uint max_distance(TreeNode* root)
{
if (root == NULL) {
return 0;
}
static std::tr1::unordered_map<void*, uint> cache;
typeof(cache.begin()) it = cache.find(root);
if (it != cache.end()) {
return it->second;
}
uint leftCost = max_distance(root->left);
uint rightCost = max_distance(root->right);
uint leftHeight = height(root->left);
uint rightHeight = height(root->right);
uint childCost = leftCost > rightCost ? leftCost : rightCost;
uint throughRoot = leftHeight + rightHeight + root->cost;
uint ret = childCost > throughRoot ? childCost : throughRoot;
cache.insert(std::make_pair(root, ret));
return ret;
}
//Implementation of displayMulti()
void Engine::displayMulti(std::tr1::unordered_map<string, unsigned int> table) {
// If the map is empty there is nothing to be done.
if(table.empty()) {
cout << "No movies matched your search. Sorry" << endl << endl ;
return ;
}
std::tr1::unordered_map<string, unsigned int>::iterator it2 ;
string big ;
// Iterate three times to get the three movies with highest frequencies
for(int i = 0 ; i < 3 ; i++) {
// If the intersection is empty the job is done
if(table.size() == 0) {
cout << "No more movies." << endl << endl ;
return ;
}
// Assume the movie with highest frequency is the first one
big = table.begin()->first ;
// Iterate through the rest of the movies and if one with higher frequency
// is found swap it with big
for(it2 = table.begin() ; it2 != table.end() ; it2++)
if(table[big] < it2->second)
big = it2->first;
// Print the movie with highest frequency
cout << "Movie " << i+1 << ": " << big << endl ;
// Erase that movie from the map
table.erase(big) ;
}
cout << endl ;
}
void m_dccchat::dccListen(std::string id, Socket* listenSocket) {
std::tr1::unordered_map<std::string, std::vector<std::string> >::iterator ourReportingModules = reportingModules.find(id);
while (true) {
if (!listenSocket->isConnected())
break;
std::string receivedMsg = listenSocket->receive();
std::cout << "DCC " << id << ":" << receivedMsg << std::endl;
std::tr1::unordered_map<std::string, Module*> modules = getModules(); // get a new one each time in case it is updated
for (std::tr1::unordered_map<std::string, std::string>::iterator hookIter = moduleTriggers.begin(); hookIter != moduleTriggers.end(); ++hookIter) {
if (hookIter->first == receivedMsg.substr(0, receivedMsg.find_first_of(' '))) {
bool alreadyReporting = false;
for (unsigned int i = 0; i < ourReportingModules->second.size(); i++) {
if (ourReportingModules->second[i] == hookIter->second) {
alreadyReporting = true;
break;
}
}
if (!alreadyReporting)
ourReportingModules->second.push_back(hookIter->second);
}
}
for (unsigned int i = 0; i < ourReportingModules->second.size(); i++) {
std::tr1::unordered_map<std::string, Module*>::iterator modIter = modules.find(ourReportingModules->second[i]);
if (modIter == modules.end())
ourReportingModules->second.erase(ourReportingModules->second.begin()+i);
else {
std::vector<std::string> modSupports = modIter->second->supports();
for (unsigned int i = 0; i < modSupports.size(); i++) {
if (modSupports[i] == "DCC_CHAT") {
dccChat* dccMod = (dccChat*)modIter->second;
dccMod->onDCCReceive(id, receivedMsg);
break;
}
}
}
}
}
std::tr1::unordered_map<std::string, Module*> modules = getModules();
for (unsigned int i = 0; i < reportingModules.size(); i++) {
std::tr1::unordered_map<std::string, Module*>::iterator modIter = modules.find(ourReportingModules->second[i]);
dccChat* dccMod = (dccChat*) modIter->second;
dccMod->onDCCEnd(id); // call the DCC end hook for each watching module as the DCC session ends
}
delete listenSocket;
activeConnections.erase(id);
}
double Modularity::getQualityScore(const Graph * graph, std::tr1::unordered_map<uint32_t, Community*>& communities, double gamma)
{
// const uint32_t communityNum = communities.size();
double Q = 0.0;
uint32_t edge_num = graph->edge_num_;
std::tr1::unordered_map<uint32_t, Community*>::iterator itr;
for(itr=communities.begin(); itr!=communities.end(); itr++)
{
Community * community = itr->second;
uint32_t in_degree = community->in_degree_;
uint32_t total_degree = community->total_degree_;
Q += ((double)in_degree)/(2*(double)edge_num) - pow((double)total_degree/((double)(2*edge_num)), 2);
//printf("Q: %f, indegree: %u, total: %u, edgenum: %u\n",Q,in_degree, total_degree, edge_num);
}
std::cout << "Q: \t" << Q << "\n";
return Q;
}
inline void operator<< (object::with_zone& o, const std::tr1::unordered_map<K,V>& v)
{
o.type = type::MAP;
if(v.empty()) {
o.via.map.ptr = NULL;
o.via.map.size = 0;
} else {
object_kv* p = (object_kv*)o.zone->malloc(sizeof(object_kv)*v.size());
object_kv* const pend = p + v.size();
o.via.map.ptr = p;
o.via.map.size = v.size();
typename std::tr1::unordered_map<K,V>::const_iterator it(v.begin());
do {
p->key = object(it->first, o.zone);
p->val = object(it->second, o.zone);
++p;
++it;
} while(p < pend);
}
}
uint height(TreeNode* root)
{
if (root == NULL) {
return 0;
}
static std::tr1::unordered_map<void*, uint> cache;
typeof(cache.begin()) it = cache.find(root);
if (it != cache.end()) {
return it->second;
}
uint left = height(root->left);
uint right = height(root->right);
uint child = left > right ? left : right;
uint ret = root->cost + child;
cache.insert(std::make_pair(root, ret));
return ret;
}
std::vector<std::string> m_dccchat::getConnections() {
std::vector<std::string> connections;
for (std::tr1::unordered_map<std::string, Socket*>::iterator connIter = activeConnections.begin(); connIter != activeConnections.end(); ++connIter)
connections.push_back(connIter->first);
return connections;
}