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bug fix in basic_lemma_for_mon_zero

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Signed-off-by: Lev <levnach@hotmail.com>
This commit is contained in:
Lev 2018-11-27 10:42:35 -08:00 • committed by Lev Nachmanson
parent 882dd06df9
commit e5e50f8c1d
1 changed files with 8 additions and 4 deletions
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12
src/util/lp/nla_solver.cpp
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@ -81,12 +81,14 @@ struct solver::imp {
} }
rational vvr(unsigned j) const { return m_lar_solver.get_column_value_rational(j); } rational vvr(lpvar j) const { return m_lar_solver.get_column_value_rational(j); }
lp::impq vv(lpvar j) const { return m_lar_solver.get_column_value(j); }
lpvar orig_mon_var(const rooted_mon& rm) const {return m_monomials[rm.m_orig.m_i].var(); }
rational vvr(const rooted_mon& rm) const { return vvr(m_monomials[rm.m_orig.m_i].var()) * rm.m_orig.m_sign; } rational vvr(const rooted_mon& rm) const { return vvr(m_monomials[rm.m_orig.m_i].var()) * rm.m_orig.m_sign; }
lp::impq vv(unsigned j) const { return m_lar_solver.get_column_value(j); }
void add(lpvar v, unsigned sz, lpvar const* vs) { void add(lpvar v, unsigned sz, lpvar const* vs) {
m_monomials.push_back(monomial(v, sz, vs)); m_monomials.push_back(monomial(v, sz, vs));
m_var_to_its_monomial.insert(v, m_monomials.size() - 1); m_var_to_its_monomial.insert(v, m_monomials.size() - 1);
@ -508,6 +510,8 @@ struct solver::imp {
}; };
// here we use the fact // here we use the fact
// xy = 0 -> x = 0 or y = 0 // xy = 0 -> x = 0 or y = 0
bool basic_lemma_for_mon_zero(const rooted_mon& rm, const factorization& f) { bool basic_lemma_for_mon_zero(const rooted_mon& rm, const factorization& f) {
@ -521,7 +525,7 @@ struct solver::imp {
SASSERT(m_lemma->empty()); SASSERT(m_lemma->empty());
mk_ineq(rm.m_orig.m_i, lp::lconstraint_kind::NE); mk_ineq(orig_mon_var(rm), lp::lconstraint_kind::NE);
for (lpvar j : f) { for (lpvar j : f) {
mk_ineq(j, lp::lconstraint_kind::EQ); mk_ineq(j, lp::lconstraint_kind::EQ);
} }