1 files changed, 0 insertions, 98 deletions
diff --git a/decoder/sparse_vector.cc b/decoder/sparse_vector.cc
deleted file mode 100644
index 4035b9ef..00000000
--- a/decoder/sparse_vector.cc
+++ /dev/null
@@ -1,98 +0,0 @@
-#include "sparse_vector.h"
-
-#include <iostream>
-#include <cstring>
-
-#include "hg_io.h"
-
-using namespace std;
-
-namespace B64 {
-
-void Encode(double objective, const SparseVector<double>& v, ostream* out) {
-  const int num_feats = v.num_active();
-  size_t tot_size = 0;
-  const size_t off_objective = tot_size;
-  tot_size += sizeof(double);                   // objective
-  const size_t off_num_feats = tot_size;
-  tot_size += sizeof(int);                      // num_feats
-  const size_t off_data = tot_size;
-  tot_size += sizeof(unsigned char) * num_feats; // lengths of feature names;
-  typedef SparseVector<double>::const_iterator const_iterator;
-  for (const_iterator it = v.begin(); it != v.end(); ++it)
-    tot_size += FD::Convert(it->first).size();   // feature names;
-  tot_size += sizeof(double) * num_feats;        // gradient
-  const size_t off_magic = tot_size;
-  tot_size += 4;                                 // magic
-
-  // size_t b64_size = tot_size * 4 / 3;
-  // cerr << "Sparse vector binary size: " << tot_size << "  (b64 size=" << b64_size << ")\n";
-  char* data = new char[tot_size];
-  *reinterpret_cast<double*>(&data[off_objective]) = objective;
-  *reinterpret_cast<int*>(&data[off_num_feats]) = num_feats;
-  char* cur = &data[off_data];
-  assert(cur - data == off_data);
-  for (const_iterator it = v.begin(); it != v.end(); ++it) {
-    const string& fname = FD::Convert(it->first);
-    *cur++ = static_cast<char>(fname.size());   // name len
-    memcpy(cur, &fname[0], fname.size());
-    cur += fname.size();
-    *reinterpret_cast<double*>(cur) = it->second;
-    cur += sizeof(double);
-  }
-  assert(cur - data == off_magic);
-  *reinterpret_cast<unsigned int*>(cur) = 0xBAABABBAu;
-  cur += sizeof(unsigned int);
-  assert(cur - data == tot_size);
-  b64encode(data, tot_size, out);
-  delete[] data;
-}
-
-bool Decode(double* objective, SparseVector<double>* v, const char* in, size_t size) {
-  v->clear();
-  if (size % 4 != 0) {
-    cerr << "B64 error - line % 4 != 0\n";
-    return false;
-  }
-  const size_t decoded_size = size * 3 / 4 - sizeof(unsigned int);
-  const size_t buf_size = decoded_size + sizeof(unsigned int);
-  if (decoded_size < 6) { cerr << "SparseVector decoding error: too short!\n"; return false; }
-  char* data = new char[buf_size];
-  if (!b64decode(reinterpret_cast<const unsigned char*>(in), size, data, buf_size)) {
-    delete[] data;
-    return false;
-  }
-  size_t cur = 0;
-  *objective = *reinterpret_cast<double*>(data);
-  cur += sizeof(double);
-  const int num_feats = *reinterpret_cast<int*>(&data[cur]);
-  cur += sizeof(int);
-  int fc = 0;
-  while(fc < num_feats && cur < decoded_size) {
-    ++fc;
-    const int fname_len = data[cur++];
-    assert(fname_len > 0);
-    assert(fname_len < 256);
-    string fname(fname_len, '\0');
-    memcpy(&fname[0], &data[cur], fname_len);
-    cur += fname_len;
-    const double val = *reinterpret_cast<double*>(&data[cur]);
-    cur += sizeof(double);
-    int fid = FD::Convert(fname);
-    v->set_value(fid, val);
-  }
-  if(num_feats != fc) {
-    cerr << "Expected " << num_feats << " but only decoded " << fc << "!\n";
-    delete[] data;
-    return false;
-  }
-  if (*reinterpret_cast<unsigned int*>(&data[cur]) != 0xBAABABBAu) {
-    cerr << "SparseVector decodeding error : magic does not match!\n";
-    delete[] data;
-    return false;
-  }
-  delete[] data;
-  return true;
-}
-
-}