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smul no overflow

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-02-16 18:55:07 +02:00
parent 89d6f1c191
commit 8c9835bca6
24 changed files with 376 additions and 63 deletions
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16
src/math/polysat/solver.h
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@ -56,6 +56,7 @@ namespace polysat {
friend class constraint;
friend class ule_constraint;
friend class mul_ovfl_constraint;
friend class smul_ovfl_constraint;
friend class op_constraint;
friend class signed_constraint;
friend class clause;
@ -115,7 +116,6 @@ namespace polysat {
search_state m_search;
assignment_t const& assignment() const { return m_search.assignment(); }
pdd subst(pdd const& p) const;
pdd subst(assignment_t const& sub, pdd const& p) const;
unsigned m_qhead = 0; // next item to propagate (index into m_search)
@ -309,6 +309,12 @@ namespace polysat {
*/
bool try_eval(pdd const& p, rational& out_value) const;
/**
* Apply current substitution to p.
*/
pdd subst(pdd const& p) const;
/** Create constraints */
signed_constraint eq(pdd const& p) { return m_constraints.eq(p); }
signed_constraint diseq(pdd const& p) { return ~m_constraints.eq(p); }
@ -328,8 +334,16 @@ namespace polysat {
signed_constraint ult(rational const& p, pdd const& q) { return ult(q.manager().mk_val(p), q); }
signed_constraint sle(pdd const& p, pdd const& q) { return m_constraints.sle(p, q); }
signed_constraint slt(pdd const& p, pdd const& q) { return m_constraints.slt(p, q); }
signed_constraint slt(pdd const& p, rational const& q) { return slt(p, p.manager().mk_val(q)); }
signed_constraint slt(rational const& p, pdd const& q) { return slt(q.manager().mk_val(p), q); }
signed_constraint slt(pdd const& p, int n) { return slt(p, rational(n)); }
signed_constraint slt(int n, pdd const& p) { return slt(rational(n), p); }
signed_constraint sgt(pdd const& p, pdd const& q) { return slt(q, p); }
signed_constraint sgt(pdd const& p, int n) { return slt(n, p); }
signed_constraint sgt(int n, pdd const& p) { return slt(p, n); }
signed_constraint mul_ovfl(pdd const& p, pdd const& q) { return m_constraints.mul_ovfl(p, q); }
signed_constraint mul_ovfl(rational const& p, pdd const& q) { return mul_ovfl(q.manager().mk_val(p), q); }
signed_constraint smul_ovfl(pdd const& p, pdd const& q) { return m_constraints.smul_ovfl(p, q); }
signed_constraint bit(pdd const& p, unsigned i) { return m_constraints.bit(p, i); }
/** Create and activate polynomial constraints. */