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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-05-13 17:18:09 -07:00
parent cf8b3a0788
commit d833483ca0
2 changed files with 33 additions and 23 deletions
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7
src/math/polysat/fixplex.h
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@ -59,6 +59,7 @@ namespace polysat {
unsigned m_num_pivots;
unsigned m_num_infeasible;
unsigned m_num_checks;
unsigned m_num_approx;
stats() { reset(); }
void reset() {
memset(this, 0, sizeof(*this));
@ -152,9 +153,7 @@ namespace polysat {
std::ostream& display(std::ostream& out) const;
std::ostream& display_row(std::ostream& out, row const& r, bool values = true);
void collect_statistics(::statistics & st) const;
row get_infeasible_row();
void del_row(var_t base_var);
private:
@ -189,11 +188,11 @@ namespace polysat {
bool is_fixed(var_t v) const { return lo(v) + 1 == hi(v); }
bool is_valid_variable(var_t v) const { return v < m_vars.size(); }
bool is_base(var_t x) const { return m_vars[x].m_is_base; }
unsigned base2row(var_t x) const { return m_vars[x].m_base2row; }
row base2row(var_t x) const { return row(m_vars[x].m_base2row); }
numeral const& row2value(row const& r) const { return m_rows[r.id()].m_value; }
numeral const& row2base_coeff(row const& r) const { return m_rows[r.id()].m_base_coeff; }
var_t row2base(row const& r) const { return m_rows[r.id()].m_base; }
bool row2integral(row const& r) const { return m_rows[r.id()].m_integral; }
bool row_is_integral(row const& r) const { return m_rows[r.id()].m_integral; }
void set_base_value(var_t x);
numeral solve_for(numeral const& row_value, numeral const& coeff);
bool is_feasible() const;