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namespace md {
#ifdef MD_DEBUG
long long int CellWithValue<Real>::max_id = 0;
#endif
template<class Real>
Real CellWithValue<Real>::value_at(ValuePoint vp) const
{
switch(vp) {
case ValuePoint::upper_left :
return upper_left_value_;
case ValuePoint::upper_right :
return upper_right_value_;
case ValuePoint::lower_left :
return lower_left_value_;
case ValuePoint::lower_right :
return lower_right_value_;
case ValuePoint::center:
return central_value_;
}
// to shut up compiler warning
return 1.0 / 0.0;
}
template<class Real>
bool CellWithValue<Real>::has_value_at(ValuePoint vp) const
{
switch(vp) {
case ValuePoint::upper_left :
return upper_left_value_ >= 0;
case ValuePoint::upper_right :
return upper_right_value_ >= 0;
case ValuePoint::lower_left :
return lower_left_value_ >= 0;
case ValuePoint::lower_right :
return lower_right_value_ >= 0;
case ValuePoint::center:
return central_value_ >= 0;
}
// to shut up compiler warning
return 1.0 / 0.0;
}
template<class Real>
DualPoint<Real> CellWithValue<Real>::value_point(md::ValuePoint vp) const
{
switch(vp) {
case ValuePoint::upper_left :
return dual_box().upper_left();
case ValuePoint::upper_right :
return dual_box().upper_right();
case ValuePoint::lower_left :
return dual_box().lower_left();
case ValuePoint::lower_right :
return dual_box().lower_right();
case ValuePoint::center:
return dual_box().center();
}
// to shut up compiler warning
return DualPoint<Real>();
}
template<class Real>
bool CellWithValue<Real>::has_corner_value() const
{
return has_lower_left_value() or has_lower_right_value() or has_upper_left_value()
or has_upper_right_value();
}
template<class Real>
Real CellWithValue<Real>::stored_upper_bound() const
{
assert(has_max_possible_value_);
return max_possible_value_;
}
template<class Real>
Real CellWithValue<Real>::max_corner_value() const
{
return std::max({lower_left_value_, lower_right_value_, upper_left_value_, upper_right_value_});
}
template<class Real>
Real CellWithValue<Real>::min_value() const
{
Real result = std::numeric_limits<Real>::max();
for(auto vp : k_all_vps) {
if (not has_value_at(vp)) {
continue;
}
result = std::min(result, value_at(vp));
}
return result;
}
template<class Real>
std::vector<CellWithValue<Real>> CellWithValue<Real>::get_refined_cells() const
{
std::vector<CellWithValue<Real>> result;
result.reserve(4);
for(const auto& refined_box : dual_box_.refine()) {
CellWithValue<Real> refined_cell(refined_box, level() + 1);
#ifdef MD_DEBUG
refined_cell.parent_ids = parent_ids;
refined_cell.parent_ids.push_back(id);
refined_cell.id = ++max_id;
#endif
if (refined_box.lower_left() == dual_box_.lower_left()) {
// _|_
// H|_
refined_cell.set_value_at(ValuePoint::lower_left, lower_left_value_);
refined_cell.set_value_at(ValuePoint::upper_right, central_value_);
} else if (refined_box.upper_right() == dual_box_.upper_right()) {
// _|H
// _|_
refined_cell.set_value_at(ValuePoint::lower_left, central_value_);
refined_cell.set_value_at(ValuePoint::upper_right, upper_right_value_);
} else if (refined_box.lower_right() == dual_box_.lower_right()) {
// _|_
// _|H
refined_cell.set_value_at(ValuePoint::lower_right, lower_right_value_);
refined_cell.set_value_at(ValuePoint::upper_left, central_value_);
} else if (refined_box.upper_left() == dual_box_.upper_left()) {
// H|_
// _|_
refined_cell.set_value_at(ValuePoint::lower_right, central_value_);
refined_cell.set_value_at(ValuePoint::upper_left, upper_left_value_);
}
result.emplace_back(refined_cell);
}
return result;
}
template<class Real>
void CellWithValue<Real>::set_value_at(ValuePoint vp, Real new_value)
{
if (has_value_at(vp)) {
std::cerr << "CellWithValue<Real>: trying to re-assign value, vp = " << vp;
}
switch(vp) {
case ValuePoint::upper_left :
upper_left_value_ = new_value;
break;
case ValuePoint::upper_right :
upper_right_value_ = new_value;
break;
case ValuePoint::lower_left :
lower_left_value_ = new_value;
break;
case ValuePoint::lower_right :
lower_right_value_ = new_value;
break;
case ValuePoint::center:
central_value_ = new_value;
break;
}
}
template<class Real>
int CellWithValue<Real>::num_values() const
{
int result = 0;
for(ValuePoint vp : k_all_vps) {
result += has_value_at(vp);
}
return result;
}
template<class Real>
void CellWithValue<Real>::set_max_possible_value(Real new_upper_bound)
{
assert(new_upper_bound >= central_value_);
assert(new_upper_bound >= lower_left_value_);
assert(new_upper_bound >= lower_right_value_);
assert(new_upper_bound >= upper_left_value_);
assert(new_upper_bound >= upper_right_value_);
has_max_possible_value_ = true;
max_possible_value_ = new_upper_bound;
}
template<class Real>
std::ostream& operator<<(std::ostream& os, const CellWithValue<Real>& cell)
{
os << "CellWithValue(box = " << cell.dual_box() << ", ";
#ifdef MD_DEBUG
os << "id = " << cell.id;
if (not cell.parent_ids.empty())
os << ", parent_ids = " << container_to_string(cell.parent_ids) << ", ";
#endif
for(ValuePoint vp : k_all_vps) {
if (cell.has_value_at(vp)) {
os << "value = " << cell.value_at(vp);
os << ", at " << vp << " " << cell.value_point(vp);
}
}
os << ", max_corner_value = ";
if (cell.has_max_possible_value()) {
os << cell.stored_upper_bound();
} else {
os << "-";
}
os << ", level = " << cell.level() << ")";
return os;
}
} // namespace md
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