double difb2(double x, double h)
{
double f1, f2;
f1 = _f(x - h) - _f(x);
f2 = _f(x - 2. * h) - _f(x);
return - (2. * f1 - 0.5 * f2) / h;
}
double diff2(double x, double h)
{
double f1, f2;
f1 = _f(x + h) - _f(x);
f2 = _f(x + 2. * h) - _f(x);
return (2. * f1 - 0.5 * f2) / h;
}
double diff5(double x, double h)
{
double f1, f2, f3, f4, f5;
f1 = _f(x + h) - _f(x);
f2 = _f(x + 2. * h) - _f(x);
f3 = _f(x + 3. * h) - _f(x);
f4 = _f(x + 4. * h) - _f(x);
f5 = _f(x + 5. * h) - _f(x);
return (5. * (f1 - f2) + 10. * f3 / 3. - 1.25 * f4 + 0.2 * f5) / h;
}
double difb5(double x, double h)
{
double f1, f2, f3, f4, f5;
f1 = _f(x - h) - _f(x);
f2 = _f(x - 2. * h) - _f(x);
f3 = _f(x - 3. * h) - _f(x);
f4 = _f(x - 4. * h) - _f(x);
f5 = _f(x - 5. * h) - _f(x);
return - (5. * (f1 - f2) + 10. * f3 / 3. - 1.25 * f4 + 0.2 * f5) / h;
}
TreeNode *_f(TreeNode *root) {
if (root->left == NULL && root->right == NULL) {
return root;
}
TreeNode *L = NULL, *R = NULL;
if (root->left != NULL) L = _f(root->left);
if (root->right != NULL) R = _f(root->right);
if (L == NULL) return R;
L->right = root->right;
root->right = root->left;
root->left = NULL;
return R == NULL ? L : R;
}
inttype go(inttype n)
{
inttype x,y,d=1;
x=y=Rand()%n;
while(d==1)
{
x=_f(x,n);
y=_f(_f(y,n),n);
d=gcd(g::abs(y-x),n);
}
if(d!=n)return d;
return d;
}
VariableHolder::Callable const& VariableHolder::for_each_argument(Callable const& _f) const {
args_ordered_t::const_iterator end = DATA->args_ordered.end();
bool more = true;
for (args_ordered_t::const_iterator ite = DATA->args_ordered.begin(); more && ite != end; ++ite)
more = _f(*ite);
return _f;
}
void TaskThreadPool::init( unsigned int max_count, const std::string& name )
{
for ( unsigned int i = 0; i < max_count; ++i )
{
_threads.emplace_back( [=]() {
ThreadRegister register_thread( "TaskPool " + name );
auto f = msg();
try
{
while ( !_done )
{
_msg_queue.pop_wait( &f );
f();
}
}
catch ( msg_queue::Canceled& )
{
}
catch ( std::exception& ex )
{
ERROR_PRINT << "Thread exception: " << ex.what() << "\n";
Clib::force_backtrace( true );
return;
}
// purge the queue empty
std::list<msg> remaining;
_msg_queue.pop_remaining( &remaining );
for ( auto& _f : remaining )
_f();
} );
}
}
QString ShaderCompiler::compileRecursive(QString const& _sourceFile, std::set<QString>& _includedFiles) {
if (_includedFiles.count(_sourceFile) > 0) return QString();
QFile _f(_sourceFile);
_includedFiles.insert(_sourceFile);
QString _outputFile;
if (_f.open(QIODevice::ReadOnly))
{
QTextStream in(&_f);
while (!in.atEnd())
{
QString _line = in.readLine().trimmed();
if (_line.startsWith("#include")) {
// Handle include
auto _includedFilename = parseIncludeLine("",_line);
_outputFile += compileRecursive(_includedFilename,_includedFiles);
} else {
_outputFile += _line + '\n';
}
}
_f.close();
}
return _outputFile;
}
bool PickHandler::handle(const osgGA::GUIEventAdapter & ea,
osgGA::GUIActionAdapter & aa) {
if (!_f)
return false;
if (ea.getEventType() != osgGA::GUIEventAdapter::RELEASE
|| ea.getButton() != osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON)
return false;
osgViewer::Viewer * viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
if (viewer) {
osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector =
new osgUtil::LineSegmentIntersector(
osgUtil::Intersector::WINDOW, ea.getX(), ea.getY());
osgUtil::IntersectionVisitor iv(intersector.get());
iv.setTraversalMask(~0x1);
viewer->getCamera()->accept(iv);
if (intersector->containsIntersections()) {
const osgUtil::LineSegmentIntersector::Intersection &result =
*(intersector->getIntersections().begin());
_f(result);
}
}
return false;
}
bool EpisodeState::load()
{
QString file= _episodePath+saveFileName;
QFile _f(file);
if(!_f.exists(file)) return false;
if (_f.open(QIODevice::ReadOnly))
{
QString fileRaw;
QTextStream inStr(&_f);
GamesaveData FileData;
inStr.setCodec("UTF-8");
fileRaw = inStr.readAll();
FileData = FileFormats::ReadExtendedSaveFile(fileRaw, file);
if(FileData.ReadFileValid)
{
game_state = FileData;
episodeIsStarted=true;
return true;
}
else
{
PGE_MsgBox::error(file+"\n"+FileFormats::errorString);
}
}
return false;
}
/// Return content of file from a file name
QString fileToStr(const QString& _filename)
{
QFile _f(_filename);
_f.open(QIODevice::ReadOnly | QIODevice::Text);
return _f.readAll();
}
void sipg_sem_1d<FLOAT_TYPE>::compute_rhs_vector()
{
compute_nodes_and_weights();
const int nop = sem_function<FLOAT_TYPE>::_qt.nop();
const int M = nop-1; //< index of the right node
//< 0 is the index of the left node
_rhs.resize(_vec_size);
for (int i = 0; i < _vec_size; ++i)
_rhs[i] = _w[i] * _f(_x[i]);
// this loop add the nitsche border integral term to the first
// and the last elements
// -1 +-----+- ... -+-----+ +1
for (int i=0; i < nop; ++i)
{
_rhs[i] += _noe*SEM_FUNC::d_phi(i,0)*_u_ex(-1.);
_rhs[_vec_size - nop + i] += -1*_noe*SEM_FUNC::d_phi(i,M)*_u_ex( 1.);
}
_rhs[0] += _pen*_u_ex(-1.);
_rhs[_vec_size-1] += _pen*_u_ex( 1.);
}
/*!
* calculates the value of the function at the specified point,
* \p p, and time, \p t, and returns it in \p v.
*/
virtual void derivative (const MAST::FunctionBase& f,
const libMesh::Point& p,
const Real t,
Real& v) const {
Real
dp = 0.,
df = 0.;
// if the sensitivity parameter is the load parameter itself,
// then the sensitivity parameter will be nonzero.
if (_p.depends_on(f)) dp = 1.;
if (_f.depends_on(f)) df = 1.;
v = dp * sin(_f()*t) + _p() * _f() * df * cos(_f() * t);
}
double difb4(double x, double h)
{
double f1, f2, f3, f4;
f1 = _f(x - h) - _f(x);
f2 = _f(x - 2. * h) - _f(x);
f3 = _f(x - 3. * h) - _f(x);
f4 = _f(x - 4. * h) - _f(x);
return - (4. * f1 - 3. * f2 + 4. * f3 / 3. - 0.25 * f4) / h;
}
double diff4(double x, double h)
{
double f1, f2, f3, f4;
f1 = _f(x + h) - _f(x);
f2 = _f(x + 2. * h) - _f(x);
f3 = _f(x + 3. * h) - _f(x);
f4 = _f(x + 4. * h) - _f(x);
return (4. * f1 - 3. * f2 + 4. * f3 / 3. - 0.25 * f4) / h;
}
void PcapReader::
handlePacket(char* buff_, uint64_t blen_)
{
struct ether_header* ethHdr;
struct ip* ipHdr;
struct udphdr* udpHdr;
uint64_t slen;
// Read ether_header
slen = sizeof(struct ether_header);
if (blen_<slen) {
std::cout << "PcapReader::handlePacket. PacketLen less than ether_header" << std::endl;
return;
}
ethHdr = reinterpret_cast<struct ether_header*>(buff_);
if (ethHdr->ether_type != 0x08) {
// std::cout << "handlePacket. ether_type: " << ethHdr->ether_type << ", " << (uint16_t)ETHERTYPE_IP << std::endl;
return;
}
blen_ -= slen;
buff_ = (char*)(buff_+slen);
// Read ip header
// We handle only UDP packets
if (blen_<sizeof(struct ip)) {
std::cout << "PcapReader::handlePacket. PacketLen less than struct ip" << std::endl;
return;
}
ipHdr = reinterpret_cast<struct ip*>(buff_);
slen = ipHdr->ip_hl*4; // header length in 4 bytes words
if (blen_<slen) {
std::cout << "PcapReader::handlePacket. PacketLen less than struct ip.hl: " << slen << std::endl;
return;
}
if (ipHdr->ip_p != IPPROTO_UDP) {
std::cout << "PcapReader::handlePacket. Not UDP protocol. proto: " << (int)ipHdr->ip_p << std::endl;
return;
}
blen_ -= slen;
buff_ = (char*)(buff_+slen);
// Read UDP header
slen = sizeof(struct udphdr);
udpHdr = reinterpret_cast<struct udphdr*>(buff_);
blen_ -= slen;
buff_ = (char*)(buff_+slen);
// firing cb
if (_f != nullptr) {
_f(buff_, blen_);
}
}
const ValueType& operator*() const
{
if (!_value_valid)
{
_value = _f(_n);
_value_valid = true;
}
return _value;
}
void do_call(std::vector<boost::any> const& v, std::integer_sequence<int, Is...>)
{
try
{
return _f((get_ith<Args>(v, Is))...);
}
catch (boost::bad_any_cast const&)
{
std::cout << "Bad argument!" << std::endl; // Throw if you prefer
}
}
// implementation: function value & gradient
tscalar _f(const tvector& x, tvector& g) const
{
if (m_op_grad)
{
m_n_fvals ++;
m_n_grads ++;
return m_op_grad(x, g);
}
else
{
eval_grad(x, g);
return _f(x);
}
}
double diff3(double x, double h)
{
double f1, f2, f3;
f1 = _f(x + h) - _f(x);
f2 = _f(x + 2. * h) - _f(x);
f3 = _f(x + 3. * h) - _f(x);
return (3. * f1 - 1.5 * f2 + f3 / 3.) / h;
}
double difb3(double x, double h)
{
double f1, f2, f3;
f1 = _f(x - h) - _f(x);
f2 = _f(x - 2. * h) - _f(x);
f3 = _f(x - 3. * h) - _f(x);
return - (3. * f1 - 1.5 * f2 + f3 / 3.) / h;
}
menuItem* enterShutterSpeed::do_action() {
display *lcd;
int8_t speed_index;
uint16_t speed;
uint8_t button;
lcd = get_display();
get_question(buffer);
speed_index = *_speed_index;
do {
lcd->clear();
lcd->print(buffer);
lcd->setCursor(0, 2);
if(speed_index < 0) {
lcd->print("1/");
}
speed = _shutter_speeds[abs(speed_index)];
lcd->print(speed/10);
if(speed%10) {
lcd->print(".");
lcd->print(speed%10);
}
// wait for some useful key
do{
button = buttons_reader.read();
} while(button == IDLE);
if(button == UP && speed_index < _shutter_speeds_count - 1) {
speed_index++;
} else if(button == DOWN && speed_index > 1 - _shutter_speeds_count) {
speed_index--;
}
if(_f) {
_f(speed_index);
}
} while(button == UP || button == DOWN);
// if not "cancel", save value
if(button != LEFT) {
*_speed_index = speed_index;
}
return 0;
}
void addAtlas(const char *file){
tinyxml2::XMLDocument doc;
doc.LoadFile(_f(file));
const tinyxml2::XMLElement *pElem = doc.RootElement();
pElem = pElem->FirstChildElement("image");
while ( pElem ){
const char *name = pElem->Attribute("name");
AtlasInfo atlas;
atlas.file = pElem->Attribute("file");
pElem->QueryIntAttribute("x", &atlas.u);
pElem->QueryIntAttribute("y", &atlas.v);
pElem->QueryIntAttribute("w", &atlas.w);
pElem->QueryIntAttribute("h", &atlas.h);
_atlasMap[name] = atlas;
pElem = pElem->NextSiblingElement();
}
}
menuItem* enterNumberItem::do_action() {
display *lcd;
int value;
uint8_t button;
lcd = get_display();
get_question(buffer);
value = *_variable;
do {
lcd->clear();
lcd->print(buffer);
lcd->setCursor(0, 2);
lcd->print(value);
// wait for some useful key
do{
button = buttons_reader.read();
} while(button == IDLE);
if(button == UP) {
value += _step;
} else if(button == DOWN) {
value -= _step;
if(value < 0) {
value = 0;
}
}
if(_f) {
_f(value);
}
} while(button == UP || button == DOWN);
// if not "cancel", save value
if(button != LEFT) {
*_variable = value;
}
return 0;
}
TextureRes::TextureRes(const char* fileName, bool reserveData, bool revertY) : _glId(-1), _pImgData(NULL){
lwassert(fileName);
_fileName = fileName;
size_t len = strlen(fileName);
if ( len < 4 ){
lwerror("texture file name too short: filepath = " << _f(fileName));
_glId = -1;
return;
}
_f fpath(fileName);
if ( fileName[len-4] == '.' && fileName[len-3] == 'p'
&& fileName[len-2] == 'n' && fileName[len-1] == 'g'){
if ( fpath.isValid() ){
loadPNG(fpath, reserveData);
}else{
lwerror("texture is not exist: " << fileName);
return;
}
}else{
lwerror("only support PNG file: " << fileName);
return;
}
}
virtual void do_oop(oop* o) { _f(o); }
void call_func(Tuple t, std::index_sequence<Indices...> s)
{
_f(boost::any_cast<typename std::tuple_element<Indices, Params>::type>(std::get<Indices>(t))...);
}
void Utils::ThreadUnix::ThreadBasicLauncher::operator()(void *arg)
{
_f(arg);
}
/*
* \param t The value of type T
*
* Functor \a f will be applied to \a t and the resulting value used
* for comparison.
*/
virtual bool operator()(T& t) const
{
return (find(_list.begin(), _list.end(), _f(t)) != _list.end());
}