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add base support for signed multiplication over/under flow

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-01-30 12:47:28 -08:00
parent 2da3261d8a
commit 0dc204cd4a
5 changed files with 85 additions and 7 deletions
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2
src/sat/smt/polysat/constraints.h
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@ -110,8 +110,6 @@ namespace polysat {
signed_constraint ult(pdd const& p, pdd const& q) { return ~ule(q, p); }
signed_constraint slt(pdd const& p, pdd const& q) { return ~sle(q, p); }
signed_constraint umul_ovfl(pdd const& p, pdd const& q);
signed_constraint smul_ovfl(pdd const& p, pdd const& q) { throw default_exception("smul ovfl nyi"); }
signed_constraint smul_udfl(pdd const& p, pdd const& q) { throw default_exception("smult-udfl nyi"); }
signed_constraint bit(pdd const& p, unsigned i);
signed_constraint diseq(pdd const& p) { return ~eq(p); }

2
src/sat/smt/polysat/core.h
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@ -133,8 +133,6 @@ namespace polysat {
signed_constraint ule(pdd const& p, pdd const& q) { return m_constraints.ule(p, q); }
signed_constraint sle(pdd const& p, pdd const& q) { return m_constraints.sle(p, q); }
signed_constraint umul_ovfl(pdd const& p, pdd const& q) { return m_constraints.umul_ovfl(p, q); }
signed_constraint smul_ovfl(pdd const& p, pdd const& q) { return m_constraints.smul_ovfl(p, q); }
signed_constraint smul_udfl(pdd const& p, pdd const& q) { return m_constraints.smul_udfl(p, q); }
signed_constraint bit(pdd const& p, unsigned i) { return m_constraints.bit(p, i); }