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merge

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-09-19 09:02:37 -07:00
parent 5bbe0508e4
commit ed19af4c4e
3 changed files with 7 additions and 4 deletions
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4
src/util/lp/gomory.cpp
View file

@ -168,11 +168,13 @@ public:
mpq one_min_f0 = 1 - f0;
for (const auto & p : m_row) {
unsigned j = p.var();
#if 1
if (column_is_fixed(j)) {
m_ex.push_justification(column_lower_bound_constraint(j));
m_ex.push_justification(column_upper_bound_constraint(j));
continue;
}
#endif
if (j == m_inf_col) {
lp_assert(p.coeff() == one_of_type<mpq>());
TRACE("gomory_cut_detail", tout << "seeing basic var";);
@ -194,7 +196,7 @@ public:
adjust_term_and_k_for_some_ints_case_gomory(lcm_den);
lp_assert(m_int_solver.current_solution_is_inf_on_cut());
m_int_solver.m_lar_solver->subs_term_columns(m_t, m_k);
TRACE("gomory_cut", tout<<"gomory cut:"; m_int_solver.m_lar_solver->print_term(m_t, tout); tout << " <= " << m_k << std::endl;);
TRACE("gomory_cut", tout<<"gomory cut:"; m_int_solver.m_lar_solver->print_term(m_t, tout) << " <= " << m_k << std::endl;);
return lia_move::cut;
}
imp(lar_term & t, mpq & k, explanation& ex, unsigned basic_inf_int_j, const row_strip<mpq>& row, const int_solver& int_slv ) :

6
src/util/lp/lp_core_solver_base.h
View file

@ -577,7 +577,7 @@ public:
}
void print_column_info(unsigned j, std::ostream & out) const {
out << "j = " << j << ", name = "<< column_name(j);
out << "j = " << j << ",\tname = "<< column_name(j) << "\t";
switch (m_column_types[j]) {
case column_type::fixed:
case column_type::boxed:
@ -596,11 +596,11 @@ public:
lp_assert(false);
}
// out << "basis heading = " << m_basis_heading[j] << std::endl;
out << " x = " << m_x[j];
out << "\tx = " << m_x[j];
if (m_basis_heading[j] >= 0)
out << " base\n";
else
out << " nbas\n";
out << " \n";
}
bool column_is_free(unsigned j) const { return this->m_column_type[j] == free; }