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exposing lower/upper

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-12-03 17:46:52 -08:00
parent 4719aa11bb
commit 9e2908c3f5
2 changed files with 30 additions and 1 deletions
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27
src/opt/opt_context.cpp
View file

@ -108,7 +108,7 @@ namespace opt {
lbool context::execute_lex() {
lbool r = l_true;
for (unsigned i = 0; r == l_true && i < m_objectives.size(); ++i) {
r = execute(m_objectives[i], true);
r = execute(m_objectives[i], i + 1 < m_objectives.size());
}
return r;
}
@ -179,6 +179,31 @@ namespace opt {
}
m_optsmt.display_range_assignment(out);
}
expr_ref context::get_lower(unsigned idx) {
NOT_IMPLEMENTED_YET();
if (idx > m_objectives.size()) {
throw default_exception("index out of bounds");
}
objective const& obj = m_objectives[idx];
switch(obj.m_type) {
case O_MAXSMT: {
maxsmt* ms = m_maxsmts.find(obj.m_id);
inf_eps l = ms->get_lower();
break;
}
case O_MAXIMIZE:
case O_MINIMIZE:
break;
}
return expr_ref(0,m);
}
expr_ref context::get_upper(unsigned idx) {
NOT_IMPLEMENTED_YET();
return expr_ref(0, m);
}
void context::set_cancel(bool f) {
if (m_solver) {

4
src/opt/opt_context.h
View file

@ -80,6 +80,10 @@ namespace opt {
void display_range_assignment(std::ostream& out);
static void collect_param_descrs(param_descrs & r);
void updt_params(params_ref& p);
expr_ref get_lower(unsigned idx);
expr_ref get_upper(unsigned idx);
private:
void validate_feasibility(maxsmt& ms);