(v); }
bool is_base(var_t x) const { return m_vars[x].m_is_base; }
void add_patch(var_t v);
void add_patch(var_t v) {}
bool well_formed() const;
bool well_formed_row(row const& r) const;
bool is_feasible() const;
bool well_formed() const { return false; }
bool well_formed_row(row const& r) const { return false; }
bool is_feasible() const { return false; }
#endif
};
struct uint64_ext {