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Use nullptr.

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This commit is contained in:
Bruce Mitchener 2018-02-12 14:05:55 +07:00
parent f01328c65f
commit 76eb7b9ede
625 changed files with 4639 additions and 4639 deletions
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14
src/muz/base/hnf.cpp
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@ -153,7 +153,7 @@ public:
m_fresh_predicates.reset();
m_todo.push_back(n);
m_proofs.push_back(p);
m_produce_proofs = p != 0;
m_produce_proofs = p != nullptr;
while (!m_todo.empty() && checkpoint()) {
fml = m_todo.back();
pr = m_proofs.back();
@ -269,7 +269,7 @@ private:
expr* const* args = _or->get_args();
for (unsigned i = 0; i < sz; ++i) {
m_todo.push_back(bind_variables(m.mk_implies(args[i], head)));
m_proofs.push_back(0);
m_proofs.push_back(nullptr);
}
if (premise) {
@ -284,7 +284,7 @@ private:
m_proofs[m_proofs.size()-sz+i] = m.mk_and_elim(p2, i);
}
}
fml = 0;
fml = nullptr;
return;
}
@ -330,7 +330,7 @@ private:
bool is_disj = false;
expr_ref_vector _body(m);
unsigned num_disj = 0;
expr* const* disjs = 0;
expr* const* disjs = nullptr;
if (!contains_predicate(b)) {
return;
}
@ -356,7 +356,7 @@ private:
negate_args = false;
}
if (is_disj) {
app* old_head = 0;
app* old_head = nullptr;
if (m_memoize_disj.find(b, old_head)) {
body = old_head;
}
@ -369,7 +369,7 @@ private:
e = m.mk_not(e);
}
m_todo.push_back(bind_variables(m.mk_implies(e, head)));
m_proofs.push_back(0);
m_proofs.push_back(nullptr);
if (produce_proofs()) {
defs.push_back(m.mk_def_intro(m_todo.back()));
m_proofs[m_proofs.size()-1] = defs.back();
@ -423,7 +423,7 @@ private:
if (!is_predicate(e)) {
app_ref head = mk_fresh_head(e);
m_todo.push_back(bind_variables(m.mk_implies(e, head)));
m_proofs.push_back(0);
m_proofs.push_back(nullptr);
body = m.update_quantifier(q, head);
if (produce_proofs()) {
proof* def_intro = m.mk_def_intro(m_todo.back());