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#ifndef _DTRAIN_NET_H_
#define _DTRAIN_NET_H_
#include "dtrain.h"
namespace dtrain
{
template<typename T>
inline void
vectorAsString(SparseVector<T>& v, ostringstream& os)
{
SparseVector<weight_t>::iterator it = v.begin();
for (; it != v.end(); ++it) {
os << FD::Convert(it->first) << "=" << it->second;
auto peek = it;
if (++peek != v.end())
os << " ";
}
}
template<typename T>
inline void
updateVectorFromString(string& s, SparseVector<T>& v)
{
string buf;
istringstream ss;
while (ss >> buf) {
size_t p = buf.find_last_of("=");
istringstream c(buf.substr(p+1,buf.size()));
weight_t val;
c >> val;
v[FD::Convert(buf.substr(0,p))] = val;
}
}
bool
dtrain_net_init(int argc, char** argv, po::variables_map* conf)
{
po::options_description ini("Configuration File Options");
ini.add_options()
("decoder_conf,C", po::value<string>(), "configuration file for decoder")
("k", po::value<size_t>()->default_value(100), "size of kbest list")
("N", po::value<size_t>()->default_value(4), "N for BLEU approximation")
("margin,m", po::value<weight_t>()->default_value(0.), "margin for margin perceptron");
po::options_description cl("Command Line Options");
cl.add_options()
("conf,c", po::value<string>(), "dtrain configuration file")
("addr,a", po::value<string>(), "address of master");
cl.add(ini);
po::store(parse_command_line(argc, argv, cl), *conf);
if (conf->count("conf")) {
ifstream f((*conf)["conf"].as<string>().c_str());
po::store(po::parse_config_file(f, ini), *conf);
}
po::notify(*conf);
if (!conf->count("decoder_conf")) {
cerr << "Missing decoder configuration. Exiting." << endl;
return false;
}
if (!conf->count("addr")) {
cerr << "No master address given! Exiting." << endl;
return false;
}
return true;
}
} // namespace
#endif
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