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roll back in maximize_term if the integrality is broken

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-03-30 13:19:07 -07:00
parent f21b60a6e1
commit cf0952c232
4 changed files with 27 additions and 4 deletions
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4
src/math/lp/lar_solver.cpp
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@ -1586,6 +1586,10 @@ var_index lar_solver::add_var(unsigned ext_j, bool is_int) {
return local_j;
}
bool lar_solver::has_int_var() const {
return m_var_register.has_int_var();
}
void lar_solver::register_new_ext_var_index(unsigned ext_v, bool is_int) {
lp_assert(!m_var_register.external_is_used(ext_v));
m_var_register.add_var(ext_v, is_int);