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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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10
src/ast/proofs/proof_utils.cpp
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@ -143,7 +143,7 @@ class reduce_hypotheses {
void reduce(proof* pf, proof_ref &out)
{
proof *res = NULL;
proof *res = nullptr;
m_todo.reset();
m_todo.push_back(pf);
@ -392,7 +392,7 @@ class reduce_hypotheses0 {
}
void add_hypotheses(proof* p) {
expr_set* hyps = 0;
expr_set* hyps = nullptr;
bool inherited = false;
if (p->get_decl_kind() == PR_HYPOTHESIS) {
hyps = alloc(expr_set);
@ -509,7 +509,7 @@ public:
// eliminate hypothesis recursively in the proof of the lemma
elim(tmp);
expr_set* hyps = m_hypmap.find(tmp);
expr_set* new_hyps = 0;
expr_set* new_hyps = nullptr;
// XXX if the proof is correct, the hypotheses of the tmp
// XXX should be exactly those of the consequence of the lemma
// XXX but if this code actually eliminates hypotheses, the set might be a subset
@ -567,7 +567,7 @@ public:
}
if (new_hyps && new_hyps->empty()) {
dealloc(new_hyps);
new_hyps = 0;
new_hyps = nullptr;
}
m_hypmap.insert(result, new_hyps);
// might push 0 into m_hyprefs. No reason for that
@ -822,7 +822,7 @@ bool proof_utils::is_closed(ast_manager& m, proof* p) {
static void permute_unit_resolution(expr_ref_vector& refs, obj_map<proof,proof*>& cache, proof_ref& pr) {
ast_manager& m = pr.get_manager();
proof* pr2 = 0;
proof* pr2 = nullptr;
proof_ref_vector parents(m);
proof_ref prNew(pr);
if (cache.find(pr, pr2)) {