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local changes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-12-26 10:19:48 -08:00
parent c44dd01292
commit 7210f6e912
2 changed files with 86 additions and 4 deletions
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38
src/smt/theory_pb.cpp
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@ -227,7 +227,43 @@ namespace smt {
SASSERT(sum >= k());
return true;
}
// cardinality
//
//
lbool theory_pb::cardinality::assign_at_least(theory_pb& th, literal lit) {
// literal is assigned to false.
context& ctx = th.get_context();
SASSERT(m_type == le_t);
SASSERT(m_bound > 0);
SASSERT(m_args.size() >= 2*m_bound);
SASSERT(m_watch_sum < m_bound);
unsigned index = m_bound + 1;
bool all_false = true;
for (unsigned i = 0; i <= m_bound; ++i) {
if (m_args[i] == lit) {
index = i;
break;
}
all_false &= (value(args[i]) == l_false);
}
for (unsigned i = m_bound + 1; i < m_args.size(); ++i) {
if (value(m_args[i]) != l_false) {
std::swap(m_args[index], m_args[i]);
// watch m_args[index] now
// end-clause-case
}
}
if (all_false) {
}
return l_undef;
}
theory_pb::theory_pb(ast_manager& m, theory_pb_params& p):
theory(m.mk_family_id("pb")),
m_params(p),