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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/bv/max_bv_sharing_tactic.cpp
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@ -84,7 +84,7 @@ class max_bv_sharing_tactic : public tactic {
return m().mk_app(f, arg1, arg2);
if (s.contains(expr_pair(arg2, arg1)))
return m().mk_app(f, arg2, arg1);
return 0;
return nullptr;
}
struct ref_count_lt {
@ -106,10 +106,10 @@ class max_bv_sharing_tactic : public tactic {
ptr_buffer<expr, 128> _args;
bool first = false;
expr * num = 0;
expr * num = nullptr;
for (unsigned i = 0; i < num_args; i++) {
expr * arg = args[i];
if (num == 0 && m_util.is_numeral(arg)) {
if (num == nullptr && m_util.is_numeral(arg)) {
if (i == 0) first = true;
num = arg;
}
@ -128,7 +128,7 @@ class max_bv_sharing_tactic : public tactic {
for (unsigned i = 0; i < num_args - 1; i++) {
for (unsigned j = i + 1; j < num_args; j++) {
expr * r = reuse(s, f, _args[i], _args[j]);
if (r != 0) {
if (r != nullptr) {
TRACE("bv_sharing_detail", tout << "reusing args: " << i << " " << j << "\n";);
_args[i] = r;
SASSERT(num_args > 1);
@ -186,7 +186,7 @@ class max_bv_sharing_tactic : public tactic {
}
num_args = j;
if (num_args == 1) {
if (num == 0) {
if (num == nullptr) {
result = _args[0];
}
else {
@ -209,7 +209,7 @@ class max_bv_sharing_tactic : public tactic {
case OP_BMUL:
case OP_BOR:
case OP_BXOR:
result_pr = 0;
result_pr = nullptr;
return reduce_ac_app(f, num, args, result);
default:
return BR_FAILED;
@ -242,7 +242,7 @@ class max_bv_sharing_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;
tactic_report report("max-bv-sharing", *g);
bool produce_proofs = g->proofs_enabled();