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isolate constraints in a constraint_set

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-07 09:24:45 -08:00
parent 024ca86386
commit 800bc757ae
5 changed files with 17 additions and 25 deletions
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8
src/math/lp/lar_solver.cpp
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@ -1053,7 +1053,7 @@ bool lar_solver::the_left_sides_sum_to_zero(const vector<std::pair<mpq, unsigned
for (auto & it : evidence) {
mpq coeff = it.first;
constraint_index con_ind = it.second;
lp_assert(con_ind < m_constraints.size());
lp_assert(m_constraints.valid_index(con_ind));
register_in_map(coeff_map, m_constraints[con_ind], coeff);
}
@ -1107,7 +1107,7 @@ mpq lar_solver::sum_of_right_sides_of_explanation(explanation& exp) const {
for (auto & it : exp) {
mpq coeff = it.first;
constraint_index con_ind = it.second;
lp_assert(con_ind < m_constraints.size());
lp_assert(m_constraints.valid_index(con_ind));
ret += (m_constraints[con_ind].m_right_side - m_constraints[con_ind].get_free_coeff_of_left_side()) * coeff;
}
return ret;
@ -1201,7 +1201,7 @@ void lar_solver::get_infeasibility_explanation_for_inf_sign(
const ul_pair & ul = m_columns_to_ul_pairs[j];
constraint_index bound_constr_i = adj_sign < 0 ? ul.upper_bound_witness() : ul.lower_bound_witness();
lp_assert(bound_constr_i < m_constraints.size());
lp_assert(m_constraints.valid_index(bound_constr_i));
exp.push_justification(bound_constr_i, coeff);
}
}
@ -1830,7 +1830,7 @@ constraint_index lar_solver::add_constraint_from_term_and_create_new_column_row(
add_row_from_term_no_constraint(term, term_j);
unsigned j = A_r().column_count() - 1;
constraint_index ci = m_constraints.add_term_constraint(term, kind, right_side);
update_column_type_and_bound(j, kind, right_side, m_constraints.size());
update_column_type_and_bound(j, kind, right_side, ci);
lp_assert(A_r().column_count() == m_mpq_lar_core_solver.m_r_solver.m_costs.size());
return ci;
}