summaryrefslogtreecommitdiff
path: root/training/mr_reduce_to_weights.cc
diff options
context:
space:
mode:
Diffstat (limited to 'training/mr_reduce_to_weights.cc')
-rw-r--r--training/mr_reduce_to_weights.cc109
1 files changed, 0 insertions, 109 deletions
diff --git a/training/mr_reduce_to_weights.cc b/training/mr_reduce_to_weights.cc
deleted file mode 100644
index 16b47720..00000000
--- a/training/mr_reduce_to_weights.cc
+++ /dev/null
@@ -1,109 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <vector>
-#include <cassert>
-
-#include <boost/program_options.hpp>
-#include <boost/program_options/variables_map.hpp>
-
-#include "filelib.h"
-#include "fdict.h"
-#include "weights.h"
-#include "sparse_vector.h"
-
-using namespace std;
-namespace po = boost::program_options;
-
-void InitCommandLine(int argc, char** argv, po::variables_map* conf) {
- po::options_description opts("Configuration options");
- opts.add_options()
- ("input_format,f",po::value<string>()->default_value("b64"),"Encoding of the input (b64 or text)")
- ("input,i",po::value<string>()->default_value("-"),"Read file from")
- ("output,o",po::value<string>()->default_value("-"),"Write weights to");
- po::options_description clo("Command line options");
- clo.add_options()
- ("config", po::value<string>(), "Configuration file")
- ("help,h", "Print this help message and exit");
- po::options_description dconfig_options, dcmdline_options;
- dconfig_options.add(opts);
- dcmdline_options.add(opts).add(clo);
-
- po::store(parse_command_line(argc, argv, dcmdline_options), *conf);
- if (conf->count("config")) {
- ifstream config((*conf)["config"].as<string>().c_str());
- po::store(po::parse_config_file(config, dconfig_options), *conf);
- }
- po::notify(*conf);
-
- if (conf->count("help")) {
- cerr << dcmdline_options << endl;
- exit(1);
- }
-}
-
-void WriteWeights(const SparseVector<double>& weights, ostream* out) {
- for (SparseVector<double>::const_iterator it = weights.begin();
- it != weights.end(); ++it) {
- (*out) << FD::Convert(it->first) << " " << it->second << endl;
- }
-}
-
-int main(int argc, char** argv) {
- po::variables_map conf;
- InitCommandLine(argc, argv, &conf);
-
- const bool use_b64 = conf["input_format"].as<string>() == "b64";
-
- const string s_obj = "**OBJ**";
- // E-step
- ReadFile rf(conf["input"].as<string>());
- istream* in = rf.stream();
- assert(*in);
- WriteFile wf(conf["output"].as<string>());
- ostream* out = wf.stream();
- out->precision(17);
- while(*in) {
- string line;
- getline(*in, line);
- if (line.empty()) continue;
- int feat;
- double val;
- size_t i = line.find("\t");
- assert(i != string::npos);
- ++i;
- if (use_b64) {
- SparseVector<double> g;
- double obj;
- if (!B64::Decode(&obj, &g, &line[i], line.size() - i)) {
- cerr << "B64 decoder returned error, skipping!\n";
- continue;
- }
- WriteWeights(g, out);
- } else { // text encoding - your counts will not be accurate!
- SparseVector<double> weights;
- while (i < line.size()) {
- size_t start = i;
- while (line[i] != '=' && i < line.size()) ++i;
- if (i == line.size()) { cerr << "FORMAT ERROR\n"; break; }
- string fname = line.substr(start, i - start);
- if (fname == s_obj) {
- feat = -1;
- } else {
- feat = FD::Convert(line.substr(start, i - start));
- }
- ++i;
- start = i;
- while (line[i] != ';' && i < line.size()) ++i;
- if (i - start == 0) continue;
- val = atof(line.substr(start, i - start).c_str());
- ++i;
- if (feat != -1) {
- weights.set_value(feat, val);
- }
- }
- WriteWeights(weights, out);
- }
- }
-
- return 0;
-}