void Graph::read(const char * fn) {
std::ifstream inf (fn);
std::string line;
int n;
node_number = 0;
std::vector<int> tmp;
while (std::getline(inf, line)) {
read_line(line, &tmp);
if ( tmp.size() == 2 ) {
if( node_order.find(tmp.at(0)) == node_order.end() ) {
node_order[tmp.at(0)] = node_number;
node_number++;
};
if( node_order.find(tmp.at(1)) == node_order.end() ) {
node_order[tmp.at(1)] = node_number;
node_number++;
};
};
tmp.clear();
};
nodes.resize(node_number);
times.resize(node_number);
visited.insert(visited.begin(), node_number, false);
inf.clear();
inf.seekg(0);
while (std::getline(inf, line)) {
read_line(line, &tmp);
if ( tmp.size() == 2 ) {
nodes.at(node_order[tmp.at(1)]).add_reverse_edge(node_order[tmp.at(0)]);
nodes.at(node_order[tmp.at(0)]).add_edge(node_order[tmp.at(1)]);
};
tmp.clear();
};
node_order.clear();
};
void Streamer::processPickups(Player &player, const std::vector<SharedCell> &cells)
{
static boost::unordered_map<int, Item::SharedPickup> discoveredPickups;
for (std::vector<SharedCell>::const_iterator c = cells.begin(); c != cells.end(); ++c)
{
for (boost::unordered_map<int, Item::SharedPickup>::const_iterator p = (*c)->pickups.begin(); p != (*c)->pickups.end(); ++p)
{
boost::unordered_map<int, Item::SharedPickup>::iterator d = discoveredPickups.find(p->first);
if (d == discoveredPickups.end())
{
if (checkPlayer(p->second->players, player.playerID, p->second->interiors, player.interiorID, p->second->worlds, player.worldID))
{
if (boost::geometry::comparable_distance(player.position, p->second->position) <= p->second->streamDistance)
{
boost::unordered_map<int, int>::iterator i = internalPickups.find(p->first);
if (i == internalPickups.end())
{
p->second->worldID = !p->second->worlds.empty() ? player.worldID : -1;
}
discoveredPickups.insert(*p);
}
}
}
}
}
if (processingFinalPlayer)
{
boost::unordered_map<int, int>::iterator i = internalPickups.begin();
while (i != internalPickups.end())
{
boost::unordered_map<int, Item::SharedPickup>::iterator d = discoveredPickups.find(i->first);
if (d == discoveredPickups.end())
{
DestroyPickup(i->second);
i = internalPickups.erase(i);
}
else
{
discoveredPickups.erase(d);
++i;
}
}
for (boost::unordered_map<int, Item::SharedPickup>::iterator d = discoveredPickups.begin(); d != discoveredPickups.end(); ++d)
{
if (internalPickups.size() == visiblePickups)
{
break;
}
int internalID = CreatePickup(d->second->modelID, d->second->type, d->second->position[0], d->second->position[1], d->second->position[2], d->second->worldID);
if (internalID == INVALID_ALTERNATE_ID)
{
break;
}
internalPickups.insert(std::make_pair(d->second->pickupID, internalID));
}
discoveredPickups.clear();
}
}
static double
score2(const boost::unordered_map<int, double> &m0,
const boost::unordered_map<int, double> &m1)
{
int tmp = 0;
auto i0 = m0.begin();
auto i1 = m1.begin();
while (i0 != m0.end() && i1 != m1.end()) {
if (i0->first < i1->first) ++i0;
else if (i0->first > i1->first) ++i1;
else ++tmp, ++i0, ++i1;
}
return m0.size() + m1.size() - tmp;
}
size_t count(std::string const& x) const {
auto iter = counts.find(x);
if (iter != counts.end()) {
return iter->second;
}
return 0;
}
bool TwoSum::find_sum(long int target) {
long int bucket;
for( auto it = numbers_to_check.begin(); it != numbers_to_check.end(); it++ ) {
if( numbers.find((*it) - target) == numbers.end() ) { continue; };
bucket = numbers.bucket( (*it) - target );
for(auto it_local = numbers.begin(bucket); it_local != numbers.end(bucket); ++it_local) {
if ( ( it_local->first + target ) != (*it) ) { continue; };
if ( it_local->first != target || (it_local->first == target && multi_numbers.find(target) != multi_numbers.end()) ) {
std::cout << target << " + " << it_local->first << " = " << (*it) << " ( " << target + it_local->first << std::endl;
numbers_to_check.erase(it);
return true;
};
};
};
return false;
};
std::string RippleAddress::humanAccountID () const
{
switch (nVersion)
{
case VER_NONE:
throw std::runtime_error ("unset source - humanAccountID");
case VER_ACCOUNT_ID:
{
boost::mutex::scoped_lock sl (rncLock);
boost::unordered_map< Blob , std::string >::iterator it = rncMap.find (vchData);
if (it != rncMap.end ())
return it->second;
if (rncMap.size () > 10000)
rncMap.clear ();
return rncMap[vchData] = ToString ();
}
case VER_ACCOUNT_PUBLIC:
{
RippleAddress accountID;
(void) accountID.setAccountID (getAccountID ());
return accountID.ToString ();
}
default:
throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
}
}
void IndexingVariables::set(
boost::unordered_map<std::string, boost::shared_ptr<ArrayStorage> > as,
int offset) {
hm.clear();
hm.insert(as.begin(), as.end());
this->offset = offset;
}
wcs Symbol::name() const {
boost::unordered_map<sym, wcs>::const_iterator
iter = names.find(this);
if (iter != names.end())
return iter->second;
return 0;
}
DataProperty MessageConversions::dataPropertyFromMessage(const
semantic_map_msgs::DataProperty& message, boost::unordered_map<
std::string, Entity>& entities) const {
boost::unordered_map<std::string, Entity>::iterator it = entities.
find(message.subject);
if ((it == entities.end()) || !it->second.isValid())
throw ConversionFailed("Entity with identifier ["+
message.subject+"] is undefined.");
if (message.value_type == semantic_map_msgs::DataProperty::
VALUE_TYPE_STRING)
return it->second.addProperty(message.id, message.value);
else if (message.value_type == semantic_map_msgs::DataProperty::
VALUE_TYPE_BOOL)
return it->second.addProperty(message.id, boost::lexical_cast<bool>(
message.value));
else if (message.value_type == semantic_map_msgs::DataProperty::
VALUE_TYPE_FLOAT)
return it->second.addProperty(message.id, boost::lexical_cast<double>(
message.value));
else if (message.value_type == semantic_map_msgs::DataProperty::
VALUE_TYPE_INT)
return it->second.addProperty(message.id, boost::lexical_cast<int>(
message.value));
else
return DataProperty();
}
//! Dump Legendre polynomial cache data to stream (table and history).
void dumpLegendrePolynomialCacheData( std::ostream& outputStream,
boost::unordered_map< Point, double > cacheTable,
boost::circular_buffer< Point > cacheHistory )
{
outputStream << "Table:\n";
for ( boost::unordered_map< Point, double >::iterator iteratorCacheTable = cacheTable.begin( );
iteratorCacheTable != cacheTable.end( ); iteratorCacheTable++ )
{
outputStream << "\t" << writeLegendrePolynomialStructureToString(
iteratorCacheTable->first ).c_str( ) << " => "
<< iteratorCacheTable->second << std::endl;
}
outputStream << "History:\n";
for ( boost::circular_buffer< Point >::iterator iteratorCacheHistory = cacheHistory.begin( );
iteratorCacheHistory != cacheHistory.end( ); iteratorCacheHistory++ )
{
outputStream << "\t"
<< writeLegendrePolynomialStructureToString( *iteratorCacheHistory ).c_str( )
<< ", ";
}
outputStream << std::endl;
}
bool dbconn_pool::init_pool(boost::unordered_map<std::string, std::string>& cfg)
{
std::vector<std::string> keys;
{
keys.push_back("host");
keys.push_back("userid");
keys.push_back("passwd");
keys.push_back("database");
keys.push_back("port");
keys.push_back("charset");
keys.push_back("pool_size");
keys.push_back("wait_timeout_sec");
}
boost::unordered_map<std::string, std::string>::iterator found;
for (std::size_t i = 0; i < keys.size(); ++i)
{
found = cfg.find(keys[i]);
if (found == cfg.end())
{
return false;
}
if (keys[i] == "host")
{
host = found->second;
}
else if (keys[i] == "userid")
{
userid = found->second;
}
else if (keys[i] == "passwd")
{
passwd = found->second;
}
else if (keys[i] == "database")
{
database = found->second;
}
else if (keys[i] == "port")
{
port = boost::lexical_cast<unsigned int>(found->second);
}
else if (keys[i] == "charset")
{
charset = found->second;
}
else if (keys[i] == "pool_size")
{
pool_size = boost::lexical_cast<std::size_t>(found->second);
}
else if (keys[i] == "wait_timeout_sec")
{
wait_timeout_sec = boost::lexical_cast<double>(found->second);
}
}
return true;
}
bool operator()(boost::any & x) {
boost::unordered_map<boost::reference_wrapper<std::type_info const>, boost::function<void(boost::any&)>, type_info_hash, equal_ref>::iterator it = fs.find(boost::ref(x.type()));
if (it != fs.end()) {
it->second(x);
return true;
} else {
return false;
}
}
///Calculates the Gini impurity of a node. The impurity is defined as
///1-sum_j p(j|t)^2
///i.e the 1 minus the sum of the squared probability of observing class j in node t
double CARTTrainer::gini(boost::unordered_map<std::size_t, std::size_t>& countMatrix, std::size_t n){
double res = 0;
boost::unordered_map<std::size_t, std::size_t>::iterator it;
double denominator = n;
for ( it=countMatrix.begin() ; it != countMatrix.end(); it++ ){
res += sqr(it->second/denominator);
}
return 1-res;
}
bool buildNameLookupTable(Kompex::SQLiteStatement * stmt,
boost::unordered_map<std::string,int32_t> &table_names)
{
std::string stmt_insert = "INSERT INTO name_lookup";
stmt_insert += "(name_id,name_lookup) VALUES(@name_id,@name_lookup);";
try {
stmt->BeginTransaction();
stmt->Sql(stmt_insert);
}
catch(Kompex::SQLiteException &exception) {
qDebug() << "ERROR: SQLite exception with insert statement:"
<< QString::fromStdString(exception.GetString());
return false;
}
// keep track of the number of transactions and
// commit after a certain limit
size_t transaction_limit=5000;
size_t transaction_count=0;
// write name lookup info the database
boost::unordered_map<std::string,int32_t>::iterator it;
for(it = table_names.begin(); it != table_names.end(); ++it) {
// prepare sql
try {
//[name_id, name_lookup]
stmt->BindInt(1,it->second);
stmt->BindString(2,it->first);
stmt->Execute();
stmt->Reset();
if(transaction_count > transaction_limit) {
stmt->FreeQuery();
stmt->CommitTransaction();
stmt->BeginTransaction();
stmt->Sql(stmt_insert);
transaction_count=0;
}
transaction_count++;
}
catch(Kompex::SQLiteException &exception) {
qDebug() << "ERROR: SQLite exception writing tile data:"
<< QString::fromStdString(exception.GetString());
qDebug() << "ERROR: name_id:" << it->second;
qDebug() << "ERROR: name_lookup:" << QString::fromStdString(it->first);
return false;
}
}
stmt->FreeQuery();
stmt->CommitTransaction();
return true;
}
operators from_name( const std::string& name){
boost::unordered_map< std::string, operators >::const_iterator
find_result_it = name_to_enum.find(name);
if ( find_result_it != name_to_enum.end() ){
return find_result_it->second;
}
throw "unexcepted enumuration name!";
}
ObjectProperty MessageConversions::objectPropertyFromMessage(const
semantic_map_msgs::ObjectProperty& message, boost::unordered_map<
std::string, Entity>& entities) const {
boost::unordered_map<std::string, Entity>::iterator it = entities.
find(message.subject);
if ((it == entities.end()) || !it->second.isValid())
throw ConversionFailed("Entity with identifier ["+
message.subject+"] is undefined.");
boost::unordered_map<std::string, Entity>::iterator jt = entities.
find(message.object);
if ((jt == entities.end()) || !jt->second.isValid())
throw ConversionFailed("Entity with identifier ["+
message.object+"] is undefined.");
return it->second.addProperty(message.id, jt->second);
}
cairo_surface_t* getImage(string path)
{
auto it = images.find(path);
if (it != images.end())
return (*it).second;
cairo_surface_t* image = cairo_image_surface_create_from_png(path.c_str());
images.insert(std::make_pair(path, image));
return image;
}
Cairo::RefPtr<Cairo::ImageSurface> getIcon(string path)
{
auto it = stored.find(path);
if (it != stored.end())
return (*it).second;
Cairo::RefPtr<Cairo::ImageSurface> image = Cairo::ImageSurface::create_from_png(path);
stored[path] = image;
return image;
}
std::string to_name( operators const& val ){
boost::unordered_map< operators, std::string >::const_iterator
find_result_it = enum_to_name.find(val);
if ( find_result_it != enum_to_name.end() ){
return find_result_it->second;
}
return "__unknown_enum_val__";
}
void read_db_users()
{
m_read_db_users_time = srv_time();
if (!m_use_sql)
return;
try
{
Csql_query q(m_database, "select @uid");
if (m_read_users_can_leech)
q += ", can_leech";
if (m_read_users_peers_limit)
q += ", peers_limit";
if (m_read_users_torrent_pass)
q += ", torrent_pass";
q += ", torrent_pass_version";
if (m_read_users_wait_time)
q += ", wait_time";
q += " from @users";
Csql_result result = q.execute();
// m_users.reserve(result.size());
for (auto& i : m_users)
i.second.marked = true;
m_users_torrent_passes.clear();
while (Csql_row row = result.fetch_row())
{
t_user& user = m_users[row[0].i()];
user.marked = false;
int c = 0;
user.uid = row[c++].i();
if (m_read_users_can_leech)
user.can_leech = row[c++].i();
if (m_read_users_peers_limit)
user.peers_limit = row[c++].i();
if (m_read_users_torrent_pass)
{
if (row[c].size() == 32)
m_users_torrent_passes[to_array<char, 32>(row[c])] = &user;
c++;
}
user.torrent_pass_version = row[c++].i();
if (m_read_users_wait_time)
user.wait_time = row[c++].i();
}
for (auto i = m_users.begin(); i != m_users.end(); )
{
if (i->second.marked)
m_users.erase(i++);
else
i++;
}
}
catch (bad_query&)
{
}
}
// finds a promise by ID, returns and unregisters the promise
inline boost::promise<message_reply*>* get_promise(uint64_t promise_id) {
boost::unordered_map<uint64_t, boost::promise<message_reply*>* >
::iterator iter = promises.find(promise_id);
if (iter == promises.end()) return NULL;
else {
boost::promise<message_reply*>* ret = iter->second;
promises.erase(iter);
return ret;
}
}
var Symbol::get(wcs x) const {
boost::unordered_map<sym, Context>::const_iterator
iter = contexts.find(this);
if (iter != contexts.end()) {
Context::const_iterator
iter2 = iter->second.find(reinterpret_cast<uint>(x));
if (iter2 != iter->second.end())
return iter2->second;
}
return null;
}
///Calculates the Gini impurity of a node. The impurity is defined as
///1-sum_j p(j|t)^2
///i.e the 1 minus the sum of the squared probability of observing class j in node t
double RFTrainer::gini(boost::unordered_map<std::size_t, std::size_t> & countMatrix, std::size_t n){
double res = 0;
boost::unordered_map<std::size_t, std::size_t>::iterator it;
if(n){
n = n*n;
for ( it=countMatrix.begin() ; it != countMatrix.end(); it++ ){
res += sqr(it->second)/(double)n;
}
}
return 1-res;
}
// Makes sure that no three points all on an original tile edge
// are triangulated.
bool is_legal(const Point_3& a, const Point_3& b, const Point_3& c,
const boost::unordered_map<Point_3, boost::unordered_set<Segment_3_undirected> >& point2edges)
{
static log4cplus::Logger logger = log4cplus::Logger::getInstance("polygon_utils.is_legal");
LOG4CPLUS_TRACE(logger, "is_legal: " << pp(a) << " " << pp(b) << " " << pp(c));
if (point2edges.find(a) == point2edges.end())
return true;
if (point2edges.find(b) == point2edges.end())
return true;
if (point2edges.find(c) == point2edges.end())
return true;
const boost::unordered_set<Segment_3_undirected>& edgesa = point2edges.find(a)->second;
const boost::unordered_set<Segment_3_undirected>& edgesb = point2edges.find(b)->second;
const boost::unordered_set<Segment_3_undirected>& edgesc = point2edges.find(c)->second;
boost::unordered_set<Segment_3_undirected> edges(set_intersection(edgesa, set_intersection(edgesb, edgesc)));
return edges.empty();
}
void PropertyExpressionEngine::buildGraphStructures(const ObjectIdentifier & path,
const boost::shared_ptr<Expression> expression,
boost::unordered_map<ObjectIdentifier, int> & nodes,
boost::unordered_map<int, ObjectIdentifier> & revNodes,
std::vector<Edge> & edges) const
{
std::set<ObjectIdentifier> deps;
/* Insert target property into nodes structure */
if (nodes.find(path) == nodes.end()) {
int s = nodes.size();
revNodes[s] = path;
nodes[path] = s;
}
else
revNodes[nodes[path]] = path;
/* Get the dependencies for this expression */
expression->getDeps(deps);
/* Insert dependencies into nodes structure */
std::set<ObjectIdentifier>::const_iterator di = deps.begin();
while (di != deps.end()) {
Property * prop = di->getProperty();
if (prop) {
ObjectIdentifier cPath(di->canonicalPath());
if (nodes.find(cPath) == nodes.end()) {
int s = nodes.size();
nodes[cPath] = s;
}
edges.push_back(std::make_pair(nodes[path], nodes[cPath]));
}
++di;
}
}
int TwoSum::find_range(int lower, int upper) {
int count = 0;
numbers_to_check.resize(upper-lower);
for (int i=lower; i<= upper; i++ ) {
numbers_to_check.push_back(i);
};
for( auto it = numbers.begin(); it != numbers.end(); ++it ) {
if( find_sum(it->first) ) {
++count;
};
};
return count;
};
void Task::drawKeypoints(const base::samples::frame::Frame &frame2,
const std::vector<cv::KeyPoint> &keypoints1,
const std::vector<cv::KeyPoint> &keypoints2,
const std::vector<cv::DMatch> &matches,
const boost::unordered_map<boost::uuids::uuid, StereoFeature> &hash)
{
/** Convert Images to opencv **/
cv::Mat img2 = frameHelperLeft.convertToCvMat(frame2);
::cv::Mat img_out(img2);
cv::drawKeypoints (img2, keypoints1, img_out, cv::Scalar(0, 255, 0));//green previous
for (std::vector<cv::DMatch>::const_iterator it= matches.begin(); it!= matches.end(); ++it)
{
cv::Point point1 = keypoints1[it->queryIdx].pt;
cv::Point point2 = keypoints2[it->trainIdx].pt;
//cv::circle(img_out, point1, 3, cv::Scalar(0, 255, 0), 1);// green previous
cv::circle(img_out, point2, 3, cv::Scalar(255, 0, 0), 1);// blue current
cv::line (img_out, point1, point2, cv::Scalar(0, 0, 255)); // red line
}
if (_draw_hash_uuid_features.value())
{
/** Draw hash features **/
for (boost::unordered_map<boost::uuids::uuid, StereoFeature>::const_iterator
it = hash.begin(); it != hash.end(); ++it)
{
/** Only current features but with the hash id and the image frame index in the label **/
if (it->second.img_idx == this->fcurrent_left.img_idx)
{
float red = 255.0 - (255.0/(this->frame_window_hash_size)*(this->ffinal_left.img_idx-it->second.img_idx));
cv::circle(img_out, it->second.keypoint_left.pt, 5, cv::Scalar(0, 0, red), 2);
std::vector<std::string> uuid_tokens = this->split(boost::lexical_cast<std::string>(it->first), '-');
cv::putText(img_out, uuid_tokens[uuid_tokens.size()-1]+"["+boost::lexical_cast<std::string>(it->second.img_idx)+"]",
it->second.keypoint_left.pt, cv::FONT_HERSHEY_COMPLEX_SMALL, 1.0, cv::Scalar(0,0,0), 2.5);
}
}
}
::base::samples::frame::Frame *frame_ptr = this->inter_frame_out.write_access();
frameHelperLeft.copyMatToFrame(img_out, *frame_ptr);
frame_ptr->time = this->frame_pair.time;
this->inter_frame_out.reset(frame_ptr);
_inter_frame_samples_out.write(this->inter_frame_out);
return;
}
void save(Archive & ar, const boost::unordered_map<T,U> & t, unsigned int version)
{
// write the size
// TODO: should we handle bucket size as well?
typedef typename boost::unordered_map<T, U>::size_type size_type;
typedef typename boost::unordered_map<T,U>::const_iterator const_iterator;
size_type size = t.size();
ar & BOOST_SERIALIZATION_NVP(size);
unsigned int count = 0;
for (const_iterator it = t.begin(); it != t.end(); it++) {
ar & boost::serialization::make_nvp("pair" + count, *it);
count++;
}
}
RealVector CARTTrainer::hist(boost::unordered_map<std::size_t, std::size_t> countMatrix){
//create a normed histogram
std::size_t totalElements = 0;
RealVector normedHistogram(m_maxLabel+1);
normedHistogram.clear();
boost::unordered_map<std::size_t, std::size_t>::iterator it;
for ( it=countMatrix.begin() ; it != countMatrix.end(); it++ ){
normedHistogram(it->first) = it->second;
totalElements += it->second;
}
normedHistogram /= totalElements;
return normedHistogram;
}
static std::pair<double, double>
score(const boost::unordered_map<int, double> &real,
const boost::unordered_map<int, double> &fake,
double threshold = 0.0)
{
double res = 0.0;
int cnt = 0;
double e = std::numeric_limits<double>::epsilon();
for (auto i = fake.begin(); i != fake.end(); ++i)
if (i->second >= threshold &&
real.find(i->first) != real.end()) {
++cnt;
double p = real.at(i->first);
double q = fake.at(i->first);
if (p <= e)
res += (1-p) * log((1-p)/(1-q));
else if (1-p <= e || 1-q <= e)
res += p * log(p/q);
else res += p * log(p/q) + (1-p) * log((1-p)/(1-q));
}
return {res, cnt ? res / cnt : 0.0};
}
