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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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12
src/muz/transforms/dl_mk_quantifier_instantiation.cpp
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@ -139,7 +139,7 @@ namespace datalog {
return;
}
expr* arg = pat->get_arg(i);
ptr_vector<expr>* terms = 0;
ptr_vector<expr>* terms = nullptr;
if (m_funs.find(to_app(arg)->get_decl(), terms)) {
for (unsigned k = 0; k < terms->size(); ++k) {
@ -185,7 +185,7 @@ namespace datalog {
}
if (is_app(e)) {
app* ap = to_app(e);
ptr_vector<expr>* terms = 0;
ptr_vector<expr>* terms = nullptr;
if (!m_funs.find(ap->get_decl(), terms)) {
terms = alloc(ptr_vector<expr>);
m_funs.insert(ap->get_decl(), terms);
@ -250,7 +250,7 @@ namespace datalog {
rule_set * mk_quantifier_instantiation::operator()(rule_set const & source) {
if (!m_ctx.instantiate_quantifiers()) {
return 0;
return nullptr;
}
bool has_quantifiers = false;
unsigned sz = source.get_num_rules();
@ -259,11 +259,11 @@ namespace datalog {
rule& r = *source.get_rule(i);
has_quantifiers = has_quantifiers || rm.has_quantifiers(r);
if (r.has_negation()) {
return 0;
return nullptr;
}
}
if (!has_quantifiers) {
return 0;
return nullptr;
}
expr_ref_vector conjs(m);
@ -291,7 +291,7 @@ namespace datalog {
}
else {
dealloc(result);
result = 0;
result = nullptr;
}
return result;
}