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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/sat/sat_solver.cpp
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@ -36,7 +36,7 @@ namespace sat {
m_checkpoint_enabled(true),
m_config(p),
m_ext(ext),
m_par(0),
m_par(nullptr),
m_cleaner(*this),
m_simplifier(*this, p),
m_scc(*this, p),
@ -198,7 +198,7 @@ namespace sat {
bool keep = simplify_clause(num_lits, lits);
TRACE("sat_mk_clause", tout << "mk_clause (after simp), keep: " << keep << "\n" << mk_lits_pp(num_lits, lits) << "\n";);
if (!keep) {
return 0; // clause is equivalent to true.
return nullptr; // clause is equivalent to true.
}
++m_stats.m_non_learned_generation;
}
@ -206,13 +206,13 @@ namespace sat {
switch (num_lits) {
case 0:
set_conflict(justification());
return 0;
return nullptr;
case 1:
assign(lits[0], justification());
return 0;
return nullptr;
case 2:
mk_bin_clause(lits[0], lits[1], learned);
return 0;
return nullptr;
case 3:
return mk_ter_clause(lits, learned);
default:
@ -815,7 +815,7 @@ namespace sat {
if (i == 1 + num_threads/2) {
m_params.set_sym("phase", symbol("random"));
}
solvers[i] = alloc(sat::solver, m_params, rlims[i], 0);
solvers[i] = alloc(sat::solver, m_params, rlims[i], nullptr);
solvers[i]->copy(*this);
solvers[i]->set_par(&par);
scoped_rlimit.push_child(&solvers[i]->rlimit());
@ -874,7 +874,7 @@ namespace sat {
}
}
}
set_par(0);
set_par(nullptr);
if (finished_id != -1 && finished_id < num_extra_solvers) {
m_stats = solvers[finished_id]->m_stats;
}