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add smul over and underflow predicate

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-02-20 11:39:45 +02:00
parent dc3b921712
commit 1faccffd0d
8 changed files with 88 additions and 50 deletions
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16
src/math/polysat/constraint.cpp
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@ -19,7 +19,7 @@ Author:
#include "math/polysat/log_helper.h"
#include "math/polysat/ule_constraint.h"
#include "math/polysat/mul_ovfl_constraint.h"
#include "math/polysat/smul_ovfl_constraint.h"
#include "math/polysat/smul_fl_constraint.h"
#include "math/polysat/op_constraint.h"
namespace polysat {
@ -239,7 +239,11 @@ namespace polysat {
}
signed_constraint constraint_manager::smul_ovfl(pdd const& a, pdd const& b) {
return { dedup(alloc(smul_ovfl_constraint, *this, a, b)), true };
return { dedup(alloc(smul_fl_constraint, *this, a, b, true)), true };
}
signed_constraint constraint_manager::smul_udfl(pdd const& a, pdd const& b) {
return { dedup(alloc(smul_fl_constraint, *this, a, b, false)), true };
}
signed_constraint constraint_manager::lshr(pdd const& p, pdd const& q, pdd const& r) {
@ -296,12 +300,12 @@ namespace polysat {
return *dynamic_cast<mul_ovfl_constraint const*>(this);
}
smul_ovfl_constraint& constraint::to_smul_ovfl() {
return *dynamic_cast<smul_ovfl_constraint*>(this);
smul_fl_constraint& constraint::to_smul_fl() {
return *dynamic_cast<smul_fl_constraint*>(this);
}
smul_ovfl_constraint const& constraint::to_smul_ovfl() const {
return *dynamic_cast<smul_ovfl_constraint const*>(this);
smul_fl_constraint const& constraint::to_smul_fl() const {
return *dynamic_cast<smul_fl_constraint const*>(this);
}
op_constraint& constraint::to_op() {