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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/math/grobner/grobner.cpp
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@ -29,7 +29,7 @@ grobner::grobner(ast_manager & m, v_dependency_manager & d):
m_var_lt(m_var2weight),
m_monomial_lt(m_var_lt),
m_changed_leading_term(false),
m_unsat(0) {
m_unsat(nullptr) {
}
grobner::~grobner() {
@ -116,7 +116,7 @@ void grobner::reset() {
m_to_process.reset();
m_equations_to_unfreeze.reset();
m_equations_to_delete.reset();
m_unsat = 0;
m_unsat = nullptr;
}
void grobner::display_var(std::ostream & out, expr * var) const {
@ -410,7 +410,7 @@ void grobner::assert_monomial_tautology(expr * m) {
m1->m_vars.push_back(m);
eq->m_monomials.push_back(m1);
normalize_coeff(eq->m_monomials);
init_equation(eq, static_cast<v_dependency*>(0)); \
init_equation(eq, static_cast<v_dependency*>(nullptr)); \
m_to_process.insert(eq);
}
@ -625,7 +625,7 @@ grobner::equation * grobner::copy_equation(equation const * eq) {
grobner::equation * grobner::simplify(equation const * source, equation * target) {
TRACE("grobner", tout << "simplifying: "; display_equation(tout, *target); tout << "using: "; display_equation(tout, *source););
if (source->get_num_monomials() == 0)
return 0;
return nullptr;
m_stats.m_simplify++;
bool result = false;
bool simplified;
@ -676,7 +676,7 @@ grobner::equation * grobner::simplify(equation const * source, equation * target
}
while (simplified && !m_manager.canceled());
TRACE("grobner", tout << "result: "; display_equation(tout, *target););
return result ? target : 0;
return result ? target : nullptr;
}
/**
@ -702,13 +702,13 @@ grobner::equation * grobner::simplify_using_processed(equation * eq) {
eq = new_eq;
}
if (m_manager.canceled()) {
return 0;
return nullptr;
}
}
}
while (simplified);
TRACE("grobner", tout << "simplification result: "; display_equation(tout, *eq););
return result ? eq : 0;
return result ? eq : nullptr;
}
/**
@ -732,7 +732,7 @@ bool grobner::is_better_choice(equation * eq1, equation * eq2) {
\brief Pick next unprocessed equation
*/
grobner::equation * grobner::pick_next() {
equation * r = 0;
equation * r = nullptr;
ptr_buffer<equation> to_delete;
equation_set::iterator it = m_to_process.begin();
equation_set::iterator end = m_to_process.end();
@ -767,7 +767,7 @@ bool grobner::simplify_processed(equation * eq) {
m_changed_leading_term = false;
// if the leading term is simplified, then the equation has to be moved to m_to_process
equation * new_curr = simplify(eq, curr);
if (new_curr != 0) {
if (new_curr != nullptr) {
if (new_curr != curr) {
m_equations_to_unfreeze.push_back(curr);
to_remove.push_back(curr);
@ -817,7 +817,7 @@ void grobner::simplify_to_process(equation * eq) {
for (; it != end; ++it) {
equation * curr = *it;
equation * new_curr = simplify(eq, curr);
if (new_curr != 0 && new_curr != curr) {
if (new_curr != nullptr && new_curr != curr) {
m_equations_to_unfreeze.push_back(curr);
to_insert.push_back(new_curr);
to_remove.push_back(curr);
@ -947,7 +947,7 @@ bool grobner::compute_basis_step() {
}
#endif
equation * new_eq = simplify_using_processed(eq);
if (new_eq != 0 && eq != new_eq) {
if (new_eq != nullptr && eq != new_eq) {
// equation was updated using non destructive updates
m_equations_to_unfreeze.push_back(eq);
eq = new_eq;