remove implicit conversion-to-double operator from LogVal<T> that caused overflow errors, clean up some pf code

1 files changed, 0 insertions, 11 deletions

diff --git a/gi/pf/itg.cc b/gi/pf/itg.cc
index 2c2a86f9..ac3c16a3 100644
--- a/gi/pf/itg.cc
+++ b/gi/pf/itg.cc
@@ -27,17 +27,6 @@ ostream& operator<<(ostream& os, const vector<WordID>& p) {
   return os << ']';
 }
 
-size_t hash_value(const TRule& r) {
-  size_t h = boost::hash_value(r.e_);
-  boost::hash_combine(h, -r.lhs_);
-  boost::hash_combine(h, boost::hash_value(r.f_));
-  return h;
-}
-
-bool operator==(const TRule& a, const TRule& b) {
-  return (a.lhs_ == b.lhs_ && a.e_ == b.e_ && a.f_ == b.f_);
-}
-
 double log_poisson(unsigned x, const double& lambda) {
   assert(lambda > 0.0);
   return log(lambda) * x - lgamma(x + 1) - lambda;