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debugging simplex/pb

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-02-21 14:39:54 -08:00
parent ea65f32914
commit e2db1418f9
7 changed files with 235 additions and 73 deletions
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13
src/math/simplex/simplex.h
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@ -115,9 +115,19 @@ namespace simplex {
void ensure_var(var_t v);
row add_row(var_t base, unsigned num_vars, var_t const* vars, numeral const* coeffs);
row get_infeasible_row();
var_t get_base_var(row const& r) const { return m_row2base[r.id()]; }
numeral const& get_base_coeff(row const& r) const { return m_vars[m_row2base[r.id()]].m_base_coeff; }
void del_row(row const& r);
void set_lower(var_t var, eps_numeral const& b);
void set_upper(var_t var, eps_numeral const& b);
void get_lower(var_t var, scoped_eps_numeral& b) const { b = m_vars[var].m_lower; }
void get_upper(var_t var, scoped_eps_numeral& b) const { b = m_vars[var].m_upper; }
bool above_lower(var_t var, eps_numeral const& b) const;
bool below_upper(var_t var, eps_numeral const& b) const;
bool below_lower(var_t v) const;
bool above_upper(var_t v) const;
bool lower_valid(var_t var) const { return m_vars[var].m_lower_valid; }
bool upper_valid(var_t var) const { return m_vars[var].m_upper_valid; }
void unset_lower(var_t var);
void unset_upper(var_t var);
void set_value(var_t var, eps_numeral const& b);
@ -127,6 +137,7 @@ namespace simplex {
lbool minimize(var_t var);
eps_numeral const& get_value(var_t v);
void display(std::ostream& out) const;
void display_row(std::ostream& out, row const& r, bool values = true);
unsigned get_num_vars() const { return m_vars.size(); }
@ -159,8 +170,6 @@ namespace simplex {
bool at_lower(var_t v) const;
bool at_upper(var_t v) const;
bool below_lower(var_t v) const;
bool above_upper(var_t v) const;
bool above_lower(var_t v) const;
bool below_upper(var_t v) const;
bool outside_bounds(var_t v) const { return below_lower(v) || above_upper(v); }