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add circuit and unate encoding besides sorting option

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-07-06 21:09:13 -07:00
parent 0b30ddb769
commit 3ae0ea8246
8 changed files with 488 additions and 184 deletions
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34
src/smt/theory_pb.cpp
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@ -1429,23 +1429,27 @@ namespace smt {
return literal(ctx.mk_bool_var(y));
}
literal mk_max(literal a, literal b) {
if (a == b) return a;
expr_ref t1(m), t2(m), t3(m);
ctx.literal2expr(a, t1);
ctx.literal2expr(b, t2);
t3 = m.mk_or(t1, t2);
bool_var v = ctx.b_internalized(t3)?ctx.get_bool_var(t3):ctx.mk_bool_var(t3);
literal mk_max(unsigned n, literal const* lits) {
expr_ref_vector es(m);
expr_ref tmp(m);
for (unsigned i = 0; i < n; ++i) {
ctx.literal2expr(lits[i], tmp);
es.push_back(tmp);
}
tmp = m.mk_or(es.size(), es.c_ptr());
bool_var v = ctx.b_internalized(tmp)?ctx.get_bool_var(tmp):ctx.mk_bool_var(tmp);
return literal(v);
}
literal mk_min(literal a, literal b) {
if (a == b) return a;
expr_ref t1(m), t2(m), t3(m);
ctx.literal2expr(a, t1);
ctx.literal2expr(b, t2);
t3 = m.mk_and(t1, t2);
bool_var v = ctx.b_internalized(t3)?ctx.get_bool_var(t3):ctx.mk_bool_var(t3);
literal mk_min(unsigned n, literal const* lits) {
expr_ref_vector es(m);
expr_ref tmp(m);
for (unsigned i = 0; i < n; ++i) {
ctx.literal2expr(lits[i], tmp);
es.push_back(tmp);
}
tmp = m.mk_and(es.size(), es.c_ptr());
bool_var v = ctx.b_internalized(tmp)?ctx.get_bool_var(tmp):ctx.mk_bool_var(tmp);
return literal(v);
}