mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-29 20:05:51 +00:00
Code Activity

sign and zero extend

Browse source
This commit is contained in:
Nikolaj Bjorner 2023-12-10 23:14:24 -08:00
parent 561d3e8eb9
commit 858b7a8494
4 changed files with 43 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/sat/smt/polysat_solver.cpp
View file

@ -30,9 +30,6 @@ The result of polysat::core::check is one of:
#include "sat/smt/polysat/ule_constraint.h"
#include "sat/smt/polysat/umul_ovfl_constraint.h"
namespace polysat {
solver::solver(euf::solver& ctx, theory_id id):
@ -288,11 +285,13 @@ namespace polysat {
expr* n = bv.mk_numeral(p.val(), p.power_of_2());
return expr_ref(n, m);
}
auto lo = pdd2expr(p.lo());
auto hi = pdd2expr(p.hi());
auto v = var2enode(m_pddvar2var[p.var()]);
hi = bv.mk_bv_mul(v->get_expr(), hi);
return expr_ref(bv.mk_bv_add(lo, hi), m);
expr* r = v->get_expr();
if (!p.hi().is_one())
r = bv.mk_bv_mul(r, pdd2expr(p.hi()));
if (!p.lo().is_zero())
r = bv.mk_bv_add(r, pdd2expr(p.lo()));
return expr_ref(r, m);
}
// walk the egraph starting with pvar for overlaps.