Switched to not using std::optional for query_heap.hpp

This commit is contained in:
Mugr Rex 2023-04-15 01:31:56 +02:00
parent f98d73cc06
commit fb0400f4b1
7 changed files with 48 additions and 48 deletions

View File

@ -27,7 +27,7 @@ bool stallAtNode(const DataFacade<Algorithm> &facade,
const NodeID to = facade.GetTarget(edge);
const EdgeWeight edge_weight = data.weight;
BOOST_ASSERT_MSG(edge_weight > EdgeWeight{0}, "edge_weight invalid");
auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
if (toHeapNode)
{
if (toHeapNode->weight + edge_weight < heapNode.weight)
@ -56,7 +56,7 @@ void relaxOutgoingEdges(const DataFacade<Algorithm> &facade,
BOOST_ASSERT_MSG(edge_weight > EdgeWeight{0}, "edge_weight invalid");
const EdgeWeight to_weight = heapNode.weight + edge_weight;
auto toHeapNode = heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = heap.GetHeapNodeIfWasInserted(to);
// New Node discovered -> Add to Heap + Node Info Storage
if (!toHeapNode)
{
@ -67,7 +67,7 @@ void relaxOutgoingEdges(const DataFacade<Algorithm> &facade,
{
// new parent
toHeapNode->data.parent = heapNode.node;
toHeapNode.value().weight = to_weight;
toHeapNode->weight = to_weight;
heap.DecreaseKey(*toHeapNode);
}
}

View File

@ -291,7 +291,7 @@ void relaxOutgoingEdges(const DataFacade<Algorithm> &facade,
{
const EdgeWeight to_weight = heapNode.weight + shortcut_weight;
BOOST_ASSERT(to_weight >= heapNode.weight);
auto toHeapNode = forward_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = forward_heap.GetHeapNodeIfWasInserted(to);
if (!toHeapNode)
{
forward_heap.Insert(to, to_weight, {heapNode.node, true});
@ -300,7 +300,7 @@ void relaxOutgoingEdges(const DataFacade<Algorithm> &facade,
{
toHeapNode->data = {heapNode.node, true};
toHeapNode->weight = to_weight;
forward_heap.DecreaseKey(heapNode);
forward_heap.DecreaseKey(*toHeapNode);
}
}
++destination;
@ -321,7 +321,7 @@ void relaxOutgoingEdges(const DataFacade<Algorithm> &facade,
{
const EdgeWeight to_weight = heapNode.weight + shortcut_weight;
BOOST_ASSERT(to_weight >= heapNode.weight);
auto toHeapNode = forward_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = forward_heap.GetHeapNodeIfWasInserted(to);
if (!toHeapNode)
{
forward_heap.Insert(to, to_weight, {heapNode.node, true});
@ -360,16 +360,16 @@ void relaxOutgoingEdges(const DataFacade<Algorithm> &facade,
const EdgeWeight to_weight =
heapNode.weight + node_weight + alias_cast<EdgeWeight>(turn_penalty);
auto toHeapNode = forward_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = forward_heap.GetHeapNodeIfWasInserted(to);
if (!toHeapNode)
{
forward_heap.Insert(to, to_weight, {heapNode.node, false});
}
else if (to_weight < toHeapNode.value().weight)
else if (to_weight < toHeapNode->weight)
{
toHeapNode.value().data = {heapNode.node, false};
toHeapNode.value().weight = to_weight;
forward_heap.DecreaseKey(toHeapNode.value());
toHeapNode->data = {heapNode.node, false};
toHeapNode->weight = to_weight;
forward_heap.DecreaseKey(*toHeapNode);
}
}
}

View File

@ -289,26 +289,26 @@ class QueryHeap
return inserted_nodes[index].node == node;
}
std::optional<HeapNode> GetHeapNodeIfWasInserted(NodeID node)
HeapNode *GetHeapNodeIfWasInserted(const NodeID node)
{
const auto index = node_index.peek_index(node);
if (index >= static_cast<decltype(index)>(inserted_nodes.size()) ||
inserted_nodes[index].node != node)
{
return {};
return nullptr;
}
return inserted_nodes[index];
return &inserted_nodes[index];
}
std::optional<HeapNode> GetHeapNodeIfWasInserted(const NodeID node) const
const HeapNode *GetHeapNodeIfWasInserted(const NodeID node) const
{
const auto index = node_index.peek_index(node);
if (index >= static_cast<decltype(index)>(inserted_nodes.size()) ||
inserted_nodes[index].node != node)
{
return {};
return 0;
}
return inserted_nodes[index];
return &inserted_nodes[index];
}
NodeID Min() const

View File

@ -30,7 +30,7 @@ void relaxNode(ContractorHeap &heap,
}
const EdgeWeight to_weight = node_weight + data.weight;
auto toHeapNode = heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = heap.GetHeapNodeIfWasInserted(to);
// New Node discovered -> Add to Heap + Node Info Storage
if (!toHeapNode)
{

View File

@ -112,19 +112,19 @@ void alternativeRoutingStep(const DataFacade<Algorithm> &facade,
BOOST_ASSERT(edge_weight > EdgeWeight{0});
const EdgeWeight to_weight = heapNode.weight + edge_weight;
auto toHeapNode = forward_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = forward_heap.GetHeapNodeIfWasInserted(to);
// New Node discovered -> Add to Heap + Node Info Storage
if (!toHeapNode)
{
forward_heap.Insert(to, to_weight, heapNode.node);
}
// Found a shorter Path -> Update weight
else if (to_weight < toHeapNode.value().weight)
else if (to_weight < toHeapNode->weight)
{
// new parent
toHeapNode.value().data.parent = heapNode.node;
toHeapNode->data.parent = heapNode.node;
// decreased weight
toHeapNode.value().weight = to_weight;
toHeapNode->weight = to_weight;
forward_heap.DecreaseKey(*toHeapNode);
}
}

View File

@ -68,7 +68,7 @@ void relaxOutgoingEdges(
const auto to_duration = heapNode.data.duration + to_alias<EdgeDuration>(edge_duration);
const auto to_distance = heapNode.data.distance + edge_distance;
auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
// New Node discovered -> Add to Heap + Node Info Storage
if (!toHeapNode)
{
@ -76,10 +76,10 @@ void relaxOutgoingEdges(
}
// Found a shorter Path -> Update weight and set new parent
else if (std::tie(to_weight, to_duration) <
std::tie(toHeapNode.value().weight, toHeapNode.value().data.duration))
std::tie(toHeapNode->weight, toHeapNode->data.duration))
{
toHeapNode.value().data = {heapNode.node, to_duration, to_distance};
toHeapNode.value().weight = to_weight;
toHeapNode->data = {heapNode.node, to_duration, to_distance};
toHeapNode->weight = to_weight;
query_heap.DecreaseKey(*toHeapNode);
}
}
@ -158,7 +158,7 @@ void backwardRoutingStep(const DataFacade<Algorithm> &facade,
{
// Take a copy (no ref &) of the extracted node because otherwise could be modified later if
// toHeapNode is the same
auto heapNode = query_heap.DeleteMinGetHeapNode();
const auto heapNode = query_heap.DeleteMinGetHeapNode();
// Store settled nodes in search space bucket
search_space_with_buckets.emplace_back(heapNode.node,

View File

@ -70,20 +70,20 @@ void relaxBorderEdges(const DataFacade<mld::Algorithm> &facade,
const auto to_distance = distance + node_distance;
// New Node discovered -> Add to Heap + Node Info Storage
auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
if (!toHeapNode)
{
query_heap.Insert(to, to_weight, {node, false, to_duration, to_distance});
}
// Found a shorter Path -> Update weight and set new parent
else if (std::tie(to_weight, to_duration, to_distance, node) <
std::tie(toHeapNode.value().weight,
toHeapNode.value().data.duration,
toHeapNode.value().data.distance,
toHeapNode.value().data.parent))
std::tie(toHeapNode->weight,
toHeapNode->data.duration,
toHeapNode->data.distance,
toHeapNode->data.parent))
{
toHeapNode.value().data = {node, false, to_duration, to_distance};
toHeapNode.value().weight = to_weight;
toHeapNode->data = {node, false, to_duration, to_distance};
toHeapNode->weight = to_weight;
query_heap.DecreaseKey(*toHeapNode);
}
}
@ -130,20 +130,20 @@ void relaxOutgoingEdges(
const auto to_weight = heapNode.weight + shortcut_weight;
const auto to_duration = heapNode.data.duration + shortcut_durations.front();
const auto to_distance = heapNode.data.distance + shortcut_distances.front();
auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
if (!toHeapNode)
{
query_heap.Insert(
to, to_weight, {heapNode.node, true, to_duration, to_distance});
}
else if (std::tie(to_weight, to_duration, to_distance, heapNode.node) <
std::tie(toHeapNode.value().weight,
toHeapNode.value().data.duration,
toHeapNode.value().data.distance,
toHeapNode.value().data.parent))
std::tie(toHeapNode->weight,
toHeapNode->data.duration,
toHeapNode->data.distance,
toHeapNode->data.parent))
{
toHeapNode.value().data = {heapNode.node, true, to_duration, to_distance};
toHeapNode.value().weight = to_weight;
toHeapNode->data = {heapNode.node, true, to_duration, to_distance};
toHeapNode->weight = to_weight;
query_heap.DecreaseKey(*toHeapNode);
}
}
@ -171,20 +171,20 @@ void relaxOutgoingEdges(
const auto to_weight = heapNode.weight + shortcut_weight;
const auto to_duration = heapNode.data.duration + shortcut_durations.front();
const auto to_distance = heapNode.data.distance + shortcut_distances.front();
auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
const auto toHeapNode = query_heap.GetHeapNodeIfWasInserted(to);
if (!toHeapNode)
{
query_heap.Insert(
to, to_weight, {heapNode.node, true, to_duration, to_distance});
}
else if (std::tie(to_weight, to_duration, to_distance, heapNode.node) <
std::tie(toHeapNode.value().weight,
toHeapNode.value().data.duration,
toHeapNode.value().data.distance,
toHeapNode.value().data.parent))
std::tie(toHeapNode->weight,
toHeapNode->data.duration,
toHeapNode->data.distance,
toHeapNode->data.parent))
{
toHeapNode.value().data = {heapNode.node, true, to_duration, to_distance};
toHeapNode.value().weight = to_weight;
toHeapNode->data = {heapNode.node, true, to_duration, to_distance};
toHeapNode->weight = to_weight;
query_heap.DecreaseKey(*toHeapNode);
}
}