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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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18
src/sat/sat_solver/inc_sat_solver.cpp
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@ -68,7 +68,7 @@ class inc_sat_solver : public solver {
typedef obj_map<expr, sat::literal> dep2asm_t;
public:
inc_sat_solver(ast_manager& m, params_ref const& p):
m(m), m_solver(p, m.limit(), 0),
m(m), m_solver(p, m.limit(), nullptr),
m_optimize_model(false),
m_fmls(m),
m_asmsf(m),
@ -106,7 +106,7 @@ public:
void set_progress_callback(progress_callback * callback) override {}
void display_weighted(std::ostream& out, unsigned sz, expr * const * assumptions, unsigned const* weights) {
if (weights != 0) {
if (weights != nullptr) {
for (unsigned i = 0; i < sz; ++i) m_weights.push_back(weights[i]);
}
init_preprocess();
@ -155,7 +155,7 @@ public:
TRACE("sat", tout << _assumptions << "\n";);
dep2asm_t dep2asm;
m_model = 0;
m_model = nullptr;
lbool r = internalize_formulas();
if (r != l_true) return r;
r = internalize_assumptions(sz, _assumptions.c_ptr(), dep2asm);
@ -258,7 +258,7 @@ public:
}
proof * get_proof() override {
UNREACHABLE();
return 0;
return nullptr;
}
lbool get_consequences_core(expr_ref_vector const& assumptions, expr_ref_vector const& vars, expr_ref_vector& conseq) override {
@ -403,8 +403,8 @@ private:
catch (tactic_exception & ex) {
IF_VERBOSE(0, verbose_stream() << "exception in tactic " << ex.msg() << "\n";);
TRACE("sat", tout << "exception: " << ex.msg() << "\n";);
m_preprocess = 0;
m_bb_rewriter = 0;
m_preprocess = nullptr;
m_bb_rewriter = nullptr;
return l_undef;
}
if (m_subgoals.size() != 1) {
@ -515,7 +515,7 @@ private:
expr_ref_vector conj(m);
internalize_value(value, v, val);
while (!premises.empty()) {
expr* e = 0;
expr* e = nullptr;
VERIFY(asm2dep.find(premises.pop().index(), e));
conj.push_back(e);
}
@ -616,7 +616,7 @@ private:
m_core.reset();
for (unsigned i = 0; i < core.size(); ++i) {
expr* e = 0;
expr* e = nullptr;
VERIFY(asm2dep.find(core[i].index(), e));
if (asm2fml.contains(e)) {
e = asm2fml.find(e);
@ -643,7 +643,7 @@ private:
void extract_model() {
TRACE("sat", tout << "retrieve model " << (m_solver.model_is_current()?"present":"absent") << "\n";);
if (!m_solver.model_is_current()) {
m_model = 0;
m_model = nullptr;
return;
}
sat::model const & ll_m = m_solver.get_model();