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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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4
src/solver/mus.cpp
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@ -136,7 +136,7 @@ struct mus::imp {
// use correction sets
lbool get_mus2(expr_ref_vector& mus) {
expr* lit = 0;
expr* lit = nullptr;
lbool is_sat;
ptr_vector<expr> unknown(m_lit2expr.size(), m_lit2expr.c_ptr());
while (!unknown.empty()) {
@ -163,7 +163,7 @@ struct mus::imp {
expr_ref_vector nmcs(m);
expr_set core, min_core, nmcs_set;
bool min_core_valid = false;
expr* min_lit = 0;
expr* min_lit = nullptr;
while (!unknown.empty()) {
expr* lit = unknown.back();
unknown.pop_back();