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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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22
src/ast/rewriter/poly_rewriter_def.h
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@ -206,7 +206,7 @@ br_status poly_rewriter<Config>::mk_nflat_mul_core(unsigned num_args, expr * con
numeral c(1);
unsigned num_coeffs = 0;
unsigned num_add = 0;
expr * var = 0;
expr * var = nullptr;
for (unsigned i = 0; i < num_args; i++) {
expr * arg = args[i];
if (is_numeral(arg, a)) {
@ -290,13 +290,13 @@ br_status poly_rewriter<Config>::mk_nflat_mul_core(unsigned num_args, expr * con
if (!m_som || num_add == 0) {
ptr_buffer<expr> new_args;
expr * prev = 0;
expr * prev = nullptr;
bool ordered = true;
for (unsigned i = 0; i < num_args; i++) {
expr * curr = args[i];
if (is_numeral(curr))
continue;
if (prev != 0 && lt(curr, prev))
if (prev != nullptr && lt(curr, prev))
ordered = false;
new_args.push_back(curr);
prev = curr;
@ -532,7 +532,7 @@ br_status poly_rewriter<Config>::mk_nflat_add_core(unsigned num_args, expr * con
expr_fast_mark1 visited; // visited.is_marked(power_product) if the power_product occurs in args
expr_fast_mark2 multiple; // multiple.is_marked(power_product) if power_product occurs more than once
bool has_multiple = false;
expr * prev = 0;
expr * prev = nullptr;
bool ordered = true;
for (unsigned i = 0; i < num_args; i++) {
expr * arg = args[i];
@ -543,7 +543,7 @@ br_status poly_rewriter<Config>::mk_nflat_add_core(unsigned num_args, expr * con
ordered = !m_sort_sums || i == 0;
}
else if (m_sort_sums && ordered) {
if (prev != 0 && lt(arg, prev))
if (prev != nullptr && lt(arg, prev))
ordered = false;
prev = arg;
}
@ -874,8 +874,8 @@ br_status poly_rewriter<Config>::cancel_monomials(expr * lhs, expr * rhs, bool m
const bool insert_c_rhs = c_at_rhs && (new_rhs_monomials.size() == 1 || !c.is_zero());
const unsigned lhs_offset = insert_c_lhs ? 0 : 1;
const unsigned rhs_offset = insert_c_rhs ? 0 : 1;
new_rhs_monomials[0] = insert_c_rhs ? mk_numeral(c) : NULL;
new_lhs_monomials[0] = insert_c_lhs ? mk_numeral(c) : NULL;
new_rhs_monomials[0] = insert_c_rhs ? mk_numeral(c) : nullptr;
new_lhs_monomials[0] = insert_c_lhs ? mk_numeral(c) : nullptr;
lhs_result = mk_add_app(new_lhs_monomials.size() - lhs_offset, new_lhs_monomials.c_ptr() + lhs_offset);
rhs_result = mk_add_app(new_rhs_monomials.size() - rhs_offset, new_rhs_monomials.c_ptr() + rhs_offset);
TRACE("mk_le_bug", tout << lhs_result << " " << rhs_result << "\n";);
@ -994,7 +994,7 @@ bool poly_rewriter<Config>::is_var_plus_ground(expr * n, bool & inv, var * & v,
return false;
ptr_buffer<expr> args;
v = 0;
v = nullptr;
expr * curr = to_app(n);
bool stop = false;
inv = false;
@ -1013,12 +1013,12 @@ bool poly_rewriter<Config>::is_var_plus_ground(expr * n, bool & inv, var * & v,
args.push_back(arg);
}
else if (is_var(arg)) {
if (v != 0)
if (v != nullptr)
return false; // already found variable
v = to_var(arg);
}
else if (is_times_minus_one(arg, neg_arg) && is_var(neg_arg)) {
if (v != 0)
if (v != nullptr)
return false; // already found variable
v = to_var(neg_arg);
inv = true;
@ -1027,7 +1027,7 @@ bool poly_rewriter<Config>::is_var_plus_ground(expr * n, bool & inv, var * & v,
return false; // non ground term.
}
}
if (v == 0)
if (v == nullptr)
return false; // did not find variable
SASSERT(!args.empty());
mk_add(args.size(), args.c_ptr(), t);