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adding band

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-12-11 14:51:21 -08:00
parent 45b0be3b37
commit bbec72f0b3
9 changed files with 55 additions and 45 deletions
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31
src/sat/smt/polysat/constraints.cpp
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@ -17,6 +17,7 @@ Author:
#include "sat/smt/polysat/constraints.h"
#include "sat/smt/polysat/ule_constraint.h"
#include "sat/smt/polysat/umul_ovfl_constraint.h"
#include "sat/smt/polysat/op_constraint.h"
namespace polysat {
@ -36,6 +37,30 @@ namespace polysat {
return signed_constraint(ckind_t::umul_ovfl_t, cnstr);
}
signed_constraint constraints::lshr(pdd const& a, pdd const& b, pdd const& r) {
auto* cnstr = alloc(op_constraint, op_constraint::code::lshr_op, a, b, r);
c.trail().push(new_obj_trail(cnstr));
return signed_constraint(ckind_t::op_t, cnstr);
}
signed_constraint constraints::ashr(pdd const& a, pdd const& b, pdd const& r) {
auto* cnstr = alloc(op_constraint, op_constraint::code::ashr_op, a, b, r);
c.trail().push(new_obj_trail(cnstr));
return signed_constraint(ckind_t::op_t, cnstr);
}
signed_constraint constraints::shl(pdd const& a, pdd const& b, pdd const& r) {
auto* cnstr = alloc(op_constraint, op_constraint::code::shl_op, a, b, r);
c.trail().push(new_obj_trail(cnstr));
return signed_constraint(ckind_t::op_t, cnstr);
}
signed_constraint constraints::band(pdd const& a, pdd const& b, pdd const& r) {
auto* cnstr = alloc(op_constraint, op_constraint::code::and_op, a, b, r);
c.trail().push(new_obj_trail(cnstr));
return signed_constraint(ckind_t::op_t, cnstr);
}
bool signed_constraint::is_eq(pvar& v, rational& val) {
if (m_sign)
return false;
@ -64,10 +89,4 @@ namespace polysat {
return out << *m_constraint;
}
bool signed_constraint::is_always_true() const {
return m_sign ? m_constraint->is_always_false() : m_constraint->is_always_true();
}
bool signed_constraint::is_always_false() const {
return m_sign ? m_constraint->is_always_true() : m_constraint->is_always_false();
}
}