std::size_t readFromCsvReader(std::size_t nrows, std::size_t ncols)
{
BenchmarkInputBuffer buffer(nrows,ncols);
{
std::istream ist(&buffer);
csv::Reader reader(ist,
csv::Specification()
.withSeparator(' ')
.withSeparator(' ')
.withoutHeader());
int a;
int hash = 0;
std::size_t counter = 0;
std::size_t row_counter = 0;
for(auto row : reader)
{
for(auto cell : row)
{
a = cell.as<int>();
hash+= a;
counter++;
}
row_counter++;
}
return counter;
}
}
RC AlgorithmDataFile::ParseLine(const wstring &line)
{
RC rc;
wistringstream ist(line);
UINT32 algorithmId;
wstring name, dllFileName, funcName, iconFileName;
ist >> algorithmId >> name >> dllFileName >> funcName >> iconFileName;
ParamNameList paramNameList;
while (!ist.eof())
{
wstring paramName;
ist >> paramName;
if (!paramName.empty())
{
paramNameList.push_back(paramName);
}
}
m_InternalAlgorithmMap[algorithmId] = InternalAlgorithm(algorithmId, name, dllFileName, funcName);
return rc;
}
void InputFileText::readData(std::vector<T> &buff, int ncol, long frow, long lrow)
{
if(!isOpened())
throw IOException("Error in InputFileText::readData() ", 0);
int buff_sz = lrow - frow + 1;
int buff_off = 0;
fileStream.clear();
fileStream.seekg(0, std::ios::beg);
buff.resize(buff_sz);
for(int i = frow; i < lrow+1; i++) {
std::string line;
if(getline(fileStream, line)) {
int first = 0;
int last = 0;
int colCounter = 0;
while(colCounter <= ncol && colCounter <= ncols)
{
findField(line,first,last,last);
colCounter++;
}
if(colCounter == ncol+1)
{
std::istringstream ist(std::string(line,first,last-first));
ist >> buff[buff_off++];
}
}
else
throw IOException("InputFileText::readData()", 0);
int main(int argc, const char ** argv)
{
std::stringstream ist(planets_csv);
csv::Reader reader(ist,
csv::Specification().withHeader());
auto planets = readPlanetList(reader);
Planet avg = Planet
{
index : 0,
name : "avg",
diameter : 0,
mass : 0,
orbital_period : 0,
rotation_period : 0
};
for(auto planet : planets)
{
avg.diameter+= planet.diameter / planets.size();
avg.mass+= planet.mass / planets.size();
avg.orbital_period+= fabs(planet.orbital_period) / planets.size();
avg.rotation_period+= fabs(planet.rotation_period) / planets.size();
}
std::cout << "avg diameter " << avg.diameter << std::endl;
std::cout << "avg mass " << avg.mass << std::endl;
std::cout << "avg orbital_period " << avg.orbital_period << std::endl;
std::cout << "avg rotation_period " << avg.rotation_period << std::endl;
return 0;
}
void read_data(std::istream& in_stream, std::vector<T>& vec,
string delim="\t", // delimiter of data
string comment_sep="#", // Seperator between data and comments
string eof="END") // End-of-file signal
{
string nextline="";
while( in_stream || nextline.length() > 0 )
{
string line;
if( nextline.length() > 0 ) {
line = nextline; // we read ahead; use it now
nextline = "";
} else {
std::getline(in_stream, line);
}
// ignore comments
line = line.substr( 0, line.find(comment_sep) );
// check for end-of-file signal
if( eof != "" && line.find(eof != string::npos ) return;
trim(line);
if( line == "" ) return;
typedef std::istream_iterator<T> is_iter;
std::istringstream ist(line);
std::copy( is_iter(ist), is_iter(),
std::back_inserter(vec) );
std::getline(in_stream, nextline);
}
}
void iter2_ist(void* _conf,
const struct operator_s* normaleq_op,
unsigned int D,
const struct operator_p_s** prox_ops,
const struct linop_s** ops,
const struct operator_p_s* xupdate_op,
long size, float* image, const float* image_adj,
const float* image_truth,
void* obj_eval_data,
float (*obj_eval)(const void*, const float*))
{
assert(D == 1);
#if 0
assert(NULL == ops);
#else
UNUSED(ops);
#endif
UNUSED(xupdate_op);
struct iter_ist_conf* conf = _conf;
float eps = md_norm(1, MD_DIMS(size), image_adj);
if (checkeps(eps))
goto cleanup;
assert((conf->continuation >= 0.) && (conf->continuation <= 1.));
ist(conf->maxiter, eps * conf->tol, conf->step, conf->continuation, conf->hogwild, size, (void*)normaleq_op, select_vecops(image_adj), operator_iter, operator_p_iter, (void*)prox_ops[0], image, image_adj, image_truth, obj_eval_data, obj_eval);
cleanup:
;
}
void iter2_ist(iter_conf* _conf,
const struct operator_s* normaleq_op,
unsigned int D,
const struct operator_p_s* prox_ops[D],
const struct linop_s* ops[D],
const float* biases[D],
const struct operator_p_s* xupdate_op,
long size, float* image, const float* image_adj,
struct iter_monitor_s* monitor)
{
assert(D == 1);
assert(NULL != prox_ops[0]);
assert(NULL == biases);
#if 0
assert(NULL == ops);
#else
UNUSED(ops);
#endif
UNUSED(xupdate_op);
auto conf = CAST_DOWN(iter_ist_conf, _conf);
float eps = md_norm(1, MD_DIMS(size), image_adj);
if (checkeps(eps))
goto cleanup;
assert((conf->continuation >= 0.) && (conf->continuation <= 1.));
ist(conf->maxiter, eps * conf->tol, conf->step, conf->continuation, conf->hogwild, size, select_vecops(image_adj),
OPERATOR2ITOP(normaleq_op), OPERATOR_P2ITOP(prox_ops[0]), image, image_adj, monitor);
cleanup:
;
}
int main(int argc,char *argv[])
{
try {
URI uri("http://schlumpf/dope/test.php3");
HTTPStreamBuf layer0(uri);
URLEncodeStream<HTTPStreamBuf> out(layer0);
#ifndef WIN32
signal(SIGPIPE,sigPipeHandler);
#endif
form f;
f.foo="hey this is foo";
f.bar="hey this is bar";
f.i=40700;
out.simple(f,NULL);
layer0.sync();
char c;
std::istream ist(&layer0);
while (ist.get(c))
std::cout.put(c);
std::cout << std::endl;
return 0;
}catch (const std::exception &error){
std::cerr << "Uncaught std::exception: "<<error.what()<< std::endl;
}catch (const char *error){
std::cerr << error << std::endl;
}catch(...){
std::cerr << "Uncaught unknown exception\n";
}
return 1;
}
yfs_client::inum
yfs_client::n2i(std::string n) {
std::istringstream ist(n);
unsigned long long finum;
ist >> finum;
return finum;
}
/* .pheno files
* space separated:
* FID, IID, phenotype (1 control, 2 case)
*/
void readPheno(const std::string& filename, std::vector<Sample>& samples, std::unordered_map<std::string,int>& sample_map)
{
std::ifstream ist(filename.c_str());
if (!ist)
{
throw std::runtime_error("Could not open pheno file " + filename + "\n");
}
// Read in
Sample s;
while (ist >> s)
{
samples.push_back(s);
}
// Always keep samples sorted, for consistency between programs
std::sort(samples.begin(), samples.end(), Sample::compareSamples);
// Map of sample names to index in vector
for (unsigned int sample_index = 0; sample_index < samples.size(); ++sample_index)
{
sample_map[samples[sample_index].iid()] = sample_index;
}
}
void update(void* instance)
{
InstancePtr inst = (InstancePtr) instance;
MyInstancePtr my = inst->my;
const char delimiter =',';
std::string input = inst->in_string->text;
size_t nr = trim_int(inst->in_entry->number,1,1000) - 1;
std::istringstream ist(input);
std::vector<std::string> tokens;
std::string w;
while (std::getline(ist, w, delimiter))
tokens.push_back(w);
inst->out_len->number = tokens.size();
if (tokens.empty())
{
string_charAssign(inst->out_token, "");
}
else
{
nr %= tokens.size();
assert(0 <= nr && nr < tokens.size());
string_charAssign(inst->out_token, tokens[nr].c_str());
}
}
size_t HTTPFetchHeadParser::readStatusCode(size_t pos) {
size_t nextPos = headerString.find(' ', pos);
if(nextPos == std::string::npos)
throw HTTPFetchHeadParserException();
std::istringstream ist(headerString.substr(pos, nextPos-pos));
ist >> header.statusCode;
return ++nextPos;
}
void _IOWrapper::FromStringImpl(_IOWrapper::BaseRead& b,
const std::string& s, std::streamsize precision)
{
std::istringstream ist(s);
ist.precision(precision);
b.read(ist);
}
void fill_from_file(vector<int>& points,const string& name)
{
fstream ist( name );
if (!ist) error("can't open input file ", name);
int p;
while (ist >> p)
points.push_back(p);
}
void LoadFromFile(MyTree<T>* &root, string filename) {
// пример входной строки - "C:\\input.txt"
ifstream ist(filename); // поток для чтения из файла
T val;
while (ist >> val) {
Add(root, val);
}
}
void CoreData::updateReport()
{
QMapIterator<QString, SignStats*> ist(statsReports);
while (ist.hasNext()) {
ist.next();
SignStats * stats = ist.value();
updateStats(stats);
}
}
int main()
{
try
{
vector<int>number; //建立向量来存储文件中的整数
cout << "Please enter input file name: "; //读取文件
string name;
cin >> name;
ifstream ist(name.c_str());
if (!ist)throw file_error{}; //若文件无法正常打开，抛出异常
int x;
while (true)
{
ist >> x;
number.push_back(x);
if (ist.bad())throw serious_error{}; //对输入状态进行处理
if (ist.eof())break;
if (ist.fail())throw input_error{};
}
int sum=0;
for (int i = 0; i < number.size(); i++)
{
sum += number[i];
}
cout << "总和为:" << sum << endl;
getchar();
getchar();
getchar();
}
catch (file_error) //捕获异常并处理
{
cout << "无法打开文件" << endl;
getchar();
getchar();
getchar();
return 0;
}
catch (serious_error)
{
cout << "something is wrong" << endl;
getchar();
getchar();
getchar();
return 0;
}
catch (input_error)
{
cout << "您的输入有误，无法完成求和" << endl;
getchar();
getchar();
getchar();
return 0;
}
}
Decoder::Sentence* Decoder::parseLine(Lexicon* lex, const std::string& line){
istringstream ist(line);
std::string token;
Sentence* sent=new Sentence;
while ( ist >> token){
sent->push_back(lex->getWord_or_add(token).wordId());
}
return sent;
}
void CoreData::clearStats()
{
QMapIterator<QString, SignStats *> ist(statsReports);
while (ist.hasNext()) {
ist.next();
SignStats * stats = ist.value();
delete stats;
stats = 0;
}
statsReports.clear();
}
vector<int> read_file(const string& filename)
{
int num;
vector<int> k;
ifstream ist(filename.c_str());
if (!ist) error("Don`t read this filename:",filename);
while (ist >> num) {
k.push_back(num);
if (ist.eof()) break;
}
return k;
}
/*
* returns a known method among HTTP_METH_* or HTTP_METH_OTHER for all unknown
* ones.
*/
enum http_meth_t find_http_meth(const char *str, const int len)
{
const struct ist m = ist2(str, len);
if (isteq(m, ist("GET"))) return HTTP_METH_GET;
else if (isteq(m, ist("HEAD"))) return HTTP_METH_HEAD;
else if (isteq(m, ist("POST"))) return HTTP_METH_POST;
else if (isteq(m, ist("CONNECT"))) return HTTP_METH_CONNECT;
else if (isteq(m, ist("PUT"))) return HTTP_METH_PUT;
else if (isteq(m, ist("OPTIONS"))) return HTTP_METH_OPTIONS;
else if (isteq(m, ist("DELETE"))) return HTTP_METH_DELETE;
else if (isteq(m, ist("TRACE"))) return HTTP_METH_TRACE;
else return HTTP_METH_OTHER;
}
std::string FileReader::getFieldAsString(const int n) {
failed = false;
std::istringstream ist(line);
this->skip_fields(ist, n-1);
std::string rval;
ist >> rval;
if (ist.fail()) {
failed = true;
return std::string();
}
else
return rval;
}
double FileReader::getFieldAsDouble(const int n) {
failed = false;
std::istringstream ist(line);
this->skip_fields(ist, n-1);
double rval;
ist >> rval;
if (ist.fail()) {
failed = true;
return 0.0;
}
else
return rval;
}
RC ComponentTypeDataFile::ParseLine(const wstring &line)
{
RC rc;
wistringstream ist(line);
wstring dllFileName;
ist >> dllFileName;
// FIXME: When release?
HINSTANCE componentDllHandle = LoadLibrary(dllFileName.c_str());
if (!componentDllHandle)
{
Utility::PromptLastErrorMessage();
return RC::PLATFORM_LOADDLL_ERROR;
}
Component::RegisterInterfaceTypeFunc registerInterfaceTypeFunc =
(Component::RegisterInterfaceTypeFunc)GetProcAddress(
(HMODULE)componentDllHandle,
Component::RegisterInterfaceTypeFuncName);
if (registerInterfaceTypeFunc)
{
registerInterfaceTypeFunc(m_InterfaceTypeMap);
}
Component::RegisterComponentTypeFunc registerComponentTypeFunc =
(Component::RegisterComponentTypeFunc)GetProcAddress(
(HMODULE)componentDllHandle,
Component::RegisterComponentTypeFuncName);
if (registerComponentTypeFunc)
{
registerComponentTypeFunc(m_ComponentTypeMap, componentDllHandle);
}
Component::SetPlatformServiceFunc setPlatformServiceFunc =
(Component::SetPlatformServiceFunc)GetProcAddress(
(HMODULE)componentDllHandle,
Component::SetPlatformServiceFuncName);
if (setPlatformServiceFunc)
{
setPlatformServiceFunc(m_PlatformService);
}
return rc;
}
// is the filename readable ?
bool SettingLoader::isReadable(const tstringi &i_filename,
int i_debugLevel) const
{
if (i_filename.empty())
return false;
#ifdef UNICODE
tifstream ist(to_string(i_filename).c_str());
#else
tifstream ist(i_filename.c_str());
#endif
if (ist.good()) {
if (m_log && m_soLog) {
Acquire a(m_soLog, 0);
*m_log << _T(" loading: ") << i_filename << std::endl;
}
return true;
} else {
if (m_log && m_soLog) {
Acquire a(m_soLog, i_debugLevel);
*m_log << _T("not found: ") << i_filename << std::endl;
}
return false;
}
}
T getField(const int n, bool &failed) {
failed = false;
std::istringstream ist(line);
this->skip_fields(ist, n-1);
T rval;
ist >> rval;
if (ist.fail()) {
failed = true;
std::cout << "Problem reading file" << std::endl;
return rval;
}
else
return rval;
};
//********************************************************************************
float FileReader::getFieldAsFloat(const int n)
{
m_failed = false;
std::istringstream ist(m_line);
this->skip_fields(ist, n-1);
float rval;
ist >> rval;
if ( ist.fail() )
{
m_failed = true;
return 0.0;
}
else
return rval;
}
std::size_t readFromIstream(std::size_t nrows, std::size_t ncols)
{
BenchmarkInputBuffer buffer(nrows,ncols);
{
std::istream ist(&buffer);
int a;
int hash = 0;
std::size_t counter = 0;
while(ist >> a)
{
hash+=a;
counter++;
}
return counter;
}
}
void Decoder::readTable(const char filename[], double prune_threshold, unsigned int prune_count){
//==================Einlesen der Phrasentabelle============================
PTree< pair <unsigned int, double> > pruningTree; //speichert für jede Übersetzung die Anzahl der eingelesenen Übersetzungen und die beste Übersetzung
pair <unsigned int, double> pruningStart; //die Startkombi für den PruningTree
pruningStart.first=0;
pruningStart.second=(1./0.);
igzstream in(filename);
std::string line,token;
while(getline(in,line)){
std::stringstream ist(line);
double relfreq_f, relfreq_e, source_to_target, target_to_source, unigram_sprachmodell;
unsigned int singlecf, singlece;
vector<uint> ephrase, fphrase;
//Ausgabe: relfreq_f relfreq_e # quellphrase # zielphrase # singlecf singlece # source_to_target target_to_source # unigram-sprachmodell
ist >> relfreq_f >> relfreq_e >>token; // token für "#"
while(ist>>token && token != "#"){
fphrase.push_back(flex->getWord_or_add(token).wordId());
}
while(ist>>token && token != "#"){
ephrase.push_back(elex->getWord_or_add(token).wordId());
}
ist >> singlecf >> singlece >> token >> source_to_target >> target_to_source >> token >> unigram_sprachmodell;
Cost kosten=Cost();
kosten.calc(relfreq_f, relfreq_e, fphrase, ephrase, singlecf, singlece, source_to_target, target_to_source, unigram_sprachmodell);
double kosten_insgesamt=kosten.cost();
pair< unsigned int, double>* pruning_infos=&pruningTree.traverse(fphrase,true,pruningStart)->c;
if (kosten_insgesamt > pruning_infos->second+prune_threshold || pruning_infos->first >prune_count) continue; //pruning ergibt, wir wollen es nicht in den Ptree mitaufnehmen
//if (kosten_insgesamt< pruning_infos->second) pruning_infos->second=kosten_insgesamt; _jetzt irrelevant, da ich von einer geordneten eingabe ausgehe
pruning_infos->first++;
schwarz->traverse(fphrase,true)->c.traverse(ephrase,true,Cost(1./0.))->c = kosten;
}
//cerr << " schwarz erstellt" << endl;
}
// loads geometry from STL file
DLL_HEADER Ng_STL_Geometry * Ng_STL_LoadGeometry (const char * filename, int binary)
{
int i;
STLGeometry geom;
STLGeometry* geo;
ifstream ist(filename);
if (binary)
{
geo = geom.LoadBinary(ist);
}
else
{
geo = geom.Load(ist);
}
readtrias.SetSize(0);
readedges.SetSize(0);
Point3d p;
Vec3d normal;
double p1[3];
double p2[3];
double p3[3];
double n[3];
Ng_STL_Geometry * geo2 = Ng_STL_NewGeometry();
for (i = 1; i <= geo->GetNT(); i++)
{
const STLTriangle& t = geo->GetTriangle(i);
p = geo->GetPoint(t.PNum(1));
p1[0] = p.X(); p1[1] = p.Y(); p1[2] = p.Z();
p = geo->GetPoint(t.PNum(2));
p2[0] = p.X(); p2[1] = p.Y(); p2[2] = p.Z();
p = geo->GetPoint(t.PNum(3));
p3[0] = p.X(); p3[1] = p.Y(); p3[2] = p.Z();
normal = t.Normal();
n[0] = normal.X(); n[1] = normal.Y(); n[2] = normal.Z();
Ng_STL_AddTriangle(geo2, p1, p2, p3, n);
}
return geo2;
}