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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-09-19 17:28:10 -07:00
parent 444a9b1c4f
commit 3c38ee2690
1 changed files with 21 additions and 23 deletions
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26
src/math/lp/nra_solver.cpp
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@ -374,25 +374,23 @@ struct solver::imp {
process_polynomial_check_assignment(num_mon, p, bound, nl2lp, t); process_polynomial_check_assignment(num_mon, p, bound, nl2lp, t);
switch (a->get_kind()) { switch (a->get_kind()) {
case nlsat::atom::EQ:
{ {
nla::ineq inq(l.sign() ? lp::lconstraint_kind::NE : lp::lconstraint_kind::EQ, t, bound); // Introduce a single ineq variable and assign it per case; common handling after switch.
if (m_nla_core.ineq_holds(inq)) nla::ineq inq(lp::lconstraint_kind::EQ, t, bound); // initial value overwritten in cases below
return l_undef; switch (a->get_kind()) {
lemma |= inq; case nlsat::atom::EQ:
} inq = nla::ineq(l.sign() ? lp::lconstraint_kind::NE : lp::lconstraint_kind::EQ, t, bound);
break; break;
case nlsat::atom::LT: case nlsat::atom::LT:
{ inq = nla::ineq(l.sign() ? lp::lconstraint_kind::GE : lp::lconstraint_kind::LT, t, bound);
nla::ineq inq(l.sign() ? lp::lconstraint_kind::GE : lp::lconstraint_kind::LT, t, bound);
if (m_nla_core.ineq_holds(inq))
return l_undef;
lemma |= inq;
}
break; break;
case nlsat::atom::GT: case nlsat::atom::GT:
{ inq = nla::ineq(l.sign() ? lp::lconstraint_kind::LE : lp::lconstraint_kind::GT, t, bound);
nla::ineq inq(l.sign() ? lp::lconstraint_kind::LE : lp::lconstraint_kind::GT, t, bound); break;
default:
UNREACHABLE();
return l_undef;
}
if (m_nla_core.ineq_holds(inq)) if (m_nla_core.ineq_holds(inq))
return l_undef; return l_undef;
lemma |= inq; lemma |= inq;