1 files changed, 0 insertions, 61 deletions
diff --git a/src/lattice.cc b/src/lattice.cc
deleted file mode 100644
index 56bc9551..00000000
--- a/src/lattice.cc
+++ /dev/null
@@ -1,61 +0,0 @@
-#include "lattice.h"
-
-#include "tdict.h"
-#include "hg_io.h"
-
-using namespace std;
-
-static const int kUNREACHABLE = 99999999;
-
-void Lattice::ComputeDistances() {
-  const int n = this->size() + 1;
-  dist_.resize(n, n, kUNREACHABLE);
-  for (int i = 0; i < this->size(); ++i) {
-    const vector<LatticeArc>& alts = (*this)[i];
-    for (int j = 0; j < alts.size(); ++j)
-      dist_(i, i + alts[j].dist2next) = 1;
-  }
-  for (int k = 0; k < n; ++k) {
-    for (int i = 0; i < n; ++i) {
-      for (int j = 0; j < n; ++j) {
-        const int dp = dist_(i,k) + dist_(k,j);
-        if (dist_(i,j) > dp)
-          dist_(i,j) = dp;
-      }
-    }
-  }
-
-  for (int i = 0; i < n; ++i) {
-    int latest = kUNREACHABLE;
-    for (int j = n-1; j >= 0; --j) {
-      const int c = dist_(i,j);
-      if (c < kUNREACHABLE)
-        latest = c;
-      else
-        dist_(i,j) = latest;
-    }
-  }
-  // cerr << dist_ << endl;
-}
-
-bool LatticeTools::LooksLikePLF(const string &line) {
-  return (line.size() > 5) && (line.substr(0,4) == "((('");
-}
-
-void LatticeTools::ConvertTextToLattice(const string& text, Lattice* pl) {
-  Lattice& l = *pl;
-  vector<WordID> ids;
-  TD::ConvertSentence(text, &ids);
-  l.resize(ids.size());
-  for (int i = 0; i < l.size(); ++i)
-    l[i].push_back(LatticeArc(ids[i], 0.0, 1));
-}
-
-void LatticeTools::ConvertTextOrPLF(const string& text_or_plf, Lattice* pl) {
-  if (LooksLikePLF(text_or_plf))
-    HypergraphIO::PLFtoLattice(text_or_plf, pl);
-  else
-    ConvertTextToLattice(text_or_plf, pl);
-  pl->ComputeDistances();
-}
-