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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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16
src/tactic/arith/recover_01_tactic.cpp
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@ -70,7 +70,7 @@ class recover_01_tactic : public tactic {
bool save_clause(expr * c) {
if (!m.is_or(c))
return false;
func_decl * x = 0;
func_decl * x = nullptr;
app * cls = to_app(c);
if (cls->get_num_args() <= 1 || cls->get_num_args() >= m_cls_max_size)
return false;
@ -84,7 +84,7 @@ class recover_01_tactic : public tactic {
else if (m.is_not(lit, arg) && is_uninterp_const(arg)) {
// negative literal
}
else if (x == 0 && m.is_eq(lit, lhs, rhs)) {
else if (x == nullptr && m.is_eq(lit, lhs, rhs)) {
// x = k literal
if (is_uninterp_const(lhs) && m_util.is_numeral(rhs)) {
x = to_app(lhs)->get_decl();
@ -101,7 +101,7 @@ class recover_01_tactic : public tactic {
}
}
if (x != 0) {
if (x != nullptr) {
var2clauses::obj_map_entry * entry = m_var2clauses.insert_if_not_there2(x, ptr_vector<app>());
if (entry->get_data().m_value.empty() || entry->get_data().m_value.back()->get_num_args() == cls->get_num_args()) {
entry->get_data().m_value.push_back(cls);
@ -134,7 +134,7 @@ class recover_01_tactic : public tactic {
}
}
}
return 0;
return nullptr;
}
// Find coeff (the k of literal (x = k)) of clause cls.
@ -199,7 +199,7 @@ class recover_01_tactic : public tactic {
SASSERT(is_uninterp_const(atom));
expr * var;
if (!bool2int.find(atom, var)) {
var = m.mk_fresh_const(0, m_util.mk_int());
var = m.mk_fresh_const(nullptr, m_util.mk_int());
new_goal->assert_expr(m_util.mk_le(m_util.mk_numeral(rational(0), true), var));
new_goal->assert_expr(m_util.mk_le(var, m_util.mk_numeral(rational(1), true)));
expr * bool_def = m.mk_eq(var, m_util.mk_numeral(rational(1), true));
@ -225,7 +225,7 @@ class recover_01_tactic : public tactic {
if (clauses.size() < expected_num_clauses) // using < instead of != because we tolerate duplicates
return false;
app * zero_cls = find_zero_cls(x, clauses);
if (zero_cls == 0)
if (zero_cls == nullptr)
return false;
buffer<bool> found; // marks which idx were found
@ -302,7 +302,7 @@ class recover_01_tactic : public tactic {
fail_if_proof_generation("recover-01", g);
fail_if_unsat_core_generation("recover-01", g);
m_produce_models = g->models_enabled();
mc = 0; pc = 0; core = 0; result.reset();
mc = nullptr; pc = nullptr; core = nullptr; result.reset();
tactic_report report("recover-01", *g);
bool saved = false;
@ -357,7 +357,7 @@ class recover_01_tactic : public tactic {
if (!recovered) {
result.push_back(g.get());
mc = 0;
mc = nullptr;
return;
}