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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/tactic/arith/degree_shift_tactic.cpp
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@ -94,7 +94,7 @@ class degree_shift_tactic : public tactic {
m_autil(_m),
m_pinned(_m),
m_one(1),
m_rw(0) {
m_rw(nullptr) {
}
@ -205,8 +205,8 @@ class degree_shift_tactic : public tactic {
void prepare_substitution(model_converter_ref & mc) {
SASSERT(!m_var2degree.empty());
filter_model_converter * fmc = 0;
extension_model_converter * xmc = 0;
filter_model_converter * fmc = nullptr;
extension_model_converter * xmc = nullptr;
if (m_produce_models) {
fmc = alloc(filter_model_converter, m);
xmc = alloc(extension_model_converter, m);
@ -217,7 +217,7 @@ class degree_shift_tactic : public tactic {
for (; it != end; ++it) {
SASSERT(it->m_value.is_int());
SASSERT(it->m_value >= rational(2));
app * fresh = m.mk_fresh_const(0, it->m_key->get_decl()->get_range());
app * fresh = m.mk_fresh_const(nullptr, it->m_key->get_decl()->get_range());
m_pinned.push_back(fresh);
m_var2var.insert(it->m_key, fresh);
if (m_produce_models) {
@ -241,7 +241,7 @@ class degree_shift_tactic : public tactic {
proof_converter_ref & pc,
expr_dependency_ref & core) {
SASSERT(g->is_well_sorted());
mc = 0; pc = 0; core = 0;
mc = nullptr; pc = nullptr; core = nullptr;
m_produce_proofs = g->proofs_enabled();
m_produce_models = g->models_enabled();
tactic_report report("degree_shift", *g);
@ -275,12 +275,12 @@ class degree_shift_tactic : public tactic {
if (it->m_value.is_even()) {
app * new_var = m_var2var.find(it->m_key);
app * new_c = m_autil.mk_ge(new_var, m_autil.mk_numeral(rational(0), false));
proof * new_pr = 0;
proof * new_pr = nullptr;
if (m_produce_proofs) {
proof * pr = m_var2pr.find(it->m_key);
new_pr = m.mk_th_lemma(m_autil.get_family_id(), new_c, 1, &pr);
}
g->assert_expr(new_c, new_pr, 0);
g->assert_expr(new_c, new_pr, nullptr);
}
}
}