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out of memory in horner::split_with_var()

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-07-02 17:00:15 -07:00
parent 7bac714762
commit d7265ab4d0
5 changed files with 94 additions and 25 deletions
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37
src/math/lp/nla_intervals.cpp
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@ -1,6 +1,7 @@
#include "math/lp/nla_core.h"
#include "math/interval/interval_def.h"
#include "math/lp/nla_intervals.h"
#include "util/mpq.h"
namespace nla {
/*
@ -73,7 +74,41 @@ void intervals::set_var_interval_with_deps(lpvar v, interval& b) {
b.m_upper_dep = nullptr;
}
}
void intervals::check_interval_for_conflict_on_zero(const interval & i) {
if (check_interval_for_conflict_on_zero_lower(i))
return;
check_interval_for_conflict_on_zero_upper(i);
}
bool intervals::check_interval_for_conflict_on_zero_upper(const interval & i) {
if (upper_is_inf(i))
return false;
if (unsynch_mpq_manager::is_pos(upper(i)))
return false;
if (unsynch_mpq_manager::is_zero(upper(i)) && !m_config.upper_is_open(i))
return false;
add_empty_lemma();
svector<lp::constraint_index> expl;
m_dep_manager.linearize(i.m_upper_dep, expl);
_().current_expl().add_expl(expl);
return true;
}
bool intervals::check_interval_for_conflict_on_zero_lower(const interval & i) {
if (lower_is_inf(i))
return false;
if (unsynch_mpq_manager::is_pos(lower(i)))
return false;
if (unsynch_mpq_manager::is_zero(lower(i)) && !m_config.lower_is_open(i))
return false;
add_empty_lemma();
svector<lp::constraint_index> expl;
m_dep_manager.linearize(i.m_lower_dep, expl);
_().current_expl().add_expl(expl);
return true;
}
intervals::ci_dependency *intervals::mk_dep(lp::constraint_index ci) const {
return m_dep_manager.mk_leaf(ci);
}