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work on order lemma

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Signed-off-by: Lev <levnach@hotmail.com>
This commit is contained in:
Lev 2018-11-20 15:36:02 -08:00 • committed by Lev Nachmanson
parent 6a1c2e4766
commit ca0ce579b1
8 changed files with 260 additions and 109 deletions
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13
src/util/lp/lar_solver.cpp
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@ -1282,6 +1282,9 @@ void lar_solver::get_model_do_not_care_about_diff_vars(std::unordered_map<var_in
}
}
void lar_solver::set_variable_name(var_index vi, std::string name) {
m_var_register.set_name(vi, name);
}
std::string lar_solver::get_variable_name(var_index j) const {
if (j >= m_terms_start_index)
@ -1289,6 +1292,11 @@ std::string lar_solver::get_variable_name(var_index j) const {
if (j >= m_var_register.size())
return std::string("_s") + T_to_string(j);
std::string s = m_var_register.get_name(j);
if (!s.empty()) {
return s;
}
return std::string("v") + T_to_string(m_var_register.local_to_external(j));
}
@ -1598,6 +1606,11 @@ bool lar_solver::strategy_is_undecided() const {
return m_settings.simplex_strategy() == simplex_strategy_enum::undecided;
}
var_index lar_solver::add_named_var(unsigned ext_j, bool is_int, std::string name) {
var_index j = add_var(ext_j,is_int);
m_var_register.set_name(j, name);
return j;
}
var_index lar_solver::add_var(unsigned ext_j, bool is_int) {
TRACE("add_var", tout << "adding var " << ext_j << (is_int? " int" : " nonint") << std::endl;);
var_index local_j;